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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB 23200.44-2016 |
National food safety standards—Determination of carbon disulfide、carbon tetrachloride in cereals 食品安全国家标准 粮谷中二硫化碳、四氯化碳、二溴乙烷残留量的检测方法 |
China National Standards carbon |
 English PDF |
| GB/T 33443-2016 |
Determination of hydrogen sulfide carbonyl sulfide methanethiol and dimethyl sulfide in coal-based syngas—Gas chromatograph 煤基合成气中硫化氢、羰基硫、甲硫醇和甲硫醚的测定 气相色谱法 |
China National Standards carbon |
English PDF |
| GB/T 33435-2016 |
Small craft—carbon monoxide (CO) detection systems 小艇 一氧化碳(CO)探测系统 |
China National Standards carbon |
English PDF |
| GB/T 11079-2015 |
Test method for carbonizable substances in white mineral oil 白油易炭化物试验法 |
China National Standards carbon |
English PDF |
| GB/T 32281-2015 |
Test method for measuring oxygen, carbon, boron and phosphorus in solar silicon wafers and feedstock by secondary ion mass spectrometry 太阳能级硅片和硅料中氧、碳、硼和磷量的测定 二次离子质谱法 |
China National Standards carbon |
English PDF |
| GB/T 30544.3-2015 |
Nanotechnologies—Vocabulary—Part 3: carbon nano-objects 纳米科技 术语 第3部分：碳纳米物体 |
China National Standards carbon |
English PDF |
| GB/T 699-2015 |
Quality carbon structure steels 优质碳素结构钢 |
China National Standards carbon |
English PDF |
| GB/T 32289-2015 |
Quality carbon structure steels and alloy structure steels for large forgings 大型锻件用优质碳素结构钢和合金结构钢 |
China National Standards carbon |
English PDF |
| GB/T 3489-2015 |
Hardmetals—Metallographic determination of porosity and uncombined carbon 硬质合金 孔隙度和非化合碳的金相测定 |
China National Standards carbon |
English PDF |
| GB/T 19199-2015 |
Test method for carbon acceptor concentration in semi-insulating gallium arsenide single crystals by infrared absorption spectroscopy 半绝缘砷化镓单晶中碳浓度的红外吸收测试方法 |
China National Standards carbon |
English PDF |
| GB 1886.108-2015 |
National food safety standard — Food additive — Azodicarbonamide 食品安全国家标准 食品添加剂 偶氮甲酰胺 |
China National Standards carbon |
English PDF |
| GB/T 32116-2015 |
Determination of total organic carbon(TOC) in industrial circulating cooling water 循环冷却水中总有机碳（TOC）的测定 |
China National Standards carbon |
English PDF |
| GB 1886.1-2015 |
National food safety standard — Food additive — Sodium carbonate 食品安全国家标准 食品添加剂 碳酸钠 |
China National Standards carbon |
English PDF |
| GB 1886.2-2015 |
National food safety standard — Food additive — Sodium bicarbonate 食品安全国家标准 食品添加剂 碳酸氢钠 |
China National Standards carbon |
English PDF |
| GB 1886.68-2015 |
National Food Safety Standard-Food Additives-Dimethyl dicarbonate (also known as Vitamin) 食品安全国家标准 食品添加剂 二甲基二碳酸盐（又名维果灵） |
China National Standards carbon |
English PDF |
| GB/T 31959-2015 |
Determination of thermal oxidative resistance of carbon fiber 碳纤维热稳定性的测定 |
China National Standards carbon |
English PDF |
| GB/T 3524-2015 |
Hot-rolled carbon and low alloy structural steel strips 碳素结构钢和低合金结构钢热轧钢带 |
China National Standards carbon |
English PDF |
| GB/T 31941-2015 |
Non-nuclear safety class welded carbon steel and alloy steel pipes for nuclear power plant 核电站用非核安全级碳钢及合金钢焊接钢管 |
China National Standards carbon |
English PDF |
| GB/T 12690.1-2015 |
Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 1: Determination of carbon and sulfur contents—High frequency-infrared absorption method 稀土金属及其氧化物中非稀土杂质化学分析方法 第1部分：碳、硫量的测定 高频-红外吸收法 |
China National Standards carbon |
English PDF |
| GB/T 1397-2015 |
Chemical reagent—Potassium carbonate anhydrous 化学试剂 无水碳酸钾 |
China National Standards carbon |
English PDF |
| GB/T 12496.9-2015 |
Test methods of wooden activated carbon—Determination of decolorization of caramel 木质活性炭试验方法 焦糖脱色率的测定 |
China National Standards carbon |
English PDF |
| GB/T 12496.8-2015 |
Test methods of wooden activated carbon—Determination of iodine number 木质活性炭试验方法 碘吸附值的测定 |
China National Standards carbon |
English PDF |
| GB/T 12496.19-2015 |
Test methods of wooden activated carbon—Determination of iron content 木质活性炭试验方法 铁含量的测定 |
