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1 ammonia still
Большой англо-русский и русско-английский словарь > ammonia still
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2 ammonia still
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3 ammonia still
1) Техника: аммиачная колонна (в коксохимическом производстве)2) Нефть: аммиачная колонна -
4 ammonia still
< proc> ■ Ammoniakabtreiber m -
5 ammonia still
Англо-русский словарь нефтегазовой промышленности > ammonia still
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6 ammonia still
kolumna amoniakalna -
7 ammonia still
хим. -
8 still
still перегонный куб, дистиллятор; перегонять, дистиллироватьammonia still аммиачная колоннаEnglish-Russian dictionary of biology and biotechnology > still
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9 ammonia
1) аммиак
2) аммиачный
– ammonia condenser
– ammonia gas
– ammonia gas maser
– ammonia nitrogen
– ammonia still
– ammonia water
– anhydrous ammonia
– aqua ammonia
– liquid ammonia
ammonia refrigerating machine — аммиачная холодильная машина
ammonia solution applicator — машина для внесения аммиакатов
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10 still
1) спокойный
2) стоп-кадр
3) тихий
4) до сих пор
5) все еще
6) однако
7) еще
8) неподвижный
9) перегонять
10) перегнать
11) кубовый
12) погон
13) дистиллятор
14) котел
– ammonia still
– continuous still
– pipe still
– rectifying still
– stand still
– still air
– still air freezing
– still hologram
– two-furnace still -
11 still
1) перегонный аппарат, дистиллятор || перегонять, дистиллировать3) фотоснимок4) стоп-кадр6) заставка8) неподвижный, спокойный9) тихий• -
12 аммиачная колонна
Большой англо-русский и русско-английский словарь > аммиачная колонна
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13 Solvay, Ernest
SUBJECT AREA: Chemical technology[br]b. 16 April 1838 Rebcq, near Brussels, Belgiumd. 26 May 1922 Brussels, Belgium[br]Belgian manufacturer, first successfully to produce soda by the ammonia-soda process.[br]From the beginning of the nineteenth century, soda had been manufactured by the Leblanc process. Important though it was, serious drawbacks had shown themselves early on. The worst was the noxious alkali waste left after the extraction of the soda, in such large quantities that two tons of waste were produced for one of soda. The first attempt to work out an alternative process was by the French scientist and engineer A.J. Fresnel, but it failed. The process consisted essentially of passing carbon dioxide into a solution of ammonia in brine (sodium chloride). The product, sodium bicarbonate, could easily be converted to soda by heating. For over half a century, practical difficulties, principally the volatility of the ammonia, dogged the process and a viable solution eluded successive chemists, including James Muspratt and William Deacon.Finally, Ernest Solvay and his brother Alfred tackled the problem, and in 1861 they filed a Belgian patent for improvements, notably the introduction of a carbonating tower, which made the process continuous. The first works were set up at Couillet in 1863, but four further years of hard work were still needed to overcome teething troubles. Once the Solvay ammonia-soda process was working well, it made rapid strides. It was introduced into Britain in 1872 under licence to Ludwig Mond and four years later Solvay opened the large Dombaske works in France.Solvay was a member of the Belgian Senate and a Minister of State. International institutes of physics, chemistry and sociology are named after him.[br]Further ReadingP.Heger and C.Lefebvre, 1919, La vie d'Ernest Solvay.Obituary, 1922, Ind. Eng. Chem.: 1,156.LRD -
14 Bergius, Friedrich Carl Rudolf
[br]b. 11 October 1884 Goldschmieden, near Breslau, Germanyd. 31 March Buenos Aires, Argentina[br][br]After studying chemistry in Breslau and Leipzig and assisting inter alia at the institute of Fritz Haber in Karlsruhe on the catalysis of ammonia under high pressure, in 1909 he went to Hannover to pursue his idea of turning coal into liquid hydrocarbon under high hydrogen pressure (200 atm) and high temperatures (470° C). As experiments with high pressure in chemical processes were still in their initial stages and the Technical University could not support him sufficiently, he set up a private laboratory to develop the methods and to construct the equipment himself. Four years later, in 1913, his process for producing liquid or organic compounds from coal was patented.The economic aspects of this process were apparent as the demand for fuels and lubricants increased more rapidly than the production of oil, and Bergius's process became even more important after the outbreak of the First World War. The Th. Goldschmidt company of Essen contracted him and tried large-scale production near Mannheim in 1914, but production failed because of the lack of capital and experience to operate with high pressure on an industrial level. Both capital and experience were provided jointly by the BASF company, which produced ammonia at Merseburg, and IG Farben, which took over the Bergius process in 1925, the same year that the synthesis of hydrocarbon had been developed by Fischer-Tropsch. Two years later, at the Leuna works, almost 100,000 tonnes of oil were produced from coal; during the following years, several more hydrogenation plants were to follow, especially in the eastern parts of Germany as well as in the Ruhr area, while the government guaranteed the costs. The Bergius process was extremely important for the supply of fuels to Germany during the Second World War, with the monthly production rate in 1943–4 being more than 700,000 tonnes. However, the plants were mostly destroyed at. the end of the war and were later dismantled.As a consequence of this success Bergius, who had gained an international reputation, went abroad to work as a consultant to several foreign governments. Experiments aiming to reduce the costs of production are still continued in some countries. By 1925, after he had solved all the principles of his process, he had turned to the production of dextrose by hydrolyzing wood with highly concentrated hydrochloric acid.[br]Principal Honours and DistinctionsNobel Prize 1931. Honorary doctorates, Heidelberg, Harvard and Hannover.Bibliography1907, "Über absolute Schwefelsäure als Lösungsmittel", unpublished thesis, Weida. 1913, Die Anwendung hoher Drucke bei chemischen Vorgängen und eine Nachbildungdes Entstehungsprozesses der Steinkohle, Halle. 1913, DRP no. 301, 231 (coal-liquefaction process).1925, "Verflüssigung der Kohle", Zeitschrift des Vereins Deutscher Ingenieure, 69:1313–20, 1359–62.1933, "Chemische Reaktionen unter hohem Druck", Les Prix Nobel en 1931, Stockholm, pp. 1–37.Further ReadingDeutsches Bergbau-Museum, 1985, Friedrich Bergius und die Kohleverflüssigung. Stationen einer Entwicklung, Bochum (gives a comprehensive and illustrated description of the man and the technology).H.Beck, 1982, Friedrich Bergius, ein Erfinderschicksal, Munich: Deutsches Museum (a detailed biographical description).W.Birkendfeld, 1964, Der synthetische Treibstoff 1933–1945. Ein Beitragzur nationalsozialistischen Wirtschafts-und Rüstungspolitik, Göttingen, Berlin and Frankfurt (describes the economic value of synthetic fuels for the Third Reich).WKBiographical history of technology > Bergius, Friedrich Carl Rudolf
