China si GB Standards English PDF List

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China "si" GB Standards English PDF List:

Standard Code	Standard Title	Standard Class	Order
GB/T 6901-2017	Chemical analysis of silica refractories 硅质耐火材料化学分析方法	China National Standards si	English PDF
GB/T 20899.13-2017	Methods for chemical analysis of gold ores-Part 13: Determination of lead,zinc,bismuth,cadminum,chromium,arsenic and mercury contents —Inductively coupled plasma atomic emission spectrometry 金矿石化学分析方法第13部分：铅、锌、铋、镉、铬、砷和汞量的测定电感耦合等离子体原子发射光谱法	China National Standards si	English PDF
GB/T 34326-2017	Surface chemical analysis—Depth profiling—Methods for ion beam alignment and the associated measurement of current or current density for depth profiling in AES and XPS 表面化学分析深度剖析 AES和XPS深度剖析时离子束对准方法及其束流或束流密度测量方法	China National Standards si	English PDF
GB/T 4698.27-2017	Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 27：Determination of neodymium content—Inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第27部分：钕量的测定电感耦合等离子体原子发射光谱法	China National Standards si	English PDF
GB/T 4698.3-2017	Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 3：Determination of silicon content—Molybdenum blue spectrophotometry 海绵钛、钛及钛合金化学分析方法第3部分：硅量的测定钼蓝分光光度法	China National Standards si	English PDF
GB/T 4698.22-2017	Methods for chemical analysis of titanium sponge ,titanium and titanium alloys—Part 22：Determination of niobium content—5-Br-PADAP spectrophotometry and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第22部分：铌量的测定 5-Br-PADAP分光光度法和电感耦合等离子体原子发射光谱法	China National Standards si	English PDF
GB/T 4698.28-2017	Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 28：Determination of ruthenium content—Inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第28部分：钌量的测定电感耦合等离子体原子发射光谱法	China National Standards si	English PDF
GB/T 4698.1-2017	Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 1：Determination of copper content—Flame atomic absorption spectrometry 海绵钛、钛及钛合金化学分析方法第1部分：铜量的测定火焰原子吸收光谱法	China National Standards si	English PDF
GB/T 702-2017	Hot-rolled steel bars—Dimensions,shape,weight and tolerances 热轧钢棒尺寸、外形、重量及允许偏差	China National Standards si	English PDF
GB/T 1819.11-2017	Methods for chemical analysis of tin concentrates—Part 11：Determination of aluminium oxide content—Chromazuzal S spectrophotometric method 锡精矿化学分析方法第11部分：三氧化二铝量的测定铬天青S分光光度法	China National Standards si	English PDF
GB/T 4157-2017	Laboratory testing of metals for resistance to sulfide stress cracking and stress corrosion cracking in H2S environment 金属在硫化氢环境中抗硫化物应力开裂和应力腐蚀开裂的实验室试验方法	China National Standards si	English PDF
GB/T 34383-2017	Semi-straight side press 半闭式压力机	China National Standards si	English PDF
GB/T 34391-2017	Reciprocating positive displacement pump for petroleum, petrochemical and natural gas industries 石油、石化和天然气工业用往复泵	China National Standards si	English PDF
GB/T 21334-2017	Classification and planning fundamental requirements of logistics park 物流园区分类与规划基本要求	China National Standards si	English PDF
GB/T 29024.4-2017	Determination of particle size distribution－Single particle light interaction methods－Part 4: Light scattering airborne particle counter for clean spaces 粒度分析单颗粒的光学测量方法第4部分：洁净间光散射尘埃粒子计数器	China National Standards si	English PDF
GB/T 34362-2017	Non-destructive testing—Guide for eddy current testing using conformable sensor arrays 无损检测适形阵列涡流检测导则	China National Standards si	English PDF
