查询词典 vapor density

Based on fractal theory, the density, the temperature, the pressure tensor, the local surface tension and fractional dimension number of liquid-vapor interface at equilibrium are obtained by the help of molecular dynamics simulation.

本文在分形理论基础上，采用分子动力学模拟方法研究了在平衡状态下的汽液界面参数，得了界面区内的密度、温度、压力张量、表面张力和分维数的分布。

Concentration dependencies for the vapor pressure and density of ROS isobutane/Azmol are shown in Fig.

分析显示指向集中的重大的变化液体阶段ROS样品的增长的温度在实验性细胞(图4b)上。

Ionized helium at least, the density minimum, it can quickly disperse from the metal bath of metal vapor produced by an increase, so to use helium as shielding gas, the plasma will be to maximize the suppression, thus increasing the penetration depth, improve welding speed.

氦气电离最少，密度最小，它能很快地驱散从金属熔池产生的上升的金属蒸气，所以用氦作保护气体，等离子体将被最大程度地抑制，从而增加熔深，提高焊接速度。

It was found that M-TCNQ complexes crystallize mainly taking on one dimensional orientation. Slinger, longer and more density cluster of nanowire could be obtained when assuming vapor-solid reaction with higher temperature and longer reaction time.

在气-固相反应法中，通过改变反应温度、升温时间和升温机制等条件可以得到不同形貌和聚集状态的M-TCNQ，并对其生长机制提出了合理的生长模型。

A 3rd-Runge-Kutta-5th-WENO scheme is used in this study to get solution of the Level Set advection equation. A Projection method is used to solve the N-S equation, and different discretization schemes are presented. A TDMA algorithm is used to solve the energy equation. With the use of these methods, a numerical simulation of vapor-liquid two-phase flows during condensation with large density ratio has been successfully realized.

本文应用三阶Runge-Kutta－五阶WENO组合格式求解Level Set输运方程，应用投影法求解气－液两相流流场N-S方程，给出了不同投影法的具体格式，应用TDMA算法求解气－液两相流场的能量方程，成功实现了对大密度比气－液两相流冷凝流动问题的数值模拟。

Under the tropospheric condition, the optical density of water vapor absorption is non-linearly dependent on column density.

利用长程差分吸收光谱技术进行大气NO3自由基测量时，水汽的强烈吸收叠加在测量光谱中，对NO3的精确反演和探测限带来较大的影响。

Naphtha vapor /air mixture is available to test the medium. The volume density of naphtha vapor should be 3%±0.2％.

2.3.1试验介质用石脑油蒸气与空气的混合气，其石脑油蒸气的体积浓度应为3％±0.2％。

New molecular parameters of 18 alcohol-amines were obtained by fitting saturated vapor pressures and liquid densities at different temperatures.The overall average deviations of saturated vapor pressure and liquid density were only 0.94% and 0.88% respectively.

通过关联不同温度下醇胺的饱和蒸气压和液体体积得到了18种醇胺流体的分子参数，新方程计算的饱和蒸气压和液体密度总的平均误差分别为0.94%和0.88%。

This equation is suitable for conditions of the pressure from 0.03 MPa to 53 MPa, density from 2.9 kg/m^3 to 1800 kg/m^3, and temperature from 204 K to 473 K. The average absolute deviations of this equation for gaseous phase pressure, vapor pressure and liquid density are 0.296%, 0.213% and 0.148%, respectively.

将该方程计算的HFC-227ea的pVT数据与实验数据比较后表明：两者的气相压力平均绝对值偏差为0.296%，饱和蒸气压平均绝对值偏差为0.213%，液相密度平均绝对值偏差为0.148%。

Finally the thermophysical properties of dimethyl ether are studied systematically, including the critical parameters, vapor pressure, saturated vapor and liquid density, PVT property, surface tension, and saturate liquid viscosity.

并在此基础上，拟合得到了新的二甲醚饱和蒸气压方程、饱和气液密度方程、气相状态方程、表面张力方程和粘度方程等。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。