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H-BN thin films were prepared on the (100)-oriented surface of n-Si by r.f. sputtering physical vapor deposition.

利用射频磁控溅射方法，真空室中充入高纯N2(99.99%)和高纯Ar(99.99%)的混合气体，在n型(100)Si基底上沉积了六角氮化硼薄膜。

H-BN thin films were prepared on the (100)-oriented surface of n-Si by r. f. sputtering physical vapor deposition. The field emission characteristics of the BN films were measured in a ultra high vacuum system. It has been found that the field emission characteristics of BN films is affected evidently by substrates temperature.

利用射频磁控溅射方法，真空室中充入高纯N2(99.99%)和高纯Ar(99.99%)的混合气体，在n型(100)Si基底上沈积了六角氮化硼薄膜，在超高真空0^(-7Pa系统中测量了BN薄膜的场发射特性，发现沈积时基底温度对BN薄膜的场发射特性有很大影响。

Vapor-pressure osmometer and differential scanning calorimetry were used to measure the number average molecular weight as 12959, and glass transitation temperature to be -21.5 ℃, respectively.

用蒸汽压下降法测得PEGP的分子量为12959，用DSC法测得其玻璃化转变温度为-21.5℃。

Nigrornaculata by the abdominal lymph capsule separately, and a vapor pressure osmometer was used to measure blood osmotic pressure in different time. At the same time, blood smears were done to observe the abnormalities of blood cells.

用200、400和600mg/kg壬基酚分别对黑斑蛙腹部淋巴囊注射染毒，在不同的时间间隔内利用渗透压仪测量各组血浆渗透压，同时制作血涂片观察血细胞的异常现象。

Effect of solute adsorption on vapor pressure osmometry measurment was studied by four low molecular weight organic compounds and five narrow MWD oliomeric polystyrene samples with known average molecular weight in Knauer VPO apparatus.

在气相渗透仪上，用四个低分子量有机化合物和五个已知平均分子量的窄分布聚苯乙烯低聚体，对VPO方法中的溶质吸附效应作了研究，提出了一种对吸附效应作改正的方法。

Definition: ratio of the partial pressure of water to its saturation vapor pressure at the same temperature.

定义：在相同温度下，水的分压与到达它的饱和蒸汽压的比率

Depending on the temperature and partial pressure, air contains varying amounts of water vapor.

根据对温度和局部压力的空气含有不同数量的水蒸汽。

For ternary system of formic acid-water-pentyl formate, the average absolute deviations of predictions for vapor-phase mole fraction of water and pentyl formate are 0.0292 and 0.0273, respectively, and for the equilibrium temperature is 0.94℃.

由关联得到的三对二元NRTL模型参数预测部分三元体系汽液平衡数据，计算值与实验值基本吻合。

These solvent vapor degreasers meet recentEPA and NESHAP guidelines for use with trichloroethylene and perchloroethylene.

这些溶剂汽油去污设备的达到了最近新出台的EPA和NESHAP对三氯乙烯和四氯乙烯的使用准则。

The permeance of water vapor and oxygen were important index whichinfluence the optical and electrical characteristics of the device.

水分和氧气的渗透是影响器件光电性能的重要因素。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。