GB/T 34428.3-2017	Communication rules of the devices of surveillance and control system for expressway—Part 3：LED changeable message sign 高速公路监控设施通信规程第3部分：LED可变信息标志	China National Standards si	English PDF
GB/T 1303.5-2017	Industrial rigid laminated sheets based on thermosetting resins for electrical purposes—Part 5: Requirements for rigid laminated sheets based on melamine resins 电气用热固性树脂工业硬质层压板第5部分：三聚氰胺树脂硬质层压板	China National Standards si	English PDF
GB/T 5019.12-2017	Specification for insulating materials based on mica— Part 12：Glass fabric backup epoxy dry mica tape with high porosity 以云母为基的绝缘材料第12部分：高透气性玻璃布补强环氧少胶云母带	China National Standards si	English PDF
GB/T 34569-2017	simulation training system for live working 带电作业仿真训练系统	China National Standards si	English PDF
GB/T 17799.1-2017	Electromagnetic compatibility—Generic standards—Immunity for residential, commercial and light-industrial environments 电磁兼容通用标准居住、商业和轻工业环境中的抗扰度	China National Standards si	English PDF
GB/T 2099.9-2017	Plugs and socket-outlets for household and similar purposes—Part 2-9: Particular requirements for socket-outlets for information 家用和类似用途插头插座第2-9部分：信息插座的特殊要求	China National Standards si	English PDF
GB/T 17587.1-2017	Ball screws—Part 1: Vocabulary and designation 滚珠丝杠副第1部分：术语和符号	China National Standards si	English PDF
GB/T 20021-2017	Heat resistant conveyor belts of duck construction 帆布芯耐热输送带	China National Standards si	English PDF
GB/T 34582-2017	single cell and stack performance test methods for solid oxide fuel cells (SOFC) 固体氧化物燃料电池单电池和电池堆性能试验方法	China National Standards si	English PDF
GB/T 34640.1-2017	Classification and recycling and utilization of wrought aluminium and aluminium alloy scraps—Part 1：Classification of scraps 变形铝及铝合金废料分类、回收与利用第1部分：废料的分类	China National Standards si	English PDF
GB/T 4698.20-2017	Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 4：Determination of manganese content—Potassium periodate spectrophotometry and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第4部分：锰量的测定高碘酸盐分光光度法和电感耦合等离子体原子发射光谱法	China National Standards si	English PDF
GB/T 13747.15-2017	Methods for chemical analysis of zirconium and zirconium alloys—Part 15：Determination of boron content—Curcumin spectrophotometry 锆及锆合金化学分析方法第15部分：硼量的测定姜黄素分光光度法	China National Standards si	English PDF
GB/T 4698.19-2017	Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 19：Determination of molybdenum content—Thiocyanate-differential spectrophotometry 海绵钛、钛及钛合金化学分析方法第19部分：钼量的测定硫氰酸盐示差光度法	China National Standards si	English PDF
GB/T 4698.5-2017	Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 5：Determination of molybdenum content—Thiocyanate spectrophotometry and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第5部分：钼量的测定硫氰酸盐分光光度法和电感耦合等离子体原子发射光谱法	China National Standards si	English PDF
GB/T 13747.21-2017	Methods for chemical analysis of zirconium and zirconium alloys—Part 21：Determination of hydrogen content—Inert gas fusion-infrared absorption or thermal conductivity method 锆及锆合金化学分析方法第21部分：氢量的测定惰气熔融红外吸收法/热导法	China National Standards si	English PDF
GB/T 13747.8-2017	Methods for chemical analysis of zirconium and zirconium alloys—Part 8：Determination of cobalt content—Nitroso-R-salt spectrophotometry 锆及锆合金化学分析方法第8部分：钴量的测定亚硝基R盐分光光度法	China National Standards si	English PDF
GB/T 15022.8-2017	Resin based reactive compounds used for electrical insulation— Part 8：Epoxy modified unsaturated polyester vacuum pressure impregnation (VPI) resin 电气绝缘用树脂基活性复合物第8部分：环氧改性不饱和聚酯真空压力浸渍(VPI)树脂	China National Standards si	English PDF
