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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
A maximum-dissipation principle in generalized plasticity
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We generalize to non equilibrium states Onsager's minimum dissipation principle.
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Minimum Dissipation Principle in Stationary Non-Equilibrium States
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We derive a dissipation principle that describes transport in a typical motor system that establishes a weak topology as the natural environment for the system and also yields the equations of evolution.
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These evolution equations, which represent non-equilibrium, transient responses such as creep, stress relaxation, or variable loading, are derived from a maximum energy dissipation principle, which supplements the second law of thermodynamics.
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| | The jet-loop reactors are a kind of multiphase reactors with high heat and mass transfer rates, and well mixing effects. The flow characteristics have been investigated in series by using a model jet-loop reactor in this study.The different behaviours were obtained for different modes of operations, e.g., injection of liquid or gas only, or the injection of a mixture of gas and liquid to be injected.Some experimental data can be served as the basis for the application of loop reactors to the industries. The... | | 喷射型环流反应器是一种新型的多相反应器,它具有较好的传热、传质和混合特性。作者对它的冷模特性进行了一系列的研究,获得了单液相、气提式和气液共射式三种不同操作方式下的规律性,为工业应用提供了一定的基础和数据。在直径300mm,高度为2m的喷射型内环流反应器中,以空气—水为体系,测定了液体的循环强度和气含率,并以最小能量耗散原理建立了气含率的表达式。同时,实验考察了气含率的分布。 | | 文摘来源 | | By using three different ways of analysis for bed-building discharge, the relationship of the critical point of scouring and sedimentation in the main transition section to the critical point of abrupt increasing of discharge in a unit width of channel, and the relationship of the critical point of scouring and sedimentaion in the main transition section to the average elevation of riverside flats, this paper . offers an optimum value of regulation water level in regulating the low water shoals. Proceeding ... | | 本文从造床流量、主要过渡航槽冲淤临界点和单宽流量聚增临界点的相关关系、主要过渡航槽冲淤临界点和边滩平均高程的相关关系等三种不同分析方法,探讨枯水浅滩的整治水位最佳值;从水流运动能量消耗原理出发,推导计算航道整治线宽度的理论公式;又从分析整理长江实测资料中,求得计算理论公式中的自变量及其指数的经验公式和曲线。 | | 文摘来源 | | The hot-state gas hold-up is studied at different temperature and over a wide range of superficial velocity and properties for six systems in an φ250x 4500mm outer loop reactor. The theoretical models for predicting the gasliquid interfacial area and gas hold-up are derived from the minimum energy dissipation principle, and the parameter K_f of the models is determined by experiment. The conclusion show that the result derived is close to that of experimental regression. | | 在直径250mm、高4500mm的外环流反应器内研究了六种物系在不同温度和较宽的操作气速及物性范围内热态气含率的变化规律,由能量耗散原理导出了气液相界比表面积和气含率的理论模型,并由实验确定了模型参数K_f。理论推导结果与实验回归结果相近。 | | 文摘来源 | |   | | << 更多相关文摘 |
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