China National Standards carbon |
English PDF |
| GB/T 18610.1-2015 |
Crude oil—Determination of carbon residue—Part 1: Conradson method 原油 残炭的测定 第1部分：康氏法 |
China National Standards carbon |
English PDF |
| GB 31829-2015 |
The norm of energy consumption per unit product of ammonium bicarbonate 碳酸氢铵单位产品电耗限额 |
China National Standards carbon |
English PDF |
| GB/T 31709-2015 |
Data processing of background atmospheric carbon dioxide and methane concentration measured by in situ gas chromatographic (GC) system 气相色谱法本底大气二氧化碳和甲烷浓度在线观测数据处理方法 |
China National Standards carbon |
English PDF |
| GB/T 31707-2015 |
Data processing of background atmospheric carbon monoxide concentration measured by in situ gas chromatographic (GC) system 气相色谱法本底大气一氧化碳浓度在线观测数据处理方法 |
China National Standards carbon |
English PDF |
| GB/T 31705-2015 |
In situ mesaurement of background atmospheric carbon dioxide and methane concentration by gas chromatographic(GC) system 气相色谱法本底大气二氧化碳和甲烷浓度在线观测方法 |
China National Standards carbon |
English PDF |
| GB/T 31589-2015 |
Analytical method of chemical composition for activated MDEA decarbonization desulfurization agent 活化MDEA脱硫脱碳剂化学成分分析方法 |
China National Standards carbon |
English PDF |
| GB/T 3780.1-2015 |
carbon black—Part 1：Test method for iodine adsorption number 炭黑 第1部分：吸碘值试验方法 |
China National Standards carbon |
English PDF |
| GB/T 15255-2015 |
Rubber, vulcanized—Test method for artificial weathering—carbon-arc lamp 硫化橡胶 人工气候老化试验方法 碳弧灯 |
China National Standards carbon |
English PDF |
| GB/T 7767-2014 |
Standard terminology relating to carbon black 炭黑术语 |
China National Standards carbon |
English PDF |
| GB/T 10722-2014 |
carbon black—Determination of total and external surface area―Nitrogen adsorption test method 炭黑 总表面积和外表面积的测定 氮吸附法 |
China National Standards carbon |
English PDF |
| GB/T 31292-2014 |
carbon fibre―Determination of carbon content―Combustion absorption method 碳纤维 碳含量的测定 燃烧吸收法 |
China National Standards carbon |
English PDF |
| GB/T 31290-2014 |
carbon fibre—Determination of the tensile properties of single-filament specimens 碳纤维 单丝拉伸性能的测定 |
China National Standards carbon |
English PDF |
| GB 25324-2014 |
The norm of energy consumption for cathode carbon block for aluminium eletrolyzation 铝电解用石墨质阴极炭块单位产品能源消耗限额 |
China National Standards carbon |
English PDF |
| GB/T 20042.7-2014 |
Proton exchange membrane fuel cells―Part 7: Test method of carbon paper properties 质子交换膜燃料电池 第7部分：炭纸特性测试方法 |
China National Standards carbon |
English PDF |
| GB/T 14849.6-2014 |
Methods for chemical analysis of silicon metal―Part 6：Determination of carbon―Infrared absorption method 工业硅化学分析方法 第6部分：碳含量的测定 红外吸收法 |
China National Standards carbon |
English PDF |
| GB/T 31204-2014 |
carbon steel investment casting 熔模铸造碳钢件 |
China National Standards carbon |
English PDF |
| GB/T 7698-2014 |
Sodium hydroxide for industrial use―Determination of carbonates content―Titrimetric method 工业用氢氧化钠 碳酸盐含量的测定 滴定法 |
China National Standards carbon |
English PDF |
| GB/T 31124-2014 |
Poly(Propylene carbonate)(PPC) 聚碳酸亚丙酯(PPC) |
China National Standards carbon |
English PDF |
| GB/T 19977-2014 |
Textiles―Oil repellency―Hydrocarbon resistance test 纺织品 拒油性 抗碳氢化合物试验 |
China National Standards carbon |
English PDF |
| GB/T 26930.9-2014 |
carbonaceous materials used in the production of aluminium―Pitch for electrodes―Part 9：Determination of sulful content by the bomb method 原铝生产用炭素材料 煤沥青 第9部分：氧弹燃烧法测定硫含量 |
China National Standards carbon |
English PDF |
| GB/T 26930.8-2014 |
carbonaceous materials used in the production of aluminium—Pitch for electrodes—Part 8：Determination of coking value 原铝生产用炭素材料 煤沥青 第8部分：结焦值的测定 |
China National Standards carbon |
English PDF |
| GB/T 26930.7-2014 |
carbonaceous materials used in the production of aluminium—Pitch for electrodes—Part 7：Determination of softening point(Mettler softening point method) 原铝生产用炭素材料 煤沥青 第7部分：软化点的测定（Mettler法） |
