即使是元素状态为气体的氮,也通常作为硝酸根离子从土壤中被吸收。
Even nitrogen, which is a gas in its elemental state, is normally absorbed from the soil as nitrate ions.
这两种方案都表明亚硝酸根离子不是由硝酸根还原生成的。
Both schemes indicate that the nitrite ion is not produced by the reduction of the nitrate ion.
用失重法和动电位极化曲线方法研究了硝酸根离子对工业纯铝在1。
Nitrate ion has been examined as a corrosion inhibitor for aluminium in 1.
作物液泡中硝酸根离子的再调动和再利用与作物氮素高效利用关系密切。
Remobilization of nitrate in leaf vacuoles of crops is closely related to nitrogen use efficiency of crop.
在一种特殊的钨酸空心管的基础上制备了一种结构简单且灵敏的亚硝酸根离子选择性电极。
A new type of simple and sensitive nitrite ion-selective electrode based on the special tungstic acid hollow tube has been prepared.
结果表明:表面活性剂和硝酸根离子可以促进虫酰肼的水解,而腐殖酸则对其水解有一定抑制作用。
Results indicated that surfactant and NO3 - ions increased tebufenozide hydrolysis, while humic acid caused a degree of inhibition.
通过对氯碱生产中一次盐水游离氯及有效氯含量分析方法的对比,确定了亚硝酸根离子对分析结果的影响。
After comparison of analysis methods of free chlorine and active chlorine, it confirmed the influences on analysis results from nitrite ion.
应用荧光光谱法研究了2-氨-6-氯嘌呤与亚硝酸根离子间的相互作用并建立了亚硝酸根离子测定的新方法。
A novel spectrofluorimetric method based on the quenching of 2-amine-6-chloropurine fluorescence with nitrite was developed for the determination of nitrite.
在水浴加热条件下,用硫酸氢根将吸附在树脂上的铀酰离子和硝酸根离子置换到液相中,之后分别采用亚钛法、分光光度法进行测定。
Heated in water bath, uranyl ion and nitrate radical adsorbed on resin are replaced into solution by sodium bisulfate, then are determined by titanous method and spectrophotometry, respectively.
实验证明双阻硝酸根离子选择微电极对细胞中硝酸根离子有较低的检出限,是一种选择性高、灵敏、经济的活体测定植物细胞中离子活度的方法。
The microelectrode was turn out to be characterized by a high selectivity and sensitivity of ion and a good economy compared with other intracellular measurement.
由于铀溶液中的硝酸根对阴离子交换树脂具有较强的亲合力,相当低的硝酸根就足以干扰硫酸铀酰离子的吸附。
Nitrate of low concentration can interfere with adsorption of uranyl sulfate anion on anion-exchange resins because the anion-exchange resins have a stronger affinity for nitrate in uranium solution.
本文建立了离子色谱-抑制电导检测测定含有高浓度硝酸根的爆炸尘土中残留氯酸根的方法。
An ion chromatography method with suppression-conductivity detection has been developed for the detection of residuary chlorate in the soil after explosion with a high concentration of nitrate.
本文建立了离子色谱-抑制电导检测测定含有高浓度硝酸根的爆炸尘土中残留氯酸根的方法。
An ion chromatography method with suppression-conductivity detection has been developed for the detection of residuary chlorate in the soil after explosion with a high concentration of nitrate.
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