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- Two new medium parameters related to acoustic attenuation are introduced and an acoustic propagation coefficient is defined. 本文引入两个与声衰减有关的介质参量,定义了声传播系数;
- And development foregrounds is that propagation coefficient of the tip meristem culture is high and the range of increasing in yield is clear. 高稳系数分析排位靠前的品种与各试验点正进行的繁殖示范品种高度一致。
- Studies were made on the vegetative propagation coefficient and cormel's biological characters using eighth-excision in different development phase of Lycoris radiate. 摘要在红花石蒜不同生长发育期进行八分法切割繁殖,研究无性繁殖系数和子球生物学性状差异性。
- The suitable medium for plant proliferation was MS+BA0.6 mg/L +NAA0.1 mg/L + granulated white sugar 30g/L+ agar 7 g/L. The greater propagation coefficient (6<) and the better quality were achieved. 适宜增殖培养基为Ms+BA0.;6 mg/L+NAA0
- vegetative propagation coefficient 无性繁殖系数
- seed set propagation coefficient 结实率
- artificial propagation coefficient 人工繁殖率
- acoustic propagation coefficient 声传播系数
- Study on Factors Affecting Propagation Coefficient of Aloe in vitro 影响芦荟离体繁殖系数的几个因素研究
- It is shown that, cot a given delay, the dynamical behavior of immune reaction systems depends sensitively on antigenic propagation coefficients, instead of the speed rate of antigenic elimination. 结果表明,对于给定时滞,免疫反应系统的动力学行为不敏感地依赖于抗体清除抗原速率,而敏感地依赖于抗原繁殖系数。
- Study on Multiplying Buds Induction and Adjustment of Propagation Coefficient in Garlic 大蒜不定芽的诱导及其增殖系数的调节
- The sun sometimes spoils the propagation of radio waves. 太阳有时会影响无线电波的传播。
- Emission and propagation of energy in the form of rays or waves. 发射以光线或波的形式发出和传播能量
- The propagation of animals or plants. 动物的饲养,植物的培植
- Water has a variable coefficient of expansion. 水的膨胀系数是可变的。
- Reproduction and spread; propagation. 复制和散布;繁殖
- Pascal published a treatus on binomial coefficient. 帕斯克发表了关于二项系数的论文。
- Committee on Propagation of the Tradition! '优良传统发扬光大委员会'!
- Cancel water vapour permeability coefficient. 取消了水蒸气渗透系数。
- Crack propagation usually begins slowly. 裂纹的增长常常是开始缓慢。