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'Constant'
China GB Standards List

 GB/T 42434-2023  
General specification for aircraft Constant pressure variable hydraulic pump
飞机恒压变量液压泵通用规范
 GB/T 42543-2023  
Surface Chemical Analysis Scanning Probe Microscopy Determination of the Normal Elastic Constant of a Cantilever Beam
表面化学分析 扫描探针显微术 悬臂梁法向弹性常数的测定
 HG/T 2581.1-2022  
Rubber or plastics coated fabrics - Determination of tear resistance - Part 1: Constant velocity tearing method
橡胶或塑料涂覆织物 耐撕裂性能的测定 第1部分：恒速撕裂法
 GB/T 41521-2022  
General technical requirements for multi-index nucleic acid Constant temperature amplification detection microfluidic chip
多指标核酸恒温扩增检测微流控芯片通用技术要求
 GB/T 41407-2022  
Technical requirements of nucleic acid Constant temperature amplification instrument based on microfluidic chip
微流控芯片核酸恒温扩增仪技术要求
 GB/T 41483-2022  
General technical requirements of liquid hazardous chemical safety inspection instrument based on dielectric Constant technology
基于介电常数技术的液态危险化学品安全检查仪通用技术要求
 GB/T 42279-2022  
Vulcanized or thermoplastic rubber Determination of tensile set at Constant elongation and determination of tensile set, elongation and creep at constant tensile load
硫化橡胶或热塑性橡胶 在恒定伸长率下测定拉伸永久变形及在恒定拉伸载荷下测定拉伸永久变形、伸长率和蠕变
 GB/T 42258-2022  
Determination of Fatigue Properties of Flexible Porous Polymer Materials by Constant Deformation Method
柔性多孔聚合物材料 恒定形变法测定疲劳性能
 GB/T 41794-2022  
Geosynthetics - Evaluation of stress cracking resistance of polyolefin geomembranes - Notched Constant tensile load method
土工合成材料 聚烯烃土工膜耐应力开裂性能的评价 切口恒定拉伸负荷法
 GB/T 40315-2021  
Plastics—Small enclosures for conditioning and testing using aqueous solutions to maintain the humidity at a Constant value
塑料 采用水溶液保持湿度恒定进行状态调节和试验的小密闭容器
 GB/T 1687.4-2021  
Rubber,vulcanized—Determination of temperature rise and resistance to fatigue in flexometer testing—Part 4: Constant-stress flexometer
硫化橡胶 在屈挠试验中温升和耐疲劳性能的测定 第4部分：恒应力屈挠试验
 QB/T 5559-2020  
Constant speed bending method stiffness tester
恒速弯曲法挺度测定仪
 YD/T 2061-2020  
Constant temperature and humidity air conditioning system for communication room
通信机房用恒温恒湿空调系统
 GB/T 38269-2019  
Corrosion of metals and alloys—Accelerated cyclic corrosion tests with exposure to synthetic ocean water salt-deposition process—Dry and wet conditions at Constant absolute humidity
金属和合金的腐蚀 含人造海水沉积盐过程的循环加速腐蚀试验 恒定绝对湿度下干燥/湿润
 GB/T 37892-2019  
Digital integrated full frequency conversion controlled Constant pressure water supply equipment
数字集成全变频控制恒压供水设备
 GB/T 38269-2019  
Corrosion of metals and alloys—Accelerated cyclic corrosion tests with exposure to synthetic ocean water salt-deposition process—Dry and wet conditions at Constant absolute humidity
金属和合金的腐蚀 含人造海水沉积盐过程的循环加速腐蚀试验 恒定绝对湿度下干燥/湿润
 GB/T 5170.16-2018  
Inspection methods for environmental testing equipments—Part 16：Centrifugal machines for Constant acceleration test
环境试验设备检验方法-第16部分：稳态加速度试验用离心机
 GB/T 13477.12-2018  
Test method for building sealants－Part 12：Determination of adhesion/cohesion properties at Constant temperature
建筑密封材料试验方法-第12部分：同一温度下拉伸-压缩循环后粘结性的测定
 GB/T 1683-2018  
Rubber,vulcanized—Determination of compression set at Constant strain
硫化橡胶 恒定形变压缩永久变形的测定方法
 GB/T 12914-2018  
Paper and board¡ªDetermination of tensile properties¡ªConstant rate of elongation method(20 mm/min)
纸和纸板-抗张强度的测定-恒速拉伸法（20mm/min）
 GB/T 34471.2-2017  
Elastic alloys—Part 2: Constant elastic alloys
弹性合金 第2部分：恒弹性合金
