sem 中文意思是什麼

sem 解釋
SEM ＝scanning electron microscope 掃描電子顯微鏡。

  1. The author conceptualized and measured the following variables : time perspective ; the coping style ; reduced harm internet use self - efficacy ; positive peer involvement ; moderate parents involvement ; the totality of internet use and the score of functions. after the research used the structure equation model ( sem ) to fit the collected data, the following pathways were demonstrated at the significant level : 1, the time perspective present ( tpp ) piu. 2, tpp abreaction piu

    通過時間透視、應對策略、減少傷害性的網際網路效能感、積極同伴捲入、適度父母捲入、網路（使用）總量、功能分數的界定與測量，該研究使用結構方程模型擬和數據后發現下列路徑對piu具有明顯的預測作用：現在定向piu ；現在定向發泄piu ；現在定向問題解決piu ；現在定向同伴捲入piu ；現在定向同伴捲入功能分數piu ；未來定向問題解決piu ；未來定向父母捲入piu ；未來定向發泄piu 。
  2. Evaluating effects to parlygorskite organising modification by x - ray, tem, sem, ir, viscidity analysis etc. contrasting organising modification effects of parlygorskite original ore and acidified palygorskite, the result shows wd - 51 modification agent has better modification effect to acidified pargorskite than parlygorskite original ore

    對比了用wd - 51對坡縷石原礦和酸化坡縷石進行有機化改性處理的改性效果，表明wd - 51對酸化坡縷石的改性效果要好。
  3. After several years development, sem. test gets our independent standardized laboratory recognized by the authoritative certification institution of tuv rhineland timco engineering and ul etc. the founding of sem. test compliance is to apply professional product emc, rf, safety and rohs testing and certification service for product quality meeting the standard s requirements

    3 .先進的實驗設備sem . test測試設備來自專業的世界知名品牌，主要有美國agilent ， hp ， ketherly ，丹麥k b ，德國r s和中國的aino系列品牌，為測試的精確性提供可靠的數據保障。
  4. The effects of povidone - iodine and isothiozolone on the phaeocystis globosa ' s chlorophyl, protein and sod enzyme were studied, and the modality of the algae cell was observed by sem to understand the extinguishing mechanism of algaecide

    摘要通過研究碘伏和異噻唑啉酮對球形棕囊藻葉綠素、蛋白質和超氧物歧化酶（ sod ）的影響，並使用掃描電子顯微鏡觀察棕囊藻的形態結構的破壞情況，初步探討了這兩種除藻劑單獨作用和復配使用時滅殺球形棕囊藻的機理。
  5. Studies on the micromorphology of leaf epidermis of the genus aspidistra under sem

    蜘蛛抱蛋屬植物葉表皮微形態的掃描電鏡觀察
  6. The diffusion welding behavior of single - crystalline cu to single - crystalline - aio with a nb film interlayer and the joint microstructure properties were studied by tem, sem / eds analyses and four - point bend testing. the nb film interlayer deposited by electron beam evaporation on the ceramic side prior to diffusion welding was found to be olycrytalline and fiber - textured after diffusion bonding, with the close - packed plane ( 110 ) being parallel to the ( 0001 ) basal plane of - aio

    擴散連接技術是一門邊緣科學，涉及材料、擴散、相變、界面反應、接頭應力應變等各種行為，工藝參數多，雖然已經進行了大量的試驗研究，但卻對各種材料的連接機理尚未有明確的認識，為此人們試圖藉助于計算技術，對接頭行為進行數值模擬，以便找到共同規律，對擴散連接過程及質量進行預測與實時控制。
  7. 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。
  8. It focuses on the theory of the mineral functional materials " improving the anti - chloride permeability and the chloride binding. the main achievements of this article include : 1 ) use the technology of xrd, sem, bet, laser particle size distributor etc to test the component, the construction, particle size distributor, specific surface etc of micro - silica, ultra - fined slag, high quality fly ash, meta - kaolin clay, four types of the mineral functional material, theoretically analysis the functions which the four mineral functional minerals act on cement concrete, namely pozzolanicity effect, filling effect, micro - aggregate effect, surface adsorption effect and so bring into play the affect of plastification, lowing of temperature, reinforcement, improvement of durability. base on this analysis we can conclude that the proper diameter of the mineral functional material is 5 m - 15 m, that is blain fineness 4500cm2 / g - 7500cm2 / g

    本論文的主要成果包括以下幾個方面： （ 1 ）採用xrd 、 sem 、 bet 、激光粒度分析儀等多種測試手段，探明了以硅灰，超細磨粒化高爐礦渣，優質粉煤灰及偏高嶺土超細粉等4種超細礦物功能材料的組成、結構、粒度分佈、比表面積等基本性質；從理論上分析了礦物功能材料在混凝土中的4種效應，即火山灰效應、填充密實效應、微集料效應、表面吸附效應，並由此發揮出增塑、溫峰削減（降熱） ，增強及耐久性改善等作用；通過相關理論分析，推導出礦物功能材料的合理粒徑范圍在5 m 15 m ，即勃氏比表面積為4500cm ~ 2 g 7500cm ~ 2 g 。
  9. 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。
  10. There is no dissociative ch and bigger porosity existing in hardened mortar, depended on the testing results of xrd and sem, and this entire characteristic expresses its excellent anti - penetrability and durability

