99啪99精品视频在线观看,久久久久免费一区二区三区,久久中文字幕爱爱视频,欧美日韩国产免费一区二区三区



共找到 150 條與 外露導(dǎo)(dǎo)(dǎo)電部分 相關(guān)的標(biāo)準(zhǔn),共 10

本標(biāo)準(zhǔn)規(guī)定了在模擬塑料材料在實(shí)際使用環(huán)境中暴露于全球太陽輻射或窗玻璃過濾的太陽能時(shí)所發(fā)生的退化效應(yīng)的裝置中,將塑料樣品暴露于熒光紫外線燈輻照、熱和水的方法

Plastics — Methods of exposure to laboratory light sources — Part 3: Fluorescent UV lamps

Measurement and assessment of personal exposures to incoherent optical radiation - Part 4: Terminology and quantities used in UV-, visible and IR-exposure measurements

This European Standard defines the requirements for and assessment of the service provision of indoor UV exposure facilities, and will contribute

Professional indoor UV exposure services - Part 3: Requirements for the provision of services

Measurement and assessment of personal exposures to incoherent optical radiation - Part 4: Terminology and quantities used in UV-, visible and IR-exposure measurements

This standard specifies the terminology and the quantities that are used in UV-, VIS- and IR-exposure measurements according to parts 1, 2 and 3 of EN

Measurement and assessment of personal exposures to incoherent optical radiation - Part 4: Terminology and quantities used in UV-, visible and IR-exposure measurements

This standard specifies the terminology and the quantities that are used in UV-, VIS- and IR-exposure measurements according to parts 1, 2 and 3 of EN

Measurement and assessment of personal exposures to incoherent optical radiation - Part 4: Terminology and quantities used in UV-, visible and IR-exposure measurements

Measurement and assessment of personal exposures to incoherent optical radiation - Part 4: Terminology and quantities used in UV-, visible and IR-exposure measurements

ADOPTED_FROM:EN 14255-4:2006 This standard specifies the terminology and the quantities that are used in UV-, VIS- and IR-exposure measurements

Measurement and assessment of personal exposures to incoherent optical radiation — Part 4: Terminology and quantities used in UV-, visible and IR-exposure measurements

Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air (IEC 60076-3:2000 + Corrigendum 2000); German version EN 60076-3:2001

Textiles - Tests for Colour Fastness - Part B03: Colour Fastness to Weathering: Outdoor Exposure

Plastics — Methods of exposure to laboratory light sources — Part 3: Fluorescent UV lamps

Professional indoor UV exposure services - Part 1 : requirements for the provision of training

Cancels and replaces the third edition (1988). Specifies a method intended for determining the resistance of the colour of textiles of all kinds

Textiles - Tests for colour fastness - Part B03: Colour fastness to weathering: Outdoor exposure

Plastics - Methods of exposure to laboratory light sources - Part 3: fluorescent UV lamps

Plastics - Methods of exposure to laboratory light sources - Part 3: Fluorescent UV lamps




Copyright ?2007-2025 ANTPEDIA, All Rights Reserved
京ICP備07018254號(hào) 京公網(wǎng)安備1101085018 電信與信息服務(wù)業(yè)務(wù)經(jīng)營許可證:京ICP證110310號(hào)
頁面更新時(shí)間: 2025-06-03 00:46