查询词典 out gas

Firstly, this paper researched the mechanism of tubing string vibration when natural gas flows in horizontal well tubing string. Secondly, established whole tubing string undamped and damped vibration system model according as reasonable assumption data of one horizontal well. Apply finite element analysis software to calculate tubing string natural characters, simple harmonic dynamic behavior of stable gas production and nonlinear dynamic behavior. Finally, this paper carried out the safety varied frequency of gas well and the method of vibration reduction.

本文首先从理论和数值模拟研究了天然气在水平井油管柱内的流动诱发油管柱振动的机理，然后在合理假设的基础上结合某水平井数据建立了全井段油管柱无阻尼和有阻尼振动系统模型，利用有限元软件计算分析了油管柱固有特性、稳产简谐动力学响应和非线性动力学响应，针对油管柱振动规律提出了天然气安全调节频率范围和减振措施。

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。

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。

Thereafter, some research work about the effect of additive percentage of pH value buffer solution and oxygen concentration in flue gas on this system of flue gas desulfurization with pyrolusite pulp in a single JBR was carried out, and it was illustrated that the optimized additive percentage of pH value buffer was 30% and 10% when oxygen concentration in flue gas is 21% and 7% respectively.

针对这一问题，通过实验在JBR反应器中考察了pH值缓冲剂添加比例和烟气氧含量对软锰矿浆烟气脱硫体系的影响，确定烟气氧含量为21%时pH值缓冲剂的最佳添加比例为30%，烟气氧含量为7%时pH缓冲剂的最佳添加比例为10%。

China Branch Shenwei developed out of the latest generation of HK series of plant gas furnace, by the barrel, purification equipment, pipes, stove and other components, plant fuel through the system of gas furnace, in a confined hypoxic conditions, the use of pyrolysis pyrolytic chemical oxidation reaction to produce a combustible gas, in support of nitrogen and oxygen the burning of the combustion to achieve the desired effect.

武汉华科神威科技发展有限公司研制开发出的最新一代HK系列植物燃气炉，由料筒、净化装置、管道、灶头等部分组成，植物燃料通过制气炉，在密闭缺氧的条件下，采用干馏热解化学氧化反应后产生一种可燃性气体，在氮气的支持和氧气的助燃达到理想的燃烧效果。

A straight inlet baghouse which can effectively reduce energy consumption of equipment in operation and lengthen the service life of fabric bags, as well as gas flow structure in the tank body have been presented, and numerically simulating the gas flow distribution in the tank body being carried out by using calculated flow dynamics method, providing a method and parameters for adjusting the gas distributing plates structure to realize reasonable flow rate distribution in the tank body.

摘要介绍了能有效降低设备运行能耗、提高滤袋寿命的直通式袋式除尘器及其箱体气体流通结构，并利用CFD方法对箱体流量分配和气流分布进行数值模拟，给出了实现箱体流量合理分配的气流分布板结构调整方法和参数。

Detector the gas strength which examines the sensor transforms the electrical signal, passes commits a footfault the cable to transmit the controller, the gas strength is higher, the electrical signal is stronger, when the gas strength achieves or surpasses the alarm point which the warning controller establishes, the alarm apparatus send out the alarm, and may start the solenoid valve, the exhaust fan substandard association equipment, removes the hidden danger automatically.

探测器将传感器检测到的浓度转换成电信号，通过线缆传输到控制器，浓度越高，电信号越强，当浓度达到或超过报警控制器设置的报警点时，报警器发出报警信号，并可启动电磁阀、排气扇等外联设备，自动排除隐患。

Chapter 4 of this dissertation has carried out a physical simulation study about the processes of formation and laws of evolution of the fan delta in Baimiao gas field. Based on the results of the study about the geological background in this area, this paper has discussed about the sedimentation facies marks for the fan delta in Baimiao gas field, worked out a detailed proposal about the development of physical simulation experiment about the fan delta, and described in detail the general laws and major controlling factors governing the sedimentation processes of the fan delta. A detailed measurement was made about the experimental results, and a systematic comparison was made relative to the prototypic characteristics. Based on the observation and description about the experimental processes and the analyses about the experimental results, this paper has give

在本章中，指出了数值模拟研究的基本特点，给出了扇三角洲形成过程的基本控制方程和数学解法：在此基础上设计和开发了扇三角洲形回成过程的平面二维数值模拟软件，并对计算过程中所遇到的主要问题一计算速度较慢开展研究，对比了以天、旬、月为时间单元进行汁算对沉积结果的影响，研究认为，在流量无突变的情况下，可以适当增长计算的时间步长和适当放松精度要求；根据白庙气田扇三角洲的基本地质特征设计了数值模拟计算的基本条件，以月为单位，计算了扇三角洲四百年的形成过程及演化规律，并以50年为单位输出沉积结果；本章最后还对数值模拟方法及结果进行了讨论。

The carbon dioxide fire extinguishing system is able to put gas fire out after the gas supply source is cut, and it is also able to put out liquid fire, solid fire of fusible materials such as paraffin and asphalt, solid surface fire, deep-seated solid fire such as wincey, fabric, and paper, and electric fire, etc.

二氧化碳灭火系统可扑救灭火前可切断气源的气体火灾，液体火灾或石蜡、沥青等可熔化固体的火灾，固体表面火灾及棉毛、织物、纸张等固体深位火灾，电气火灾等。

Mini-hole heat dissipation flame-out device ensures flame out. In tempering process gas check valve instantly cuts off gas supply i

产品名称：焊割炬用气体回火防止器，微孔散热型火焰熄灭装置确保火焰熄灭气体单向阀在回火过程自动将气体源瞬间切断具有自动复位功能可直接连接作业连接在割炬的进气口上使用。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。