表面活度 的英文怎麼說

中文拼音 [biǎomiànhuódù]
表面活度 英文
surface activity
  • 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...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  1. A method to calculate quantitatively the adsorption volume or adsorption space of per mass of adsorbent derived from both the adsorbed molecule volume and the maximum adsorbance of a solute in an adsorption isotherm under a given experimential condition is presented firstly for a solid / liquid adsorption system of the solute in a dilute aqueous solution. this method is suitable for not only mono - layer adsorption, but also mani - layer adsorption and micelle adsorpion of surfactant constructed by hydrophile and lipophile groups. therefore, the surface concentration of the adsorbate, cs, deduced from the adsorption volume is possessed of the meaning of true concentration, and the value of the patition coefficient of the adsorbate between solid and liquid phass, p, attained by the cs and the c, solution concentration of the adsorbate, can be accurate. the foregoing a set of calculations are presented for the solid - liquid adsorption systems consisted of the wool fiber and separately dodecyltrimethyl - ammonium bromide ( dtab ) and hexadecyltrimethyl - ammonium bromide ( ctab ) in this paper. this provides a strong basis for adsorption thermodynamic investigation of adsorbate

    對稀溶液中溶質的固/液吸附體系，首次提出了根據吸附分子體積和實驗條件下吸附等溫線中的最大吸附量計算單位質量吸附劑的吸附體積或吸附空間的方法.此法適用於單層吸附，也適用於多層吸附和具有親水親油結構的表面活性劑分子的膠團吸附.由此，吸附質的表面相濃度cs具有真實濃度的含義，相應地，計算得到的溶質的固/液分配系數p就有了準確值.分別計算由溴代十二烷基三甲銨（ dtab ）和溴代十六烷基三甲銨（ ctab ）與羊毛纖維構成的液/固體系分配系數等，為溶質吸附的熱力學研究奠定了基礎
  2. The mechanical properties indicated that the improved exfoliation degree of mmts was essential for better properties of the nanocomposites, while the mechanical properties of interc alated nanocomposites were dependent on the structure of the organic modifiers 3

    有機蒙脫土層間有機物含量較高，有利於聚合物插層和mmt片層剝離分散。片層剝離分散程度大，有利於提高復合材料的力學性能；插層型復合材料的力學性能與表面活性劑分子結構有關。
  3. The length of alkyl, carbon chain about betaine type amphoteric surfactant affects its surface activity and other properties

    摘要甜菜堿表面活性劑的烷基碳鏈的長度對其表面活性及其它性質有不同程度的影響。
  4. The activation energies of crystal growth were calculated to be 15. 9kj mol " 1 and 148. 7kj mol " 1 respectively. cerous nitrate as originating material, ammonium hydrogen carbonate as precipitator, nanocrystalline cec > 2 powders were prepared by precipitation process. during the experiment, reacting solution was heated by microwave energy

    採用碳酸氫銨作為沉澱劑，聚乙二醇等表面活性劑為保護劑，採用逐滴加入沉澱劑，微波加熱代替傳統加熱的均相沉澱法，制備出了粒度小、分散性好的ceo _ 2納米粉體。
  5. The detecting and measuring instrument used for detecting and measuring surface tension by means of bio - solution and sense finding methods at moving conditions is developed in order to detect and measure surface tension adsorptive ratio and diffusivity of the active substance of the alveolus surface and other life - forms. the alveolus burned by breath in the high temperature condition or damnified with serious sickness will destroy the active substance of the alveolus surface. detecting and measuring surface tension of the active substance of the alveolus surface and other life - forms can help us determine the extent of pathological changes or damnification of the alveolus or other apparatus which can produce the active substance. lt is the research problem of the modern times medicine

