中華人民共和國國家標準(中國大陸GB標準)英文版 |
GB標準是中華人民共和國國家標準,也叫GB國標,是中國大陸強制執行的國家標準,所有中國大陸境內銷售的商品及提供服務都必須符合GB國家標準的要求,包括進口商品及服務; 本網站提供GB國家標準的查詢檢索,英文版翻譯,GB標準產品檢測檢驗及合規性分析服務; |
GB/T 43174-2023 农药种子处理制剂附着性测定方法(中英文版) Method for determination of adhesion of pesticide seed treatment preparations |
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GB/Z 43032-2023 纳米技术 水样中金属与金属氧化物纳米物体表征 样品制备方法(中英文版) Nanotechnology Characterization of metal and metal oxide nano-objects in water samples Sample preparation methods |
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GB/T 10322.1-2023 铁矿石 取样和制样方法(中英文版) Iron Ore Sampling and Preparation Methods |
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GB/T 603-2023 化学试剂 试验方法中所用制剂及制品的制备(中英文版) Chemical reagents Preparation of preparations and articles used in test methods |
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GB/T 26968-2023 饲料机械 产品型号编制方法(中英文版) Feed machinery product model preparation method |
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GB/T 5275.6-2023 气体分析 动态法制备校准用混合气体 第6部分:临界流锐孔(中英文版) Gas analysis - Preparation of calibration gas mixtures by dynamic method - Part 6: Critical flow orifice |
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GB/T 5275.2-2022 气体分析 动态法制备校准用混合气体 第2部分:活塞泵(中英文版) Gas analysis - Preparation of calibration gas mixtures by dynamic method - Part 2: Piston pumps |
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GB/T 28879-2022 电工仪器仪表产品型号编制方法(中英文版) Model preparation method of electrical instruments and meters |
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GB/T 40503-2021 选煤厂次生煤泥量的测定方法(中英文版) Measuring methods of secondary coal slime content in coal preparation plant |
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GB/T 4214.11-2021 家用和类似用途电器噪声测试方法 电动食品加工器具的特殊要求(中英文版) Test method for noise of household and similar electrical appliances—Particular requirements for electrically-operated food preparation appliances |
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GB/T 1727-2021 漆膜一般制备法(中英文版) General methods for preparation of coating films |
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GB/T 13449-2021 金块矿取样和制样方法(中英文版) Method for sampling and sample preparation of gold lump ores |
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GB/T 41074-2021 微束分析 用于波谱和能谱分析的粉末试样制备方法(中英文版) Microbeam analysis -- Method of specimen preparation for analysis of general powders using WDS and EDS |
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GB/T 38787-2020 塑料 材料生物分解试验用样品制备方法(中英文版) Plastics—Methods for the preparation of samples for biodegradation testing of plastic materials |
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GB/T 38523-2020 混合气体的制备 压力法(中英文版) Preparation of mixed gas pressure method |
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GB/T 39292-2020 废钯炭分析用取样和制样方法(中英文版) Method of sampling and sample preparation for analysis of palladium carbon wastes |
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GB/T 37597-2019 电动食品加工器具 性能测试方法(中英文版) Electrically operated food preparation appliances—Methods for measuring the performance |
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GB/T 5274.1-2018 气体分析 校准用混合气体的制备 第1部分:称量法制备一级混合气体(中英文版) Gas analysis—Preparation of calibration gas mixtures—Part 1:Gravimetric method for class I mixtures |
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GB/T 35814-2018 林业生物质原料分析方法 样品处理方法(中英文版) Method for analysis of forestry biomass—Preparation of samples |
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GB/T 36167-2018 选煤实验室分步释放浮选试验方法(中英文版) Method for coal preparation laboratory timed-release flotation analysis |
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GB/T 35052-2018 选煤厂重介质旋流器悬浮液中磁性物含量的测定方法(中英文版) Magnetite content measurement method for heavy medium suspension used in heavy medium cyclones in coal preparation plant |
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GB/T 34164-2017 选煤厂浮选工艺效果评定方法(中英文版) Method for evaluation of flotation technological performance in coal preparation plant |
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GB/T 33689-2017 选煤试验方法一般规定(中英文版) General rules for testing methods of coal preparation |
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GB/T 33688-2017 选煤磁选设备工艺效果评定方法(中英文版) Evaluation method for performance of coal preparation magnetic separator |
