生物表面活性剂是由微生物产生的一类具有表面活性的生物化合物。
Biosurfactant is a kind of microbial compounds produced by microorganism that exhibited pronounced surface activity.
结论甘草中除皂苷组分具有表面活性外,其他组分对表面活性有贡献。
Conclusion There are other components to contribute to the surface activity of Glycyrrhiza Radix solutions except saponins in Glycyrrhiza Radix.
HPMC水溶液具有表面活性功能,可作为胶体保护剂,乳化剂和分散剂。
HPMC solution has the function of surface activity, which can be used as colloid protecting agent, emulsifying agent and dispersant.
具有表面活性的脂类物质中,溶血卵磷脂就其融合性来说可能是研究得最为彻底的。
Among surface-active lipoidal substances, lysolecithin is probably the best studied with regard to its fusing capabilities.
在两种非离子单体中,其中一种是具有表面活性的非离子大单体,另一种是非离子单体丙烯酰胺。
For the two nonionic monomers, one of which is the nonionic large monomer provided with surface activity, the other one is nonionic monomer acrylamide.
实验结果表明,阳离子表面活性剂与阴离子表面活性剂复配容易生成不具有表面活性的物质,故不宜一同使用。
The result showed that anionic and cationic type surfactants would form a substance having no surface activity, and could not be used together.
水溶性丙烯酸共聚物具有表面活性,临界水溶性丙烯酸共聚物的临界胶束浓度(CMC)值为0.2%(质量分数)。
The water soluble acrylic copolymer showed surficial activity and the CMC of the critical water -soluble acrylic copolymer was 0. 2%.
具有离子化头的表面活性剂是产生排斥力的关键,这种排斥力可以对抗范德瓦尔斯力,从而使的一个肥皂泡薄膜稳定的存在。
Surfactants with ionizable heads are key to creating a repulsive force that counteracts the van der Waals attraction and thus stabilizes a soap film.
介绍了水中阴离子表面活性剂测定新方法,该法与亚甲蓝法比较,具有操作步骤简单,萃取剂用量少的优点。
The new method in the determination of negative ion surface-active agent is introduced, comparing with methylene blue method, it have merits of simple operation step and little dosage.
共聚高分子和表面活性剂系统常常能够形成不同尺度的复杂结构,在材料和生物技术领域具有广泛的用途。
Copolymer and surfactant systems can generally form complicated structures on various scales, which have broad use in the fields of material and biological technology.
通过其理化性能的研究,结果表明TETA -DGEPG -EPON834具有优良的水溶性和良好的表面活性。
From the study on the physicochemical properties, it was shown that TETA-DGEPG-EPON834 had good water-solubility ability and favorable surface performance.
纳米晶铜表面原子和晶界原子具有更高的表面活性,钝化能力大大提高,同时钝化膜的溶解速度加大。
Surface atoms and intergranular atoms of nc copper have high activity, and that the passivation ability and the dissolution rate of passive film are increased.
通过此法所合成的十八烷基糖苷具有优异的表面活性和生物降解性,其性能优于十二烷基苯磺酸钠和TX - 10。
The Octadecyl Polymerization Glucoside made in this way has good surfactivity and biodegradation, and the performances are superior to those of SDBS and TX-10.
若再掺入适量具有有表面活性的塑化剂,就被称为强力增钙粉。
If some surface active agents are added to the adding-calcium fly ash, a strong adding-calcium fly ash can be obtained.
实验中通过添加表面活性剂以及采用不同的粒度配比,有效地解决了石油沥青表面润湿性能差和具有较低堆密度的缺点。
Low surface wettability and bulk density of petroleum asphalt are effectively solved by the use of a kind of surfactant and different particles distribution in the experiment.
这些表面活性剂具有较高的表面活性和相同的亲水基,1 ,3二氧杂环戊烷基团也有一定的亲水性。
The results showed that these surfactants have high surface activity and same hydrophilic group, and the 1,3dioxolane ring are also hydrophilic.
前言:脂肪酸淀粉酯是一种新型的非离子型表面活性剂,具有广泛的应用价值。
Fatty acid esters of starch were new and non-ionic surfactants, which could be synthesized by esterifying with moderate catalyst.
微生物脂肽是一类具有很强表面活性和生物特性的生物表面活性剂。
The microbial lipopeptides, which is an important kind of biosurfactants, possesses powerful surface activities and peculiar biological properties.
表面活性剂铜配合物具有较好的水溶性和表面活性,不但在DM F溶剂中有效催化苯甲醇、安息香的空气氧化反应,而且在稀碱溶液中形成的金属胶束也可催化氧化苯甲醇。
Cu complex of the surfactant have water soluble ability and surface activity, can catalyze the air oxidation of benzyl alcohol or Benzoin not only in DMF solution but also in alkali water solution.
未发现吸氧方式、表面活性物质、多巴胺和出生前地塞米松的使用、输血和母亲病情与ROP的发生具有相关性。
Correlation was not found between ROP prevalence and oxygen inhalation mode, surface active substance, administration of dopamine and dexamethasone, and mother conditions.
该方法可形成具有高表面活性剂活性的洗涤剂附聚物。
This process enables detergent agglomerates with high surfactant activity to be formed.
结果表明BDSA盐具有较高的表面活性。
The results show that the BDSA salts have high surface activity.
这些具有多级有序结构的纤维可以非常方便地用表面活性剂作为结构导向剂,用阳极氧化铝膜作为硬模板来制备。
These fibers with hierarchical organization can easily be prepared using surfactants as structure-directing agent and anodic aluminium oxide (AAO) membranes as hard template.
乳化剂除具有典型的表面活性作用外,还能与食品中的碳水化合物、蛋白质、脂类等发生特殊的相互作用而发挥多种功效。
It was pointed out that the emulsifier is not only a typical surfactant, but also can interact with carbohydrate, protein, fat etc. and then cause various effects.
乳化剂除具有典型的表面活性作用外,还能与食品中的碳水化合物、蛋白质、脂类等发生特殊的相互作用而发挥多种功效。
It was pointed out that the emulsifier is not only a typical surfactant, but also can interact with carbohydrate, protein, fat etc. and then cause various effects.
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