查询词典 gas-mask

On the basis of accurately calculating the parameters of formation water,the effects of these parameters on the effective porosities of rocks and the parameters of identifying gas reservoirs are emphatically analyzed.It is pointed out that in the strata containing salt-water,if the parameter values of pure water are used,the calculated effective porosities of the rocks and the calculated parameter values of identifying gas reservoir will be all reduced,which exerts a serious influence on the log recognition of gas reservoirs.

在准确计算地层水参数的基础上，着重分析这些参数对地层岩石有效孔隙度和气藏判识参数的影响，指出在含盐水的地层中，如果采用淡水参数值，其结果是使计算的岩石有效孔隙度和气藏识别参数值降低，严重地影响了气藏的测井识别。

It is shown that the mechanism of directly releasing mantle gas from the magma chambers by taking the faults as the paths controls mantle-derived CO2 reservoir formation,gas source supplement and the geochemical characteristics of the gas,providing further evidence for the mantle genesis of the CO2 reservoirs at the same time.

这表明，幔源气体以断裂为通道自岩浆房中直接释放的机制对于含油气盆地中幔源CO2气藏的形成、气源的补给和气体地球化学特征的塑造起着控制作用，同时也为CO2气藏的幔源成因提供了进一步的证据。

TRZ series elastic sealing gas valve TRZ series elastic sealing gas valve is different from a gas valve plate special valve.

TRZ系列弹性密封燃气闸阀 TRZ系列弹性密封燃气闸阀是区别于平板闸阀的一种燃气专用阀门。

The relationship between gas (NH_3) absorption efficiency and gas velocity through tray's hole as well as liquid flow intensive is explorated, and a mathematical model for calculating gas Murphree plate efficiency of HVGT is derived.

本文以高负荷导向垂直栅板塔板流体力学研究为基础，对该塔板的传质性能进行了研究，探讨了塔板气相氨吸收效率与板孔气速和液流强度的关系，推导出了HVGT气相Murphree板效率数学模型。

With the domestic long-distance natural gas pipeline ring network built and put into use,urban gas source of the problem has been eased,and urban gas pipeline construction has also entered a golden period.

随着国内天然气长输管道环状管网的建成并投入使用，城市气源问题得到了部分缓解，城市燃气管道也相继进入了建设黄金期。

Water locking damage happens widely in tight sand gas reservoirs with low permeability, and is one of the main damage types for tight sand gas reservoirs with low permeability, which influences the results of oil/gas reservoir exploration and exploitation severely.

水锁损害广泛存在于低渗透致密砂岩油气藏，是低渗透致密砂岩油气藏的主要损害类型之一，这严重地影响着油气藏的勘探开发效果。

Designs one kind of mine shaft portable gas detector in view of the present situation, when the gas gas density approaches the dangerous value, automatically sends out reports to the police, the reminder mine shaft personnel leaves immediately.

针对目前情况设计1种井下便携式瓦斯探测器，当瓦斯气体浓度接近危险值时，自动发出报警，提醒井下人员立刻离开。

In the beginning of the study, the related data of LNG's cold energy and recycle system for shaft seal gas were collected, then those were applied to the software for simulated process to calculate the related parameters of LNG's cold energy. Acquired parameters can be used to establish a simulated process system for recycling shaft seal gas, and the sequential, influential factors and results between LNG's cold energy and recycle system for shaft seal gas can be discussed immediately.

研究初期收集LNG能与轴封气回收热交换器主要操作相关据，应用制程模拟软体计算LNG能相关据，建轴封气回收热交换器系统之制程模拟系统，随即探讨LNG能与轴封气回收系统之一影响相关因素与结果。

This paper discussed the basic character of optical fiber gas sensor, and introduced several methods of absorptive spectrum optical fiber gas sensor., and described the principles of the methods in detail, and analyzed the factors of affecting precise of absorptive spectrum optical fiber gas sensor.

简述了光纤气体传感器的基本特性，介绍了几种光谱吸收光纤气体传感的方法，详细阐述了各种传感方法的原理，分析了影响光谱吸收光纤气体传感精度的因素。

Although natural gas is currently the fuel of choice, particularly for new electric power plants, the US has not encouraged the construction of a pipeline to tap the vast gas resources located in Alaska, nor has it facilitated the construction of new liquefied natural gas facilities.

尽管现在天然气是燃料的首选，特别是对新的发电厂，但美国并不鼓励为了开发阿拉斯加丰富的天然气资源专门铺设一条管道，也不支持建造新的液化天然气设备。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。