scanning electron microscope (sem) 中文意思是什麼

scanning electron microscope (sem) 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。
  • electron : n. 【物理學】電子。 the electron beam 電子束。 the electron theory 電子(學)說。
  • 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...
  • sem : SEM =scanning electron microscope 掃描電子顯微鏡。
  1. The results of x - ray photoelectron spectrum ( xps ) demonstrated the ce ions in pure phase ce : yig ( x < 0. 2 ) were in the state of trivalence. scanning electron microscope ( sem ) analysis showed conglobation of yig and ce : yig particles, whose size were smaller than 1 urn

    Xps的分析結果顯示單相ce : yig ( x 0 . 2時)中ce離子是以正三價的狀態存在,這與物相分析結果是一致的。
  2. Tensile properties and impact properties measurements were done at room temperature. the volume resistivity of rectangular samples was measured using a zc36 electrometer and a high 240a voltage supply, for samples with a low resistivity level a dt - 9205b digital multimeter was used, silver paint was applied to ensure complete contact between sample and electrodes, namely, to eliminate the contact resistance. the phase morphology of blends was also studied using a jeol jsm - 5900lv scanning electron microscope ( sem )

    體積電阻率的測定:當r _ v 10 ~ 8時,製成100 100 4mm板材,用zc36型高阻儀測量;當r _ v 10 ~ 8時,用dt - 9205b型數字式萬用表測試試樣的體積電阻,為了減小接觸電阻對測試的影響,採用銀導電膠將銅片粘接在試樣的兩個端面上,靜置24小時,待銀導電膠凝固,試謝長瓊:熱拉仲對pet / pe / cb復合導電體系形態和性能的影響樣的電阻穩定后再測量。
  3. The aim of this work is to have a better understanding of the structure, differentiation and phylogenetic relationship of the tribe hyoscyameae in the solanaceae using evidence from leaf epidermis, seed morphology, palynology, embryology, floral organogenesis, trnl - f and its sequences, and plant geography. the results are summarized as follows : 1. leaf epidermis leaf epidermis of 21 species in seven genera of the tribe hyoscyameae and four species in four related genera was investigated under both light microscope ( lm ) and scanning electron microscope ( sem )

    解剖學在光學顯微鏡和掃描電鏡下,觀察了茄科天仙子族( hyoscyameae ) 7屬21種及鄰近4屬4種共25種植物的葉表皮特徵,結果表明:氣孔器在各種植物的上、下的表皮均有分佈,多為無規則型,也有不等細胞型;葉表皮細胞形狀有不規則形、十字形、近長圓形和不規則多邊形,垂周壁較平直或各種波狀。
  4. Various types of techniques have been applied to study the main principle problem. these techniques involve petrography, x - ray diffraction ( xrd ), scanning electron microscope ( sem ), carbon isotope, cathodoluminescence ( cl ), fluid inclusion, and epoxy - resin casts

    論文中所用的分析原理與技術方法包括:層序地層學分析、 x -衍射、掃描電鏡、穩定同位素、陰極發光、流體包裹體與染色鑄體薄片等。
  5. Calculated the open pore rate, porosity and average leaching time. photomicrograph of representative porous microstructure of matrix were taken by scanning electron microscope ( sem )

    計算平均開孔率、空隙率、氯化鈉瀝清時間,並進行支架表面與內部孔徑和空隙開放情況的掃描電鏡觀察。
  6. The article primarily described the preparation technology and function token of ceramic fiber composite microporous membrane. which main include : the choices of ceramic fiber, the preparation and dispersion of ceramic fiber which the rato of long path can be controlled, preparation technology and function of the microporous ceramic support, the chemistry constitutes of the ceramics fiber composite membrane and the influence of the every kind of factor on the membrane function, the vacuum forming technology of ceramics fiber composite and the influence of the every kind of factor on the membrane function, and the microstructure of the ceramics fiber composite microporous membrane was analysised by the scanning electron microscope ( sem )

