It is pointed out that in many textbooks, the derivation of the theorem that the ratio of heat to temperature amounts to zero in any reversible cycle is insufficiently exact and too excessively brief. 关于任一可逆循环热温比之和为零的推导,许多教材上的阐述存在着不够准确和过于简单的问题,本文提出一种比较严格的推导方法。
Efficiency of the Reversible Cycle Employing Ideal Fermi Gas and Ideal Bose Gas As Working Substance 理想费米气体和理想玻色气体为工作物质的可逆循环的效率
By reversible protein phosphorylation eukaryotes control many cellular processes including signal transduction, gene expression, the cell cycle etc. 真核细胞利用可逆的蛋白磷酸化来控制许多细胞过程包括信号转换、因表达、胞周期等。
A Discussion on the Computation of Efficiency of Elliptical Reversible Cycle of Ideal Gas 理想气体椭圆形可逆循环效率计算问题讨论
Interaction between a reversible engine ( A) and a reversible ideal gas Carnot cycle ( B). ( Illustration courtesy of OCW. The forming of personality is the results of these two pieces of systematic circulation movement. 可逆热机()理想气体可逆卡诺循环()相互作用。(片由开放式课程提供。人格的形成是内外两个系统相互作用、循环运动的结果。
The Correct Calculation on the Thermodynamic Efficiency of Reversible Cycle 热力学循环效率的正确计算方法
It is proved that for all the reversible prosses between the heat sources of the same high temperature and low temperature, the Carnot cycle has the maximum efficiency. 证明了在相同的高温热源和相同的低温热源之间的所有可逆循环中,卡诺循环的效率最大;
Analyze the differences in heat-work conversion between irreversible and reversible Carnot cycle. The characteristics of irreversible process is showed. 从热功转换角度分析不可逆卡诺循环与可逆卡诺循环的区别,揭示不可逆过程的特点。
An un-catalysed thermal reversible reaction of a multi-furan and multi-maleimide can form endless re-mendable cross-linked polymerization to heal cracks automatically. But for the specimens of high cycle fatigue damaged, the annealing can not increase the total life. 三聚呋喃和四聚马来酰亚胺可在无催化剂作用下,进行热可逆的、无终止的交联聚合反应,自动愈合裂纹。但对高周次疲劳损伤,进行修复退火不能愈合裂纹和延长寿命。
Comparison Between the Reversible Pulse Tube Refrigeration Cycle and Stirling Cycle 可逆脉管制冷循环与斯特林制冷循环的比较
Based on the irreversible cycle model, the reversible cycle model with heat leak is deduced by neglect of internal irreversibility. And the fundamental optimum relation of the refrigeration system is derived from the point of view of finite investment. 其次在不可逆模型的基础上忽略内部耗散的影响,推导出了包含热漏损失的制冷循环内可逆模型,从有限投资成本的角度出发推导出了制冷循环的基本优化关系式。
The system employs the inherently reversible Stirling cycle, and then its thermodynamic efficiency can easily surpass that of standing-wave system and is even comparable to that of the traditional internal combustion engines. 这种机型中由于经历的是可逆斯特林循环,它的能量转换效率较驻波型有本质性的提高,已经可以同传统的发动机(如内燃机)相媲美。
Working as Li-ion cathode materials on the nano-scale, this novel hybrid material does not only offer high reversible Li-ion storage capacity, but also facilitates excellent cycle stability and good high rate charge and discharge performance. 这种新型复合纳米材料作为锂离子动力电池负极材料不仅具有高的电化学贮锂可逆容量,而且具有优异的循环性能和好的高倍率充放电特性。
The reversible capacity, coulombic efficiency, rate and cycle performance, and dynamics performance of graphene have a great dependence on the layer distance, degree of order and size of layer. 石墨烯的可逆容量、库伦效率、循环性能、储锂能力以及动力学性能等与石墨烯的层间距、有序度、片层大小有很大关系。
Especially, the travelling-wave thermoacoustic heat engine and refrigerator, based on reversible thermoacoustic cycle, ideally have the same efficiency as the Carnot cycle. 基于可逆热声循环的行波热声发动机和行波热声制冷机具有潜在的高效率,引起了人们更多的关注。