中子衍射儀 的英文怎麼說

中文拼音 [zhōngziyǎnshè]
中子衍射儀 英文
neutron diffraction a aratus
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
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  1. By adopting x - ray diffraction and transmission electron microscope ( tem ), this thesis has insepectd the size and the structure of the calcium carbonate ( caco3 ) particles. according to hydrophile and lipophile balance ( hlb ), the suitable surface - active agents have been selected and put into lubricating oil with nanometer caco3 particles

    本文採用x和透電鏡檢驗了納米碳酸鈣粒的粒徑和內部結構,根據親水親油平衡值( hlb ) ,選擇合適的表面活性劑將其加入到含有納米碳酸鈣粒的潤滑油進行表面改性。
  2. The primary theory of absorption and desorption was also explained. the effects of primary process parameters, such as hydrogen pressure, time and temperature on the magnetic properties of ndfeb have been researched. the structure and magnetic properties have been analyzed by means of optical metallographic microscopy, scanning electronic microscopy, x - ray diffraction analysis, infrared oxygen detector and magnetic properties measurement

    本文設計了燒結ndfeb的氫爆制粉設備,對設備調試以及使用過程出現的主要問題進行了簡要的說明,提出了一系列解決方法;闡述了吸氫、脫氫的基本原理;研究了氫氣壓力、通氫時間、氫爆溫度等基本工藝參數對磁性能的影響;利用金相顯微鏡和掃描電顯微鏡, x分析,紅外線測氧分析及綜合磁性測量等手段分析了材料的組織結構和磁性能。
  3. The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected

    用蒙特卡羅模擬方法對應力的設計方案進行了優化研究,提出了一系列可供參考的數據:確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角;討論了第二準直器的尺寸和發散,以及使用第二準直器造成的強度損失;給出了在不同單色器反面、起飛角、波長和第一準直器發散度的情況下樣品處的注量率,以及多種組合情況下譜的解析度曲線;對限束方孔的尺寸、距離樣品遠近對強度損失和測量的影響做了深入研究。
  4. According to the demands of neutron scattering instruments to be built at china advanced research reactor ( carr ), the designs of several new instruments, i. e. two cold neutron guides ( cng ), one neutron stress diffractometer and one high resolution neutron powder diffactometer ( hrpd ), have been simulated and optimized using monte - carlo simulation softwares, mcstas and vitess, first. requirement on the size of the cold neutron source ( cns ) by cngs has been also studied. the results of this thesis have provided essential data as a basis of the neutron instruments designs

    本論文結合當前國先進研究堆( chinaadvancedresearchreactor , carr )工程譜建設的迫切需要,選擇國際上廣泛使用的通用模擬軟體mcstas和vitess作為模擬研究工具,首次對若干臺新建譜的設計方案進行了全面的模擬和優化研究,包括兩條冷導管、應力和高分辨粉末,並配合冷源設計研究了導管對冷源尺寸的要求。
  5. Microstructure of the composite layer was analyzed with help of optical microscope, scanning electronic microscope ( sem ), electronic probe microanalysis ( epma ) and x - ray diffraction ( xrd ). the compacting of the billet and the forming mechanism of the carbide reinforcement were studied based on thermodynamics and kinetics of reaction, sintering theory and the result of dta. at the same time, the wear - resistance of the composite layer was studied under condition of dry sliding friction

    利用光學顯微鏡、掃描電顯微鏡、電探針以及x -,分析了表面復合層的基體組織結構;運用反應熱力學、動力學、粉末燒結理論和燃燒合成理論,結合差熱分析結果,探討了表面復合層壓坯的燒結緻密化原理和碳化物增強相的形成機理;利用坯塊在真空燒結爐不同溫度下的燒結出來的顯微組織分析,模擬出坯塊的燒結過程的化學反應過程。
  6. Current researches, applications, preparation and structure of si3n4 are summarized in this paper. a new conclusion is drawn that silicon wafer can react with nitrogen at the temperature higher than 1100 and in super - pure nitrogen by direct - nitridation of silicon at the temperature from 800 to 1200. the prepared silicon nitride samples are tested by xps ( x - ray photoelectron spectroscopy ), sem ( scanning electron microscopy ), optical microscopy, xrd ( x - ray diffraction ) and edx ( energy dispersive x - ray analysis )

