查询词典 gas-mask

The determination of gas storage pressure in high-pressure tube bank and the calculation of actual gas storage volume are analyzed. The metal consumption of high-pressure pipeline is compared with that of spherical gasholder.

分析了高压管道储气方式储气压力的确定、实际储气体积的计算，进行了高压管道与球罐的金属消耗比较。

In this thesis the development status of MHD power generation technology is reviewed, and the key points constructing a MHD-steam combined cycle are investigated. A kind of flow train of coal gasified MHD-steam combined cycle system is put forward, which is different from previous ones. In this scheme one part of the high temperature flue gas out of MHD generator channel is utilized to gasify the coal, then the clean syngas is produced in the tail gasifier and the energy of high temperature flue gas is used effectively.

本论文评述了磁流体发电技术的发展现状，分析了磁流体—蒸汽联合循环发电系统构成的问题，提出了一种不同于前人研究的尾气煤气化磁流体—蒸汽联合循环的流程方案，该系统利用磁流体发电通道出来的尾气的一部分进行煤气化，这样既生成干净的燃料混合气体又利用了高温尾气的能量。

The reduction reaction process of exogenic high temperature CO2 and biomass for preparing combustible gas includes setting biomass into furnace, and spraying high temperature CO2 and combustion promoting water vapor from external burner so as to gasify ligonocellulose and similar biomass into combustible gas with CO and H2 as main components.

一种外源高温CO 2 与生物质还原反应制取可燃气体的工艺，生物质被置入炉内后，再用外置燃烧器向炉内生物质喷入由水蒸气助燃的高温CO 2 ，利用二氧化碳和水蒸气作为气化剂，在高温下，将木质纤维素类生物质气化生成以CO、H 2 为主要成分的可燃气体。

The effect for analyse result exactly was analysed from analysis line,lamp current,combustion controller height and gas/combustion-supporting gas to determine lead in gasolene by atomic absorption spectrometry method,and defined the best operating conditions.

分析了原子吸收法测定汽油铅含量时分析线、灯电流、燃烧器高度及燃气/助燃气比等操作条件对分析结果准确性的影响，并确定了最佳操作条件

Production Capacity of Gaswork Gas refers to the overall production capacity of the urban gasworks in gas generation, purification and delivery at the end of the reference period, excluding capacity of the reserved facilities.

人工煤气生产能力指报告期末人工煤气生产厂制气、净化、输送等环节的综合生产能力，不包括备用设备能力。

After analyzing the characteristics of gas behavior, a general PVT gas equation of state is developed.

根据热力学普遍特征和推断性特征，对状态方程（式（4.16））提出了确定其常系数的方法，使式（4 16）发展成为通用型气体状态方程。

Systematic well test, or steady-state well test, is one of important methods by which the open flow capacity of a gas well and the general expression of gas well deliverability equation are determined.

系统试井是确定气井产能方程、无阻流量等的重要方法之一。

The stratified flow, slug flow and asymmetry annular flow upstream become symmetry annular flow with uniform film thickness after the spin generating element. The liquid extraction ratio is only determined by the diameter and number of the sampling holes and independent of gas and liquid flow rate of the main pipe, and the gas extraction ratio is mainly controlled by the liquid flow rate of the main flow loop.

分析表明，取样流体中的液相质量流量与主流体液相质量流量的比值主要取决于取样孔的数目和大小，而取样流体中的气相质量流量与主流体气相质量流量的比值则与主管路液相流量有关。

Oil and gas geochemical exploration is an effective method to search for CO2 gas reservoirs.

油气地球化学勘探是寻找CO2气藏的有效方法之一。

In this paper,taking the gas pipe network system as an example,the author analyzes the feature of geographical network,and gives the conceptual model of geographical network,deeply researches the establishment of the model of network data and the topology relation of gas pipe-network.

以城市燃气管网系统为例，在分析地理网络特征的基础上，提出了地理网络的概念模型，重点研究燃气管网数据模型和网络拓扑关系的构建。

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