查询词典 gas-mask

Therefore, the dependence of electron temperature on gas pressure is weaker than on Xe gas ratio.

因此，气压对电子温度的影响比氙气气体比例对电子温度的影响弱。

In Chapter 2, the two dimensional electron gas in heterostructures and the state density of the low dimensional electron gas are presented.

第二章给出了在异质结中二维电子气的形成过程，以及低维电子气的态密度。

In Chapter 2, the of two dimensional electron gas in heterostructures and the state density of the low dimensional electron gas are presented.

第二章给出了在异质结中二维电子气的形成过程，以及低维电子气的态密度。

The physical and chemical properties of producer gas such as energy content, gas composition and impurities vary time to time.

生产者气体的物理和化学的内容，如能源，气体的成分和杂质的属性变化时有发生。

when the gas is in an equilibrium state, the mean energy of any gas molecule in a degree of freedom is equal to . This is known as equipartition theorem.

气体处于平衡态时，气体分子任何一个自由度上的平均能量都相等，均为，这就是能量按自由度均分定理。

Sample to the value of gas emission of every tunnel once, the whole wind network will be sampled once. For a kind of sample, we will equipoise the gas flow in wind network.

对每一条巷道瓦斯涌出量值进行一次抽样，实际就是对整个风网进行一次抽样，对整个风网的一次抽样在风网中进行瓦斯流平衡，从而得到每条巷道的瓦斯流流量值。

It is characterized by that after the UV lamp is evacuated, its interior can be filled with inert gas, mercury vapour or metal halide vapour and mixture of the above-mentioned gases. Said light source can be used for implementing disinfection and sterilization of gas, liquid and solid, photochemical synthesis of chemical substance and UV etching and UV information erasion of electronic material and device.

该光源由微波激发灯体内的特定气体电离产生等离子体发出紫外线光，能够实施对气体、液体、固体的消毒、灭菌以及通过紫外线实施对化学物质的光化学合成和对电子材料和器件进行紫外刻蚀、紫外信息擦除等，该微波紫外光源具有无电极、无镇流器，功率大、启辉迅速、寿命长、能耗低、效率高等特点。

72 As more and more ethane and propane are extracted form natural gas, the control of the But or heating content of gas becomes mere important.

答案：随着越来越多的乙烷和丙烷从天然气中分离出来，对天然气的加热温度的控制也越来越重要。

Since the High-Lying Vibrational excited levels and dissociate behavior of gas diatomic molecules: H2, O2, N2 and CO are very important in actual studies and applications, using the algebra method and the algebra energy method to obtained full vibrational energy spectra {E} and molecular dissociation energies are base on limited experiment energy level {E} in this paper. The study result has provided the important high vibrational excited state energy level and the reliable dissociation energy data for the research partial dissociating gas physics and the chemical property.

鉴于气体双原子分子H2、O2、N2和CO的高振动激发态能级和离解行为在实际研究中的重要性，本文应用代数方法和代数能量方法，以部分气体双原子分子有限的实验能级［E］为基础，获得了H2-X1Σ、O2-A^3Σ、O2-c1Σ、N2-X1Σ和CO-X^1Σ共5个电子态的完全振动能谱｛E｝及其分子的离解能，为研究部分离解气体的物理和化学性质提供了重要的高振动激发态能级和可幸的离解能数据。

The excrescence during the helium replacement in satellite gas store case was tested and analyzed by using gas chromatography of GOW-MAC and Agilent company.

用美国GOW-MAC公司的气相色谱仪和Agilent公司的气相色谱仪对某卫星气体贮箱在氦气置换化验过程中发现的未知杂质进行试验分析，经分析未知杂质的来源可能是所用气体贮箱处理时的残留物。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