中间体

Some important derivatives have been synthesised in this paper.

本文还研究了一些重要中间体的合成方法。

The reaction is most likely initiated by electrophilic addition of NO to the C-C double bond specifically at the a-position.

反应可能是由少量NO_2对C=C的加成引发的，推测反应过程中在羰基β位形成了以碳为中心的自由基中间体。

The corporation takes the economic construction and market demand as the orientation and strengthen research and new technical development of new medicines,farm chemical intermediates and new flame retardants, and it built wellequipped production base.

公司以市场需求为导向，加强新型医药，农药中间体及高效阻燃剂新产品的研究与新技术开发，建设了设施齐全的中试基地和生产基地。

Functional Chemicals is a main business unit of AkzoNobel Chemicals, the headquarter is in Amersfoort, the Netherlands.

阿克苏诺贝尔功能化学品事业部，总部位于荷兰阿姆斯福特，拥有6个子事业部，生产化学中间体和助剂。

Uniform design experimental method and GA-BPNN modeling method were applied to optimize the technical parameters, and the solubility of cholic acid in intermediate was taken as optimizing index.

以清开灵注射液八混液中间体中胆酸的溶解度为指标，通过均匀设计，结合基于遗传算法的BP神经网络建模，对工艺参数进行优化。

P-Nitrochlorobenzene is an important intermediate of azo dye and sulfur dye.

对硝基氯苯是偶氮染料和硫化染料的重要中间体。

Amino-3-cyan-N-(2,6-dichloro-4-trifluoromethylphenyl)pyrazole was the important intermediate which was used to synthesize the efficient insecticide "Regent", which was researched and gone in to operation firstly by French Phone Poulenc company.

中文摘要： 5-氨基-3-氰基-N-(2，6-二氯-4-三氟甲基苯基)吡唑是合成高效杀虫剂&锐劲特&的重要中间体，最先由法国罗纳普朗克公司研发并投产，在国内鲜有相关的合成报道。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。