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GB/T 35171-2017 水泥窑协同处置的生活垃圾预处理可燃物取样和样品制备方法(中英文版) Methods for sampling and sample preparation of CMSW for coprocessing in cement kiln |
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GB/T 2291-2016 煤沥青实验室试样的制备方法(中英文版) Method for preparation of coal tar pitch specimens |
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GB/T 32554-2016 萤石 校核取样偏差的试验方法(中英文版) Fluorspar—Experimental methods for checking the bias of sampling and sample preparation |
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GB/T 32553-2016 萤石 取样和制样精密度的试验方法(中英文版) Fluorspar—Method of determining the precision of sampling and sample preparation |
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GB/T 25774.2-2016 焊接材料的检验 第2部分:钢的单面单道焊和双面单道焊焊接接头力学性能试样的制备及检验(中英文版) Test methods for welding consumables—Part 2: Preparation of single-run and two-run technique test specimens in steel |
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GB/T 31981-2015 钛及钛合金化学成分分析取制样方法(中英文版) Methods of sampling and sample preparation for chemical composition analysis of titanium and titanium alloy |
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GB/T 5275.2-2014 气体分析 动态体积法制备校准用混合气体 第2部分:容积泵(中英文版) Gas analysis―Preparation of calibration gas mixtures using dynamic volumetric methods―Part 2: Volumetric pumps |
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GB/T 5275.11-2014 气体分析 动态体积法制备校准用混合气体 第11部分:电化学发生法(中英文版) Gas analysis―Preparation of calibration gas mixtures using dynamic volumetric methods―Part 11: Electrochemical generation |
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GB/T 5275.9-2014 气体分析 动态体积法制备校准用混合气体 第9部分:饱和法(中英文版) Gas analysis―Preparation of calibration gas mixtures using dynamic volumetric methods―Part 9: Saturation method |
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GB/T 5275.1-2014 气体分析 动态体积法制备校准用混合气体 第1部分:校准方法(中英文版) Gas analysis―Preparation of calibration gas mixtures using dynamic volumetric methods―Part 1: Methods of calibration |
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GB/T 5275.5-2014 气体分析 动态体积法制备校准用混合气体 第5部分:毛细管校准器(中英文版) Gas analysis―Preparation of calibration gas mixtures using dynamic volumetric methods―Part 5: Capillary calibration devices |
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GB/T 5275.6-2014 气体分析 动态体积法制备校准用混合气体 第6部分:临界锐孔(中英文版) Gas analysis―Preparation of calibration gas mixtures using dynamic volumetric methods―Part 6: Critical orifices |
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GB/T 5275.8-2014 气体分析 动态体积法制备校准用混合气体 第8部分:扩散法(中英文版) Gas analysis―Preparation of calibration gas mixtures using dynamic volumetric methods―Part 8: Diffusion method |
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GB/T 5275.7-2014 气体分析 动态体积法制备校准用混合气体 第7部分:热式质量流量控制器(中英文版) Gas analysis―Preparation of calibration gas mixtures using dynamic volumetric methods―Part 7: Thermal mass-flow controllers |
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GB/T 5275.4-2014 气体分析 动态体积法制备校准用混合气体 第4部分:连续注射法(中英文版) Gas analysis—Preparation of calibration gas mixtures using dynamic volumetric methods—Part 4: Continuous syringe injection method |
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GB/T 30119-2013 原子吸收测量用校准溶液制备方法(中英文版) Preparation method of calibration solution for atomic absorption measurement |
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GB/T 4414-2013 包装钨精矿取样、制样方法(中英文版) Methods of sampling and sample preparation of tungsten concentrates in bags |
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GB/T 13288.4-2013 涂覆涂料前钢材表面处理 喷射清理后的钢材表面粗糙度特性 第4部分:ISO表面粗糙度比较样块的校准和表面粗糙度的测定方法 触针法(中英文版) Preparation of steel substrates before application of paints and related products - Surface roughness characteristics of blast-cleaned substrates - Part 4: Method for the calibration of ISO surface profile comparator and for the determination of surface p |
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GB/T 29517-2013 散装铬矿石手工制样方法(中英文版) Method for manual sample preparation of chrome ores in bulk |
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GB/T 8072-2012 温石棉取样、制样方法(中英文版) Method of sampling and preparation for chrysotile asbestos |
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GB/T 28730-2012 固体生物质燃料样品制备方法(中英文版) Method for preparation of solid biofuels sample |
