查询词典 constant volume

Internal pressure and molar heat capacity at constant volume were calculated for 13 kinds of liquids at 25 ℃ and 101.325 kPa including polar liquids, non-polar liquids and associative liquids.

以包括极性液体、非极性液体和缔合液体的13种液体为例，计算了它们在25℃及101.325kPa时的内压和摩尔定容热容。

The thermodynamic function data, including total energy, enthalpy, entropy, free energy and constant volume molar heat capacity for dibenzo-furan and 135 polybrominated dibenzo-furans, were predicted by fully optimized calculation and frequency analysis at the B3LYP/6-31G* level.

在B3LYP/6-31G*水平上对二苯并呋喃和135个多溴二苯并呋喃系列化合物进行了全优化计算和振动分析，得到各分子的总能量、焓、熵、自由能和恒容热容，研究了这些参数与溴原子的取代数目及取代位置的关系。

By combining these indices with seven thermodynamic properties reported in literature of such PCBs, including standard entropy (S0),standard enthalpy(H0),standard free energy(G0),total energy,thermal energy correction,zero-point vibration energyand constant volume molar heat capacity (C0V), a series of quantitative structure property relationship .

本文在前面工作[13-14]的基础上，建构了一种新的定位指数mW及基团对应指数D，用mW结合D与多氯联苯的热力学性质进行关联，建立了良好的预测模型，取得了与文献方法[15]同样优良的估算和预测结果，而本法采用的变量较少，计算也较为简便。

The 0°K relaxed structures of grain boundaries in Cu and its alloys (Cu-Ag, Cu-Bi) were simulated with molecular dynamics method by using a five-parameter potential and constant volume assumption.In these cases, the results showed that the atomic distribution was periodic in the two directions paralled to the grain boundary and it was mirror-symmetric in the direction perpendicular to the boundary.

本文采用五参数对势和固定体积的假定，应用分子动力学方法模拟了零温下纯Cu、Cu-Ag和Cu-Bi合金的晶界弛豫结构，计算结果表明，在上述情况下，原子分布在平行晶界面的两个方向是周期性的，在垂直晶界面的方向是镜面对称的。

Determination of industrial analysis, constant volume net calorific power, elementaryanalysis, plastometer indice, ash composition, grindablity, ash fusion point, ractivity,combustion and transportation performance of the 8 kinds of coal.

通过对8 种煤粉的工业分析、恒容低位发热量、元素分析、胶质层指数、灰分成分、可磨性、灰熔点、反应性、燃烧性能和输送性能的测定。

The device is composed of Constant Volume Sampling system and Analyzer Unit.

排放检测设备主要由定容稀释取样单元和分析仪器单元构成。

In this paper, the characteristics of the spray evaporation and mixing process within a wide range of injection pressures (40MPa134MPa) were investigated in a constant volume bomb with high pressure single fuel injection by using high-speed laser shadowgraphy and schlieren photography, image processing technique as well as Malvern Droplet and Particle Sizer etc.

作者在所研制的单次可控燃油喷射系统、定容实验装置上采用高速激光阴影法和纹影法和先进的图像处理技术，同时使用Malvern粒子分析仪，在很大的喷射压力范围内对直喷式柴油机燃油的喷雾特性及其混合过程进行了系统的实验研究和理论分析。

The results of the experiment confirm that the turbulence in the constant volume combustion bomb pulsates tempestuously and the main part of the energy of the turbulence in the experiment distribute in the field of the frequency lower than 200Hz.

实验结果表明定容燃烧弹内的湍流是剧烈脉动的高度非定常流动，其中包含的能量主要集中在200Hz以下的低频区域，大尺度湍流在低频区域的能量比小尺度湍流的能量大得多，而且其能谱密度的峰值也大，对应的频率则稍高一些。

A Constant Volume Sampling System with super Critical Flow Venturi flux meter is developed based on Bernouli fluid equation.

基于气体伯努利流动方程，开发了带超临界流文丘里管流量计的定容系统，即CFV-CVS。

According to rate process theory, slip theory of plasticity and principle of virtual work, the micromechanical model of soil creep are set up, the numerical solution of the model is given, the differences and similarilities between frequency distribution function of microplane and clay platelet are discussed and schematic computation flow of the model for fitting the test data of homogeneously stressed anisotropically consoildated clay specimens in an undrained creep test at constant volume are given.

以速率过程理论作为土质学与土力学间的桥梁，根据塑性滑动理论和虚功原理，从微观结构的角度，建立了反映粘性土宏观应力应变关系的微观力学模型，给出了微观力学模型数值解的近似表达式，讨论了微滑面与粘粒和团粒定向频率分布的异同，设计了一个拟合各向异性土不排水蠕变的计算流程。

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。