它的核弹头使用爆炸设计有一个由约15 - 10千克高纯度浓缩铀组成的实核。
Its nuclear warheads use an implosion design with a solid core of about 15-20 kilograms of highly enriched uranium.
结论原核表达系统可有效克隆较高纯度的CHM - I基因。
Conclusion The more effective CHM-I clone with high purity could be expressed by procaryotic expression system.
免疫荧光染色后细胞纯度分析显示，A2B5染色阳性细胞占DAPI染核细胞的百分比为98.14%。
Purity analysis after immunofluorescence staining revealed that the ratio of number of A2B5-positive cells to that of DAPI-positive cells was 98.14%.
免疫荧光染色后细胞纯度分析显示，A2B5染色阳性细胞占DAPI染核细胞的百分比为98.14%。
Purity analysis after immunofluorescence staining revealed that the ratio of number of A2B5-positive cells to that of DAPI-positive cells was 98.14%.
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