electron scanning microscopy 中文意思是什麼

electron scanning microscopy 解釋
掃描電子顯微術
  • electron : n. 【物理學】電子。 the electron beam 電子束。 the electron theory 電子(學)說。
  • scanning : n. 1. 細看,細察,審視。2. 【電視】掃描,掃掠,搜索。
  • microscopy : n. 顯微鏡學;顯微鏡使用術。
  1. Chiral quaternary ammonium salts were synthesized from cinchonine in cinchona alkaloids using chloromethylated polystyrene - polyethylene glycol, diethylene glycol, triethylene glycol and glycol as polymer - supported phase transfer catalysts, finsl products were characterized by ftir, elemental analysis, scanning electron microscopy, x - ray photoelectron spectroscopy ( xps )

    摘要以金雞納生物堿中的辛可寧為原料,氯甲基化聚苯乙烯聚乙二醇、一縮二乙二醇、二縮三乙二醇、乙二醇等為載體合成了幾種聚合物負載的手性季銨鹽,並對它們的結構用紅外光譜、元素分析、掃描電鏡和x射線光電子能譜等測試手段進行了表徵。
  2. By using laser light scattering ( lls ) and scanning electron microscopy ( sem ), the particle sizes of ultrafine silicon dioxide diminish and the congeries dispersibility were obviously improved, which shows that the hydrophobic property of ultrafine silicon dioxide after being modified has been much more strengthened, this surface modification provides wide market to reuse ultrafine silicon dioxide waste material

    表明超細二氧化硅顆粒表面鍵合了疏水性有機分子鏈,蔬水性增強,達到了改性目的,為超細二氧化硅廢料的回收利用提供了廣闊的市場。
  3. Microcosmic morphology of prepared membranes observed by a scanning electron microscopy ( sem ) show that the nanofiltration membrane has a dissymmetrical structure

    採用掃描電子顯微鏡( sem )觀察了膜的微觀形態結構,表明所制納濾膜具有典型的不對稱結構。
  4. Environmental scanning electron microscopy ( esem ) observation of f2 mycelium cultured in liquid medium with 100mg / l of cadmium showed that there were crystalline precipitations attached to the surface of f2. transmission electron microscopy ( tem ) and energy - dispersive analysis microscope ( edam ) examination revealed that there were many granules with high content of cadmium around the cell wall

    F2在100mg l鎘濃度下培養后,經環境掃描電鏡( esem )觀察顯示,菌體表面有較大晶體狀沉澱物;透射電鏡( tem )和能譜分析( edam )表明,細胞壁周圍形成大量細小的高鎘含量沉澱物。
  5. In chapter two, we fabricated r - ni - fe / al2o3 nanocomposites successfully by using ball - milling mixing method plus hot - pressing process. meanwhile, their microstructures are characterized by x - ray diffraction ( xrd ) analyser, transmission electron microscopy ( tem ), field emission scanning electron microscopy ( fe - sem ) and brunauer - emmett - teller ( bet ). the results indicate that ni - fe particles are homogenously dispersed in the matrix in the composites

    在第二章中,我們採用高能球磨混合方法加上熱壓燒結工藝,成功制備了ni - 20fe al _ 2o _ 3納米復合材料,並通過x射線衍射儀( xrd ) 、透射電鏡( tem ) 、場發射掃描電鏡( fe - sem ) 、比表面孔隙儀( bet )對該復合材料的微結構進行了表徵。
  6. Observation of morphology of third - instar warble in yak by scanning electron microscopy

    應用掃描電子顯微鏡對氂牛皮蠅三期幼蟲的形態學觀察
  7. These features are examined by optical microscopy, scanning electron microscopy, and transmission electron microscopy.

    這些圖形可以用光學顯微鏡,掃描電子顯微鏡和透射電子顯微鏡來觀察。
  8. Conglomeration of fillers also easily fall off from the matrix, and all these result in wear mass loss increasing. the worn surfaces of the composites having 5 phr, 10plir, 20 phr nano - al2o3 are respectively studied by using the scanning electron microscopy ( sem )

    另外,在相同滑動條件下,隨著粒徑的增大,尼龍6 / a120 :復合材料的磨損量上升,納米級粒子填充的復合材料較微米粒子填充的復合材料耐磨性能要好。
  9. The dependence of oxygen precipitation and induced - defects in heavily as - doped silicon on heat treatment process was studied by annealing and ig process, chemical etching, scanning electron micrograph ( sem ) and transmission electron microscopy ( tem ). a developed ig technique was suggested and the mechanism of the influence of as on oxygen precipitation formation in heavily as - doped silicon was discussed

