产物

With the increasing of the concentration of alkali, the content of insolubility of the product reduces initially but increases later, the DS of product increases initially then reduces later. The product has good solubility and high DS at 10% content of alkali. The insoluble product reduces at initially and then keeps stability later with the time of basification extending. With the increasing of the content of water in system, theinsolubility of the product reduces initially and then increases later.

随着碱浓度的增加，产物中水不溶物含量先降低后增加，取代度先上升后下降，在10％时，水溶性最好，取代度最高；延长碱化时间，产物中水不溶物含量下降，之后趋于稳定；提高反应体系中水的含量，产物中水不溶物含量先降低后增加，在7％时，水溶性最好，延长分散时间，产物中水不溶物含量下降，取代度提高；醚化剂以少量多次的方式滴加，产物水溶性好。

The invention relates to a continuous process for recovering caprolactam from aqueous caprolactam product, said aqueous caprolactam product comprising caprolactam, impurities, and water, said process comprising: adding alkali hydroxide to the aqueous caprolactam product, in an amount of not more than 100 mmol alkali hydroxide per kg of caprolactam; reacting at least part of the added alkali hydroxide to form alkali amino caproate, to obtain a caproate-enriched caprolactam product; and distilling the caproate-enriched caprolactam product at reduced pressure.

本发明涉及从含水己内酰胺产物中回收己内酰胺的连续方法，所述含水己内酰胺产物包括己内酰胺，杂质，和水，所述方法包括：以不超过100mmol碱金属氢氧化物/kg的己内酰胺的量将碱金属氢氧化物加入到含水己内酰胺产物中；让所添加的碱金属氢氧化物的至少一部分起反应，形成碱金属氨基己酸盐，以获得了富含己酸盐的己内酰胺产物；和减压蒸馏富含己酸盐的己内酰胺产物。

Dichlorophenoxyacetic acid (2,4-D), a widely used herbicide, was treated by the ozonization technology in the laboratory.During the 2,4-D ozonization, the main categories of intermediates included chloric aromatics, dechlorinated aromatics and organic acids.Some of these intermediates have relatively high toxicity.Therefore, it is crucial to study the kinetics trend of intermediates diversion.

采用臭氧化高级氧化技术对2，4-D（2，4-二氯苯氧乙酸）污染物进行降解，2，4-D降解过程中会产生含氯芳香中间产物、无氯芳香中间产物和有机酸类中间产物，其中部分中间产物具有较高毒性，因此研究2，4-D臭氧化过程中间产物的动力学变化趋势是非常重要的。

The contents are mainly divided into three parts: The first part describes mechanism and metabolism rule of natural products and its classification ; The second part is about the growth and development of plants and their mutual relationship, natural biological active substances which are produced in the course of defending plant diseases and insect damages. The third part is not only the function and principle of medicine, anticancer and antioxygen activity of different kinds of natural products such as resin ,essential oil, high molecule, grease and so on but also their application. The fourth is security problem of Plant Natural Products. Through the lessons, we can correctly understand and use the relationship between plants and environment.

其课程分为13章，内容主要分为4大部分，一是阐述植物天然产物的发生机理和代谢规律，介绍相关主要植物种类，并对天然产物进行化学分类；二是讲述植物天然产物和自身生长发育之间的关系、天然产物如何影响植物之间的相互关系、以及植物如何利用天然生物活性物质抵御病虫害的威胁；三是详细描述了各种天然产物，如植物自身生长发育过程中所产生的活性物质、植物与其它生物之间的相互关系中所产生的生物活性物质、植物毒性物质、植物药理活性物质、植物抗生物质、植物树脂、植物精油、植物高分子、植物油脂、植物抗氧化活性成分等，并阐述它们的药理活性、抗癌性、抗氧化性等对人类健康起作用的的功能和原理；四是提出了植物天然产物的安全性问题，并介绍相关案例和介绍相关法规；在此基础上还专门讲述了树脂、精油、高分子、以及油脂类等天然产物的应用。

IR analysis indicated that both of the results were accorded with their standards IR spectrum and that the products of alkylation and animation were polyisobutylene succinic anhydride and ashless dispersant TEPA.

