epma 中文意思是什麼

epma 解釋
電子探針微量分析器
  1. In order to find out the mechanism of bone growth and biodegradation of this kind materials animal experiment was adopted in this paper, by use of sem, epma and polarizing microscope it discussed the transformation of porous bioceramic after implanted in rabbit ' s femur. in this experiment we got some important findingsfirstly, after implanted the material began to degrade indeed

    利用掃描電鏡、電子探針、 x光片以及甲苯胺藍和he染色等組織學觀測手段，本文探討了- tcp多孔生物陶瓷在植入骨內后結構形態與組成的變化，深入分析了- tcp多孔生物陶瓷的降解機理和晶體轉變過程。
  2. Authigenic minerals and their occurrence in the meso - cainozoic reservoir sandstones were observed and analyzed by optical microscope, sem, epma and xrd

    採用光學顯微鏡、掃描電鏡、電子探針及x射線衍射觀察分析了塔里木盆地中新生界儲層砂巖自生礦物及其在巖石中的產狀。
  3. The structure evolution and reaction mechanism of silicon - iron composite powders treated at the temperature ranging from 700 c to 1200 c respectively were carefully investigated through xrd, sem, epma, dsc. it was found that the chemical formula, fe + si - fe ( si ) + fe3si ( si ), controls the reaction process, and the reaction mechanism of powder homogenization was clarified

    通過利用xrd ， sem ， epma ， dsc等多種測試手段，詳細研究了鐵硅復合粉末帶材在700 1200的熱處理溫度條件下的反應狀況及結構變化，明確了反應過程中的化學方程式： fe + si fe （ si ） + fe _ 3si （ si ） ，並解釋了各個熱處理溫度范圍內，鐵硅粉末均一化的反應機理。
  4. Silmo d or award for special activities in the optical industry epma award for special activities in the mim - technology

    由於對光學界所作出的傑出貢獻而獲silmo d or獎
  5. The main element analysis of whole rocks, the ree analysis and the trace element analysis have been done for the granitoid samples in this area. the chemical composition analysis has been done for the amphiboie and biotite minerals. the epma and x - ray powdered crystal diffraction have been done for k - feldspar, plagioclase, amphiboie, biotite, quartz, magnetite, titanite

    對本區花崗巖類樣品進行了全巖主量元素、稀土元素及微量元素分析，對角閃石和黑雲母單礦物進行了化學成分分析，對鉀長石、斜長石、角閃石、黑雲母、及石英、磁鐵礦、磷灰石和榍石進行了電子探針和x射線粉晶衍射分析。
  6. Electron optical system of epma

    電子探針的電子光學系統
  7. Electron lperation desk of epma

    電子探針的電子操縱臺
  8. The microstructure, granularity and morphology of the product were characterized by epma - 1600. epma - 1600 studies showed that the ultra - fine active zinc oxide was spherical structure with distribution and granu

    結果表明：超細活性氧化鋅的形貌為球形，且分散均勻，粒度均勻，其平均粒徑為100nm ，比表面積為41m ~ 2 g 。
  9. Sem, afm, epma micrographs indicate that pore size distribution of membranes is narrow ; thickness of membrane is about l - 2um and gradual interface between membrane and substrate is continuous and uniformity

    Sem分析發現膜面較為平整、無開裂且晶粒輪廓清晰，孔徑分佈較窄，膜厚大約在1 2 m之間，膜與基體的界面連續較均勻。
  10. 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。
  11. Abstract : this paper reports the observation and analysis results on three kinds of impurity in - al2o3 by using epma - eds. we studied the differences of electric conductivity between the area containing inmpurity and the normal area by ion transport method. the effects of impurity in - al2o3 on cycle life of the na - s cell were also discussed

    文摘:用epma - eds組合儀，對氧化鋁中的三種典型雜質進行了形貌觀察和成分分析，並用電子束誘導離子遷移法，研究了雜質區及正常區的離子電導差異，討論了不同雜質的特點及對氧化鋁作用中的危害。
  12. By means of chemical etching, microscope observation, eelectron probe x - ray micro - analyzer ( epma ), the micro - distribution of c acceptor defect in lec si - gaas wafer is investigated, the results show that there is serious influence of the density and distribution of dislocations on the distribution of c impurity in wafer

    本文通過ab腐蝕、 koh腐蝕，金相顯微鏡觀察，透射電鏡能譜分析，電子探針x射線微區分析，研究了液封直拉法生長的非摻半絕緣砷化鎵（ lec ， si - gaas ）單晶中碳的微區分佈。
  13. Methods of mineral and rock specimen preparation for epma

    礦物巖石的電子探針分析試樣的制備方法
  14. The defect and interface in sapphire and gan were observed by afm. we found that when the dislocation density in sapphire was lower thanl05 / cm2, the dislocation density in gan was 108 ~ 109 / cm2and not linear with the dislocation in sapphire. the impurity of mo in sapphire and gan was measured by sem xps epma and uvf we found the mo content in sapphire was 10 - 4, and the mo content in gan was lower than ppm. so it was concluded that low - cost mo crucible is viable

    用掃描電鏡（ sem ） 、 xps 、電子探針和紫外熒光光譜儀測量了藍寶石襯底和gan外延層中的mo雜質的含量，發現藍寶石襯底中含有mo雜質，含量約為10 ~ （ - 4 ） （質量含量） ；而在外延層gan中沒有檢測到mo雜質，即mo雜質含量小於ppm級。
  15. In the end thin film ybig was grown onto substrate ybilg. then the structure and component of these films were measured and anaslysed by the measurements such as xrd, sem, epma, etc

    Ybiig 、 ybig系列石榴石薄膜的生長、測試結果表明，晶格失配度對lpe外延成功與否起重要作用。
  16. In the present research, scanning electron microscope ( sem ), laser raman spectroscopy ( lrs ), x - ray photoelectron spectroscopy ( xrs ), x - ray diffraction ( xrd ) and electron probe micro analysis ( epma ) were utilized to investigate the difference in micro - structure and elements distribution between domestic and foreign pdcs. combined with analysis on current manufacturing process, the mechanism for the difference was discussed. scanning electron microscope ( sem ), laser granularity analysis, atom emission spectroscopy ( aes ) and plasma emission spectroscopy ( icpaes ) are also utilized to investigate the grain shape and impurities of key material - diamond power

    本課題採用掃描電鏡、拉曼光譜、光電子能譜、 x -射線衍射分析、電子探針等方法分析了國內外聚晶金剛石-硬質合金復合片在微觀組織結構、元素成分分佈方面的差異，結合對現有燒結工藝的分析，研討了造成這些差異的機理；採用掃描電子顯微鏡、激光粒度分析、原子發射光譜、等離子發射光譜等方法對關鍵原材料-金剛石微粉的晶形、雜質含量進行了比較分析測試。
  17. Method for testing epma instrument

    電子探針分析儀的檢測方法
  18. General specification of x - ray eds quantitative analysis for epma and sem

    電子探針和掃描電鏡x射線能譜定量分析通則
  19. Epma award 2005

    獲2005年度epma獎
  20. The speciation of silver in the lead concentrates were analyzed by means of optical microscope and electron probe micro - analyser ( epma )

    摘要利用光學顯微鏡、電子探針對鉛精礦中銀的賦存狀態進行了分析。
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