 GB/T 1687.3-2016  
Rubber, vulcanized—Determination of temperature rise and resistance to fatigue in flexometer testing—Part 3: Compression flexometer（Constant-strain type）
硫化橡胶 在屈挠试验中温升和耐疲劳性能的测定 第3部分：压缩屈挠试验（恒应变型）
 SY/T 7326-2016  
(Constant potential instrument common technical conditions)
恒电位仪通用技术条件
 CJ/T 501-2016  
(Isolated gas Constant pressure device)
隔绝式气体定压装置
 NB/T 51050-2016  
(Mine magnetic coupling Constant filling)
矿用限矩型磁力偶合器
 GB/T 11297.11-2015  
Test method for dielectric Constant of pyroelectric materials
热释电材料介电常数的测试方法
 GB/T 32376-2015  
Elastic Constants test method for fibre reinforced composites
纤维增强复合材料弹性常数测试方法
 QC/T 1020-2015  
Test methods for Constant velocity universal joint and assembiles for automobiles
汽车等速万向节及其总成试验方法
 GB/T 21407-2015  
Doubly fed variable speed Constant frequency wind turbine
双馈式变速恒频风力发电机组
 GB/T 9279.1-2015  
Paints and varnishes—Determination of scratch resistance—Part 1: Constant-loading method
色漆和清漆 耐划痕性的测定 第1部分：负荷恒定法
 GB/T 4994-2015  
Iron/Copper-Nickel(Constantan) thermocouple wires
铁—铜镍（康铜）热电偶丝
 GB/T 2903-2015  
Copper/Copper-Nickel(Constantan) thermocouple wires
铜—铜镍（康铜）热电偶丝
 GB/T 30654-2014  
Test method for lattice Constant of III-nitride epitaxial layers
Ⅲ族氮化物外延片晶格常数测试方法
 SJ/T 11469-2014  
Test methods for the piezoelectric properties of ceramics shear piezoelectric strain Constant d15 testing on quasi-static principle
压电陶瓷材料性能测试方法 切变压电应变常数d15的准静态测试
 JJF 1490-2014  
CalibrationSpecification for ConstantBandwidth Filters
恒定带宽滤波器校准规范
 QB/T 4770-2014  
Coriolis Constant feed weigher for powder
科里奥利粉体定量给料秤
 NB/SH/T 0883-2014  
Standard test method for determination of ignition delay and derived cetane number of diesel fbel oil by combustion in a Constant volanse chamber
柴油着火滞后期和导出十六烷值的测定 等容燃烧室法
 GB/T 30545-2014  
Constant temperature controls for electrically heated blankets
电热毯恒温控制器
 NB/T 47038-2013  
Constant spring support and hanger
恒力弹簧支吊架
 GB/T 3916-2013  
Textiles - Yarns from packages - Determination of single-end breaking force and elongation at break using Constant rate of extension (CRE) tester
纺织品 卷装纱 单根纱线断裂强力和断裂伸长率的测定（CRE法）
 GB/T 29174-2012  
Thermal analysis test method for Constant-temperature stability of materials
物质恒温稳定性的热分析试验方法
 GB 27898.2-2011  
Fixed water supply equipment used for fire-protection - Part 2: Constant pressure automatic water supply equipment used for fire-protection
固定消防给水设备 第2部分：消防自动恒压给水设备
 HG/T 3500-2011  
Chemical reagent. Test method for polarity Constant of liquid stationary phase in gas chromatography
化学试剂 气相色谱固定液极性常数测试方法
 GB/T 26830-2011  
Non-destructive testing instruments - High frequency Constant potential X-ray equipment
无损检测仪器 高频恒电位工业X射线探伤机
 GB/T 17802-2011  
Thermal analysis test methods for Arrhenius kinetics Constants of thermally unstable materials
热不稳定物质动力学常数的热分析试验方法
 GB/T 6145-2010  
Manganin and Constantan alloy wires,sheet and rolled wires for precision electrical resistance
锰铜、康铜精密电阻合金线、片及带
 GB/T 4993-2010  
Nickel－Chrominum/Copper－Nickel(Constantan) thermocouple wires
镍铬-铜镍（康铜）热电偶丝
 GB/T 6149-2010  
New Constantan resistance alloy
新康铜电阻合金
 GB/T 25386.2-2010  
Wind turbine generator system - Variable speed Constant frequency control system - Part 2: Test method
风力发电机组 变速恒频控制系统 第2部分：试验方法
 GB/T 25291-2010  
Specification for three-phase Constant torque asynchronous motor for cargo winches in ships
船用起货机用恒力矩三相异步电动机技术条件

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