GB/T 34574-2017	Limits and measurements of electromagnetic emission for high-speed train 高速列车电磁发射限值与测量	China National Standards si	English PDF
GB/T 1819.17-2017	Methods for chemical analysis of tin concentrates—Part 17：Determination of mercury content—Atomic fluorescence spectrometric method 锡精矿化学分析方法第17部分：汞量的测定原子荧光光谱法	China National Standards si	English PDF
GB/T 1819.15-2017	Methods for chemical analysis of tin concentrates—Part 15：Determination of fluorine content—The ion-selective electrode method 锡精矿化学分析方法第15部分：氟量的测定离子选择电极法	China National Standards si	English PDF
GB/T 6883-2017	Cemented carbide sintering body for wire, bar or tube drawing dies—Dimensions 线、棒、管拉模用硬质合金烧结品尺寸	China National Standards si	English PDF
GB/T 13747.11-2017	Methods for chemical analysis of zirconium and zirconium alloys—Part 11: Determination of molybdenum content—Thiocyanate spectrophotometry 锆及锆合金化学分析方法第11部分：钼量的测定硫氰酸盐分光光度法	China National Standards si	English PDF
GB/T 34640.3-2017	Classification and recycling and utilization of wrought aluminium and aluminium alloy scraps—Part 3：Utilization of scraps 变形铝及铝合金废料分类、回收与利用第3部分：废料的利用	China National Standards si	English PDF
GB/T 34640.2-2017	Classification and recycling and utilization of wrought aluminium and aluminium alloy scraps—Part 2：Recycling of scraps 变形铝及铝合金废料分类、回收与利用第2部分：废料的回收	China National Standards si	English PDF
GB/T 1819.7-2017	Methods for chemical analysis of tin concentrates—Part 7:Determination of bismuth content—Flame atomic absorption spectrometric method 锡精矿化学分析方法第7部分：铋量的测定火焰原子吸收光谱法	China National Standards si	English PDF
GB/T 34643-2017	sintered metal porous materials—Determination of air filter permeability 烧结金属多孔材料气体过滤性能的测定	China National Standards si	English PDF
GB/T 34647-2017	Temper designation system for titanium and titanium alloy 钛及钛合金产品状态代号	China National Standards si	English PDF
GB/T 34646-2017	sintered metal membrane filter materials and elements 烧结金属膜过滤材料及元件	China National Standards si	English PDF
GB/T 6886-2017	sintered stainless steel filter elements 烧结不锈钢过滤元件	China National Standards si	English PDF
GB/T 4698.8-2017	Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 8：Determination of aluminum content—Separation with sodium hydroxide-EDTA complex-metric titration and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第8部分：铝量的测定碱分离-EDTA络合滴定法和电感耦合等离子体原子发射光谱法	China National Standards si	English PDF
GB/T 13747.13-2017	Methods for chemical analysis of zirconium and zirconium alloys—Part 13: Determination of lead content—Polarography 锆及锆合金化学分析方法第13部分：铅量的测定极谱法	China National Standards si	English PDF
GB/T 34372-2017	Walking tractor—Drawbar dimensions and power take-off types 手扶拖拉机牵引装置尺寸及动力输出装置型式	China National Standards si	English PDF
GB/T 1819.13-2017	Methods for chemical analysis of tin concentrates—Part 13: Determination of magnesium oxide content,calcium oxide content—Flame atomic absorption spectrometric method 锡精矿化学分析方法第13部分：氧化镁、氧化钙量的测定火焰原子吸收光谱法	China National Standards si	English PDF
GB/T 34634-2017	Geometrical product specifications (GPS)—Measurement of linear sizes (500 mm-10000 mm) of plain workpiece—Choice of measuring instrument 产品几何技术规范(GPS) 光滑工件尺寸(500mm～10000mm)测量计量器具选择	China National Standards si	English PDF
GB/T 18916.32-2017	Norm of water intake—Part 32：Iron ore mineral processing 取水定额第32部分：铁矿选矿	China National Standards si	English PDF
