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铁和钢的分析方法 铌含量的测定 PAR分光光度法

Methods for the analysis of iron and steel - Determination of niobium content - PAR spectrometric method

结构级高强度低合金铌钒钢标准规范

Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel

铌和铌合金棒材、杆材及线材标准规范

Standard Specification for Niobium and Niobium Alloy Bar, Rod, and Wire

铌和铌合金棒 棒和线的标准规范

Standard Specification for Niobium and Niobium Alloy Bar, Rod, and Wire

铌和铌合金带材,薄板和中厚板标准规范

Standard Specification for Niobium and Niobium Alloy Strip, Sheet, and Plate

铌和铌合金带材 板材和板材的标准规范

Standard Specification for Niobium and Niobium Alloy Strip, Sheet, and Plate

铌和铌合金无缝及焊接管标准规范

Standard Specification for Niobium and Niobium Alloy Seamless and Welded Tubes

铌和铌合金无缝及焊接管标准规范

Standard Specification for Niobium and Niobium Alloy Seamless and Welded Tubes

铌铪合金棒材和线材的标准规范

Standard Specification for Niobium-Hafnium Alloy Bar and Wire

硅酸分解和离子交换法测定矿石、精矿和渣中的铌和钽

Determination of niobium and tantalum in ores, concentrates and slags by silicate decomposition and ion exchange

用铌的放射性活化测量快中子反应速度的标准试验方法

Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Niobium

通过铌的放射性活化测量快中子反应率的标准试验方法

Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Niobium

铌铁化学分析的标准试验方法

Standard Test Methods for Chemical Analysis of Ferroniobium

钛、铌、锆和钽用于医用和外科应用

Titanium, niobium, zirconium and tantalum for medical and surgical applications

难熔金属及其工业应用

Refractory Metals and Their Industrial Applications

化学分析中的铌测定 光谱法

Determination of Niobium by Spectrometry in Chemical Analysis

钢 铌的测定 分光光度法

Steels. Determination of niobium. Spectrophotometric method

超导 剩余电阻比测量 腔体级铌超导体的残余电阻率

Superconductivity. Residual resistance ratio measurement. Residual resistance ratio of cavity-grade Nb superconductors

钢.合金钢中Mo、Nb和W含量的测定.感应耦合等离子体原子发射光谱法.Nb含量的测定

Steel - Determination of Mo, Nb and W contents in alloyed steel - Inductively coupled plasma atomic emission spectrometric method - Determination of Nb Content

黑色金属材料的化学分析.钢材中铌含量的测定.分光光度分析法

Chemical analysis of ferrous materials; determination of niobium in steels; spectrophotometric method; german version EN 10178:1989

钢中铌的测定分光光度法

Steels - Determination of niobium - Spectrophotometric method

钢中铌的测定分光光度法

Steels - Determination of niobium - Spectrophotometric method

钢铁及合金化学分析方法 离子交换分离 重量法测定铌量

Chemical analysis method of iron, steel and alloy Ion exchange separation gravimetric method for determination of niobium content

铌铁化学分析方法 纸上色层分离重量法测定铌、钽量

Ferro-niobium chemical analysis method Determination of niobium and tantalum by paper chromatographic gravimetric method

稀土金属及其氧化物中非稀土杂质化学分析方法.第17部分：稀土金属中铌、钽量的测定

Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides.Part 17: Determination of niobium and tantalum contents of rare earth metals

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

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

钨矿石、钼矿石化学分析方法 第17部分：碲量测定

Methods for chemical analysis of tungsten ores and molybdenum ores.Part 17:Determination of tellurium content

钽铌化学分析方法 第1部分：铌中钽量的测定 电感耦合等离子体原子发射光谱法

Methods for chemical analysis of tantalum and niobium—Part 1: Determination of tantalum content in niobium—Inductively coupled plasma 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

Methods for chemical analysis of tantalum and niobium—Part 11:Determination of arsenic,antimony,lead,tin and and bismuth contents in niobium—Direct current arc atomic emission spectrometry

钽铌化学分析方法.钠量和钾量的测定

Method for chemical analysis of tantalum and niobium.Determination of sodium and potassium contents

钽铌化学分析方法 第2部分:钽中铌量的测定 电感耦合等离子体原子发射光谱法和色层分离重量法

Methods for chemical analysis of tantalum and niobium—Part 2:Determination of niobium content in tantalum—Inductively coupled plasma atomic emission spectrometry and stratography gravimetry

钽铌化学分析方法 第4部分:铁量的测定 1，10—二氮杂菲分光光度法

Methods for chemical analysis of tantalum and niobium—Part 4:Determination of iron content—1,10-Phenanthroline spectrophotometry

钽铌化学分析方法 第6部分:硅量的测定 电感耦合等离子体原子发射光谱法

Methods for chemical analysis of tantalum and niobium—Part 6:Determination of silicon content—Inductively coupled plasma atomic emission spectrometry

