| 1. | Correlations of diffusivities for gases
气体扩散率的关系式 |
| 2. | Carrier gas diffusivity
载气扩散率 |
| 3. | Lasers and laser - related equipment - test methods for laser beam widths , divergence angles and beam propagation ratios - general astigmatic beams
激光和激光相关设备.激光束宽度发散角和束扩散率的试验方法.一般象散束 |
| 4. | The basic parameters , such as temperature , pressure , turbulence kinetic energy and the turbulent kinetic energy dissipation rate , are also analyzed
绘制了压力和温度曲线，以及压力、温度、涡流动能、涡流动能扩散率等值线图。 |
| 5. | Lasers and laser - related equipment - test methods for laser beam widths , divergence angle and beam propagation ratios - part 2 : general astigmatic beams
激光和激光相关设备.激光束宽度发散角和束扩散率的试验方法.第2部分:一般像散束 |
| 6. | Lasers and laser - related equipment - test methods for laser beam widths , divergence angles and beam propagation ratios - stigmatic and simple astigmatic beams
激光和激光相关设备.激光束宽度发散角和束扩散率的试验方法.无象散和简单象散束 |
| 7. | They found that changes in the rate of spread and the timing of peak mortality each year correlated with yearly fluctuations in monthly airline passenger volume
他们发现每年流感死亡的高峰期和扩散率的变化与每年每月旅行乘客数量的波动有关。 |
| 8. | Lasers and laser - related equipment - test methods for laser beam widths , divergence angle and beam propagation ratios - part 1 : stigmatic and simple astigmatic beams
激光和激光相关设备.激光束宽度发散角和束扩散率的试验方法.第1部分:无象散和简单象散束 |
| 9. | Different diffusion coefficients of the population and nutrients , the death rates of the population and the velocity exist in the flow reactor are introduced in these models
在该生物反应器系统中引入了系统本身存在的流速，并考虑了系统中营养和种群的不同扩散率和种群在反应器中的死亡率。 |
| 10. | In ecological systems , biological populations spontaneously migrant or diffuse from locations of high concentration to locations of low concentration by their own diffused rates di for the sake of effects of space , foods and other competitive factors
在生态系统中，由于生存空间、食物等竞争因素的影响，生物群体自然地按各自的扩散率d _ i从密度高的地方向密度低的地方转移、扩散。 |
