China direct GB Standards English PDF List

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China "direct" GB Standards English PDF List:

Standard Code	Standard Title	Standard Class	Order
GB/T 43615-2023	Additive manufacturing Ultrasonic testing method of directed energy deposition metal forming parts 增材制造定向能量沉积金属成形件超声检测方法	China National Standards direct	English PDF
GB/T 43614-2023	Additive Manufacturing Metal Powder directional Energy Deposition Equipment Laser Cladding Head Test Method 增材制造金属粉末定向能量沉积设备激光熔覆头测试方法	China National Standards direct	English PDF
GB/T 43610-2023	Microbeam analysis Analytical electron microscopy Transmission electron microscopy method for determination of apparent growth direction of linear crystals 微束分析分析电子显微术线状晶体表观生长方向的透射电子显微术测定方法	China National Standards direct	English PDF
GB/T 43534-2023	Design and test method of AC side impedance of voltage source converter for high voltage direct current transmission 高压直流输电用电压源换流器交流侧阻抗设计及测试方法	China National Standards direct	English PDF
GB/T 17872-2023	Jianghai direct cargo ship ship size series 江海直达货船船型尺度系列	China National Standards direct	English PDF
GB/T 30547-2023	Resistors for high voltage direct current transmission system filters 高压直流输电系统滤波器用电阻器	China National Standards direct	English PDF
GB/T 26949.7-2023	Industrial Vehicles Stability Verification Part 7: Bi-directional and multi-directional operating forklifts 工业车辆稳定性验证第7部分：双向和多向运行叉车	China National Standards direct	English PDF
GB/T 43308-2023	Glass fiber reinforced thermoplastic unidirectional prepreg 玻璃纤维增强热塑性单向预浸料	China National Standards direct	English PDF
GB/T 43382-2023	Normal direction of movement of hand controls on road vehicles 道路车辆手控装置常规运动方向	China National Standards direct	English PDF
GB/T 30553-2023	High voltage direct current transmission based on voltage source converter 基于电压源换流器的高压直流输电	China National Standards direct	English PDF
GB/T 26215-2023	Capacitors for converter valve damping and absorption circuits in high-voltage direct current transmission systems 高压直流输电系统换流阀阻尼吸收回路用电容器	China National Standards direct	English PDF
GB/T 5313-2023	Thickness direction performance steel plate 厚度方向性能钢板	China National Standards direct	English PDF
GB/T 43140-2023	Laser directed energy deposition machine tools General technical specifications 激光定向能量沉积机床通用技术规范	China National Standards direct	English PDF
GB/T 20538.2-2023	XML-based e-commerce business data and processes Part 2: Business information entity directory 基于XML的电子商务业务数据和过程第2部分：业务信息实体目录	China National Standards direct	English PDF
GB/T 42848-2023	Semiconductor integrated circuits - Test methods for direct digital frequency synthesizers 半导体集成电路直接数字频率合成器测试方法	China National Standards direct	English PDF
GB/T 42621-2023	Additive manufacturing directed energy deposition-milling composite additive manufacturing process specification 增材制造定向能量沉积-铣削复合增材制造工艺规范	China National Standards direct	English PDF
GB/T 42622-2023	Additive Manufacturing Titanium and Titanium Alloy Powders for Laser directed Energy Deposition 增材制造激光定向能量沉积用钛及钛合金粉末	China National Standards direct	English PDF
GB/T 8152.11-2023	Methods for chemical analysis of lead concentrates - Part 11: Determination of mercury content - Atomic fluorescence spectrometry and solid injection direct method 铅精矿化学分析方法第11部分：汞含量的测定原子荧光光谱法和固体进样直接法	China National Standards direct	English PDF
GB/T 21228.2-2023	Acoustics - Surface sound scattering properties - Part 2: Free-field directional diffusion coefficient measurement 声学表面声散射特性第2部分：自由场方向性扩散系数测量	China National Standards direct	English PDF
GB/T 42638-2023	Method for direct measurement of coal seam gas drainage radius in underground coal mine - Drainage volume method 煤矿井下煤层瓦斯抽采半径直接测定方法抽采量法	China National Standards direct	English PDF
GB/T 239.2-2023	Metallic materials - wire rods - Part 2: Test methods for bidirectional torsion 金属材料线材第2部分：双向扭转试验方法	China National Standards direct	English PDF
GB/T 239.1-2023	Metallic materials - wire rods - Part 1: Test method for unidirectional torsion 金属材料线材第1部分：单向扭转试验方法	China National Standards direct	English PDF
