Hardly soluble in water, alcohol, methyl acetate or ammonia liquid, but soluble in acids.

Several new synthesis methods for methyl acetate are described and reviewed in this paper.

几种合成醋酸甲酯新方法的研究进展被介绍和评论.

The purity of methyl acetate is 99.8 %. It can satisfy industrial requirements.

此工艺得到的醋酸甲酯纯度可达到99.8%(质量分数)以上, 能够满足工业需求.

The performance of vinyl acetate-vinyl versatate latex has been up to styrene-acrylate and acrylate.

目前叔醋乳液的性能已经接近苯丙、纯丙, 叔 醋乳胶涂料得到迅猛发展.

Solution vinyl coating are based on copolymers or terpolymers of vinyl, vinyl acetate, and other monomers.

可溶解乙烯基树脂是氯乙烯 、 醋酸乙烯和其它单体共聚物或三元共聚合物.

To test detection of vinyl acetate in air of workshop with gas chromatography.

本文主要探讨用气相色谱测定车间空气中醋酸乙烯酯的方法.

Hotmelts is a major component of EVA ( ethylene vinyl acetate copolymer ).

热熔胶的主要成分是EVA ( 乙烯醋酸乙烯共聚物 ).

Comparing method with lead acetate sedimentation analysis, the determination result of the former is more accurate.

与常用的醋酸铅沉淀法相比, 测定结果虽稍高一点,但更接近烟叶中多酚的实际含量.

The toxicity of lead acetate on embryo development in vivo was investigated on mice addinginto water.

采用饮水染毒法研究碱式醋酸铅对小鼠早期胚胎体内发育的毒性.

To indicate the feasibility of acetic ester carboxylation process in China based on making process comparison.

通过对各种生产工艺的对比,提出了醋酸甲酯羰基化工艺在我国的可行性.

Hydrophilic membranes were prepared with key components of sodium silicate, acetic ether, polyacrylamide, etc.

以硅酸钠 、 乙酸乙酯 、 聚丙烯酰胺等为主要成分制备出亲水膜层.

Pricked. Term applied to wines spoiled by acetic acid bacteria.

尖刺感的:用于描述葡萄酒受醋酸菌侵害而变质.

It is also used for salvaging acetone-body patients because of its resisting acetone-body effect.

有较强的抗酮体作用,可用以抢救酮体病人.

In most cases, it is best to allow a burning acetylene cylinder to burn itself out.

在多数情况下, 最好让正在燃烧的乙炔钢瓶自己烧完.

As a 10-year-old kid Pauline used a stolen acetylene torch the globe of a gumball machine.

还是10 岁 小孩的时候,他就用偷来的乙炔枪割掉过口香糖贩卖机上的大罐子.

In addition, in case of emergency can be acetylene torch on the pull down hose.

此外, 在紧急情况下可将焊炬上的乙炔胶管拔下来.

Heated with water decomposition of acetylene gas and calcium hydroxide, and the evolution of considerable heat.

遇水激烈分解产生乙炔气和氢氧化钙, 并放出大量的热.

Yedan, oxygen, nitrogen, acetylene gas, acetylene sales; Chemical products, metal Dianliao, plumbing materials, supplies wash sales.

液氮 、 氧气 、 氮气 、 氩气 、 乙炔的销售; 化工产品 、 五金电料 、 水暖建材 、 洗涤用品的销售.

They had a good time at the party. I stayed in the dorm. I tooth-ache.

他们在晚会上玩得很高兴, 我却呆在宿舍, 我牙疼.

My Grandpa had a tooth ache yesterday?

昨天我爷爷牙痛.

You can't feel at ease with a tooth ache.

牙痛时说什么你也不会好受的.