scanning electronic microscope 中文意思是什麼

scanning electronic microscope 解釋
掃描電子顯微鏡
  • scanning : n. 1. 細看,細察,審視。2. 【電視】掃描,掃掠,搜索。
  • electronic : adj. 電子的,電子操縱的;用電子設備生產的;用電子設備完成的。adv. -cally
  • microscope : n 顯微鏡。 a binocular microscope 雙目顯微鏡。 an electron microscope 電子顯微鏡。 a field ion em...
  1. The characteristics of the sub - leaf epidemics of the plants have been observed and compared by scanning electronic microscope. lt was found out that the micro characteristics are important in a sense for identification the varieties. the constituents of volatile oil from dry flower buds of l hypoglauca miq., l acuminate wall, and l similis hemsl

    首次通過gc - ms聯用技術分析了紅腺忍冬、淡紅忍冬和峨眉忍冬乾燥花蕾揮發油成分,並通過計算機質譜庫檢索並與標準圖譜對照,對其所含化合物進行了鑒定,發現棕櫚酸是它們的主要成分,相對含量最高佔49 . 27 ,最低佔28 . 71 ,其餘成分的組成和含量差別較大。
  2. Some testing devices are of advanced ones, such as scanning electronic microscope, microfocus circular radioscope, water - immersed ultrasonic flaw detector, 3 - axis measuring machines, large - sized projector, etc. for the production of non - aero products, there are large - sized die - casting equipment, and nearly 100 pieces of specialized gear machine tools including worm - gear grinding machine, etc. it has some specialized production lines for piston, crankshaft, cylinder and housing, etc., as well as 4 flexible production lines advanced at home for motorcycle engine, and a complete set of automatic inspection test eqiuipment for motorcycle engine

    計算機輔助設計輔助加工技術正在普遍使用。在非航空產品生產方面有大型壓鑄設備殼型鑄造,包括鍋桿輪磨在內的輪專用機床100多臺,以及活塞曲軸汽缸殼體等專業化生產線。此外,還建成了具有國內領先水平的4條摩托車發動機柔性生產線,以及成套的摩托車發動機檢測設備,可進行測試數據分析,改進檢定測試方法等。
  3. 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、掃描電子顯微鏡、電子探針以及x -射線衍射儀,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中的化學反應過程。
  4. The x - ray diffraction, scanning electronic microscope and the squid were used to characterize the properties of the mgb2 core in mgb2 / fe tapes and wires. the effect of the proportion of mg, b and sic as well as the sintering parameters on the phase formation, microstructure and the critical current densities of mgb2 / fe tapes and wires was discussed in details. the results showed that the high purity of mgb2 core could be synthesized by both the traditional vacuum sintering and the sparking plasma sintering and the vacuum sintering environment restrained the oxidation of mg effectively

    相對于傳統真空燒結, sps燒結方式成相速度快、樣品晶粒細小均勻、 mgb2超導芯緻密性好、晶間連接優良,因而sps燒結樣品的臨界電流密度明顯高於傳統真空燒結樣品,其中未摻雜的帶材樣品經過sps800 , 15分鐘燒結后,自場下的臨界電流密度jc值在10k時達到8 . 64 105a / cm2 ,而且隨著測量溫度和外加磁場的增加, sps燒結樣品的臨界電流密度下降率比傳統真空燒結樣品緩慢,在20k ,自場時為5 . 97 105a / cm2 , 20k , 3t時,臨界電流密度值仍大於104a / cm2 。
  5. Study on the testing of the scanning electronic microscope

    型掃描電鏡的調試
  6. In this text, the study was conducted to the diesel engine running - in on test bed by advanced oil analysis, surface analysis and characteristic parameters analysis of diesel engine during running - in. based on the spectrographic analysis, ferrographic analysis, particle counting, and scanning electronic microscope analysis, the extraction of lubricant analysis results have been completed by various methods as limits method, fuzzy synthesis analysis, tendency chart analysis. on the basis of information, issued from above analysis the quality comprehensive assessment model of diesel engine running - in has been established, used to assess the diesel engine running - in quality and engine test - bed running - in quality

    本文以柴油機臺架磨合過程為研究范圍,採用先進的油液分析技術,表面分析技術和柴油機性能參數分析技術相結合的方法,在採集柴油機臺架磨合階段磨合潤滑油樣和相關信息,對柴油機臺架磨合潤滑油樣的光譜分析、鐵譜分析、顆粒計數分析等技術手段獲得的各種信息進行特徵提取,結合來自於分析鐵譜和掃描電鏡的特徵圖像信息,以及柴油機性能參數中的特徵信息,用界限值分析法、模糊綜合分析法和趨勢圖分析法等多種方法,並融合其他相關的特徵信息,建立柴油機臺架磨合質量綜合評價數學模型,綜合分析柴油機臺架磨合質量,研製開發了柴油機臺架磨合質量綜合評價系統。
  7. 3. the diamond segment wear process was analyzed by testing the weight of segment before and after sawing. the patterns of wear and breakage of diamond grits and bond wear mechanism of the blade were analyzed based on the observation on the working surface of the saw blade by stereo microscope and scanning electronic microscope

    採用稱重法測量鋸切過程鋸片節塊磨損量,並通過計算磨削比,分析了混凝土鋸切過程金剛石節塊的磨損特性及其影響因素,並採用sem和體視顯微鏡觀察節塊不同部位工作表面和金剛石的磨損破壞情況,研究了金剛石磨損破壞的主要形式和胎體材料的磨損形態。
  8. Abstract : the surface defects of silver coins was analysed with augerelectron spectroscopy ( aes ), scanning electronic microscope ( sem ) and energy dispersive spectrum ( eds )

