Microgram for microgram, beryllium is one of the most toxic elements on the periodic table.
微克,又是微克,铍是周期表最有毒的元素之。
Microgram for microgram, beryllium is one of the most toxic elements on the periodic table.
微克,又是微克,铍是周期表最有毒的元素之。
Beryllium element occurs in sericitization-kaolinization syenogranite as bertrandite single ore, and distributes in sericite as seperated type occurrence.
铍元素羟硅铍石单矿物赋存于绢云母化高岭土化正长花岗岩中,其次呈分散状态分布于绢云母中。
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