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.
亚甲蓝和乙醇不影响过亚硝酸根的分解速率。
The rate of decomposition was not affected by methylene blue and ethanol.
高碘酸钾与甲基红的反应可为亚硝酸根所催化。
The reaction of potassium periodate and orange red can be catalyzed by nitrous ions.
绿色蔬菜加工后,随时间的不同,亚硝酸根含量不同。
The nitrite content of green vegetables processed is different with the different time.
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.
本发明提供了迷迭香酸在制备过亚硝酸根抑制剂中的应用。
The invention provides an application of rosmarinic acid as a peroxynitrite inhibitor.
研究了柠檬酸铁和草酸铁对过亚硝酸根硝化酪氨酸反应的影响。
The effects of ferric citrate and ferric oxalate on the nitration of tyrosine by peroxynitrite have been studied.
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.
展望了催化光度法测定痕量亚硝酸根的应用前景。引用文献74篇。
The future trends of its development, especially the use of surfactants in the catalytic reaction to raise reaction sensitivity was also discussed (74 ref. cited).
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.
过亚硝酸根具有强细胞毒性,能够修饰DNA碱基、造成DNA单链断裂。
Peroxynitrite, which is cytotoxic, can modify DNA bases and make DNA single strand break.
结果表明,在水冲洗条件下硝酸根和铵根的释放质量浓度呈一阶指数方程降低;
The results show that the releases of ammonium and nitrate nitrogen lower in exponential model, under the conditions of water washing;
本文研究了用吸附溶出伏安法测定环境水样中的亚硝酸根和大气中的二氧化氮。
A new sensitive method for the determination of nitrite in the environmental water and nitrogen dioxide in the ambient air by adsorptive stripping voltammetry was ostablished.
过亚硝酸根对DNA的损伤主要有两种形式:dna碱基修饰与dna单链断裂。
Two forms of DNA damage caused by peroxynitrite are DNA base modification and DNA single strand breakage.
基于酸性介质溴酸钾氧化茜紊绿反应,提出了测定痕量亚硝酸根新的催化光度法。
A new catalytic spectrophotometric method is suggested for determining trace NO2 - by the reaction of alizarin green oxidation in an acid medium with potassium bromate.
应用该法直接测定煤矿塌陷湖水、鱼塘水、电厂废水和地下水中的亚硝酸根获得满意结果。
The method was applied to direct determination of nitrite in collapse lake water, fishpond water, power plant waste water and well water with satisfactory results.
结论:该方法简便快速,常见物质干扰小,用于环境水样痕量的亚硝酸根测定,结果满意。
Conclusion: the method is quick and simple with little interference. It can be applied to the determination of trace nitrite in water samples of environment with satisfactory results.
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.
为研究硝酸根对颗粒状铁降解三氯乙烯的影响,进行了柱实验和相应的反应铁腐蚀电位测定。
In this study, column experiments, including measurements of corrosion potential, were conducted to determine the effects of nitrate on trichloroethylene (TCE) degradation by granular iron.
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.
目前用于测硝酸根的方法较多,但对于工业生产而言,快速、简便、而又比较准确的方法很少。
There are many analysis methods to determine nitric radical. But a rapid, simple and relatively exact method to determine nitric radical suitable for industrial production is urgently required.
文章建立了一个测定常量硝酸根的方法,该方法简便,快速,准确度较高,适用于生产中控分析。
A method for determination of Constant nitrate has been established in this paper. The method is simple and rapid, and, it has better accuracy it has been used in the Analysis of middle-product.
工作的科学家们说,唯一的快速解决办法是用红灯替换这些灯,红灯可能不会妨碍硝酸根的生成。
The only quick solution, says the scientists working at NOAA, would be to swap out all the lamps with red lights, which wouldn't interfere with nitrate radical formation.
研究了在盐酸介质中微量亚硝酸根与亚甲紫发生的重氮化反应,建立了测定微量亚硝酸根的新方法。
A new spectrophotometric method for the determination of trace nitrite was studied. The method is based on the diazo - reaction of methylene violet with nitrite in hydrochloric acid medium.
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.
反射仪-硝酸根试纸法快捷简便,是蔬菜氮素营养诊断和蔬菜硝酸盐含量监测的理想的现场速测技术。
So the nitrate test-strip-reflectometer method could rapidly monitor the nitrate level of vegetables and soils in the field and market scene.
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.
本文报导了应用高氯酸根选择电极监测高碘酸根浓度改变,从而进行亚硝酸根测量的催化动力学电位分析法。
This reported kinetic analysis of nitrous ion is based on the monitoring of the concentration change of periodate ions by means of the perchlorate selective electrode.
研究了在稀盐酸介质中微量亚硝酸根与二甲苯蓝FF发生的亚硝化反应,建立了测定微量亚硝酸根的新方法。
A new spectrophotometric method for the determination of trace nitrite is studied. The method is based on the nitrosation reaction of xylene cyanol FF with nitrite in diluted hydrochloric acid medium.
结果表明,BPA在纯水体系中直接光解很慢,但在碱性体系和硝酸根溶液中光解迅速,符合一级动力学反应。
BPA direct photodegradation was very slow in pure aquatic system; but was rapid in alkaline system and nitrate solutions according with first grade dynamic equation.
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