GB/T 15468-2020.Fundamental technical requirements for hydraulic turbines.1范围GB/T 15468规定了水轮机产品设计、制造方面的性能保证、技术要求、供货范围和...
GB/T 19233-2020.Measurement methods of fuel consumption for light-duty vehicles.1范围GB/T 19233规定了通过测定汽车二氧化碳(CO2)一氧化碳(CO)和碳氢化合物(HC)排放...
GB/T 38812.1-2020.Direct reduced iron-Determination of iron( II ) content-The potassium dichromate titrimetric method after decomposition of sample by ferric chloride.1范围GB/T 38...
GB/T 38914-2020.Evaluation method for lifetime of proton exchange membrane fule cell stack in vehicle application.1范围GB/T 38914规定了车用质子交换膜燃料电池堆的使用...
GB/T 38954-2020.Hydrogen fuel cell power system for unmanned aerial vehicles.1范围GB/T 38954规定了无人机用氢燃料电池发电系统的通用要求、技术要求、试验方...
GB/T 38949-2020.Determination of pore size for porous membranes-Standard particle method.1范围GB/T 38949规定了利用标准粒子法测定多孔膜孔径的原理、试剂、仪器...
GB/T 38879-2020.Particle- Size analysis- Color image analysis methods.1范围GB/T 38879规定了颗粒彩色图像的采集、处理以及颗粒粒度分析的方法。GB/T 38879适用...
GB 51412-2020.Standard for design of tin smelter processes.1总则1.0.1 为了规范锡冶炼厂工艺设计,做到工艺先进、节能减排、环境友好、循环经济、清洁绿...
GB/T 38875-2020.Reduced activation martensitic steel plates with heat-resistance and corrosion-resistance for nuclear facilities.1范围GB/T 38875规定了核电用耐高温抗腐蚀低...
GB/T 38877-2020.Insulating coatings for the electrical steel strip( sheet).1范围GB/T 38877规定了冷轧电工钢带(片)绝缘涂层的术语和定义、分类及代号、检测项...