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GB/T 13288.2-2011 涂覆涂料前钢材表面处理 喷射清理后的钢材表面粗糙度特性 第2部分:磨料喷射清理后钢材表面粗糙度等级的测定方法 比较样块法(中英文版) Preparation of steel substrates before application of paints and related products - Surface roughness characteristics of blast-cleaned substrates - Part 2: Method for the grading of surface profile of abrasive blast-cleaned steel - Comparator procedure |
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GB/T 27722-2011 木浆备料系统能量平衡及能量效率计算方法(中英文版) Calculation method of energy equilibrium and energy efficiency in the raw material preparation system of wood pulp |
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GB/T 18570.6-2011 涂覆涂料前钢材表面处理 表面清洁度的评定试验 第6部分:可溶性杂质的取样 Bresle法(中英文版) Preparation of steel substrates before application of paints and related products -Tests for the assessment of surface cleanliness - Part6: Extraction of soluble contaminants for analysis -The Bresle method |
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GB/T 27707-2011 草浆备料系统能量平衡及能量效率计算方法(中英文版) Calculation method of energy equilibrium and energy efficiency in the raw material preparation system of straw pulp |
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GB/T 27503-2011 电导率仪的试验溶液 氯化钠溶液制备方法(中英文版) Test solutions of electrolytic conductivity analyzer - Preparation method of sodium chloride solutions |
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GB/T 27502-2011 电导率测量用校准溶液制备方法(中英文版) Preparation method of reference solutions for the measurement of conductivity |
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GB/T 27501-2011 pH值测定用缓冲溶液制备方法(中英文版) Preparation method of buffer solutions for the measurement of pH value |
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GB/T 26919-2011 选煤厂 煤泥水自然沉降试验方法(中英文版) Coal preparation plant - Methods for the natural falling testing of slurry |
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GB/T 26918-2011 选煤厂 煤的转筒泥化试验方法(中英文版) Coal preparation plant - Test methods for degradation in water of raw coal feed in drum |
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GB/T 26812-2011 离子选择电极校准溶液制备方法(中英文版) Preparation method of reference solutions for the measurement of ion selective electrodes |
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GB/T 25774.1-2010 焊接材料的检验 第1部分:钢、镍及镍合金熔敷金属力学性能试样的制备及检验(中英文版) Test methods for welding consumables - Part 1: Preparation and testing of deposited metal specimens for mechanical properties in steel,nickel and nickel alloys |
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GB/T 14263-2010 散装浮选铜精矿取样、制样方法(中英文版) Methods for sampling and sample preparation of flotation copper concentrates in bulk |
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GB/T 14262-2010 散装浮选铅精矿取样、制样方法(中英文版) Methods for sampling and sample preparation of flotation lead concentrates in bulk |
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GB/T 14261-2010 散装浮选锌精矿取样、制样方法(中英文版) Methods for sampling and sample preparation of flotation zinc concentrates in bulk |
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GB/T 25777-2010 焊接材料熔敷金属化学分析试样制备方法(中英文版) Preparation methods for deposited metal specimens of chemical analysis |
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GB/T 25774.3-2010 焊接材料的检验 第3部分:T型接头角焊缝试样的制备及检验(中英文版) Test methods for welding consumables - Part 3: Preparation and testing of a fillet weld specimens for T-joint |
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GB/T 25151.4-2010 尿素高压设备制造检验方法 第4部分:尿素级超低碳铬镍钼奥氏体不锈钢晶间腐蚀倾向试验的试样制取(中英文版) Fabrication and inspection method for high pressure urea equipment - Part 4: Intergranular corrosion tendency test specimen preparation for ultra low-carbon chromated nickel molybdenum austenitic stainless steel of urea grade |
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GB/T 24326-2009 纸浆 物理试验用实验室纸页的制备 快速凯塞法(中英文版) Pulps - Preparation of laboratory sheets for physical testing - Rapid-Kothen method |
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GB/T 24324-2009 纸浆 物理试验用实验室纸页的制备 常规纸页成型器法(中英文版) Pulps - Preparation of laboratory sheets for physical testing - Conventional sheet-former method |
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GB/T 24232-2009 锰矿石和铬矿石 校核取样和制样偏差的试验方法(中英文版) Manganese and chromium ores - Experimental methods for checking the bias of sampling and sample preparation |
