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Absolute open flow is a important index of appraising oil/gas well production capacity,and often used in oil/gas well classification、proration and dimensionless parameters in other equations and so on,it denotes oil/gas productions under full openness of well bottom.

无阻流量是评价油气井生产能力的重要指标，也常用于油气井分类、配产和其它公式中参数的无因次化等，它表示井底在完全敞开的情况下油气井的产量。

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%。

Rare gas is an important constituent for indicating natural gas geochemical characteristics. Radiogenic argon (40Arr) is widely applied to isotope chronology and gas and source rock correlation.

稀有气体是天然气中指示其地球化学特征的重要组分，放射成因氩的年代积累效应广泛应用于同位素定年和天然气的气源对比。

The process from the ideal gas to the real gas is one in which the abstracted model in thinking becomes the gas in reality, but not a historical process of the object.

由理想气体到真实气体的过程，是一个从思维中抽象的模型到具体现实的过程，却不是对象的历史过程。

The function can be used to calculate gas volume produced from gas hydrate wells and to evaluate the recoverability of gas hydrate reservoirs.

该函数可以用于天然气水合物井气体开采量的计算及对水合物储层可开采性评价。

Haikou newspaper December 21 (Reporter correspondent Xiaojian Hou Chen Tao) 0:00 yesterday, the province on the gas-powered taxi, bus vehicles not levy a surcharge to use compressed natural gas vehicles from 3.9 therefore Yuan / cubic meter reduced to 3.2 yuan / cubic meter, per cubic meter of natural gas fell by 0.7 yuan.

本报海口12月21日讯(记者侯小健通讯员陈涛)昨日零时起，我省对以燃气为动力的出租车、公交车暂不征收车辆通行附加费，车用压缩天然气因此由原来的3.9元/立方米降低至3.2元/立方米，每立方米天然气降了0.7元。

In order to decrease the increasing of the air pollution from the landfill gas, improve the level of waste disposal harmless and make the landfill gas effective in the Beijing Liu Li Tun Refuse Landfill Site, after approval by Beijing Municipal Administration Commission and Government of Haidian District, Beijing Haidian Environmental Sanitation Service Center decide to build the Landfill Gas Control and Development Project of Beijing Haidian Liu Li Tun Refuse Landfill Site. The Project will be conducted through International Competitive Bidding.

为减少填埋场日渐增长的垃圾填埋气体对空间环境的污染，完善填埋场无害化处理垃圾的功能，进而实现资源化，北京市海淀区环境卫生服务中心经北京市市政管理委员会和海淀区政府同意，决定建设北京市海淀区六里屯垃圾卫生填埋场填埋气治理开发项目。

T3x gas reservoirs in XC gas field is the deep land-facies tight rubbishy rock gas reservoirs with the characteristic of tight, low permeability, thin inter-bed, multi-layer nappe and high heterogeneity.

XC气田T3x气藏属于深层陆相致密碎屑岩气藏，具有致密、低孔渗、薄层交互、多层叠置和强非均质性等特点。

An oil and natural gas law is the fundamental operation rule of the industry of oil and natural gas, and enacting the oil and natural gas law of China is of great significance in the new era.

《石油天然气法》是石油天然气行业的基本运营规则，新时期制定我国《石油天然气法》具有重要意义。

Moreover, online measurement system can be obtained after a fitting formula about water vapour saturated pressure in the gas pipeline at different temperatures is established by using the function chain neural network, which can greatly simplify the software of measurement of gas flux in the pipeline and quickly and truly realize measurement of gas flux in the pipeline in real time and on line in the design range of flowmeter.

在管道煤气计量系统测量中引入管道煤气相对湿度修正，并采用湿度传感器转换相对湿度信号，利用函数链神经网络对管道煤气工况温度下所对应的水蒸汽饱和压力进行拟合，得到基于函数链神经网络的管道煤气流量计量模型和在线计量系统，从而大大简化管道煤气流量计量软件，在流量计设计范围内实现管道煤气流量实时在线计量。

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