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15 Macintosh, Charles
[br]b. 29 December 1766 Glasgow, Scotlandd. 25 July 1843 Dunchattan, near Glasgow, Scotland[br]Scottish inventor of rubberized waterproof clothing.[br]As the son of the well-known and inventive dyer George Macintosh, Charles had an early interest in chemistry. At the age of 19 he gave up his work as a clerk with a Glasgow merchant to manufacture sal ammoniac (ammonium chloride) and developed new processes in dyeing. In 1797 he started the first Scottish alum works, finding the alum in waste shale from coal mines. His first works was at Hurlet, Renfrewshire, and was followed later by others. He then formed a partnership with Charles Tennant, the proprietor of a chemical works at St Rollox, near Glasgow, and sold "lime bleaching liquor" made with chlorine and milk of lime from their bleach works at Darnley. A year later the use of dry lime to make bleaching powder, a process worked out by Macintosh, was patented. Macintosh remained associated with Tennant's St Rollox chemical works until 1814. During this time, in 1809, he had set up a yeast factory, but it failed because of opposition from the London brewers.There was a steady demand for the ammonia that gas works produced, but the tar was often looked upon as an inconvenient waste product. Macintosh bought all the ammonia and tar that the Glasgow works produced, using the ammonia in his establishment to produce cudbear, a dyestuff extracted from various lichens. Cudbear could be used with appropriate mordants to make shades from pink to blue. The tar could be distilled to produce naphtha, which was used as a flare. Macintosh also became interested in ironmaking. In 1825 he took out a patent for converting malleable iron into steel by taking it to white heat in a current of gas with a carbon content, such as coal gas. However, the process was not commercially successful because of the difficulty keeping the furnace gas-tight. In 1828 he assisted J.B. Neilson in bringing hot blast into use in blast furnaces; Neilson assigned Macintosh a share in the patent, which was of dubious benefit as it involved him in the tortuous litigation that surrounded the patent until 1843.In June 1823, as a result of experiments into the possible uses of naphtha obtained as a by-product of the distillation of coal tar, Macintosh patented his process for waterproofing fabric. This comprised dissolving rubber in naphtha and applying the solution to two pieces of cloth which were afterwards pressed together to form an impermeable compound fabric. After an experimental period in Glasgow, Macintosh commenced manufacture in Manchester, where he formed a partnership with H.H.Birley, B.Kirk and R.W.Barton. Birley was a cotton spinner and weaver and was looking for ways to extend the output of his cloth. He was amongst the first to light his mills with gas, so he shared a common interest with Macintosh.New buildings were erected for the production of waterproof cloth in 1824–5, but there were considerable teething troubles with the process, particularly in the spreading of the rubber solution onto the cloth. Peter Ewart helped to install the machinery, including a steam engine supplied by Boulton \& Watt, and the naphtha was supplied from Macintosh's works in Glasgow. It seems that the process was still giving difficulties when Thomas Hancock, the foremost rubber technologist of that time, became involved in 1830 and was made a partner in 1834. By 1836 the waterproof coat was being called a "mackintosh" [sic] and was gaining such popularity that the Manchester business was expanded with additional premises. Macintosh's business was gradually enlarged to include many other kinds of indiarubber products, such as rubber shoes and cushions.[br]Principal Honours and DistinctionsFRS 1823.Further ReadingG.Macintosh, 1847, Memoir of Charles Macintosh, London (the fullest account of Charles Macintosh's life).T.Hancock, 1957, Narrative of the Indiarubber Manufacture, London.H.Schurer, 1953, "The macintosh: the paternity of an invention", Transactions of the Newcomen Society 28:77–87 (an account of the invention of the mackintosh).RLH / LRD -
16 gas
1) газ || выделять газ || газовый; газообразный2) авто проф. сокр. от gasoline топливо; бензин3) отравляющее вещество, ОВ || поражать ОВ4) наполнять газом; насыщать газом; пищ. газировать•gas in place — запасы газа в коллекторе;gas in-situ — газ в пластовых условиях;to boost gas along to its destination — повышать давление газа для доставки его к месту назначения;to sweeten gas — удалять из газа соединения серы;to take off casing-head gas — отбирать нефтяной газ на устье скважины-
absorbent gas
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acid gas
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active gas
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actuation gas
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aerogen gas
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aggressive gas
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air gas
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air-free gas
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alky gas
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all-weather liquefied petroleum gas
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ammonia gas
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ammonia synthesis gas
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anaerobic fuel gas
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anode gas
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artificial gas