GB/T 1819.8-2017	Methods for chemical analysis of tin concentrates—Part 8：Determination of zinc content—Flame atomic absorption spectrometric method 锡精矿化学分析方法第8部分：锌量的测定火焰原子吸收光谱法	China National Standards si	English PDF
GB/T 4698.18-2017	Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 18：Determination of tin content—Flame atomic absorption spectrometry 海绵钛、钛及钛合金化学分析方法第18部分：锡量的测定火焰原子吸收光谱法	China National Standards si	English PDF
GB/T 4698.24-2017	Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 24：Determination of nickel content—Dimethylglyoxime spectrophotometry and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第24部分：镍量的测定丁二酮肟分光光度法和电感耦合等离子体原子发射光谱法	China National Standards si	English PDF
GB/T 1819.10-2017	Methods for chemical analysis of tin concentrates—Part 10: Determination of sulfur content—High frequency combustion with infrared absorption method and potassium iodate titrimetric method 锡精矿化学分析方法第10部分：硫量的测定高频感应炉燃烧红外吸收法和碘酸钾滴定法	China National Standards si	English PDF
GB/T 4698.9-2017	Methods for chemical analysis of titanium sponge,titanium and titanium alloys—Part 9：Determination of tin content—Potassium iodate titration and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第9部分：锡量的测定碘酸钾滴定法和电感耦合等离子体原子发射光谱法	China National Standards si	English PDF
GB/T 34619-2017	Test method for volumetric flow of positive displacement refrigerant compressors 容积式制冷剂压缩机容积流量试验方法	China National Standards si	English PDF
GB/T 34630.2-2017	Friction stir welding—Aluminium and its alloys—Part 2：Design of weld joints 搅拌摩擦焊铝及铝合金第2部分：焊接接头设计	China National Standards si	English PDF
GB/T 34445-2017	Test method of hot-tack property for heat sealing surfaces of thermoplastic polymer and thermoplastic composite material 热塑性塑料及其复合材料热封面热粘性能测定	China National Standards si	English PDF
GB/T 1479.3-2017	Metallic powders－Determination of apparent density－Part 3: Oscillating funnel method 金属粉末松装密度的测定第3部分：振动漏斗法	China National Standards si	English PDF
GB/T 13747.14-2017	Methods for chemical analysis of zirconium and zirconium alloys—Part 14：Determination of uranium content—Polarography 锆及锆合金化学分析方法第14部分：铀量的测定极谱法	China National Standards si	English PDF
GB/T 13747.19-2017	Methods for chemical analysis of zirconium and zirconium alloys—Part19：Determination of titanium content—Diantipyrylmethane spectrophotometry and the inductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法第19部分：钛量的测定二安替比林甲烷分光光度法和电感耦合等离子体原子发射光谱法	China National Standards si	English PDF
GB/T 13747.16-2017	Methods for chemical analysis of zirconium and zirconium alloys—Part 16：Determination of chloric content—Silver chloride nephelometry and ion selective electrode method 锆及锆合金化学分析方法第16部分：氯量的测定氯化银浊度法和离子选择性电极法	China National Standards si	English PDF
GB/T 13747.25-2017	Methods for chemical analysis of zirconium and zirconium alloys—Part 25：Determination of niobium content—2-(5-bromo-2-pyridylazo)-5-diethylam inophenol spectrophotometry and inductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法第25部分：铌量的测定 5-Br-PADAP分光光度法和电感耦合等离子体原子发射光谱法	China National Standards si	English PDF
GB/T 13747.17-2017	Methods for chemical analysis of zirconium and zirconium alloys—Part 17：Determination of cadmium content—Polarography 锆及锆合金化学分析方法第17部分：镉量的测定极谱法	China National Standards si	English PDF
GB/T 19587-2017	Determination of the specific surface area of solids by gas adsorption using the BET method 气体吸附BET法测定固态物质比表面积	China National Standards si	English PDF
GB/T 5754.2-2017	Steel cord conveyor belts—Longitudinal traction test—Part 2: Measurement of tensile strength 钢丝绳芯输送带纵向拉伸试验第2部分：拉伸强度的测定	China National Standards si	English PDF
