查询词典 average density

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%。

We have studied silica single and double chain based on two-membered ring and nanotubes based on three-membered ring using the density-functional theory at 6-31G level. The average binding energy, electronic structure and vibration frequency were calculated.

运用密度泛函理论，在6-31G基组水平上，对二元环组成的SiO2单链、双链纳米线和三元环组成的纳米管进行几何优化，并对其结合能、电子结构和振动频率进行计算。

5 The average population density of the world is 47 persons per square mile.

第一句&世界人口的平均密度为每平方英里47人&不是主题句，因为8 Tt t 8。

He based this relationship, using astronomical parameters calculated that each of their counterparts in Gua stars the average orbital velocity and density values were a secret.

他依据这个关系，利用天文参数进行计算，证明出每一对应卦位所属星体的平均轨道速度和密度均分别为一个密值。

The average iR drop accounts for about 74% of the total voltage losses during the C-D cycle at current density of 60 mA·cm-2,suggesting the voltage efficiency of vanadium redox-flow battery single cell with graphite felt as electrodes and Nafion 117 as battery separator,was limited by the cell ohmic internal resistance.

以石墨毡为电极、Nafion 117作隔膜的全钒液流单电池，在60 mA.cm-2电流密度下，每一充放电循环的平均iR降约占总电压损耗的74%，表明该电池的电压效率受制于电池的欧姆内阻。

When the density level of carbon dioxide doubles, the average global temperature rises 3.5 degrees on the Celsius scale, while polar temperatures rise by 10 degrees on the Celsius scale.

8-6 根据资策会的调查，台湾在2001年9月底的上网人口数大约755万人，普及率达到34%﹔其中以ADSL上网人数成场幅度最高，达到了60%。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。