SIS SS-ISO 7182-1987 Acoustics - Measurement at the oper- atons position of airborne noise emitted by chain saws《音响效果 在操作者的位置测量链锯产生的空中噪音强度》.pdf

相关资源

STAS 9783 3-1984 Builrling acoustics DIREC IONAL DIFFUSiTY INDEX OF AUDITORIA Method for determination《建筑物音响效果 听众席定向扩散性指标 测定方法》.pdf

STAS 1957 3-1988 ACOUSTICS BUILDING AND TRANSPORT ACOUSTICS Terminology《音响 建筑和运输音响效果 术语》.pdf

ASHRAE DA-07-002-2007 Using Numberical Acoustics to Perdict the Attenuation of HVAC Plenums《用数值音响效果来预测暖通空调中全会RP-1218的衰减》.pdf

SAE AIR 1327A-2012 Acoustic Effects Produced by a Reflecting Plane《反射平面产生的音响效果》.pdf

SIS SS IEC 500-1985 Acoustics - IEC standard hydrophone《音响效果 IEC标准水准器》.pdf

SIS SS IEC 651-1986 Acoustics Sound level meters《音响效果 声级计》.pdf

SIS SS IEC 263-1986 Acoustics Scales and sizes for plotting frequency characteristics and polar diagrams《音响效果 频率特性标图及坐标图比例和尺寸》.pdf

SIS SS IEC 373-1991 Acoustics - Mechanical couplerformeasurements on botte vibrators《音响效果 瓶状振动器测量用机械耦合器》.pdf

SIS SS-IEC 1012-1991 Acoustics - Filters for the measurement ofaudible sound in the presence of ultrasound《音响效果 超频率音响环境中可听声音测量滤波器》.pdf

猜你喜欢

STAS SR 12922-7-1995 Fish and fish products Determination of sulfite-reducing anaerobes (Clostridia)《鱼类和渔产品 亚硫酸盐还原厌氧菌（梭状芽孢杆菌）的测定 》.pdf

STAS SR 12922-8-1994 Products of fish Microbiologycal conditions《渔产品 微生物学环境 》.pdf

STAS SR 12926-1995 Metallic coatings Pickling bathes Analysis methods《金属涂层 酸洗槽分析方法 》.pdf

STAS SR 13078-1996 Road vehicles - Retro-reflective registration plates for motor vehicles and trailers《道路车辆 机动车和拖车的倒车反射登记盘 》.pdf

STAS SR 1314-36-1995 Manganese ores and concentrates Determination of cobalt content by flame atomic absorption spectrometric method《锰矿石和精矿 通过火焰原子吸收光谱分析法测定钴含量 》.pdf

STAS SR 1314-37-1996 Manganese ores and concentrates - Determination of arsenic content Flame atomic absorption spectrometric method《锰矿石和精矿 测定砷含量 火焰原子吸收光谱测定法 》.pdf

STAS SR 13140-1996 Road vehicles - Content and structure of registration provisional and running test numbers to be relief embossed on retro-reflective registration plates《道路车辆.临时登.pdf

STAS SR 13144-1993 Cast irons and steels Determination of antimony conterit Spectrophotometrical method《铸铁和钢 分光光度法测定锑的含量 》.pdf

STAS SR 13145-1993 Cast irons and steels Determination of tantalum content Spectrophotometrical method《铸铁和钢 钽含量测定 分光光度测定法 》.pdf