Automatic constant pressure differential valve + electric control valve is currently used to solve the balance of air conditioning water system is a very good way, when the system pressure changes, the constant pressure valve can be changed by its own flow area so that the electric control valv.......
China, October 23, 2006 - STMicroelectronics (NYSE: STM) today unveiled the STR750F family of ultra-integrated microcontrollers, further expanding the company's popular ARM7TDMI-STM core-based STR7 Series 32-bit microcontrollers.
The new series is the first genera.......
The new series is the first genera.......
With the rapid development of the chemical industry, the chemical industry park has rapidly emerged in China as a form of development with high energy recycling and low pollution. However, when it comes to the chemical park, it is reminiscent of the sky and the pungent odor in the air covered .......
Discussion on the Replacement of Pressure Pump with Oxygen Cylinder for Hydraulic Pressure Test
1 Introduction
Hydrostatic test is a necessary process after the installation of the heat pipe. The traditional hydraulic test is to use a pressure test pump to fill the .......
Recently, the “Automatic Biochemical Analyzer Industrialization†project of the Jilin Province Science and Technology SME Innovation Fund, undertaken by Changchun Guangji Medical Instrument Co., Ltd. (transformed by Changchun Institute of Optics and Mechanics, Chin.......
As the spring plowing season approaches, dealers' enthusiasm for preparing fertilizers and the amount of fertilizer used by farmers are also increasing. In February, the price of agricultural materials in Hunan increased steadily. According to the monitoring report issued by Hunan's pr.......
On March 4th, at the fourth session of the 10th session of the CPPCC National Committee, Li Zibin, member of the National Committee of the Chinese People's Political Consultative Conference and deputy director of the National Development and Reform Commission, told this reporter that the a.......
The development of industrial robots is the dream of all machinery manufacturers. After three years of research, Yumen County Kanmen Machine Tool Plant finally dreams come true. These industrial robots, which they developed, are capable of accomplishing many dangerous activiti.......
Xinhua News Agency, Stockholm, April 20, reporter Ma Shijun According to "Swedish Daily" reported on the 20th, Sweden Volvo Trucks Co., Ltd. announced the launch of a new environmentally friendly heavy truck. The emissions of this new type of truck comply with the la.......
At the 2006 Beijing Internal Combustion Engine Exhibition, Dongfeng Chaoyang Diesel Engine Co., Ltd. launched two series of diesel engines dedicated to off-road SUVs and casual urban SUVs. This product positioning method is the first in China, and the two series The introducti.......
Steering booster pumps are the "heart" of the steering system as the power source for steering the car. In developed countries, large and small cars power steering loading rate has been close to 100%, at present, many domestic models have begun to use power steering. T.......
Yesterday, Zhejiang's first subway shield cutterhead was unveiled at Hangzhou Pan Group, a subsidiary of Hangzhou Xizi Group. Shield is also called full-section tunnel boring machine, which is widely used in urban subway tunnel and railway road tunnel construction. The cut.......