GB/T 20565-2022	Terminology of iron ore and direct reduced iron 铁矿石和直接还原铁术语	China National Standards direct	English PDF
GB/T 41230-2022	Dentistry—Digitizing devices for CAD/CAM systems for indirect dental restorations—Test methods for assessing accuracy 牙科学间接牙科修复体CAD/CAM系统数字化设备准确度评价试验方法	China National Standards direct	English PDF
GB/T 38812.4-2022	direct reduced iron - Determination of metallic iron content - Bromine-methanol titration 直接还原铁金属铁含量的测定溴-甲醇滴定法	China National Standards direct	English PDF
GB/T 42266-2022	Flexible porous polymeric materials - Laboratory evaluation of the combustion characteristics of small specimens in the horizontal direction under a small flame 柔性多孔聚合物材料小试样在小火焰下水平方向燃烧特性的实验室评估	China National Standards direct	English PDF
GB/T 41955-2022	Non-opening compression test method for multidirectional laminates of polymer matrix composites 聚合物基复合材料多向层合板无开孔压缩试验方法	China National Standards direct	English PDF
GB 15084-2022	Motor vehicles - Indirect vision devices - Performance and installation requirements 机动车辆间接视野装置性能和安装要求	China National Standards direct	English PDF
GB/T 41640-2022	Critical current measurement Second-generation high-temperature superconducting long tape critical current and its uniformity along the length direction 临界电流测量第二代高温超导长带临界电流及其沿长度方向均匀性测量	China National Standards direct	English PDF
GB/T 41689-2022	Soil Quality Methods for direct DNA Extraction from Soil Samples 土壤质量土壤样品直接提取DNA的方法	China National Standards direct	English PDF
GB/T 41762.2-2022	Fiber reinforced plastic composites - Determination of through-thickness properties of laminates - Part 2: Determination of elastic modulus, strength and Weibull size effect of carbon fiber unidirectional laminates by bending tests 纤维增强塑料复合材料层合板厚度方向性能的测定第2部分：弯曲试验测定碳纤维单向层合板的弹性模量、强度和威布尔尺寸效应	China National Standards direct	English PDF
GB/T 41977-2022	Packaging Labeling and direct product marking with 1D and 2D barcodes 包装一维条码和二维条码的标签和直接产品标记	China National Standards direct	English PDF
GB/T 29047-2021	Prefabricated directly buried insulating pipes and fittings with polyurethane foamed-plastics and high density polyethylene casing pipes 高密度聚乙烯外护管硬质聚氨酯泡沫塑料预制直埋保温管及管件	China National Standards direct	English PDF
GB/T 24673-2021	Small-size gasoline engine direct-link centrifugal pumps unit 小型汽油机直联离心泵机组	China National Standards direct	English PDF
GB/T 17934.8-2021	Graphic technology—Process control for the production of half-tone colour separations, proof and production prints—Part 8:Validation print processes working directly from digital data 印刷技术网目调分色版、样张和生产印刷品的加工过程控制第8部分：直接使用数字数据的验证印刷品制作过程	China National Standards direct	English PDF
GB/T 17934.7-2021	Graphic technology—Process control for the production of half-tone colour separations,proof and production prints—Part 7:Proofing processes working directly from digital data 印刷技术网目调分色版、样张和生产印刷品的加工过程控制第7部分：直接使用数字数据的打样过程	China National Standards direct	English PDF
GB/T 1551-2021	Test method for measuring resistivity of monocrystal silicon—In-line four-point probe and direct current two-point probe method 硅单晶电阻率的测定直排四探针法和直流两探针法	China National Standards direct	English PDF
GB/T 21548-2021	Methods of measurement of the high speed semiconductor lasers directly modulated for optical fiber communication systems 光通信用高速直接调制半导体激光器的测量方法	China National Standards direct	English PDF
GB/T 15000.7-2021	directives for the work of reference materials—Part 7:General requirements for the competence of reference material producers 标准样品工作导则第7部分：标准样品生产者能力的通用要求	China National Standards direct	English PDF
GB/T 39831-2021	Hydraulic fluid power—Four-port modular stack valves and four-port directional control valves, sizes 02, 03, 05, 07, 08 and 10—Clamping dimensions 液压传动规格02、03、05、07、08和10的四油口叠加阀和方向控制阀夹紧尺寸	China National Standards direct	English PDF
GB/T 2680-2021	Glass in building—Determination of light transmittance, solar direct transmittance, total solar energy transmittance, ultraviolet transmittance and related glazing factors 建筑玻璃可见光透射比、太阳光直接透射比、太阳能总透射比、紫外线透射比及有关窗玻璃参数的测定	China National Standards direct	English PDF
