查询词典 method of synthesis

Such as,(1) Active Zincdust catalyzed the esterification reactions between benzoyl chloride and phenol or alcohol,which needed not solvent, warming and could fulfilled in a very short period (1-2min), andthe handling of the reaction mixtures was very simple. We believe it's the simplest and mosteconomic method for the synthesis of many aryl esters.

包括：(1)活性锌粉催化的酯化反应，在室温下即可反应，毋需溶剂，毋需加热，反应迅速(通常1—2分钟即可反应完全)，处理非常简便，相信目前是合成许多芳香酯最简便的方法，是一种值得加以推广的合成芳香酯的好方法。

Therefore, it is very important to study on high nitrogen content diamond synthesis in HPHT condition.In this study, we use a cubic anvil HPHT apparatus. Using catalysts, graphite and addition of NaN3, large green single crystal diamond with high nitrogen concentration is firstly synthesized by temperature gradient method.

本文使用国产六面项压机，首次用不同触媒(FeNiMnCo、FeNiCo)+C+不同比例的添加剂NaN3合成出具有完整晶型的优质深绿色高氮含量宝石级金刚石单晶，研究了NaN3对宝石级金刚石中氮含量及生长行为的影响。

A new convenient synthesis of a series of 1-aryl-2-propanones using aromatic amines as precursors, via diazo reaction and improved Meerwein arylation reaction under mild conditions, was achieved. In addition, 1-[3,5-bisphenyl]-2-propanone is a new compound among the synthesized compounds. This approach is an efficient synthetic method for the aryl-propanones with the different substituting groups.

以芳香胺为原料，经重氮化和改进的Meerwein芳基取代反应，合成了一系列的1-芳基－2-丙酮，其中1-（3，5-二三氟甲基苯基）2-丙酮是一个新化合物改进后的方法简化了合成步骤，提高了收率，可方便地用于在苯环上具有不同取代基的芳基丙酮的合成。

Sewage Department, specializing in power plants, steel mills, chemical plants and other large-scale sewage treatment works to provide design and equipment, the company patented product "industrial life of recovery and recycling use of waste water treatment equipment","mud-money machine","water or aeration device,""rotary aeration sewage treatment plant","anaerobic / aerobic integrated ultra-deep-seated biological nitrogen removal from wastewater aeration method and device","Industrial Water Treatment Algicide use sterilization and synthesis methods,"" ultrasound device removal "and so on.

英语翻译恳求各位高手翻译成中文，污水处理部，专业从事电厂、钢厂、化工厂等大型污水处理工程设计和配套设备提供，公司专利产品&将工业生活废水回收循环利用的水处理设备&、&清泥机&、&跌水曝气装置&、&转盘式污水处理曝气装置&、&厌氧／好氧一体化超深层曝气废水生物脱氮方法及其装置&、&工业水处理用杀菌灭藻剂及其合成方法&、&超声波除藻装置&等。

To date, our method represents the shortest synthesis of these two alkaloids.

在论文的第二部分，我们将发展的方法应用到喹啉及异喹啉体系中，取得了一些好的结果。

The synthesis of target compound 6 was by mixture anhydrides method.

结论采用重复过量混合酸酐法合成了目标化合物（6），所用方法经济、有效、可靠。

A facile one-step method waspresented for the synthesis of N-fluoroalkanesulfonyl amidines 〓 inmoderate to good yield from the reaction of azides, ketones or aldehydes, andsecondary amines at room temperature.

在和无官能团取代的烯胺化合物的反应中，它发生了烷基迁移过程，而且利用该反应我们实现了由酮或醛，二级胺和叠氮一锅法合成脒类化合物〓。

We developed a new method for the synthesis of cycl[3,2,2]azines.Using oxidant promoted 1,3-dipolar cycloaddition reaction, 3,5-dicarbonyl-indolizines were prepared. By treating with low-valenttitanium, cycl[3,2,2]azines were obtained in high yields.

我们通过l，3—偶极加成反应合成了多种3，5-二羰基中氮茚，然后在低价钛试剂作用下还原偶联，以较高收率得到各种取代Cycl[3，2，2]azine，开发了一种全新的Cycl[3，2，2]azine合成法。

Besides, this method can also be used in the synthesis of other catalysts.

另外，这种合成方法也可以用于其他催化剂材料的制备。

Meanwhile the chemistry prize, also split three ways, was awarded for "the development of the metathesis method in organic synthesis". In this case Yves Chauvin, Robert Grubbs and Richard Schrock were the recipients.

同时，化学奖也被分成三部分，授予了&创造有机合成中的复分解法&的人，他们分别是伊夫－肖万、罗伯特－格拉布和理查德－施罗克。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。