    通過矽片在800到1200各個溫度和各種氮氣氣氛下的氮化處理的實驗結果,報道了不同與其他研究者的氮化條件,矽片在氮氣保護的熱處理的氮化條件為:高於1100的溫度和高純氮的氣氛條件,同時對該氮化硅薄膜進行了金相顯微鏡、掃描電鏡( sem ) 、 x( xrd ) 、 x線光電譜( xps ) 、 x線能譜( edx )和抗氧化性等測試和分析。
  7. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可通過沉積參數的精確控制,以控制沉積過程,減少金剛石膜生長過程的缺陷,並採用光纖光譜檢測分析等離體的可見光光譜以監測微波等離體化學氣相沉積過程;利用微波對材料的選擇加熱特性,通過構造等效方程,並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計,建立了非均勻等離體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型,為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備,並對基片加熱材料進行了設計和優選,以獲取大面積均勻的溫度場區,甚至獲得大於基片臺尺寸的均勻溫度區;作為研究重點之一,開展了微波等離體化學氣相沉積金剛石的成核與生長研究,系統地研究了在( 100 )單晶硅基片上mpcvd沉積金剛石膜的實驗過程,基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響,分別用raman光譜、 x( xrd ) 、掃描電鏡( sem ) 、紅外透光譜( ir ) 、原力顯微鏡( afm )對薄膜進行了表徵,確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  8. The thesis mainly investigated the bati _ 4o _ 9 ( bt _ 4 ), which has the lowest dielectric loss in ba - ti system, and ( ba, sr ) tio _ 3, the a position substitute compound of batio _ 3. the dielectric properties of bt _ 4 / bst with different preparation way and different elements doping were investigated. a archimedes method, xrd, sem, impedance analyzer, network analyzer and hakki - coleman method were used to investigate the density, phase formation, microstructure, dielectric properties and doping mechanisms

    本論文以在ba - ti系具有最低介電損耗的bati _ 4o _ 9 ( bt _ 4 )高頻介質陶瓷和batio _ 3a位sr取代而得的( ba , sr ) tio _ 3 ( bst )高頻介質陶瓷作為研究對象,對不同粉體制備方法制備的bt _ 4 / bst高頻電介質材料進行不同元素的摻雜,運用阿基米德方法, x分析,掃描電顯微鏡和阻抗分析,網路分析, hakki - coleman法等方法手段和測試器測試燒成樣品的密度,相組成情況,微觀結構和介電性能,探討造成介電性能起伏的形成機理。
  9. 2 nano ceramic material is infiltrated into plasma - spraying coatings by laser - cladding nano - material. the microstructures of the coating series gotten are studied in detail with x ray diffraction, scanning electron microscopy. it is concluded that after laser cladding the density of the nano material infiltrated coating is improved and superior to density of laser - remelting coating

    ( 2 )在等離塗層的基礎上,利用激光熔覆將納米陶瓷材料熔滲到等離塗層,然後採用x、掃描電鏡、能譜等,對陶瓷系列塗層的微觀組織與結構進行了詳細分析。
  10. Tem, xrd and electronic energy spectrum indicated uniform tio2 particles laid over surface of sio2. for discussing mechanics of the process in adsorption phase reactor technology, the author designed temperature, concentration and reaction time experiments. then the adsorption and reaction mechanics were gained with kinds of analytical methods

    為了探討吸附相反應技術的過程機理,作者設計了溫度、濃度以及反應時間等實驗,並結合x( xrd ) 、透顯微鏡( tem ) 、電能譜等各種表徵手段,得出了吸附過程和反應過程的各自機理。
  11. Cyclic voltammetry ( cv ) in sulphuric acid solution and dimethyl ether solution is employed to characterize the catalytic activity of the electrocatalysts ; transmission electron microscopy ( tem ) and x - ray diffraction are employed to characterize the microstructure of the electrocatalysts ; the electrochemical characteristics of the direct dimethyl ether fuel cells ( ddfc ) made from the electrocatalysts are tested by arbin fuel cell test systems

    在h2so4溶液採用循環伏安對催化劑的電化學行為進行了評價;在飽和二甲醚溶液採用循環伏安研究了pt / c催化劑對二甲醚氧化性能;通過透顯微鏡( tem )和x( xrd )分析了催化劑的表面物理特徵;通過arbin燃料電池系統對催化劑制備二甲醚燃料電池進行評價。
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