GB/T 41108.1-2021	Safety of machinery -- Safety requirements for interlocking devices -- Part 1: direct opening position switches 机械安全联锁装置的安全要求第1部分：直接断开位置开关	China National Standards direct	English PDF
GB/T 23810-2021	Commercial coal quality—Coal for direct liquefaction 商品煤质量　直接液化用煤	China National Standards direct	English PDF
GB/T 3681.2-2021	Plastics—Methods of exposure to solar radiation—Part 2: direct weathering and exposure behind window glass 塑料太阳辐射暴露试验方法第2部分：直接自然气候老化和暴露在窗玻璃后气候老化	China National Standards direct	English PDF
GB/T 1971-2021	Rotating electrical machines—Terminal markings and direction of rotation 旋转电机线端标志与旋转方向	China National Standards direct	English PDF
GB/T 19361-2021	Wire electrical discharge machines(unidirectional traveling type)—Testing of the accuracy 电火花线切割机床（单向走丝型）精度检验	China National Standards direct	English PDF
GB/T 40820-2021	Residual direct current detecting device (RDC-DD) to be used for mode 3 charging of electric vehicles 电动汽车模式3充电用直流剩余电流检测电器（RDC-DD）	China National Standards direct	English PDF
GB/T 38428.2-2021	direct current (DC) plugs and socket-outlets for information and communication technology (ICT) equipment installed in data centres and telecom central offices—Part 2: Plug and socket-outlet system for 5.2 kW 数据中心和电信中心机房安装的信息和通信技术（ICT）设备用直流插头插座　第2部分：5.2 kW插头插座系统	China National Standards direct	English PDF
GB/T 40865-2021	Terminology for voltage source converter based high voltage direct current(VSC-HVDC) transmission 柔性直流输电术语	China National Standards direct	English PDF
GB/T 8151.23-2020	Methods for chemical analysis of zinc concentrates—Part 23: Determination of mercury content—Solid sampling and direct mercury analysis method 锌精矿化学分析方法第23部分：汞含量的测定固体进样直接法	China National Standards direct	English PDF
GB/T 38878-2020	System tests for the projects of high-voltage direct current (HVDC) transmission power using voltage sourced converters (VSC) 柔性直流输电工程系统试验	China National Standards direct	English PDF
GB/T 38812.3-2020	direct reduced iron—Determination of silicon, manganese, phosphorus, vanadium, titanium, copper, aluminum, arsenic, magnesium, calcium, potassium and sodium content—Inductively coupled plasma atomic emission spectrometric method 直接还原铁硅、锰、磷、钒、钛、铜、铝、砷、镁、钙、钾、钠含量的测定电感耦合等离子体原子发射光谱法	China National Standards direct	English PDF
GB/T 38812.2-2020	direct reduced iron—Determination of metallic iron content—The potassium dichromate titrimetric method after decomposition of sample by ferric chloride 直接还原铁金属铁含量的测定三氯化铁分解重铬酸钾滴定法	China National Standards direct	English PDF
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 直接还原铁亚铁含量的测定三氯化铁分解重铬酸钾滴定法	China National Standards direct	English PDF
GB/T 38206.2-2020	Methods to assess the reliability of pneumatic components—Part 2: directional control valve 气动元件可靠性评估方法第2部分：换向阀	China National Standards direct	English PDF
GB/T 38585-2020	Technical specification of joint assembling for directly buried insulated pipeline of urban heating 城镇供热直埋管道接头保温技术条件	China National Standards direct	English PDF
GB/T 1.1-2020	directives for standardization—Part 1: Rules for the structure and drafting of standardizing documents 标准化工作导则第1部分：标准化文件的结构和起草规则	China National Standards direct	English PDF
GB/T 39572.1-2020	Bi-directional grid-connected power converters—Part 1: General requirements 并网双向电力变流器第1部分：通用要求	China National Standards direct	English PDF
GB/T 33014.7-2020	Road vehicles—Component test methods for electrical/electronic disturbances from narrowband radiated electromagnetic energy—Part 7:direct radio frequency power injection 道路车辆电气/电子部件对窄带辐射电磁能的抗扰性试验方法第7部分：射频功率直接注入法	China National Standards direct	English PDF
GB/T 20996.3-2020	Performance of high-voltage direct current (HVDC) systems with line-commutated converters—Part 3: Dynamic conditions 采用电网换相换流器的高压直流系统的性能第3部分：动态	China National Standards direct	English PDF
GB/T 20996.2-2020	Performance of high-voltage direct current (HVDC) systems with line-commutated converters—Part 2: Faults and switching 采用电网换相换流器的高压直流系统的性能第2部分：故障和操作	China National Standards direct	English PDF
