查询词典 chemical synthesis

Keywords: Haemaphysalis longicornis; juvenile hormone; chemical structure; synthesis site; physiological function

中文关键词：长角血蜱；保幼激素；化学结构；合成位点；生理功能

The synthesis of heterocyclic compounds ferrocene-containing has also attracted more attention because of their unique physical-chemical properties and biological activities.

由于含二茂铁基的杂环具有独特的物理化学性质和生物活性，它的合成也引起了人们的关注。

Chiral β-hydroxy acids are key intermidiates in chemical industry and organic synthesis.

手性β-羟基酸及其衍生物是应用化工和有机合成的关键中间体。

Glycolic acid (Hydroxyacetic acid, 2-hydroxyethanoic acid) is a chemical industry material. It is applied in a lot of fields including organic synthesis, cleanout, plating, spinning, leather and sterilization, etc.

羟基乙酸又称乙醇酸、甘醇酸，是一种重要的有机合成中间体和化工产品，广泛应用于有机合成、清洗、电镀、纺织、皮革、灭菌等行业。

In addition, ioding was found to be an efficient catalyst for the imino Diels-Alder reaction of N-arylimine and enol ethers and the reaction provided tertrahydroqinolines in good yields. One pot synthesis of tetrahydroqinolines from aldehyde, aniline and enol ethers was also achieved using iodine as the catalyst. The chemical yield of the"one pot"reaction was comparable with that obtained using preformed N-arylimine.

此外我们也发现碘能够有效地催化N-芳基亚胺与烯醇醚的Diels-Alder反应，以很高的化学收率得到了四氢喹啉衍生物，并且发现碘也能够直接催化芳香醛、苯胺、烯醇醚的三组分&一锅&反应，获得的化学产率与使用预制的N-芳基亚胺相当。

Use the method that the article determines to authority is worth, methylic to synthesis acrylic acid the course of two kinds of chemical industry of armour ester, namely different butene law (I-C4) and propylene law (C3) undertook green spends evaluation and analysis, make clear I-C4 law course more green.

采用本文确定权值的方法，对合成甲基丙烯酸甲酯的两种化工路线，即异丁烯法(i-C4)和丙烯法(C3)进行了绿色度评价和分析，表明i-C4法路线更为绿色。

The Fine-Chemical Team, Kunming University of Science and Technology, adds some purifying agents into the solution of fertilizer-grade monoammonium phosphate, and makes it conform to the necessity of aluminium dihydrogen tripolyphosphate synthesis.

特别提到昆明理工大学精细化工教研室，开展了肥料级磷酸一铵水溶液添加一定的净化剂，可使磷酸一铵水溶液达到合成三聚磷酸二氢铝的要求。

In summary, a low-cost but high-power microwave chemical reactor with double-magnetron based on noncoherent power synthesis is researched.

以上结果说明基于微波非相干功率合成技术的低成本大功率微波化学反应器的设计方法是合理的，这为低成本的大功率微波化学反应器的设计提供了重要的理论依据，对微波应用在化工领域的推广具有重要的现实意义。

In this paper, a novel low-cost microwave chemical reactor with multi-magnetron based on noncoherent power synthesis is presented.The shape and the volume of the cavity are obtained.

针对这些问题，本文提出了利用微波非相干功率合成技术采用多个小功率磁控管实现大功率微波化学反应器的设计方法，并对该方法进行了深入的研究。

Olefinic oxides,such as epoxides,ketones and aldehydes mainly prepared by oxidation of olefines,are important chemical intermediates, which are widely used in fine chemicals,polymer materials,organic synthesis,perfumer and medicament.

烯烃的氧化物是重要的化工原料，主要通过烯烃的氧化反应得到，广泛应用于精细化工、高分子材料、有机合成香料及医药等行业。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