三钠的

As the second part of a series of studies on the synthesis of 2-phenoxyisobutyric acid ethyl ester by tri-liquid-phase catalysis, this work examines the factors affecting the reaction between 2-bromoisobutyric acid ethyl ester and sodium phenolate with tetra-n-butylammonium bromide as a phasetransfer catalyst.

本文为以三液相催化技术合成2-苯气基异丁酸乙酯之研究系列的第二部份，主要在探讨各变因对以溴化正四丁基铵为相间转移触媒，催化2-溴异丁酸乙酯与酚化钠（NaOPh，水相亲核试剂）反应的影响。

Benzyloxy benzoyldimethylsulfoxide was prepared by the reaction of ethyl 4-benzyloxybenzoate and dimethyl sulfoxide in the presence of sodium hydride, followed by Pummerer reaction with concentrated hydrochloric acid to afford eo-hydroxy-co-thio-methyl-(4/-benzyloxy) acetophenone, which reacted with urea, thiosemicarbazide, semicarbazide hydrochloride and o-phenylenediamine to give imidazolidine-2,4-dione, l,2,4-triazine-3- one and quinoxaline derivatives, respectively.

本文用4-苄氧基苯甲酸乙酯和二甲亚砜为原料，在氢化钠存在下反应，合成了(4′-苄氧基)-苯甲酰基-二甲亚砜。研究了该亚砜在浓盐酸的存在下发生的Pummerer重排反应，用重排产物ω-羟基-ω-甲硫基-(4′-苄氧基)-苯乙酮分别与尿素、氨基脲、氨基硫脲和邻苯二胺反应合成了2，4-咪唑啉-二酮、1，2，4-三嗪-3-酮、喹喔啉等含氮杂环化合物。

The method was used to examine the interaction process of cetyltrimethyl ammonium bromide and sodium dodecyl sulfate with lysozyme in aqueous solution.

提出了用串联式压电石英晶体传感技术研究离子型表面活性剂与蛋白质之间相互作用过程的新方法，并用这种新方法研究了溴化十六烷基三甲基铵和十二烷基磺酸钠与溶菌酶在水溶液中的相互作用过程。

To December 31, 1997 ended, the company has an annual production capacity 10,000 tons of production capacity of antimony series products, has developed a catalytic antimony trioxide, antimony sodium, five antimony oxide, antimony oxide dust and other 14 kinds of antimony new products, become the country's antimony industry the most complete variety of enterprises, is the second largest - producer of antimony products.

至1997年12月31日止，公司已形成年产10000吨锑系列产品的生产能力，先后开发出催化型三氧化二锑、锑酸钠、五氧化二锑、无尘氧化锑等十四种锑系新产品，成为全国锑行业品种最为齐备的企业，是全国第二大-锑品生产企业。

Three methods were used to prepare basic lithium phosphate, of which the deposition-precipitation method using sodium phosphate as raw material and the mixing method was better.

用三种方法制备碱性磷酸锂催化剂，其中以磷酸钠为原料的沉积沉淀法与机械混合法制备的催化剂性能较好。

The experimental conditions for measurement on the content of aluminium, calcium, magnesium, manganese, phosphor, silicon and titanium using ICP-AES method according to GB/T6730.63—2006 have been tested and analyzed. In the experiments the iron ore sample is decomposed and extracted using sodium carbonate/sodium tetraborate with proper acidity as the flux and then a working curve is drawn up using extremely pure ferric oxide (F2O3) as the primitive. And in the end the correlation coefficient r attains to 0.999 and above.

试验ICP-AES法测定铁矿石中铝、钙、镁、锰、磷、硅和钛国家标准方法GB/T6730.63－2006的实验条件，用碳酸钠/四硼酸钠作熔剂分解铁矿石样品，适当的酸度浸取，以高纯三氧化二铁打底作工作曲线，相关系数r达0.999以上。

In order to understand the influence of the selenium to the flag leaves of wheat on the Antioxidation systems and the yeild under the field condition, the effects of the form and treat-time applying Na2 SeO3 and the agent of rich selenium were analyzed.

为探讨大田条件下硒对小麦抗氧化性能及籽粒中硒含量的影响，以亚硒酸钠(Na2SeO3)和富硒增产素为硒源，从硒的用量、形态和喷施时间三个方面进行了分析。

Reaction (1) was examined with different kinds of acetal substrate(1) and vinyl ethyl ether, and the results indicated that the 1, 1,3-triethoxy compounds could be obtained in high yields of 88 and 97% respectively when the R groups of the acetal are phenyl and anisyl, while the yields amounted only to 55-75 % for R=a...

有证据表明这种催化反应也可能是通过正碳离子中间体进行的。本反应的产物1，1，3-三乙氧基化合物经乙酸/乙酸钠溶液水解可得反式α，β-不饱和醛。水解产率：芳香族产物大于90%，脂肪族产物大于75%。

The sodium dihydroxy phosphate solution was added 0.4% triethylamine and adjusted its pH to 6.0 by adding 20% phosphate acid. The electrodes potential were set at 300mV, 400mV, 550mV and 650mV.

液相色谱的流动相为30mmol/L磷酸二氢钠水溶液：甲醇=90：10(其中水溶液中加入0.4%三乙胺，并用20%磷酸调pH至6.0)；四组电极的检测电势分别为300mV、400mV、550mV和650mV。

The polymerization reacts from the inverse emulsion . Selecting white oil as continuous medium , Span60 and TX-10 as the complex emulsifier , AM-01﹑(NH4)2S2O4 and NaHSO3 as new-type complex initiator , the copolymerization of dimethylamino ethyl acrylate methyl chloride/acrylamide was developed . The effects of the concentration of monomer﹑emulsifier and initiator﹑ temperature﹑reaction time and pH on the molecular weight﹑intrinsic viscostity﹑conversion ratio and cation degree of copolymer were studied .

以反相乳液为初始聚合体系，油酸失水山梨醇酯Span60和辛基酚聚氧乙烯醚TX-10构成复配乳化剂，白油为连续介质，AM-01、过硫酸铵和亚硫酸氢钠组成新型复合引发体系，进行丙烯酰胺/（2-甲基丙烯酰氧乙基）三甲基氯化铵的反相准微乳液共聚合，研究了单体浓度、乳化剂、反应温度、反应时间、pH等因素对聚合产品分子量、特性粘数、转化率及阳离子度的影响。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。