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1 diffraction instrument
Англо-русский металлургический словарь > diffraction instrument
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2 diffraction instrument
1) Металлургия: дифракционный прибор2) Электроника: дифракционный измерительный приборУниверсальный англо-русский словарь > diffraction instrument
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3 diffraction instrument
English-russian dictionary of physics > diffraction instrument
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4 diffraction instrument
English-Russian electronics dictionary > diffraction instrument
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5 diffraction instrument
The New English-Russian Dictionary of Radio-electronics > diffraction instrument
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6 diffraction instrument
English-Russian dictionary of electronics > diffraction instrument
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7 diffraction instrument function
Макаров: дифракционная аппаратная функцияУниверсальный англо-русский словарь > diffraction instrument function
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8 diffraction instrument function
English-russian dictionary of physics > diffraction instrument function
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9 electron-diffraction instrument
Англо-русский металлургический словарь > electron-diffraction instrument
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10 X-ray diffraction instrument
Англо-русский металлургический словарь > X-ray diffraction instrument
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11 X-ray diffraction instrument
Универсальный англо-русский словарь > X-ray diffraction instrument
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12 electron diffraction instrument
Универсальный англо-русский словарь > electron diffraction instrument
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13 electron-diffraction instrument
Металлургия: электронографУниверсальный англо-русский словарь > electron-diffraction instrument
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14 instrument
1) измерительный прибор; средство измерения; измерительная аппаратура || оснащать измерительными приборами, средствами измерения или измерительной аппаратурой || относящийся к измерительным приборам, средствам измерения или измерительной аппаратуре, приборный, проф. инструментальный2) оборудование || оборудовать4) (официальный) документ; акт; свидетельство; обязательство5) анкета; опросный лист; вопросник•- analog instrument
- bolometric instrument
- bow instrument
- bowed instrument
- cathode-ray instrument
- D'Arsonval instrument
- deadbeat instrument
- destructive test instrument
- diffraction instrument
- digital instrument
- direct-acting recording instrument
- direct-current instrument
- direct-reading instrument
- electrodynamic instrument
- electron-beam instrument
- electronic instrument
- electronic musical instrument
- electronic telephone instrument
- electrostatic instrument
- electrothermic instrument
- embouchure instrument
- end instrument
- ferrodynamic instrument
- fingered instrument
- fingered musical instrument
- flue instrument
- flush-type instrument
- graphic instrument
- hot-wire instrument
- indicating instrument
- indirect-acting recording instrument
- induction instrument
- induction-type instrument
- in-situ instrument
- integrating instrument
- keyboard instrument
- labial instrument
- light-beam instrument - microfluidic-based analytical instrument
- mouthpiece instrument
- moving-iron instrument
- moving-magnet instrument
- musical instrument
- navigation instrument
- nondestructive test instrument
- percussion instrument
- permanent-magnet moving-coil instrument
- permanent-magnet moving-iron instrument
- pizzicato instrument
- pizzicato musical instrument
- polarized-vane instrument
- polytimbral instrument
- radiation survey instrument
- recording instrument
- rectifier instrument
- reed instrument
- self-contained instrument
- solid-state instrument
- stringed instrument
- string-shadow instrument
- suppressed-zero instrument
- survey instrument
- thermal instrument
- thermionic instrument
- thermistor instrument
- thermocouple instrument
- touch-sensitive control instrument
- ultrasonic test instrument
- universal operator panel instruments
- wind instrument
- woodwind instrument -
15 instrument
1) измерительный прибор; средство измерения; измерительная аппаратура || оснащать измерительными приборами, средствами измерения или измерительной аппаратурой || относящийся к измерительным приборам, средствам измерения или измерительной аппаратуре, приборный, проф. инструментальный2) оборудование || оборудовать4) (официальный) документ; акт; свидетельство; обязательство5) анкета; опросный лист; вопросник•- analog instrument
- bolometric instrument
- bow instrument
- bowed instrument
- cathode-ray instrument
- D'Arsonval instrument
- deadbeat instrument
- destructive test instrument
- diffraction instrument
- digital instrument
- direct-acting recording instrument
- direct-current instrument
- direct-reading instrument
- electrodynamic instrument
- electron-beam instrument
- electronic instrument
- electronic musical instrument
- electronic telephone instrument
- electrostatic instrument
- electrothermic instrument
- embouchure instrument
- end instrument
- ferrodynamic instrument
- fingered instrument
- fingered musical instrument
- flue instrument
- flush-type instrument
- graphic instrument
- hot-wire instrument
- indicating instrument
- indirect-acting recording instrument
- induction instrument
- induction-type instrument
- in-situ instrument
- integrating instrument
- keyboard instrument
- labial instrument
- light-beam instrument
- logarithmic computing instrument
- mask alignment instrument
- microfluidic-based analytical instrument
- mouthpiece instrument
- moving-iron instrument
- moving-magnet instrument
- musical instrument
- navigation instrument
- nondestructive test instrument
- percussion instrument
- permanent-magnet moving-coil instrument
- permanent-magnet moving-iron instrument
- pizzicato instrument
- pizzicato musical instrument
- polarized-vane instrument
- polytimbral instrument
- radiation survey instrument
- recording instrument
- rectifier instrument
- reed instrument
- self-contained instrument
- solid-state instrument
- stringed instrument
- string-shadow instrument
- suppressed-zero instrument
- survey instrument
