矿井地质条件变化与采矿活动对井下安全的影响分析

来源 :科技致富向导 | 被引量 : 0次 | 上传用户:februaryliao
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
矿井地质工作是煤矿生产、建设开发中至关重要的组成部分,对地质工作勘探、研究、控制程度的高低,直接影响到煤矿生产发展,地质工作贯穿于煤矿开发、利用直至报废的全过程.本文将主要探讨矿井地质条件变化与采矿活动对井下安全的影响.
其他文献
A 4 Mb embedded silicon-oxide-nitride-oxide-silicon (SONOS) memory was developed with a 0.18 μm CMOS logic compatible technology. A reverse programming array a
The aging (biological deterioration) is a major problem of composite insulators now-a-days. The main thing in aging is to predict how, when and with what speed
介绍了一种利用 Google 文件服务实现期刊网络化的简易方式。这种方式简单、经济、实用,是科技期刊从自身实际情况出发,摆脱单一的利用网站形式的传统思路,结合各种网络工具,
This paper presents an analytical approach for predicting the detailed out-of-plane wrinkle deformation that formed in the membrane. The analytical wrinkle mode
Expression of endogenous ouabain in placenta and the concentrations of serum ET-1 and NO were examined in 30 patients with hypertensive disorder complicating pr
To preliminarily determine the appropriate dosage of carboplatin (CBP) at AUC of 5 mg·Ml-1·min-1 in the combination chemotherapy for Chinese senile patients w
The Nyquist rate is a limit of transmission for traditional modulation methods from orthogonality restriction. Nonorthogonal modulation techniques (NMT) is prop
This paper describes a channel estimation and equalization algorithm using three-layer artificial neural networks (ANNs) with feedback for multiple input multip
针对电动架车机作业过程中,为保证架车过程的安全,必须将各台架车机之间实际高程差控制在允许范围内的问题,基于铁道标准要求,利用西门子S7-200 PLC和MM440变频器等设计了一
教学评估是教学活动的重要组成部分。本文通过分析目前我国英语写作教学的现状,提出应在教学中建立一套能发展学生自主学习能力的形成性评估体系,并论述了形成性评估在大学英语