    文摘:採用掃描電鏡、能量色散譜和俄歇電子能譜檢測方法,對銀幣表面缺陷進行了分析。
  9. The lab tests contained soil dynamic triaxial test, x ray diffraction, scanning electronic microscope observation, grain size analysis and routine soil tests

    室內測試分析主要有土樣動三軸實驗,礦物組成x衍射分析,土樣微結構掃描電鏡觀測,土樣粒度成分分析和常規土工實驗分析。
  10. The result showed that the interpenetration network structure between polymeric and deposited metal has been observed under a scanning electronic microscope and optical microscope. the experiments showed that copper deposition gradient distribution and crystal structure were greatly influenced by the the ph value of electrochemical reduction medium solution and the size, number and distributing of microporous in swelling cathode film

    用掃描電鏡和體式顯微鏡對制備的pmgcf進行了分析,結果表明:制備的pmgcf樣品的金屬沉積層梯度分佈均勻,在一定的電化學條件下金屬銅和聚合物基體形成了互穿的立體網狀結構。
  11. Solution to a vacuum problem in leo - 1450 scanning electronic microscope

    1450掃描電鏡一種真空故障的排除
  12. In the experiments, two series of catalysts were synthesized by co - deposition and sol - gel methods each. the composition of both waterproof and gas diffusion layer and catalysis layer were optimized by the orthogonal test. meanwhile, quasi - steady cathode polarization curves, x - ray diffraction ( xrd ), scanning electronic microscope ( sem ) were used to analyst the relationship between the microstructure and the performance of air electrode

    實驗採用共沉澱法和溶膠凝膠法合成了兩類催化劑;對防水透氣層和催化層進行了正交試驗優化;同時,還採用測準穩態極化曲線, x射線衍射( xrd ) 、掃描電子顯微鏡( sem )等分析測試手段,對空氣擴散電極催化材料、空氣擴散電極界面結構與性能的關系等作了較深入的研究。
  13. Sem scanning electronic microscope

    掃描電鏡
  14. By means of scanning electronic microscope, i have done some observation and researches on the scattering property of wollastonite in polypropylene and the cohesive property between wollastonite and polypropylene

    應用掃描電子顯微鏡對改性硅灰石在聚丙烯中的分散性及其與聚丙烯的界面結合性進行了觀察和研究。
  15. 1. the topographies of cutting grooves and cutting chips were observed by means of scanning electronic microscope, and sawing mechanism of concrete was analyzed, based on the properties and fracture mechanics of concrete. 2

    採用掃描電鏡( sem )和體視顯微鏡觀察單顆粒金剛石切削混凝土溝槽表面形貌和切屑形態,並結合混凝土的特性及斷裂力學性能,分析研究了混凝土材料的切削加工機理。
  16. 8. the smg cells were subcutaneously injected into collagen sponge with egf, counted the number of smg cells for the rate of adherence and observed the histological change with he staining and scanning electronic microscope after 7 days. results 1

    8 .將50xl護/耐濃度的領下腺細胞接種在表皮生長因子( egf )修飾的膠原海綿支架上,觀察領下腺細胞在表皮生長因子( egf )修飾的支架上豁附,增殖及分化情況。
  17. Analyzing quantitatively the structural features of soft soil from marine accumulation around vacuum preloading by means of x - ray, scanning electronic microscope and computer image processing technique, together with the experiment and comparing the changes of soft soil in microstructure and engineering properties, the authors studied the consolidation mechanism of vacuum preloading

    摘要藉助x -射線、掃描電鏡及計算機圖像處理等技術,對海積軟土真空預壓加固前後的結構特徵進行定量分析,並結合室內試驗,對比研究土體微觀結構和工程性質的變化,探討真空預壓加固的機理。
  18. Klc of j3 is higher than j2 and j1 at different temperatures, and this shows the stronger ability of j3 to resist crack expanding. two probations have been tried to explore the reasons concerning the results above, one of which is by analyzing the compositions of the three pbxs above and shows that the stronger ability of j3 to resist crack expanding is probably mainly due to the use of bonder b2, and another is by using scanning electronic microscope sem to observe the fracture face morphologies of the specimens at different temperatures. the quantitative observations strongly support the laws of klc of pbxs changes with temperature is revealed as follows : a

    測試了三種高聚物粘結炸藥在不同溫度下的平面應變斷裂韌度k _ ( ic )值,得到了這三種炸藥的平面應變斷裂隨溫度的變化規律: a 、隨著溫度的增加,高聚物粘結炸藥的平面應變斷裂韌度降低; b 、在45以後j2的平面應變斷裂韌度降低最快,在60時已很差,比j1還低,可以認為j2在高溫下的抗裂紋擴展的能力比j1還差; c 、在不同溫度下, j3的平面應變斷裂韌度比j2和j1的均高,表現出相對較強的抗裂紋擴展能力。
  19. Macroscopical phenomenon description, scanning electron microscope ( sem ) analysis, electronic probe and x ray diffraction ( xrd ) analysis were used to analyze the phenomena of fouling and slagging in the main combustion zone, reburning zone and burned zone, with emphasis on the difference and its reason in reburning zone

    通過宏觀現象描述、微觀掃描電鏡( sem )分析、電子探針和x射線衍射儀( xrd )物相分析,對爐內主燃區、再燃區和燃盡區沾污結渣狀況進行研究,重點分析再燃區的沾污結渣差異及原因。
分享友人