气体测量

It is used for pressure and vacuum of ammoniac liquid and gas as well as of zhe madia which cannot corrode carbon steel, stainless steel and solders like tin and lead.

仪表适用于测量氨的液体和气体的压力真空，也可测量对碳钢、奥氏体不锈钢和锡铅类焊料无腐蚀作用的介质的压力和真空。

It is used for pressure and vacuum of ammoniac liquid and gas as well as of zhe madia which can't corrode carbon steel, stainless steel and solders like tin and lead.

仪表适用于测量氨的液体和气体的压力真空，也可测量对碳钢、氏体不锈钢和锡铅类焊料无腐蚀作用的介质的压力和真空。

Accuracy of flow measurement using throttling device can be effected by variation in working state, specially for compressible fluid.

采用标准节流装置的差压式流量测量仍是目前工业生产中测量气体、液体流量的主要手段。

The fundamental theory of Dynamic Light Scattering was introduced. Several attempted experiments were done to measure the diameter of smoke particles in gas using DLS measurement.

本文阐述了动态光散射测量的基本原理，尝试性地利用动态光散射技术进行了气体中烟气颗粒的粒径测量。

In the present study, tungsten oxide nanomaterials were synthesized by a modified plasma arc gas condensation technique. The effects of the plasma currents (70~90 A), chamber pressures (200~600 torr), production time（3~12 min）, oxygen partial pressure Ar:O2（1~6:1）and plasma including the hydrogen（0~10 %）on the preparation of tungsten oxide nanostructures were investigated. Pre-treatment on the tungsten oxide nanorods for surface modification was investigated by atmospherical plasma jet. The optical, filed emission, and gas sensing characteristics of tungsten oxide nanopowders were also examined.

本研究系利用电浆电弧气凝合成法来制备氧化钨奈米材料，分别探讨不同腔体压力（200~600 torr）、电浆电流（70~90 A）、制备时间（3~12 min）、氧分压Ar：O2（1~6：1）、电浆气含氢量（0~10 %）对於产物的形貌、相态影响，并使用常压低温电浆设备对氧化钨奈米棒进行表面处理，且针对氧化钨奈米材料的光学、场发射以及使用自行组装气体感测量测设备量测其气体感测特性。

Water and template were removed from intercrystalline pores at lower temperature, which had lower ideal selectivity and lower concentration.

对膜在不同的焙烧温度下，单组份气体N2、H2、n-C4H10、i-C4H10的渗透通量进行了测量，结果表明在焙烧过程中，膜内主要有两种不同的孔产生，低温下晶间孔内的水份和模板剂首先逸出，这些孔对气体的选择性不大，但它们所占比例也不大。

In order to study the reaction kinetics of uranium with CO or CO 2,uranium samples of different forms are obturated in reaction vessels and then CO or CO 2 is filled in. Gases in vessels are analyzed at different storage time.

在一定温度下，将不同形态的铀样品密闭贮存在容器中并充入一定压力的高纯CO或CO2 气体，通过定期测量贮存容器中气体组成，初步研究了铀与CO或CO2 的反应动力学。

Base on the high quality MIR source, cavity ring-down spectroscopy technique was used for gas sensing. A sensitivity of 72×10^(-9) was achieved when use the system to measure the trace H2CO in gas mixture.

采用该中红外光源和衰荡腔光谱技术建立了一痕量气体成分光谱检测系统，并使用该系统对混合气体中的甲醛成分进行了测量，得到了72×10^(-9)的检测灵敏度。

A compact super-radiant optically pumped D2O gas Terahertz laser was developed, it consisted of pumping source, laser cavity, measurement and vacuum system, and the length of laser cavity could be changed in the range of 80-150cm.

实验研制了一种紧凑型工作腔长可变的超辐射光泵重水气体THz激光器系统，激光器系统由泵浦源TEA-CO2激光器、D2O气体分子THz激光工作腔、测量系统以及真空系统组成。

Theca box pressure gauges are used to measure micro pressure and negative pressure of gas that has no danger of explosion and does not erode alloy.

测量对铜合金不起腐蚀作用、无爆炸危险的气体的微压和真空，广泛应用于锅炉通风、气体管道、燃烧装置及其它类似设备上。

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。