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- coal gas emission quantity 瓦斯涌出量
- The result offers some basis for predicting gas emission quantity accurately. 计算结果为瓦斯涌出量的准确预测提供了依据。
- After the time series fuzzy fractal processing of the mine gas emission quantity, the non linear relations of the influence factors were combined with BP neural network. 通过对矿井瓦斯涌出量时间序列的模糊分形处理,用BP神经网络对影响因素间的非线性关系进行拟合。
- The paper is to organically combine the time series analysis method and neural network technology in the fuzzy control technology and fractal theory to predict mine gas emission quantity. 将模糊控制技术、分形理论中的时间序列分析方法与神经网络技术有机地结合起来,并运用于矿井瓦斯涌出量的预测中。
- Prediction, prevention and control of gas emission quantity in working face in low gas coal bed 低瓦斯煤层工作面瓦斯涌出量预测与防治
- The Law of Gas Emission For Full-Mechanized Mining Working Face and The Prediction of Gas Emission Quantity 综采工作面的瓦斯涌出规律及涌出量的预测
- Keywords gas emission quantity;controlled factors;weighing;related degree;related order; 瓦斯涌出量;控制因素;权重;关联度;关联序;
- gas emission quantity 瓦斯涌出量
- mine gas emission quantity 瓦斯涌出量
- Coal Gas Factory of Datong Coal Mine Gro. 大同煤矿集团有限责任公司煤气厂。
- Coal gas is produced by the gasification of coal. 煤气是由煤的气化作用得到的。
- Guard against coal gas poisoning. 小心别让煤气熏着。
- He died from suffocation by coal gas. 他被煤气熏死了。
- How much coal gas can this gas tank contain? 这个煤气包能储存多少煤气?
- The mathematical mold is more closed to actual gas emission . 这个数学模型更接近瓦斯涌出的实际情况。
- How to incinerate in order reduce waste gas emission? 该如何焚化才能降低污染排放？
- The coal gas has been odorized before supplying the users. 煤气在输送给用户之前添加了臭味。
- A novel artificial network model based on fuzzy-rough set for gas emission forecasting of coal is proposed in the paper. 本文建立了基于模糊粗糙集的神经网络预测模型,对瓦斯涌出量进行了预测。
- Ammonia, coal tar and coke are all by-products obtained in the manufacture of coal gas. 氨气、煤焦油、焦煤都是煤气生产过程中的副产品。
- Under gassy coal seam condition, the full-heading development is employed.Because of the fast heading a high rate of gas emission arises. 在瓦斯含量较大的煤层采用综掘掘进巷道，由于掘进速度快，出现了瓦斯涌出量过大的现象。
