Explain why barium forms peroxide but beryllium does not.
解釋為什么鋇能形成過(guò)氧化物而鈹則不能。
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However the toxic properties of beryllium limit its application.
然而鈹?shù)亩拘韵拗屏怂淖饔?
辭典例句
Toxicity problem in manufacturing and storage might be alleviated by coating beryllium with aluminum.
但如果用鋁包覆鈹,則可避免加工過(guò)程中及儲(chǔ)存期間的中毒問(wèn)題.
辭典例句
Beryllium - containing bronze has usually been adopted to make elastic parts.
鈹青銅常被用于制造彈性零件.
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By 1960, the sales of beryllium metal, alloys, oxides and ceramics quadrupled.
截至1960年 ﹐ 鈹金屬 ﹐ 合金 ﹐ 氧化物和陶瓷的銷(xiāo)售量已增至四倍.
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Beryllium, bismuth, and bromine must be considered as well.
少量的還包括還有鈹 、 鉍 、 溴.
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Amorphous beryllium hydride , as ablator, can increase conversion from laser to X - rays .
非晶 BeH2 材料作為燒蝕層, 摻入高Z元素后可以提高激光 -X 光的轉(zhuǎn)換效率.
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But ignorance and misinformation about the health hazards of beryllium die hard.
關(guān)于健康的破壞物鈹?shù)臒o(wú)知和誤傳是很頑固的.
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Explain why barium forms a peroxide but beryllium does not.
解釋為什么鋇能形成過(guò)氧化物而鈹則不能.
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The mechanical properties of beryllium are recovered after relieving machine damage.
消除機(jī)加工損傷后,鈹?shù)牧W(xué)性能又可得到恢復(fù).
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The condition of color reaction of beryllium with sulfosalicylic acid was studied.
研究了鈹與磺基水楊酸的顯色反應(yīng)條件.
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With this system beryllium can be detected in the range 1.5×10~ ( - 8 ) M - 1×10~ ( - 5 ) M.
鈹?shù)臏y(cè)定范圍為1.5×10 ( -8 ) M-1×10 ( -5 ) M.研究了干擾情況.
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We should stop using beryllium whenever possible.
我們只要可能,就應(yīng)該停止用鈹.
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Urine - Determination of beryllium - Graphite furnace atomic absorption spectrometry.
尿中鈹?shù)氖珷t原子吸收光譜測(cè)定方法.
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The method has been used for the determination of trace beryllium in osmotic water and sediment.
利用抗壞血酸的增感作用直接測(cè)定了滲透水和水系沉積物中的痕量鈹.
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