Because of its structure and relative stability, DNA can be tested even after mixture with acids, bases, gasoline, oil, or bleach.
因为它的结构和相对稳定性,甚至在与酸、碱、汽油、石油或者漂白剂混和的情况下,DNA鉴定还是可以进行。
The problem of satisfactory PID control for a class of stochastic systems with constraints on dynamic error coefficient, steady-state output variance and relative stability margin is considered.
研究一类随机系统具有期望的动态误差系数、稳态输出方差和相对稳定裕度约束的满意PID控制问题。
In this work, SOD gelatin microspheres were made with the aim to improve its stability, oral relative bioavailability, and to study the preparation conditions of microspheres.
本工作将SOD制成微球,以提高SOD稳定性和口服相对生物利用度,且在微球制备条件方面作了进一步研究。
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