查询词典 hydrophilic

The samples made by steam distillation do not contain any high-boiling and non-volatile materials and no contaminants are introduced to GC; but highly polar or hydrophilic compounds are not easy to be extracted.

蒸汽蒸馏方法制备的样品通常不含高沸点或非挥发性组分，不会对GC造成污染；但一些极性大或亲水的组分不易分离出来。

All these compounds contain hydroxy groups and can be used as hydrophilic chain-extenders in the synthesis of cationic polyurethane ionomers.

这些化合物（或与含三羟基的化合物配合使用），可以作为季铵阳离子型聚氨酯离聚物的扩链剂。

Organics which could be volatilised easily or difficultly decreased fast at the early days, then decreased slow, but the organics which can volatilised easily decreased faster. Hydrophilic organics in the raw water decreased , while hydrophobe organics incresed. 4 Stainless steel and acid-resistant keramics showed less effect on the water's qulity, while the fiber steel which had used for storage in the experiment showed great effect.

随着贮存时间的延长，水中4KD～10KD所占比例升高，而4KD以下的有机物所占比例则下降；水中难吹脱性有机物与水中易吹脱性有机物都减少，且初期下降快后期下降慢，但易吹脱性有机物减少速度快于难吹脱性有机物；水中亲水性有机物所占比例下降，而疏水性有机物所占比例上升，发生了亲水性TOC向疏水性TOC转化。

Formation mechanism of micro-emulsion fuels is studied systematically. It isconsidered that necessary condition for biodiesel-ethanol-water micro-emulsion is thathydrogen bond effection of hydrophilic groups in biodiesel and emulsifier and hydroxyl ofethanol on water is no less than corresponding Laplace pressure gradient.

系统地研究了生物柴油-乙醇-水微乳化燃料的形成机理，认为形成生物柴油-乙醇-水微乳化燃料的必要条件是生物柴油和乳化剂所有亲水基和乙醇的羟基通过氢键作用于水的力不小于相应的拉普拉斯压力梯度。

Polyols can be divided into latex polyol and dispersion polyolaccording to the way of preparation. In this paper, acrylic latex polyol and acrylic dispersionpolyol were synthesized respectively. One kind waterborne polyisocyanate, which was waterbornehexamethylenediisocyanate trimer, was obtained by hydrophilic modification. Andisophorone diisocyanate trimer (T1890E), which can formulate into 2K-WPU coatings withpolyols, was selected from the unmodified polyisocyanates.

本文合成了两种羟基组分：丙烯酸乳胶多元醇和丙烯酸分散体多元醇，亲水改性得到了一种水性多异氰酸酯组分：水性六亚甲基二异氰酸酯三聚体，同时在未改性的多异氰酸酯组分中遴选了一种多异氰酸酯：异佛尔酮二异氰酸酯三聚体(T1890E)，可用来组成双组分水性聚氨酯涂料。

The experimental results showed that with the addition of hydrophilic ion-type reactive comonomer,latexes with particle size of about 0.6μm can be obtained and the solid content of stable latexes can reach as high as 60%,showing Bimgham flow characteristics.

实验结果表明，带亲水性离子基团可共聚单体AHPS的加入可获得0.6μm左右的乳胶粒，乳液固含量可达60％，表现粘度测定结果表明乳液呈Bingham流体。

The effects of various structure parameters of gemini surfactants such as nature of the hydrophilic head groups,nature and chain length of the hydrophobic tail groups,nature and chain length of the spacer groups,and nature of the counter ion et al.on their dissolution properties,surface activity,micelle morphology,foaming performance and lime soap dispersing power et al.were summarized.

综述了双子表面活性剂亲水头基的性质、疏水尾基的性质及长度、连接基的性质及长度、反离子等结构参数对其溶解性、表面活性、胶束形状、起泡性及钙皂分散能力等的影响。双子表面活性剂是一类新型表面活性剂，具有临界胶束浓度低、表面活性高、增黏能力强等一系列优异性能，这些优良性能使其具有良好的应用潜力。

The copolymer micelle is not only provided with photosensitive units but also provided with hydrophilic/lyophobic microdmain, can also reduce the tension of oil-water boundary, and has the emulsifying function.

本发明单体易得，反应条件简单，产率高，而且通过自组装的技术可以对高分子胶束粒子实现可控化，加入具有功能基团的单体，在洗护用品领域有潜在的应用价值。

The effects of hydrophilic headgroups,charges and the aggregated states of monolayers on lat...

指出了该领域所面临的问题和将来的发展方向。

Terpenes were accepted commonly as safe and efficient transdermal enhancer, especially for that being hydrophilic.

萜类是目前公认的安全有效促渗剂，尤其是对于水溶性化合物。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失