| | | | | | | 100% | | | RNA | | | | | | | | 1%~2% 43%~70% 0.01% | | 50℃ 15 60℃ | 100℃ | | 50% 4℃ | | | | | | 1. | | | 80% — 90% | | | | | | 15.2% | | | | | 2. | | | | 5 | 19 1—3 | | 1. | | | | 2. | | 3. | | |