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associated gas
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associated-dissolved gas
-
ballast gas
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blast-furnace gas
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blau gas
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blue gas
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bottled gas
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bradenhead gas
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burning gases
-
burnt gas
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butane-enriched water gas
-
butane-propane gas
-
by-product gas
-
calibrating gas
-
cap gas
-
carbureted gas
-
carbureted hydrogen gas
-
carrier gas
-
casinghead gas
-
cathode gas
-
char gas
-
city gas
-
coal gas
-
coke oven gas
-
coke-cooling gas
-
combination gas
-
combustible gas
-
combustion gas
-
compressed gas
-
condensed gas
-
consumer gas
-
contaminant gas
-
conventional gas
-
converted gas
-
converter waste gas
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coolant gas
-
corrosive gas
-
cryogenic gas
-
degenerate gas
-
desuperheat gas
-
dielectric gas
-
diluent gas
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diluted gas
-
dissolved gas
-
diving gas
-
domestic gas
-
doping gas
-
dry gas
-
drying gas
-
dump gas
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dust-laden gas
-
effluent gas
-
electrode gas
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electronic gas
-
electron gas
-
electronegative gas
-
elementary gas
-
end gas
-
enriched gas
-
entrained gas
-
exhaust gas
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explosion gas
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extremely dry gas
-
fat gas
-
filtered flue gas
-
fire gas
-
fission gas
-
fixed gas
-
flare gas
-
flash gas
-
flue gas
-
fluidizing gas
-
fluorocarbon gas
-
foul gas
-
free gas
-
fuel gas
-
fume-laden gas
-
furnace gas
-
gas-lift gas
-
glass-forming gas
-
green gases
-
head-space gas
-
heating gas
-
helium-bearing natural gas
-
high btu gas
-
high gas
-
high-altitude LP gas
-
high-purity gas
-
household fuel gas
-
humid gas
-
hydrocarbon gases
-
ideal gas
-
illuminating gas
-
incoming gas
-
indifferent gas
-
industrial gas
-
inert gas
-
inflammable gas
-
injected gas
-
inleaking gas
-
intergalactic gas
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interplanetary gas
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interstellar gas
-
ionized gas
-
kerosine gas
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kiln gases
-
landfill gas
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lean gas
-
lift gas
-
lighting gas
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liquefied natural gas
-
live gas
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LN gas
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low-boiling gas
-
low-energy coal-derived gas
-
low-thermal-value fuel gas
-
LP gas
-
makeup gas
-
manufactured gas
-
manure gas
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marsh gas
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medium-energy coal-derived gas
-
mine gas
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mixed gas
-
mustard gas
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naphtha gas
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native gas
-
natural gas
-
noble gas
-
nonassociated natural gas
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noncondensable gas
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nonhydrocarbon gases
-
nonstripped petroleum gas
-
noxious gas
-
occluded gas
-
off gas
-
oil gas
-
oil samp gas
-
oil-water gas
-
oil-well gas
-
olefiant gas
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onboard-stored gas
-
paraffin gas
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peat gas
-
perfect gas
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petroleum gas
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pipeline gas
-
pollutant gases
-
poor gas
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power gas
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process gas
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processed gas
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producer gas
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propulsive gas
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protective gas
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purge gas
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radiating gas
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radioactive gas
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radioactive noble gases
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rare gas
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reaction gas
-
reactionless gas
-
reactivation gas
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reactive gas
-
receiver gases
-
recoverable gas
-
recycled gas
-
recycle gas
-
reference gas
-
refinery gas
-
refrigerant gas
-
regeneration gas
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relief gases
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residual gas
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residue gas
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rich gas
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rich petroleum gas
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roaster gas
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roast gas
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rock gas
-
sales gas
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separator gas
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sewer gas
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shocked gas
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sludge gas
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solute gas
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solution gas
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sour gas
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span gas
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spent gas
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stabilizer gas
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stack gas
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steam run gas
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stillage gas
