variable pressure valve 可变压力瓣;
The results showed that parameters Index of Diversity(ⅰ), Variance of Phenotypic Frequency ( VPF), Variance of Phenotypic Value ( VPV) and Coefficient of Variation ( CV) are more effective on evaluating different methods for core collection selection among 8 studied parameters.
结果表明,在所选8个参数中,多样性指数、表型方差、表型频率方差及变异系数为对比不同核心种质取样方法间优劣的有效参数;
Vpv and Qpv can reflect the damage of liver function.
门静脉流速、流量可反映肝功能损害情况。
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