GB/T 23761-2020.Test method for air-purification performances of photocatalytic materials-Degradation of acetaldehyde ( or formaldehyde).1范围GB/T 23761规定了光催化材料及制...
GB/T 23762-2020.Test method for water purification performance of photocatalytic materials.1范围GB/T 23762规定了光催化材料水溶液净化性能测试方法的原理、试验...
GB/T 38511-2020.Evaluation method of service life for hollow fiber membrane.1范围GB/T 38511规定了水处理用中空纤维膜使用寿命的评价方法。GB/T 38511适用于水处...
GB/T 38531-2020.Microbeam analysis-Computed tomography (CT) method for micro-and nano-pore structure analysis in tight rock samples.1范围GB/T 38531规定了计算机层析成像(C...
GB/T 38532-2020.Microbeam analysis-Electron backscatter diffraction-Measurement of average grain size.1范围GB/T 38532规定了用电子背散射衍射法(EBSD)对抛光截面进行平...
GB/T 38445-2020.External projections for all terrain vehicles.1范围GB/T 38445规定了全地形车外部凸出物的要求和试验方法。GB/T 38445适用于全地形车(以下简...
GB/T 3836.25-2019.Explosive atmospheres- Part 25 : Requirements for process sealing between flammable process fluids and electrical systems.1范围可燃性工艺流体和电气系统...
GB/T 38582-2020.Specifications for assessment of forest ecosystem services.1范围GB/T 38582规定了森林生态系统服务功能评估的术语和定义、基本要求、数据来源...
GB/T 28029.1-2020.Electronic railway equipment-Train communication network (TCN)-Part 1: General architecture.1范围GB/T 28029的本部分规定了列车通信网络(TCN)的通用架...
GB/T 28029.8-2020.Electronic railway equipment一 Train communication network (TCN)-Part 2-7 : Radio based Wireless Train Backbone ( WLTB).1范围GB/T 28029.8规定了基于电台的无...