- thermal instrument
- thermionic instrument
- thermistor instrument
- thermocouple instrument
- touch-sensitive control instrument
- ultrasonic test instrument
- universal operator panel instruments
- wind instrument
- woodwind instrumentThe New English-Russian Dictionary of Radio-electronics > instrument
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16 diffraction-grating instrument
Универсальный англо-русский словарь > diffraction-grating instrument
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17 EDI
1) Военный термин: European Defense Initiative, ЕВРОИ, ЕОИ, Европейская Оборонная Инициатива3) Экономика: ОЭД (Electronic Data Interchange;-), обмен электронными данными (набор стандартов для пересылки финансовых документов по телекоммуникационным сетям;-)4) Бухгалтерия: electronic data interchange5) Телекоммуникации: Electronic Data Interchange (ANSI), End System Identifier (ATM, ISO)6) Сокращение: Economic Development Institute, Electronic Data Interchange (USPS pub. 109), Electronic Data Interchange (X.12), Engineering Disposal Instruction (USAF)7) Физиология: Eating Disorder Inventory8) Вычислительная техника: electronic data interface, Electronic Data Interchange (GOSIP)9) Нефть: electro-deionisation (Unit), electro-deionisation (unit)10) Фирменный знак: Economic Developers For Israel11) Экология: equal-discharge-increments12) Образование: Educational Development Initiative, Equality Dignity And Independence, Excellence Dedication And Integrity13) Сетевые технологии: безбумажная технология, электронный интерфейс данных, электронный обмен данными14) Безопасность: electronic document interchange15) Расширение файла: Electronic Document Interchange (DEC)16) Нефть и газ: expected divisible income, ожидаемый делимый доход17) Нефтеперерабатывающие заводы: Engineering design information18) Тенгизшевройл: электродиализная установка (предназначена для деминерализации (опреснения) воды различного солесодержания для нужд промышленного и хозяйственно-питьевого водоснабжения.)19) Фармация: Электродеионизация (Diman86)20) Общественная организация: Eating Disorders International21) Чат: Everyone's Doing It23) Программное обеспечение: Electronic Data Exchange -
18 EDI
1. electrical deflection indicator - электрический индикатор отклонений;2. electron diffraction instrument - электронно-дифракционный прибор; прибор, использующий явление дифракции электронов;3. electronic data interchange - электронный обмен данными -
19 pattern
1) рисунок; изображение; узор; картина; рельеф || формировать рисунок или изображение2) образ4) лекало5) метал. форма6) моделировать; копировать7) вчт. графический шаблон8) мн. ч. аппликации( в ЦМД ЗУ)12) схема; диаграмма13) сетка ( размещения скважин)14) диаграмма направленности ( антенны)15) рентгенограмма16) схема (сейсмической) группы; (сейсмическая) группа; расстановка в (сейсмической) группе17) последовательность ( импульсов)18) код; кодовая комбинация20) промежуточный оригинал ( фотошаблона)•-
abrasion pattern
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acoustic pattern
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aerial search pattern
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air traffic pattern
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annular drainage pattern
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antenna pattern
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approach traffic pattern
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approved pattern
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arborescent pattern
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azimuth pattern
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back-reflection Laue pattern
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backscattering pattern
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bar test pattern
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bar pattern
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basic pattern
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beam pattern
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behavioral pattern
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bidirectional pattern
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bit pattern
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blasthole pattern
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block pattern
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bubble patterns
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buckle pattern
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camera-scanning pattern
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cardioid pattern
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casting pattern
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centrifugal drainage pattern
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charge pattern
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charging pattern
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checkerboard pattern
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chip pattern
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circuit pattern
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circular pattern
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circulation pattern
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circumferential rib tread pattern
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code pattern
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color pattern
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color-bar test pattern
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color-bar pattern
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columnar freezing pattern
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completely atomized spray pattern
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concentrated ring pattern
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conductor pattern
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confronted drainage pattern
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consumable pattern
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contact pattern
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coverage pattern
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crack pattern
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crosshatch pattern
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cross-polarized pattern
