分散介质

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  • disperse medium;dispersion medium
分散介质分散介质
  1. 利用悬浮聚合的方法,选用甲基硅油作为体系的分散介质,乙交酯(GA)为单体,合成出了相对分子质量较高的聚乙交酯,其特性黏度[η]高达09。

    Polyglycolide ( PGA ) with a relatively high molecular weight and an inherent viscosity of 0 9 was prepared by means of suspension polymerization . In this special system the methyl silicon oil was acted as a disperse medium , and the glycolide was acted as a monomer .

  2. 以水作分散介质,用激光粒度测定仪测定了氧化锆催化剂粉末粒度及粒度分布,测试方法快速、准确,测试结果令人满意。

    Within the water disperse medium , the particle size and particle size distribution of jargonia catalyst powder is determined with the laser particle size analyzer . The test is fast and accurate . And the result is satisfactory .

  3. 水溶性A盐、B盐是以水为分散介质的润滑脂较为适宜的抗磨极压添加剂。

    Soluble salts A and B are appropriate anti-wear and extreme pressure additives for the greases .

  4. 分散介质pH值对蒙脱土性能的影响

    Effect of pH Value of the Dispersing Media on the Properties of Montmorillonite

  5. 考察了分散介质、分散剂类型及用量、球磨参数、pH值等对浆料分散行为的影响。

    The effects of dispersants and other parameters on the dispersion in the liquid were examined .

  6. 分散介质和表面活性剂对γ-Fe2O3/聚丙烯酸锂复合微粒电流变效应的影响

    Influences of the Base Liquid and Surfactants on the ER Effect of γ - Fe_2O_3 / Polyacrylate Lithium Composite Particles

  7. 分散介质和矿化剂CaF2对合成α-磷酸钙的影响

    Effects of Dispersed Medium and Mineralizer CaF_2 on the Synthesis of α - Tricalcium Phosphate

  8. 水凝胶(hydrogel)是以水分为分散介质的凝胶,是一种良好的局部皮肤给药剂型。

    Hydrogel , a gel whose dispersion medium is water , is a good preparation formulation for dermal topical application .

  9. 聚合物的Tg、分散介质、复合乳液的干燥温度以及SiO2的含量对表面形貌都有显著影响。

    The Tg of polymer , the silica content , the solvent and the drying temperature have significant influences on this surface morphology .

  10. 实验考查了异丙醇分散介质中纳米SiO2经偶联剂表面改性后,表面羟基数量的变化。

    The changes of the surface hydroxyl number of nano SiO2 in isopropanol were studied after nano SiO2 modified by several coupling agents .

  11. 本文用比色法、BET、SEM等方法研究了分散介质pH值对蒙脱土的分散性、密度、比表面、孔径分布等性质的影响。

    The effect of pH value of dispersing media on dispersity , density , surface area and pore size distribution of montmorillonite was studied using colorimetry , BET and SEM .

  12. 试验进一步将ITO粉体加工成浆料,并且研究了不同的分散介质,分散方法以及不同的pH值的条件下对浆料稳定性的影响。

    ITO slurry was further more prepared from powder . And the influences of different dispersion medium , method of dispersion and pH value were discussed on the slurry stability .

  13. SiO2气凝胶为基体,乙醇水溶液为分散介质,三聚磷酸钠为强电解质。

    SiO_2 aerogel used as the base , ethanol / water as the separating medium , and STPP ( sodium tripolyphosphate ) as the strong electrolyte .

  14. MRS的附加动态剪切应力(△τ)与分散介质浓度、外加磁场强度呈正比例关系;

    Exhibited dynamic shear stress of the MRS induced by external magnetic field is in direct-ratio relation with strength of external magnetic field and concentration of the filled clusters in the MRS.

  15. 对于PEG处理的SiO2,连接到SiO2表面的改性剂分子越长,与分散介质缠绕作用越强,粘度越大。

    If molecular chain connected to the SiO2 surface is long , the winding effect between dispersion medium and modifier is strong , and then the viscosity is high .

  16. 研究了用AsA改性碳酸钙后,碳酸钙填充性、碳酸钙/液体石蜡体系粘度的变化,以及ASA用量、不同分散介质对碳酸钙沉降性的影响。

    After CaCO_3 was modified by ASA . the filling properties of CaCO_2 , the change of the viscosity of CaCO_3 / liquid paraffin System have teen studied .

  17. 用应力控制流变仪考察了不同分散介质乙二醇(EG)、丙二醇(PG)、丁二醇(BG)以及温度对SiO2分散体系流变性能的影响。

    The influence of the suspending medium of EG , PG , BG and temperature on the rheological properties of silica dispersions was studied with a stress controlled rheometer .

  18. 研究了上述8种修饰HA及未修饰HA颗粒在不同介质中的悬浮稳定性,获得了上述共9种样品在乙醇、丙酮和水等分散介质中的稳定性大小顺序,并解释了其稳定性机理。

    The suspended stability of the above 6 modified HA products and un-modified HA particle in dispersing media EtOH , Me2CO and HaO is investigated . Stability orders of the 7 samples are obtained , their stability mechanism is also discussed .

