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1 heat-affected area
Англо-русский словарь промышленной и научной лексики > heat-affected area
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2 heat-affected area
Англо-русский словарь технических терминов > heat-affected area
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3 heat-affected area
Сварка: зона термического влияния -
4 heat-affected area
Sakhalin energy glossary: HAAУниверсальный русско-английский словарь > heat-affected area
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5 heat affected area
Англо-русский словарь по сварочному производству > heat affected area
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6 heat-affected zone
зона термического влияния (напр., околошовная зона в электросварных трубах); см. также affected area; heat-affected areaАнгло-русский словарь промышленной и научной лексики > heat-affected zone
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7 affected area
зона термического влияния (напр., околошовная зона сварных труб); см. также heat-affected areaАнгло-русский словарь промышленной и научной лексики > affected area
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8 area
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- affected area
- contact area
- electrode-tip area
- fusion area
- heat affected area
- throat area
- tip area
- weld area -
9 area
1) площадь; пространство3) поверхность4) (производственный) участок; помещение; площадка5) рабочая ячейка ( склада)•equal in area — равновеликий;area of base — площадь основания, площадь подошвы фундаментаarea of bearing — 1. площадь опоры 2. строит. площадка опиранияarea of contact — площадь поверхности контактаarea of diagram — площадь эпюры; площадь графикаarea of fracture — 1. поверхность излома 2. площадь поперечного сечения в месте разрушенияarea of occurrence — возд. район происшествияarea of water section — гидр. площадь живого сечения потокаarea of well influence — зона влияния колодца или скважины-
absorption area
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active area
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actual contact area
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actuating area
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actuation probability area
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addressable area
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adjustment control area
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advisory area
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air intake hazard area
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aircraft parking area
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airflow separation area
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airport construction area
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airport prohibited area
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airport service area
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air-route area
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alighting area
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alloy storage area
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annulus area
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antenna effective area
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antenna area
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antinode area
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aperture area
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approach area
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ash-disposal area
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auditory area
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backwater area
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bare area
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base area
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bearing surface area
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binding area
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blade area
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blade-exit area
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blind area
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blind drainage area
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boarding area
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bolted area
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bonding area
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bond area
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bore area
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bubble-melt surface area
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buffer area
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building area
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built-up area
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burning area
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catalyst surface area
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catchment area
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caved area
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central equipment area
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centralized telecine area
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centralized traffic area
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centralized video tape area
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charge-makeup area
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charging area
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chip area
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choke-tube area
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circling approach area
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clean processing area
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clearance area
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climb-out area
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clinch area
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coal area
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coherence area
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cold area
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commanded area
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common area
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compression area
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concrete area
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cone effect area
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congested area
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connector area
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conservation area
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constant area
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contact area
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contact spot area
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contaminated area
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contamination control area