GB/T 13747.22-2017	Methods for chemical analysis of zirconium and zirconium alloys—Part 22：Determination of oxygen and nitrogen contents—Inert gas fusion-infrared absorption and thermal conductivity method 锆及锆合金化学分析方法第22部分：氧量和氮量的测定惰气熔融红外吸收法/热导法	China National Standards si	English PDF
GB/T 13747.24-2017	Methods for chemical analysis of zirconium and zirconium alloys—Part 24：Determination of carbon content—Infrared absorption method after high frequency combustion 锆及锆合金化学分析方法第24部分：碳量的测定高频燃烧红外吸收法	China National Standards si	English PDF
GB/T 13747.1-2017	Methods for chemical analysis of zirconium and zirconium alloys—Part 1：Determination of tin content—Potassium iodate titration and phenylfluorone-polyethylene glycoloctyl phenyl ether spectrophotometry 锆及锆合金化学分析方法第1部分：锡量的测定碘酸钾滴定法和苯基荧光酮-聚乙二醇辛基苯基醚分光光度法	China National Standards si	English PDF
GB/T 4698.23-2017	Methods for chemical analysis of titanium sponge，titanium and titanium alloys—Part 23：Determination of palladium content—Stannous choride-potassium iodide spectrophotometry and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第23部分：钯量的测定氯化亚锡-碘化钾分光光度法和电感耦合等离子体原子发射光谱法	China National Standards si	English PDF
GB/T 4698.13-2017	Methods for chemical analysis of titanium sponge,titanium and titanium alloys—Part 13：Determination of zirconium content—EDTA complexometric titration and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第13部分：锆量的测定 EDTA络合滴定法和电感耦合等离子体原子发射光谱法	China National Standards si	English PDF
GB/T 4698.25-2017	Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 25：Determination of chlorine content—Silver chlorin spectrophotometry 海绵钛、钛及钛合金化学分析方法第25部分：氯量的测定氯化银分光光度法	China National Standards si	English PDF
GB/T 4698.12-2017	Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 12：Determination of vanadium content—Ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法第12部分：钒量的测定硫酸亚铁铵滴定法和电感耦合等离子体原子发射光谱法	China National Standards si	English PDF
GB/T 13747.20-2017	Methods for chemical analysis of zirconium and zirconium alloys—Part 20：Determination of hafnium content—Inductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法第20部分：铪量的测定电感耦合等离子体原子发射光谱法	China National Standards si	English PDF
GB/T 34499.2-2017	Methods for chemical analysis of iridium compounds—Part 2：Determination of silver, gold, platinum, palladium, rhodium, ruthenium, aluminium, copper, iron, nickel, lead, magnesium, manganese, tin, zinc, calcium, sodium, potassium, silicon content—Ind 铱化合物化学分析方法第2部分: 银、金、铂、钯、铑、钌、铝、铜、铁、镍、铅、镁、锰、锡、锌、钙、钠、钾、硅的测定电感耦合等离子体原子发射光谱法	China National Standards si	English PDF
GB/T 34502-2017	Gold-coated silver and silver alloy bonding wires for semiconductor package 封装键合用镀金银及银合金丝	China National Standards si	English PDF
GB/T 1819.16-2017	Methods for chemical analysis of tin concentrats—Part 16:Determination of siliver content—Flame atomic absorption spectrometry 锡精矿化学分析方法第16部分：银量的测定火焰原子吸收光谱法	China National Standards si	English PDF
GB/T 34499.1-2017	Method for chemical analysis of iridium compounds—Part 1: Determination of iridium content—Electricity titration using ferrous sulfate 铱化合物化学分析方法第1部分：铱量的测定硫酸亚铁电流滴定法	China National Standards si	English PDF
GB/T 34410-2017	Classification and general technology of upper limb orthoses 上肢矫形器的分类及通用技术条件	China National Standards si	English PDF
GB/T 16766-2017	Basic terminology in travel and tourism 旅游业基础术语	China National Standards si	English PDF
GB/T 34022-2017	Small-scale play facilities—Three-dimensional climbing net 小型游乐设施立体攀网	China National Standards si	English PDF
