说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 钡(Ba)
1)  barium [英]['beəriəm]  [美]['bɛrɪəm]
钡(Ba)
2)  hydrate of barium
氢氧化钡[Ba(OH)2]
3)  barium [英]['beəriəm]  [美]['bɛrɪəm]
1.
Fast Analysis of Aluminium,Barium and Silicon in Silicon-barium-aluminium Alloy;
硅钡铝合金中铝、钡、硅的快速分析
2.
Spectrophotometric determination of barium in Si-Ba-Mg alloy with p-acetylchlorophosphonazo;
对乙酰基偶氮氯膦光度法测定硅钡镁合金中钡
3.
Research on production technology of barium sulfate with Ba~(2+) recovering from magnesium hydroxide washing water;
从氢氧化镁洗水中回收钡生产硫酸钡的工艺研究
4)  Ba [英][,bi: 'eɪ]  [美]['bi 'e]
1.
Simutaneous Determination of AL and Ba in Si-Al-Ba alloy by ICP-AES;
ICP-OES法同时测定硅铝钡合金中铝、钡
2.
Uncertainty in Gravimetric Determination of Ba Ion;
重量分析法测定溶液中钡含量的不确定度评定
3.
Reaction Between Barium and 3-(3-Bromophenylazo)-6-(3-carboxylphenylazo)chromotropic Acid and Its Analytical Applications;
间溴偶氮羧-m与钡的显色反应研究
5)  BA [英][,bi: 'eɪ]  [美]['bi 'e]
6-BA
1.
Effects of 6-BA and Heat Treatments on Storage Quality of Edible Podded Pea;
6-BA和热处理对食荚豌豆贮藏品质的影响
2.
Influence of 6-BA on Fruits Development in Zenjimaru;
6-BA对禅寺丸果实生长发育的影响
3.
EFFECTS OF 6\|BA AND GA\-3 ON BREAKING DORMANCY OF HIGH TEMPERATURE AND GROWTH AND DEVELOPMENT OF LETTUCE;
6-BA、GA_3打破秋莴苣高温休眠及对生长发育的影响
6)  BA plate
BA板
1.
This article summarizes development of the BA stainless steel plate, illustrates the technique and main equipment of the BA plate production, and the market and future of the BA plate is analyzed in brie
概述了我国不锈钢光亮 (BA)板的开发 ,介绍了 BA板的生产工艺及主要设备 ,并对市场及其今后发展进行了简要分
补充资料:钡(Ba)
分子式:
分子量:
CAS号:

性质:周期系第Ⅱ族主族(碱土金属)元素。原子序数56。稳定同位素:130,132,134,135,136,137,138。原子量137.327。银白色金属。稍具光泽。密度3.76。熔点710℃。沸点约1600℃。化合价+2。化学性质相当活泼,易氧化,应贮藏于油中。能分解水而生成氢氧化物和氢。高温下在氧中燃烧,生成过氧化钡(BaO2)。溶于酸而生成盐。钡盐除硫酸钡外都有毒!用于制钡盐、合金、焰火、核反应堆等,也是精炼铜时的优良除氧剂。自然界中有重晶石和碳酸钡矿。可由熔融的氯化钡在氯化铵存在下电解而制得。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条