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contiguous area
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contour area of contact
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control area
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controlled access area
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cooling area
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corrosion area
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coverage area
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crimp area
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critical area
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cross-sectional area
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cross-section area
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cutting area
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cylinder annular area
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dangerous area
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data-rich area
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data-sparse area
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data-void area
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decontamination area
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demixing area
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design wing area
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developed area
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developed blade area
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development area
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die attach area
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diked area
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direct transit area
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discharge area
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display area
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disposal area
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dot area
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downstream area
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drainage area
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drainless area
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dry area
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dynamic area
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echoing area
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echo area
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effective area
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effective braking area
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effective cross-sectional area
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effective cross-section area
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effective screening area
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effects area
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electrical contact area
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electroded area
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elemental area
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enclosed working area
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end safety area
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engineering area
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environmentally fragile area
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exchange area
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exclusion area
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exhaust area
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expanded blade area
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expanded area
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exposure area
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face area
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fan blast area
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felling area
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fenced-off area
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fetch area
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fill area
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film-editing area
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filter effective area
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filter open area
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filtering area
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finished-products storage area
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fixed area
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flame area
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flooded area
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flood-free area
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flooding area
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floor area
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flow area
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focus area
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forbidden area
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free-surface area
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fringe area
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functional area
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furnace area
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fusing area
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fusion area
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gases shear area
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gasket surface area
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gassy area
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gathering area
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gob area
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graticule area
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gray-scale picture area
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gross cross-sectional area
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gross cross-section area
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gross irrigable area
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ground contact area
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gutter area
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hard-core area
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hard-to-reach area
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hearth area
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heat dissipation area
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heat-affected area
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heating area
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heat-transfer area
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high-activity area
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high-beat area
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high-radiation area