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GB/T 5275.10-2009 气体分析 动态体积法制备校准用混合气体 第10部分:渗透法(中英文版) Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 10: Permeation method |
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GB/T 18570.11-2009 涂覆涂料前钢材表面处理 表面清洁度的评定试验 第11部分:水溶性硫酸盐的现场浊度测定法(中英文版) Preparation of steel substrates before application of paints and related products - Tests for the assessment of surface cleanliness - Part 11: Field method for the turbidimetric determination of water-soluble sulfate |
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GB/T 13288.5-2009 涂覆涂料前钢材表面处理 喷射清理后的钢材表面粗糙度特性 第5部分:表面粗糙度的测定方法 复制带法(中英文版) Preparation of steel substrates before application of paints and related products - Surface roughness characteristics of blast-cleaned steel substrates - Part 5: Replica tape method for the determination of the surface profile |
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GB/T 13288.3-2009 涂覆涂料前钢材表面处理 喷射清理后的钢材表面粗糙度特性 第3部分:ISO表面粗糙度比较样块的校准和表面粗糙度的测定方法 显微镜调焦法(中英文版) Preparation of steel substrates before application of paints and related products - Surface roughness characteristics of blast-cleaned steel substrates - Part 3: Method for the calibration of ISO surface profile comparators and for the determination of su |
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GB/T 14625.4-2008 篮球、足球、排球、手球试验方法 第4部分:试验条件与试样准备(中英文版) Test methods for basketball, football, volleyball and handball - Part 4: Test conditions and sample preparation |
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GB/T 22661.1-2008 氟硼酸钾化学分析方法 第1部分:试样的制备和贮存(中英文版) Chemical analysis methods of potassium fluoborade - Part 1: preparation and storage of test samples |
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GB/T 22660.1-2008 氟化锂化学分析方法 第1部分:试样的制备和贮存(中英文版) Chemical analysis methods of lithium fluoride - Part 1: Preparation and storage of test samples |
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GB/T 22662.1-2008 氟钛酸钾化学分析方法 第1部分:试样的制备和贮存(中英文版) Chemical analysis methods of potassium fluotitanate - Part 1: Preparation and storage of test samples |
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GB 474-2008 煤样的制备方法(中英文版) Method for preparation of coal sample |
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GB/T 2007.4-2008 散装矿产品取样、制样通则 偏差、精密度校核试验方法(中英文版) General rules for the sampling and sample preparation of minerals in bulk - Experimental methods for checking the precision and bias |
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GB/T 5274-2008 气体分析 校准用混合气体的制备 称量法(中英文版) Gas analysis - Preparation of calibration gas mixture - Gravimetric method |
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GB/T 16613-2008 塑料 试验用聚氯乙烯(PVC)糊的制备 分散器法(中英文版) Plastics - Preparation of PVC pastes for test purposes - Dissolver method |
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GB/T 21991-2008 塑料 试验用聚氯乙烯(PVC)糊的制备 行星混合器法(中英文版) Plastics - Preparation of PVC paste for test purpose - Planetary-mixer method |
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GB/T 18570.12-2008 涂覆涂料前钢材表面处理 表面清洁度的评定试验 第12部分: 水溶性铁离子的现场滴定测定法(中英文版) Preparation of steel substrates before application of paints and related products-Tests for the assessment of surface cleanliness - Part 12: Field method for the titrimetric determination of water-soluble ferrous ions |
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GB/T 18570.8-2005 涂覆涂料前钢材表面处理 表面清洁度的评定试验 第8部分:湿气的现场折射测定法(中英文版) Preparation of steel substrates before application of paints and related products-Tests for the assessment of surface cleanliness-Part 8:Field method for the refractometric determination of moisture |
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GB/T 18570.10-2005 涂覆涂料前钢材表面处理 表面清洁度的评定试验 第10部分:水溶性氯化物的现场滴定测定法(中英文版) Preparation of steel substrates before application of paints and related products-Tests for the assessment of surface cleanliness-Part 10:Field method for the titrimetric determination of water-soluble chloride |
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GB/T 18570.5-2005 涂覆涂料前钢材表面处理 表面清洁度的评定试验 第5部分:涂覆涂料前钢材表面的氯化物测定(离子探测管法)(中英文版) Preparation of steel substrates before application of paints and related products-Tests for the assessment of surface cleanliness-Part 5:Measurement of chloride on surfaces prepared for painting(ion detection tube method) |
