Computational simulation of jacking force based on spherical cavity expansion theory and friction fatigue effect

Dynamic response of spherical cavity in nearly saturated elastic soils

弹性准饱和土中球空腔的动力响应

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Closed Form Solutions of a Spherical Cavity Shocked by Combined Heat and Pressure

热力联合冲击下球型空腔热动力响应的封闭解

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The results showed that the spherical cavity mixer provided the best mixing effect.

结果表明球窝混合器的混合效果最好。

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Problem of spherical cavity expansion in granular soil under high stresses

高应力粒状土中球形孔的扩张问题

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Analysis of spherical cavity expansion in sands by energy conservation and its application

砂性土内球形孔扩张的能量平衡分析及其应用

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By comparing with the conventional spherical cavity expansion, the total stress, effective stress and excess pore pressure with considering the disturbed spherical cavity expansion decrease apparently.

通过与不考虑扰动的球形孔扩张理论进行对比，可发现考虑扰动后球形孔扩张的应力、超孔隙水压力明显地降低。

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The spherical cathode materials for lithium ion batteries have the outstanding advantages such as high pile-density, high capacity density and excellent manufacturing performance, being expected as the important directions. The "controlled crystallization" method is an ideal way to prepare spherical cathode materials.

球形材料具有堆积密度大、体积比容量高、加工性能好等突出优点.球形化是锂离子电池正极材料的重要发展方向.控制结晶法是制备球形材料的理想方法。

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In the present study, an aberration theory for both wide and narrow electron beams in a combined electromagnetic focusing spherical cathode lens system is discussed.

本文研究了对宽束和细束阴极透镜普遍适用的电磁复合聚焦球面阴极透镜的象差理论。

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Synthesize and properties of spherical cathode materials LiNi_ ( 0.8) Co_ ( 0.2) O_2 by controlled crystallization method

控制结晶法合成球形正极材料LiNi（0.8）Co（0.2）O2及其电化学性能

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High density spherical cathode materials for lithium ion batteries

锂离子电池高密度球形系列正极材料

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Influence of magnetic field on I-V relations of spherical cathode diode

磁场对球头阴极二极管特性的影响

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Magnetic field affects strongly characteristics of spherical cathode diode.

采用全电磁PIC粒子模拟方法研究了磁场对球头阴极二极管物理特性的影响。

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In order to produce high-impact propylene copolymers in loop reactor, a kind of spherical polymerization catalyst DQ-VI with better performance was developed.

针对工业环管反应器中高抗冲聚丙烯共聚产品的生产，开发出一种性能更加优良的球形聚丙烯催化剂DQ&VI。

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Homogeneous design of experimentation was applied to gaseous copolymerization of ethylene-propylene over spherical Ziegler-Natta catalyst to prepare ethylene-propylene impact copolymer.

运用均匀设计法对乙烯-丙烯气相共聚进行实验设计，将反应条件与聚丙烯乙丙抗冲共聚物（简称共聚物）的组成进行关联。

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Method of intersecting point locus for calculation of isothermal effectiveness factor in a spherical porous catalyst pellet

线族交点轨迹法求算球形催化剂的等温有效系数

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Study on the properties of a new spherical support catalyst for polyethylene has been touched.

对一种采用球型载体合成的聚乙烯催化剂的性能进行研究。

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A random network model for spherical porous catalyst pellet

多孔球形催化剂颗粒的随机网络模型

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When the intrinsic reaction rate is non-first order, the differential equation describing the distribution of the concentration of a reactant in spherical catalyst at isothermal condition is a second order non-linear ordinary differential equation and does not have analytical solution.

等温情况下，当本征反应速率是非一级反应，描述球形催化剂内反应组分浓度分布的微分方程为二阶非线性常微分方程，无解析解。

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According to the pellet models constructed in the first part of this paper, the diffusion reaction performance in a spherical catalyst pellet, and the effects of operation conditions and pellet size on reactivity and product selectivity were systematically investigated.

在催化剂颗粒模型化的基础上，考察了费托合成多重反应体系中球型催化剂的颗粒尺寸、操作条件及反应物在催化剂颗粒内的扩散反应行为等对反应性和选择性的影响。

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The structure and properties including polymer stereoregularity, relative molecular mass and distribution and thermal behavior of polypropylene produced with DQ spherical catalyst on industrial batch reactors were studied by 13 C NMR, GPC and DSC.

采用13c NMR、GPC和DSC等分析测试方法对用DQ型球形催化剂在间歇法聚丙烯生产装置上所生产的聚丙烯的规整性、相对分子质量及其分布、聚合物的热行为等进行了研究。

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