Explain why barium forms peroxide but beryllium does not.
解释为什么钡能形成过氧化物而铍则不能。
辞典例句
However the toxic properties of beryllium limit its application.
然而铍的毒性限制了它的作用.
辞典例句
Toxicity problem in manufacturing and storage might be alleviated by coating beryllium with aluminum.
但如果用铝包覆铍,则可避免加工过程中及储存期间的中毒问题.
辞典例句
Beryllium - containing bronze has usually been adopted to make elastic parts.
铍青铜常被用于制造弹性零件.
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By 1960, the sales of beryllium metal, alloys, oxides and ceramics quadrupled.
截至1960年 ﹐ 铍金属 ﹐ 合金 ﹐ 氧化物和陶瓷的销售量已增至四倍.
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Beryllium, bismuth, and bromine must be considered as well.
少量的还包括还有铍 、 铋 、 溴.
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Amorphous beryllium hydride , as ablator, can increase conversion from laser to X - rays .
非晶 BeH2 材料作为烧蚀层, 掺入高Z元素后可以提高激光 -X 光的转换效率.
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But ignorance and misinformation about the health hazards of beryllium die hard.
关于健康的破坏物铍的无知和误传是很顽固的.
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Explain why barium forms a peroxide but beryllium does not.
解释为什么钡能形成过氧化物而铍则不能.
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The mechanical properties of beryllium are recovered after relieving machine damage.
消除机加工损伤后,铍的力学性能又可得到恢复.
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The condition of color reaction of beryllium with sulfosalicylic acid was studied.
研究了铍与磺基水杨酸的显色反应条件.
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With this system beryllium can be detected in the range 1.5×10~ ( - 8 ) M - 1×10~ ( - 5 ) M.
铍的测定范围为1.5×10 ( -8 ) M-1×10 ( -5 ) M.研究了干扰情况.
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We should stop using beryllium whenever possible.
我们只要可能,就应该停止用铍.
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Urine - Determination of beryllium - Graphite furnace atomic absorption spectrometry.
尿中铍的石墨炉原子吸收光谱测定方法.
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The method has been used for the determination of trace beryllium in osmotic water and sediment.
利用抗坏血酸的增感作用直接测定了渗透水和水系沉积物中的痕量铍.
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