According to the data released by the China Association of Automobile Manufacturers, vehicle production and sales in May continued to decline month-on-month, and year-on-year growth, with a total of 835,500 units sold, a decrease of 9.44% month-on-month; passenger car production and sales decreased

According to the market monitoring released by the Ministry of Commerce's “Business Forecast,” the average domestic steel price in May was 6,186 yuan per ton, up 4.69% from April. Among them, wire rod rose 8.84%, sheet metal rose 3.25%, pipe and profile rose 4.92%. According to the

—— Interpretation of recently introduced laws and regulations in China (Part 3) The new version of "Hygienic Standards for the Use of Food Additives" (GB2760-2007) has been formally implemented since June 1. This new standard puts higher safety and hygiene requirements on C

The Eleventh Five-Year Plan first proposed that by 2010, the unit water consumption for industrial added value will be reduced by 30% and the effective utilization factor for irrigation water for agriculture will be raised to 0.5. How to achieve this goal? Reporter with the "water-saving line o

General principles for design: Safety, reliability, forward-looking, rational and practical layout, compliance with environmental requirements, and consideration of advanced nature under the premise of ensuring safety (Ellis et al., 1990; Chen Shuping 1995). Due to the strong professiona

Apollo Tyres, the Indian auto tire manufacturer, recently announced that Apollo will invest 6.6 million euros and 30 million US dollars in its Dutch and South African factories to increase production capacity. After the expansion, the annual production capacity of Apollo's Dutch plant w

At present, China has become the world's largest tire producer and its share of the global market has been increasing year by year. In the face of the Chinese tire market, which has grown at a rate of more than 20% each year, multinational corporations have stepped up their staking of enclosures

The Nanjing Petroleum Geophysical Exploration Institute of Sinopec Petroleum Exploration and Development Research Institute and the Shanghai Institute of Microsystems of the Chinese Academy of Sciences have worked closely together. After more than a year of hard work, the three-com

Recently, the "New Rare Earth Permanent Magnet Motor Design and Integration Technology Research" project has achieved breakthroughs. This project successfully developed a 2.2 kW ironless motor and a 5 kW transverse flux motor. The developed iron-free motor efficiency reac

As the main raw material of China's textile industry, chemical fiber has developed rapidly since the reform and opening up, and its rapid growth has been continuous for 27 years with an average growth rate of 16.2%. Taking 2005 as an example, the output of chemical fiber was 16.29 million tons,

In the past year, air-source heat pump water heaters have drawn more and more attention from new energy industry people with the advantages of all-weather, convenience and energy saving. With the development of air-source heat pump water heaters by many manufacturers producing solar water heaters a

Abstract: This paper first introduces the concept and working principle of water source heat pump technology, compares it with that of boiler and air source heat pump, and draws a conclusion that water source heat pump technology is a technology that makes use of renewable energy. Subsequently, the