顯微分凝 的英文怎麼說

中文拼音 [xiǎnwéifēnníng]
顯微分凝 英文
microsegregation
  • 顯 : Ⅰ形容詞1 （明顯） apparent; obvious; noticeable; evident 2 （有名聲有權勢的） illustrious and inf...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 凝 : 動詞1. （凝結） congeal; curdle; coagulate 2. （注意力集中） fix
  • 顯微 : microadiography
  1. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後，本文還對絮凝動力學和絮體結構進行了研究，在前人研究的基礎上，針對高分子絮凝黃河泥沙，對絮凝過程作了一些符合試驗條件的假設，建立了顆粒碰撞頻率表達式，應用了顆粒數量平衡方程，從而建立了絮凝過程的動力學生長模型，模型計算結果與試驗數據對比表明，二者趨勢一致，在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程；對絮體結構的研究中，應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察，將絮體分為絮粒、絮團和絮網三個不同的生長階段，通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體，建立了絮體結構模型，計算得到的模型絮體分形維數基本與試驗中的實際絮體相符，在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  2. It was observed respectively by optical microscope and sem ( scanning electron microscope ) that bacteria, filamentous fungi, protozoan and metazoan were adhered on the surface of the sludge, and the microorganism of the floe in the forms of micro - colones

    光學顯微鏡和掃描電子顯微鏡觀察發現，污泥表面附著有各種球菌、桿菌、絲狀菌以及原、後生動物，凝絮體中微生物以微群落形式分佈。
  3. The composition of sample was identified by means of x - ray diffractometer ( xrd ). magnetic properties were measured by vibrating sample magnetometer ( vsm ). the combustion behavior and crystallization process of the gel were studied by means of differential thermal analysis - thermogravimetric analysis ( dta - tg )

    利用x射線衍射儀（ xrd ）確定樣品物相，振動樣品磁強計（ vsm ）進行磁性測量，綜合熱分析儀研究凝膠的燃燒和析晶過程，掃描電子顯微鏡（ sem ）和透射電子顯微鏡（ tem ）觀察粉末的形貌與粒度。
  4. The microstructure of the as - cast mg - zn - y alloys are analyzed by optical microscope and sem, composition and phases are checked by eds, the constituent phases are identified by xrd and quasicrystal structure is identified by tem

    用金相顯微鏡和sem分析低zn和低y含量普通凝固鎂合金組織形貌； sem和eds分析合金和凝固組織中各相的成分； xrd分析凝固組織的相組成； tem確定準晶的結構。
  5. By sds - page and immuno - blotting, the monoclonal antibody of anti - chick brain cytoplasmic dynein intermediate chain could recognize the 67 kda protein in purified golgi apparatus fraction from lily pollen. subsequently by immuno - gold labeling and transmission electron microscopy, we found that the dynein intermediate chain - like protein bound mainly to the membranes of golgi - associated vesicles. statistics analysis of dynein intermediate chain - like protein on golgi - associated vesciles showed the nearly equal chance of distribution on either cis - or trans - golgi - associated vesciles

    對分離純化的百合花粉及花粉管中高爾基體組分進行sds -聚丙烯酰胺凝膠電泳和免疫印跡發現，抗雞腦細胞質力蛋白中間鏈單克隆抗體在67kda處有較強的免疫交叉反應；進而通過免疫金標結合電子顯微鏡觀察發現，大多數類細胞質力蛋白中間鏈存在於高爾基體附近的囊泡膜上；統計結果表明，類細胞質力蛋白中間鏈在順面和反面高爾基體附近囊泡膜上的分佈機率大致相等。
  6. The major performances of concrete and mortars, which are mixed with different quantities of expansion admixtures under the same mix proportions, are studied systematically and deeply in this work. sulphoaluminate mixed with a type of new expanding component by use of the composite methods are studied in the laboratory, and some achievements have been obtained. the service conditions, the characteristics and the shortcomings of expansion admixture in the concrete engineering are analyzed and summarized based on literatures, and the expanding mechanism of concrete is discussed

