查询词典 liquefied petroleum gas

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。

Under the condition that coking process and ratio of coal,rank of coal were in a relative stable condition,qualitative analysis was done to the relationship among ammonia yield and residual ammonia exhausted gas entering into saturator or not,gas desulfurization unit location,the primary cooling way,blending moisture,gas collection temperature and so on,the various factors affecting degree to the yield of ammonia were concluded,in order to organize production scientifically and rationally,and provide a reference to the same industry to solve the problem of the ammonia output fluctuation.

通过对焦化厂硫铵工序的长期跟踪研究，明确了造成硫铵产率波动的主要因素，在焦化流程和配煤比、煤种相对稳定的情况下，对硫铵产率与剩余氨水蒸氨尾气是否进入饱和器、煤气脱硫装置位置、煤气初冷方式、配煤水分、煤气集合温度等因素之间的关系进行了定性分析，得出了以上各种因素对硫铵产率的影响程度的结论，以便科学合理地安排硫铵的生产计划，并为同行业解决硫铵产量波动的问题提供参考。

This paper describes an upwards construction method using the columns of a gas holder to sectionally assemble side plates of a 2×104 m3 gas holder in aspects of installation sequence and main steps, benchmark and geometric dimension measurement, major component construction and gas holder adjustment techniques.

实践证明，该施工方法与以往利用脚手架的施工方法相比，节约施工费用约10万元，提前工期2个多月。

Wear resistance, good corrosion resistance, high-tech nano-ceramic materials sealed deputy, ten thousand times does not wear headstock applied to a variety of media: liquid, semiliquid, paste liquid, air, flue gas, gas, combustible gas, solid powder, grain materials containing many impurities in the two-phase body easily precipitate, easily scaling to cut off other special media, regulation and transmission control.

耐磨、耐腐蚀性能好：高科技纳米陶瓷材料密封副，启闭一万次也不磨损，适用于多种介质：液体、半流体、浆状液、空气、烟气、煤气、可燃气体，固体粉料，晶粒料及含杂质多的两相流体易沉淀、易结垢等特种介质的切断、调节及输送控制。

On this basis, according to historical data, apply ANN and differential simulation method to get the quantitatively correlative relations between each production and its own influence factors, and introduce the new methods of prediction for dynamic indexes with gas-field development (The combinatorial prediction method based on fuzzy comprehensive evaluation, the method of ANN to select optimally combinatorial prediction models and the ANN prediction method based on genetic algorithm).(2) Base on mathematical programming, combine with quantitative economics and techno-economics, introduce economical indexes to establish production"s distribution optimal model, production"s constitution optimal model and measured production"s constitution optimal model, including multi-objective models and five-years models. Upon this, the optimal project for all gas field and each gas-collected factory can be got. Also, introduce the time value of capitals to improve on these models.(3) Base on the optimal solution theory and algorithm theory for the nonlinear programming problem, introduce the SUMT algorithm and genetic algorithm to study how to solve the models, and on the basis of normal genetic algorithm, make use of auto-adaptively modulating method to improve on normal genetic algorithm; Base on algorithm"s convergence theory and calculation"s complexity theory to analyze seriatim SUMT algorithm"s convergence and genetic algorithms convergence, and compare performance with each other.

在此基础上，利用神经网络方法和微分模拟方法根据历史数据得到各分项产量与其影响因素之间的定量关联关系，并引入气田开发动态指标新的预测方法(基于模糊综合评判的组合预测方法、神经网络优选组合预测模型预测方法以及基于遗传优化的神经网络预测方法)；(2)以数学规划为基础，结合数量经济学和技术经济学，引入经济指标建立产量分配优化模型、产量构成优化模型、措施产量构成优化模型、气田开发多目标规划模型以及五年规划模型，进而获得全气田及各采气厂的最优方案，并引入资金时间价值对五年规划模型进行改进；(3)以非线性规划问题的最优解及算法理论为基础，引入SUMT算法以及遗传算法对模型的求解进行研究，并在原有的遗传算法基础上，引入自适应调整方法对遗传算法进行改进；以算法的收敛性理论和计算复杂性理论为基础，逐一分析SUMT算法以及遗传算法的收敛性，并比较三种算法的优劣性。

However, the liquid water exists on the inner wall and the pipeline sinkage before the line comes on stream will have a humidification function to the natural gas, because of which the dew point temperature of natural gas can not meet the requirement of gas transmission at the early stage of the pipeline commissioning.

但输气管道投产前存在于管道内壁和管道低洼处的液态水对天然气有增湿作用，导致天然气露点在输气管道投产初期不能满足管输要求。

Their results were compared with the values of ring gas sparger. Both KLα and Eo2 of two micro-orifice spargers were higher than those of ring gas sparger. The new gas spargers had superior mass transfer and mixing performance. It is beneficial to increasing oxygen concentration in non-Newtonian fluid.

结果表明：在相同条件下，微孔型气体分布器条件下所得KLα和Eo2均高于环状气体分布器的对应值，可以取得较好的传质混合效果，有利于提高非牛顿流体中的溶氧水平。

The effects of impeller types, baffles, gas sparger, rotational speed, gas volumetric flow rate and particle fraction on mixing time were systematically investigated in three-phase gas-liquid- floating particle systems by measuring the temperature difference using thermocouples.

在釜径386mm的搅拌釜内，采用热电偶温差法考察了搅拌桨型、挡板、气体分布器等结构因素和转速、气量、颗粒分率等操作因素对自浮颗粒三相搅拌混合的液相混合时间的影响。

I factory is specializing in the production of gas spring products manufacturers, has a group of professional and technical production and development of new product team; and has inflatable multi-function machines, automatic TIG welding machine, micro-pneumatic control of the welding machine, micro-control number of significant gas spring testing machine, micro-manage a number of significant gas spring gun machines, electronic universal testing machine, such as specialized production equipment, advanced testing equipment and products.

我厂是专业生产气弹簧系列产品的厂家，拥有一批专业技术生产和研发新产品的队伍；并拥有多功能充气机、自动氩弧焊焊接机、微控气动对焊机、微控数显气弹簧试验机、微控数显气弹簧测速机、电子式万能材料试验机等先进的专业化生产设备和产品检测设备。

Putt your way through 36 fun-filled holes of minigolf on 3D designed courses with elevated greens, bunkers, bridges and water hazards, among other crazy obstacles.

您的推杆方式，通过36个有趣的填孔迷你的三维设计的课程，以提升绿党，掩体，桥梁和水的危害，除其他疯狂的障碍。

Some participles can be used either as attributes or as predicatives.

有些分词既可当定语用，也可当表语用。