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diffusion of solid
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  “diffusion of solid”译为未确定词的双语例句
     Study on Rise and Diffusion of Solid Rocket Motor Exhaust Cloud
     固体发动机试车废气烟团抬升及扩散研究
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     A mathematical model of the radial chromatography is set up in this study, based on the intraparticle surface diffusion of solid phase, the different equilibrium isotherm, the external mass transfer resistance, and the shape and size of the adsorbent.
     本文建立了内扩散为表面扩散控制,同时考虑吸附剂颗粒外扩散阻力、吸附等温线、吸附剂形状和颗粒大小影响的径向色谱吸附动力学数学模型。
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     The result in the paper can be used for studies of diffusion of solid waste gas in landfill, the polluted gas collecting and preventing secondary pollution.
     这为定量化研究垃圾气体在填埋场中的扩散状况以及污染气体的排放和收集、防止二次污染提供了可靠的理论依据。
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  相似匹配句对
     MECHANISM OF ENHANCED DIFFUSION IN MICROWAVE SOLID STATE REACTION
     微波固相反应的扩散增强机理
短句来源
     KINETIC ANALYSIS OF SOLID GRAIN DIFFUSION IN ZnO DESULFURIZER
     氧化锌颗粒脱硫中固体扩散的动力学分析
短句来源
     KINETIC MODEL FOR SOLID STATE REACTIONS CONTROLLED BY DIFFUSION
     扩散控制的固相反应动力学模型
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     Transient Wet Diffusion in Vacuum Drying of Solid Insulation
     固体绝缘材料真空干燥的瞬态湿分迁移
短句来源
     Preparation of solid lipid nanoparticles by solvent diffusion method
     溶剂扩散法制备丙酸倍氯米松固体脂质纳米粒
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  diffusion of solid
It is shown how the hydrodynamics of spinning flow and turbulent diffusion of solid particles influence the process of size classification of particles in gravitational and centrifugal force fields.
      
Diffusion of solid phase DCPD into the crack is slow or unlikely to occur at all.
      


Systematic scour tests of solid and artificially dispersed two-dimensional water jets have been carried out with sand and gravel as bed materials. The angles of inclination of jets are 45°and 90°. Based on the results of experiments, two different types of scour, i.e., the shallow tailwater type and the deep tailwater type, are proposed. In the former type, the depth of water in the scoured pit required for equilibrium is independent of the tailwater depth, whereas in the latter, it is dependent on the tailwater...

Systematic scour tests of solid and artificially dispersed two-dimensional water jets have been carried out with sand and gravel as bed materials. The angles of inclination of jets are 45°and 90°. Based on the results of experiments, two different types of scour, i.e., the shallow tailwater type and the deep tailwater type, are proposed. In the former type, the depth of water in the scoured pit required for equilibrium is independent of the tailwater depth, whereas in the latter, it is dependent on the tailwater depth. The law of diffusion of solid jets in the water cushion is found to be similar to that of free turbulent jets. In the case of 90°, the ratio between the initial velocity of a solid jet in the immerging section and the average velocity on the bottom of the pit, when the scouring action has reached its equilibrium condition, is found as shown in Fig 4 or formulas (10) and (11). Meanwhile, the bottom velocity is found to be smaller than the scouring velocity of the bed material under uniform flow condition, and the relation between them is shown in Fig. 5 or formula(13). The effect of the degree of dispersion and aeration of water jets on the depth of scour is also preliminarily investigated. In the case of 45°jets (both solid and dispersed), formulas for the estimation of scour are given as follows: For the shallow tailwater type, h_p=1.38Φ~(0.25)/((a~(1/9)D~(0.25))q~(0.75)z_0~(0.125).(26a) For the deep tailwater type, h_p=2.3×(q)/(1/2)~((p_s-p)/p×gD)+3/(a+3)h_H. (27a) Comparison of the data on model tests of bucket type energy dissipators with the corresponding results computed by these formulas shows that they are fairiy consistant.

