NB/T 51047-2016.Technical requirement of gob-side entry retaining roadside packing. 1范围 NB/T 51047规定了应用高水材料巷旁充填实施沿空留巷技术有关的术语和定义、适用条件、工艺流程和设备布置、充填材料质量及

NB/T 51048-2016.Mine ventilation air-spraying water heat exchanger. 1范围 NB/T 51048规定了喷淋式矿井回风换热器的术语和定义、结构与型号、技术要求、试验方法、检验规则、标志、包装、运输及贮存方法。 NB/T 51048适用

NB/T 51049-2016.Energy saved evaluation method for mine air return waste heat comprehensive utilization system. 1范围 NB/T 51049规定了矿井回风废热综合利用系统节能量评估的技术要

NB/T 51042-2015.The Specification for Construction and Acceptance of Architectural Engineering in Coal Preparation Plant. 1总则 1.0.1 为进一步规范选煤厂建筑工程施工，统一

NB/T 51043-2015.Technical Specification for Repairing Collapse Shaft of Production Mine. 1总则 1.0.1 为使立井垮塌修复治理工作规范化，做到安全可靠、技术成熟、经济合理，制定本规范。 1.0.2 

NB/T 51044-2015.Inspecting-testing specification of main technical indexes for coal mine using gas drainage system. 1范围 NB/T 51044规定了煤矿在用瓦斯抽采系统主要技术指标检

NB/T 51040-2015.Grade and limit of major process energy consumption of industrial boiler plants for coal mine. 1范围 NB/T 51040规定了煤矿用工业锅炉房进行工序能耗计算时的基本要求

NB/T 51041-2015.The technical requirements of equipment selection and matching for ten-million-ton-level fully mechanized top coal caving mining face.

NB/T 34074-2018.Specification for flat plate solar collectors. 1范围 NB/T 34074规定了平板型太阳能集热器的术语和定义、分类与标记、设计要求、技术要求、试验方法、检验规则。 NB/T 34074适用于利用太阳辐射加热.有透明盖板

NB/T 34075-2018.Heat pump system installation device for household and similar application. 1范围 NB/T 34075规定了户用及类似用途热泵系统安装集成装置(以下简称“集成装置")的术语和定义、分类和编码