This paper is based on the theory of gas dynamics, by means of improving the first nozzle of diffusion pump in order to increase the pumping speed of diffusion pump are reported in the paper.
本文以气体动力学理论为基础，论述了如何通过改进扩散泵的第一级喷咀来提高扩散泵的抽气速率。
Thompson used diffusion imaging, which measures the direction in which water diffuses through white matter, to show the speed of the connections.
汤普森利用扩散方法成像，他控制水通过白质扩散的方向，显示大脑连接的速度。
The calculation accuracy of diffusion speed in whole-space electromagnetic field affects directly the interpretative precision of TEM survey in underground coal mines.
全空间电磁场扩散速度计算的准确性，直接影响矿井瞬变电磁法探测结果的精度。
This thesis presents a model of diffusion to describe how the diffusion speed affects the multinational corporations 'advantages in technology and monopoly rents.
本文通过一个扩散模型描述了技术扩散速度对跨国公司技术优势和垄断租金的影响。
The solution the rise of temperature diffusion speed up, reduce can strong difference, in addition, temperature polarization still can make ion dehydration process of speed up.
镀液温度的升高能扩散加快﹐降低浓差极化﹐此外﹐升温还能使离子的脱水过程加快。
The food polymer science demonstrates that under the glass state, the change of food quality is controlled by the reaction of diffusion, which is quite slow in speed or even could not happen.
食品聚合物科学认为：在玻璃态下，造成食品品质变化的一切受扩散控制的反应，其速率均十分缓慢，甚至不会发生。
It is proposed that volume comprises some important information about the future stock price, and it may be a proxy of the speed of information diffusion and the amount of momentum trading.
成交量包含未来股价走势的重要信息，能够测度私有信息的扩散速度及动量交易的规模。
In this paper, the cause of speed of KT-150 diffusion pump are analyzed in the construction with using the theory of aerodynamics.
本文运用气体动力学的理论，重点从结构上分析了影响KT- 150型扩散泵的抽速因素。
The diffusion speed of the equation is determined based on the fringe density.
在该方法中，方程的演化速度是由条纹的密度决定的。
The diffusion of carbon in hot working process of cladding sheet is analyzed based on diffusion theory and variations of carbon concentration in the high-speed steel matrix.
根据扩散理论和高速钢加热过程中基体的含碳量变化规律，对复合板材热加工过程中碳的迁移进行了讨论。
The line source mode was also improved with increased computation speed and accuracy, thus realizing the use of PC for line source pollution diffusion modeling.
对线源模式进行了研究，提高了其计算速度及计算精度，解决了在普通微机上实现线源污染扩散的计算问题。
The results of magnification experiments show that critical suspension speed is an ideal scale-up method and the extraction process is controlled by interior diffusion within a certain agitating rate.
对提取搅拌槽通过冷、热模放大实验得出，按临界悬浮转速放大，放大效应很小，是比较理想的放大方法，而且在一定转速范围内茶多酚提取属内扩散控制过程。
And the influence of surface diffusion speed along void surface on interface diffusion was also analyzed.
另外还研究了空洞表面扩散快慢对界面扩散的影响。
The research results showed that the boosted wind speed or the velocity of gas leakage accelerated the gas diffusion, and the diffused gas concentration to the leeward side was decreased.
通过对泄漏气体扩散边界的研究，可确定泄漏气体扩散形成的危险域。
We proposed a five-speed lattice Boltzmann method to investigate the evolution of the reaction-diffusion system.
采用五速正方晶格玻尔兹曼模型，由晶格玻尔兹曼方程推导得到了反应扩散方程。
Wind speed played a leading role and other meteorological factors also have some effect, which resulted from the influence of the meteorology on diffusion, transmission, elimination of air pollutants.
结合风速等气象要素对污染物扩散、传输和清除进行的分析可知， 监测期间风速对污染物浓度分布起主导作用， 气压等其它气象状况对污染物浓度分布也有一定的影响。
Wind speed played a leading role and other meteorological factors also have some effect, which resulted from the influence of the meteorology on diffusion, transmission, elimination of air pollutants.
结合风速等气象要素对污染物扩散、传输和清除进行的分析可知， 监测期间风速对污染物浓度分布起主导作用， 气压等其它气象状况对污染物浓度分布也有一定的影响。
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