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holding area
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hot area
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housing area
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illuminated area
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image area
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impact area
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impression area
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inactive area
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ingot-stripping area
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input area
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instantaneous area of flame front
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instruction area
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intended landing area
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interfacial area
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interference area
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interlocking area
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inundated area
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junction area
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knuckle area
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land area
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landing area
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lateral area
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lift irrigation area
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lift-off area
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link overlapped area
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living area
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living floor area
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load-and-unload area
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load-carrying area
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loading area
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loadout area
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localized areas of wear
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low-radiation area
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makeup area
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maneuvering area
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man-impacted area
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manned area
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manual setting-up area
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melting area
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mesa area
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metropolitan area
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mining area
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mirror area
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mold conditioning area
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mold opening area
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moment area
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movement area
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mush area
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natural area
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net cross-sectional area
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net cross-section area
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neutron migration area
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nominal contact area
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noncontact area
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nonimage area
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nonmoving area
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nonoccupied area
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nonprinting area
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nonstorage area
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nonutilizable area
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normally occupied area
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nose area
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nuclear area
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numbering area
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obstructed landing area
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open area
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open flow area
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outgassed area
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output area
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overrun safety area
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pallet area
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patch area
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pattern area
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payable area
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percent shear area
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personnel and utility area
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phosphor area
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photolithographic area
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picture area
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poor-reception area
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port area
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presentation area
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pressing area
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prewarming area
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primary area
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primary service area
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printing area
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production area
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production control area
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programmed operating area
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prohibited area
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projectedblade area
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projected area
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propeller disk area
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protected area
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quality-control area
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quality area
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quench area
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quiet area
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radar area
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radiation-control area
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real area of contact
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recording area
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record area
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refining area
