查询词典 gas-proof

With reference to the reservoir conditions, the oil and gas can be trapped not only in the anticline and fault block of the reservoir, but also in the lithologies that can form a great scale of oil and gas field. The study of the lithological oil and gas reservoir enables the seismic lithological theory and especially the AVO technique to take great progress

石油、天然气的储集条件说明：油气不仅能保存在储集层背斜、断块等一类正向圈闭中，也能在具备有储集条件的岩性体中聚集起来，并成为相当规模的油气田，对岩性油气藏的研究，使得地震岩性学特别是AVO技术得到了发展。

This invention discloses one lithium ion battery anode materials, which is made by following steps: a, mixing lithium salt, microcosmic salt and ferrous oxalate for grinding with mole proportion as one to one to one; after drying under nitrogen gas protection in 300-400DEG C for heating for five to eight hours; b, adding addictive agent into the mixture with weight proportion as3-10:1; c, bursting the mixture gas under inertia gas protection under temperature of 500-800DEG C for 10 to 24 hours; d, adding the product into crucible with active carbon 10 to 40 g and adjusting the microwave frequency into 140 to 700 W with control time as 1 to 14 minutes.

本发明公开了一种锂离子电池正极材料，由70-90wt％的LiFePO 4 和10-30wt％的碳组成，按照以下步骤制备：(1)将锂盐、磷盐和草酸亚铁混合球磨，所述锂、铁和磷元素的摩尔比为1∶1∶1，干燥后在氮气保护下300～400℃预热5～8小时；(2)在上述的混合物中加入添加剂，所述混合物与添加剂的重量比为3～10∶1；(3)将步骤(2)得到的混合物在惰性气体保护下，进行焙烧，焙烧温度为500～800℃，焙烧时间为10～24小时；(4)将焙烧后的产物压片，放入装有活性炭10～40g的坩锅，再将坩锅放入微波炉中，微波功率调至140～700W，控制时间为1～14分钟。

This paper designs one kind of mineshaft 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 mineshaft personnel leaves immediately.

本文针对目前情况设计一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。

Yancheng natural gas pools have the tendency of gas and water upsidedown,and are characterized by alternate low abnormal pressure and hydrostatic pressure,long well section and low gas production rate.

盐城凹陷天然气藏具有气水倒置趋势、低异常压力与静水柱压力交替出现、含气井段长且产气量低的特征。

The diamond film deposition experiments with hot cathode glow discharge PCVD shows that the cathode temperature has no apparent influence on deposition rate and film quality. With the increase of gas pressure, the gas density, electron temperature, gas dissociation rate in the plasma region change differently.

在热阴极辉光放电PCVD沉积金刚石膜中，适当的阴极温度是保证大电流、高气压辉光放电稳定工作的必要条件，它影响着辉光放电阴极位降区的放电性质，但对金刚石膜的沉积速率和膜品质基本没有影响。

On July 13, Gazprom, the Russian state-controlled gas company, and Total, the French oil and gas major, announced they had signed an agreement to co- operate in developing the Shtokman gas field in the Russian waters of the Barents Sea.

7月13日，俄罗斯政府控股的俄罗斯天然气工业股份公司与法国石油天然气巨头道达尔宣布，双方已签署了一项协议，合作开发位于巴伦支海俄罗斯海域内的什托克曼气田。

The application of gas turbine inlet air cooling based on Gas Turbine Power Plant has been investigated in this paper, then the conclusion that the gas turbine inlet air cooling technology is economical and raise the output of the unit .

本论文对燃气轮机进气冷却技术在燃机电站的实际应用进行了研究，得出了燃气轮实施进气冷却技术，能有效提高机组出力的结论。

According to the phase change law for wax deposition and dew point line curves, and the change of the saturation of condensate gas with phase properties, gas-liquid-solid was transformed with phase change, which would result in the change of distribution of fluid pressure and influence or alter the characteristic and the process of condensate gas percolation flow.

根据相的变化受析蜡线、露点线的相态变化规律控制，分析相变特性会导致储层内油气饱和度的变化，揭示蜡沉积在多孔介质表面引起孔隙性质改变和气、液、固在储集层中的微观空间分布会影响凝析气的流动特征。

In the laid in the most abominable landform Lange of the longest conduit straps duct of heart underground natural gas to, from a of Norwegian sea laid of tremendous natural gas cropland reachs England churchyard, 1/5 what offer its place to require natural gas for England.

在最恶劣地形中铺设最长管道兰格勒德地下天然气输送管道，从挪威海的一个巨大的天然气田铺设至英国境内，将为英国提供其所需天然气的五分之一。

During the marketing promotion process of Natural Gas Vehicles, the infrastructures, especially the refueling Station, are among the key problems. In this paper, some problems that may cast adverse influence on the proper work of the refueling station, including natural gas pretreatment, gas dischargeing during refueling interval, and the Joule-Thomson effect of the high-pressure charging will be discussed and countermeasures will be provided.

在天然气汽车的市场推广过程中，以加气站为主的基础设施的建设是关系到天然气汽车发展的关键环节之一文章讨论了一些会对天然气加气站的运行造成影响的问题，包括天然气的预处理问题、充气系统气间歇问题以及高压充气时可能出现的不良节流效应和它们的处理方法。

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。