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still gas
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stripped gas
-
suction gas
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sweet gas
-
synthesis gas
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synthetic natural gas
-
synthetic gas
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tail gas
-
tank gas
-
tar gas
-
top gas
-
town gas
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toxic gas
-
trace gases
-
trapped gas
-
trap gas
-
treated gas
-
trip gas
-
unassociated gas
-
underground storage gas
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unstripped gas
-
vapor gases
-
washed gas
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waste gas
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water gas
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wet gas
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working gas
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zero gas -
17 liquor
1) жидкость; раствор2) щёлок, щелочной раствор3) напиток4) сок; сироп; оттёк ( в производстве сахара)•-
acid liquor
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alkali liquor
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ammonia-base liquor
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ammonia-tar liquor
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anodic liquor
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bleach liquor
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boiled-off liquor
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cathodic liquor
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caustic liquor
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cooking liquor
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corn-steep liquor
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decanter liquor
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dyeing liquor
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filter liquor
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finishing liquor
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gas liquor
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leach liquor
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long liquor
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melt liquor
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pickle liquor
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pyroligenous liquor
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still liquor
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sulfite waste liquor
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tan liquor
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washing liquor
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wash liquor -
18 spirit
1. noun2) (mental attitude) Geisteshaltung, diein the right/wrong spirit — mit der richtigen/falschen Einstellung
take something in the spirit in which it is meant — etwas so auffassen, wie es gemeint ist
enter into the spirit of something — innerlich bei einer Sache [beteiligt] sein od. dabei sein
3) (courage) Mut, der4) (vital principle, soul, inner qualities) Geist, derbe with somebody in spirit — in Gedanken od. im Geist[e] bei jemandem sein
the spirit of the age or times — der Zeitgeist
7)high spirits — gehobene Stimmung; gute Laune
2. transitive verbin poor or low spirits — niedergedrückt
spirit away, spirit off — verschwinden lassen
* * *['spirit]1) (a principle or emotion which makes someone act: The spirit of kindness seems to be lacking in the world nowadays.) der Geist2) (a person's mind, will, personality etc thought of as distinct from the body, or as remaining alive eg as a ghost when the body dies: Our great leader may be dead, but his spirit still lives on; ( also adjective) the spirit world; Evil spirits have taken possession of him.) der Geist3) (liveliness; courage: He acted with spirit.) der Elan•- academic.ru/69592/spirited">spirited- spiritedly
- spirits
- spiritual
- spiritually
- spirit level* * *spir·it[ˈspɪrɪt]I. nhis \spirit will be with us always sein Geist wird uns immer begleitento be with sb in \spirit im Geiste bei jdm seinevil \spirit böser Geist3. (the Holy Spirit)▪ the S\spirit der Heilige Geistthat's the \spirit das ist die richtige Einstellungwe acted in a \spirit of co-operation wir handelten im Geiste der Zusammenarbeitthe \spirit of the age der Zeitgeistthe \spirit of brotherhood/confidence/forgiveness der Geist der Brüderlichkeit/des Vertrauens/der Vergebungthe \spirit of Christmas die weihnachtliche Stimmungfighting \spirit Kampfgeist mparty \spirit Partystimmung fteam \spirit Teamgeist mtry to get into the \spirit of things! versuch dich in die Sachen hineinzuversetzen!5. (mood)her \spirits rose as she read the letter sie bekam neuen Mut, als sie den Brief laskeep your \spirits up lass den Mut nicht sinkento be in high/low \spirits in gehobener/gedrückter Stimmung seinto be out of \spirits schlecht gelaunt seinto dash sb's \spirits auf jds Stimmung drückento lift sb's \spirits jds Stimmung hebenbrave/generous \spirit mutige/gute Seelethe moving \spirit of sth die treibende Kraft einer S. gento have a broken \spirit seelisch gebrochen seinto be troubled in \spirit etw auf der Seele lasten habento be young in \spirit geistig jung geblieben seinto perform/sing with \spirit mit Inbrunst spielen/singenwith \spirit voller Enthusiasmus; horse feurigyou did not take my comment in the \spirit in which it was meant du hast meine Bemerkung nicht so aufgenommen, wie sie gemeint warthe \spirit of the law der Geist [o Sinn] des Gesetzes▪ \spirits pl Spirituosen pl\spirits of turpentine Terpentinöl nt\spirit of ammonia Ammoniumhydroxid nt, Salmiakgeist m\spirit of melissa Melissengeist m13.▶ the \spirit is willing but the flesh is weak ( saying) der Geist ist willig, aber das Fleisch ist schwach provIII. vt▪ to \spirit sb/sth away [or off] jdn/etw verschwinden lassen [o wegzaubern]* * *['spIrɪt]1. n1) (= soul) Geist mthe spirit is willing (but the flesh is weak) — der Geist ist willig(, aber das Fleisch ist schwach)
2) (= supernatural being, ghost) Geist mto break sb's spirit —
5) (= mental attitude of country, group of people, doctrine, reform etc) Geist m; (= mood) Stimmung fa spirit of optimism/rebellion — eine optimistische/rebellische Stimmung
to do sth in a spirit of optimism/humility — etw voll Optimismus/voller Demut tun
in a spirit of forgiveness/revenge — aus einer vergebenden/rachsüchtigen Stimmung heraus
