查询词典 A acid

The economic loss is caculated in the south of the acid rain area and it is proved that economy is badly affected by the damage to the materials caused by acid precipitation.

在此基础上，本文进一步对南方酸雨区进行了估算，证明了酸沉降对材料的破坏对经济产生了严重的影响。

There is acid rain in the precipitation of 98 cities, accounting for 91.6% of the cities in the Acid Rain Control Zone.

南方地区酸雨污染较重，酸雨控制区内90%以上的城市出现了酸雨。

The process of becoming acid or being converted into an acid .

变成酸或者被转变为一种酸的过程。

The effects of concentration of sulfuric acid, temperature and time on acid leaching process were studied, and the regularity of these affecting factors was analyzed.

研究了酸浸过程中硫酸浓度、浸取温度、时间对铁浸出率的影响，分析了各个影响因素的规律性。

Large amount of acid radical ion of acid salt can coexist or not in the solution depends on whether they have proton transfer reaction.

一般酸式酸根离子在溶液中能否大量共存，主要看它们之间能否发生质子转移反应。

In the acid medium, through using the stability of the BaSO4 colloid suspension, a turbidimetric method was established for the determination of trace sulfate radical in boric acid.

研究在酸性介质中，利用BaSO4胶体悬浮液的稳定性，通过光电浊度仪测定硼酸中微量硫酸根的方法。

This paper proposes that weak acid is a coordination compound that regards hydrogen ion as "coordination body" and regards acid radical as central atom.

本文首次提出将弱酸看成是以氢离子为"配体"，以弱酸的酸根为中心"原子"所形成的"配合物"，通过计算该"配合物"的生成函数N并绘制PH－N图，用Bjerrum，N。

The copolymers of 2-acrylamide-2-methyl propanesulfonic acid and itaconic acid were synthesized by free radical aqueous solution copolymerization, and its structure was characterized by IR.

用自由基水溶液聚合法，合成了2-丙烯酰胺基－2-甲基丙磺酸和衣康酸的二元共聚物缓凝剂，并用红外光谱表征了其结构。

The dechroming mechanism of organic acid from chrome shavings was studied from the following aspects,the depolymerization of complex compound,the replacement of H+ and the replacement of organic acid radical anion.

从络合物解聚、氢离子取代和有机酸根阴离子取代3个方面，探讨了有机酸的脱铬机理，认为氢离子的取代和有机酸阴离子的取代起主要作用。

Application: in medical industry, sodium citrate is the carrier of sodium ion, lemon acid radical can participate in tri-acid sodium body circulating of organism rapidly in human body, the sodium ion stores in the body, so it is often used as antipyretic and the correction pharmaceutical of the acidity of the urine in the medical treatment.

用途：在医药工业上，柠檬酸钠是钠离子载体、柠檬酸根在人体内可迅速参与机体的三钠酸循环，钠离子则在体内储备，因此医疗上常用作退热剂，尿酸度的矫正剂，同时由于其抗凝作用，因此是医疗上重要的抗凝血剂。

Based on the construction of international financial centre, we have pushed forward the explorations in the integration of cultural industries with financial services.

2010年及整个"十二五"期间，上海文化产业面临更有利的发展时机、更坚实的发展基础和更完善的发展环境。

The koala is an animal with a large bag in its body.

树袋熊用它的身体的一个大的袋子是一只动物。