查询词典 nitric acid

The reaction mechanism and macro - kinetics of decomposition of witherite with nitric acid are also studied.

结果表明：硝酸分解毒重石的反应过程是典型的氢离子通过液膜的传质控制的反应过程。

As for the high-temperature nitric acid, is usually titanium and titanium alloy materials used.

而对于高温硝酸，通常采用钛及钛合金材料。

Nitric acid solutions of Au at the low ppm and ppb levels are not stable.

Au的硝酸溶液在低的ppm和ppb级的水平下是不稳定的。

The results indicated that the extraction rate of pretreating test samples with nitric acid was the best.

探讨了不同预处理方法对从泥炭中提取腐殖酸效果的影响，同时也考察了碱提取液及其酸析液对提取结果的影响。

A yellow salt obtained by the reaction of uranium salts with nitric acid.

一种黄色的盐，由铀盐与硝酸反应产生。

The system has been successfully used in the 100 thousand-ton thin nitric acid unit of Anhui Chemical Co.

在目前的控制领域中，控制、数据采集和运算可由 PLC 来实现，生产过程的监控和管理则可由 HMI 软件来实现。

Nitric acid, I think.

硝酸，我想。

The motor consists of a cluster of four YF-2 engines which use storable liquids, Unsymmetrical Dimethyl Hydrazine fuel and AK-27 oxidiser (nitric acid with 27% nitrogen tetroxide), and provide a total thrust of 96 tonnes.

发动机由四台集群YF-2发动机组成，使用耐储存液体不对称二甲肼燃料和AK-27液氧（硝酸和27%氮四氧化物），而且提供96吨的一个总推力。

The ammonia changes to nitric acid,the further conversion of nitrate is nitrosamine which has serious function for the human beings, threatenning the mankinds health directly.

氨转化为硝酸，通过饮用水而诱发婴儿的高铁血红蛋白症，硝酸盐进一步转化为亚硝胺则具有严重的"三致"作用，直接威胁着人类的健康。

In 1953 the first tactical missile using a storable propellant (nitric acid and carbon-hydrogen fuel), the R-11, was created with a range of 270 km. The R-11's launch mass was 5.5 tons and the nose cone mass was 0.67 tons.

1953年，第一种使用可贮存推进剂的战术导弹R-11被研制出来，射程270千米。R-11的发射质量是5.5吨，可携带质量为0.67吨的弹头。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。