表面活性組分 的英文怎麼說

中文拼音 [biǎomiànhuóxìngzǔfēn]
表面活性組分 英文
surface active composition
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 活 : Ⅰ動詞1 （生存; 有生命） live 2 [書面語]（救活） save （the life of a person）:活人無算 （of a goo...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 組 : Ⅰ名詞1 （由不多的人員組成的單位） group 2 （姓氏） a surname Ⅱ動詞（組織） organize; form Ⅲ量詞（...
  • 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
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  • 活性 : [化學] activity; active; activated活性肥料 active fertilizer; 活性酵母 active dry yeast; 活性粘土...
  1. Through investigation of water clarifying mechanism of demulsifier during demulsifying period, using the theory of relationship between structure and performance of surfactant, combining with the composition character of crude oil, the molecular structure design and synthesis of demulsifier were conducted

    通過探討破乳劑在破乳過程中的清水機理，運用表面活性劑結構與性能關系理論，結合原油的組成特點，進行了破乳劑分子的結構設計與合成。
  2. The recombinants were constructed by transforming ppic9 a - xynb into p. pastoris gs115. the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p. pastoris. in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity. the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1. xynbb was gotten by deglycasylation of xynba, whose molecule weight returned to 23kd. we comparised the enzymatic properties of xynba expressed in p. pastoris, xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph, the optimal ph of xynb and xynba were both 5. 2, the optimal ph of xynbb was 5. 0 ; the optimal temperature of xynb and xynba were both 60 c, while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883. 88iu / mg and 832. 5hu / mg respectively, which were both lower than 2814. 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21. 56 ( g / kg ) and 20. 87 ( g / kg ), while the km value of xynbb was 27. 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg. min and 5329umol / mg. min respectively which were lower than 27623 umol / mg. min of xynb ; additionally all of the three enzymes did not display cellulase activity. they all had well resistance to pepsion and trypsin, and were not sensitive to metal iron, surface active agent and chelating agent. the analysis of different xylans enzymatic hydrolysate revealed : by xynba, that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose, which account for 68. 43 % and 16. 50 % respectively, additionally there was 11. 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose, which account for 81. 78 % and 11. 55 %. the result indicated that this xylanase was a kind of 1, 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides

    進一步對xynba進行了脫糖基化處理得到xynbb ，其分子量恢復到23kd ，證明xynba是糖基化蛋白。通過對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的比較發現：三種酶的最適ph差異不大， xynb和xynba均為5 . 2 ， xynbb為5 . 0 ； xynb和xynba的最適溫度均為60 ， xynbb降為50 ：在耐熱性上， xynba由於糖基化作用熱穩定性明顯高於未糖基化的xynb和xynbb ； xynba和xynbb的比活性分別為883 . 88iu mg和832 . 51iu mg ，明顯低於原酶的比活2814 . 45iu mg ； xynb和xynba的km值相當，分別為21 . 56 （ g kg ）和20 . 87 （ g kg ） ，而xynbb的km值較大為27 . 10 （ g kg ） ； xynba和xynbb的vmax相差不大，分別為4568 mol mg ? min和5329 mol mg ? min ，明顯低於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性，對胃蛋白酶和胰蛋白酶有很好的抗性，且對作用環境中的各種離子、表面活性劑、螯合劑不敏感。通過對不同木聚糖的酶解產物的糖份分析發現：以樺木木聚糖為底物時，酶解產物主要為木三糖和木四糖，含量分別為68 . 43和16 . 50 ，另外還含有11 . 79的木二糖；以玉米芯木聚糖為底物時，酶解產物主要為木二糖和木三糖，含量分別為81 . 78和11 . 55 。
  3. Meanwhile, fundamental principles about electroless tin plating by reducing agent and disproportionation reaction were explained. function of every component in the bath was explained that complexing agent can effectively change the potential of copper and tin, and accelerate the beginning of replacement reaction favorably ; reducing agent can increase the rate of chemical reaction and has the effect of promoting reaction dynamics too ; antioxidant can effectively prevent sn2 + in the bath from being oxidated ; additive agent a can improve the stability of the bath ; additive agent b has such effects as refining and brightening for the tin deposits, and it enlarges the range of brightening section ; additive agent c used as leveling agent can not only make the depostis level off, but also improve the dispersive ability of the bath ; surface - active agent can solve bubble problem which gathered on the surface of the deposits, and improve the surface quality of the deposits and the bath stability