China National Standards carbon |
English PDF |
| GB/T 26930.6-2014 |
carbonaceous materials used in the production of aluminium—Pitch for electrodes—Part 6：Determination of ash 原铝生产用炭素材料 煤沥青 第6部分：灰分的测定 |
China National Standards carbon |
English PDF |
| GB/T 26930.13-2014 |
carbonaceous materials used in the production of aluminium―Pitch for electrodes―Part 13：Determination of C/H ratio in the quinoline-insoluble fraction 原铝生产用炭素材料 煤沥青 第13部分：喹啉不溶物中C/H原子比的测定 |
China National Standards carbon |
English PDF |
| GB/T 26930.12-2014 |
carbonaceous materials used in the production of aluminium―Pitch for electrodes―Part 12：Determination of volatile matter content 原铝生产用炭素材料 煤沥青 第12部分：挥发物含量的测定 |
China National Standards carbon |
English PDF |
| GB/T 26930.11-2014 |
carbonaceous materials used in the production of aluminium―Pitch for electrodes―Part 11：Determination of dynamic viscosity 原铝生产用炭素材料 煤沥青 第11部分：动态粘度的测定 |
China National Standards carbon |
English PDF |
| GB/T 26930.10-2014 |
carbonaceous materials used in the production of aluminium―Pitch for electrodes―Part 10：Determination of sulful content by an instrumental method 原铝生产用炭素材料 煤沥青 第10部分：仪器法测定硫含量 |
China National Standards carbon |
English PDF |
| GB/T 30794-2014 |
Determination of polyvinylidene fluoride (PVDF) content of hot-melt fluorocarbon resin coatings (dry film)—Dropping of the melting temperature 热熔型氟树脂涂层（干膜）中聚偏二氟乙烯（PVDF）含量测定 熔融温度下降法 |
China National Standards carbon |
English PDF |
| GB/T 19281-2014 |
Analytic method for calcium carbonate 碳酸钙分析方法 |
China National Standards carbon |
English PDF |
| GB/T 16422.4-2014 |
Plastics―Methods of exposure to laboratory light sources―Part 4：Open-flame carbon-arc lamps 塑料 实验室光源暴露试验方法 第4部分：开放式碳弧灯 |
China National Standards carbon |
English PDF |
| GB/T 30836-2014 |
Lithium titanium oxide and its carbon composite anode materials for lithium ion battery 锂离子电池用钛酸锂及其炭复合负极材料 |
China National Standards carbon |
English PDF |
| GB/T 30835-2014 |
Lithium iron phosphate-carbon composite cathode materials for lithium ion battery 锂离子电池用炭复合磷酸铁锂正极材料 |
China National Standards carbon |
English PDF |
| GB/T 24242.3-2014 |
Non-alloy steel wire rod for conversion to wire—Part 3: Specific requirements for rimmed and rimmed substitute low carbon steel wire rod 制丝用非合金钢盘条 第3部分：沸腾钢和沸腾钢替代品低碳钢盘条 |
China National Standards carbon |
English PDF |
| GB 30814-2014 |
Steel plates of carbon steel and low alloy steel for nuclear power plants 核电站用碳素钢和低合金钢钢板 |
China National Standards carbon |
English PDF |
| GB/T 5059.7-2014 |
Ferromolybdenum—The determination of carbon content—Infrared absorption method 钼铁 碳含量的测定 红外线吸收法 |
China National Standards carbon |
English PDF |
| GB/T 3286.9-2014 |
Method for chemical analysis of limestone and dolomite―Part 9: The determination of carbon dioxide content―The caustic asbestos absorption gravimetric method 石灰石及白云石化学分析方法 第9部分：二氧化碳含量的测定 烧碱石棉吸收重量法 |
China National Standards carbon |
English PDF |
| GB/T 30757-2014 |
Classification of basic dense shaped refractory products containing from 7% to 50% residual carbon 残碳量7％～50％的碱性致密定形耐火制品分类 |
China National Standards carbon |
English PDF |
| GB/T 30742-2014 |
Determination of total carbon in ocean atmospheric dry deposition―Nondispersive infrared absorption spectrometry 海洋大气干沉降物中总碳的测定 非色散红外吸收法 |
China National Standards carbon |
English PDF |
| GB/T 30740-2014 |
Determination of total organic carbon in marine sediment―Nondispersive infrared absorption 海洋沉积物中总有机碳的测定 非色散红外吸收法 |
China National Standards carbon |
English PDF |
| GB/T 30733-2014 |
Determination of total carbon, hydrogen and nitrogen content in coal―Instrumental method 煤中碳氢氮的测定 仪器法 |
China National Standards carbon |
English PDF |
| GB/T 30543-2014 |
Nanotechnologies―Characterization of single-wall carbon nanotubes using transmission electron microscopy 纳米技术 单壁碳纳米管的透射电子显微术表征方法 |
China National Standards carbon |
English PDF |
| GB 1888-2014 |
