临界体积

This model provides a unified mechanism to interpret hard-sphere, compacting cluster, free volume, cage, jamming behaviors, geometrical frustration, reptation, Ising model, breaking solid lattice, percolation, cooperative migration and orientation, critical entanglement chain length and structure rearrangements.

这个模型提供了一个统一的机理可解释：硬球、压缩集团、自由体积、jamming behaviors、 geometrical frustration、蛇行、Ising 模型、破缺固态格子、逾渗、合作迁移和取向、临界缠结链长度和重排结构的粒子数。

Reducing the radius of the working fluid tube can significantly improve the phase change efficiency.

同时根据工质液相和固相的保持时间，确定了滑翔机的临界航程范围，使工质能获得足够的温差能，实现既定的体积变化量。

This paper attempts to associate PFC technology with Quasi-Resonant DC/DC Converter and Synchronous Rectifier technology, to work out a novel switching power supply with higher efficiency and low contamination, which both achieved high power factor, improved effecting on electrical network and ensured high efficiency, furthermore, it is easy to be realized and controlled in circuit.

本文首先阐述了开关电源、功率因数校正技术和同步整流技术的发展及现状，对DC/DC变换的拓扑结构进行了选择，确定了带有隔离的准谐振(Quasi-Resonant)反激型电路，可以有效地降低损耗；接着本文对几种常见的PFC拓扑电路进行分析对比，从中选择了BOOST型电路，对工作在临界状况下的电路进行了分析，采用跟随输入电压的升压变换新技术，减小了电感体积，同时降低了开关管的电压应力，既简单又有效地实现了功率因数校正，并发现此技术值得推广；由于反激型变换器的效率一般都较低，所以本文在传统同步整流技术基础上对其加以改进，设计出一种新颖、高效的同步整流方案。

Most attention is paid to discuss the influence of fiber volume fraction and fiber geometric ratio on them.

特别研究了不同温度条件下，纤维体积分数和几何尺寸对SMA复合材料在加载和卸载时的应力—应变响应的影响，以及对于SMA复合材料在不同温度条件下的相变临界应力的影响。

Moreover, the effects of the ratio of surface to volume on the critical pressure ratio are studied.

并研究了微管道表面积与体积之比值对亚堵塞临界压比的影响。

The basic component of film and the concept of critical pigment volume percent of of water finish were discussed.

本文介绍了水溶性涂饰剂涂膜的基本组成，以及临界颜料体积浓度的概念。

There is a critical value of Kevlar volume content to the one-hybrid-interface composites,which shows a typical hybrid effect.

界面数为1的混杂纤维复合材料的芳纶纤维体积含量在对拉伸强度影响上的存在临界值，表现出明显的混杂效应。

Then this set was used to optimize the size of the step struts to get the highest critical load under a constant volume.

然后利用它在压杆体积保持为常量，并具有最高临界载荷的条件下对截面尺寸进行优化。

The sensitive volume and the critical charge are determined on the basis of the device parameters .

根据器件几何尺寸、掺杂浓度、偏压等因素确定灵敏体积和临界电荷，从而提出单粒子效应的物理模型。

The critical pigment volume concentration, coating layer opacity, brightness and gloss were studied in detail.

研究内容包括合成微细纤维作为颜料的临界颜料体积浓度，配成涂料后涂层的不透明度、亮度和光泽度。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。