氮检测

NF V03-050-2009 食品和饲料产品.利用基耶达尔法检测氮含量的一般指南

Food and feed products - General guidelines for the determination of nitrogen by the Kjeldahl method.

NF A88-200-2-2009 焊接和相关工艺中的卫生安全.电弧焊产生的烟尘和气体取样的试验室方法.第2部分:焊接、切断和熔刮过程中一氧化碳(CO),二氧化碳(CO2),一氧化氮(NO)和二氧化氮(NO2)的气体排放率测定

Health and safety in welding and allied processes - Laboratory method for sampling fume and gases - Part 2 : determination of the emission rates of carbon monoxide (CO), carbon dioxide (CO2), nitrogen monoxide (NO) and nitrogen dioxide (NO2) during arc we

NF U42-503-2010 肥料.用两种不同方法测定只作为五价氮、氨和脲氮中含有氮的肥料中总氮含量

Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods.

NF A06-555-2010 钢.总氮量测定.光谱光度测量方法

Steel - Determination of nitrogen content - Spectrophotometric method.

DIN EN 15750-2010 肥料.用两种不同的方法对含氮磷钾的肥料,如氮,氨和尿素氨,总氮含量的测定.德文版本EN 15750-2009

This document specifies two different methods (Methods A and B) for the determination of the total nitrogen content in fertilizers. Method A specifies

Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009

DIN SPEC 1138-2010 食品.根据杜马原则通过燃烧对总氮含量的测定和粗蛋白含量的计算.第2部分:谷物、豆类和碾磨谷物产品(CEN ISO/TS 16634-2-2009).德文版本CEN ISO/TS 16634-2009

This Technical Specification specifies a method for the determination of the total nitrogen content according to Dumas and the calculation of crude

Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products (ISO/TS 16634-2:2009); German version CEN ISO/TS 1

SH/T 3106-2009 石油化工企业氮氧系统设计技术规范

本规范规定了空分装置的布置、规模、产品规格和设备的确定、工艺管道的设计、自控系统的设计原则以及氮气和氧气的储存及输送等要求。 本规范适用于石油化工企业新建的、采用深冷法空气分离成套设备(以下简称“空分设备”)制取氮气和氧气的大、中型空分装置的氮氧系统设计。现有氮气、氧气系统的改建和扩建工程设计可

Specification for design of nitrogen and oxygen system in petrochemical industry

HG/T 4103-2009 化学试剂.有机氮化合物测定通用方法

本标准规定了将有机化合物中的氮转变成氨，以硼酸溶液吸收蒸馏出的氨，用酸碱滴定法测定氮含量的通用方法。 本标准适用于有机试剂中常量氮的测定。对于氮氮、氮氧有机氮化合物，例如，偶氮、肼、腙、硝基、亚硝基、缩脲等，需按标准规定作适当预处理后，再用本标准进行测定

Chemical reagent.General method for the determination of organic nitrogen compounds

BS EN 15750-2009 肥料.用两种不同方法测定只作为氮、氨和脲氮的含有氮肥料中总氮含量

This European Standard specifies two different methods (Methods A and B) for the determination of the total nitrogen content in fertilizers. Method

Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

GA 835-2009 油浸变压器排油注氮灭火装置

本标准规定了油浸变压器排油注氮式灭火装置及其氮气瓶组、氮气释放阀、排油阀、断流阀、减压装置、消防控制柜、火灾探测装置、油气隔离装置等部件的性能要求、试验方法、检验规则、使用说明书编写要求等。 本标准适用于油浸变压器排油注氮灭火装置。 保护油浸电抗器等设备的排油注氮灭火装置可参照采用

Oil evacuation and nitrogen injection extinguishing equipment for oil-immersed power transformer

NF L91-002-18-2010 航空器地勤支持设备.具体要求.第18部分:氮或氧气装置

Aircraft ground support equipment - Specific requirements - Part 18 : nitrogen or Oxygen units.

NF L91-002-18/IN1-2010 航空器地勤支援设备.具体要求.第18部分:氮气或氧气单元

Aircraft ground support equipment - Specific requirements - Part 18 : nitrogen or Oxygen units.

GB/T 8572-2010 复混肥料中总氮含量的测定 蒸馏后滴定法

本标准规定了复混肥料中总氮含量的测定方法。 本标准不适用于含有机物(除尿素、氰氨基化合物外)大于7%的复混肥料

Determination of total nitrogen content for compound fertilizers titrimetric method after distillation

NF A06-559-2010 钢铁.氮含量的测定.惰性气体熔融热导法(常规方法)

Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method).

SAE AMS 6472E-2010 112 ksi(772 MPa)抗拉强度、渗氮法1.6Cr 0.35Mo 1.1Al(0.38-0.43C)(135 Mod)淬火和回火的钢棒和钢铸件

This specification covers an aircraft-quality, low-alloy steel in the form of heat treated bars and forgings, and of forging stock. This material has

Steel Bars and Forgings, Nitriding 1.6Cr 0.35Mo 1.1Al (0.38-0.43C)(135 Mod) Hardened and Tempered, 112 ksi (772 MPa) Tensile Strength

NF V03-050-2009 食品和饲料产品.利用基耶达尔法检测氮含量的一般指南

Food and feed products - General guidelines for the determination of nitrogen by the Kjeldahl method.

