...有机质对粘性土壤可蚀性的影响时,采用土壤渗透速度(Percolation Ratio),悬浮率(Suspension percentage),分散率(Dispersion Ratio)作为土壤可蚀性指标。Woodbum(1956)指大于0.5mm的水稳性团粒含量与土壤侵蚀量具有良好的负相关关系。
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... dispersion force 分散力 dispersion ratio 分散比率,离散率,分... chromatic dispersion 色散 ...
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The paper introduces the basic cause of the sparkless space dispersion for DC motor with the wide adjustable speed ratio, and gives the control methods of projects.
本文论述了宽调速比直流电动机无火花换向区曲线分散的基本原因，并给出工程控制措施。
Utilizing phase modulator and dispersion compensation fiber (DCF) link, a non-return-zero (NRZ) data format is converted to return-zero (RZ) data format with tunable duty ratio.
提出了利用相位调制器和色散补偿光纤(DCF)把非归零(NRZ)码信号转换成为占空比可调的归零(RZ)码信号的方案。
The effects of the content and dispersion of carbon nanotubes on the tensile strength, tensile modulus and ratio of elongation of the nanocomposites were studied.
研究了碳纳米管的加入量与分散程度对复合材料的拉伸强度、拉伸模量、断裂伸长率的影响。
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