| 1. | Diffussion characteristics of water soluable cations in engineering loess 水溶性阳离子在工程黄土中的扩散特性 |
| 2. | Numerical analysis of diffusion characteristic in the proton exchange membrane fuel cell 质子交换膜燃料电池阴极扩散特性的数值分析 |
| 3. | Acoustics - sound scattering properties of surfaces - measurement of the random - incidence scattering coefficient in a reverberation room 声学.表面的声音扩散特性.混响室中无规入射扩散系数的测量 |
| 4. | The dispersion characteristics of vehicular pollutant within street canyon were analyzed by using the method of numerical calculation 摘要通过数值计算的方法分析了城市街道峡谷内机动车排气污染物的扩散特性。 |
| 5. | Multi - components caused complicated flow characteristics of stratified flows due to the difference of their own diffusion and component ' s contribution to water density 由于各组分对水体密度的贡献以及其自身的扩散特性的差异使得该类分层流动更为复杂。 |
| 6. | The structure and property of si surface and sio2 - si interface , the diffusion property of ga in sio2 - si compound structure and the segregation rule of ga are summarized in this article , along with the narration of current research of ga diffusion in si 本文首先概括介绍了h表面及h 。内界面的结构与特性, ga在h 。七复合结构中的扩散特性, ga的分凝规律,叙述了硅中ga掺杂的研究现状。 |
| 7. | 1 . two new approaches to determine the algebraic representation of a boolean function are proposed with their applications on the des and rijndael sboxes . 2 . based on the theory of walsh spectrum , such properties as linearity , strict avalanche , propagation and correlation immunity are analysed 2 、利用walsh谱理论分析rijndael算法s盒的线性性、非线性性、严格雪崩特性、扩散特性和相关免疫性等密码性质,从理论上揭示其安全性。 |
| 8. | At the same time , dispersion of different stokes number particles influenced by the ordered large - scale turbulent structures of the carrier gas phase was investigated . and the following " conclusion was drawn : particles of mediate stokes number mainly concentrated in the outer boundary region of large scale eddies , and they had the nignest dispersion rate ; particles or little stakes number mainly lay in the core region of the eddies , and they had the lest dispersion rate ; though particles of large stokes number distributed throughout the eddy structures 同时还模拟研究了不同stokes数颗粒在二维流场旋涡拟序结构作用下的运动扩散特性,详细描述了不同stokes数颗粒在流场中的空间分布规律,认为:中等stokes数颗粒集中于流场旋涡的外沿区域,在流场空间中的扩散率最高;小stokes数颗粒集中于流场系列旋涡的涡核区域,在流场空间中的扩散率最低;而大stokes数颗粒则遍布于流场旋涡涡核和涡外沿区域。 |
| 9. | ( 2 ) in order to reflect the character of deformation of soil precisely , the modulating coefficient * ~ is introduced in this paper , so the mutilayered elastic half space model and winkler model are united , then a method to gain ~ which can be applied in practical situation is illuminated ( 2 )为更好的反映地基土的实际变形扩散特性,本文引用了修正系数的概念,从而把多层弹性半空间地基模型和文克尔地基模型统一起来,并提出了一种可供工程实用的的确定方法。 |
| 10. | According to the study of bass equation , it described the distribution features of incubation time , studied the relations between diffusion rate and the coefficient of innovation and imitation , and the time to peak sales and the point of inflection of diffusion function and the maximum diffusion rate 通过对bass方程的分析,描述了技术创新扩散的生长曲线方程,探讨了技术创新扩散率同创新系数和模仿系数的关系以及销售峰值的到达时间和最大扩散率等酝酿期的扩散特性。 |