硝酸

A salt or ester of acetic acid.

亚硝酸形成的盐或酯。

Aims: To evaluate the therapeutic effect of trimebutine maleate combined with isosorbide dinitrate on achalasia.

目的：评价马来酸曲美布汀联合硝酸异山梨酯治疗原发性贲门失弛缓症的临床疗效。

Settlers bought the goods they needed from salesmen or peddlers who traveled in Wagons. People often paid for the goods with pieces of gold jewelry. To test the true value of a piece of gold, a peddler would make a small scratch on it and put a drop of nitric acid on the scratch.

拓荒者从坐马车的小贩手中买东西，人们常常用金首饰付款，为了测定一块金子的真正价值，小贩常常在金子上划一道印，然后放一滴硝酸在这道印上。

All the pollution is not acid rain, i.e., sulphuric and nitric acid dissolved in precipitation .

酸雨为含有硫酸和硝酸的雨，它并不是造成污染的唯一原因。

The nitric acid production process optimization question modeling uses the artificial neural network to complete.

硝酸生产过程优化问题的建模采用人工神经网络完成。

Off-line steady optimization of nitric acid process unit is discussed in this thesis.

本文以某厂硝酸生产装置为优化对象进行了离线稳态参数优化工作的研究。

The influences of reactiontemperature, leaching time, dosage of nitric acid and the ratio of solid to liquid wereinvestigated.

在银的浸出实验中，通过单因素条件研究了反应温度、时间、硝酸用量和固液比对浸出率的影响，确定了浸出银的最佳工艺。

The effects of different catalysts, mole ratio of glyoxalic acid and urea on yield of allantoin are investigated.

以乙二醛、硝酸、尿素为原料，通过二步合成得到尿囊素，主要考察了缩合反应中，使用不同催化剂催化缩合尿囊素的收率对比及影响因素。

Nitric Acid, at least 50% but not more than 70

22硝酸，不少于20%，但不超过70

Electrode potential was in direct proportion to concentration of NO〓〓 in range of 1.0×10〓 and 50×10〓mol/L slope of Nernst response is

并用选择性电极实时观察了亚硝酸根在聚吡咯膜中的掺杂＝释放过程，在1.0×10〓～5.0×10〓mol/L浓度范围内，电极电位与亚硝酸根浓度呈线性关系，Nernst响应斜率为

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。