查询词典 gas-proof

The forward finite difference and Newton iterance are used in the light of box model and other heavy gas dispersion models, such as IIT Heavy Gas Models and virtual point source model, to solve the differential equations of controlling heavy gas cl.

文中从控制重气云团扩散行为的微分方程入手，根据箱模型及其他一些重气扩散模型，如IITHeavyGasModels模型和虚点源模型，采用向前插分和牛顿迭代的方法，针对ThorneyIslandTrialNo 。0 0 8试验进行了数值模拟，得到了重气云团外形尺寸和空气卷吸量随时间的变化关系以及下风向固定点处地面最大浓度值。

Jabiru Metals's Jaguar copper-zinc mine has been able to revert to 100% gas power generation through alternative gas supplies from 1st July to 30th September 2008. During June only 80% of normal gas supply was received at Jaguar, although full generating capacity was achieved by using diesel.

Jabiru Metals公司旗下Jaguar铜锌矿恢复了100％的天然气发电，因其在2008年7月1日至9月30日期间获得了额外的天然气供应。6月份，Jaguar铜锌矿的天然气供应仅为正常情况下的80％，尽管通过使用柴油其发电能力得到全面利用。

Blister gas (yperite/mustard gas, lewisite, etc.): Mustard or geranium-like odor. Colorless in gas form, reddish-brown in liquid form.

糜烂气体：气味：芥末味或天竺葵味，颜色：气体状态无色，液体状态呈红棕色。

In chemical plant,liquefacient ammonia leaking from refrigeration equipment usually disperse in the air and become dense gas at the beginning.With the air coming into the gas,it will be increasingly close to the air density and become non-dense gas.

化工厂制冷装置发生液氨泄漏，泄漏后形成毒气云团在空气中扩散，初期多形成重气云团，在扩散过程中随着空气的不断卷吸，重气云的密度会越来越接近空气，从而转变为非重气云团。

It must have been a gas that could burn but that would not e XP lode, a gas that did not smell strong, and a gas that did not kill people.

这准是一种能够燃烧但不会爆炸的气体，一种气味不大又不伤人的气体。

This paper describes in brief the lithologic profiles and the geophysical logging curves of the low resistivity oil and gas layers in Tabei area, analyzes the origin of the low resistivity oil and gas reservoirs in that area, and deals emphatically with the principle of applying the neural network to recognizing oil and gas layers, oil-water layers, water layers and dry layers.

简要介绍了塔北低阻油气层岩性剖面、低阻油气层地球物理测井曲线特征，分析了塔北地区低阻油气储层成因，重点论述BP人工神经网络识别油气层、油水同层、水层和干层的方法原理。

Gas is the coal"s accompany sources, it belongs cannot regenerate lustration energy sources, so increasing gas"s take out effect, and increasing using rate of gas, that is important task to improve the produce safe status and empolder undefiled energy sources.

瓦斯是煤炭的伴生资源，同时又属于不可再生的洁净能源，因此，提高瓦斯抽集效果，增加瓦斯能源利用比率，是改善煤矿安全生产状况和开发绿色能源的重要课题。

Underground natural gas storage, one kind of measures to improve malconformation of gas consumption, has most importance on gas exploitation and usage.

天然气地下储气库作为调节天然气消费不均衡性的最有效途径之一，在天然气的开发和利用过程中有着举足轻重的作用。

In every group, rabbits were subdivided into experimental and control subgroups. 2 Rabbits were bullets injected followed by continuous injected with 13C labeled leucine, glucose, and lactic acid; 3 Blood were drewed before and 150, 160, 170, and 180 min after the initiation of isotopes injection for material analysis; 4 Exhale gas were collected every 5 min in the first 30 min followed by every 30 min there after for material analysis; 5 After centrifuge in low temp the supernatant of the blood samples were collected and went through axon and anon exchange column treatment; 6 Treated blood sample was used for 13C labeled leucine, glucose lactic acid examination through mass spectrograph; 7 The exhale gas was collected for 13CO2 exam through gas-phase mass spectrograph; 8 CO2 total production rate (V13CO2), body various substances production, oxidation speed, and substances metabolic percentage all can be calculated through equations provided by references below; 9 Data was processed through student t test.

分亮氨酸、葡萄糖和乳酸三组各取健康新西兰兔16只，每组再分为高代谢脓毒症组和对照组两部分，建模方法同第一部分；2）三组分别先静脉弹丸式推注再持续灌注13C标记的亮氨酸、葡萄糖和乳酸；3）灌注前抽取动脉血作为背景值，灌注达150，160，170和180min分别抽取动脉血2ml用于质谱分析；4）实验开始后前30min中每5min收集呼出气一次，随后每30min收集呼出气一次，用于气相质谱分析；5）血样经过低温离心取上清液，过阳离子及阴离子交换树脂，再经衍生化处理；6）处理过的血样进入气相色谱－质谱仪，测量其13C标记的亮氨酸、葡萄糖和乳酸丰度；7）实验兔的呼出气通过13CO2气相质谱分析仪测定其中的13CO2丰度（E13CO2）；8）利用文献提供的公式算出CO2总生成率（V13CO2）以及机体各物质的通量、氧化速率以及物质代谢百分比等；9）数据分析处理采用t检验。

On thebasis of the relationship between the diffusion coefficients and the mean free path of gas molecules, it is foundthat the macro-parameters of gas diffusion is determined all by the micro-parameters of gas molecules.

分析了前人测定的不同压力下瓦斯在煤体中的扩散系数与分子平均自由程之间的关系，表明孔隙气体在煤微孔隙中扩散的宏观参数从根本上来看是由于分子微观参数的改变引起的。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。