he has the right spirit — er hat die richtige Einstellung
to enter into the spirit of sth —
that's the spirit! (inf) — so ists recht! (inf)
6) no pl (= intention) Geist mthe spirit of the law — der Geist or Sinn des Gesetzes
to take sth in the right/wrong spirit — etw richtig/falsch auffassen
to take sth in the spirit in which it was intended —
to be in good/low spirits — guter/schlechter Laune sein
her spirits fell — ihr sank der Mut
8) pl (= alcohol) Branntwein m, Spirituosen pl, geistige Getränke pl2. vtto spirit sb/sth away or off — jdn/etw verschwinden lassen or wegzaubern
to spirit sb out of a room etc — jdn aus einem Zimmer etc wegzaubern
* * *spirit [ˈspırıt]A s1. allg Geist m:the spirit is willing but the flesh is weak der Geist ist willig, aber das Fleisch ist schwach2. Geist m, Lebenshauch m3. Geist m:a) Seele f (eines Toten)b) Gespenst n4. Spirit (göttlicher) Geist5. Geist m, (innere) Vorstellung:in (the) spirit im Geiste (nicht wirklich)the world of the spirit die geistige Welt7. Geist m:a) Gesinnung f, (Gemein- etc) Sinn m:spirit of the party Parteigeistc) Sinn m:8. meist pl Gemütsverfassung f, Stimmung f:a) Hochstimmung,b) Ausgelassenheit f;in high (low) spirits in gehobener (gedrückter) Stimmung;keep up one’s spirits sich bei Laune halten;9. fig Feuer n, Schwung m, Elan m, Mut m, pl auch Lebensgeister pl:full of spirits voll Feuer, voller Schwung;10. (Mann m von) Geist m, Kopf m11. fig Seele f, treibende Kraft (eines Unternehmens etc)13. CHEMa) Spiritus m:spirit varnish Spirituslack mb) Destillat n, Geist m, Spiritus m:14. pl Spirituosen pl, stark alkoholische Getränke pl15. auch pl CHEM US Alkohol mB v/t* * *1. noun1) in pl. (distilled liquor) Spirituosen Pl.2) (mental attitude) Geisteshaltung, diein the right/wrong spirit — mit der richtigen/falschen Einstellung
take something in the spirit in which it is meant — etwas so auffassen, wie es gemeint ist
enter into the spirit of something — innerlich bei einer Sache [beteiligt] sein od. dabei sein
3) (courage) Mut, der4) (vital principle, soul, inner qualities) Geist, derin spirit — innerlich; im Geiste
be with somebody in spirit — in Gedanken od. im Geist[e] bei jemandem sein
the spirit of the age or times — der Zeitgeist
7)high spirits — gehobene Stimmung; gute Laune
2. transitive verbin poor or low spirits — niedergedrückt
spirit away, spirit off — verschwinden lassen
* * *n.Elan nur sing. m.Geist -er m.Gespenst -er n.Seele -n f.Spiritus m.Sprit nur sing. m. -
19 water
1) вода2) объём воды; расход4) обводнять6) мочить; замачивать; смачивать8) водоём•to go to water — обводняться (о скважине, месторождении, добыча нефти в которых в результате этого становится нерентабельной)-
absorbed water
-
acid waste water
-
acid water
-
activated water
-
adhesive water
-
adsorbed water
-
aerated water
-
aggressive water
-
ammonia water
-
apportioned water
-
artesian water
-
atmospheric water
-
available water
-
bleed water
-
boiler water
-
boiling water
-
borated water
-
bottom water
-
bound water
-
brackish water
-
capillary water
-
carbonate water
-
cavern water
-
char sweet water
-
chemically pure water
-
chlorinated water
-
circulating water
-
clarified water
-
cleaning purposes water
-
clear sweet water
-
clear water
-
colliery water
-
Cologne water
-
combined water
-
compensation water
-
condensate water
-
condenser water
-
condensing water
-
conductivity water
-
confined water
-
conservation water
-
constitution water
-
contaminated water
-
cooking water
-
cook water
-
cooling water
-
corrosive water
-
crystallization water
-
crystal water
-
day water
-
dead water
-
deaerated water
-
deep water
-
degassed water
-
deionized water
-
delivery water
-
demineralized water
-
dentifrice water
-
desalinized water
-
desiliconized water
-
desilting water
-
dirty sweet water
-
discharge water
-
distilled water
-
domestic water
-
downstream water
-
drain water
-
drilling water
-
drinking water
-
dystrophic water
-
effective snowmelt water
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effluent water
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electronic-grade water
-
electronic water
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emergency core cooling water
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entrained water
-
eutrophic water
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excessive tail water
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exchange water
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exportable water
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feed water
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fixed water
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floral water
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flowing water
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flushing water
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flush water
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formation water
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foul water
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free water
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fruit soda water
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glue water
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gravitational water
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gray water
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gutter water
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hard water
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head water
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heavy water
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high water
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hydrothermal water
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hygroscopic water
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ice-congested water
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imported water
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impounding water
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industrial water
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infected water
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influent water
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intercepted water
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intermediate water
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interstitial water
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irreducible water
