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

本文介绍了以亚代替亚丁,用氯苯代替无水醚合成铜铁试剂的新工艺。

Our water supply is becoming polluted with nitrates.

我们的水源正受到盐的污染。

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

观察玻璃钠对毛果芸香碱滴眼液的影响。

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

目的比较甘油与硫镁治疗子痫前期的效果。

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

将倒在铜上, 会散发出一种棕色的蒸气。

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

核能.核燃料循环技术.分子吸收分光光度法测定溶液中的镎Nuclear energy.

Silver nitrate is a salt.

银是一种盐类化合物。

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

用偏钨铵、铜通过喷雾干燥、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.

以废雷尼镍催化剂为料，制备出合格的硫镍、镍和氧化镍。

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和化学反应动力学，研究了基聚醚聚氨的老化降解过程。

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

在腈、相转移催化剂聚二醇存在下 ,蒽酮与铈铵反应生成 1 -基蒽醌。

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

该方法用溶解样品,棉富集分离,以硫氰盐滴定法进行测定。

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

环境中的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。

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

咪康唑乳浊液的抑菌作用较强,而环包物的刺激性较小。

The 42 patients with chronic anal cryptitis were given Qudu soup for retention enema combined with nitroglycerin ointment applied in archos.

以中药祛毒汤保留灌肠;同时用甘油软膏肛内上药,治疗慢性肛窦炎42例。

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。

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，又能通过光化学反应生成羧、羟基自由基、臭氧和过氧酰。

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

化肥和各种含氨化合物。各种胺基、酰基、和各种含氨制试剂（炸药）等。

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

例如，由铵和二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。

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.

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