GB/T 20996.1-2020	Performance of high-voltage direct current (HVDC) systems with line-commutated converters—Part 1: Steady-state conditions 采用电网换相换流器的高压直流系统的性能第1部分：稳态	China National Standards direct	English PDF
GB/T 20990.1-2020	Thyristor valves for high voltage direct current (HVDC)power transmission—Part1: Electrical testing 高压直流输电晶闸管阀第1部分：电气试验	China National Standards direct	English PDF
GB/T 15076.11-2020	Methods for chemical analysis of tantalum and niobium--Part 11: Determination of arsenic, antimony, lead, tin and bismuth contents in niobium--direct current arc atomic emission spectrometry 钽铌化学分析方法第11部分:铌中砷、锑、铅、锡和铋量的测定直流电弧原子发射光谱法	China National Standards direct	English PDF
GB/T 39462-2020	Safety guide for low voltage direct current system and equipment 低压直流系统与设备安全导则	China National Standards direct	English PDF
GB/T 39314-2020	General technical directives for aluminum alloy plaster investment casting 铝合金石膏型铸造通用技术导则	China National Standards direct	English PDF
GB/T 39253-2020	Additive manufacturing—Specification for directed energy deposition of metal materials 增材制造金属材料定向能量沉积工艺规范	China National Standards direct	English PDF
GB/T 1.2-2020	directives for standardization—Part 2:Drafting rules of standardizing documents based on ISO/IEC standardizing documents 标准化工作导则第2部分：以ISO/IEC标准化文件为基础的标准化文件起草规则	China National Standards direct	English PDF
GB/T 39426-2020	General technical specification for permanent magnetic direct drive motor vehicles of urban rail transit 城市轨道交通永磁直驱车辆通用技术条件	China National Standards direct	English PDF
GB/T 39425-2020	General technical specfication for the permanent magnetic direct drive motor bogie of urban rail transit 城市轨道交通车辆永磁直驱转向架通用技术条件	China National Standards direct	English PDF
GB/T 39484-2020	Fibre-reinforced plastic composites—Determination of the mode Ⅱ fracture resistanc for unidirectionally reinforced materials using the calibrated end-loaded split(C-ELS) test and an effective crack length approach 纤维增强塑料复合材料用校准端载荷分裂试验（C-ELS）和有效裂纹长度法测定单向增强材料的Ⅱ型断裂韧性	China National Standards direct	English PDF
GB/T 39246-2020	Prefabricated directly buried insulating fittings with seamless high density polyethylene casing pipe 高密度聚乙烯无缝外护管预制直埋保温管件	China National Standards direct	English PDF
GB/T 36805.2-2020	Plastics—Determination of tensile properties at high strain rates—Part 2: direct testing method 塑料高应变速率下的拉伸性能测定第2部分：直接测试法	China National Standards direct	English PDF
GB/T 37828-2019	Bidirectional metal to metal sealed butterfly valve for urban heating 城镇供热用双向金属硬密封蝶阀	China National Standards direct	English PDF
GB/T 38328-2019	Common specifications of high-voltage direct current circuit-breakers for high-voltage direct current transmission using voltage sourced converters（VSC-HVDC）柔性直流系统用高压直流断路器的共用技术要求	China National Standards direct	English PDF
GB/T 38328-2019	Common specifications of high-voltage direct current circuit-breakers for high-voltage direct current transmission using voltage sourced converters（VSC-HVDC）柔性直流系统用高压直流断路器的共用技术要求	China National Standards direct	English PDF
GB/T 15000.4-2019	directives for the work of reference materials—Part 4：Contents of certificates,labels and accompanying documentation 标准样品工作导则第4部分：证书、标签和附带文件的内容	China National Standards direct	English PDF
GB/T 15000.2-2019	directives for the work of reference materials—Part 2：Selected terms and definitions 标准样品工作导则第2部分：常用术语及定义	China National Standards direct	English PDF
GB/T 38428.1-2019	direct current (DC) plugs and socket-outlets for information and communication technology (ICT) equipment installed in data centres and telecom central offices—Part 1: General requirements 数据中心和电信中心机房安装的信息和通信技术（ICT）设备用直流插头插座　第1部分：通用要求	China National Standards direct	English PDF
GB/T 38369-2019	directional vibratory roller 定向振动压路机	China National Standards direct	English PDF