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cross-polar pattern
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crystal pattern
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dark streak pattern
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dendritic drainage pattern
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dendritic pattern
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diamond tread pattern
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diamond-shaped well pattern
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difference pattern
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diffraction pattern
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directional pattern
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direction pattern
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directional radiation pattern
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directive pattern
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domain pattern
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dot pattern
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drafting pattern
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drainage pattern
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drilling pattern
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electron transmission diffraction pattern
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electron-diffraction pattern
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electrostatic-charge pattern
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E-plane pattern
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error pattern
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etch pattern
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eye pattern
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fan pattern
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feed pattern
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field distribution pattern
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field pattern
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fine speckle pattern
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five-spot well pattern
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flooding pattern
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flood pattern
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flow pattern
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flux pattern
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four-spot well pattern
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fracture pattern
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fracture radiation pattern
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freckle pattern
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fringe pattern
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geophone pattern
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grain pattern
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ground grip tread pattern
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ground-echo pattern
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ground-wave pattern
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growth pattern
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H hum pattern
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hail pattern
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heating pattern
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hexagonal well pattern
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holding pattern
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holdsite pattern
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hole pattern
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holographic pattern
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horizontal deflection spray pattern
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H-plane pattern
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idle pattern
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ignition pattern
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illumination pattern
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image pattern
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industrial pattern
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ingot pattern
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intarsia pattern
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interconnection pattern
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interdigital pattern
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interference pattern
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interlocking pattern
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investment pattern
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isobaric pattern
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laminate pattern
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lattice drainage pattern
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layout pattern
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lead pattern
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light pattern
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line pattern
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line well pattern
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Lissajous patterns
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load pattern
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loading pattern
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lobed pattern
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lost pattern
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low sidelobe pattern
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magnetic field pattern
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magnetization pattern
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master pattern
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match-all pattern
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match-plate pattern
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metallization pattern
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metal pattern
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mirror repeat jacquard pattern
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mode pattern