在实验室二元水槽中进行了入射角为90°及45°的纯水射流及人工分散搀气射流对砂卵石床料冲刷的系统试验。根据试验成果,提出区分浅水型冲刷与深水型冲刷的概念,前者在冲刷平衡时坑中水深与下游水深无关,后者则有较大关系;冲刷坑平衡时坑底水股的断面平均流速比等流量下均匀流的不冲流速为小,两者存在一定的函数关系,根据这一关系及射流在水垫中扩散的规律,可根据均匀流的不冲流速估算纯水射流对河床的冲刷深度;对于射流在分散搀气情形下对减弱冲刷的作用进行了初步的研究,在-15°的人工分散射流,浅水型冲坑平衡水深的减低约为分散度1/9次方的关系,在深水型则减弱冲刷的作用较大,得出在一定范围内初步估算冲坑平衡水深的关系式。文中曾将若干实际工程鼻坎挑流的模型冲刷试验成果与用所得公式计算的结果进行比较,说明尚能符合。

Both empirical analysis and experimental investigation of the Nb-CuSn solidsolid diffusion couple arc shown that the Sn atoms in solid CuSn alloy diffuse into Nb lattice alone, but the diffusion of Nb atoms into CuSn alloy can be neglected. The only Nb_3Sn phase is formed with superior stability after diffusion. On the basis above mentioned, the discussion about the formation of Nb_3Sn during diffusion of solid-solid system was made. Furthermore, certain allied topics on that during solid-liquid...

Both empirical analysis and experimental investigation of the Nb-CuSn solidsolid diffusion couple arc shown that the Sn atoms in solid CuSn alloy diffuse into Nb lattice alone, but the diffusion of Nb atoms into CuSn alloy can be neglected. The only Nb_3Sn phase is formed with superior stability after diffusion. On the basis above mentioned, the discussion about the formation of Nb_3Sn during diffusion of solid-solid system was made. Furthermore, certain allied topics on that during solid-liquid diffusion were also interpreted briefly.

经验分析和实验研究都表明,在Nb-CuSn合金的固-固扩散中,固态CuSn合金中的Sn原子单方面地向Nb扩散,而Nb原子向CuSn合金的扩散可以忽略。扩散处理后,仅有Nb_3Sn相形成,而且十分稳定。在此基础上,讨论了固-固扩散中Nb_3Sn的形成过程。最后还简要讨论了固-液扩散中Nb-3Sn相形成的有关问题。

A dynamical coupling model of solid waste gas transport in landfill is established based on the theory of continuum mechanics, thermoelastic material mechanics, and the multi fields coupling theory. Using the method of the perturbation and integral transform, an approximate analytical solution of the nonlinear mathematical model is obtained. The effects of gas pressure, temperature and strain in coupling dynamics field on compressed gas transform are studied. The pore pressure distribution in the process of...

A dynamical coupling model of solid waste gas transport in landfill is established based on the theory of continuum mechanics, thermoelastic material mechanics, and the multi fields coupling theory. Using the method of the perturbation and integral transform, an approximate analytical solution of the nonlinear mathematical model is obtained. The effects of gas pressure, temperature and strain in coupling dynamics field on compressed gas transform are studied. The pore pressure distribution in the process of solid waste gas transform is calculated in an example. The results make clear that the differences of coupling action and uncoupling action are obvious and the effects of coupling cannot be ignored. The result in the paper can be used for studies of diffusion of solid waste gas in landfill, the polluted gas collecting and preventing secondary pollution.

基于连续介质力学 势弹性力学原理 ,运用多场耦合理论建立了填埋场中可压缩垃圾气体迁移耦合的动力学模型 ,并采用摄动法及积分变换法对该强非线性数学模型进行拟解析求解。通过算例对比分析 ,探讨了耦僵动力场中气压、温度和应力变化对可压缩气体迁移的影响 ,得出了垃圾气体迁移过程中的孔隙压力分布规律。结果表明 ,三场耦合作用与非耦合作用相对差别较大 ,耦合效应不能忽略。这为定量化研究垃圾气体在填埋场中的扩散状况以及污染气体的排放和收集、防止二次污染提供了可靠的理论依据。

 
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