一本大道色卡1卡2卡3,岳的又肥又大水多啊喷了视频,一进一出一爽又粗又大,BT天堂顶级少妇

International LED lighting classification adoption of Chinese standards

time:2017-07-29 12:19:00 browse:4468次

China /LED semiconductor lighting industry and semiconductor lighting technology alliances and joint evaluation alliance today released 4 LED lighting technology standards, to fill the gaps in China standard LED lamp, to regulate and guide the development of LED lighting products market, promote enterprises to participate in international competition is significant.


These 4 standards are "general lighting with non directional self ballasted LED lamp specification classification", "general lighting with non directional self flow LED lamp performance requirements", "double end LED lamp safety requirements", "double end LED lamp performance requirements".


Among them, "general lighting, non directional self ballasted LED lamp specification classification" as an important basic standard of semiconductor lighting industry, has been adopted by the authoritative international standard organization, the International Electrotechnical commission. This classification standard in the world for the first time with the lighting effect of "lumen", instead of the traditional "tile", as a division of LED lamp specifications of the new concept, more reflect the LED lights, high efficiency and energy saving characteristics and advantages.


It is understood that the current market lighting products are incandescent lamps, energy-saving lamps and LED lights, of which LED lights in energy-saving, life and other advantages, and is the development of intelligent. At present, China's LED lights and other efficient lighting products to the world, the biggest obstacle facing is technical standards and quality certification issues. In April this year, Hua Shuming, director of the national electric light quality supervision and Inspection Center (Beijing), was elected chairman of the Advisory Committee of the International Electrotechnical Commission, and will directly participate in the formulation of international standards for related fields on behalf of china.


The national electric light source quality supervision and Inspection Center (Beijing) semiconductor lighting research director Zhang Wei said that the inclusion and advisory group chairman specification classification standard was elected, not only affirmed the international competitiveness of Chinese lighting industry, increase participation and initiative in the international standard revision work in China lighting industry.


UNEP representative Zhang Shigang said that the United Nations Environment Programme on the work of energy-saving emission reduction Chinese make highly recognized in the lighting field, and in November this year for the first time, global Lighting Forum held in Beijing, will be invited to government agencies, more than 80 national industry associations, enterprises and relevant international organizations on behalf of the participants, the development of global the action plan, identify priority areas, accelerate the popularization and application to promote efficient lighting products.


According to reports, about 90% of the world's energy saving lighting products in China production, so the UNEP global efficient lighting center located in Beijing, the United Nations is few in the global technology center in developing countries.
top
欧美国产成人精品一区二区三区 | 人人妻人人澡人人爽欧美一区双| 女人被男人躁得好爽免费视频| 欧洲熟妇精品视频| 国内精品伊人久久久久影院对白| 欧美精品v国产精品v日韩精品| 欧美成人精品高清在线观看| 国产在线无码一区二区三区| 久久精品国产亚洲av麻豆~| 在线看片无码永久免费视频| 国产在线无码视频一区| 免费无码又爽又刺激高潮| 婷婷亚洲五月| 内射少妇36p九色| 性人久久网av| 亚洲精品久久久www小说 | 亚洲 中文 欧美 日韩 在线| 强行交换配乱婬bd| 成全高清视频免费观看动画| 最新国产av无码专区亚洲| 好吊色欧美一区二区三区视频| 97影院在线午夜| 久久精品麻豆日日躁夜夜躁| av在线亚洲男人的天堂| 中文字幕一区二区三区日韩精品 | 狼人香蕉香蕉在线28 - 百度| 国产精品自在拍在线拍| 在线精品视频一区二区三区| 婷婷五月综合激情| 精品人妻系列无码人妻漫画| 精品无码一区二区三区爱欲| 男女作爱在线播放免费网站| 艳妇臀荡乳欲伦交换h在线观看 | 国产精品丝袜一区二区三区| 少妇人妻无码精品视频app| 色综合av综合无码综合网站| 丁香五月亚洲春色| 狠狠综合久久av一区二区| 出差老总吃我的奶头| 人妻换人妻aa视频| 黄又色又污又爽又高潮动态图|