    本文試圖從膨脹劑不同摻量研究其對混凝土和砂漿主要性能的影響，進行了一系列宏觀力學性能試驗研究；利用差熱分析（ dta ） 、掃描電子顯微鏡（ sem ）等分析手段對鈣礬石等水化產物的結晶和生成量、形貌特徵進行微觀分析；並採用復合方法摻加新型膨脹組分對硫鋁酸鹽類膨脹劑（ uea ）進行了改性試驗研究，根據多因素模糊綜合評價方法就各類膨脹劑的主要性能進行綜合評價，得出摻加新型膨脹組分pt的膨脹劑性能較優，取得了明顯的效果。
  7. In this paper, the contrast of original image is enhanced by nonlinear transformation based on the characteristics of grain image ; after comparing several methods of threshold segmentation and analyzing their performance and applicability on grain image, the adaptive threshold segmentation based on gradient image is presented ; the noise of binary image is reduced with morphological filter, the hollow in binary image is filled in and a recognition algorithm is designed to remove agglomerate particle ; on the basis of mathematical morphology two methods are adopted to segment agglomerate grains that are not agglomerated tightly ; the parameters of size and shape, perimeter, area, diameter, complexlity, longest feret diameter, shortest feret diameter etc, are extracted. this technique is applied in measurement of pearl powder ' s particle size

    本文根據粒度圖像的特點，採用非線性對比度增強處理改善顆粒顯微圖像的對比度；對多種閾值分割方法進行比較，分析了它們的性能和用於粒度圖像的適用性，在此基礎上提出了一種基於梯度圖像的動態閾值分割方法；對獲取的顆粒二值圖像進行形態濾波和空洞填充，設計了識別演算法去除凝聚體；對重疊不太嚴重的粘結顆粒採用了兩種基於數學形態學的分割演算法；提取了周長、面積、粒徑、復雜度、最長feret徑、最短feret徑等大小和形狀特徵參數，對珍珠粉等粉體粒度進行了測量。
  8. The hydration theory and the structure forming of hplc are analyzed through xrd, sem, edxa, and the analysis of pore structure, micro hardness. the model of the interface structure between lightweight aggregate and harden cement paste is divided into 4steps, which are penetrating, hydrating and hardening, diffusing of moisture and ion, forming of optimal interface structure, and the ideal structure model of lightweight aggregate is built

    採用xrd 、 sem 、 edxa 、孔結構分析與顯微硬度技術分析了高性能輕集料混凝土的水化硬化機理及結構形成過程，把輕集料與水泥石之間界面結構形成過程分為滲透、水化硬化、水分遷移與離子擴散、界面結構優化四個階段，提出了輕集料與水泥石之間的界面結構模型和高性能輕集料的理想結構模型。
  9. The aging properties of lead metaniobate piezoelectric ceramics have been investigated. the result indicated that the additives accumulate in grain boundary caused the material having good aging properties

    對偏鈮酸鉛壓電陶瓷的老化性能作了一些探討，實驗表明，摻雜改性后的偏鈮酸鉛顯微結構發生了變化，晶界處有雜質分凝使得該材料老化性能好。
  10. With the reference of many relevant materials, the author prepared a fined molybdenum disulfide powder with a average size of 800nm by ball milling, and a nano - copper with average size of 30nm in micromulsion solution method, and synthesized surface - modified titanium dioxide nanoparticles with average size of 40nm in organic media via sol - gel method. the tribological performances of three particles were studied by universal test as well, with the result of fined molybdenum disulfide powder with good reducing wear and antiwear performance at low load, nano - copper with good reducing wear and antiwear performance at high load, surface - modified titanium dioxide nanoparticles maintaining stable reducing wear and antiwear performance from low load to high load due to its characteristics of organic and inorganic nanocomposite. the results indicate that the nanocomposite is the most perspective oil additive. the reducing wear and antiwear mechanism of nano oil additive was studied with in - situ tribochemical principle. nano additives possess broadly developing prospect with its above - mentioned performance

    在參閱了大量文獻的基礎上，分別採用了球磨法、微乳液法、溶膠?凝膠法制備了超細二硫化鉬、納米銅粒子、表面修飾納米二氧化鈦，經原子力顯微鏡測試，獲得的超細二硫化鉬的粒度平均在800nm以內，納米銅粒子平均粒度約為30nm ，表面修飾納米二氧化鈦平均粒度約為40nm ，在萬能摩擦磨損試驗機上測試了三種粒子的摩擦學特性，結果表明：在合理的添加濃度范圍內，超細二硫化鉬在低載時具有優良的減摩抗磨性能，納米銅在高載時具有比較好的減摩抗磨性能，表面修飾二氧化鈦粒子因具有有機與無機復合物的特性，從低載到高載都保持穩定的減摩抗磨性能。
  11. The temperature from amorphous to crystal of tungsten oxide sol - gel films with catalyst is increased and the reason is in studying. as results of tunnel scan - afm, both pt sputtered tungsten oxide films and pt sputtered tungsten oxide sol - gel films there is distinct and out - of - order parallel line structure on the surface of amorphous. molecules of the sample tend to tetrahedron and the former has more planarer structure

