At this point, the bacteria on the nitrocellulose paper remain invisible.
此时，硝化棉纤维纸上的细菌仍旧不可见。
Biodegradability of the nitrocellulose with diphenylamine was investigated in this paper.
研究了含二苯胺硝化棉的生物降解特性。
The nitrocellulose filters are then placed on wet filter paper containing alkali, which denatures the DNA.
再将硝酸纤维素滤膜置于含碱的湿滤纸上， 碱的作用是使DNA变性。
The nitrocellulose filters are then placed on wet filter paper containing alkali, which denatures the DNA.
再将硝酸纤维素滤膜置于含碱的湿滤纸上， 碱的作用是使DNA变性。
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