    本文通過化學腐蝕、光學顯微鏡、掃描電鏡( sem ) 、透射電境( tem )等分析技術,對重摻砷硅單晶在單步退火工藝和內吸雜退火工藝中氧沉澱及誘生缺陷的形態,形核與熱處理溫度、時間的關系等進行了研究。
  10. The specific capacity and applications of environmental scanning electron microscopy

    環境掃描電子顯微鏡的特性及應用概況
  11. There are many methods to investigate domains, such as polarization microscopy, scanning electron microscopy, transmission electron microscopy, scanning electron acoustic microscopy and so on. however, these methods suffer from some serious disadvantages involving complex sample preparation, damage to sample, low resolution

    現有的鐵電疇檢測手段,如偏光顯微鏡、粉末花樣技術、掃描電鏡、透射電鏡、掃描電子聲顯微鏡等存在這樣或那樣的缺點:諸如制樣繁瑣、易破壞原始疇結構、或疇結構成像解析度還不夠高等。
  12. A reliability experiment of thermal aging was carried out for the two types of joints, scanning electron microscopy, energy dispersive x - ray spectrometer and micro x - ray diffractomer were adopted to investigate the interfacial evolution behavior of joints, and kinetics model of imc formation was established. the results show that imc growth follows the parabolic law as a function of aging time at certain aging temperature, imc growth is more sensitive to the aging temperature than the aging time, the activation energy of cu - al imc growth is 97. 1kj / mol and the major forming cu - al imc are cual2 and cu9al4, the activation energy of au - al imc growth is 40. 1kj / mol and the main au - al imc are au4al and au5al2, with au2al and aual at the interfacial periphery of joints, the rate of cu - al imc growth is about 1000 times slower than that of au - al imc, and kirkendall voids and cracks are easily appeared during thermal aging in gold ball bonds while voids and cracks are absent in copper ball bonds even after aging at 200 for 2900 hours and 250 for 169 hours

    研究結果表明:金屬間化合物厚度與老化時間的關系符合拋物線法則,金屬間化合物的生長對老化溫度比老化時間更加敏感; cu - al金屬間化合物生長的激活能為97 . 1kj / mol ,老化后金屬間化合物呈層狀分佈,主要相為cual2和cu9al4 ; au - al金屬間化合物生長的激活能為40 . 1kj / mol ,主要相為au4al和au5al2 ,同時在界面周邊區域生成了au2al和aual ;老化過程中cu - al金屬間化合物生長速率比au - al金屬間化合物生長速率小103數量級;金絲球鍵合點200老化96小時出現了明顯的kirkendall空洞和裂紋,但銅絲球鍵合點200老化2900小時和250老化169小時都沒有形成空洞和裂紋。
  13. The cenosphere particles were characterized with optical microscope, field emission scanning electron microscopy ( fesem ), energy - dispersive spectroscopy ( eds ) and x - ray diffraction ( xrd ) in and after the plating

    用光學顯微鏡、場發射掃描電子顯微鏡、能譜儀和x射線衍射儀對其進行了分析表徵。
  14. Although this book deals, in the main, with the now well established techniques of analysis in conventional tem, a brief treatment is also given of further techniques of defect analysis such as high voltage electron microscopy ( hvem ) and scanning transmission electron microscopy ( stem ) this treatment is by no means detailed but is included to show that the subject is still developing in an exciting and challenging way

    雖然這本書主要講述目前公認的常規tem分析技術,對于進一步的缺陷分析技術比如高壓電子顯微鏡( hvem )和透射電子顯微鏡法( stem )的簡單的處理也是有的,但是這種處理並不詳盡,只是列舉了在令人振奮和富有挑戰性的發展中課題中暴露出來的問題。
  15. The corrosion behavior of nanocrystalline ( nc ) copper bulks with various grain sizes prepared from igc ( inert gas condemsation ) and vacuum annealing in comparison with conventional microcrystalline ( mc ) copper ( as - rolled and electrolytic ) in acid copper sulphate solution and neutral solution containing chlorides under free corrosion conditions and anodic polarizations has been studied using potentiodynamic polarization, potentiometric analysis, cyclic voltammetry and electrochemical impedance spectroscopy. x - ray diffraction was used to estimate the grain size of the annealed nc copper. field emission gun scanning electron microscopy and x - ray energy - dispersive spectroscopy was used to characterize the surface morphology and analyze the surface composition after the polarization and potentiometric test of both nc and mc copper

