查询词典 vapor pressure

Halide lamphi-pressure sodium vapor lamp.

可配装白炽灯、汞灯、金卤灯、高压钠灯。

The possibility of vapor lock was increased on engine because the low saturated steam pressure and the great latent heat of gasification.

为了解乙醇汽油的蒸发性，本文主要对几种不同混合比例的乙醇汽油进行了馏程和饱和蒸汽压试验研究。

Ethanol-gasoline ; distillation range ; saturated steam pressure ; evaporation ; vapor lock

乙醇汽油；馏程；饱和蒸汽压；蒸发性；气阻

The second problem is also related to the larger volume of vapor at lower pressure.

第二个问题是与较低的蒸气压力下会有较大的蒸气体积有关。

The capacity of air to hold water vapor depends on its temperature and pressure.

空气保持水蒸气的能力取决于温度和压力。

Gas phase method contained titanium tetrachloride gas phase method, vapor-phase hydrolysis of titanium alkoxide method, evaporation of Low Pressure Gas method, and so on.

液相法中的几种方法由于工艺简单、条件温和，气相法反应速度快，过程易放大，容易实现连续生产。

The titanium silicide fims were prepared on glass substrate by atmospherical pressure chemical vapor deposition using SiH_4 and TiCl_4 as the precursors and diluted N_2,simulated the technics of coating on line,in the deposition reaction temperature about 640-730℃.

模拟在线镀膜工艺，采用APCVD方法，以普通载玻片作为基板，硅烷(SiH_4)、四氯化钛(TICl_4)为先驱气体，氮气(N2)稀释，沉积反应温度在640～730℃之间，制备硅钛化合物薄膜。

ConclusionThe extraction rate of volatile oils from Heracleum hemsleyanum Diels by supercritical CO2extraction process is higher than that of water vapor distillation,and the optimized extraction conditions are:extraction pressure 25MPa,extraction temperature 45℃ and flow rate of CO2 20L/h, and the yield of volatile oils is 0.65%.

结果通过各因素级差大小的比较可知：萃取压力的变化对萃取率的影响最大，萃取温度次之，而CO2流量对萃取率的影响最小。结论超临界CO2萃取牛尾独活挥发油的萃取率较水蒸气蒸馏法高，最佳萃取条件为萃取压力25MPa，萃取温度45℃，CO2流量20L/h，挥发油收率为0.65%。

ConclusionThe extraction rate of volatile oils from Heracleum hemsleyanum Diels by supercritical CO2extraction process is higher than that of water vapor distillation,and the optimized extraction conditions are:extraction pressure 25MPa,extraction temperature 45℃ and flow rate of CO2 20L/h, and the yield of volatile oils is 0.65%.

超临界CO2萃取牛尾独活挥发油的萃取率较水蒸气蒸馏法高，最佳萃取条件为萃取压力25MPa，萃取温度45℃，CO2流量20L/h，挥发油收率为0.65%。

The most important character of such a problem is that the vapor makes not only a bulk motion under the pressure gradient with the whole gas phase together, but also a diffusive motion relativing to the incondensable gas.

这类问题的主要特点是蒸汽不仅随着不凝性气体在压力梯度的驱动下做整体运动，还有相对于蒸汽相对于整体运动的扩散运动。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新