    生物液智能表面張力動態測試儀是為測試肺泡肺液表面活性物質的表面張力、吸附率和擴散率以及其它生物液的表面張力而研製的。高溫條件下通過呼吸而燒傷肺部，或者因某些嚴重的疾病而損傷肺部都將會破壞肺部表面活性物質。通過測試肺泡或其它生物液表面活性物的表面張力，可以幫助我們測定肺泡或其它產生活性物質的器官病變損傷的程度。
  6. Improvement of sulfadiazine tablets ' dissolubility with surfactants

    表面活性劑提高磺胺嘧啶片溶出度研究
  7. The rate of the coordination reaction between divalent metal ions and murexide in a water - in - oil microemulsion was determined by spectrophotometric technique to study the transport of the metal ions entrapped in the organogel formed by cationic surfactant cetyltrimethylammonium bromide

    以微乳液中二價金屬離子與紫脲酸胺之間的配位反應為指示反應，採用分光光度技術，研究了金屬離子在由陽離子表面活性劑十六烷基三甲基溴化胺構建的微乳凝膠中的傳質問題。
  8. The addition of surfactant to etchant can protect surface from intense dissolution, and keep a relative similarity of dissolving activity between surface and tunnel walls. in order to gain a satisfactory enlargement of tunnels, the etchant temperature should be controlled at 70 - 90

    3a / cm ，嚴重，使比容降低;溶液中添加表面活性劑可以有效地抑製表面溶解，提高比容;適宜的擴孔條件為:溫度80oc ; h +濃度lmol / l0
  9. The particle number increased with surfactant and initiator concentration though the data are insufficient for evaluating the nature of these relationships.

    粒子數隨表面活性劑和引發劑的濃度而增加，雖然數據還不足以評價這些關系的本質。
  10. The microemulsion - mediated synthesis of hydroxyapatite offers the unique ability to control particles size, morphology and surface properties. aot / isooctane / water microemulsions admit to form spherical water cores, which in diameter depends linearly on the water content w ( water - surfactant molar ratio )

    Aot異辛烷水體系可以產生穩定的球形的水核，並且其水核的直徑與體系的含水量w （水與表面活性劑aot摩爾濃度之比）呈對應關系。
  11. Starch nanoparticles ( sn ) have been prepared with w / o starch microemulsion as microreader and epichlorohydrin as cross - linking agent. the factors affecting the preparation of sn have been investigated via the characterization of tem. the results show that the size and size distribution of sn are mainly controlled by the interfacial strength of microreactor, and the interfacial strength of microreactor is chiefly influenced by w value ( the molar ratio of water / surfactant ) and concentration of starch

    利用所得到的w o型澱粉微乳液作為微型反應器，以環氧氯丙烷為交聯劑制備出澱粉納米粒，並藉助透射電鏡的表徵研究了各制備因素的影響，研究結果表明：澱粉納米粒的粒徑及粒度分佈主要受微型反應器的界面強度控制，而影響界面強度的因素主要是r值（即水與表面活性劑的摩爾比值）及澱粉液濃度。
  12. The anion surfactant nals was the most efficient in the process and was selected as collector by orthogonal method. the interfacial tension and cmc of nals ( cmc 6. 5 10 - 3m ) in the solution was measured by hanging ring test, the function relationship between interfacial tensions and nals concentration was : = - 0. 9523 in 2c - 24. 534 in c - 81. 411. the relation of interfacial adsorption equilibrium in the solution system was respectively tested and calculated with gibbs equation and dynamic method. the conclusion showed that ( 1 ) the experiment result of dynamic method with was highly in coordination with the value which from theoretical calculation. ( 2 ) the surfactant molecule was in arrangement of monomolecular layer at the gas - liquid interface

    用吊環法測定了十二烷基硫酸鈉水溶液不同濃度與其界面張力的關系，擬合得到的回歸方程為= - 0 . 9523ln ~ 2c - 24 . 534lnc - 81 . 411 ，同時還測得其臨界膠束濃度值（ cmc為6 . 5 10 ~ （ - 3 ） m ） ，運用吉布斯等溫方程和動態法分別計算和測定了該溶液系統的界面吸附平衡關系，結論表明： （ 1 ）動態法測定結果基本吻合吉布斯方程的理論計算； （ 2 ）表面活性劑分子在氣?液兩相界面是以單分子層形式定向有序排列的。
  13. Study of active nucleation site density in subcooled nucleate pool boiling