National Food Safety Standard-Food Additives-Ammonium bicarbonate 食品安全国家标准 食品添加剂 碳酸氢铵 |
China National Standards carbon |
English PDF |
| GB/T 30519-2014 |
Determination of hydrocarbon types and benzene in light petroleum distillates and products―Multidimensional gas chromatographic method 轻质石油馏分和产品中烃族组成和苯的测定 多维气相色谱法 |
China National Standards carbon |
English PDF |
| GB/T 30492-2014 |
Natural gas―Gas chromatographic requirements for hydrocarbon dewpoint caculation 天然气 烃露点计算的气相色谱分析要求 |
China National Standards carbon |
English PDF |
| GB/T 30202.5-2013 |
Test method for coal-based granular activated carbon for desulfurization and denitration process―Part 5：Denitration value 脱硫脱硝用煤质颗粒活性炭试验方法 第5部分：脱硝率 |
China National Standards carbon |
English PDF |
| GB/T 30202.4-2013 |
Test method for granular activated carbonfrom coal for desulfurization and denitration process―Part 4: Desulfurization value 脱硫脱硝用煤质颗粒活性炭试验方法 第4部分：脱硫值 |
China National Standards carbon |
English PDF |
| GB/T 30202.3-2013 |
Test method for granular activated carbon from coal for desulfurization and denitration process―Part3: Abrasive resistance and compression strength 脱硫脱硝用煤质颗粒活性炭试验方法 第3部分：耐磨强度、耐压强度 |
China National Standards carbon |
English PDF |
| GB/T 30202.2-2013 |
Test method for granular coal-based activated carbon for desulfurization and denitration process―Part 2: Particle size 脱硫脱硝用煤质颗粒活性炭试验方法 第2部分：粒度 |
China National Standards carbon |
English PDF |
| GB/T 30202.1-2013 |
Test method for granular activated carbon from coal for desulfurization and denitration process―Part 1: Bulk density 脱硫脱硝用煤质颗粒活性炭试验方法 第1部分：堆积密度 |
China National Standards carbon |
English PDF |
| GB/T 30201-2013 |
Granular coal-based activated carbon for desulfurization and denitration 脱硫脱硝用煤质颗粒活性炭 |
China National Standards carbon |
English PDF |
| GB/T 7044-2013 |
Colour carbon black 色素炭黑 |
China National Standards carbon |
English PDF |
| GB/T 14853.1-2013 |
Rubber compounding ingredients—Pelletized carbon black—Part 1：Determination of pour density 橡胶用造粒炭黑 第1部分：倾注密度的测定 |
China National Standards carbon |
English PDF |
| GB/T 14853.6-2013 |
Rubber compounding ingredients―Pelletized carbon black―Part 6：Determination of individual pellet crushing strength 橡胶用造粒炭黑 第6部分：单个颗粒破碎强度的测定 |
China National Standards carbon |
English PDF |
| GB/T 14853.5-2013 |
Rubber compounding ingredients—Pelletized carbon black—Part 5：Determination of pellet size distribution 橡胶用造粒炭黑 第5部分：颗粒尺寸分布的测定 |
China National Standards carbon |
English PDF |
| GB/T 14853.4-2013 |
Rubber compounding ingredients—Pelletized carbon black—Part 4：Determination of mass strength 橡胶用造粒炭黑 第4部分：堆积强度的测定 |
China National Standards carbon |
English PDF |
| GB/T 11446.8-2013 |
Test method for total organic carbon in electronic grade water 电子级水中总有机碳的测试方法 |
China National Standards carbon |
English PDF |
| GB/T 4335-2013 |
Determination of ferrite grain size for cold rolled low carbon steel sheets 低碳钢冷轧薄板铁素体晶粒度测定法 |
China National Standards carbon |
English PDF |
| GB/T 13237-2013 |
Cold rolled quality carbon structural steel sheets and strips 优质碳素结构钢冷轧钢板和钢带 |
China National Standards carbon |
English PDF |
| GB 29958-2013 |
National Food Safety Standard Food Additive Identification Allyl disulfide Food Additive Identification l-menthol propylene glycol carbonate 食品安全国家标准 食品添加剂 l-薄荷醇丙二醇碳酸酯 |
China National Standards carbon |
English PDF |
| GB 29994-2013 |
The norm of energy consumption per unit product of coal-based activated carbon 煤基活性炭单位产品能源消耗限额 |
China National Standards carbon |
English PDF |
| GB/T 30021-2013 |
Warp knitting carbon fiber reinforcements 经编碳纤维增强材料 |
China National Standards carbon |
English PDF |
| GB/T 30019-2013 |
carbon fiber - Determination of density 碳纤维 密度的测定 |
China National Standards carbon |
English PDF |
| GB/T 30014-2013 |
Methods for chemical analysis of spent palladium-carbon - Determination of palladium - Inductively coupled plasma atomic emission spectrometry 废钯炭催化剂化学分析方法 钯量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards carbon |
