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GB/T 24282-2021
Plastics—Determination of xylene-soluble matter fraction in polypropylene
塑料聚丙烯中二甲苯可溶物含量的测定

GB/T 41061-2021
Test methods for creep properties of fiber reinforced plastics
纤维增强塑料蠕变性能试验方法

GB/T 41099-2021
Specifications for monitoring system for reciprocating compressors
往复活塞压缩机监测系统规范

GB/T 41066.1-2021
Petroleum drilling and production equipment—Offshore semisubmersible drilling unit—Part 1：Functional configuration and design
石油天然气钻采设备海洋石油半潜式钻井平台第1部分:功能配置和设计

GB/T 41188-2021
Technical code of practice for velvet antler processing
鹿茸加工技术规程

GB/T 20886.2-2021
Quality requirements for yeast products—Part 2: Processed yeast products
酵母产品质量要求第2部分: 酵母加工制品

GB/T 20886.1-2021
Quality requirements for yeast products—Part 1：Yeast for food processing
酵母产品质量要求第1部分：食品加工用酵母

GB/T 41078-2021
Test methods for harmful substances in building waterproofing materials
建筑防水材料有害物质试验方法

GB/T 41179-2021
prosthetics and orthotics—Foot orthoses—Uses,functions,classification and description
假肢和矫形器足矫形器用途、功能、分类和描述

GB/T 3098.26-2021
Mechanical properties of fasteners—Flat washers
紧固件机械性能平垫圈

GB/T 23549-2021
propiconazole emulsifiable concentrates
丙环唑乳油

GB/T 6445-2021
Rolling bearings—Needle roller bearing track rollers—Boundary dimensions, geometrical product specifications (GPS) and tolerance values
滚动轴承滚轮滚针轴承外形尺寸、产品几何技术规范（GPS）和公差值

GB/T 41176-2021
professional sportswear -- Ski and snowboard wear
专业运动服装? 滑雪服

GB/T 24166-2021
Determination of the content of chlorinated phenols in dye products
染料产品中含氯苯酚的测定

GB/T 2449.1-2021
Sulphur for industrial use—Part 1: Solid product
工业硫磺第1部分：固体产品

GB/T 41138-2021
product quality information system -- Information classification, sharing and exchange
产品质量信息系统信息分类与共享交换

GB/T 14598.118-2021
Measuring relays and protection equipment -- Part 118: Synchrophasor for power systems -- Measurements
量度继电器和保护装置第118部分：电力系统同步相量测量

GB/T 41249-2021
Industrial assistance—Guidance for operation management of “pig-biogas-fruit (grain and vegetable)”circular agricultural project
产业帮扶 “猪-沼-果（粮、菜）” 循环农业项目运营管理指南

GB/T 41174-2021
professional sportswear -- Track and field garment
专业运动服装? 田径服

GB/T 41107.2-2021
Destructive tests on welds in metallic materials -- Hot cracking tests for weldments -- Arc welding processes -- Part 2: Self-restraint tests
金属材料焊缝破坏性试验焊件的热裂纹试验弧焊方法第2部分：自拘束试验

GB/T 41071-2021
Determination of polycyclic aromatic hydrocarbons in dye products
染料产品中多环芳烃的测定

GB/T 21419-2021
Transformers, power supplies, reactors and similar products—EMC requirements
变压器、电源装置、电抗器及其类似产品电磁兼容（EMC）要求

GB/T 21636-2021
Microbeam analysis—Electron probe microanalysis (EPMA)—Vocabulary
微束分析电子探针显微分析（EPMA）术语

GB/T 41163-2021
Specification for process design of enhancing coal seam permeability by water jet in coalmine
煤矿井下煤层水射流冲击增透工艺设计规范

GB/T 15166.4-2021
High-voltage alternating-current fuses -- Part 4：Fuse for exteanal protection of shunt capacitors
高压交流熔断器第4部分：并联电容器外保护用熔断器

GB/T 41205.1-2021
Code and attribute description of emergency supplies -- Part 1: Personal protective equipment
应急物资编码与属性描述第1部分：个体防护装备

GB/T 14914.6-2021
The specification for marine observation—Part 6:Data processing and quality control of marine observational data
海洋观测规范第6部分：数据处理与质量控制

GB/T 41020-2021
Guidance on building fire risk assessment for property insurance
建筑物财产保险火灾风险评估指南