    隧道-原子力顯微鏡測試結果表明:非晶態時，磁控濺射摻鉑薄膜樣品表面和溶膠凝膠摻鉑樣品表面都有明顯的平行線狀結構，長程無序，分子趨於四面體結構，只是前者比後者表面較平整;晶態時，磁控摻鉑樣品在自然生長面上原子呈平面分佈，長程有序，溶膠摻鉑樣品則呈wo6面心結構。
  12. 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。
  13. Catalysts were prepared by impregnation reduction, thermal reduction, advanced thermal reduction and sol - gel methods from these metals. electrochemistry measurements, xrd, tem were used to test these catalysts. the results showed that these metals have some electrocatalysis activities towards hydrogen oxidation reaction

    本文選擇了w 、 mo 、 co等金屬，採用浸漬還原法、熱還原法、改進的熱還原法以及溶膠凝膠法分別制備了這幾種金屬的碳載催化劑，對制備出的非貴金屬催化劑進行了電化學測試、 x -射線衍射（ x - raydiffraction ， xrd ） 、透射電子顯微鏡（ transmissionelectronmicroscopy ， tem ）等測試，研究結果表明:這些非貴金屬在硫酸體系中對氫氣的氧化反應均有一定的催化活性。
  14. Abstract : based on the test results of frost micro pore structure density distribution of high strength concrete at minus temperat ure ( hscmt ), the frost damage fiber bundle model of hscmt was buitl. the purpose is to study frost damage factor of hscmt in the future, to deduce lost efficiency p robability of hscmt and prevent hscmt from frost in cold weather

    文摘:根據負溫高強混凝土凍結顯微孔結構密度分佈結果，建立了凍結損傷纖維束模型，為進一步研究負溫高強混凝土的凍結損傷基因，推斷負溫高強混凝土的失效概率，及負溫高強混凝土受凍害的防止打下基礎。
  15. The analysis results show that, the warping and cracking of sintered part which is induced by thermal stress can be efficiently alleviated by optimizing the geometrical structure of the part to be built, enhancing the pre - heating temperature, and well choosing the building substrate

    通過掃描電鏡對燒結樣品分析發現，燒結件的顯微組織為微熔ni顆粒和cusn快速凝固的混合組織，其成形機制為液相燒結。
  16. The idea is to use a micromanipulator mounted on the side of the stardust interstellar collector tray to extract keystones ( tiny wedge - shaped sections of aerogel surrounding a track ) directly from aerogel tiles while still in the tray

    想法就是用安置在星塵收集盤邊緣的一臺顯微操作設備從還待在盤中的凝膠塊里直接直接提取關鍵部分（一小塊圍繞著一個軌跡的楔形凝膠） 。
  17. 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。
  18. With bacterial cgc as main subject, the tests had been done to elucidate mechanism of self - organization for macroscopic rhythmic structure. the dynamics of cgc forming was observed by special techniques of waving culture and microscopic culture ; the differences in outer structure of cell wall and flagella number had been observed by atomic force microscope scanning ; integrity of cell wall was examined under tem ; outer membrane protein was analysed by sds - page and various substance and factors for cgc formation were determined

    採用特殊的波動培養和顯微培養技術觀察潛生體形成動態；應用原子力顯微鏡掃描，比較細菌潛生體與繁殖體在細胞壁外層結構和鞭毛數量的差別；用透射電鏡觀察細胞壁完整性，以十二烷基硫酸鈉?聚丙烯酰胺凝膠電泳分析外膜蛋白的改變，並通過實驗分析多種物質和因素對潛生體形成的影響。
  19. The crosslinking system was : [ mbaa ] = 0. 03, 0. 06, 0. 09mol / l, [ k2s2o8 ] = 0. 0075 mol / l, t = 60 c, t = 40 ~ 60min. the existence of pamps gel layer on the surface of composite membrane was confirmed by ftir and sem

    通過傅立葉紅外光譜（ ftir ）分析和掃描電子顯微鏡（ sem ）的觀察，證實了pvdf基膜表面pamps凝膠層的存在。
  20. The sols is bright yellow and stable during a month and a half. silver sols are charaterized by a transmission electron microscopy ( tem ) and ultraviolet - visible spectrophotometer ( uv ). the result indicates that the silver particles are approximately spherical and monodispersed with an average diameter of ca. 15nm

    溶膠呈亮黃色，貯存一個半月不發生凝聚，並用紫外分光光度計和透射電子顯微鏡對其研究，發現制得的納米ag為球狀粒子，粒徑為15nm 。
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