本文可供城市燃气设计、施工人员参考。
This paper can be referred to designer and worker who work in civic gas industry.
对影响城市燃气爆炸极限的因素进行了讨论。
The factors affecting explosive limits of city gas are analysed in this paper.
气温是影响城市燃气短期负荷的重要因素之一。
Air temperature is one of the important factors which influence short-term city gas load.
天然气行业属于城市燃气行业，是典型的市政公用行业。
Natural gas industry belonging to city gas system is typical municipal public service.
城市燃气供应宜选择有经营资质和管理经验的燃气经营企业。
City gas supplying must select the business which have experience in managing and administer.
用于石油天然气及城市燃气、热、排水输送管道的补口防腐。
Used for protecting the natural gas and petroleum pipe from corrosion.
用于石油天然气及城市燃气、热、排水输送管道的补口防腐。
The technology is studied on steel pipeline surface by hot spraying with oxygen-natural gas.
文章论述了城市燃气互换性与燃具适应性的定义和两者之间的关系。
This paper discussed the definitions and relationship of gas interchangeability and flexibility of gas appliance.
总结了阜新市城市燃气转换的实践过程，讨论了煤层气利用的若干问题。
The practice process of Fuxin city gas conversion is summarized, and some problems for utilization of coalbed methane are discussed.
考虑近期我国燃气市场的需求，开发了城市燃气调峰负荷预测软件系统。
With view to the recent demand in gas market in China, a kind of software is designed for forecasting the peak-load gas regulation.
根据上海市天然气各阶段需求量的预测，作者分析了上海城市燃气的调峰。
This article, based on the demand of the Shanghai natural gas market, analyses town gas peak-shaving.
城市燃气负荷预测对于保证燃气企业的供气安全、优化调度等具有重要意义。
The urban gas load prediction has great significance for safe gas supply and optimized dispatching for gas enterprises.
首先分析了城市燃气管道信息系统的主要特点、功能、管线的空间数据特点等。
At first, the functions, features, data structure and data model of gas pipe information system in city are analyzed.
首先综合论述了天然气的储存方式、储存技术的现状以及城市燃气的调峰措施。
At first, the ways of natural gas storage, the situation of gas storage technology currently and the measures of gas peak adjusting were expounded synthetically.
其用户包括了城市燃气用户、工业用户、电厂用户和区域管网公司等类型的用户。
The consumers included fuel gas user in town, industrial user, electrical power user and pipeline network company in some areas etc.
天然气在能源消费中所占比重较低，主要用于化工、工业燃料、城市燃气及发电。
The natural gas accounts for low proportion of domestic energy consumption and is mostly used as industrial fuel and city gas and in chemical industry and power station.
二甲醚可替代LPG作为城市燃气，但管道输送压力不宜过高，供气范围不宜过大。
LPG can be replaced by DME as city gas, but pipeline transmission pressure shall not be too high, and gas supply range shall not be too wide.
消费结构逐渐由以化工为主的单一结构向城市燃气、工业燃料为主的多元结构转变；
The country′s natural gas consumer structure is shifting from a chemical-predominant structure to a multi-consumer structure, mainly consisting of urban and industrial gas consumers.
实例表明，一次累加法预测模型精度高，预测结果可靠，可用于城市燃气年负荷预测。
The practical example shows that the forecast model based on once accumulation method has high precision and reliable result, it can be used to forecast the annual city gas load.
基于天然气间歇转化制城市燃气对催化剂的特殊要求，开展了相应催化剂的研究制备工作。
Based on the special requirements towards catalyst for converting natural gas to city gas intermittently, the development of corresponding catalyst is conducted.
针对国内城市燃气供应的现状，分析了燃气经营的亏损原因，指出计量亏损乃是主导方面。
In accordance with the current status on urban fuel gas supply in our country the reason of losses in fuel gas business is analyzed and the major loss coming from metering is stated.
四氢噻吩是城市燃气的首选加臭剂，随着我国西气东输等工程的建设成功，其市场前景广阔。
Tetrahydrothiophene is the preferred Odorant in city gas. It is being used widely in market with the success of West-to-East gas Project.
本项目是以烟煤在连续炭化炉中热解的干馏煤气作为城市燃气，同时付产铁合金焦和粗焦油。
The project takes pyrogenic dry distillation gas of soft coal in continuous retort as the fuel gas and produces ferroalloy coke and crude tar oil.
液化天然气在天然气的远洋运输，边远气田气体的利用以及城市燃气调峰中起到了重要的作用。
Liquefied natural gas has important role in the ocean transportation of natural gas, use of natural gas in remote gas field and peak shaving of city fuel gas system peak shaving.
介绍了利用SCADA技术实现城市燃气管网监控、调度管理自动化的解决方案及系统主要功能。
The SCADA technique which is used in the solution of urban gas network's control and scheduling management automation and system main functions is introduced.
对国内的国有城市燃气公司及民营城市燃气公司的财务状况分别进行了一些简单分类和对比分析。
Had a simple sort and contrast analysis about financial of city gas company, including government-owned city gas company and non-government city gas company.
本文利用系统分析方法，提出了进行城市燃气系统气源结构、规模及能流优化配置的定量分析方法。
On use of system analysis method, the paper puts forward a quantitative analysis method to optimize gas resources constitution, capacity and energy flow for town gas system.
并结合实例，运用模糊评价方法对某市城市燃气安全管理状况进行综合评价，取得了较满意的结果。
The fuzzy evaluation method has been used to synthetically evaluate the state of some city gas safety management, and a relatively satisfactory result has been gotten.
在城市燃气多级管网系统中，存在一个调压室的最佳作用半径，这时管网系统的年计算费用为最小。
In urban gas network with multiple pressure ranges, there is an optimal effect radius, for which the annual calculating cost is minimal.
在城市燃气多级管网系统中，存在一个调压室的最佳作用半径，这时管网系统的年计算费用为最小。
In urban gas network with multiple pressure ranges, there is an optimal effect radius, for which the annual calculating cost is minimal.
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