查询词典 nitrate

The mean diameters of silver nanoparticles prepared by silver nitrate-sodium citrate reduction method are measured by transmission electron microscope.

用透射电子显微镜测量了用硝酸银柠檬酸钠还原法制备出的银纳米微粒的平均粒径。

Sliver nanoplates were prepared through a visible light induced reduction process by a reaction between sodium citrate and silver nitrate in an aqueous solvent at room temperature. UV-Vis spectra were employed to monitor the growth of the silver nanoplates.

在水相体系中以柠檬酸钠和硝酸银为反应物，利用可见光诱导的还原过程在室温下制备盘状的银纳米粒子，通过紫外-可见光谱监控了不同反应条件下银纳米粒子的生长过程及体系的稳定性。

In the research of the Silver Carboxylate conductive ink, the silver citrate emulsion was synthesized through the reaction of silver nitrate with sodium citrate in the presence of Polyvinylpyrrolidone as a protected agent in water, then the silver citrate emulsion was deoxidized by aqueous ascorbic acid to get the nano-silver colloid.

在有机酸银导电油墨研究中，在高分子保护剂聚乙烯基吡咯烷酮存在的条件下，通过柠檬酸钠与硝酸银反应，合成了柠檬酸银乳液，并用抗坏血酸对柠檬酸银乳液进行还原，制得了纳米银胶导电油墨。

On the other hand, shallow-water blooms caused by nitrate and phosphate pollution often swamp the local environment.

但另一方面，被硝酸盐和磷酸盐污染的浅水区茂盛的海底生物通常会影响到当地的环境。

The removal rate of nitrate-nitrogen arrives at 100 percent, but the removal efficiency is bad in sand column with aquifer material, in which denitrification is very wear.

首次开展含有苯胺污染的河水在模拟的渭河渗滤系统中的净化机制及净化效果的研究，不同结构的渗滤系统其净化效果及机制也不同。

The safety investigation about the emulsion explosive and ammonium nitrate has been never terminated since many accidents about the explosion of emulsion explosive and AN have happened in the history, most of which suggest that the explosion is because of the heat accumulated by their decomposition during the course of production and storage.

乳化炸药和硝酸铵在生产和储存过程中曾经发生过多起爆炸事故，人们对其安全性的关注从来没有间断过。

The results showed that the biogas fertilizer could improve the yield and quality of greenhouse cabbage, reduce the nitrate content, and increase the content of reductive sugar, vitamin C, total P, total N, and the total K.

结果表明：1。沼肥用于白菜生产可以提高白菜的产量，极大的改善白菜品质，增加白菜中氮、磷、钾、还原糖、维生素C含量，降低有害物质硝酸盐的含量；2。

The 2 g/L solution of potassium sulfate was employed for the dissolving of sample, and silver nitrate was used as titrant.

以2g/L 硫酸钾为溶解试剂，硝酸银为滴定剂，电位滴定法测定铁矿石中的水溶氯，通过电极电位-浓度二次微商滴定曲线，计算二次微商等于零时对应的V为滴定终点，可省去绘制E-V曲线或ΔE/ΔV-V一次微商曲线作图带来的麻烦。

Nearly all the isolates were likely to utilize NZ amine, sodium acetate, sodium propionate and Tween-80, but potassium nitrate and sodium benzoate, sodium succinate, sodium citrate occurred with different strains.

所有参试菌株能很好地利用乙酸钠、丙酸钠和丙酮酸钠，但对其它有机酸的利用各不相同。大多数菌株能利用酪蛋白、牛肉膏等有机氮，一些菌株可利用氨态氮和硝态氮。

A cellulose nitrate used as a component of smokeless powder.

火纤维素硝酸纤维素，用于无烟的炸药的组成物质

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。