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Wuhan huayi Gaz SF6 purity testing

Wuhan huayi Gaz SF6 purity testing

May 25, 2020 · Using sample pooling, Wuhan authorities collected samples one by one from citizens, and then processed five to 10 of them at once in a single nucleic-acid test. By bundling multiple samples, Wuhan was able to immediately clear all of the citizens included in one test—as long as the test came out as negative—thereby significantly cutting the ...

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