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moire pattern
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movement pattern
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multibasinal drainage pattern
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multiple pattern
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negative pattern
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nine-spot well pattern
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nodal pattern
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noise pattern
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notched pattern
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nulled pattern
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optical pattern
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oscilloscope pattern
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parallel drainage pattern
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pattern of end or side crops
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pattern of measuring instrument
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pattern of wear
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pencil-beam pattern
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permalloy propagation patterns
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permalloy patterns
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photoetched pattern
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polarization pattern
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positive pattern
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potential pattern
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powder pattern
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pressure pattern
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primary pattern
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printed-circuit pattern
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pseudorandom pattern
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pulse pattern
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quiescent pattern
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race track holding pattern
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radial drainage pattern
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radial drilling pattern
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radiation pattern
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rainfall pattern
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raster pattern
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rectangular approach traffic pattern
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rectangular drainage pattern
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reference pattern
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reflected scattering pattern
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resolution pattern
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rigid cycle pattern
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river-system pattern
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rolling pattern
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rotating crystal pattern
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routing pattern
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runback pattern
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scan pattern
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scattering pattern
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screen pattern
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screen-type pattern
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secondary pattern
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sector-shaped pattern
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selected area diffraction pattern
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shaped pattern
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shot pattern
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sound pattern
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space pattern
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speaker reference pattern
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speckle pattern
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spidery interconnection pattern
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spiral repeat jacquard pattern
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split pattern
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spray pattern
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square well pattern
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stacking pattern
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staggered line well pattern
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staggered well pattern
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stitch transfer pattern
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straight repeat jacquard pattern
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stream pattern
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stress pattern
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support pattern
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synchronization pattern
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takeoff pattern
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teeth row to row pattern
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temperature pattern
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temporary pattern
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test pattern
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traffic pattern
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training pattern
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transmission pattern
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tread pattern
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tree pattern
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trellis drainage pattern
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triangular well pattern
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two-dimensional pattern
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type test pattern
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unidentifiable flow pattern
