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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 43750-2024 |
Coaxial communication cable-Part 1-113:-Electrical test methods-Attenuation constant test {译} 各向同性稀土粘结永磁粉磁特性测量方法 |
China National Standards constant |
 English PDF |
| GB/T 43801-2024 |
Test methods for relative dielectric constant and loss tangent of copper-clad laminates in the microwave band - Separate dielectric resonator method {译} 微波频段覆铜箔层压板相对介电常数和损耗正切值测试方法-分离介质谐振器法 |
China National Standards constant |
English PDF |
| GB/T 43489-2023 |
Sintered NdFeB permanent magnets constant damp heat test {译} 烧结钕铁硼永磁体 恒定湿热试验 |
China National Standards constant |
English PDF |
| GB/T 43316.5-2023 |
Plastics - Determination of environmental stress cracking (ESC) resistance - Part 5: constant tensile deformation method {译} 塑料 耐环境应力开裂(ESC)的测定 第5部分:恒定拉伸变形法 |
China National Standards constant |
English PDF |
| GB/T 43316.2-2023 |
Plastics - Determination of environmental stress cracking (ESC) resistance - Part 2: constant tensile load method {译} 塑料 耐环境应力开裂(ESC)的测定 第2部分:恒定拉伸负荷法 |
China National Standards constant |
English PDF |
| GB/T 42434-2023 |
General specification for aircraft constant pressure variable hydraulic pump {译} 飞机恒压变量液压泵通用规范 |
China National Standards constant |
English PDF |
| GB/T 42543-2023 |
Surface Chemical Analysis Scanning Probe Microscopy Determination of the Normal Elastic constant of a Cantilever Beam {译} 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 |
China National Standards constant |
English PDF |
| GB/T 41521-2022 |
General technical requirements for multi-index nucleic acid constant temperature amplification detection microfluidic chip {译} 多指标核酸恒温扩增检测微流控芯片通用技术要求 |
China National Standards constant |
English PDF |
| GB/T 41407-2022 |
Technical requirements of nucleic acid constant temperature amplification instrument based on microfluidic chip {译} 微流控芯片核酸恒温扩增仪技术要求 |
China National Standards constant |
English PDF |
| GB/T 41483-2022 |
General technical requirements of liquid hazardous chemical safety inspection instrument based on dielectric constant technology {译} 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 |
China National Standards constant |
English PDF |
| 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 {译} 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 |
China National Standards constant |
English PDF |
| GB/T 42258-2022 |
Determination of Fatigue Properties of Flexible Porous Polymer Materials by constant Deformation Method {译} 柔性多孔聚合物材料 恒定形变法测定疲劳性能 |
China National Standards constant |
English PDF |
| GB/T 41794-2022 |
Geosynthetics - Evaluation of stress cracking resistance of polyolefin geomembranes - Notched constant tensile load method {译} 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 |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| GB/T 12914-2018 |
Paper and board—Determination of tensile properties—constant rate of elongation method(20mm/min) 纸和纸板-抗张强度的测定-恒速拉伸法（20mm/min） |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| 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） |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| GB/T 4994-2015 |
Iron/Copper-Nickel(constantan) thermocouple wires 铁—铜镍（康铜）热电偶丝 |
China National Standards constant |
English PDF |
| GB/T 2903-2015 |
Copper/Copper-Nickel(constantan) thermocouple wires 铜—铜镍（康铜）热电偶丝 |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| GB/T 30545-2014 |
constant temperature controls for electrically heated blankets 电热毯恒温控制器 |
China National Standards constant |
English PDF |
| 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） |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| GB/T 6149-2010 |
New constantan resistance alloy 新康铜电阻合金 |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| GB/T 4993-2010 |
Nickel－Chrominum/Copper－Nickel(constantan) thermocouple wires 镍铬-铜镍（康铜）热电偶丝 |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| 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 |
China National Standards constant |
English PDF |
| GB/T 25386.1-2010 |
Wind turbine generator system variable speed constant frequency control system - Part 1: Technical condition 风力发电机组 变速恒频控制系统 第1部分：技术条件 |
China National Standards constant |
English PDF |
| GB/T 25270-2010 |
Rubber and plastics test equipment - Tensile,flexural and compression types(constant rate of traverse) - Specification 橡胶塑料的拉伸、屈挠和压缩试验设备（恒速移动型） 技术要求 |
China National Standards constant |
English PDF |
| GB/T 25213-2010 |
Determination of plastic properties of coal - constant-torque gieseler plastometer method 煤的塑性测定 恒力矩吉氏塑性仪法 |
China National Standards constant |
English PDF |
| GB/T 24442.2-2009 |
Textiles - Determination of compression property - Part 2: constant rate method 纺织品 压缩性能的测定 第2部分：等速法 |
China National Standards constant |
English PDF |
| GB/T 24442.1-2009 |
Textiles - Determination of compression property - Part 1: constant method 纺织品 压缩性能的测定 第1部分：恒定法 |
China National Standards constant |