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GB/T 18570.9-2005 涂覆涂料前钢材表面处理 表面清洁度的评定试验 第9部分:水溶性盐的现场电导率测定法(中英文版) Preparation of steel substrates before application of paints and related products-Tests for the assessment of surface cleanliness-Part 9:Field method for the conductometric determination of water-soluble salts |
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GB/T 19816.5-2005 涂覆涂料前钢材表面处理 喷射清理用金属磨料的试验方法 第5部分:缺陷颗粒百分比和微结构的测定(中英文版) Preparation of steel substrates before application of paints and related products-Test methods for metallic blast-cleaning abrasives-Part 5:Determination of percentage defective particles and of microstructure |
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GB/T 19816.6-2005 涂覆涂料前钢材表面处理 喷射清理用金属磨料的试验方法 第6部分:外来杂质的测定(中英文版) Preparation of steel substrates before application of paints and related products-Test methods for metallic blast-cleaning abrasives-Part 6:Determination of foreign matter |
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GB/T 19816.7-2005 涂覆涂料前钢材表面处理 喷射清理用金属磨料的试验方法 第7部分:含水量的测定(中英文版) Preparation of steel substrates before application of paints and related products-Test methods for metallic blast-cleaning abrasives-Part 7:Determination of moisture |
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GB/T 18570.3-2005 涂覆涂料前钢材表面处理 表面清洁度的评定试验 第3部分:涂覆涂料前钢材表面的灰尘评定(压敏粘带法)(中英文版) Preparation of steel substrates before application of paints and related products-Tests for the assessment of surface cleanliness-Part 3:Assessment of dust on steel surface prepared for painting(pressure-sensitive tape method) |
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GB/T 19816.4-2005 涂覆涂料前钢材表面处理 喷射清理用金属磨料的试验方法 第4部分:表观密度的测定(中英文版) Preparation of steel substrates before application of paints and related products-Test methods for metallic blast-cleaning abrasives-Part 4:Determination of apparent density |
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GB/T 19816.3-2005 涂覆涂料前钢材表面处理 喷射清理用金属磨料的试验方法 第3部分:硬度的测定(中英文版) Preparation of steel substrates before application of paints and related products-Test methods for metallic blast-cleaning abrasives-Part 3:Determination of hardness |
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GB/T 19816.2-2005 涂覆涂料前钢材表面处理 喷射清理用金属磨料的试验方法 第2部分:颗粒尺寸分布的测定(中英文版) Preparation of steel substrates before application of paints and related products-Test methods for metallic blast-cleaning abrasives-Part 2:Determination of particle size distribution |
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GB/T 19816.1-2005 涂覆涂料前钢材表面处理 喷射清理用金属磨料的试验方法 第1部分:抽样(中英文版) Preparation of steel substrates before application of paints and related products-Test methods for metallic blast-cleaning abrasives-Part 1:Sampling |
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GB/T 6058-2005 纤维缠绕压力容器制备和内压试验方法(中英文版) Test method for preparation and internal pressure testing of filament-wound pressure vessels |
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GB/T 10248-2005 气体分析 校准用混合气体的制备 静态体积法(中英文版) Gas analysis-Preparation of calibration gas mixtures-Static volumetric methods |
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GB/T 19494.2-2004 煤炭机械化采样 第2部分:煤样的制备(中英文版) Mechanical sampling of coal--Part 2:Method for sample preparation |
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GB/T 19495.7-2004 转基因产品检测 抽样和制样方法(中英文版) Detection of genetically modified organisms and derived products--Methods for sampling and sample preparation |
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GB/T 6609.23-2004 氧化铝化学分析方法和物理性能测定方法 试样的制备和贮存(中英文版) Chemical analysis methods and determination of physical performance of alumina--Preparation andstorage of test samples |
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GB/T 603-2002 化学试剂 试验方法中所用制剂及制品的制备(中英文版) Chemical reagent--Preparations of reagent solutions for use in test methods |
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GB/T 18839.3-2002 涂覆涂料前钢材表面处理 表面处理方法 手工和动力工具清理(中英文版) Preparation of steel substrates before application of paints and related products--Surface preparation methods--Hand-and power-tool cleaning |
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GB/T 18839.2-2002 涂覆涂料前钢材表面处理 表面处理方法 磨料喷射清理(中英文版) Preparation of steel substrates before application of paints and related products--Surface preparation methods--Abrasive blast-cleaning |
