磺酸盐

In order to develop the new desalination method which has the virtues of simple equipments and technology, non-pollution and low cost, a foam fractionation technology of removing CuSO4 from the simulated aqueous solution was studied by using dodecylbenzenesulphonic acid and (1-hexadecyl) trimethyl ammonium hydroxide as surfactant.

为了探索设备和工艺简单、低污染、生产过程费用低的脱盐新方法，以十二烷基苯磺酸和十六烷基三甲基氢氧化按为表面活性物质，采用泡沫分离技术对脱除水溶液中微量的硫酸铜进行了研究。

Then SAM precipitation was carried out by picric acid and SAM precipitated is higher than 90％. After butanone extraction, acetone precipitation and SAM sulfate or SAM double salt of sulfate and p-tosylate formation, the stable SAM salt was obtained.

结果表明，苦味酸是一种选择性较好的沉淀剂，沉淀步骤得率在90％以上，制备SAM的硫酸盐的总得率在60％以上，而硫酸对甲苯磺酸双盐的得率在50％以上，产物的纯度达到了95％以上，已经达到了国外同类产品的质量指标。

A new mathematical model is built based on the laminar flow model and coalescence and redispersion model.

在层状扩散模型和聚并分散模型的基础上，建立了一个新的数学模型，以1—萘酚与对氨基苯磺酸重氮盐这一竞争串联偶氮化合反应体系为例，计算了反映微观混合状态的离集指数。

The photophysical properties of PyTS have been studied by steady state absorption, fluorescence emission and time resolved transient absorption spectroscopies.

本文利用吸收光谱、荧光光谱以及时间分辨瞬态吸收光谱研究芘四磺酸四钠盐的光物理特性。

NEW STRONTIUM SALTS OF SULPHONIC ACIDS, A PROCESS FOR THEIR

磺酸类的新锶盐，它们的制备方法和包含它们的药物组合物

The resulting polymer electrolyte possesses 1.57×10~(-3) S·cm~(-1) of ionic conductivity at room temperature when it contain 5wt% of LiBF_4 and 1wt% of zwitterion salt.

研究表明Zwitterion型离子液体1-甲基-3-磺酸正丁基咪唑盐，具有较高的熔点和热分解温度，熔点为219℃，分解温度达320℃。

Sodium(3 S,4S)-3-amino-4--2-ox-Oazetidine-1 -sulfonate is its key intermediate, a chiral zwitterion.

手性内盐(3S，4S)-3-氨基-4-氨甲酰氧甲基-2-氧代氮杂环丁酮-1-磺酸钠是卡芦莫南的关键中间体。

Using 2-bromo-ethanesulfonic acid sodium salt ,α,ω- binary primary amine and dodecanoic acid as the main raw materials, drawing support from two-step synthesis of experiments—Alkylated reaction and Schotten-Baumann acylation, A series of LAS(12-s-12) gemini surfactants were synthesized.

并以2-溴乙基磺酸钠、α，ω-二元伯胺、月桂酸等为主要原料，借助胺基的烷基化和Schotten-Baumann酰基化反应制备了α，ω-烷撑-双钠盐LAS(12-s-12)表面活性剂，联结基团为亚甲基—(CH2)s—(S=2，4，6，8，12)，取得以下进展

For instance, they may be ethylated by means of an ethyl halide, diethyl sulphate or ethyl p-toluenesulphonate to form dialkyl phenylethylmalonates which are valuable intermediates for the manufacture of certain therapeutically active barbiturates.

通过加入卤代乙烷，二烷基硫酸酯或者乙基p-甲苯磺酸酯，行程二烷基苯基乙基丙二酸酯，它是一种颇有价值的用于制造某些具有治疗活性的巴比妥盐的中间体。

By utilizing three benezenemulticarboxylate derivatives (H2chdc, H2aip, NaH2sip), we obtain 12 coordination polymers. Especially, compelexes 1 and 2 are based on one-dimensional ···OHInOHIn···chains as building units, while complex 3 is based on double four-ring [In8(μ2-O)4(μ2-H2O)8]16+, complex 4 is based on trinuclear In3(μ3-O)(CO2)6, complexes 11 and 12 are both based on nested bistranded helices.

选择了三类取代苯羧酸配体： 2，5-二羟基-1，4-对苯二甲酸(2，5-H2chdc)； 5-氨基间苯二甲酸(5-H2aip)； 5-磺酸基间苯二甲酸钠盐(5-NaH2sip)和InCl3反应合成了十二个配位化合物：其中1、2以···OHInOHIn···链为构筑单元， 3以双四元环[In8(μ2-O)4(μ2-H2O)8]16+为构筑单元，4以棱柱状三核铟In3(μ3-O)(CO2)6为构筑单元，而11、12以嵌套的双股螺旋链为构筑单元。

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％。