煤气供应

城市煤气供应系统优化调度

The optimal dispatch for urban gas supply systems

突然，新来的工人不小心切断了公司煤气供应的开关。

By accident , the new worker turned off the gas supply of the company .

在这个城市我们有很好的煤气供应。

We are well served with gas in this city .

修补漏洞时，煤气供应停止了四个小时。

Gas supplies were shut offfor four hours while the leak was repaired .

美国约有百分之三十三的动力是借天然气和煤气供应。

Natural and manufactured gas supplies more than 33 percent of the nation 's power .

如果你五天内还不支付的话，你的煤气供应将被停止。

If this bill is not paid within five days , your gas supply will be .

煤气供应不足，那里的市民不得不去很远的地方买煤气。

Gas being in short supply , citizens there had to go to far-away stations to get it .

2001年，人工煤气供应总量137亿立方米，比上年减少15亿立方米。

In 2001 , the supply of artificial coal gas is 13.7 billion m3 , 1.5 billion m3 less than the previous year .

本文提出城市煤气供应系统优化调度的两级算法，首先，根据分解-协调原理，提出求解中压分配系统优化调度问题的一种算法；

In this paper , algorithms of two levels for optimal dispatch for urban gas supply systems are proposed . First , based on the principle of decomposition-coordination , an algorithm for solving the optimal dispatch problem of mid-pressure distribution system is proposed ;

高额现金持有公司分布最多集中在市场竞争激烈程度高的制造业等，而市场竞争程度较低的采掘业，水电煤气生产供应业，交通运输及仓储业，选择高额现金持有的公司比例很低。

High cash holdings firms generally concentrate in high fierce-competitiveness manufacturing industry , but low fierce-competitiveness drilling industry , hydropower and gas industry , transportation and warehousing industry , the proportion of choosing high cash holdings is low .

该系统可实现煤气和自来水供应的自动抄表功能。

This system can be used in gas and water 's remote automatic meter-reading .

该系统通过硬件、软件相结合的方法，实现了煤气和自来水供应的自动抄表功能。

The system by way of combination of the hardware and software , can be used in gas and water 's remote automatic meter-reading .

本装置利用德士古水煤浆气化炉的生产能力，在保证城市煤气的足量供应的同时，采用低压法合成路线（5.0MPa）生产高质量的甲醇。

The title installation , utilizing Texaco aquatic coal paste gasifier 's productivity , while ensuring the full supply of city gas , high quality methanol has been produced with a low pressure ( 5 . 0 MPa ) synthetic route .

就损失的部门分布来看，化学工业以及电力蒸汽热水、煤气自来水生产供应比较特殊损失不同于其它部分损失。（4）灾害损失评估要考虑损失的绝对量和相对量。

Loss of sector distribution , chemical industry and electric power , steam and hot water , gas water production and supply special loss were different from the other part of the loss . ( 4 ) Disaster damage assessment considered both the loss of absolute and relative amount .

官员们说，在日本南部的主要岛屿九州岛，很多城市的电力、煤气和自来水的供应受到影响。

Officials say electrical power , gas and water services have been disrupted in many cities on Japan 's main southern island of Kyushu .

当他们在修理煤气管时，煤气供应将暂停。

The gas supply will be off while they repair the mains .