查询词典 lead

The processing principle for the preparation of tribasic lead sulphate from bismuth hydrometallurgy waste residue by ammonium hydrogen carbonate transformation-nitric acid leaching-lead deposition with sulphuric acid-sodium hydroxide synthesis is introduced.

介绍了铋冶炼浸渣采用碳酸氢铵转化—硝酸浸出—硫酸沉铅—氢氧化钠反应合成三碱式硫酸铅的工艺原理。

Methods Male NIH rats were treated with water containing 0.1% lead acetatic trihydrate for establishing an experimental lead poisoning rats model.

随着现代工业与交通的迅猛发展，环境中的铅污染日趋严重，特别是铅作业场所和城市空气中的铅含量已达到对人体产生严重危害的程度。

Methods Male NIH rats were treated with water containing 0.1% lead acetatic trihydrate for establishing an experimental lead poisoning rats model.

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Methods Male NIH rats were treated with water containing 0.1% lead acetatic trihydrate for establishing an experimental lead poisoning rats model.

方法取小鼠，饮水给予。1%三水合乙酸铅水溶液建立小鼠预防性铅目的评价QQL排铅口服液的促进排铅功能。

Methods Male NIH rats were treated with water containing 0.1% lead acetatic trihydrate for establishing an experimental lead poisoning rats model.

取小鼠，饮水给予0.1%三水合乙酸铅水溶液建立小鼠预防性铅中毒模型，同时灌胃给予不同浓度的受试物，喂养30天后测定血、肝脏和股骨中的铅含量。

It is one in which a group of unelected people have enormous power, power which can lead to a great depression or which can lead to a great inflation.

在这个体系中，一群不是经过选举的人手握大权。这种权力可以导致经济萧条，也可以导致物价飞涨。

The concentrations of lead in Canned fish and fresh fish are lower than the national health standard(GB14939-2005)(GB2733-2005),the concentration of lead in 3 dried fish excess the standard(GB10144-2005),unqualification rate is 7.5%.

鱼罐头和鲜鱼中铅的含量均低于国家卫生标准(GB14939-2005)(GB2733-2005)，有3份鱼于铅含量超标(GB10144-2005)，不合格率为7.5%。

9 With reference to Exception No.1 to 11.2.8 , the magnet coil of a molded bobbin transformer having a slot for the crossover or start lead - unspliced at the windings - is acceptable as crossover lead insulation if :"

& 11.2.9 参照11.2.8的例外1，胶芯的磁铁线圈的变压器的交叉或开头引线有一个狭缝——在绕组处没有连接——作交叉引线绝缘是可接受的，如果：&

Lead waste and scrap export of lead powder and flake powder exports 7367901119000 other zinc content ≥ 99.99% of unwrought zinc exports 7377901120000 lower than 99.99% Zinc Unwrought zinc alloys ...

7802000000 铅废碎料出口735 7804200000 铅粉及片状粉末出口736 7901119000 其他含锌量≥99.99%的未锻轧锌出口737 7901120000 含锌量低于99.99%的未锻轧非合金锌。。。

The study on secondary isochron of anomalous lead is a very important problem in the common lead isotope geology.

异常铅二次等时线是普通铅同位素地质学研究中非常重要的一个课题。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。