    本文主要描述了陶瓷纖維復合微濾膜的制備工藝及性能表徵,其中主要包括:陶瓷纖維的選擇、可控長徑比的陶瓷纖維制備及分散工藝、陶瓷纖維膜支撐體的制備、膜組分配方及各組分配比對材料性能的影響、陶瓷纖維膜的真空抽濾成型工藝及各工藝參數對膜材料性能的影響等,並對陶瓷纖維復合微濾膜的顯微結構進行了掃描電鏡分析。
  7. ( 2 ) the images of aam were characterized by scanning electron microscope ( sem ), transmission electron microscope ( tem ) and atom force microscope ( afm ). the results indicated that pores in the as - prepared aam templates owned nearly the same diameter, parallel arrangement, huge density and formed nano - pore arrays

    ( 2 )用sem 、 afm和tem等分析方法對aam的形貌進行了表徵,結果表明:制得的aam中含有大小均勻一致、排列規整、密度較大的納米孔陣列,為模板-電沉積法制備cdse納米線陣列奠定了良好的基礎。
  8. The microstructure of ceramic tiles undergoing different temperatures in fire scene was analyzed using scanning electron microscope ( sem )

    摘要應用掃描電子顯微鏡對經歷不同火場溫度和冷卻方式的釉面內墻磚的顯微結構進行了觀察和分析。
  9. Scanning electron microscope ( sem ) and x - ray photoelectron spectroscopy ( xps ) studies indicated that the additive of cs _ 2 took part in the sei film - forming in the process of battery cycles. the elements of carbon, oxygen and fluorin are the main members in the compounds of sei film. sulfur is also one of the main elements of the sei film when the electrolyte included additive of cs _ 2

    利用掃描電子顯微鏡和x射線光電子能譜研究表明,二硫化碳在電池的循環過程中參與了sei膜的形成, sei膜的組成物質中主要是c 、 o 、 f三種元素,加入二硫化碳后, s元素也成為主要組分, sei膜的主要組成物質有烷基氧鋰、烷基碳酸酯鋰、碳酸鋰、硫酸鹽、聚烯烴及氟化鋰等。
  10. A series of experiments were conducted on the salivary gland of female haemaphysalis longicornis neumann, including salivary gland structure, protein concentration and components, na k - atpase activity, as well as their variation during different developmental stages, especially the effects of juvenile hormone analogue farnesol on the structure and secretion of salivary glands, by scanning electron microscope ( sem ), bradford method, sds - page, enzyme microanalysis, topical application etc. the present research will provide foundation for deeply investigations on the important organs in the future

    本文以廣泛分佈於我國的長角血蜱haemaphysalislongicornisneumann為研究對象,利用電鏡技術、 bradford法、 sds ? page和na ~ - 、 k ~ - - atpase活性微量檢測法等現代生物學技術對其唾液腺結構、蛋白含量和成分、 na ~ - 、 k ~ - ? atpase活性及其動態變化,特別是保幼激素類似物法尼醇對唾液腺結構與分泌活性的影響進行了較系統地研究,為深入開展蜱類唾液腺研究提供依據。
  11. In accordance with coal sample observation by scanning electron microscope ( sem ) and researches based on such subjects as anthracology, tectonic geology and material mechanics, the endokinetic fractures in coal are further classified into dewatering fractures, condense fractures and static pressure fractures, while the exogenetic fractures are further divided into tensile fractures, pressure fractures, shrink fractures and slack fractures, consistent with the development regularity of the geometric shapes, sizes and arrangement of fractures

    摘要分析、歸納了大量的掃描電子顯微鏡觀測結果,以煤巖學、構造地質學研究?基拙,依鋸煤中顯微裂隙的形態、大小、排列組合等發育特徵,將內生裂隙進一步劃分?失水裂隙、縮聚裂隙、靜壓裂隙,將外生裂隙進一步劃分?張性裂隙、壓性裂隙、剪性裂隙、鬆弛裂隙。
  12. Super - micro - powder were observed throuth scanning electron microscope ( sem ) to find character under microscope to have been dismissed ; differrential thermal analysis ( dta ) print has been tested to distinguish rhizoma polygoni cuspidati and the root of differential thermal analysis, dta macleaya cordata ( willd. ) r. br. [ bocconia cordata willd ] among its components, such as emodin, chrysophanol, falacinol, citreorosein, questin, questinol, polydatin ( resveratrol - 3 - 0 - ? - d - glucoside ) and anthraquinone have been tested to be the main activator