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irregular temporary water
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irrigation water
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land water
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leakage water
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lenthic water
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light water
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lime water
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lockage water
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loose water
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lothic water
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low water
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main water
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makeup water
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manufacturing water
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mashing water
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melt water
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melting water
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meteoric water
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middle water
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mine water
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mineral water
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mineralized water
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mixing water
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mud makeup water
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muddy water
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narrow water
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navigable water
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nonartesian water
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noncirculating water
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nonflashing water
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nonmoving water
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nonpotable water
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nonradioactive water
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offshore water
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onsite water
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open water
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ordinary water
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overflow water
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overinhibited water
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oversill water
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oxygenated water
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oxygenless water
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peptone water
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perched water
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percolating water
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phreatic water
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piped water
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polluted water
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potable water
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precipitation water
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pressure water
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pretreated water
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process water
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produced water
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project water
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pulp water
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pulp-press water
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pure water
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quenching water
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radioactive water
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raw water
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reactor water
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recirculated water
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recreation water
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recycled water
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regeneration water
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residual water
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residuary water
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restricted water
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return water
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reuse water
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rinse water
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rose water
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running water
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saline water
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salt water
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sample water
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sanitary water
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saturated water
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saturation-pressure water
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scale-producing water
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sediment-laden water
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seepage water
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service water
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sewage water
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shallow tail water
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shielding water
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shoaling water
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silica-free water
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silt-free water
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silt-laden water
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slope water
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sludging water
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sluice water
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smooth water
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snow water