GB/T 801-2021
Cup head square neck bolts with small head and short neck—product grade B
小半圆头低方颈螺栓 B级

GB/T 11807-2021
Characteristics,design and operational procedures for acoustic monitoring systems of loose parts detection important to safety in nuclear power plants
核电厂安全重要松脱部件声学监测系统的特性、设计和运行规程

GB/T 41107.1-2021
Destructive tests on welds in metallic materials -- Hot cracking tests for weldments -- Arc welding processes -- Part 1: General
金属材料焊缝破坏性试验焊件的热裂纹试验弧焊方法第1部分：总则

GB/T 1927.7-2021
Test methods for physical and mechanical properties of small clear wood specimens—Part 7: Determination of water absorption
无疵小试样木材物理力学性质试验方法第7部分：吸水性测定

GB/T 1927.1-2021
Test methods for physical and mechanical properties of small clear wood specimens—Part 1: Collection of sample tree
无疵小试样木材物理力学性质试验方法第1部分：试材采集

GB/T 1927.2-2021
Test methods for physical and mechanical properties of small clear wood specimens—Part 2: Sampling methods and general requirements
无疵小试样木材物理力学性质试验方法第2部分：取样方法和一般要求

GB/T 1927.3-2021
Test methods for physical and mechanical properties of small clear wood specimens—Part 3: Determination of the growth rings width and latewood rate of wood
无疵小试样木材物理力学性质试验方法第3部分：生长轮宽度和晚材率测定

GB/T 1927.4-2021
Test methods for physical and mechanical properties of small clear wood specimens—Part 4: Determination of moisture content
无疵小试样木材物理力学性质试验方法第4部分：含水率测定

GB/T 14598.181-2021
Measuring relays and protection equipment -- Part 181：Functional requirements for frequency protection
量度继电器和保护装置第181 部分：频率保护功能要求

GB/T 1927.6-2021
Test methods for physical and mechanical properties of small clear wood specimens—Part 6: Determination of shrinkage
无疵小试样木材物理力学性质试验方法第6部分：干缩性测定

GB/T 10827.2-2021
Industrial trucks -- Safety requirements and verification -- Part 2: Self-propelled variable-reach trucks
工业车辆? 安全要求和验证? 第2部分：自行式伸缩臂式叉车

GB/T 41079.1-2021
Test methods for physical properties of liquid metals—Part 1:Determination of density
液态金属物理性能测定方法第1部分：密度的测定

GB/T 1927.8-2021
Test methods for physical and mechanical properties of small clear wood specimens—Part 8: Determination of swelling
无疵小试样木材物理力学性质试验方法第8部分：湿胀性测定

GB/T 1927.9-2021
Test methods for physical and mechanical properties of small clear wood specimens—Part 9: Determination of bending strength
无疵小试样木材物理力学性质试验方法第9部分：抗弯强度测定

GB/T 1927.10-2021
Test methods for physical and mechanical properties of small clear wood specimens—Part 10: Determination of modulus of elasticity in bending
无疵小试样木材物理力学性质试验方法第10部分：抗弯弹性模量测定

GB/T 1927.20-2021
Test methods for physical and mechanical properties of small clear wood specimens—Part 20: Determination of cleavage strength
无疵小试样木材物理力学性质试验方法第20部分：抗劈力测定

GB/T 1927.5-2021
Test methods for physical and mechanical properties of small clear wood specimens—Part 5: Determination of density
无疵小试样木材物理力学性质试验方法第5部分：密度测定

GB/T 41075-2021
Fluorescent whitening agent -- Determination of migration properties
荧光增白剂迁移性的测定

GB/T 1927.12-2021
Test methods for physical and mechanical properties of small clear wood specimens—Part 12:Determination of strength in compression perpendicular to grain
无疵小试样木材物理力学性质试验方法第12部分：横纹抗压强度测定

GB/T 41089-2021
Technical specification for isolated lightning protection of electronic system based on lightning nowcasting and warning
基于雷电临近预警的电子系统隔离防雷技术规范

GB/T 6476-2021
Surface grinding machines with vertical grinding wheel spindle and reciprocating table—Testing of the accuracy
立轴矩台平面磨床精度检验

GB/T 1927.19-2021
Test methods for physical and mechanical properties of small clear wood specimens—Part 19: Determination of static hardness
无疵小试样木材物理力学性质试验方法第19部分：硬度测定

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