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vocabulary reference pattern
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wafer pattern
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wave pattern
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wear pattern
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weather pattern
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wedge pattern
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well pattern
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Widmanstatten pattern
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wiring pattern
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word pattern
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X-ray diffraction pattern
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X-ray pattern -
20 antenna
см. тж. aerial- achromatic antenna
- active antenna
- actual antenna
- adaptive antenna
- aerodiscone antenna
- aerospace antenna
- air-frame antenna
- airplane antenna
- Alexanderson antenna
- Alford antenna
- annular antenna
- antifading antenna
- antistatic antenna
- aperiodic antenna
- aperture antenna
- aperture-angle antenna
- arc antenna
- artificial antenna
- automobile antenna
- auxiliary ship antenna
- axial-symmetric antenna
- backfire antenna
- back-to-back antenna
- band antenna
- base antenna
- batwing antenna
- beam antenna
- Beverage antenna
- biconical antenna
- bifocal antenna
- bilateral antenna
- billboard antenna
- block antenna
- bobtail curtain antenna
- bow-tie antenna
- box antenna
- broadband antenna
- broadbeam antenna
- broadside antenna
- built-in antenna
- butterfly antenna
- cage antenna
- capacitance-feeded antenna
- cap-type antenna
- car antenna
- car TV-antenna
- Cassegrain antenna
- cavity antenna
- center-fed reflector antenna
- cheese antenna
- circular antenna
- coaxial antenna
- coil antenna
- colinear antenna
- combined antenna
- communal antenna
- compact antenna
- complementary-pair antenna
- complementary-steerable antenna
- compound reflector antenna
- cone antenna
- conical antenna
- conical-horn antenna
- conical-monopole antenna
- corner antenna
- corrugated antenna
- cosecant-squared antenna
- coupled antenna
- cradle antenna
- cross antenna
- crossed antenna
- cryogenic antenna
- cubical antenna
- curtain rhombic antenna
- custom-configured antenna
- custom-made antenna
- cylinder antenna
- deer-horn antenna
- delta-loop antenna
- despun antenna
- diamond antenna
- diamond-loop antenna
- dielectric-rod antenna
- dieletric-lens antenna
- diffraction antenna
- dipole antenna
- direct-aperture antenna
- directed-sector antenna
- directional antenna
- dish antenna
- disk antenna
- disk-cone antenna
- disk-on-rod antenna
- dismountable antenna
- dome antenna
- double-band antenna
- double-square antenna
- doublet antenna
- double-umbrella antenna
- driven antenna
- dual-offset antenna
- dummy antenna
- earth-coverage antenna
- electric-pair antenna
- electronically scanned antenna
- electronically steerable antenna
- elementary antenna
- eleven-element antenna
- embedded-wire anti-ice antenna
- emergency antenna
- emergency ship antenna
- empty-helix antenna
- end-fire antenna
- E-plane-type pillbox antenna
- equiangular-spiral antenna
- exciting antenna
- factory-made antenna
- fan antenna
- fan-beam antenna
- fanned-beam antenna
- ferrite-rod antenna
- filament antenna
- filter-plexed antenna
- fin antenna
- finding antenna
- fin-mounted antenna
- fishbone antenna
- fishpole antenna
- flagpole antenna
- flat antenna
- flat-top antenna
- flexible antenna
- flush-mounted antenna
- FM unipolar antenna
- foldable antenna
- fold-down antenna
- four-element antenna
- four-tier antenna
- frame antenna
- Fresnel antenna
- full-band antenna
- fully steerable antenna
- glass-mount antenna
- glass-plastic antenna
- global coverage antenna
- GP antenna
- Gregorian antenna
- ground-to-air antenna
- half-pillbox antenna
- half-rhomb antenna
- half-slot antenna
- half-wave antenna
- halo antenna
- harmonic antenna
- hectometer antenna
- helical antenna
- H-field antenna
- high-efficient antenna
- high-impact antenna
- hoghorn antenna
- horizontally-polarized antenna
- horn-lens antenna
- H-plane antenna
- hula-loop antenna
- hyperbolic antenna
- image antenna
- imaging antenna
- indoor antenna
- instrumentation antenna
- instrument-panel antenna
- internal antenna
- intersatellite antenna
- inverse Cassegrain antenna
- inverted vee antenna
- IR-antenna
- isotrope antenna
- isotropic antenna
- laminated antenna
- L-antenna
- lazy H antenna
- LB-antenna
- leaky-wave antenna
- lens antenna
- linear antenna
- linear-conductor antenna
- locomotive antenna
- log-periodic antenna
- long wire antenna
- long-conductor antenna
- long-range antenna
- loop antenna
- loop-monopole antenna
- loop-stick antenna
- low-angle antenna
- low-frequency antenna
- low-silhoette antenna
- LP antenna
- magnetic antenna
- magnetic-based antenna
- magnetic-cored antenna
- magnetic-dipole antenna
- magnetic-sole antenna
- main ship antenna
- mains antenna
- manypole antenna
- mast antenna
- master antenna
- matched-filter antenna
- meander-type chain antenna
- metallic antenna
- microwave antenna
- miniloop antenna
- mirror antenna
- monoconical antenna
- monopillar helix antenna
- monopole antenna
- monopole-notch antenna
- monopulse antenna
- multiband antenna
- multibeam antenna
- multichannel antenna
- multielement dipole antenna
- multifeed antenna
- multilevel antenna
- multilobed antenna
- multimode antenna
- multiple antenna
- multiple-beam antenna
- multiunit antenna
- MW/DW antenna
- narrow-band antenna
- narrow-beam antenna
- near-field antenna
- near-field Cassegrain antenna
- near-surface antenna
- noise antenna
- noise-protected antenna
- nondirectional antenna
- nonresonant antenna
- notch antenna
- offset antenna
- off-surface antenna
- omniazimuthal antenna
- omnidirectional antenna
- open antenna
- orthogonal antennas
- outdoor antenna
- outer frame antenna
- outer pager antenna
- overtuned antenna
- paddle antenna
- paired antenna
- parabolic-dish antenna
- paraboloid antenna
- paracylinder antenna
- passive antenna
- paste-on antenna
- paste-on-type antenna
- pencil-beam antenna
- periodic antenna
- periscope antenna
- pickup antenna
- piggyback antenna
- pill-box antenna
- pin antenna
- pivot antenna
- planar antenna
- planar-array antenna
- plastic antenna
- plate antenna
- plural-beam antenna
- pocket antenna
- polar antenna
- prepositioned antenna