  19. 该底漆以水为分散介质,VOC低,固体份高,无燃爆危险,可厚涂,使用安全方便,施工效率高。

    Using water as its dispersing media , this primer has a low VOC and is inflammable . With a high solid content , it can be painted as a thick primer coating .

  20. 在Fe3O4磁流体存在下,以乙醇/水为分散介质,过硫酸钾作为引发剂,通过苯乙烯与PU大分子单体共聚制备出了两亲磁性聚合物微球。

    Amphiphilic magnetic polymer microspheres were synthesized by copolymerization of styrene with PU macromonomer in the presence of Fe_3O_4 magnetic fluid in ethanol / water medium . The structure of copolymer was determined by infrared spectroscopy .

  21. 但与溶剂型聚氨酯相比,WPU的粘结强度较低,耐水性较差,由于以水为分散介质,对RDX表面润湿性能不佳,不利于其对RDX的包覆。

    Compared with solvent-borne polyurethane , WPU had disadvantages of low adhesion intensity , poor water-resistance and surface wettability for it used water as dispersion medium , then was unfit to coat the RDX .

  22. 以亚麻油(LO)为分散介质,由蓖麻油(CO)和甲苯二异氰酸酯(TDI)反应制备了端部为&NCO的聚氨酯/环烷酸钴催干的亚麻油(PU/LO)复合涂料。

    By mixing castor oil ( CO ) with toluene diisocyanate ( TDI ) in linseed oil ( LO ) as dispersion medium , a composite coating of polyurethane ( PU ) / LO was prepared when cobalt naphthenate was used as drier .

  23. 用C16~18混合醇醚磷酸酯产物为预分散介质使P2O5均匀分散在其中,再添加脂肪醇醚进行磷酸酯化反应。

    The P_2O_5 was to be pre-dispersed evenly in a medium composed of the reaction product . Then the ethoxylated fatty alcohol was introduced into the medium .

  24. 以TritonX-100为乳化剂、正己醇为助乳化剂,得到以苯胺盐酸盐为水相、正己烷为分散介质的反向(W/O)微乳液。

    The reverse ( W / O ) microemulsions in which aniline chloride is water phase and hexane is oil phase are prepared by use of Triton X 100 as emulsifier and hexanol as assistant emulsifier .

  25. XRD、TEM、BET和XPS等分析表明,随着分散介质粘度的提高,催化剂分散度增加,颗粒度减小,比表面积增大;

    Results of XRD , TEM , BET and XPS analyses indicated that with the increase of medium viscosity , the improved dispersion of the catalyst in the medium was observed , the particle size of the catalyst decreased , and the surface area of the catalyst increased .

  26. 这种PAM水包水乳液具有易干燥、易溶解的优点,且分散介质是水溶性的,从而广泛地应用于对油含量要求很低的领域,如造纸工业、絮凝剂等。

    This kind of water package of water type PAM emulsion has the merit : easy dry easy to dissolve , and the dispersion medium is water-soluble , so it applies widely in the domain of low oil content , such as paper industry flocculant and so on .

  27. 水性聚氨酯(WPU)是一种以水为分散介质的聚氨酯体系,由于其无毒、环保、使用安全,已经引起了国内外的广泛关注。

    Waterborne polyurethane ( WPU ) is a new type of polyurethane system with water as the dispersion medium . Because WPU is non-toxic , environmentally friendly and safe , it has attracted widespread attention at home and abroad .

  28. 结论该壳寡糖硬脂酸接枝物可作为生物大分子药物载体,载药纳米粒的理化性质及体外释放受到分散介质及释放介质pH的影响,体外释放行为符合Higuchi方程。

    CONCLUSION Chitosan oligosaccharide grafted stearic acid could be used as the carrier for the delivery of macromolecular drugs . The characterization and release profiles of CSO-SA nanoparticles in vitro were affected by the pH values of delivery media . The release of LHRH in vitro followed Higuchi equation .

  29. 水性聚氨酯(WPU)是以水代替有机溶剂作为分散介质的新型聚氨酯体系,结合了溶剂型聚氨酯的高性能和水性乳液的低VOC含量,是优异的环境友好型材料。

    WPU is a novel PU system dispersed into water instead of organic solvents , so it is a kind of environmentally friendly materials which combines the high performance of solvent-type PU with little or no volatile organic compounds ( VOCs ) .

  30. 结果表明:采用乙二醇为分散介质,加入偶联剂(摩尔分数)KH5701%或十八醇0.5%后,球磨15h和超声波处理30min可以使纳米ITO得到很好的分散,纳米ITO表面改性效果好。

    The results showed that the satisfied dispersion and surface modification can be obtained for nanometer ITO particles after 15-hour ball mill and 30-minute ultrasonic dispersion in ethylene glycol incorporated with coupling agent KH-570 of 1 % or 0.5 % stearyl alcohol by mole .