In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.

本文介绍了以亚硝乙酯代替亚硝丁酯,用氯苯代替无水乙醚合成铜铁试剂的新工艺。

When nitric acid is poured on copper, a brown vapor gives off.

将硝倒在铜上, 会散发出一种棕色的蒸气。

Objective To compare the effect of nitroglycerin and magnesium sulfate on eclampsism.

目的比较硝甘油与硫镁治疗子痫前期的效果。

To observe the influence of sodium hyaluronic acid to pilocarpin hydrochloride eyedrops.

观察玻璃钠对硝毛果芸香碱滴眼液的影响。

Technology of nuclear fuel cycle.Determination of neptunium in nitric acid solutions by molecular absorption spectrophotometry.

核能.核燃料术.分子吸收分光光度法测定硝溶液中的镎Nuclear energy.

Our water supply is becoming polluted with nitrates.

我们的水源正受到硝盐的污染。

Composite W-Cu oxide nanopowder was prepared by spray-drying and milling of ammonium metatungstate(AMT) and cupric nitrate.

采用偏钨铵、硝铜通喷雾干燥、焙烧、球磨工艺制备纳米氧化钨铜复合粉末。

Qualified nickelous, sulfate, nickelous nitrate and nikel monoxide were prepared with waste raney nickel catalyst as raw material.

以废雷尼催化剂为原料，制备出合格的硫、硝氧化。

In the presence of ethanonitrile and polyethylene glycol, anthrone reacts with ammonium ceric nitrate to form 1 nitroanthraquinone.

在乙腈、相转移催化剂聚乙二醇存在下 ,蒽酮与硝铈铵反应生成 1 -硝基蒽醌。

The ageing depeion of nitrate-poetherthased Polyurethans were studied by means of swellingtheory of polymere and chemical reaction kinetics.

运用聚合物的溶胀理论化学反应动力学，研究了硝酯基聚醚聚氨酯的老化降解程。

Silver nitrate is a salt.

硝银是一种盐类化合物。

It is well known that the nitrate and nitrite from environment is causally related to infant methemoglobinemia and esophageal cancer.

境中的硝盐暴露与婴儿高铁血红蛋白血症及食管癌的病因关联已为人们熟悉。

The ore sample was dissolved in nitric acid.After enrichment and separation with Xanthic ester cotton,the silver was determined by thiocyanometry.

该方法采用硝溶解样品,黄原酯棉富集分离,以硫氰盐滴定法进行测定。

They are formed byatmospheric photochemistry reaction, and could product OH radical, alkyl radical, ozone,carboxylic acid peroxyacetyl nitrates by atmospheric photochemistry reaction.

羰基化合物既是大气光化学反应的产物，又能通光化学反应生成羧、羟基自由基、臭氧氧乙酰硝酯。

The new research progress of the effect of additives on thermal stability and explosivity of the ammonium nitrate is systema-tically introduced.

就添加物对硝铵热稳定性及爆炸性的影响研究的最新进展情况进行了系统介绍。

CONCLUSION The antifungal effect of miconazole nitrate emulsio n is strong, while mucosa irritation of its inclusion compound is not obvious.

硝咪康唑乳浊液的抑菌作用较强,而包物的刺激性较小。

Use of ammonia gas: fertilizer and various ammonia containing compound, various amidogen, acyl and other ammonia containing testing agents (explosives) etc.

化肥各种含氨化合物。各种胺基、酰基、硝各种含氨制试剂（炸药）等。

The maximum inhibition rate of the extract on the formation of N-nitrosodimethylamine and NO2-elimination capabilities of coriander leaf essential oil was 70.

研究了超声波法提取芫荽茎叶挥发油以及挥发油对N-亚硝基二甲胺合成的阻断作用对亚硝钠的清除作用。

Sample was digested in polytetrafluorethylene sealed vesssle by nitric acid-perhydrol or high chloric acid-perhydrol, Hg As Pb were simultaneously determinated by ICP-AES.

采用高压溶样弹，将样品用硝-氧化氢或高氯-氧化氢溶解后，用ICP-AES法对汞砷铅连续测定。

Schneiderite, for instance, consisting of a mixture of ammonium nitrate and dinitronaphthalene, is mixed in an edge runner in batches of 60kg.

例如，由硝铵二硝基组成的混合炸药施奈德莱特，便是以每批60公斤在轮碾机中混合的。