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.Toxicity problem in manufacturing and storage might be alleviated by coating beryllium wi...
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。However the toxic properties of beryllium limit its application.然而铍的毒性限制了它的作用.Toxicity problem in manufacturing and storage might be alleviated ...
Physical and ideological barriers had come down in Eastern Europe.物质和意识形态上的障碍在东欧已不复存在。Children's literature is an ideological battleground.儿童文学是各种意识形态交锋的战场。Some have minimized the importance of ideological factors.有...
If the illegal gains are very large the counterfeiter shall be sentenced to fixed - term imprisonment of not less than three years and not more than seven years and be fined.对于违法所得数额巨大的,处3年以上7年以下有期徒刑,并处罚金.The counterfeit...
更重要的是, 所有的现任的和可能继任的部长们也都知道这一点.Even more important, all actual and potential ministers do too.现任的管理人员因为不称职受到了抨击.The current organization is under attack for its incompetence.这一切让安德鲁米切尔,现任的发展部部长, 既幸运又遭人敌视.That makes Andrew...