Particle collectionEjector venturis are effective in removing particles larger than 1.0 m in diameter. These scrubbers are not used on submicrometer-sized particles unless the particles are condensable [Gilbert, 1977]. Particle collection occurs primarily by impaction as the exhaust gas (from the process) passes through the spray.The turbulence that occurs in the throat area also causes the particles to contact the wet droplets and be...more
As "life expectancy is only 30 years of Chinese Architecture," the statement was public concern, and the other building energy efficiency standards have become the focus of the industry. Island United Group 5 co-Lu, vice president of international demand, told reporters that the calculation of carbon emissions, construction methods and standards need to change, the most important thing is simply to change the current concern about the...more
Opportunities and challenges: Expansion of solar PV demand led to acute shortage of polysilicon soaring prices Affected by economic crisis, Semiconductor And photovoltaic industries of the sharp decline in demand for polysilicon Domestic enterprises to invest in polysilicon can not simply rely on existing technology Different power consumption level of domestic enterprises, level uneven Related data: Since 2004, polysilicon prices have soared, in 2008 up to 450 U.S. dollars / kg In 2008, the annual PV market installed capacity of new 5.5GW, 2007 annual new installed capacity of 2.4GW Domestic enterprises and high power consumption in integrated than in the 300kWh/kg, low power consumption is about in the 200kWh/kg PV expansion led to acute shortage of demand, since 2004, polysilicon prices have soared, in 2008 up to 450 U.S. dollars / kg, silicon photovoltaic industry chain to become the darling of investors, investment polysilicon expansion project continued, mainly 3, the forces: First, the world's seven top ten plant expansion (the United States, MEMC and Hemlock, Norway's REC, Japan's Mitsubishi, SumitomoTitanium and Tokuyama, Germany, Wacker), cost leadership maturity of the...more
History Additive methodsThe earliest practical and commercially successful color photography process was the Lumire Autochrome process. This was an additive method, using a panchromatic emulsion coated upon a plate coated with a layer of dyed potato starch grains. Autochrome was discontinued in 1937 and replaced with Lumicolor in sheet film and...more
Crystal City, East China Sea Crystal City from the East China Sea East China Sea, the county supply and marketingCooperation General Club, founded in 1992, a total investment of more than 7000 million, covers an area of 18,000 square meters of business area of 36,000 square meters, housing more than 700 fine, the counter section 700, operating more...more
March 18, 2010 afternoon, "Sokkia Cup 2009 top ten video industry awards ceremony and press conference named" Diaoyutai State Guesthouse in Beijing grand started, the site of heroes meet, star bright. As audio-visual industry's most influential brand contest, the organizers once again heavy HC Media Network to create "business Oscar", 60 enterprises from the country and its brand selection board had the highest step of the podium. HC Network Chairman of the Board Guo Fansheng, HC Lili Biao, general manager of Network Video, China Video Association, the Secretary-General of white people, China Video Association Deputy Secretary-General Hao Yabin, State Information Center, Director of Market Information Office Cai Ying, Deputy Secretary of the China Semiconductor Industry Association Xu Chen of China Ministry of Information Industry figures TV Receiving equipment and performance standards, Team Leader and Research Institute of China Electronics Technology Group, Senior Engineer Liu Quanen Third, China Household Electrical Appliances Research Institute of Industrial Economics and Technology, Deputy Director Zhang Yachen economy, China Optics and Optoelectronics Manufactures...more
- More than 80% in Japan from China Rare Earth- United States, the world's rare earth reserves, the second, but stop their exploitation in favor of imports from China Although China has more than 50% of the world's rare earth resources and reserves,...more
LED industry to accelerate expansion in China is to change Green, low carbon, environmentally friendly call, the energy-saving environmental protection the theme of low-carbon economy will no doubt become the main theme in 2010. Especially in...more
By the China Textile Information Center and the National Textile Product Development Center organized the "23 th (2011 Spring) Fabrics China Appraisal" was held recently. Activities Since 1999 the industry came accompanied by 11 years.National...more
The objects themselvesBy submitting some of them as art to art juries, the public, and his patrons, Duchamp challenged conventional notions of what is, and what is not, art. Some were rejected by art juries and others went unnoticed at art shows.Most...more
Recent years, China Machine Components rapid development of foreign trade showed a tendency to bearings, chains, fasteners and other products of export volume and export share growth year after year, in 2007, China's import and export of mechanical...more
Common arrangement of work sections Front cover of Common arrangement of work sections for building worksAuthorCPICCountry United KingdomLanguageEnglishPublisherCPICPublication date1998Media typePrint (Paperback)Pages180ISBNISBN 0 9512662...more