    針對目前市場上存在著虎杖藥材質量不穩定,生產及臨床實踐中虎杖制劑的質量難以控制等問題,我們在對虎杖進行文獻查閱、產地考察和市場調查的基礎上,考察了藥材產地等主要因素對虎杖質量的影響。
  13. Ae signals released from different lay - ups composite specimens were acquired by a wideband transducer, and fracture surfaces of the specimens were observed by scanning electron microscope ( sem )

    寬帶傳感器記錄了不同角度纖維鋪層的復合材料試樣在拉伸破壞過程中的聲發射信號,用掃描電子顯微鏡( sem )觀察了試樣的幾種典型的損傷破壞斷面,對比分析了不同類型的損傷機制。
  14. Scanning electron microscope ( sem ) and energy dispersive spectrum ( eds ) have been used to observe the coating surface and analyze the composition

    通過sem 、光學顯微鏡觀察鍍層表觀形貌及其熱振試驗對鍍層性能進行了表徵。
  15. The spores of 7 species in bartramiaceae from china were observed by light microscope ( lm ) and scanning electron microscope ( sem )

    摘要作者通過光學顯微鏡和掃描電鏡觀察了7種珠蘚科植物的孢子。
  16. The tio2 / sio2 particle was characterized with scanning electron microscope ( sem ), infrared spectroscopy and xps. it could be saw from the photo of sem that the compounding particle was still spherical, and there were some tio2 on the surface of sio2 particle. ti - o - si was formed between tio2 and sio2, and this was confirmed by ft - ir analysis

    並運用掃描電鏡、紅外光譜和xps等檢測手段對其進行了表徵和測試,從復合粒子的掃描電鏡照片中可以看出,復合粒子仍為球形,表面包覆一層tio _ 2 ,與載體氧化硅粒子相比,粒徑變化不大;其紅外光譜表明, tio _ 2與載體sio _ 2粒子表面有ti ? o ? si鍵生成,這表明tio _ 2與sio _ 2粒子表面有較強的結合力。
  17. Polaride microscope and scanning electron microscope ( sem ) were used to study the molecule texture and the polymer network structure. the paper had compared the difference between the polymer of the traditional polymer network liquid and the egdmma polymer and analyzed the polymerization mechanism

    採用正交偏光顯微鏡和電子掃描電鏡研究了聚合物網路形貌和結構,比較了傳統的聚合物網路穩定液晶中聚合物的差異,並分析了聚合機理。
  18. The effect of growth parameters on the morphology, structure and chemical compositon of sic whiskers have been characterized by x - ray diffraction ( xrd ), scanning electron microscope ( sem ), energy dispersive x - ray spectroscopy ( eds ) and transmission electron microscope ( tem )

    運用x射線衍射( xrd ) 、掃描電子顯微鏡( sem ) 、電子能量色散譜( eds ) 、透射電子顯微鏡( tem )等表徵手段,系統研究了工藝參數對sic晶須形貌、結構和化學成份的影響。
  19. I. spore morphyology spore morphology of 43 species in athyriaceae from china was investigated under light microscope ( lm ) and scanning electron microscope ( sem ). the 43 species include 14 species in the genus dryoathyrium and lunathyrium ningshenense, 17 species, 3 varieties and 1 hybrid in the genus lunathyrium, 11 species and 1 variety in the genus athyriopsis

    1 、孢粉學的研究本文採用光學顯微鏡和掃描電子顯微鏡對國產43種、 4變種和1雜種植物孢子進行了系統的觀察和研究,其中包括14種介蕨屬和寧陜蛾眉蕨,蛾眉蕨屬17種、 3變種和1個雜種,假蹄蓋蕨屬11種1變種。
  20. The composites with different compatibilizers and nano - sio2 content were characterized by means of mechanical testing, differential scanning calorimetry ( dsc ), x - ray diffraction ( xrd ), fourier transformation infra - red spectroscopy ( ft - ir ), transmission electron microscope ( tem ), scanning electron microscope ( sem ), etc. the relation between the structure and property of the composites was discussed in this thesis

    研究了不同增容劑、納米sio _ 2含量對復合材料的沖擊強度、拉伸強度等力學性能;並利用差熱掃描量熱分析( dsc ) 、 x射線衍射譜( xrd ) 、紅外吸收光譜( ir ) 、掃描電鏡( sem )等分析,討論了復合材料結構與性能的關系。
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