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GB/T 18839.1-2002 涂覆涂料前钢材表面处理 表面处理方法 总则(中英文版) Preparation of steel substrates before application of paints and related products--Surface preparation methods--General principles |
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GB/T 18712-2002 选煤用絮凝剂性能试验方法(中英文版) Methods for evaluating flocculants for use incoal preparation |
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GB/T 18711-2002 选煤用磁铁矿粉试验方法(中英文版) Magnetite for use in coal preparation--Test methods |
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GB/T 18249-2000 检查铁合金取样和制样偏差的试验方法(中英文版) Ferroalloys--Experimental methods for checking the bias of sampling and sample preparation |
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GB/T 17849-1999 涂覆涂料前钢材表面处理 喷射清理用非金属磨料的试验方法(中英文版) Preparation of steel substrates before application of paints and related products--Test methodsfor non-metallic blast-cleaning abrasives |
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GB/T 17366-1998 矿物岩石的电子探针分析试样的制备方法(中英文版) Methods of mineral and rock specimen preparation for EPMA |
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GB/T 17365-1998 金属与合金电子探针定量分析样品的制备方法(中英文版) Method of preparation for samples of metal and alloy in electron probe microanalysis |
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GB/T 16760-1997 制定消费品性能测试标准方法的总则(中英文版) Preparation of standard methods of measuring performance (SMMP) of consumer goods |
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GB/T 2460-1996 硫铁矿和硫精矿 采样与样品制备方法(中英文版) Pyrites and concentrate--Methods for sampling and preparation sample |
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GB/T 14070-1993 气体分析 校准用混合气体的制备 压力法(中英文版) Gas analysis--Preparation of calibration gas mixtures--Manometric method |
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GB/T 13449-1992 金块矿取样和制样方法 手工方法(中英文版) Gold lump ores--Increment sampling and sample preparation--Manual method |
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GB/T 12314-1990 感官分析方法 不能直接感官分析的样品制备准则(中英文版) Sensory analysis method--Guide lines for the preparation of samples for which direct sensory analysis is not feasible |
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GB/T 2008-1987 散装氟石取样、制样方法(中英文版) Method of sampling and sample preparation of fluorspar in bulk |
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GB/T 2007.1-1987 散装矿产品取样、制样通则 手工取样方法(中英文版) General rules for the sampling and sample preparation of minerals in bulk--Sampling by manual method |
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GB/T 2007.3-1987 散装矿产品取样、制样通则 评定品质波动试验方法(中英文版) General rules for the sampling and sample preparation of minerals in bulk--Experimental method for evaluation of quality variation |
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GB/T 2007.7-1987 散装矿产品取样、制样通则 粒度测定方法 手工筛分法(中英文版) General rules for the sampling and sample preparation of minerals in bulk--The method for determination of size by manual sieving |
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GB/T 2009-1987 散装矾土取样、制样方法(中英文版) Method of sampling and sample preparation of bauxite in bulk |
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GB/T 2010-1987 散装滑石取样、制样方法(中英文版) Method of sampling and sample preparation of talc in bulk |
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GB/T 2011-1987 散装锰矿石取样、制样方法(中英文版) Method of sampling and sample preparation of manganeseores in bulk |
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GB/T 2007.6-1987 散装矿产品取样、制样通则 水分测定方法 热干燥法(中英文版) General rules for thesampling and sample preparation of minerals in bulk--Determination of moisture content--Heat drying method |
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GB/T 2007.2-1987 散装矿产品取样、制样通则 手工制样方法(中英文版) General rules for the sampling and sample preparation of minerals in bulk--Sample preparation by manual method |
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GB/T 7146-1986 袋装锑矿石取样、制样方法(中英文版) Methods of sampling and sample preparation ofantimony ores in bags |
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GB/T 6730.1-1986 铁矿石化学分析方法 分析用预干燥试样的制备(中英文版) Methods for chemical analysis of iron ores--Preparation of predried test samples for chemical analysis |
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GB/T 2291-1980 煤沥青试验室试样的制备方法(中英文版) Method for preparation of coal tar pitchs specimens |
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