    Xrd 、 sem檢驗結果表明硬化砂漿中沒有游離的caph人存在，結構緻密，預示其有好的抗滲性能和耐久性能。
  11. By the methods of epn ( electronic probing needle ) 、 sem and xed, the formation mechanisms of the wear - resistant composite layer are studied, the results indicated that, molten iron has infiltrated into the alloying layer under capillary action. this caused ht powder, whose fusion point is low relatively, to be surperheated and formed a surface composite layer

    利用電子顯微鏡及x射線衍射等試驗方法，研究了復合層形成機理，研究表明，復合層是在毛細力作用下，鐵液被吸入合金層中，致使低熔點ht粉過熱熔化而形成的，並與母材是冶金結合。
  12. We can see from the photos of the sem that the diameters of the powers of this tree land of materials obtained by the system of trion x - 100 / caprylic alcohol / cyclohexane / water are about 20 nm. by means of uv - vis, atomic absorption spectrometry and so on, nanoparticles of this three kind of anode materials are synthesized

    利用trionx - 100 /正辛醇/環己烷/水反膠束體系制備出三種物質的粉體，掃描電子顯微鏡照片顯示粒子的粒徑在20nm左右，分佈均勻；此外還利用uv - vis 、原子吸收光譜等測試手段，都表明合成出了三種正極材料的納米粒子。
  13. 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。
  14. The tem shows lots of nano silica particles circumfuse on the surface of the micro fe particles after the micro fe coated by silica. the sem analysis shows the same result. the vsm shows the micro fe particles have almost no remnant magnetism and coesive. the saturation magnetization decrease with the feed content of teos remenant magnetization and coesive are little

    隨著teos的投料的增加，材料飽和磁化強度呈下降趨勢，微米粒子磁化曲線通過原點，表面包裹后，剩磁與矯頑力變化很小對于微米鐵粉，其磁疇變化較快，沒有剩磁與矯頑力。
  15. In this thesis, in order to reducing the amount of the pt catalyst, improving the electrocatalytic activity of the pt catalysts and utilization ratio of pt, the electrochemical codeposition method by cyclic voltammetry ( cv ) was used to prepare a series pt / moox / glassy carbon ( gc ) composite electrodes with high dispersibility. the composite electrode, pt / moox / gc, was characterized to study its composition and its electro chemical behavior by cv. using the xrd and sem techniques, the size and the dispersion degree of the catalyst particles were studied in presence or absence of moox in the catalyst

    為了降低主催化劑pt的用量、提高pt的活性和利用率，本論文利用循環伏安法共沉積制備高分散的pt moo _ x催化劑顆粒，利用循環伏安電化學表徵、 xrd和sem技術研究了引入moo _ x后的催化劑即pt moo _ x顆粒的粒子大小、分散狀態；利用icp - aes定量分析pt moo _ x催化劑顆粒的組成含量；並藉助于電化學方法分別評價了pt moo _ x gc電極催化劑的對甲醇的電催化活性和穩定性、氧還原電催化活性。
  16. By means of modern testing instrument such as xrd, sem, hydration token and structure of hardened mortar are analyzed and condign production parameters are obtained

    應用x衍射儀、掃描電鏡等現代測試手段，分析了硬化砂漿的水化特性、結構。提出了普通干拌砂漿適宜的生產工藝參數。
  17. An epoxy anti - corrosive paint was prepared with polyaniline doped sulfosalicylic iii abstract acid as anti - corrosive agent. the phase texture of fracture surface on the coating was observed by sem. the results showed that granulated polyaniline formed crossing network in the coating, so the coating is well conductible

    採用磺基水楊酸摻雜聚苯胺與環氧樹脂共混制備防腐塗料，掃描電鏡研究結果摘要表明，聚苯胺是以連續的網狀結構在復合物中形成導電通路，從而保證塗層具有良好的導電能力。
  18. 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。
  19. Techniques, and their physico - chemical parameters such as specific areas, particle size distributions and diffusion coefficients are measured by the bet method, laser scattering technique and galvanostatic intermittent titration technique ( gitt ), respectively. sem photographs show that these samples are made up of the irregular porous granules, which are conglobated by many small spherical crystals

    溫度助p 』 c賊品中有明顯的尖晶石相雜質，充放電曲線表現出3v和4vmglz臺，而焙燒溫度在sic 』 c以下的樣品充放電曲mn有一個3v平臺，充放電循環過程中沒出現明顯的3v平臺向4v平臺轉化的現象，表明該樣品在循環過程中結構是愧箍淀的。
  20. 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。
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