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soaking water
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soft water
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softened water
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soil water
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solid water
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source water
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spill water
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spilling water
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spray water
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stagnant water
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steeping water
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steep water
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still water
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storage water
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storm water
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subcooled water
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subsoil water
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subsurface water
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supercritical water
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surface water
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surplus water
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suspended water
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sweet water
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table water
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tail water
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tank water
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tap water
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temporary water
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thermally enriched water
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thickened water
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tie water
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toilet water
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top water
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total precipitable water
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town water
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treated water
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trypton water
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turbid water
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ultrapure water
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underground water
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underscreen water
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upgrade water
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upstream water
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versatile hardness water
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wash water
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waste water
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water of reaction
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water of zero hardness
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whirling water
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white water -
20 Le Chatelier, Henri Louis
SUBJECT AREA: Metallurgy[br]b. 8 November 1850 Paris, Franced. 17 September 1926 Miribel-les-Echelle, France[br]French inventor of the rhodium—platinum thermocouple and the first practical optical pyrometer, and pioneer of physical metallurgy.[br]The son of a distinguished engineer, Le Chatelier entered the Ecole Polytechnique in 1869: after graduating in the Faculty of Mines, he was appointed Professor at the Ecole Supérieure des Mines in 1877. After assisting Deville with the purification of bauxite in unsuccessful attempts to obtain aluminium in useful quantities, Le Chatelier's work covered a wide range of topics and he gave much attention to the driving forces of chemical reactions. Between 1879 and 1882 he studied the mechanisms of explosions in mines, and his doctorate in 1882 was concerned with the chemistry and properties of hydraulic cements. The dehydration of such materials was studied by thermal analysis and dilatometry. Accurate temperature measurement was crucial and his work on the stability of thermocouples, begun in 1886, soon established the superiority of rhodium-platinum alloys for high-temperature measurement. The most stable combination, pure platinum coupled with a 10 per cent rhodium platinum positive limb, became known as Le Chatelier couple and was in general use throughout the industrial world until c. 1922. For applications where thermocouples could not be used, Le Chatelier also developed the first practical optical pyrometer. From hydraulic cements he moved on to refractory and other ceramic materials which were also studied by thermal analysis and dilatometry. By 1888 he was systematically applying such techniques to metals and alloys. Le Chatelier, together with Osmond, Worth, Genet and Charpy, was a leading member of that group of French investigators who established the new science of physical metallurgy between 1888 and 1900. Le Chatelier was determining the recalescence points in steels in 1888 and was among the first to study intermetallic compounds in a systematic manner. To facilitate such work he introduced the inverted microscope, upon which metallographers still depend for the routine examination of polished and etched metallurgical specimens under incident light. The principle of mobile equilibrium, developed independently by Le Chatelier in 1885 and F.Braun in 1886, stated that if one parameter in an equilibrium situation changed, the equilibrium point of the system would move in a direction which tended to reduce the effect of this change. This provided a useful qualitative working tool for the experimentalists, and was soon used with great effect by Haber in his work on the synthesis of ammonia.[br]Principal Honours and DistinctionsGrand Officier de la Légion d'honneur. Honorary Member of the Institute of Metals 1912. Iron and Steel Institute Bessemer Medal.Further ReadingF.Le Chatelier, 1969, Henri Le Chatelier.C.K.Burgess and H.L.Le Chatelier, The Measurement of High Temperature.ASDBiographical history of technology > Le Chatelier, Henri Louis
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