查询词典 gas-electric

3The variables that described changing of gas in the room of gas operatedand moving law of piston are thought random.The numerical value answer aboutrandom differential equation is given.

3考虑描述自动机气筒压力变化规律和活塞运动规律的控制方程中各变量的随机扰动，提出了求解随机微分方程组的数值解法。

Article 2The exploitation activity of oil and gas includes the stages of obtainment of rights and interests of mining areas, as well as exploration, development and production of oil and gas.

第二条油气开采活动包括矿区权益的取得以及油气的勘探、开发和生产等阶段。

As the preferentially recommended odorant of the new generation, THT took the place of ethanethiol as the odorant for nature gas by Beijing Natural Gas company in 1996. Due to the relatively short history and low production level of THT in China, little research has been done on it.

四氢噻吩作为在国际上被推荐首选使用的新一代燃气加臭剂，北京市天然气公司于1996年将天然气中的加臭剂由乙硫醇改为四氢噻吩，但中国由于采用四氢噻吩的时间比较晚，且因为四氢噻吩的生产在国内比较少，所以针对四氢噻吩的研究比较缺乏。

The technology of controlling and treating odorous waste gas was risen up gradually as odorous gas became one of the gravest environment pollution.

随着恶臭气体污染成为环境污染的重大问题，对恶臭气体的控制和治理逐渐兴起。

SNB series now has a total of four broad categories of over 100 varieties of oil, gas, coal and oil and gas joint burner.

目前拥有SNB系列四大类共一百多个品种的燃油、燃气、油气联合及燃煤燃烧器。

Wide oceans contain abundant resources. With increasing worldwide demand for oil and gas, exploitation of ocean oil and gas switch to deep water and ultra-deep water fields with water depth of 450~1500 meters and more than 1500 meters respectively.

辽阔的海洋蕴藏着丰富的资源，随着世界油气需求的增加，海底油气的开采向水深450~1500米的深水域和水深1500米以上的超深水域发展。

T Boone Pickens , the 81-year-old oilman who has become a spokesman for the natural-gas industry, told the US congress in October that the United States has more natural gas than all the oil in Saudi Arabia.

他10月份的时候告诉美国国会，美国的天然气储量比沙特阿拉伯的全部石油还多。

If your city uses natural gas, whenever you turn on a gas burner, you open a pipe whose other end may go down into the ground a thousand miles or more away.

如果你们的城市使用天然气，每当你打开开关，你打开的那条管道的另一端可能埋在一千英里开外的地下。

Papers further study of the work area and tectonic evolution of the relationship between oil and gas accumulation, Ordovician oil and gas exploration in the Tarim Basin is the main purpose of layers.

论文进一步研究了工区构造演化与油气聚集的关系，奥陶系是塔里木盆地油气勘探的主要目的层。

Gas Production Engineering Research Institute,Southwest China Oil Gas field Company,Guanghan 618300,China）Abstract: Basic principle of time of flight diffraction method was described. Two scan modes D scan and B scan were discussed and the phase characteristic of oscillogram and grey-scale map was also studied. Formula to calculate the location and size of defects was given. The image analysis was carried on three typical defects on standard blocks.

摘 要：描述了超声波衍射时差法的基本原理，讨论了平行扫查和非平行扫查两种扫查方式，研究了波形图和灰度图两种缺陷图谱的相位特征，推导了缺陷精确定位定量的计算公式，并通过标准试块试验对三种典型缺陷进行了图谱分析。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。