查询词典 formaldehyde solution

The invention relates to formaldehyde, methanol and N, N-dimethyl hydroxylamine coexisting analysis method.

本发明涉及甲醛、甲醇和N，N-二甲基羟胺共存时的分析方法，属有机化学分析技术领域。

The invention is easy to operate, and has high accuracy. It could take rapid analysis to the coexisting formaldehyde, methanol and N, N-dimethyl hydroxylamine.

本发明的分析方法分析时间短，速度快，操作简易方便，分析精确度较高，可同时对共存时的甲醛、甲醇和N，N-二甲基羟胺进行快速分析。

Today, two systems are used commercially: one is for the deposition of copper by means of formaldehyde as the reducer and another of nickel using either boranates or hypophosphite as reducer .

目前，在塑料上化学沉积金属已经取得工业应用的体系有2种，一种是以甲醛为还原剂的化学镀铜，另一种是硼氰化钾或次磷酸盐为还原剂的化学镀镍。

Originally techniques dropped formaldehyde into the mixture of phosphorous acid and monosodium of imino diacetic acid in high temperature. Owing to phosphorous acid is produced from phosphorus trichloride in industry by hydrolysis, inspissation and crystallization, if we use phosphoros trichloride directly on synthesize N- iminodiacetic acid, not only can simplify operation, but also can reduce the cost and save energy.

原工艺采用的是在酸性条件下高温时将甲醛滴加到亚磷酸与亚氨基二乙酸一钠盐混合溶液中进行反应，考虑到工业上亚磷酸的合成一般采用三氯化磷水解、提浓、结晶制得，直接将三氯化磷用于双甘膦的合成，不仅可以简化操作过程，而且对于降低生产成本和能耗有明显意义。

Twelve different adhesives such as resorcinol-formaldehyde resin, aqueous emulsion-type isocyanine resin, poly emulsion, epoxy resin, etc.

使用了12种黏胶剂，如间苯二酚-甲醛树脂，水乳型异花青树脂，聚乙烯乳状液，环氧树脂等。

The long-term inhalation lf harmful gas such as formaldehyde,benzene,xylene given off from the coatings may harm the immune system and cause leucocythemia,They are especially sensitive to women and children,Pregnant women inhaling benzene may cause malformed baby or abortion .

涂料中的甲醛、苯、二甲醛等释放出的有毒气体，长期吸入人体会损害人体免疫功能，导致白血病，尤其妇女、儿童最为敏感，而孕妇吸入苯会导致胎儿畸形或流产。

Solar light pipe combined with photocatalysis to decompose formaldehyde under sunny conditions in summer in beijing.

太阳能光催化-导光管北京夏季晴天降解甲醛的实验研究。

Grinding the coal powder mixed with a few linotype phenol - formaldehyde resins, the surface of the coal powder was modified by the meehanoehemical effect during ball milling.

在神府煤粉中加入少量线型酚醛树脂后在行星球磨上进行混合球磨，利用球磨过程中的力化学作用对煤粉进行表面改性，用傅立叶变换红外光谱、热重分析仪和激光粒度分布仪等对改性后煤粉进行了表征。

Quickly remove the harmful chemical gas such as ammonia, formaldehyde, benzene and toluene; Leach away various smokes, and lustrate other harmful gas that create by organism and mineral, make the air fresh.

快速去除氨、甲醛、苯、甲苯等有害化学气体、滤除各种烟味和驱除其它有机或无机物产生的对人体有害的气体，清新空气。

Potassium mercuric tetrachloride absorption accuracy and precision is better than formaldehyde absorption.

四氯汞钾吸收法的准确度以及精密度优于甲醛吸收法。

The use of the web to spread fears that flicking the switch on the LHC could create a Black Hole that could swallow up the Earth particularly concerned him, he said.

他说，使用互联网散布恐慌说启动LHC会生成一个可能吞噬地球的黑洞的做法让他感到忧虑。

Not a single word have I written down.

我一个字也没有写下来。