NF A88-200-2-2009 焊接和相关工艺中的卫生安全.电弧焊产生的烟尘和气体取样的试验室方法.第2部分:焊接、切断和熔刮过程中一氧化碳(CO),二氧化碳(CO2),一氧化氮(NO)和二氧化氮(NO2)的气体排放率测定

Health and safety in welding and allied processes - Laboratory method for sampling fume and gases - Part 2 : determination of the emission rates of carbon monoxide (CO), carbon dioxide (CO2), nitrogen monoxide (NO) and nitrogen dioxide (NO2) during arc we

NF U42-503-2010 肥料.用两种不同方法测定只作为五价氮、氨和脲氮中含有氮的肥料中总氮含量

Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods.

NF A06-555-2010 钢.总氮量测定.光谱光度测量方法

Steel - Determination of nitrogen content - Spectrophotometric method.

DIN EN 15750-2010 肥料.用两种不同的方法对含氮磷钾的肥料,如氮,氨和尿素氨,总氮含量的测定.德文版本EN 15750-2009

This document specifies two different methods (Methods A and B) for the determination of the total nitrogen content in fertilizers. Method A specifies

Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009

DIN SPEC 1138-2010 食品.根据杜马原则通过燃烧对总氮含量的测定和粗蛋白含量的计算.第2部分:谷物、豆类和碾磨谷物产品(CEN ISO/TS 16634-2-2009).德文版本CEN ISO/TS 16634-2009

This Technical Specification specifies a method for the determination of the total nitrogen content according to Dumas and the calculation of crude

Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products (ISO/TS 16634-2:2009); German version CEN ISO/TS 1

SH/T 3106-2009 石油化工企业氮氧系统设计技术规范

本规范规定了空分装置的布置、规模、产品规格和设备的确定、工艺管道的设计、自控系统的设计原则以及氮气和氧气的储存及输送等要求。 本规范适用于石油化工企业新建的、采用深冷法空气分离成套设备(以下简称“空分设备”)制取氮气和氧气的大、中型空分装置的氮氧系统设计。现有氮气、氧气系统的改建和扩建工程设计可

Specification for design of nitrogen and oxygen system in petrochemical industry

HG/T 4103-2009 化学试剂.有机氮化合物测定通用方法

本标准规定了将有机化合物中的氮转变成氨，以硼酸溶液吸收蒸馏出的氨，用酸碱滴定法测定氮含量的通用方法。 本标准适用于有机试剂中常量氮的测定。对于氮氮、氮氧有机氮化合物，例如，偶氮、肼、腙、硝基、亚硝基、缩脲等，需按标准规定作适当预处理后，再用本标准进行测定

Chemical reagent.General method for the determination of organic nitrogen compounds

BS EN 15750-2009 肥料.用两种不同方法测定只作为氮、氨和脲氮的含有氮肥料中总氮含量

This European Standard specifies two different methods (Methods A and B) for the determination of the total nitrogen content in fertilizers. Method

Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

GA 835-2009 油浸变压器排油注氮灭火装置

本标准规定了油浸变压器排油注氮式灭火装置及其氮气瓶组、氮气释放阀、排油阀、断流阀、减压装置、消防控制柜、火灾探测装置、油气隔离装置等部件的性能要求、试验方法、检验规则、使用说明书编写要求等。 本标准适用于油浸变压器排油注氮灭火装置。 保护油浸电抗器等设备的排油注氮灭火装置可参照采用

Oil evacuation and nitrogen injection extinguishing equipment for oil-immersed power transformer

NF L91-002-18-2010 航空器地勤支持设备.具体要求.第18部分:氮或氧气装置

Aircraft ground support equipment - Specific requirements - Part 18 : nitrogen or Oxygen units.

NF L91-002-18/IN1-2010 航空器地勤支援设备.具体要求.第18部分:氮气或氧气单元

Aircraft ground support equipment - Specific requirements - Part 18 : nitrogen or Oxygen units.

GB/T 8572-2010 复混肥料中总氮含量的测定 蒸馏后滴定法

本标准规定了复混肥料中总氮含量的测定方法。 本标准不适用于含有机物(除尿素、氰氨基化合物外)大于7%的复混肥料

Determination of total nitrogen content for compound fertilizers titrimetric method after distillation

NF A06-559-2010 钢铁.氮含量的测定.惰性气体熔融热导法(常规方法)

Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method).

SAE AMS 6472E-2010 112 ksi(772 MPa)抗拉强度、渗氮法1.6Cr 0.35Mo 1.1Al(0.38-0.43C)(135 Mod)淬火和回火的钢棒和钢铸件

This specification covers an aircraft-quality, low-alloy steel in the form of heat treated bars and forgings, and of forging stock. This material has

Steel Bars and Forgings, Nitriding 1.6Cr 0.35Mo 1.1Al (0.38-0.43C)(135 Mod) Hardened and Tempered, 112 ksi (772 MPa) Tensile Strength