介绍了近年来低热固相化学反应中常用的直接反应法、前驱体法、添加表面活性剂法、配体法应用的研究进展。
Research advances of application of its commonly used methods, such as direct reaction method, precursor method, surfactant method, and ligand method in recent years, were introduced.
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.
采用简单的低温液相法,通过添加表面活性剂成功制备出不同形貌的氧化锌微晶。
ZnO microcrystals with a diversity of morphologies were successfully prepared with the addition of different surfactants by a simple low-temperature liquid-phase method.
在阳离子表面活性剂——十六烷基三甲基溴化铵(CTMAB)的存在下,用比浊法对铝箔蚀腐液中微量硫酸根离子进行测定。
Traces of sulfate ions in etching solution for aluminum foil have been determined by turbidimetry in presence of cation surface activator-hexadecyl trimethyl ammonium bromide (CTMAB).
该法对本表面活性剂的生产控制和应用研究是很有实际意义的。
This method is of practical significance to the production control and application research of surface active agent .
前言:目的:为找到泡沫浮选法去除废水中铬离子活性较好的表面活性剂,对表面活性剂种类进行探索。
Objective: to find good activity surface activity dose which eliminating chromium ion in the waste water by using foam flotation method to determine the kinds of the surface activity.
生物表面活性剂的检测方法主要有:液滴坍塌法、排油圈法和血平板法。
There are three main methods, drop collapse, oil spreading, and blood agar lysis, to detect biosurfactant production.
本文着重综述了目前常用的高分子分离膜材料的改性方法。表面活性剂改性法可以改善膜表面的亲水性,提高了膜的通量;
The modification methods of polymer membrane materials was reviewed. In order to improve hydrophile and flux of membrane , it can be use the surfactant modified membrane.
同时,我们还以电导法和稳态荧光法研究了多巴胺与阳离子表面活性剂十六烷基三甲基溴化铵(CTAB)胶束体系的相互作用。
We also studied the interaction between dopamine and the cationic surfactant sodium dodecyl sulfate (CTAB) by the methods of conductivity and the steady state fluorescence.
用质谱法、核磁共振波谱法、红外光谱法等,确定了未知氮杂环季铵盐型阳离子表面活性剂的结构。
Structute of nitrogen heterocyclic ring quaternary ammonium salt cationic surfactants was identi fied by mass spectrography, nuclear magnetic resonance spectra, infrared spectra and etc.
采用循环伏安法研究了谷胱甘肽、表面活性剂共存体系对青蒿素过氧键稳定性的影响。
The cyclic voltammetric experiments were used to study the influence of peroxy bond′s stability in artemisinin in the presence of glutathione (GSH) and surfactant.
结果表明:均匀沉淀法优于直接沉淀法;表面活性剂的加入有利于改善粉体团聚。
The results showed that homogeneous precipitation method is superior to direct precipitation method and adding surfactants is useful to improve powder reuniting.
采用无溶剂法合成表面活性剂——棕榈酸葡甘聚糖酯(PKGM),并选择无毒复合溶剂进行分离、精制。
In the paper, surfactant palmitoylated konjac glucomannan(PKGM) was synthesized by solventless method and refined by non-toxic compounded solvent.
用转糖苷法合成了新型表面活性剂——烷基糖苷。
Alkylpolyglycosides, a new sort of nonionic surfactant, was synthesized by trans-glycosylation.
用离子选择电极法和电导法测定了阳离子表面活性剂胶束溶液中的反离子缔合度。结果表明,离子选择电极法测出的数据可靠。
The concetration association degree in cationic surfactant micellar solution was determined by ISE method and conductance method. The results showed that ISE method was reliable.
采用在线萃取预处理功能模块,配合流动注射分析法对水体中阴离子表面活性剂进行了快速测定。
Anionic surfactant (as) in water sample was determined rapidly by flow injection analysis with an on-line extraction functional module.
根据表面活性剂知识,采用HLB值法筛选和复配乳化剂。
Accorded to the knowledge of surfactants, the emulsifiers were selected and mixed by the rule of Hydrophile-Lipophile-Balance (HLB) value.
以SBR法处理含阴离子表面活性剂废水。
Environmental treatment of wastewater containing anion surfactant with SBR process was investigated.
研究表面活性剂水溶液体系中木素模型化合物的酶法降解机制具有重要意义。
Studies of biodegradation of lignin model compounds by enzyme in aqueous media containing surfactant is of great significance to the world's environment and resources.
本发明在总结前人研究成果的基础上,不经过关环过程,创新性地采用真空—两性化法直接合成酰胺型表面活性剂。
Based on the summery of research findings by the predecessors, the invention is novel in direct synthesis of amide surfactants by vacuum-amphoteric method without ring closing reactions.
以甲基丙烯酸、苯乙烯、丙烯酸羟乙酯和丙烯酸- 2 -乙基己酯为主要原料,通过溶液共聚法合成了用于丙烯酸酯水性涂料的高分子表面活性剂。
A new polymeric surfactant using for acrylic acid waterborne coatings was prepared from the methyl acrylic acid, styrene, hydroxyethyl acrylate and 2-ethylhexyl acrylate.
黑液是碱法造纸的工业废液,黑液中含有碱、碱木素和表面活性剂等多种化学成分。
Black liquor is the waste liquor from paper mill by basic process. It consists of many chemical components, such as alkali, alkaline lignin and surfactant.
胶束液相色谱法是采用高于临界胶束浓度的表面活性剂溶液作为流动相的反相液相色谱方法。
Micellar liquid chromatography(MLC) is a reversed phase liquid chromatography with mobile phases containing surfactant above its critical micellar concentration(CMC).
本试验采用相转移法,通过对溶剂、表面活性剂的筛选和配伍,确定了10%溴虫腈水乳剂的最优配方为溴虫腈质量分数为10%;
Through the screening and assembling of solvent, and surfactant, the optimum formulation of 10% chlorfenapy EW was developed as following by the phase transfer-method.
其次,采用荧光探针和稳态荧光淬灭法研究了盐酸、温度和乙醇对表面活性剂CTAB自组装特性的影响。
Secondly, steady-state fluorescence and fluorescence-quecher technique were adopted to study the influence of hydrochloric acid, temperature and ethanol on the self-assemble of CTAB.
利用外推法得到的该表面活性剂临界胶束聚集数约为亲油基同碳数的CTAB临界胶束聚集数的一半。
The critical micellar aggregation Numbers obtained by extrapolation method are half of the CTAB's (cetyltrimethylammonium bromide) which is hydrophobic with the same carbon number.
锡-2,3,7-三羟基萤光酮-阳离子表面活性剂多元络合物分光光度法的研究。
Spectrophotometric studies on the multi-component complexes of tin with 2,3,7-trihydroxyfluorones and cationic surfactants.
锡-2,3,7-三羟基萤光酮-阳离子表面活性剂多元络合物分光光度法的研究。
Spectrophotometric studies on the multi-component complexes of tin with 2,3,7-trihydroxyfluorones and cationic surfactants.
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