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(fēng)設(shè)備故障是導(dǎo)致掘進(jìn)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(xiǎn)源理論和評(píng)價(jià)指標(biāo)選擇原則，建立了掘進(jìn)面瓦斯爆炸評(píng)價(jià)指標(biāo)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(shí)踐表明，采用鉆孔雷達(dá)和BEAM電法探測(cè)技術(shù)對(duì)隧道掌子面前方的不良地質(zhì)情況，尤其是含水情況具有較好的預(yù)測(cè)結(jié)果。

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掘進(jìn)工作面
掘進(jìn)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(yùn)用灰色關(guān)聯(lián)度方法，對(duì)具體掘進(jìn)面瓦斯爆炸三類危險(xiǎn)源分別進(jìn)行了相對(duì)危險(xiǎn)程度評(píng)價(jià)，實(shí)現(xiàn)了單因素指標(biāo)與標(biāo)準(zhǔn)序列的評(píng)價(jià)，為辨識(shí)不安全因素提供了依據(jù)；利用灰色聚類安全評(píng)價(jià)方法對(duì)具體掘進(jìn)面進(jìn)行了綜合安全評(píng)價(jià)，其結(jié)果同時(shí)作為BP神經(jīng)網(wǎng)絡(luò)的訓(xùn)練樣本。
巷道工祖