磺酸

To investigate the influence of surfactant molecular structure on micellization in solution, we used molecular dynamics to simulate the molecular structure and interaction of three alkyl aryl sulfonates in vacuum and in solution.

为研究不同结构的表面活性剂分子在溶液中胶束化能力的差异，采用分子动力学方法模拟三种烷基芳基磺酸盐在真空和水溶液环境下的结构与相互作用。

Around 83 % benzene ring of polystyrene was sulfonated according to the analysis of infrared spectra.

用红外光谱仪分析得到，SSPS树脂中约83%的苯环接上了磺酸基。

Effects of the position of benzene ring on the carbon chain were also studied.

所以从理论上说，带附加基团苯环连接在靠近烷基链中间位置的长碳链烷基苯磺酸盐有可能是理想的驱油用表面活性剂的趋向。

Objective: To compare the efficacy and safety of Ropivacaine Mesylate and Ropivacaine Hydrochloride for axillary brachial plexus block.

目的：比较甲磺酸罗哌卡因与盐酸罗哌卡因用于腋路臂丛神经阻滞的有效性和安全性。

calcium dobesilate can protect renal function by improving pathological change of CAAN.

羟苯磺酸钙能延缓肾间质纤维化的进展，改善肾脏功能，在CAAN的治疗方面有一定应用价值。

Synthesis of p-nitro-ethylbenzoate catalyzed by p-toluenesulfonic acid supported on granule activated carbon was studied.

研究了用颗粒状活性炭固载对甲苯磺酸作催化剂合成对硝基苯甲酸乙酯。

CsA and antioxidants such as Vitamin C, deferoxamine and catalase were used to protect cells.

加入环孢素和抗氧化剂维生素C、甲磺酸去铁胺、过氧化氢酶等，观察对细胞的保护作用。

The results indicated that they were of better catalytic and reusable performance than the traditional method.

结果表明，磺酸基功能化的离子液体都具有较好的催化活性和重复使用性能。

The influence of acrylic acid and cetane alcohol,amount of catalyst and inhibitor,reaction temperature,reaction time were investigated.

实验结果表明，合成的最佳反应条件为：丙烯酸与十六酯的物质的量之比为1.2∶1，对甲苯磺酸的用量为0.6%，对苯二酚的用量为0.4%，反应温度为110℃，反应时间为5 h。

The effects of reaction factors of oxidation, grafting copolymerization and chelation on the corrosion and scale inhibition performance of modified product were studied.

实验研究了影响氧化反应、丙烯酸接枝共聚反应和螯合反应的各因素对木素磺酸钠改性产物缓蚀阻垢性能的作用规律。

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％。