NEN 2040-1979 Ambient air - Photometric determination of nitrogen dioxide content (Saltzman method)《环境空气 二氧化氮含量的光度法测定（萨尔茨曼法（Saltzman））》.pdf

相关资源

HJ 479-2009 环境空气 氮氧化物（一氧化氮和二氧化氮）的测定 盐酸萘乙二胺分光光度法.pdf

GB 12372-1990 居住区大气中二氧化氮检验标准方法 改进的Ssltzman法.pdf

GB T 15435-1995 环境空气 二氧化氮的测定 Saltzman法.pdf

HJ 479-2009 环境空气 氮氧化物(一氧化氮和二氧化氮)的测定 盐酸萘乙二胺分光光度法.pdf

HJ 479-2009 环境空气.氮氧化物(一氧化氮和二氧化氮)的测定.盐酸萘乙二胺分光光度法.pdf

GB T 12372-1990 居住区大气中二氧化氮检验标准方法 改进的Saltzman法.pdf

GB T 15435-1995 环境空气 二氧化氮的测定 Saltzman 法.pdf

STAS 10329-1975 Air purity DETERMINATION OF NITROGEN DIOXIDE《空气纯度二氧化氮的测定 》.pdf

CNS 4084-1977 Method of Test for Nitrogen Dioxide in Exhaust Gases (Saltzman Method)《排气中之二氧化氮检验法〔查兹曼比色法〕》.pdf

BS EN ISO 16000-15-2008 Indoor air - Part 15 Sampling strategy for nitrogen dioxide n(NO2)《室内空气 二氧化氮(NO2)用取样策略》.pdf

猜你喜欢

BS EN 50065-4-5-2003 Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148 5 kHz - Low voltage decoupling filters - Segmentation filter《频率范围为3kHz至1.pdf

BS EN 50065-4-6-2004 Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148 5 kHz - Low voltage decoupling filters - Phase coulper《频率范围为3kHz至148 5kH.pdf

BS EN 50065-4-7-2005 Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148 5 kHz and 1 6 MHz to 30 MHz - Part 4-7 Portable low voltage decoupling f.pdf

BS EN 50065-7-2002 Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148 5 kHz - Equipment impedance《频率范围3kHz到148 5kHz的低压电气设备上的信号传送 设备阻抗》.pdf

BS EN 50066-1993 Specification for mini-couplers for the interconnection of electrical mains supplied equipment in road vehicles《道路车辆交流电源供电设备用小型连接器规范》.pdf

BS EN 50068-1991 Specification for wrought steel enclosures for gas-filled high-voltage switchgear and controlgear《充气高压开关和控制设备锻钢外壳规范》.pdf

BS EN 50075-1991 Specification for flat non-wirable two-pole plugs 2 5 A 250 V with cord for the connection of class II-equipment for household and similar purposes《家用和类似用途Ⅱ类设备连接用带.pdf

BS EN 50077-1993 Specification for low profile connectors (IS-1) for implantable pacemakers《心脏起搏器 第3部分 可植入式起搏器用薄断面连接器》.pdf

BS EN 50080-1991 Specification for RF characteristics of MAC AM-VSB cable receivers《MAC AM-VSB电报接收器射频特性规范》.pdf