Nevertheless, the country is a net importer of natural gas and oil products. 但阿根廷却是天然气和石油产品的净进口国。
China became a net gas importer in 2007 and import dependency reached 32 per cent last year. 2007年中国成为了天然气净进口国,去年中国对进口天然气的依存度达到32%。
But as one of only two net exporters of oil and gas in Asia, its terms of trade should benefit. 但作为亚洲仅有的两个油气净出口国之一,马来西亚的贸易条件应该会受益。
Google co-founder and chief executive Larry Page wants Google's operations to eventually produce no net greenhouse gas emissions. 谷歌的创始人和总裁LP希望谷歌的太阳能计划最终不会造成任何温室气体排放。
Three years ago, the US energy department was forecasting the US would become a big net gas importer. 3年前,美国能源部预测,美国将成为天然气净进口大国。
Research and Application of Flexible Workflow Technology in Net Gas Meter System 柔性工作流技术在网络燃气表系统中的应用研究
The situation for natural gas is slightly better, with the EIA predicting the US will become a net natural gas exporter by 2021. 天然气的形势略好一些,美国能源情报署预测,美国将在2021年成为天然气净出口国。
Then in2010, Nedbank became the first African bank to reach carbon neutrality, or zero net greenhouse gas emissions. 随后在2010年,南非莱利银行成为首家达到碳中和或称净温室气体零排放的非洲银行。
The practice has shown that the dust content in net gas remain in 1.2~ 3.3mg/ m~ 3 and the net gas has good quality, the power consumption can reduced by 4.49 million kW. 应用实践表明,净煤气含尘量保持在1.23.3mg/m3且质量好,单座高炉年可降低电耗449万kW。
In order to easily diagnose net gas zone, oil-water or gas-water same layer and water layer, the paper provides a new hydrocarbon interpretation and evaluation method C_2/ C_3 hydrocarbon ratio technique, introduces the interpretation and evaluation criterion of this technique. 针对气测录井常用的解释评价方法存在的纯气层、油水或气水同层、水层难以识别的不足,该文提出了一种新的油气层解释评价方法C2/C3烃比值法。
NET and the storing process for gas fee calculation was detailed. NET在本系统中的应用和煤气费计算的存储过程。
But how to predict and calculate net gas and condensate oil recoverable reserve, there is no practical and convenient method so far in home. 但如何预测和计算凝析气藏中的干气和凝析油可采储量,目前国内尚没有较为全面、实用、便捷的测算方法。
Utilizing a theory of artificial nerve net and BP net to predict and judge oil gas pipeline and equipment can avoid the problem of finding various factors regularly effecting on their corrosion and predict and judge corrosion statue on each oil gas pipeline and equipment. 利用人工神经网络理论,采用BP网络对油气管道及设备进行评判和预测,避开了寻找各种因素对其腐蚀性影响规律的难题,准确地预测和判断油气管道及设备腐蚀情况。
Both the ethephon treatment and ethephon plus gibberellin treatment increased the net photosynthetic rate, the gas conductance and the transpiration efficiency. The latter was more effective. ET处理及ET+GA处理均提高了两品种光合速率、气孔导度和蒸腾速率,后者效果更好。
According to the characteristics of the oil and gas production and consumption in the world, three types of countries are divided, i.e. oil and gas net export countries, oil and gas net import countries, oil and gas production and import great countries. 根据各国石油天然气生产和消费特征,将世界各国划分为3大类型:油气净出口国、油气净进口国、油气生产与进口大国。
The net gas produced from the coking process can be made fuel and also make the material of producing hydrogen equipment. 它生产出来的干气可以作为燃料也可以作制氢装置的原料;
This paper introduces the application of the microcomputer to production adjustment and pressure control in the pipe-net of gas. 本文介绍微机在煤气生产调度及管网压力控制方面的应用。
In the recent years, as the only net oil gas exporter in the world, Russia has continuously put forward its energy diplomacy strategy, while the neighboring China is implementing internationalization strategy for oil supply security as the world second largest oil consuming country. 近年来,俄罗斯作为唯一油气净出口的世界性大国,不断推进能源外交战略;中国作为与之比邻而居的世界第二大石油消费国,却正在实施石油供应安全的国际化战略。
The Application Of Computer Neural Net Technique In Distinguishing Oil& Gas Reservoir In Comprehensive Logging 计算机神经网络技术在综合录井油气层判别中的应用
The natural gas migration and accumulation process could be classified into high, medium and low effectiveness according to its net velocity of natural gas accumulation. 根据净聚集速率的高低,可将天然气成藏过程的有效性划分为高效、中效和低效3个级别。
In production forecast, good well for hyperbola forecast result is water-bearing gas well, good well for exponential forecast result is net gas well. The forecast result has positive act on productivity forecast in Sichuan gas field. 在产气量预测中,双曲线预测结果好的井几乎为气水同产井,指数式预测结果好的井几乎为纯气井,这将为四川气田气井以后的产能预测工作起到积极的指导作用。
Then according to the characteristic of the gas ( oil) in examine stage, we set up a linear partial differential equation model which describes the single-leak in the pipeline net of gas ( oil) for the first time. 根据试气(油)阶段油气运行的特点,首次建立了描述输配气(油)管网试气(油)阶段单点漏失的线性偏微分方程模型。
The Neural Net Interpretation Model For Oil Gas And Water Beds In Clastic Reservior 碎屑岩油气水层神经网络解释模型
Cross boreholes are abstracted to borehole net, the existed theories and calculating methods on ventilation network are borrowed and used to study drainage problem of boreholes in borehole net, and borehole net gas drainage theory of cross boreholes is established. 把交叉钻孔抽象为孔网,借鉴和利用通风网络已有的理论和计算方法来研究孔网钻孔抽放问题,建立了交叉钻孔的孔网瓦斯抽放理论。
For this reason, we discuss following questions on this base: From the sequential equation, move equation, and condition equation we give a unlinear partial differential equation group which describe the move of the gas in pipeline net of gas ( oil). 由连续性方程、运动方程、状态方程出发给出了描述输配气(油)管网中天然气(油)运行的非线性偏微分方程组。
Application of Net Calorific Value Gas Power Generation in Electric Generating Project of Jigang 低热值煤气燃气发电在济钢发电工程中的应用
Net photosynthetic rate and other gas exchange indicators showed significant differences between 8:00-16:00 under different treatments. 不同处理间净光合速率及其它气体交换指标的差异主要表现在8:00-16:00之间。
Continuous increase of energy demand will result in raising the net oil& gas import dependency in China and underpin the coal-dominated energy structure of China in a long period. 随着能源需求持续增长,我国天然气和石油的净进口依赖性将大幅上升。
Use the classification prediction model based on structural neural net to forecast the trend of gas concentration. And use the combined prediction model of GM ( 1,1) and structural neural net to forecast the value of the gas concentration. 分别使用构造性神经网络分类预测模型对瓦斯浓度的变化趋势进行预测,GM(1,1)与构造性神经网络混合模型完成对瓦斯数值的预测。