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regeneration area
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reinforcing steel area
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rerecording area
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reservoir surface area
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reservoir area
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residential area
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resident area
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residential floor area
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restricted area
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retarder area
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rig deck area
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risk area
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robot area
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roof contact area
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rubbing path area
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rudder area
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run-up area
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rural area
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safe operating area
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safety area
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sail area
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save area
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scanned area
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scrap-consuming area
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scrap-disposal area
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scrap-grading area
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scratch area
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screen area
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sealing area
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seal area
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search area
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secondary area
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sectional area
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section area
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seeking area
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segregated area
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service area
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serviceable area
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setting-up area
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shaded area
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shadow area
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shareable area
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shoe pad transition area
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shooting area
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sintering area
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site area
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skip area
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slag-line area
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slot area
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slowing-down area of neutron
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snow-covered area
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solid area
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sound area
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sound-track area
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special work permit area
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specific floor area
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specific surface area
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spliced area
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spoil area
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stack area
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stockline area
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stool conditioning area
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storage area
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stripped area
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subsidence area
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superheated area
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surface area
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switching area
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takeoff area
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takeoff flight path area
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tape area
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taphole area
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target area
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technical-equipment area
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technical area
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telecine area
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tension area
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terminal area
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terminal control area
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test area
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throat area
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tongs area of pipe
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tool service area
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tool-presetting area
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total area
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total irrigation area
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total tuyere area
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transient area
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turnaround area
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tuyere area
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type area
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unattacked area
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undershoot area
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ungaged area
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uniform area
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unobstructed landing area
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upstream area
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urban area
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usable area
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user area
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valve fillet area
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valve seating face area
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video tape recording area
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video tape area
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viewing area
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vision control area
