GB/T 40239-2021.Meteorological grades for urban snow hazard.1范围GB/T 40239规定了城市雪灾气象等级划分及指数计算。GB/T 40239适用于对城市雪灾气象等级的...
GB/T 40130-2021.Specifications for special hydrogeological exploration in coal mines.1范围GB/T 40130规定了煤矿专门水文地质勘查总则、勘查方法技术、矿井水文...
GB/T 9966.11-2021.Test methods for natural stone-Part 11 :Determination of resistance to ageing by cold and thermal shock.1范围GB/T 9966的本部分规定了天然石材耐激冷激...
GB/T 40222-2021.Guide for smart hydropower plant.1范围GB/T 40222规定了智能水电厂现地设备、发电运行、水库调度、检修维护、安全管理的技术要求。G...
GB/T 40190-2021.Determination of forbidden bleach in toothpaste-High performance liquid chromatography method.1范围GB/T 40190规定了牙膏中禁用漂白剂过氧化苯甲酰含量...
GB/T 18216.3-2021.Electrical safety in low voltage distribution systems up to 1 000 V a.c. and1 500 V d.c.- Equipment for testing, measuring or monitoring of protective measures- Pa...
GB/T 28543-2021.Noise measurement method on power capacitors.1范围GB/T 28543描述了电力电容器单元的声压级测量方法,并以此来确定电力电容器单元的声功率...
GB/T 40175.1-2021.Textiles -Methods of biochemical analysis-Part 1:Cadmium and lead ( colloidal gold method).1范围GB/T 40175.1规定了采用胶体金法测定纺织品中可萃取镉...
GB/T 9966.13-2021.Test methods for natural stone-Part 13: Determination of water absorption coefficient by capillarity.1范围GB/T 9966的本部分规定了天然石材毛细吸水系...
GB/T 40191-2021.Determination of restricted preservatives in toothpaste-High performance liquid chromatography method.1范围GB/T 40191规定了牙膏中限用防腐剂山梨酸和苯...
