heading face

基本解釋

Mine local ventilation facilities failure is one of the main reason which leads to the accident of gas explosions in heading face.
礦井局部通風設備故障是導致掘進工作面較易發(fā)生瓦斯爆炸事故的主要理由之一。
According to hazard theory and principle of selecting assessment index, the paper constructs assessment index system of gas explosion in heading face.
根據(jù)危險源理論和評價指標選擇原則，建立了掘進面瓦斯爆炸評價指標體系。
The practice demonstrates that the prediction to adverse geologic condition in front of the heading face by boring radar and BEAM electric method, especially to water-holding condition, is satisfied.
實踐表明，采用鉆孔雷達和BEAM電法探測技術對隧道掌子面前方的不良地質情況，尤其是含水情況具有較好的預測結果。

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掘進工作面
掘進面
We utilize safety assessment method of grey cluster to assess concrete heading face. Assessment result is regarded as train sample of BP neural network.
運用灰色關聯(lián)度方法，對具體掘進面瓦斯爆炸三類危險源分別進行了相對危險程度評價，實現(xiàn)了單因素指標與標準序列的評價，為辨識不安全因素提供了依據(jù)；利用灰色聚類安全評價方法對具體掘進面進行了綜合安全評價，其結果同時作為BP神經網(wǎng)絡的訓練樣本。
巷道工祖