水溶液

The effect of various concentration of surfactant and sodium dodecylbenzene sulfonate on the aqueous photodegradation of sodium pentachlorophenate were studied.

研究了不同浓度的阴离子表面活性剂十二烷基苯磺酸钠对五氯酚钠在水溶液中光解的影响。

Nitro-4-methylsulfonylbenzoic acid was prepared from 4-toluene sulfonyl chloride by the reaction of Alkylation (in the condition of sodium sulfite and baking soda), Nitrification (in the condition of nitric acid and vitriol) and Oxidation reaction (in the condition of nitric acid and catalyzer).

研究了以对甲苯磺酰氯为起始原料，首先通过亚硫酸钠和碳酸氢钠的水溶液进行烷基化、其次在浓硝酸和浓硫酸加热回流的条件下峭化、最后在浓硝酸和催化剂的条件下进行氧化，3步反应合成了玉米田高效除草剂甲基磺草酮的重要中间体2-硝基－4-甲磺酰基苯甲酸。

Moreover, the wall superheat temperature of the whole heating tube is lowered in the process of bubbles sliding.

2提出了一种丙烯酰胺水溶液浓缩的载气蒸发新方法。

By the experimental study we can get the ways of this polymerization craft which is that we can construct water-solution foam polymeric system with the help of the foaming agent, using AM and DMDAAC as monomers, and that we choice the oxide-reductive agent and ultraviolet light as compound initiation system, and that we proceed vacuate pretreating for Pharmaceuticals, and superinduce additive to prevent cross link in drying process which also can improve product water-solubility.

实验研究得出这种聚合工艺的具体方法为：以丙烯酰胺、二甲基二烯丙基氯化铵为单体，在起泡剂的帮助下，构建出水溶液泡沫聚合体系，引发体系则选用氧化—还原剂和紫外灯组成的复合引发体系引发反应，药品进行抽真空预处理，同时添加一定量的助剂防止产品在干燥过程中发生交联，改善产品水溶性。

The behaviour of crack initiation of superpure stainless steel in 3.5% NaCl solution during low cycle corrosion fatiguing was studied by using three-electrode technique.

本文利用三电极技术研究了超高纯铁素体不锈钢Fe－26Cr－1Mo在3.5％NaCl水溶液转化体系中，低周腐蚀疲劳的裂纹萌生行为。

Here, the organic molecules are used to mimic biomacromolecules, and the supersaturated solution is used to mimic biological media.

在这里有机分子用于模仿生物大分子；过饱和水溶液用于模仿生物环境。

The fourth chapter investigated disperse of attapulgite in organic medium, such as sdimethyl-benzene and carbinal, in aqueous solution with different pH, different surface-active agent, firstly.

论文的第四章首次通过沉降法对凹土在不同酸碱度、不同表面活性剂的水溶液中的分散情况以及在二甲苯、甲醇等有机介质中的分散性进行了探讨。

The result show, pH of solution, the type and concentration of surface-active agent all have marked effect, pH change can transform the disperse behavior of attapulgite particle by altering granularity distributing in different range, influencing double electromotive force between particle and solution.

研究表明，水溶液的pH值、表面活性剂的类型和浓度对凹土的分散稳定性皆有显著的影响，pH值的变化改变了不同粒径范围的粒子总量分布，改变粒子与溶液间双电层电动势，从而改变凹土粒子的分散行为：由于凹土作为带电粒子在极性溶剂中容易达到物理分散的目的，因此，凹土在极性溶剂中的分散状况大大优于在非极性溶剂中的分散。

Methods Volatile oil was extracted from fresh tansy by vapor distillation.

水蒸气蒸馏法提取鲜艾叶挥发油，饱和水溶液法制取挥发油β-环糊精包合物，水蒸气蒸馏法再提取包合物中挥发油，紫外光谱法分析包合前后挥发油。

In these solvents there is an equilibrium for 2-(2-mercaptophenyl)benzoxazole in the ground state between E1 and K, and the equilibrium shifts toward the tautomer K as the polarity of the solvent increases.

在溶液中，随着溶剂极性的增强，醇式异构体E1与K之间的反应平衡向K方向移动，在非极性溶剂环己烷中， E1为优势构型，而在强极性水溶液中， K为优势构型。

This paper analyzes the compound attractor structure of a new three-dimensional autonomous chaotic system.

分析了一种新的三维自治混沌系统吸引子的复合结构。

ON shut rivals out of their transmission systems and shy away from reinvesting their profits in network improvements.

ON将竞争者挡在了其输送体系之后，并不愿将其收益再投资于网络改建工作。