查询词典 surfactants

Functions: Uses 3D technique to converge surfactants, the amino acid has good relation to the skin. It is gentleness and without stimulation. The cleanser appeases and calms skin, cleans skin. Using it you will fell loose, clean and moistening. Gently cleanses, removes sebum and the dirt of metabolism. Makes the acid and alkali balance. Appeases and calms allergy skin. Builds a protective film to defeat pollution in the air and increases skin's resistance after using it.

主要功能：本品采用高科技技术，有效将氨基酸及各种表面活性剂聚合，具有很好的亲肤性，温和无刺激；温和清洁肌肤，无紧绷感、清爽、滋润，温和清除皮肤多余油脂及代谢污垢；平衡肌肤酸碱度，安抚镇静敏感及脆弱皮肤；用后在肌肤表面形成一层天然的保护膜，增加皮肤抵抗力，帮助肌肤抵御大气中的各种污染，免受侵害。

If surfactants are not easily biodegraded they may persist and harm ecosystems.

如果不容易被生物降解的话，可能会留存在生态系统中并对其造成伤害。

In the view of green chemistry and sustainable development, a series of new easily biodegrading amino acid-based anionic surfactants were prepared by reaction renewable resources as starting materials with amino acids.

本文从绿色化学和可持续发展的角度出发，以天然可再生资源为原料，与氨基酸反应合成一系列新型易生物降解的氨基酸型阴离子表面活性剂。

N-dodecylethylenediaminetriacetic acid is a new type of chelating surfactants, which were in need of developing non-phorus detergents.

N-十二烷基乙二胺三乙酸是一种新型螯合性表面活性剂，是应无磷洗涤剂的研发要求而问世的。

he photosensitive polymerization in the types of complex systems comports of water-soluble and surfactants (CTAB, SDS, Triton X-100) was studied in this paper.

研究了水溶性高分子与三种表面活性剂组成的复合作用体系（PAA—AM／CTAB，PAA—AM／SDS和PAA－AM／TritonX－100）中的光敏聚合反应。

To study the relationship between the "tail" structure and the characteristics of Gemini surfactants, a new gemini surfactant CH(subscript 2s)-αω-Bis (dehydroabietyihydroxypropyltetramethylethyldiammonium Chloride) here s=2, has been synthesized. Dehydrogenated rosin as hydrophobic "tails" in the structure. The affections of reacttants ratio, reaction temperature and time on the yield of aimed compound have been discussed.

研究了Gemini表面活性剂中疏水&尾巴&结构对性质的影响，以脱氢松香酸和环氧氯丙烷为原料合成了中间体3-脱氢松香酰氧－2-羟丙基氯，再与四甲基乙二胺反应，得到1种以脱氢松香酰基为疏水链&尾巴&的对称Gemini型双季铵盐阳离子表面活性剂：二氯化－N，N'-二（3-脱氢松香酰氧－2-羟丙基）四甲基乙二胺。

To study the relationship between the hydrophobic "tail" structure and thecharacterizations of Gemini surfactants, a new gemini surfactant CsH2s-α,ω-bis(dehydroabietylhydroxypropylteteramethylethylammonium Chloride),here s=2, wassynthesized. Dehydrogenated rosin as hydrophobic "tails" in the structure. The impact factorsin the two steps are discussed.

为研究gemini表面活性剂中疏水&尾巴&结构对性质的影响，本论文以脱氢松香酸和环氧氯丙烷为原料合成了中间体3-脱氢松香酰氧-2-羟丙基氯，再与四甲基乙二胺反应，得到一种以脱氢松香酰基为疏水链&尾巴&的对称gemini型双季铵盐阳离子表面活性剂：二氯化-N，N′-二(3-脱氢松香酰氧-2-羟丙基)四甲基乙二胺。

Objective To study the efficacy of pulmonary surfactants combined with continuous distending pressure for treatment of respiratory distress syndrome in very low birth weight infants.

目的 探讨肺表面活性物质与肺持续扩张压力联合应用治疗极低出生体重儿呼吸窘迫综合征的疗效及临床价值。

ObjectiveTo study the efficacy of pulmonary surfactants combined with continuous distending pressure for treatment of respiratory distress syndrome in very low birth weight infants.

目的：探讨肺表面活性物质与肺持续扩张压力联合应用治疗极低出生体重儿呼吸窘迫综合征的疗效及临床价值。

Some polymerizable surfactants, which show good emulsifying capacities of the three series, are applied in emulsion polymerization.

选择了每个系列产品中乳化能力较强的乳化剂，应用于含氟单体的乳液聚合。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。