查询词典 acid process

Special engineering plastics: GE; Basf; Polyplastics; DuPont; DSM; Japan Teijin; 2, agents have the German brand Ensinger, Gehr, Quadrant, as well as Taiwan HENGXIANG long: 3, agent SERO, AGRU high-performance polypropylene, reinforced polypropylene, high density polyethylene, polyvinylidene fluoride flat-walled pipes, pipe fittings, Pipe and metallurgical industry process PPH acid trough, chemical corrosion of equipment.

代理SERO、AGRU高性能聚丙烯、增强聚丙烯、高密度聚乙烯、聚偏二氟乙烯平壁管道、管件，缠绕管及治金行业工艺处理PPH酸槽、化工耐蚀设备。

This paper introduces the synthetic technological process of a new type of food antiseptic sorbic acid in detail.

详细介绍了新型食品防腐剂山梨酸的合成工艺路线，山梨酸国内外生产现状与市场概况，山梨酸在食品和饲料加工业中的应用。

This work provided valuable information for development of an efficient process to produce microbial lipid from Spartina anglica acid hydrolysate.

为高效利用大米草，将大米草开发为一种能源植物，提供了新的途径。

The preparation process of stannous octanoate (stannous 2-ethylhex-anoate)which is manufactured by reaction of anhydrous stannous oxide with 2-ethylhexanoic acid has been researched in this paper.

本文对氧化亚锡与异辛酸反应制备辛酸亚锡（2－乙基已酸亚锡）的工艺进行了研究。

The usual chemical process involves making succinic acid from crude oil or natural gas.

一般的化学方法需要从原油或天然气制取琥珀酸。

High molecular weight poly was obtained from succinic acid and 1,4-butanediol through a polycondensation process.

以丁二酸、丁二醇为原料，通过直接缩聚反应合成了高分子量聚丁二酸丁二醇酯。

Electrolyte dried, cathode sulphation, low voltage constancy, thermal out of control for valve regu lated lead acid battery in using were discussed, they were important for design and using conditions of VRLAB as well as VRLAB manufacturing process.

阀控式铅酸蓄电池在使用过程中存在电解液干涸、负极板硫酸盐化、电压均一性差、热失控等问题，这些问题除了和阀控式铅酸蓄电池的设计与使用条件有关外，还和阀控式铅酸蓄电池的生产过程有很大关系。

In the process of the sulphonate reaction, we use 1,2-dichloroethane as solvent and chlorosulfonic acid as the agent of sulfonation.

环化反应采用1，2-二氯乙烷作溶剂，用氯磺酸作磺化剂，在回流温度下进行磺化反应，3-十二烷基蒽醌磺酸的收率为85.75%。

It indicated that the PES could be uniformly dispersed in melt ε-caprolactam with small domains depending on the strong interaction between the components, The hydrogen bonding was formed between the hydrogen atom on acid amide groups and the sulphone on PES resulting in the process of the dissolution of PES in melt ε-caprolactam being greatly accelerated.

结果表明，依靠其组分之间强烈的作用力，使PES能以较小的相畴均匀的分散在尼龙6基体中；酰胺基团上的氢原子能与聚醚砜中的砜基之间产生氢键作用，从而促进了聚醚砜在己内酰胺熔体中的溶解。

Phenolic resin/montmorillonite hybrid resin were prepared by Zn_2 catalyst and cured by p-toluene sulphonic acid through one step process in this paper.

在醋酸锌催化剂作用下，采用边缩聚边插层的一步法制备了酚醛树脂/蒙脱土杂化树脂，并采用对甲苯磺酸为室温固化剂制得酚醛树脂/蒙脱土复合材料。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。