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vulnerable area
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waste area
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waste-metal area
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waste-storage area
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water catchment area
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waterplane area
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water-surface area
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wear track area
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weld metal area
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well drainage area
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wellhead area
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wetted area
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wildlife area
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window area
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worked-out area
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working area
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yard area
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yoke area -
10 зона
area, band, belt, field, range, region, section, space, zone* * *зо́на ж.1. area; zone; band; range2. ( на магнитной ленте) recordакти́вная зо́на ( ядерного реактора) — fuel [fissile, nuclear, reacting] core, active sectionзо́на аэропо́рта — airport zoneвале́нтная зо́на — valence bandзо́на ви́димости — visibility range, visibility zoneвихрева́я зо́на — eddy zoneзо́на воспламене́ния тепл. — ignition zoneзо́на воспроизво́дства ( ядерного реактора) — breeding blanketвыбросоопа́сная зо́на — outburst zoneзо́на вы́держки ( металла в печи) — soaking [holding] zoneзо́на вытя́гивания текст. — drafting zoneзо́на генера́ции клистро́на — (диапазон напряжений отражателя, при которых клистрон генерирует) voltage mode; ( конструктивная часть отражательного клистрона) resonator gapзо́на горе́ния — combustion zoneзо́на группирова́ния ( в ускорителе частиц) — bunching sectionзо́на де́йствия РЛС по вертика́ли — vertical coverageзо́на де́йствия РЛС по да́льности — range coverageзо́на де́йствия РЛС по углу́ ме́ста — elevation coverageзо́на де́йствия телефо́нной ста́нции — central office [exchange] areaзо́на де́йствия централизацио́нной устано́вки ж.-д. — interlocking limitsдутьева́я зо́на тепл. — pressure zoneзо́на замедле́ния ( ядерного реактора) — slowing-down areaзапо́лненная зо́на элк. — filled bandзапре́тная зо́на — prohibited zoneзапре́тная, возду́шная зо́на — prohibited air area, prohibited air zoneзапрещё́нная зо́на элк. — forbidden zone, forbidden gapзасто́йная зо́на1. (воздуха, жидкости) zone of stagnation, stagnant pocket, stall zone, stall cell2. метал.-об. built-up edge, dig-in zoneзо́на защи́ты эл. — protected zoneзо́на инду́кции — induction zoneзо́на интерфере́нции — interference zoneинфракра́сная, бли́жняя зо́на — near infrared (region)инфракра́сная, да́льняя зо́на — far infrared (region)инфракра́сная, сре́дняя зо́на — middle infrared (region)зо́на испаре́ния — evaporation zoneкоордина́тная зо́на геод. — gore, grid zoneко́рковая зо́на ( слитка) — skin zoneкоро́нная зо́на ( шины или протектора) — crownкраева́я зо́на ( слитка) — rim zoneликвацио́нная зо́на метал. — segregation (range)зо́на максима́льной теплоё́мкости — conversion [transition] zoneмеридиа́нная зо́на — meridional belt, meridional zoneмё́ртвая зо́на1. (регулятора и т. п.) dead band, dead zone2. радио skip zone, zone of silence, skip distanceзо́на молча́ния радио, ак. — skip zone, zone of silence, skip distanceнезапо́лненная зо́на элк. — empty bandзо́на неоднозна́чности вчт. — zone of ambiguityзо́на нечувстви́тельности (регулятора и т. п.) — dead band, dead zoneзо́на нумера́ции тлф. — numbering zoneзо́на обруше́ния го́рных поро́д — rock breakage [caving] zoneзо́на ожида́ния поса́дки ав. — holding zone, holding areaнаходи́ться в зо́не ожида́ния поса́дки — fly a holding patternоколошо́вная зо́на свар. — heat [weld] affected zoneзо́на освещё́нности — illuminated zoneзо́на охлажде́ния пита́теля ( примыкающая к стекловаренной печи) — feeder cooling zoneзо́на перекристаллиза́ции — refined-grain zoneперехо́дная зо́на — conversion [transition] zone; phase-change boiler sectionзо́на плавле́ния свар. — melting zoneподпя́товая зо́на ( в мартеновской печи) — gutter areaзо́на полуте́ни — semi-shadow zoneпризабо́йная зо́на — face zoneзо́на прилипа́ния метал. — stick zoneпри́месная зо́на элк. — extrinsic zone, impurity bandзо́на проводи́мости — conduction bandзо́на прозра́чности фи́льтра — transmission [pass] bandзо́на проплавле́ния свар. — fusion zoneзо́на пропорциона́льности регули́рования — proportional (control) bandзо́на прямо́й ви́димости — line-of-sight rangeравносигна́льная зо́на — equisignal zoneравнофа́зная зо́на — equiphase zoneзо́на размы́тости тлв. — blurring zoneразрешё́нная зо́на элк. — allowed bandзо́на сва́рки — weld area, weld zoneсвобо́дная зо́на элк. — empty bandзо́на скольже́ния ( валков) прок. — zone of slippage, slip zoneзо́на слы́шимости — audibility zoneсу́меречная зо́на — twilight zoneзо́на те́ни — shadow zoneзо́на терми́ческого влия́ния свар. — heat-affected area, heat-affected zoneтоми́льная зо́на ( металла в печи) — soaking [holding] zoneэнергети́ческая зо́на — energy band -
11 зона термического влияния
Русско-английский политехнический словарь > зона термического влияния
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12 зона термического влияния
heat-affected area сварка, heat-affected zoneАнгло-русский словарь технических терминов > зона термического влияния
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13 зона термического влияния
1) Engineering: heat-affected zone, weld-affected zone2) Silicates: affected zone3) Welding: heat-affected area4) Sakhalin energy glossary: heat effected zone (околошовная зона)5) Oil&Gas technology HAZ6) Sakhalin R: heat affected zoneУниверсальный русско-английский словарь > зона термического влияния
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14 зона термического влияния
св. heat-affected area, heat-affected zoneБольшой англо-русский и русско-английский словарь > зона термического влияния
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15 HAA
1) Военный термин: Helicopter Alighting Area, heavy antiaircraft, heavy antiaircraft artillery2) Техника: hearing aid amplifier, heater amplifier assembly3) Сокращение: HAN: a language of the United States, Heavy Anti-Aircraft, Helicopter Association of America, Humanist Association of America4) Физиология: Hepatitis associated antibodies5) Школьное выражение: Hinsdale Adventist Academy6) Транспорт: Height Above Airport7) Воздухоплавание: Height Above Aerodrome8) Фирменный знак: Hospice Association of America9) Глоссарий компании Сахалин Энерджи: heat-affected area10) Макаров: hepatitis-associated antigen11) Общественная организация: Histiocytosis Association Of America12) НАСА: High Altitude Airship -
16 мёртвая зона
1. dead band, dead zoneзона предварительного нагрева, зона подогрева — preheat zone
зона повышенного давления; зона нагнетания — pressure zone