- prime-focal antenna
- progressive wave antenna
- pylon antenna
- pyramidal antenna
- quadrate antenna
- quarter-wave antenna
- radio-relay antenna
- reference antenna
- reflective array antenna
- reflector antenna
- replaceable-elongated antenna
- reserve antenna
- resonance antenna
- resonant antenna
- retrodirective antenna
- retroreflector antenna
- rhombic antenna
- ribbon antenna
- rib-mesh antenna
- ring antenna
- rod antenna
- roof antenna
- roof-top antenna
- room antenna
- rotatable antenna
- round diagram antenna
- running wave antenna
- satcom antenna
- satellite-communication antenna
- satellite-to-earth station antenna
- satellite-to-satellite antenna
- SB-antenna
- scimitar antenna
- scin antenna
- sector antenna
- sectoral antenna
- self-phasing antenna
- self-resonant antenna
- sense antenna
- sensing antenna
- series-fed vertical antenna
- seven-element antenna
- shaped-beam antenna
- sharp directional antenna
- shorted antenna
- Shpindler antenna
- shunt-excited antenna
- shunt-fed vertical antenna
- single-band antenna
- single-channel antenna
- single-element antenna
- single-horn antenna
- single-polarized antenna
- sixteen-element antenna
- slave antenna
- sleeve antenna
- sleeve-dipole antenna
- slope beam antenna
- slot antenna
- slotted-ring antenna
- solid antenna
- spaced antennas
- space-erected antenna
- spark-proof antenna
- spherical antenna
- spiderweb antenna
- spike antenna
- spiral antenna
- spiral-helix antenna
- spiral-phase antenna
- split-beam antenna
- square antenna
- stacked antenna
- stacked-dipole antenna
- standard antenna
- standing wave antenna
- static antenna
- stationary antenna
- steerable antenna
- stowable antenna
- strength antenna
- stripline antenna
- stripline-slot antenna
- stub-matched antenna
- submarine receiving antenna
- submarine transmitting antenna
- subwavelength antenna
- suppressed antenna
- surface wave antenna
- surrogate antenna
- suspended-patch antenna
- symmetrical antenna
- synphased antenna
- synthetic antenna
- synthetic-aperture antenna
- T-antenna
- telemetering antenna
- telescopic antenna
- television receive only antenna
- terminal antenna
- terrestrial-microwave point-to-point horn antenna
- test antenna
- three-band antenna
- three-element antenna
- three-sector antenna
- tiny antenna
- tower antenna
- tower-type antenna
- trailing antenna
- transceiving redirecting antenna
- transistorized antenna
- transmitting-receiving antenna
- trap-loaded antenna
- traveling-wave antenna
- triangular antenna
- triple-square antenna
- tripole antenna
- trumpet antenna
- turnstile antenna
- TV-antenna
- twelve-channel antenna
- two-element antenna
- Tx antenna
- UHF-antenna
- umbrella antenna
- unipole antenna
- unipole-notch antenna
- universal antenna
- unpositioned antenna
- USB-antenna
- V-antenna
- vertical antenna
- vertical polarization antenna
- vibrator antenna
- Vivaldi antenna
- V-strip antenna
- wave-channel antenna
- waveguide antenna
- whip antenna
- wide-band antenna
- wire antenna
- world-wide receiving antenna
- Wullenweber antenna
- X-beam antenna
- Yagi antenna
- Yagi-Uda antenna
- zig-zag antenna
- zoned antennaEnglish-Russian dictionary of telecommunications and their abbreviations > antenna
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См. также в других словарях:
Instrument (optique) — Instrument d optique Une lunette d approche Un instrument d optique est un instrument formant une image d un objet. Un instrument d optique est généralement l association de plusieurs systèmes optiques (ex.: objectif et oculaire). Quand ils… … Wikipédia en Français
Instrument D'optique — Une lunette d approche Un instrument d optique est un instrument formant une image d un objet. Un instrument d optique est généralement l association de plusieurs systèmes optiques (ex.: objectif et oculaire). Quand ils nécessitent la présence d… … Wikipédia en Français
Instrument optique — Instrument d optique Une lunette d approche Un instrument d optique est un instrument formant une image d un objet. Un instrument d optique est généralement l association de plusieurs systèmes optiques (ex.: objectif et oculaire). Quand ils… … Wikipédia en Français
Diffraction-limited system — Memorial to Ernst Karl Abbe, who approximated the diffraction limit of a microscope as , where d is the resolvable feature size, λ is the wavelength of light, n is the index of refraction of the medium being imaged in, and θ (depicted as α in the … Wikipedia
diffraction grating — Physics. a band of equidistant, parallel lines, usually more than 5000 per inch (2000 per centimeter), ruled on a glass or polished metal surface for diffracting light to produce optical spectra. Also called grating. [1865 70] * * * ▪ optics… … Universalium
Instrument d'optique — Une lunette d approche Un instrument d optique est un instrument formant une image d un objet. Un instrument d optique est généralement l association de plusieurs systèmes optiques (ex.: objectif et oculaire). De manière plus générale, on désigne … Wikipédia en Français
LUMIÈRE - Diffraction — On dit qu’il y a diffraction quand, dans un milieu homogène et isotrope (même vitesse de propagation pour tous les rayons lumineux quelle que soit leur direction), la lumière ne se propage pas en ligne droite. Les phénomènes de diffraction ne se… … Encyclopédie Universelle
Indice de diffraction — Théorie de la diffraction La théorie de la diffraction, dans sa forme élémentaire, repose sur le principe de Huygens Fresnel. Selon ce principe, chaque point atteint par une onde se comporte comme une source secondaire. La figure de diffraction… … Wikipédia en Français
Theorie de la diffraction — Théorie de la diffraction La théorie de la diffraction, dans sa forme élémentaire, repose sur le principe de Huygens Fresnel. Selon ce principe, chaque point atteint par une onde se comporte comme une source secondaire. La figure de diffraction… … Wikipédia en Français
Théorie de la diffraction — La théorie de la diffraction, dans sa forme élémentaire, repose sur le principe de Huygens Fresnel. Selon ce principe, chaque point atteint par une onde se comporte comme une source secondaire. La figure de diffraction observée résulte de l… … Wikipédia en Français
Powder diffraction — is a scientific technique using X ray, neutron, or electron diffraction on powder or microcrystalline samples for structural characterization of materials. [B.D. Cullity Elements of X ray Diffraction Addison Wesley Mass. 1978] Explanation Ideally … Wikipedia