磺酸

A resonance light scattering method for the determination of critical micelle concentration of sodium dodecyl benzene sulfonate was proposed.

利用共振光散射技术在不引入探针的条件下，建立了室温下直接测定十二烷基苯磺酸钠的临界胶束浓度的方法。

Alcohols, mixing ratio of alcohol, and surfactant are the factors affecting the stability of microemulsions.

醇的种类，醇与二辛基琥珀酸磺酸钠的比值影响微乳的稳定性。

The influence of temperature, catalyst and the molar ratio of raw materials on the yield of the product were studied.

分别考察了硫酸氢钠和对甲苯磺酸对该反应的催化性能，确定了各自的最佳合成条件。

The separation and quantitative determination of mono- and disulfo components in KPS-2 are performed by using HPLC technique.

流动实验结果表明单、双磺酸盐在岩心砂上的吸附有明显的差别，是导致KPS-2的色谱效应的主要因素。

Naphthyl aceate was synthesized with acetic anhydride and naphthol using aminosulfonic acid as catalyst.

以氨基磺酸为催化剂，用乙酸酐和β-萘酚合成了乙酸β萘酯。

A new spectrophotometric method for the determination of chromium has been developed. In HCl medium, the chromium oxidizes hydroxylammonium chloride to form nitrite, which produces a pink azo dye when reacting with p-aminobenzene sulfonic acid and α-naphthylamine.

基于铬在稀盐酸介质中氧化盐酸羟胺产生亚硝酸根，而亚硝酸根与对氨基苯磺酸重氮化后可与α-萘胺偶联产生粉红色偶氮染料，提出了分光光度法测定铬的新方法。

The purpose of the research was to provide experimental basis for the application of Nasturtium officinale R. Br. in controlling and restoring eutrophic surface water bodies polluted with SDBS.

［目的］为西洋菜在治理和修复十二烷基苯磺酸钠污染的富营养化地表水体中的应用提供试验依据。

Cytotoxic effect was demonstrated with nitrogen mustard, nitromin, sarcolysin, thio-TEPA and myleran at concentrations of 7, 10, 25, 35, 100, and 100μg/ml respectively.

氮芥及氧化氮芥在7—10微克/毫升，溶肉瘤素和新恩必恨于25—35微克/毫升，三乙酰硫代磷酰胺和丁二醇二甲磺酸酯在100微克/毫升，都出現了显著的細胞毒作用，使細胞很快死亡溶解；但6-巯基嘌吟和氨基喋吟未表現作用。

Experimental results in systems with the presence and absence of sulfamic acid as a suppressor of nitrous acid are obtained.

对比了加入氨磺酸条件下的实验结果。

Salt or ester of nitrous acid .

烷基苯形成的磺酸盐。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。