2. радио skip zone, zone of silence, skip distanceпереходная зона — conversion zone; phase-change boiler section
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17 eragin
iz.1. ( astinketa) shaking, jolt2.a. influence, sway; Jean Etxapareren \eragina euskal literaturan the influence of Jean Etxapare in Basque literature; \eragin handiko gizona an influential man; euskarak jasaten duen erdarearen \eragina the influence of {Spanish || French} that Basque {suffers || labours} under; \eraginpeko eremu (Pol.) area of influence; medikuek aspalditik jakin izan dute gure barruko jarrerak eta ongizateak \eragin handia dutela gure gorputzaren osasunean doctors have long known that our mental outlook and well-being affect our physical healthb. ( efektua, emaitza) effect, outcome3.a. impulse ; bihotzaren \eraginez spurred by the heart ; \eraginik gabe eginik ez nothing gets done if no one gets it done; euskaltzaleen \eraginez sortu ziren lehengo ikastolak the setting up of the first Basque-medium schools was spurred on by people who loved Basqueb. ( espirituarena) prompting5. ( sendagaiari d.) effect, effectiveness; sendagai baten \eragin the effectiveness of a medicine io.1.a. ( haurra) active; \eragin izan to be a livewireb. ( heldua) antsy, uneasy; neska \eragin naughty girl2. diligent3.a. ( azkar) prompt, quickb. ( zalu, bizkor) agile, nimble4. ( behartu) forced, coerced5. ( ospetsua) distinguished, celebrated du/ad.1.a. ( eginarazi) to make (sb) do, {have || get} sth done; egizu eta \eragin do it and make sure it's done; arropa berria \eragin nion jostunari I had the tailor make new clothes; amak {arrotzari || zurginari} sehaska \eragin zion mother had the carpenter {make || build} the cradle; traineru berria \eragin dute they've had a new boat builtb. ( sorrarazi) to cause; tabakoak \eragindako gaixotasuna a disease caused by to baccoc. ( aditz elkartuekin) Zurineri barre \\ nigar \eragin zion he made Zurine laugh \\ cry2. ( ibilarazi, erabili)a. to move, drive; haurrari \eragin zion sehaskan she rocked the baby in the cradleb. Tek. to drive, propel; motoreak \eragindako ponpa motor-driven pump; hankei \eragin i. to move one's legs ii. ( pixka bat) to wiggle one's legsc. arraunari \eragin to row, move the oar ; zigorrari \eragin to snap a whipd. ( gorputzatalari d.) besoei \eragin to wave one's arms ; buruari \eragin zion i. ( ezetz esateko) he shook his head ii. ( baietz esateko) he nodded his head ; eskuari \eragin to wave one's hand ; hankei \eragin i. to move one's legs ii. ( pixkat) to wiggle one's legs; buztanari \eragin to wag one's tail3. ( bultzatu)a. to spur, drive; gorrotoak \eraginda, haiek guztiak hil zituzten driven by hatred, they killed them all; zerk \eragin zizun hori esatea? what made you say that?; goseak \eraginik, herritik irten ziren driven by hunger, they left their villageb. ( inork idi, ardi, e.a.) to drive, herd; artzainak artaldeari larrera \eragin zion the shepherd drove the flock to pasture4. ( abiarazi) to activate; alarmari \eragin zion he activated the alarm5. to affect, influence; sukarrak ez zion \eragin the fever didn't affect him; Afrikako beroak ikaragarri \eragin zion the African heat affected him terribly; alkoholak izugarri eragiten dio alcohol affects him terribly6.a. ( zukua, zopa) to stirb. ( jiratu) to turn, turn over; eragiok, mutil, aurreko danbolin horri turn over that chestnut roaster in front of you, my boyc. (irud.) esan eta esan, \eragin\\\eragin eta erabili, azkenean aspertu ziren in talking and taking about it, dwelling on it to no end, they finally grew tired of it7. ( -(r)i abantaila ukan) i-i \eragin to have it over sb | to be ahead of ; askoz eragiten dio he's well ahead of him ; gaitz horrek gaitz guztiei eragiten die that evil goes beyond all evils8. ( e-r egiteko agindu) to commission, order ; soineko berria \eragin du datozen jaietarako she ordered a dress for the upcoming festival9. ( bihurtu) Lit. to turn; zure buruaz ere ez duzu zin eginen, zeren ez baitzara ile bakar baten xuri edo beltx eragiteko you are not to swear by your own head because you cannot turn one hair of it white or black10. ( ekin) to practice; lanbideari \eragin to practise a profession da/ad.1. ( erotu, zoratu) to go mad \eragin jatzu (B) you've gone mad2. ( hezur, e.a.) to dislocate eskua \eragin zaio his hand become dislocated -
18 sensitive
'sensitiv1) ((usually with to) strongly or easily affected (by something): sensitive skin; sensitive to light.) sensible, delicado2) ((usually with about or to) easily hurt or offended: She is very sensitive to criticism.) susceptible3) (having or showing artistic good taste: a sensitive writer; a sensitive performance.) sensible•- sensitiveness
- sensitivity
sensitive adj sensibletr['sensɪtɪv]1 (person - perceptive) sensible (to, a), consciente (to, de)2 (person - touchy) susceptible (to, a), preocupado,-a ( about, por)3 (teeth, paper, instrument, film) sensible (to,-a); (skin) sensible, delicado,-a4 (issue) delicado,-a5 (document) confidencialsensitive ['sɛntsət̬ɪv] adj1) : sensible, delicadosensitive skin: piel sensible2) impressionable: sensible, impresionable3) touchy: susceptibleadj.• impresionable adj.• quisquilloso, -a adj.• sensibilizado, -a adj.• sensible adj.• sensitivo, -a adj.• sentido, -a adj.• susceptible adj.'sensətɪv1)a) ( emotionally responsive) < person> sensible; <performance/account> lleno de sensibilidadto be sensitive TO something: to be sensitive to music tener* sensibilidad para la música; to be sensitive to somebody's needs — ser* or (Chi, Méx tb) estar* muy consciente de las necesidades de alguien
2) ( physically responsive) < skin> sensible, delicado; <teeth/instrument/film> sensible3)a) ( secret) <document/information> confidencialb) ( requiring tact) <topic/issue> delicado['sensɪtɪv]ADJ1) (=emotionally aware, responsive) [person] sensible; [story, novel, film] lleno de sensibilidadto be sensitive to sth — ser sensible a algo, ser consciente de algo
2) (=touchy) [person] susceptibleto be sensitive about sth: young people are very sensitive about their appearance — a los jóvenes les preocupa mucho su aspecto
3) (=delicate) [issue, subject] delicado; [region, area] conflictivothis is politically very sensitive — esto es muy conflictivo or muy delicado desde el punto de vista político
4) (=confidential) [document, report, information] confidencial5) (=easily affected) [skin] delicado, sensible; [teeth] sensible6) (=highly responsive) [instrument] sensible; (Phot) [paper, film] sensible; (Econ) [market] volátilto be sensitive to light/heat — ser sensible a la luz/al calor
* * *['sensətɪv]1)a) ( emotionally responsive) < person> sensible; <performance/account> lleno de sensibilidadto be sensitive TO something: to be sensitive to music tener* sensibilidad para la música; to be sensitive to somebody's needs — ser* or (Chi, Méx tb) estar* muy consciente de las necesidades de alguien
2) ( physically responsive) < skin> sensible, delicado; <teeth/instrument/film> sensible3)a) ( secret) <document/information> confidencialb) ( requiring tact) <topic/issue> delicado -
19 Graham, George
