• 吸收工作场所空气中的四

    Carbon tetrabromide in the air of workplace was absorbed.

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  • 2-氨基-5-甲基吡啶反应生成咪唑吡啶

    This is brominated and reacted with 2-amino-5-methylpyridine to give the imidazopyridine.

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  • 比较了氯乙酰乙酰中间体硝基安定收率影响

    The effect of chloroacetyl chloride and bromoacetyl bromide on yields of intermediates and nitrazepam was compared.

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  • 甲基甲硅烷基丙基反应产物的产71%84%。

    The yields of products for the reaction of trimethylsilyl propargyl bromide are 71 to 84%.

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  • 以三乙基铝(甲基为原料,-锑络合物催化剂反应合成了三甲基铝(TMA)。

    Trimethylaluminum(TMA) was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.

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  • 通过表面张力法研究了二甲基亚DMSO十六烷基三甲基化铵(CTAB束形成影响

    The effect of dimethyl sulphoxide(DMSO)on micelle conformation of hexadecyltrimethylammonium bromide(CTAB)was studied by means of surface tension.

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  • 苯那敏第一抗组胺药

    Brompheniramine is the first-generation antihistamines.

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  • 有时东莨菪碱方便直肠检查

    Buscopan is sometimes used to facilitate rectal examination.

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  • 发明提供了一种生产环十二烷工艺

    The present invention provides a new method to produce hexabromocyclododecane.

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  • 研究了一种简单温和合成方法可以选择性地获得9(9 BF)。

    A simple and mild method for the synthesis of fluorenol was studied and 9 bromofluorene (9 BF) can be selectively obtained.

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  • 另一种2-巯基苯并噻唑先将甲烷氰化钠反应生成硫氰酸氯甲酯,然后硫氰酸氯甲酯与2-巯基苯并噻唑反应得到苯噻氰。

    It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.

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  • 事实上悬浮薄膜上。

    In effect, it levitated on a thin bromobenzene film.

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  • 阳离子化合物数量局限。

    The number of cationic bromine and chlorine compounds is restricted.

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  • 鞘氨醇单土壤氨酸降解作用研究。

    Biodegradation of Bromamine Acid in Soil at the Presence of Sphingomonas sp.

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  • 尝试局部类固醇准备异丙托睡前

    Try topical nasal steroid preparation or intranasal ipratropium bromide before bedtime.

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  • 衍生物活性要比相应的衍生物大得多。

    Derivatives of bromine are much more active than the corresponding one of chlorine.

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  • 他用研究十分有意思研究是alpha粒子

    But it's really interesting the studies that he did do with radium bromide, and he was studying the alpha particles.

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  • 前言:目的:研究盐酸渗透控释片体外释放度。

    Objective: To study the in vitro release rate of ambroxol HCl osmotic pump controlled release tablets.

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  • 家具泡沫破裂的时候,往往释放二苯醚房屋灰尘当中。

    Furniture foam tends to release PBDEs into house dust when it breaks down.

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  • 研究表明,光线条件乙炔加成反应过程有非常明显的影响

    Results show that the addition reaction of bromine with acetylene was obviously influenced by light condition.

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  • 达扬教授称,欧洲那些可疑的多二苯醚七八年前禁用

    In Europe the most suspect PBDEs have been banned for seven to eight years, says Dr Dayan.

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  • LG公司昨日表示,他们明年起停止生产阻燃剂,氯化阻燃剂聚氯乙烯

    LG pledged yesterday that it would remove brominated flame retardants, chlorinated flame retardants and polyvinyl chloride from the manufacturing process by next year.

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  • 妇女血液中的二苯醚增加10倍,她们怀孕几率下降30%。

    Each ten-fold increase in a woman's blood was linked to a 30 percent decrease in her odds of getting pregnant.

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  • 由于二苯醚影响人类健康研究刚刚起步,所以该项研究非常重要

    Because little work has been done on the effects of PBDEs on human health, this is an important study.

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  • 目的探讨索对早产儿呼吸窘迫综合征(NRDS)的预防治疗作用

    Objective: to evaluate the effect of ambroxol in preventing and treating neonatal respiratory distress syndrome (NRDS).

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  • 直接化法合成苯作了系统研究对文献方法进行了一系列的改进

    A detailed study for the synthesis of hexabromobenzene by means of direct bromination has been conducted, and some modifications to the classical method were proposed.

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  • 考察了离子浓度载体浓度,接收组成等因素离子液膜中迁移作用影响

    The migration behaviour of bromine ion is influenced by the concentrations of bromine ion, carrier and the receive phase etc.

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  • 几乎一个接受测试美国人体都有五二苯醚的痕迹种物质是家具业广泛的。

    Nearly every American tested contains traces of penta and octa BDE, the two formulations most widely used in furniture.

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  • 一般注射用的混合针剂含有硫喷(麻醉犯人),泮库麻痹犯人肌肉氯化钾停止犯人心跳)。

    The cocktail used generally contains sodium thiopental (to anaesthetise the condemned man), pancuronium bromide (to paralyse his muscles) and potassium chloride (to stop his heart).

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  • 一般注射用的混合针剂含有硫喷(麻醉犯人),泮库麻痹犯人肌肉氯化钾停止犯人心跳)。

    The cocktail used generally contains sodium thiopental (to anaesthetise the condemned man), pancuronium bromide (to paralyse his muscles) and potassium chloride (to stop his heart).

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