Application of a neural network optimization combinatorial prediction model to oil-gas yield forecasting;
神经网络优化组合预测模型在油气产量预测中的应用
The results showed that 10% of solids concentration was superior to others and 6% of solids concentration was the minimum on total biogas production, biogas production velocity and COD removal.
在牛粪厌氧消化中,物料浓度影响厌氧消化的产气量和产气速度。
The results showed that the biogas production with straws pretreated by the agent was 29.
结果表明,秸秆经菌剂预处理后的产气量比不加菌剂预处理(对照)提高29。
5%NaOH solution,the biogas production of the later is 34% more than the former.
5%NaOH组产气量增加34%。
Temperature fluctuation affected average biogas yield significantly,and biogas couldn't be produced until the room temperature reached 18℃,so a conclusion was achieved that fermentation process could carried on success.
发酵温度的变化对日产气量有显著的影响,18℃以上方能产气,稳定、较高的温度有利于发酵的顺利进行。
Effect of solid-liquid separation on biogas yield in anaerobic fermentation of pig dung wastewater was experimented under the constant temperature of 30℃.
结果表明:混合发酵的沼气产量是固液分离后液体发酵的产气量的4倍。
Investigation on the effect of temperature and chemical pretreatment on anaerobic digestion efficiency and biogas yield of corn stalk was conducted.
提出通过中温消化和化学预处理相结合的方法提高玉米秸的厌氧消化产气量。
Note: Output of natural gas since2003 excludes that of gas mining areas in Sichuan.
注：从2003年起天然气产量不包括四川省境内气矿的产量。
Optimum Combination Forecast of the Yield of Natural Gas Based on the Fuzzy Comprehensive Evaluation;
基于模糊综合评判的天然气产量最优组合预测
PRODUCTION PREDICTION AND MULTI-SUPPLY OF NATURAL GAS IN CHINA;
中国天然气产量发展趋势与多元化供应分析
Seasonal Forecasts of Natural Gas Production Compared with the Choice of Model
天然气产量季节预测模型的比较与选择
China's Natural Gas Production Forecast and Analysis Based on Combination Model
我国天然气产量的优化组合预测与分析
Energy officials say the storm has cut oil production by ninety percent and natural gas production by almost eighty percent.
能源部官员表示，飓风削减了90%油产量和近80%天然气产量。
With an offshore oil and natural gas industry in place, in 1997 China's offshore oil output exceeded 16.29 million tons, and its natural gas output stood at four billion cu m.
1997年，中国海洋石油产量超过1629万吨，天然气产量为40亿立方米。
The Effect of Climate Factors on the Grass Yield of Natural Pasture
气候因子对天然草地牧草产量的影响
Brief introduction to Russian natural gas metering and gauging guarantee system
俄罗斯天然气产品测量、计量保障体系简介
Reasons for Measurement Errors on Natural Gas Flow and Solutions
天然气流量计量误差产生原因及解决方法
A Research and Improvement on Domestic Accounting Measurement of Petrol and Nature Gas Assets;
我国石油天然气资产会计计量研究及改进
IMPROVEMENT ON DEPRECIATION AND MINUS CALCULATION OF OIL-GAS ASSETS;
石油和天然气资产折旧与减值计量方法的改进
OPTIMIZATION MODEL AND APPLICATION FOR PRODUCTION COMPOSITION OF GAS DEVELOPING PROGRAM;
天然气开发规划产量构成优化模型及其应用
Relationship Between Natural Gas Consumption,GDP and Total Energy Consumption;
天然气需求量与国内生产总值及总能耗的关系
International Comparative Research on Measurement of Oil and Gas Assets
石油天然气资产计量问题的国际比较研究
Major factors in speedy increase of natural gas production and reserves in China
中国天然气储产量快速增长的主要因素
Grass yield meteorological prediction method for main natural grasslands in China
中国主要天然草地产草量气象预测方法
Evaluation of Main Climatic Factors Effecting on Grass Production of Natural Grassland
主要气候因子对天然草地产草量的影响评价