硝酸盐;硝酸盐类化肥 a compound containing nitrogen and oxygen . There are several different nitrates and they are used especially to make soil better for growing crops.
We need to cut nitrate levels in water. 我们需要降低水中的硝酸盐含量。
High levels of nitrate occur in eastern England because of the heavy use of fertilizers. 英格兰东部因大量使用化肥导致土壤硝酸盐浓度过高。
In severe or refractory cases, cauterization of the individual lesions with nitrate has been used. 在严重或顽固性病例中,个别的可用硝酸盐烧灼。
Study on the Safety of Ammonium Nitrate Solution in Transportation and Storage 硝酸铵溶液运输和贮存过程的安全性研究
Measurements of particulate nitrate and gaseous nitric acid in ambient air were studied by denuder difference and filter packs. 研究了用扩散管差分法和多种叠层滤膜法测量大气中颗粒物硝酸盐和气体硝酸。
This is the table salt and this is the silver nitrate. 里面分别是氯化钠溶液和硝酸银溶液。
Potassium nitrate, potassium sulphate and potassium chloride are potassium salts. 硝酸钾、硫酸钾和氯化钾都是钾盐。
Modern high explosives use either mixtures of ammonium nitrate and fuel oil or ammonium nitrate-based water gels. 硝酸铵吉里那特炸药现代高级炸药是用硝酸铵和燃料油或水胶的混合物制成。
Nano-sized neodymium oxide was prepared by direct precipitation method with neodymium nitrate and ammonium carbonate as raw materials. 以硝酸钕和碳酸铵为原料,用直接沉淀法制备纳米氧化钕。
In this paper, the thermal decomposition characteristic of ammonium nitrate in industrial explosive was retrospective researched. 本文对工业炸药中硝酸铵热分解特征的相关研究进行了回顾。
The important properties and uses of manganous nitrate is introduced in this paper. 简单介绍了硝酸锰的重要用途和性质。
And the magnesium nitrate filter he used came from you. 而那些他用的镁硝酸钾过滤器是你提供的。
Effect of tea soaked solution on nitrate and nitrite content in cucumber 茶溶液浸泡对黄瓜中硝酸盐和亚硝酸盐含量的影响
And silver nitrate is occasionally used to treat warts and corns. 而硝酸银可偶尔用于治疗疣和鸡眼。
Is mainly composed of calcium magnesium sulfate, chloride and nitrate as the hardness of the form salts. 主要是由钙镁的硫酸盐、氯化物和硝酸盐等盐类所形成的硬度。
Tungstocobalt heteropoly salts were synthesized using sodium tungstate and cobalt nitrate as materials. 本文以钨酸钠和硝酸钴为原料合成了钨钴杂多酸盐。
So I have here silver nitrate and there I have sodium chloride and I mix the two. 好了,这是硝酸银,而这是氯化钠,我将两者混合。
A kind of black or brown explosives, the potassium nitrate, charcoal and sulfur mechanical mixture. 一种黑色或棕色炸药,由硝酸钾、木炭和硫磺机械混合而成。
Nitrate-bearing rock or gravel of the sodium nitrate deposits of Chile and Peru. 智利和秘鲁的硝酸钠沉积物中含硝酸盐的岩石或砾石。
Nitrate is added to most cured meats, However, the Food and Drug Administration limits the amounts. 因此,大部分腌肉中都被注入了硝酸钾。然而食品与药物管理局对它的用量进行了限制。
Determination of nitrate and nitrite in cans and frozen food by ion chromatography 离子色谱法测定罐头和冷冻食品中亚硝酸盐和硝酸盐
Can these sensors be used to measure nitrite and nitrate? 这些传感器可否用于测量亚硝酸盐和硝酸盐?
Experimental investigation of performance of amyl nitrate and isooctyl nitrate is made. 用自燃点法对硝酸戊酯和硝酸异辛酯的性能进行了试验研究。
Potted experiments were used to study the influence of nitrogen intensive gradient on the nitrate content in Chinese cabbage. 利用盆栽试验,研究了氮肥集约度对小白菜中硝酸盐含量的影响。
Urea and ammonium nitrate solutions are most commonly used for N fertigation. 尿素和硝酸铵溶液是最常用的灌溉施肥氮肥品种。
A new method of silver nitrate preparation from waste photosensitive materials has studied. 研究了从废感光材料中制备硝酸银的工艺。
Gunpowder is composed of sulfur, carbon, and potassium nitrate. 火药是由硫、碳和硝酸钾组成。
To establish a method for determination of nitrite and nitrate in pickled vegetables simultaneously. 目的建立同时测定泡菜中亚硝酸盐和硝酸盐含量的离子色谱法。
Here I have water in which I dissolved some silver nitrate. 这儿水里溶解了,硝酸银。
An ion chromatographic method for qualitative and quantitative analysis of nitrate in vegetables was established. 建立了化学抑制电导检测离子色谱法定性定量分析蔬菜硝酸盐含量的方法。