共找到 54 条与 采矿 相关的标准,共 4 页
本规范适用于冲积层厚度小于400m,冻结深度小于500m的煤矿立井井筒冻结法凿井的勘察、井壁、地层冻结、冻结壁形成及其检测、冻结孔施工与冻结管质量、制冷站制冷系统、井筒掘砌及监控的设计及施工。冲积层厚度大于400m的冻结立井可参照本规范执行。
Coal mine technical specification for vertical shaft sinking by freezing method
Mine plans - Open cast mining - Part 2: Reconstruction
Requirements and Acceptance Specifications for Mine Geological Environment Treatment and Restoration
Technical code for ventilation safety of metal and non-metal underground mines
本标准规定了煤矿主排水系统在正常运行状况下,节能监测检查项目、节能监测测试项目、节能监测要求、节能监测方法、节能监测判定规则和节能监测报告书。 本标准适用于煤矿在用的交流电气传动的主排水系统。
Monitoring method and decision regulation for energy conservation of main drainage system for coal mine
이 규격은 ISO 5613에서 지정한 톱니바퀴의 단위를 확인하는 방법을 제시한다. 이
Mining-Guidance on methods of verifying dimensions of sprocket assemblies for chain conveyors
Rules for Calculation of Water Inflow in Uranium Mining Pit
本标准规定了长钻孔煤层注水的工艺、设备及参数。 本标准适用于煤矿井下长壁采煤工作面长钻孔煤层注水。
Water Injection Method for Long Borehole Coal Seam
本标准规定了乳化炸药的技术要求、试验方法、检验规则、标志、包装、运输和贮存。 本标准适用于煤矿许用乳化炸药和非许用乳化炸药。
Emulsion Explosive Technical Conditions
This document applies to the features of mining-specific mapping. It contains symbols, abbreviations, and terms to be used for marking hazardous zones, zones of protective measures.#,,#
Mine plans; deep mining; hazardous zones, zones of protective measures
The specification of this standard apply to drafting and making-up of mining-specific mapping. It contains symbols, abbreviations and terms to be used for symbolising underground workings.#,,#
Mine plans; deep mining; underground workings
Prezentul standard stabile?te tipurile ?i dimensiunile principale ale acelor pentru ma?inile de cusut industriale ?i casnice.
Sewing machines. Needles. Types and main dimensions
Classification indicators and support methods for roadside support of coal mine gobside tunnels
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