    闡述了鍍液中各組分的作用：絡合劑能有效地改變銅、錫的電位，促使初期的置換反應順利進行；還原劑能加快化學反應速度，對反應動力學有積極的促進作用；抗氧化劑能有效地防止鍍液中sn ~ （ 2 + ）的氧化；添加劑a能提高鍍液的穩定性，添加劑b對鍍層能有細化和光亮作用，擴大了鍍層光亮區的范圍；添加劑c作為平滑劑，不僅能增強鍍層表面的平整性，而且能提高鍍液的分散能力；表面活性劑較好地解決了化學鍍過程中汽泡在鍍件表面聚集的問題，提高了鍍層的表面質量和鍍液的穩定性。
  4. The analysis results indicate that the correlative influence factors to the technological capabilities of electronic solders include the composition and purity and chemical uniformity of solder alloy, the composition and properties of mother materials and their clean level on the surface, the surface tension of liquid state solders, the temperature and atmosphere in soldering and the activity of flux, the chemical composition and structure and properties of the surface film of melting solders, and so on

    分析表明：相關的影響因素主要包括合金的組成、純度和化學均勻性；母材的成分、性質和表面的潔凈度；液態焊料的表面張力；釬焊溫度、氣氛、助焊劑的活性；液態焊料表面膜的組成、結構和性能等。
  5. Recovery estimated from the safh4 plant line indicates that 9 ( jl g of pure active scfv can be obtained per gram of fresh leaf material, on a laboratory scale. the production of the scfv antibody proteins in plant root exudates was also addressed. the scfv antibody protein was continuously secreted from the transgenic tobacco roots into a simple hydroponic medium at 630 to 760 ng g - 1 dry weight of root day - 1

    在水培條件下，轉基因煙草根可連續分泌具有活性的重組抗乙肝病毒表面抗原pres1 （ 20 - 47 ）單鏈抗體進入到液體培養液中，不須破壞植物即可連續獲得重組單鏈抗體，為利用植物生物反應器連續生產單鏈抗體開辟了新途徑。
  6. Especially, when - bi together with a little carbon black ( cb ) or copper salt is used, the catalytic effect is better ; the flame structures of the double - base propellants containing - bi are similar to the typical plateau double - base propellant, but the combustion temperature distribution has been changed because of adding the - bi ; and the active components of catalysts deposit on the burning surface of propellants and the quenched surfaces of propellants with various catalysts possess different structure

    它與銅鹽和少量炭黑（ cb ）復合后，催化效果更優； 2 ， 4 -二羥基苯甲酸鉍加入后，推進劑的火焰結構保持了典型平臺雙基推進劑的結構特徵，但改變了雙基推進劑燃燒波溫度分佈，炭黑和銅鹽的加入對2 ， 4 -二羥基苯甲酸鉍的催化作用有很大影響；催化劑分解的活性組分富集在燃燒表面，不同催化劑使推進劑熄火表面形成不同的結構。
  7. This research has studied the microstructure of cathode materials systematically by the means of high resolution transmission electron microscopy and scanning electron microscopy, surveyed the electron emission performance of la2o3, - mo, la2o3 - y2o3 - mo, la2o3 - sc2c > 3 - mo cathode with the self - designed electron emission surveyor and analyzed the elements changing of the surface of mo - la2o3 - sc2c > 3 cathode in - situ. while it was heated to different temperature. at last, the relationship of the microstructure of cathode, diffusion of active matter and electron emission performances has been discussed

    本研究採用高分辨掃描電鏡、透射電鏡對稀土鉬鎢陰極材料的顯微結構進行了系統研究；利用本課題研究組設計研製的電子發射測量儀對la2o3 - mo ， la2o3 - sc2o3 - mo ， la2o3 ? y2o3 - mo三種陰極（以下稱鑭?鉬陰極、鑭鈧?鉬陰極、鑭釔?鉬陰極）的發射性能進行了測量；利用經改造后的俄歇電子能譜儀「原位」分析了發射性能較好的鑭鈧鉬陰極在不同溫度下表面活性元素的變化情況。
  8. The structural framework of the on - line test system has been built in the paper, based on j2ee and xml. uml is integrated into the development of web application in virtue of rose to get visual system model. the system requirements and design models are defined by uml diagrams such as use case diagram, class diagram, sequence diagram, collaboration diagram, component diagram, and deployment diagram. web pages, component objects, data tables and databases are all regarded as a class or an object. the modeling process bases on the views of real world. the design and development process is established according to the views of software engineering. the online examination system which bases on j2ee can fully use the jsp 、 javabean 、 servlet 、 xml, flexibility of three - tier model to optimize the system performance and to enhance. the development value

