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By reacting isobutyraldehyde with diethyl oxalate using sodium methoxide as catalyst,3-methyl-2-oxobutanoic acid,sodium salt was prepared by one pot.

采用甲醇钠催化异丁醛与草酸二乙酯反应，一釜法合成了3-甲基-2-氧代丁酸钠。

By reacting isobutyraldehyde with diethyl oxalate using sodium methoxide as catalyst,3-methyl-2-oxobutanoic acid,sodium salt was prepared by one pot.

3-甲基-2-氧代丁酸钠是一种重要的酮酸类化合物，它在制药工业、高分子工业、食品工业、日化业等领域都有着广泛的用途。

The title compound was prepared by reacting (NH4)6(Mo7O24).4H2O with isopropylamine and formic acid.

本文研究了[NH3Pr^4]6[Mo8O282]。2H2O单晶在紫外光辐照后的电子顺磁共振谱法。

In reacting to the news Stefan Jacoby, President/CEO of Volkswagen of America, Inc. said: It is a tremendous honour for Volkswagen to have its global best selling model, the Golf, named the 2009 World Car of the Year.

在斯特凡雅各比的消息，总裁/首席执行官的大众汽车的美国公司说：这是一个巨大的荣幸大众将其全球最畅销的模型，高尔夫球，命名为2009年世界年度风云车。

Mr. Loyd, reacting to a reporter's question about the Agriculture Department's handling of theissue, said,"In hindsight, reporting it would have been the thing to do."

阿理不答(按照不负责翻译社所翻译，以下皆同)回应一位记者问到农业部对此一事件的处理时答道：事后来看，应该是要公布出来的。

Methods Activate groups A and C meningococcal polysaccharide with cyanogens bromide and prepare into MenAPS-ADH and MenCPS-ADH derivatives by reacting with 1, 6-adipic acid dihydrazine. Mix MenAPS-ADH and MenCPS-ADH derivatives with purified tetanus toxoid at a certain mass ratio, then add l-ethyl-3(3-dimethylaminopropyl)-carbodiimide to prepare bulks of MenAPS-TT and MenCPS-TT conjugates respectively. Mix the two bulks at a certain ratio, add stabilizer and lyophilize to prepare group A+C meningococcal polysaccharide conjugate vaccine.

A群和C群脑膜炎球菌多糖在溴化氰的活化下，以1，6己二酰肼作为连接子，与精制破伤风类毒素在碳二亚胺作用下结合，再按一定的比例将两者混合，制成A+C群脑膜炎球菌多糖结合疫苗原液，加保护剂冻干后，制成A+C群脑膜炎球菌多糖结合疫苗。

Based on agents capability of perceiving and reacting on environment, MultiAgent Genetic Algorithm was proposed as a new method of function optimization. MAGA had a rapid convergence velocity especially when it optimized superhigh dimensional functions.

多智能体遗传算法是基于智能体对环境感知与反作用的能力提出的一种新的函数优化方法，具有很快的收敛速度，尤其是在优化超高维函数时更显示出了它的优越性。

N-(6-methyl-2-pyridine)-amino-methylene-diethyl malonate was produced by condensation reaction of 2-amino-6-methyl pyridine with ethoxymethylene diethyl malonate under optimal conditions that n(2-amino-6-methyl pyridine)∶n(ethoxymethylene diethyl malonate) is 1∶1.3, reacting time 45 min and temperature 130 ℃,the yield of this reaction was 96%,which was 6% higher than that of literature.

在250℃的反应温度下，分别以二苯醚、石蜡油和邻苯二甲酸二乙酯为热载体进行成环反应，得到4-氧-7-甲基-1，8-萘啶-3-羧酸乙酯的收率分别为88.6%、56.3%和61.2%，确定二苯醚为最佳热载体，并发现反应温度对产率的影响最大，原料配比次之，反应时间基本无影响。

By combining resolution and protection of DBSPINOL with menthyl chloroformate, the enantiopure SPINOL and other 4,4'-derivatives have been synthesized effectively via (1S)--4,4'-dibromo-l,r-spirobiindane-7,7'-diyl bis-menthyl carbonate with n-BuLi following reacting with electrophiles of I2, MeI, CO2 and water.

在制备其它衍生物反应中，薄荷醇碳酸酯成为羟基的保护基，DBSPINOL碳酸酯用正丁基锂处理后，再和亲电试剂作用合成了其它4，4'位二碘代、二甲基取代和二羧基取代SPINOL新化合物。

Mercapto derivatives yield persulfide products that are potential sources of sulfane sulfur, which may modify protein function by reacting at important cysteinyl domains.

疏基衍生物产生的过硫化物是硫烷硫的潜在来源，后者可通过与重要的半胱氨酸区域反应来调节蛋白功能。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。