English PDF |
| GB/T 20975.26-2013 |
Methods for chemical analysis of aluminium and aluminium alloys - Part 26：Determination of carbon content infrared absorption method 铝及铝合金化学分析方法 第26部分：碳含量的测定 红外吸收法 |
China National Standards carbon |
English PDF |
| GB/T 11064.9-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 9: Determination of sulfate content - Barium sulfate nephelometry method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第9部分: 硫酸根量的测定 硫酸钡浊度法 |
China National Standards carbon |
English PDF |
| GB/T 11064.8-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 8: Determination of silicon content - Molybdenum blue spectrophotometric method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第8部分：硅量的测定 钼蓝分光光度法 |
China National Standards carbon |
English PDF |
| GB/T 11064.7-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 7: Determination of iron content-1,10-phenanthroline spectrophotometric method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第7部分：铁量的测定 邻二氮杂菲分光光度法 |
China National Standards carbon |
English PDF |
| GB/T 11064.6-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 6: Determination of magnesium content - Flame atomic absorption spectrometric method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第6部分：镁量的测定 火焰原子吸收光谱法 |
China National Standards carbon |
English PDF |
| GB/T 11064.5-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 5: Determination of calcium content － Flame atomic absorption spectrometric method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第5部分：钙量的测定 火焰原子吸收光谱法 |
China National Standards carbon |
English PDF |
| GB/T 11064.16-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 16: Determination of calcium,magnesium,copper,lead,zinc,nickel,manganese,cadmium and aluminum content - Inductively coupled plasma atomic emission 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第16部分：钙、镁、铜、铅、锌、镍、锰、镉、铝量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards carbon |
English PDF |
| GB/T 11064.15-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 15: Determination of fluoride content - Ion selective method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第15部分：氟量的测定 离子选择电极法 |
China National Standards carbon |
English PDF |
| GB/T 11064.14-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 14: Determination of arsenic content - Molybdenum blue spectropotometic method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第14部分：砷量的测定 钼蓝分光光度法 |
China National Standards carbon |
English PDF |
| GB/T 11064.13-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 13: Determination of aluminum content - Chromazurol S-cetylpyridine bromide spectrophotometric method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第13部分：铝量的测定 铬天青S-溴化十六烷基吡啶分光光度法 |
China National Standards carbon |
English PDF |
| GB/T 11064.12-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 12: Determination of carbonate content - Acid-alkali titrimetric method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第12部分：碳酸根量的测定 酸碱滴定法 |
China National Standards carbon |
English PDF |
| GB/T 11064.11-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 11: Determination of acid-insolubles content - Gravimetric method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第11部分：酸不溶物量的测定 重量法 |
China National Standards carbon |
English PDF |
| GB/T 11064.10-2013 |
Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 10: Determination of chloride content - Silver chloride nephelometry method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第10部分：氯量的测定 氯化银浊度法 |
China National Standards carbon |
English PDF |
| GB/T 29856-2013 |
Characterization of semiconducting single-walled carbon nanotubes using near infrared photoluminescence spectroscopy 半导体性单壁碳纳米管的近红外光致发光光谱表征方法 |
China National Standards carbon |
English PDF |
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