Instrumental measurements can never reach absolute accuracy and certainty.

The accused man proved his innocence of the crime.

被告人经证实无罪.

The accused is alleged to be a member of a right-wing gang.

据称被告是某右翼组织的成员。

The production procedure of polyvinyl acetate latex paint in polyvinyl formal solution was studied.

研究了在聚乙烯醇缩甲醛溶液中制备聚醋酸乙烯酯乳胶漆的方法.

Aim To improve the water tolerance and low temperature resistance of polyvinyl acetate ( PVAc ) emulsion.

目的改进聚 醋酸乙烯酯 乳液耐水性和耐寒性差的缺点.

Ensuring adequate sanitation of membrane systems, particularly those using cellulose acetate membranes, is difficult.

保证膜系统消毒充分, 尤其是使用纤维素醋酸酯时, 这很难做到.

Empty capsule was prepared from cellulose acetate ( CA ) membrane, which possesses ultrafiltration performance.

把高吸水材料封在具超滤功能的醋酸纤维素 ( CA ) 皮膜中, 制成胶囊.

The cross-linking reaction between dialdehyde compound and cellulose acetate raises the chemical stability of the material.

通过二醛类与醋酸纤维素类材料的交联反应,提高了材料的化学稳定性.

Isolate and determine the proteins of chicken serum by cellulose acetate membrane electrophoresis.

应用醋酸纤维薄膜电泳法分离测定了鸡血清中不同蛋白质.

Cellulose acetate or any of various products, especially fibers, derived from it.

醋酸纤维素或其多种制品, 尤指从中提取的纤维质.

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

留学解答资讯网:几乎不溶于水, 醇, 乙酸甲脂和氨水, 可溶于酸.

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.