硝酸

We used nitric acid reductase method to test nitric oxide of serum in 31 patients with chronic renal failure.

应用硝酸还原酶法检测了 31例慢性肾功不全患者及 2 6例血液透析患者血透过程中血清一氧化氮水平的变化。

A problem related to nitrification is a drop in PH for the system due to the formation of nitric acid.

和硝化作用有关的一个问题就是由于生成硝酸而使系统内的PH值降低。

I said,"It's a yellow metal and it could be brass. Only it isn't, because it's inert to concentrated nitric acid."

我说道："这是一种黄色金属，可能是黄铜，但却不是，因为它在浓硝酸中不起反应。"

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。

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。

Nitric acid, I think.

硝酸，我想。

First of all, the start-up of the nitrous nitrification bioreactor and ANAMMOX bioreactor were tried out successfully.

首先成功的完成了亚硝酸型硝化反应器和ANAMMOX反应器的启动。

In this solution, it also could electrocatalysis the reduction process of nitrite.

实验中发现该化合物能对亚硝酸根的还原起催化作用。

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。