Microgram for microgram, beryllium is one of the most toxic elements on the periodic table.
微克,又是微克,是周期表上最有毒的之。
Microgram for microgram, beryllium is one of the most toxic elements on the periodic table.
微克,又是微克,是周期表上最有毒的之。
Beryllium element occurs in sericitization-kaolinization syenogranite as bertrandite single ore, and distributes in sericite as seperated type occurrence.
以羟硅石单矿物赋存于绢云化高岭土化正长花岗岩,其次呈分散状态分布于绢云。
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