formaldehyde GMAT

Formaldehyde is widely used in vinylite, plastic, rubber, paper making, pharmacy, and antisepsis and so on.

甲醛用途十分广泛，涉及合成树脂、塑料、橡胶、造纸、制药和防腐等领域。

The technique for preparing phenol formaldehyde resin from phenolated wood (PWF) and its characters were studied and analyzed.

本文究了用酚化木材制备酚醛树脂的技术,并对其进行分析。

Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.

茜素络合指示剂是在碱条件下由茜素、甲醛和亚氨基二乙酸缩合而成。

Glycoluril prepared under optimized process conditions has the following good properties of low content of free formaldehyde,durable and stable and crease-proofing.

用优化的工艺条件制备的甘脲树脂，具有游离甲醛含量低、耐久定型、抗折皱的优良。

Say in findings report, the chemical contaminant that exists generally in French household is acerbity salt of formaldehyde, aldehyde, phthalein and DDVP.

查报告中说，在法国家居中普遍存在的化学污染物是甲醛、乙醛、酞酸盐和敌敌畏。

Result The top 5 chemical allergic resources of these patients were 0.1% thiomersalate, 5% nickel sulfate,7% aromatic compound,1% formaldehyde( water solution),1% styrene.

结果居常见致敏原前5位的化学物质分别是0.1%硫柳汞、5%硫酸镍、7%芳香混和物、1%甲醛(水溶液)、1%肉桂醇。

This paper describes a new technology for production of rongalite based on sodium pyrosulfite reduced by zinc powder and reacted with formaldehyde.

斜述了用焦亚硫酸钠为原料,经锌粉还原与甲醛加成反应,生产次硫酸氢钠甲醛的新工艺。

In this paper, the PVA of major component in the Sensitized emulsion was modified by the polyreaction with formaldehyde, butyl aldehyde, furfural and alcohol.

用甲醛、丁醛、糠醛对重氮感光胶中的主要成分聚乙烯醇进行改,以增强感光胶的耐水和耐磨。

Overseas research progress of new process for synthesis glycerol from formaldehyde is introduced. Close relationship of the technology yielding with formose technique is reviewed.

介绍国外甲醛制甘油新工艺的究进展,阐述了该技术的产生与甲醛聚糖技术的密切关系。