通过烃化产物和胺化产物的红外光谱分析，并分别与其标准谱图对照比较，看出产物红外谱图与标准谱图相符，可以确认烃化产物和胺化产物即为聚异丁烯丁二酸酐和聚异丁烯丁二酰亚胺无灰分散剂。

Or FR4 PCB, bromide exsited mainly in pyrolysis gas and gas products mainly consisted of CO, CO2, propylene, 2-methacrylate, bromomethane, and a small amount of acetone, C1-C3 halogenation alkyls. The pyrolysis gas could be reclaimed as fules after debromide treatment. Pyrolysis liquid products consisted of 8.333% water and 91.667% oil component.

R4板中溴元素主要存在于气体产物中，气体产物主要为CO、CO2、丙烯、2-甲基丙烯、溴甲烷以及其他小分子烯烷烃产物，气体产物可通过除溴无害化处理作可燃气回收；液体产物中含有8.333%的水和油质成分。

From comparative research of synchronous and asynchronous reaction of dehydrogenation and cracking of dipentene,it is shown that farraginous extent of by-products from synchronous reaction is relatively high.

双戊烯脱氢裂解的同步反应和异步反应对比研究显示，双戊烯脱氢裂解的同步反应产物比较混杂，反应产物中甲苯的相对含量仅为24.03%，双戊烯相对于甲苯的料耗比为5.34，甲苯的得率为30.79%，中间产物对伞花烃的得率为2.49%；双戊烯脱氢裂解的异步反应产物混杂程度相对较低，反应产物中甲苯的相对含量为40.74%，对伞花烃的相对含量为18.31%，双戊烯相对于甲苯的料耗比为3.33，甲苯的得率为49.26%，中间产物对伞花烃的得率为16.92%。

The Ni-Fe and Mg-Al-Fe-LDH show paramagnetism at normal temperature, the calcined samples of LDHs show super-paramagnetism. The magnetization increases with the higher Fe~(3+) content and is independent of the crystal structure of LDHs. Magnetization of the calcinates of Ni-Fe-LDHs is higher than the Mg-Al-Fe-LDHs.3. Two novel SFME systems were found for the first time, that is furaldehyde/DMF/water and furaldehyde/ethanol/water system.

结果表明，Ni-Fe和Mg-Al-Fe型LDHs本身及其煅烧产物在常温下均呈现顺磁性，其煅烧产物均呈现超顺磁性；同类LDH中其煅烧产物的磁性大小与Fe~(3+)含量成正比而与LDH的晶体结构无关，Ni-Fe LDHs及其煅烧产物的磁性强于Mg-Al-Fe LDHs及其煅烧产物，。3。

As to the high polarity, high boiling point resultant—trimesic acid, the analysis methods of infrared spetrum, gas chromatography-mass spectroscopy, vapour-phase chromatography, acid number titration and so on are seperately used to characterize its property. Infrared spetrum and gas chromatography-mass spectroscopy are used to have a qualitative analysis on the resultant and are compared with the stand diagram. Sulfuric acid-methanol esterification and rapid esterification are used to prepare the trimesic acid trimethyl-ester and have a FID quantitative analysis. So that we make sure the purity of trimesic acid in the resultant and also we have an acid alkali titration on the resultant to get its acid number, in order to verify the purity of trimesic acid in the resultant.

对于高极性、高沸点的固体产物均苯三甲酸，分别采用红外光谱、气质联用、气相色谱、酸值滴定等分析手段进行了表征：利用红外光谱、气质联用的方法进行产物的定性分析，并与在同一仪器、同一条件下做出的标准谱图进行比对；采用硫酸-甲醇酯化法和快速酯化法制备出均苯三甲酸三甲酯，对其进行气相色谱FID定量分析，进而确定固体产物中均苯三甲酸的纯度；用酸碱滴定法确定固体产物的酸值，以对固体产物中均苯三甲酸的纯度进行验证。

~ of sth state or thing that is the result of sth 产物: Flower power was a product of the sixties.

戴花嬉皮士的信仰是六十年代的产物。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了