硝酸

Result］ The results showed that in 4 different concentrations nitrogen-induced conditions, NRA appeared some similar law.

结果］结果表明：在4个不同浓度的(0%、20%、40%、60%)氮素条件诱导下，硝酸还原酶活性表现出一定的相似的规律性。

Nd and Zr are separated into two groups by stripping with concentrated nitric acid and oxalic acid.

文中给出了硝酸、Nd、Zr等在各级的浓度剖面和它们在各物流中的分布。

The potential sources of NO in plants include nitric oxide synthase, nitrate reductase, xanthine oxidoreductase and the nonenzymatic pathway.

在植物中， NO的潜在来源包括一氧化氮合成酶、硝酸还原酶、黄嘌呤氧化还原酶和非酶促途径。

However, in nanolized iron system, the influences of chloride, sulfate, nitrate and perchloride ions on chromium removal rate were very relatively insignificant.

然而在奈米铁系统中，氯离子、硫酸根、硝酸根及过氯酸根对於六价铬的去除效果影响较不明显，但磷酸根却会使六价铬的去除效果明显降低。

Otherwise existence of the phosphate, perchloride and nitrate ions can reduce the rate of chromium removal by zero valent iron in commercial powder iron system.

研究结果显示当六价铬中含有氯离子和硫酸根时能增加商业铁粉对六价铬的去除效果，而硝酸根、过氯酸根及磷酸根则会使商业铁粉去除六价铬的效果变差。

The experimental study of ultrafine aluminum oxide formed by the mixture detonation of aluminum nitrate and PETN used to maintain steady detonation is presented.

以硝酸铝为原料，混入泰安粉维持稳定爆轰，进行了爆轰合成纳米氧化铝的实验研究。

Experts speculated that the implant operations would be carried out in lawless areas of Pakistan and the lethalexplosives called PETN, would be inserted inside plasticshapes during the operation, before the breast is then sewn up.

据推测，参与的女性自杀式袭击者可能会在巴基斯坦法外区域接受外科手术，把藏在胶囊内的烈性炸药"季戊四醇四硝酸酯"植入她们的乳房内，然后缝合伤口。

Experts speculated that the implant operations would be carried out in lawless areas of Pakistan and the lethal explosives called PETN, would be inserted inside plastic shapes during the operation, before the breast is then sewn up.

据推测，参与的女性自杀式袭击者可能会在巴基斯坦法外区域接受外科手术，把藏在胶囊内的烈性炸药"季戊四醇四硝酸酯"植入她们的乳房内，然后缝合伤口。

The method is based on the inhibitory effect of citric acid on the oxidation of phenol red peroxide catalyzed by Fe in hydrochloric acid solution.

在稀硝酸介质中，柠檬酸能阻抑铁催化过氧化氢氧化酚红的褪色反应，据此建立了阻抑动力学光度法测定柠檬酸的新方法。

The experiment result improves that the decomposition rate of the phosphate rock and conversion rate are increased with the in...

应用固体粒度减小的缩芯模型，将各影响因素的实验数据回归，得到了硝酸分解磷矿的宏观动力学模型

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。