GB/T 15076.10-2019	Methods for chemical analysis of tantalum and niobium—Part 10:Determination of iron,nickel,chromium,titanium, zirconium,aluminum and manganese contents in niobium—direct current arc atomic emission spectrometry 钽铌化学分析方法第10部分:铌中铁、镍、铬、钛、锆、铝和锰量的测定直流电弧原子发射光谱法	China National Standards direct	English PDF
GB/T 38328-2019	Common specifications of high-voltage direct current circuit-breakers for high-voltage direct current transmission using voltage sourced converters（VSC-HVDC）柔性直流系统用高压直流断路器的共用技术要求	China National Standards direct	English PDF
GB/T 15000.4-2019	directives for the work of reference materials—Part 4：Contents of certificates,labels and accompanying documentation 标准样品工作导则第4部分：证书、标签和附带文件的内容	China National Standards direct	English PDF
GB/T 15000.2-2019	directives for the work of reference materials—Part 2：Selected terms and definitions 标准样品工作导则第2部分：常用术语及定义	China National Standards direct	English PDF
GB/T 10066.2-2019	Test methods for electroheating and electromagnetic processing installations—Part 2: direct arc furnaces 电热和电磁处理装置的试验方法第2部分：直接电弧炉	China National Standards direct	English PDF
GB/T 37501-2019	Brass wires for unidirectional travelling wire electrical-discharge machining in numerically controlled machines 数控机床用单向走丝电火花加工用黄铜线	China National Standards direct	English PDF
GB/T 37660-2019	Technical specification of power electronic devices for high-voltage direct current (HVDC) transmission using voltage sourced converters (VSC) 柔性直流输电用电力电子器件技术规范	China National Standards direct	English PDF
GB/T 37525-2019	Calculation guideline for solar direct radiation 太阳直接辐射计算导则	China National Standards direct	English PDF
GB/T 37517-2019	Animal and vegetable fats and oils—Determination of solid fat content by pulsed NMR—Indirect method 动植物油脂脉冲核磁共振法测定固体脂肪含量间接法	China National Standards direct	English PDF
GB/T 36955-2018	Technical specification for pre-insertion resistor of high- voltage direct current transmission using voltage sourced converters (VSC-HVDC) 柔性直流输电用启动电阻技术规范	China National Standards direct	English PDF
GB/T 36956-2018	Testing of voltage sourced converter valve base control unit for high-voltage direct current power transmission using voltage sourced converters 柔性直流输电用电压源换流器阀基控制设备试验	China National Standards direct	English PDF
GB/T 37013-2018	Maintenance specification of transmission line of voltage-source converter based high voltage direct current (VSC-HVDC) 柔性直流输电线路检修规范	China National Standards direct	English PDF
GB/T 37015.2-2018	Performance of high-voltage direct current power transmission system using voltage sourced converters (VSC-HVDC)—Part 2: Transient-state 柔性直流输电系统性能-第2部分：暂态	China National Standards direct	English PDF
GB/T 37015.1-2018	Performance of high-voltage direct current power transmission system using voltage sourced converters (VSC-HVDC)—Part1: Steady-state 柔性直流输电系统性能-第1部分：稳态	China National Standards direct	English PDF
GB/T 37012-2018	Technical specification of earthing equipment for high-voltage direct current(HVDC) transmission using voltage sourced converters(VSC) 柔性直流输电接地设备技术规范	China National Standards direct	English PDF
GB/T 37010-2018	Technical specification of converter valves for high-voltage direct current power transmission using voltage sourced converters 柔性直流输电换流阀技术规范	China National Standards direct	English PDF
GB/T 5173-2018	Surface active agents—Detergents—Determination of anionic-active matter content—direct two-phase titration procedure 表面活性剂-洗涤剂-阴离子活性物含量的测定-直接两相滴定法	China National Standards direct	English PDF
GB/T 5174-2018	Surface active agents—Detergents—Determination of cationic-active matter content—direct two-phase titration procedure 表面活性剂-洗涤剂-阳离子活性物含量的测定-直接两相滴定法	China National Standards direct	English PDF
GB/T 37263-2018	Prefabricated directly buried insulating plastic-steel-plastic composite pipes with polyurethane [PUR]foamed-plastics and high density polyethylene [PE]casing pipes 高密度聚乙烯外护管聚氨酯发泡预制直埋保温钢塑复合管	China National Standards direct	English PDF
GB/T 36177-2018	directives for standard formulation of domestic animal breeds—Poultry 畜禽品种标准编制导则家禽	China National Standards direct	English PDF

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