查询词典 acrylic acid

Examples are provided by the following preparations: arsenious sulphide from arsenious acid and hydrogen sulphide: gold or silver sols by reduction of the corresponding salts of gold or silver, silver chloride from very dilute solutions of silver nitrate and sodium chloride.

例子由以下准备提供：亚砷硫化物从亚砷酸和氢化硫：金或银sols 由金子或银，银色氯化物对应的盐的减少从非常硝酸银和氯化钠的稀溶液。

The treatment of cancer liquid in thorax by using Chinese traditional medicine and arsenious acid is better than only using As2O3 in recent curative effect.

中药配合亚砷酸胸腔内注射治疗癌性胸水，近期疗效优于单纯应用亚砷酸。

This article provides the synthesis methods of high purity Arsine by arse nic,zinc and sulfuric-acid.

介绍了用砷、锌和硫酸合成高纯砷烷的方法，产品纯度为99.995%，总收率为85%。

A salt of bromic acid.To achieve such a miracle, the semiconductor industry has gone to extremes, using the world's most toxic substances like Arsine, Phosphine, Hydrofluoride, Hydrobromide and the like.Soon, even Synchroton will be used.

但是，为了这种"奇迹"，半导体技术也到了无所不用其极的地步，世上最剧毒的物质如砷烷(ah3)、磷烷(ph3)、氟化氢、溴化氢，等一长串毒品全都用上，很快连同步加速器也要用上去了。

Objective: To determine the relationship between serum uric acid Concentration and coronary artery disease.

目的：探讨血清尿酸浓度与冠心病的关系及其在冠心病发病中的作用。

Objective: To study the correlation between uric acid level and severity of coronary artery disease.

目的：了解血尿酸水平与冠状动脉病变程度的关系。

Emu oil contains high levels of linoleic acid, known to relieve arthritic pain.

鸸鹋油含有较高的亚油酸，众所周知，以减轻关节炎疼痛。

In the part Ⅲ, we synthesized same aryl acid esters by 〓 catalyst system, and found that this system can be used to industrial procedure widely.

第三部分，我们对〓复合催化芳香羧酸酯化的情况进行了探讨，发现了一个新型实用的催化体系，并具有较好的工业应用前景。

Aryl acid compounds are provided in accordance with the invention.

本发明提供了芳基酸化合物。

Suzuki cross-coupling of aryl bromides with arylboronic acid is one of effective methods to form biphenyl derivatives in organic synthesis.

研究了它们对 Suzuki偶联反应的催化作用，优化了这些催化剂在联苯类化合物合成中的反应条件。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。