钽铌化学分析方法 第7部分：铌中磷量的测定 4-甲基-戊酮-[2]萃取分离磷钼蓝分光光度法和电感耦合等离子体原子发射光谱法

Methods for chemical analysis of tantalum and niobium—Part 7:Determination of phospherus content in niobium—4-Formyloxy-pentyl ketone-[2] extraction separation phosphomolybdate blue spectrophotometry and inductively coupled plasma atomic emission spectrom

钢铁及合金化学分析方法 离子交换分离-重量法测定铌量

Methods for chemical analysis of iron,steel and alloy--The anion-exchange separation-gravimetric method for the determination of niobium content

铌铁化学分析方法 纸上色层分离重量法测定铌,钽量

Methods for chemical analysis of ferroniobium--The paper chromatographic gravimetric method for the determination of niobium and tantalum content

合金钢和高合金钢.含铌量测定法

Alloyed and highalloyed steels. Methods for determination of niobium

海绵钛 铌和钽的测定方法

Sponge titanium. Method for determination of niobium and tantalum

钢.合金钢中钼,铌,W含量的测定.感应偶和等离子体原子发射质谱法.第2部分:铌含量的测定

Steel. Determination of Mo, Nb and W contents in alloyed steel. Inductively coupled plasma atomic emission spectrometric method. Part 2. Determination of Nb content

高温合金化学分析方法 四苯砷氯盐酸盐重量法测定铌含量

Method for chemical analysis of superalloys Tetraphenylarsenic chloride hydrochloride gravimetric method for determination of niobium content

高温合金化学分析方法 第33部分：四苯砷氯盐酸盐重量法测定铌含量

Methods for chemical analysis of superalloys. Part 33: Determination of niobium content by tetraphenyl arsonium chloride hydrochloride gravimetric method

高温合金化学分析方法 氯代磺酚Ｃ吸光光度法测定铌含量

Chlorosulfonol C absorptiophotometric method for chemical analysis of superalloys Determination of niobium content

高温合金化学分析方法 第34部分：氯代磺酚C吸光光度法测定铌含量

Methods for chemical analysis of superalloys. Part 34: Determination of niobium content by sulphochlorophenol C photometric method

高温合金化学分析方法 焦性没食子酸吸光光度法测定钽含量

Method for Chemical Analysis of Superalloys-Pyrogallic Acid Absorption Spectrophotometry for Determination of Tantalum Content

超导性 第23部分：残余电阻比测量 腔级 Nb 超导体的残余电阻比

Superconductivity - Part 23: Residual resistance ratio measurement - Residual resistance ratio of cavity-grade Nb superconductors

钢.合金钢中钼、铌和钨含量的测定.感应耦合等离子体原子发射光谱法.第2部分:铌含量测定

Steel - Determination of Mo, Nb and W contents in alloyed steel - Inductively coupled plasma atomic emission spectrometric method - Part 2: Determination of Nb content

镍合金.铌的测定.电感耦合等离子体原子发射光谱法

Nickel alloys - Determination of niobium - Inductively coupled plasma/atomic emission spectrometric method

钢中铌含量的测定PAR分光光度法

Steel - Determination of niobium content - PAR spectrophotometric method

钢铁.铌含量的测定方法

Iron and steel -- Methods for determination of niobium content

钢铁.铌含量的测定方法(修改件1)

Iron and steel -- Methods for determination of niobium content (Amendment 1)

铌铁的化学分析方法(修改件1)

Methods for chemical analysis of ferroniobium (Amendment 1)

钢铁 铌的测定 分光光度法

Steels - Determination of niobium - Spectrophotometric method

铜和铌单层及层状薄膜的电化学行为

Electrochemical Behavior of Copper and Niobium Monolayers and Thin Films

钢中铌的测定分光光度法

Steels - Determination of niobium - Spectrophotometric method

钢中铌的测定分光光度法

Steels - Determination of niobium - Spectrophotometric method

钶（铌）薄板、带材和箔

Columbium (Niobium) Sheet, Strip, and Foil

铌的测定 分光光度法

Steels - Determination of niobium - Spectrophotometric method

钢 铌含量的测定 分光光度法

Steels - Determination of niobium - Spectrophotometric method

超导性 第23部分：残余电阻比测量 铌超导体的残余电阻比

Superconductivity - Part 23: Residual resistance ratio measurement - Residual resistance ratio of Nb superconductors (Endorsed by Asociación Espa?ola de Normalización in November of 2018.)

钢中铌的测定分光光度法

Steels - Determination of niobium - Spectrophotometric method

超导性 — 第23部分：残余电阻比测量 — 高纯铌超导体在腔中的残余电阻比

Superconductivity — Part 23: Residual resistance ratio measurement — Residual resistance ratio of cavity-grade niobium superconductors

焊接 347 型不锈钢 解释报告

Welding Type 347 Stainless Steel - An Interpretive Report

铌及铌合金加工产品牌号和化学成分

Designation and compostition of wrought niobium and niobium alloy