English PDF |
| GB/T 22898-2008 |
Paper and board - Determination of tensile properties - constant rate of elongation method (100mm/min) 纸和纸板 抗张强度的测定 恒速拉伸法（100mm/min） |
China National Standards constant |
English PDF |
| GB/T 17200-2008 |
Technical specification for tensile, compression and flexural testing machines for rubber and plastics (constant rate of rtaverse) 橡胶塑料拉力、压力和弯曲试验机（恒速驱动） 技术规范 |
China National Standards constant |
English PDF |
| GB/T 15248-2008 |
The test method for axial loading constant-amplitude low-cycle fatigue of metallic materials 金属材料轴向等幅低循环疲劳试验方法 |
China National Standards constant |
English PDF |
| GB/T 21407-2008 |
Doubly fed variable speed constant frequency wind turbine 双馈式变速恒频风力发电机组 |
China National Standards constant |
English PDF |
| GB/T 15970.6-2007 |
Corrosion of metals and alloys - Stress corrosion testing - Part 6: Preparation and use of pre-cracked specimens for tests under constant load or constant displacement 金属和合金的腐蚀 应力腐蚀试验 第6部分：恒载荷或恒位移下的预裂纹试样的制备和应用 |
China National Standards constant |
English PDF |
| GB/T 1693-2007 |
Rubber,vulcanized - Determination of dielectric constant and dielectric loss tangent 硫化橡胶 介电常数和介质损耗角正切值的测定方法 |
China National Standards constant |
English PDF |
| GB/T 20898.1-2007 |
Immersion suits - Part 1: constant wear suits,requirements including safety 浸水服 第1部分：常穿服安全要求 |
China National Standards constant |
English PDF |
| GB/T 9239.2-2006 |
Mechanical vibration - Balance quality requirements for rotors in a constant (rigid) state - Part 2: Balance errors 机械振动 恒态(刚性)转子平衡品质要求 第2部分:平衡误差 |
China National Standards constant |
English PDF |
| GB/T 9239.1-2006 |
Mechanical vibration - Balance quality requirements for rotors in a constant (rigid) state - Part 1: Specification and verification of balance tolerances 机械振动 恒态（刚性）转子平衡品质要求 第1部分：规范与平衡允差的检验 |
China National Standards constant |
English PDF |
| GB/T 20421.3-2006 |
Hydraulic fluid power―Determination of chracteristics of motors―Part 3: At constant flow and at constant torque 液压马达特性的测定 第3部分：在恒流量和恒转矩下 |
China National Standards constant |
English PDF |
| GB/T 20421.1-2006 |
Hydraulic fluid power―Determination of characteristics of motors―Part 1: At constant low speed and at constant pressure 液压马达特性的测定 第1部分：在恒低速和恒压力下 |
China National Standards constant |
English PDF |
| GB 19212.13-2005 |
Safety of power transformers, power supply units and similar devices -- Part 13: Particular requirements for constant voltage transformers 电力变压器、电源装置和类似产品的安全 第13部分：恒压变压器的特殊要求 |
China National Standards constant |
English PDF |
| GB/T 4857.7-2005 |
Packaging-Basic tests for transport packages-Part 7:Sinusoidal vibration test method at constant frequency 包装 运输包装件基本试验 第7部分:正弦定频振动试验方法 |
China National Standards constant |
English PDF |
| GB/T 5170.16-2005 |
Inspection methods for basic parameters of environmental testing equipments for electric and electronic products Centrifugal machines for constant acceleration test 电工电子产品环境试验设备 基本参数检定方法 稳态加速度试验用离心机 |
China National Standards constant |
English PDF |
| GB/T 18945-2003 |
Polymeric materials，cellular flexible--Method of assessment of air flow value at constant pressure-drop 高聚物多孔弹性材料 恒定压力降时流量的估算方法 |
China National Standards constant |
English PDF |
| GB/T 18941-2003 |
Flexible cellular polymeric materials--Determination of fatigue by constant-load pounding 高聚物多孔弹性材料 定负荷冲击疲劳的测定 |
China National Standards constant |
English PDF |
| GB/T 13477.12-2002 |
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 |
China National Standards constant |
English PDF |
| GB/T 5080.6-1996 |
Equipment reliability testing--Tests for the validity of a constant failure rate assumption 设备可靠性试验 恒定失效率假设的有效性检验 |
China National Standards constant |
English PDF |
| GB/T 15560-1995 |
Standard test method for short-time hydraulic failure and resistance to constant internal pressure of the plastics pipes for the transport of fluids 流体输送用塑料管材液压瞬时爆破和耐压试验方法 |
China National Standards constant |
English PDF |
| GB/T 12634-1990 |
Test methods for electroelastic constants of piezoelectric crystals 压电晶体电弹常数测试方法 |
China National Standards constant |
English PDF |
| GB/T 11310-1989 |
Test methods for the properties of piezoelectric ceramics--Test methods for temperature characteristics of relative free dielectric constants 压电陶瓷材料性能测试方法 相对自由介电常数温度特性的测试 |
China National Standards constant |
English PDF |
| GB/T 11297.11-1989 |
Test method for the dielectric constant of pyroelectric materials 热释电材料介电常数的测试方法 |
China National Standards constant |
English PDF |
| GB/T 5080.7-1986 |
Equipment reliability testing--Compliance test plans for failure rate and mean time between failures assuming constant failure rate 设备可靠性试验 恒定失效率假设下的失效率与平均无故障时间的验证试验方案 |
China National Standards constant |
English PDF |
| GB/T 2689.1-1981 |
constant stress life tests and acceleration life tests--General rules 恒定应力寿命试验和加速寿命试验方法 总则 |
China National Standards constant |
English PDF |
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