    同時藉助rose工具將uml語言和web應用開發結合起來，進行可視化建模，利用uml的用例圖、類圖、時序圖、合作圖、組件圖和部署圖等，定義系統需求，描述系統設計，將web頁面、組件對象、數據表和數據庫都作為類或對象，按照真實世界的觀點進行建模，依據軟體工程學的觀點制定設計開發步驟。本系統以j2ee體系結構為基礎，充分利用jsp 、 javabean 、 servlet 、 xml組件和三層模式的靈活性來簡化開發過程，優化系統性能，從而提高了系統的開發價值。
  9. Low temperature plasma has been extensively investigated for catalyst preparation, including plasma chemical synthesis of ultra - fine particle catalysts, plasma regeneration or plasma treatment of catalysts, plasma - assisted deposition of catalytically active compounds on carriers and combination of plasma and catalyst in reaction system

    摘要低溫等離子體技術在化學生產中的用途越來越廣泛，它在催化劑領域的應用主要表現在以下幾個方面：超細顆粒催化劑合成，催化劑再生，催化劑表面處理，活性組分沉澱到基體以及低溫等離子體系統中添加催化劑。
  10. Compared with farmland, the spatial distribution of orchard expressed very different characteristics. under continuous scale, distribution of orchard showed a regular pattern such as unevenness small scale : side length of the box was shorter than 8 cells - evenness small and moderate scale : the length was among 8 and 50 cells - unevenness moderate scale : the length was among 50 and 200 cells - evenness moderate and large scale : the length was longer than 200 cells ; human landscape transformation was the major impact factor of landscape changing, and a kind of moderate scale impact factor. the terrain was only a background impact factor ; during domestic landscape transforming in the working area, because the ecological maintenance value of two agricultural elements were not considered, their structural and functional equilibrium decreased gradually

    果園在中尺度區間的空間分佈與農田相比表現出顯著的差異，連續尺度的空間分佈表現出不均勻小尺度：滑箱邊長小於8個像元均勻中小尺度：邊長在850個像元之間不均勻中尺度：邊長在50200個像元之間均勻中大尺度：邊長大於200個像元的變化規律4人為改造作用是景觀動態變化的主要驅動力來源，並且表現為一種中尺度影響過程，地形因子則為背景性影響因素5景觀改造活動由於未能兼顧農業組分在區域生態穩定性維護方面的價值，兩種組分的整體結構和功能穩定性有所降低。
  11. The dispersion of the active component on the surface of the carrier

    活性組分在載體表面的分散狀態
  12. The dna electrochemical sensor was prepared by self - assembling the designed hepatitis b virus dna specific probe on the surface of au electrode together with hoechst 33258 as electro - active indicator

    利用自組裝單分子膜法，將人工合成的乙肝病毒單鏈dna片斷作為特異性探針固定在金電極表面，結合電活性指示劑hoechst33258構成dna電化學傳感器。
  13. It has many advantages, such as the particles size is well distributed, and its diameter can be well controlled, etc. because of this virtue, reverse micelle shows broad prospects in the preparation of ferrite nanoparticles. hi this work, the syntheses of mnfe2o4 nanoparticles, cofe2o4 nanoparticles and znfe2o4 nanoparticles are prepared by the reverse micelle method, these preparations employed reverse micelles formed with anionic surfactant bis - ( 2 - ethylhexyl ) sodium sulosuccinate ( aot ), which is considered the most effective surfactant, and another anionic surfactant bis - ( 2 - ethylhexyl ) sodium hydroxy sulosuccinate ( ahot ), which is a new surfactant, and was synthesized by our own research group. we also synthesized znfe2o4 nanoparticles using the cationic surfactant cetyltrimethylammonium bromide ( ctab )