GB/T 3690-2017	Textile conveyor belts—Full thickness tensile strength,elongation at break and elongation at the reference load—Test method 织物芯输送带全厚度拉伸强度、拉断伸长率和参考力伸长率试验方法	China National Standards si	English PDF
GB/T 1819.12-2017	Methods for chemical analysis of tin concentrates—Part 12:Determination of silicon dioxide content—The silicomolybdenum blue spectrophotometry and sodium hydroxide titration 锡精矿化学分析方法第12部分：二氧化硅量的测定硅钼蓝分光光度法和氢氧化钠滴定法	China National Standards si	English PDF
GB/T 1819.9-2017	Methods for chemical analysis of tin concentrates—Part 9：Determination of tungsten trioxide content—The thiocyanate spectrophotometric method 锡精矿化学分析方法第9部分：三氧化钨量的测定硫氰酸盐分光光度法	China National Standards si	English PDF
GB/T 5318-2017	sintered metal materials（excluding hardmetals） without notch impact test piece 烧结金属材料（不包括硬质合金）无切口冲击试样	China National Standards si	English PDF
GB/T 1819.14-2017	Methods for chemical analysis of tin concentrates—Part 14：Determination of copper content—Flame atomic absorption spectrometry 锡精矿化学分析方法第14部分：铜量的测定火焰原子吸收光谱法	China National Standards si	English PDF
GB/T 3884.19-2017	Methods for chemical analysis of copper concentrates—Part 19: Determination of thallium content—Inductively coupled plasma mass spectrometry 铜精矿化学分析方法第19部分：铊量的测定电感耦合等离子体质谱法	China National Standards si	English PDF
GB/T 14142-2017	Test method for crystallographic perfection of epitaxial layers in silicon—Etching technique 硅外延层晶体完整性检验方法腐蚀法	China National Standards si	English PDF
GB/T 25026-2017	Structure,main size and basic parameters of one piece glass-lined steel vessels with agitator 搪玻璃闭式搅拌容器型式、主要尺寸及基本参数	China National Standards si	English PDF
GB/T 34550.4-2017	Method for evaluation of cooling seawater treatment agents—Part 4: Dynamic simulation test 海水冷却水处理药剂性能评价方法第4部分：动态模拟试验	China National Standards si	English PDF
GB/T 34550.1-2017	Method for evaluation of cooling seawater treatment agents—Part 1: Determination of corrosion inhibition performance 海水冷却水处理药剂性能评价方法第1部分: 缓蚀性能的测定	China National Standards si	English PDF
GB/T 34182-2017	Composite cable bracket 复合材料电缆支架	China National Standards si	English PDF
GB/T 34168-2017	Test method of gold and silver nanoparticle materials biological effect by transmission electron microscope 金、银纳米颗粒材料生物效应的透射电子显微镜检测方法	China National Standards si	English PDF
GB/T 34172-2017	Microbeam analysis—Electron backscatter diffraction—Phase analysis method of metal and alloy 微束分析电子背散射衍射金属及合金的相分析方法	China National Standards si	English PDF
GB/T 34174-2017	Surface chemical analysis—Proposed procedure for certifying the retained areic dose in a working reference material produced by ion implantation 表面化学分析工作参考物质中离子注入产生的驻留面剂量定值的推荐程序	China National Standards si	English PDF
GB/T 34178-2017	silica glass substrates for photomask 光掩模石英玻璃基板	China National Standards si	English PDF
GB/T 34176-2017	Chemical analysis methods for determination of Fe2+ and Fe3+ in refractory products by the spectral photometric method with 1,10-phenanthroline 邻二氮杂菲分光光度法测定耐火材料中的二价和三价铁离子化学分析方法	China National Standards si	English PDF
GB/T 22589-2017	Magnesia carbon bricks 镁碳砖	China National Standards si	English PDF
GB/T 34180-2017	Thermal insulation products for building applications—Determination of the resistance to impact of external thermal insulation composite systems(ETICS) 建筑用绝热制品外墙外保温系统抗冲击性测定	China National Standards si	English PDF

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