    池內過冷核沸騰表面活化核心密度的研究
  14. Fe3o4 nano - particles, which can be dispersed in nano scale, were prepared by means of chemical co - precipitation method. such influencing factors as the type of precipitant, the feeding mode, the surfactants, the reaction temperature, the curing temperature were surveyed. some properties such as crystal structure, particle size, magnetic properties and iron content were characterized

    深入探討了沉澱劑的種類、加入方式、表面活性劑、反應溫度、熟化溫度等各種因素對產物的粒徑及磁性能的影響，對fe _ 3o _ 4納米粒子進行了晶體結構、粒徑、磁性能、鐵含量等性能的表徵。
  15. Having investigated composites of ep coating ultramicro iron using atpu as surface agent, results showed that with increasing amount of atpu, density, complex permittivity ( ) and complex permeability ( ) of composites decreased, and retentivity and coercivity increased

    用atpu作表面活性劑制備核殼結構復合粒子時，隨著復合時atpu用量的增加，復合粒子的密度、復介電常數（ ）和復磁導率（ ）逐漸減小，剩磁與矯頑力逐漸增大。
  16. The experimental results show that the cycle of the mother liquid increases the yield of the product, the seed crystal can improve long - diameter ratio remarkably, the proper additive reduces the speed of crystal growth and make size distribution homogenize. through appending different seed crystal and bivalent lead at one time, we may receive when the content of the seed crystal is 0. 075 % and pb2 + is 20 - 50ppm, the yield of the basic magnesium chloride whisker is high and crystal shape is good. the surface active agent can improve dispersion performance of the basic magnesium chloride whisker

    研究結果表明：母液循環可以提高堿式氯化鎂晶須的產率；添加晶種可明顯的改善晶形；合適的添加劑可以降低晶體生長速度並可提高晶須的粒徑分佈；而同時加入不同用量的晶種和pb ~ （ 2 + ） ，試驗結果表明晶種含量在0 . 075 ， pb ~ （ 2 + ）在20 50ppm時，晶須的產率高，晶形好；表面活性劑對產品的分散性能有所改進。
  17. The diameter of sno2 nanoparticles ranges from 20 to 60 nm. it was concluded that, with the use of the surfactant dbs, sno2 nanoparticles would more steady disperse in polyurushiol in nano scale. ft - ir and xps spectrum showed that there was some interacting between the phenol hydroxyl groups in urushiol mocular chains and sno2 nanoparticles

    （ 3 ）紅外分析和xps分析表明， sno _ 2納米粒子與聚合漆酚中羥基氧原子或dbs中氧原子之間存在著一定程度的配位趨向這，可能是納米sno _ 2在dbs為表面活性劑的漆酚或聚合漆酚中能穩定分散的原因之一。
  18. Surface active agents. determination of the power to disperse calcium soaps. acidimetric method modified schoenfeldt method

    表面活性劑.鈣化皂擴散能力的測定.酸度滴定法
  19. Testing method for biodegradability of anionic and nonionic surfactants

    陰離子和非離子表面活性劑生物降解度試驗方法
  20. The survey team conducts surveys along pre - designated survey routes in the northeast part of the new territories. it measures ambient gamma dose rates, surface activity concentrations of beta emitters at ground surface and in - situ gamma spectrum of land soil

    流動巡測隊會沿新界東北部預先選定的測量路線，在不同位置量度環境伽馬輻射劑量率、地面的貝他放射體的表面活度濃度和原位置土壤的伽馬能譜，以及收集大氣飄塵、放射性碘、擦拭及其他環境樣本。
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