    本文分別採用通常被認為最佳的陰離子表面活性劑? ?二（ 2 -乙基己基）丁二酸酯磺酸鈉（ aot ） ，和我們課題組自己設計合成的新型陰離子表面活性劑? ?二（ 2 -乙基己基）羥基丁二酸酯磺酸鈉（ ahot ）所構成的反膠束體系為微反應器，成功制備了mnfe _ 2o _ 4納米粒子、 cofe _ 2o _ 4納米粒子和znfe _ 2o _ 4納米粒子；還以陽離子型表面活性劑? ?十六烷基三甲基溴化銨（ ctab ）構成的反膠束體系為微反應器，成功制備了znfe _ 2o _ 4納米粒子；並探討了表面活性劑的種類和結構對反膠束法制備鐵氧體納米粒子反應的影響。
  14. Through investigating nearly 1, 000 workers in various enterprises, ten competencies are identified which are team management and leadership, influence, organizational awareness, ethics, personal driving, analytical & conceptual thinking, interpersonal understanding, innovation, communication, adaptability & flexibility

    研究結果表明：企業中層管理人員的勝任特徵包括團隊管理與領導、影響力、組織洞察力、正直誠信、個人驅力、分析與概念思維能力、人際洞察力、創新、溝通、適應性與靈活性十個方面。
  15. In order to improve titanium alloy ' s biocompatibility, the titanium dioxide coating was fabricated on ti matrix. besides, the surface of titanium alloys was directly disposed by alkali to make it possess bioactivity. biocompatibility and bioactivity of the material after surface modification were evaluated through the simulated body fluid ( sbf ) cultivation and cell cultivation experiment

    為了提高材料的生物相容性，本研究對自製的鈦基體進行了二氧化鈦塗層的制備和表面堿液生物活化處理的研究，並採用模擬體液培養實驗和細胞培養實驗評價了表面改性后材料的生物相容性和生物活性，對基體以及表面改性后材料的組織形貌、相組成和生物相容性進行了觀察、分析與評估。
  16. The properties of these doped powders, the microstructure and composition of these rare - earth co - doped tungsten matrices and cathodes have been investigated by size analysis, xrd, sem and edax. the electronic emission performances of these cathodes are measured in uhv electron emission surveyor. aes is adopted to analyze the atom composition and diffusion behavior of active elements on cathode surfaces

    通過粒度分析、 xrd 、 sem 、 edax研究了摻雜粉末的特性、燒結基體和陰極的微觀結構和成分;用動態真空電子發射測試儀對上述陰極進行了電子發射水平的測試;採用aes對陰極表面原子組成和活性物質的擴散行為進行了研究，分析了陰極發射水平與表面原子組成的關系。
  17. Series : anionic surfactant, including aqueous calcium salt and anhydrous calcium salt, are the important components of pesticide emulsifiers

    系列：陰離子表面活性劑，包括有水鈣鹽和無水鈣鹽兩類，是農藥乳化劑的重要組成部分。
  18. Equipment shall be constructed so that surfaces that contact components, in - process materials, or drug products shall not be reactive, additive, or absorptive so as to alter the safety, identity, strength, quality, or purity of the drug product beyond the official or other established requirements

    接觸組分、中間產物或者藥品的設備表面必須不和藥物反應，沒有異物脫落，不吸附藥物，以確保不改變藥物的安全性、同一性、活性、質量或純度，使其不滿足官方或者其他既定要求。
  19. The constitution of active elements on avtivated cathode surface is analysed by aes. it is found for the first time that only sc, ba and o can diffuse into surface for s2, e1, e3 and y3 cathodes, but y and eu cannot diffuse into cathode surface. the relationship between emission capability and constitution of sc, ba and o is

    分析了陰極激活后表面活性元素的組成，研究結果顯示，盡管採用了復合稀土摻雜的基體，但只有sc和ba 、 o一起擴散到s2 、 e1 、 e3 、 y3陰極表面，首次觀察到eu和y不擴散到陰極表面。
  20. The regulation of acid catalytic property of molecular sieve can be realized via surface modification of mesoporous molecular sieve by means of introducing doping metals into skeleton or loading active species onto matrix during synthesizing precursor for mesoporous molecular sieve

    在合成介孔分子篩的前驅物中摻雜其他金屬元素而將其引入骨架或將活性組分負載到介孔分子篩的基體上，可以實現對介孔分子篩表面進行表面修飾與改性，以調變分子篩表面的酸催化性能。
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