查询词典 energy transfer

With the dimentional analysis, the fluid momentum transfer resistance criterion, the heat transfer resistance criterion, the mass transfer resistance criterion R_M~*, R_M , the buoyance resistance criterion R_ and the liquid membrane energy criterion E_σ were derived from the principal physical parameter of ILM.

应用因次分析法，由ILM的主要物理参数导出了流体动量传递阻力准数R_L~*、R_L，热量传递阻力准数R_H~*、R_H，质量传递阻力准数R_M~*、R_M，浮阻准数R_和膜能准数E_σ。

Metals on the absorption of laser light energy to the metal actually inside the transmission, once the incident laser photon to metal crystals, photon elastic collision with electrons, photons transfer their energy to the electronics, from the low-energy level of electronic transitions to the high-energy level.

金属对激光的吸收实际上也是光能向金属内的传输，一旦激光光子入射到金属晶体，光子就与电子发生弹性碰撞，光子将其能量传递给电子，使电子由原来的低能级跃迁到高能级。

The following points are emphasized:The operation models of adiabatic and diabatic distillation have been set up and the operation block, thermodynamics model and mathematical model in the simulation have been determined as well;(2)Based on the simulation and exergy analysis with Aspen Plus program, shortcut distillation design—DSTWU model and rigorous distillation design—RADFRAC model, the author has determined the heat duty, exergy losses and the distribution of exergy losses along the adiabatic column, which will help the simulation and optimization of the diabatic distillation;(3)Diabatic distillation under various operation conditions has been simulated by using energy balance method and exergy analysis;(4)How the different mixture and the various degree of separation, number of trays and feed location influence exergy saving in diabatic distillation have also been discussed;(5)On the basis of the total exergy losses along the column, different schema of the heat transfer distribution along the column have been compared and analyzed;they can be classified in three categories: heat duty equipartition approach, empirical approach, separation degree matching approach. In conclusion, different heat transfer distribution along the column will have effect on total exergy losses. In particular, most satisfactory results have been obtained by using separation degree matching approach. In order to diminish the exergy losses, heat transfer distribution should meet the needs of the request of separation degree.And on this premise, the author makes his suggestion in increasing the proportion of heat supplied to the tray with minimum exergy losses and decreasing the proportion of heat supplied to the tray with the maximum exergy losses.

本文对透热精馏过程进行了模拟并对其节能效果的影响因素做了较为全面的分析和深入的研究，主要研究内容如下：(1)建立了常规精馏和透热精馏过程的模拟操作模块、热力学模型以及数学模型；(2)利用化工模拟软件Aspen Plus并分别采用DSTWU简捷模型和RADFRAC严格计算模型对常规精馏进行模拟计算和有效能分析，确定常规精馏塔的公用工程热负荷、有效能损失及有效能损失在塔内的分布，为透热精馏的模拟和优化提供数据参考；(3)对不同物系在不同分离度条件下进行透热精馏的模拟，分别采用能量衡算法和有效能分析法进行计算和分析；(4)探讨了各种因素如物系的选择、不同分离度、塔板数、进料位置对透热精馏节能效果的影响；(5)以全塔总有效能损失为比较基准，对热量在塔内的三种分布方案即热负荷平均分配法、经验法和分离度匹配法进行了对比分析并得出结论：塔内热量的不同分布方案对于全塔总有效能损失会产生影响，其中以分离度匹配法的节能效果最为理想，为减少有效能的损失，应使塔内的热量分布满足各塔板的分离度要求，并在此前提下，尽量减小有效能损失大的塔板的热负荷和增加有效能损失小的塔板的热负荷。

Supported by the National Natural Science Foundation of China(Study on Heat Transfer Characteristics of Downhole Coaxial Heat Exchanger in Convection Geothermal Reservoir )and Tianjin Development and Plan Program of Science and technology(Study of Ecologic Architectural Energy System), the thermal performance exploiting earth energy for heating and cooling is studied in this paper,and its main purpose is to offer reference for increasing the percent of renewable energy in Ecologic Architectural Energy.

本文在国家自然科学基金（井下换热器周围对流型地温地层内的传热特征研究）和天津市科技发展计划项目的资助下，重点研究了地表热能高效利用中的传热与热力性能问题，为可再生能源在生态能源建筑中发挥更大的作用提供依据。

Methanol molecule participates in the proton transfer process, which takes place by a intermolecular six-membered proton-transfer transition state structure instead of the intramolecular four- membered. Consequently, the activation energy of the proton-transfer process is reduced greatly,resulting in the carbon-carbon bond formation process become the rate-determining step. The results are consistent with Aggarwal's the latest dynamics experiments.

CH3OH分子参与质子转移过程，使得原本通过四元环结构过渡态的质子转移过程通过六元环结构过渡态实现，从而极大地降低了质子转移过程的活化能，碳-碳键形成过程进而成为反应的速度控制步骤，研究结果与Aggarwal等的最新动力学研究成果相吻合。

To quantificationally describe trip mode transfer rules,the comparability between trip mode transfer and quantum jump was analyzed in detail,and a trip mode transfer model was put forward according to quantum energy level jump theory.

为定量描述出行方式转移规律，分析了出行方式转移与量子跃迁的相似特性，根据量子能级跃迁理论建立了出行方式转移模型，通过分析长春市居民出行调查数据，推导了出行方式转移的多项式拟合公式，分别采用2~4次多项式标定了拟合系数，并且进行了相关性检验。

Heat and work involve the transfer of energy; heat transfer red may become thermal energy.

热和功包含了能量的转移，热被转移可能变成热能。

The obtained potential energy curves disclosed that a four-state cycle existed in the ground and excited states. It was also found that the activation energy for the methyl transfer was higher compared to the phenyl transfer, which was consistent to the experimental results that the photoisomerization of the phenyl substituted derivative was more rapid than the methyl substituted derivatives.

对反应势能面的研究发现，在光异构化反应中化合物M21和M21、M31的基态和激发态虽然都可以构成四能级反应过程，但由于M21异构化过程的活化能较高，使其所构成的四能级反应难以进行，这就从理论上解释了迁移基团为甲基的M21变色性能低于迁移基团为苯基的M31的实验结果。

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In order to analyze the systematic reliability automatically,a model of fault transfer table for describing fault system is developed in two aspects:(1)the format of fault transfer table is improved obviously;(2)the energy flow fault class is put forward so as to supplement the fault transfer table.

为了对系统的可靠性进行自动化分析，本文在两个方面发展了进行故障系统描述的故障传递表模型：( 1 )对故障传递表的格式进行了较大改进；( 2 )提出了能流故障类，以它为故障传递表描述的补充。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。