查询词典 pressure atmosphere

Water is normally lost as vapor during transpiration but, if the atmosphere is very humid, water may also be forced from the leaves through hydathodes as a result of root pressure.

水分一般通过蒸腾作用以水蒸气的形式散失，但是如果大气非常湿润，根压就会迫使水分从叶片的排水孔散失。

Based on the test results, it analyzes the effect of atmosphere pressure on the 50% lightning impulse discharge voltage U50 of the long air gaps, and obtained the relationship between the U50 and air gap distance d.

本文首次在大型多功能人工气候室内对长0.5～2.0m 的棒－板空气间隙雷电冲击50%放电电压与气压的关系进行了系统试验研究。

In this paper, a series of laboratory investigations were carried out for the first in the multifunction climate chamber on the lightning impulse discharge performance and voltage correction of 0.5~2.0 m long air gaps at low atmosphere pressure.

2004高压年会，，中国电机工程学会高电压专业委员会本文首次在大型多功能人工气候室内对长0.5～2.0m 的棒－板空气间隙雷电冲击50%放电电压与气压的关系进行了系统试验研究。

Formation geochemistry at pressure transition zone can be used to confine the space scope of atmosphere water penetration.

因此，深入了解稠油稠化的原因对勘探实践具有重要的指导意义。

Based on the fundamental of distillation, MESH model including equations of mass balance, phase equilibrium, mole fraction summations and heat balance for atmosphere-vacuum distillation column was established. The key parameter such as temperature and pressure of product was obtained through solution of the model on Pro/Ⅱ platform. The comparison of simulation results with requirement of spot technology was analyzed.

基于蒸馏原理，对常减压蒸馏塔建立包含质量平衡、相平衡、摩尔分数归一化和能量平衡等方程构成的MESH模型，在Pro/Ⅱ平台上进行流程模拟，获得各塔侧线产品的温度和压力等关键参数，并与现场工艺要求进行对比。

In this thesis, the films and nanowires of titanium silicides were prepared on the substrate by atmosphere pressure chemical vapor deposition, using SiH4 and TiCl4 as precursors.

本论文采用常压化学气相沉积法以SiH4和TiCl4为前驱体在硅板/玻璃衬底上一次性制备出大面积硅化钛薄膜/纳米线复合结构，运用XRD、SEM、TEM等手段对样品的结构和性能进行了测试和分析。

The radiation pressure of the solar wind then expelled most of the unaccreted matter, and only those planets with sufficient mass retained their gaseous atmosphere.

辐射压力的太阳风然后驱逐大部分unaccreted的问题，只有那些有足够的大规模行星保留其气态气氛。

The liquid phase is coupled device is the low voltage gradient itself in a high-pressure pumps add ratio valves in the atmosphere will be set according to the proportion of online several solvents mixed, then pump into the gas system.

液相色谱中的低压梯度洗脱装置就是在高压泵之前加上一个比例阀，在常压下将几种溶剂按设定的比例在线混合之后，再泵入色谱体系。

On showing no air in the vent steam, the vessel pressure is brought to 1.0~1.4kg/cm2g with steam and then minimized to atmosphere .

当放空蒸汽中表明没有空气时，用蒸汽把容器压力升到1.0~1.4kg/cm2g ，然后向大气泄压。

The effects of atmosphere,MH electrode,production process of hydrogen storage alloys separator materials and decomposition pressure of hydride on the self discharge characteristics of Ni MH battery were studied.

探讨了电池中的气氛、MH电极、隔膜材料、贮氢合金生产工艺和氢化物分解压对MH－Ni电池自放电的影响。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。