SUBJECT AREA: Horology[br]b. c.1674 Cumberland, Englandd. 16 November 1751 London, England[br]English watch-and clockmaker who invented the cylinder escapement for watches, the first successful dead-beat escapement for clocks and the mercury compensation pendulum.[br]Graham's father died soon after his birth, so he was raised by his brother. In 1688 he was apprenticed to the London clockmaker Henry Aske, and in 1695 he gained his freedom. He was employed as a journeyman by Tompion in 1696 and later married his niece. In 1711 he formed a partnership with Tompion and effectively ran the business in Tompion's declining years; he took over the business after Tompion died in 1713. In addition to his horological interests he also made scientific instruments, specializing in those for astronomical use. As a person, he was well respected and appears to have lived up to the epithet "Honest George Graham". He befriended John Harrison when he first went to London and lent him money to further his researches at a time when they might have conflicted with his own interests.The two common forms of escapement in use in Graham's time, the anchor escapement for clocks and the verge escapement for watches, shared the same weakness: they interfered severely with the free oscillation of the pendulum and the balance, and thus adversely affected the timekeeping. Tompion's two frictional rest escapements, the dead-beat for clocks and the horizontal for watches, had provided a partial solution by eliminating recoil (the momentary reversal of the motion of the timepiece), but they had not been successful in practice. Around 1720 Graham produced his own much improved version of the dead-beat escapement which became a standard feature of regulator clocks, at least in Britain, until its supremacy was challenged at the end of the nineteenth century by the superior accuracy of the Riefler clock. Another feature of the regulator clock owed to Graham was the mercury compensation pendulum, which he invented in 1722 and published four years later. The bob of this pendulum contained mercury, the surface of which rose or fell with changes in temperature, compensating for the concomitant variation in the length of the pendulum rod. Graham devised his mercury pendulum after he had failed to achieve compensation by means of the difference in expansion between various metals. He then turned his attention to improving Tompion's horizontal escapement, and by 1725 the cylinder escapement existed in what was virtually its final form. From the following year he fitted this escapement to all his watches, and it was also used extensively by London makers for their precision watches. It proved to be somewhat lacking in durability, but this problem was overcome later in the century by using a ruby cylinder, notably by Abraham Louis Breguet. It was revived, in a cheaper form, by the Swiss and the French in the nineteenth century and was produced in vast quantities.[br]Principal Honours and DistinctionsFRS 1720. Master of the Clockmakers' Company 1722.BibliographyGraham contributed many papers to the Philosophical Transactions of the Royal Society, in particular "A contrivance to avoid the irregularities in a clock's motion occasion'd by the action of heat and cold upon the rod of the pendulum" (1726) 34:40–4.Further ReadingBritten's Watch \& Clock Maker's Handbook Dictionary and Guide, 1978, rev. Richard Good, 16th edn, London, pp. 81, 84, 232 (for a technical description of the dead-beat and cylinder escapements and the mercury compensation pendulum).A.J.Turner, 1972, "The introduction of the dead-beat escapement: a new document", Antiquarian Horology 8:71.E.A.Battison, 1972, biography, Biographical Dictionary of Science, ed. C.C.Gillespie, Vol. V, New York, 490–2 (contains a résumé of Graham's non-horological activities).DV -
20 Thomson, Sir William, Lord Kelvin
[br]b. 26 June 1824 Belfast, Ireland (now Northern Ireland)d. 17 December 1907 Largs, Scotland[br]Irish physicist and inventor who contributed to submarine telegraphy and instrumentation.[br]After education at Glasgow University and Peterhouse, Cambridge, a period of study in France gave Thomson an interest in experimental work and instrumentation. He became Professor of Natural Philosophy at Glasgow in 1846 and retained the position for the rest of his career, establishing the first teaching laboratory in Britain.Among his many contributions to science and engineering was his concept, introduced in 1848, of an "absolute" zero of temperature. Following on from the work of Joule, his investigations into the nature of heat led to the first successful liquefaction of gases such as hydrogen and helium, and later to the science of low-temperature physics.Cable telegraphy gave an impetus to the scientific measurement of electrical quantities, and for many years Thomson was a member of the British Association Committee formed in 1861 to consider electrical standards and to develop units; these are still in use. Thomson first became Scientific Adviser to the Atlantic Telegraph Company in 1857, sailing on the Agamemnon and Great Eastern during the cable-laying expeditions. He invented a mirror galvanometer and more importantly the siphon recorder, which, used as a very sensitive telegraph receiver, provided a permanent record of signals. He also laid down the design parameters of long submarine cables and discovered that the conductivity of copper was greatly affected by its purity. A major part of the success of the Atlantic cable in 1866 was due to Thomson, who received a knighthood for his contribution.Other instruments he designed included a quadrant electrostatic voltmeter to measure high voltages, and his "multi-cellular" instrument for low voltages. They could be used on alternating or direct current and were free from temperature errors. His balances for precision current measurement were widely used in standardizing laboratories.Thomson was a prolific writer of scientific papers on subjects across the whole spectrum of physics; between 1855 and 1866 he published some 110 papers, with a total during his life of over 600. In 1892 he was raised to the peerage as Baron Kelvin of Largs. By the time of his death he was looked upon as the "father" of British physics, but despite his outstanding achievements his later years were spent resisting change and progress.[br]Principal Honours and DistinctionsKnighted 1866. Created Lord Kelvin of Largs 1892. FRS 1851. President, Royal Society 1890–4. An original member of the Order of Merit 1902. President, Society of Telegraph Engineers 1874. President, Institution of Electrical Engineers 1889 and 1907. Royal Society Royal Medal 1856, Copley Medal 1883.Bibliography1872, Reprints of Papers on Electrostatics and Magnetism, London; 1911, Mathematical and Physical Papers, 6 vols, Cambridge (collections of Thomson's papers).Further ReadingSilvanus P.Thompson, 1910, The Life of William Thomson, Baron Kelvin of Largs, 2 vols, London (an uncritical biography).D.B.Wilson, 1987, Kelvin and Stokes: A Comparative Study in Victorian Physics, Bristol (provides a present-day commentary on all aspects of Thomson's work).J.G.Crowther, 1962, British Scientists of the 19th Century, London, pp. 199–257 (a short critical biography).GWBiographical history of technology > Thomson, Sir William, Lord Kelvin
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