    本文研究了用igc (惰性氣體蒸發凝聚原位溫壓法)制備並真空退火到不同晶粒尺寸的納米晶銅和微米晶銅(冷軋紫銅、電解銅)在酸性硫酸銅溶液和中性含氯溶液中,在自腐蝕狀態和陽極極化狀態下的腐蝕性能。使用了動電勢極化、電位測定、循環伏安法( cv )和電化學阻抗譜( eis )等方法。 x -射線衍射( xrd )的方法用來估算納米晶銅晶粒尺寸。
  16. There was no difference in other biologic characteristic of mscs between the two separation method, such as cell anchorage ratio and clone formation ratio. ( 2 ) plga film presented uniformity frame with no protuberance and fissure under scanning electron microscopy ( sem ). big aperture with smooth wall and average 400 m i n size running - through each other was observed in porous plga substrate, around the big aperture there were many round micropores about 5 m size. all of the structure were equal and uniform, which satisfied the further research work. ( 3 ) mscs adhesion at earlier time was promoted by biotiegenrafter 3h, cell number was ( 1. 5 0. 18 ) 105 in the plga film coated with biotiegen group, which was significantly higher than that in plga film group ( p < 0. 01 ) and higher than that in coverslip group ( p < 0. 05 ), which cell number was ( 1. 04 0. 21 ) 105. after 6h and 12h biotiegen could not promote cell adhesion, and cell proliferation and alkaline phosphatase ( alp ) activity were not promoted dramatically during 9 days. ( 4 ) cell adhesion was promoted by fibronectin or collagen type i

    G ) i型膠原、纖維粘連蛋白促進細胞增殖,細胞接種后3 、 6 、 gd三個檢測時間點,實驗組細胞均明顯高於對照組。與1型膠原相比,纖維粘連蛋白刺激作用更強。 ) i型膠原、纖維粘連蛋白尚能誘導mscs細胞向成骨細胞分化,不僅表達成骨細胞標志物ocn 、 alp 、 opnmrna ,而且堿性磷酸酶活性明顯增高,堿性磷酸酶及鈣結節7第四軍醫大學博士學位論文一染色均強陽性, i型膠原組mscs細胞堿性磷酸酶活性較fn組更高,有顯著性差異;同時,兔疫組化染色表明,經纖維粘連蛋白作用的mscs1型膠原表達陽性。
  17. This study was focused on the occurrence characteristics of the cryptomelane - bearing ores and the mineralogical characteristics of natural cryptomelane. the morphology, chemical and structure features of natural cryptomelane were characterized by means of powder x - ray diffraction, scanning electron microscopy, electron probe microanalyzer, energy dispersive spectrometer and x - ray fluorescence

    利用x -射線粉晶衍射掃描電鏡電子探針電子能譜和x熒光光譜對天然錳鉀礦的形貌特徵化學成分結構特徵進行研究,結果表明天然錳鉀礦晶體形態主要為針狀纖維狀,沿
  18. Again, because the ion influx technique have a little damnification on the skin - deep structure for the cdte thin films, among the experiment, we have let the doped cdte thin films be annealed a hour with n2 atmosphere at 500, and then slowly cooled until the room temperature. via the test and analyse, heat treatment has very important effect on the comeback of crystallattice surface disfigurements. finally, the films were characterized by x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), ultraviolet visible ( uv ) and the hall effect measurement

    再次,由於離子注入會對薄膜表面的結構造成損傷,本實驗把被注入離子的cdte薄膜在n2氣氛中500下退火1個小時,然後緩慢冷卻至室溫。經測試分析,熱處理對晶格表面缺陷的恢復有很重要的作用。最後,利用xrd 、 sem 、紫外可見分光光度計及hall測試系統研究其結構,表面形貌和光電性能。
  19. Restriction fragment lenth polymorphism ( rflp ) analysis n random amplified polymorphic dna analysis [ rapd ], the sequence analysis of internal transcribed spacers ( its ) of ribosomal dna ( rdna ), induction of microcyclic conidiation, sem ( scanning electron microscopy ) ascosporal isolation and other methods were applied to study more than 100 specimens or isolates of cordyceps, its anamorphs and other entomogenous fungi

    本文採用了rapd 、 rdnaits的rflp 、 rdna的its序列分析、誘發微循環產孢、掃描電鏡觀察、子囊孢子分離等方法研究了蟲草及其他蟲生真菌的100多個標本或菌株。
  20. Applications of environmental scanning electron microscopy in technical textiles research amp; amp; development

    在產業用紡織品開發研究中的應用
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