Chaonong Chemical Diphenyl Urea Project Accepted Completion Acceptance

On the 27th, Chaonong Chemical Diphenylurea Project (60t/a phenyl-3-(2,6-difluorobenzoyl)urea project) passed acceptance by Xuancheng Security Administration. Chaonong Chemical started the construction of the 60-ton/year diphenyl urea project in February 2008. In September 2009, Xuancheng .......

Application of oil-free screw air compressor in Changbei CPF

Application of Oil-free Screw Air Compressor of Inner Mongolia Petrochemical in Changbei CPF Zhang Zhanping, Yu Zhi, Wang Hudan (1. Changqing Oilfield Company Gas Production Plant 2; 2. Changqing Oilfield Company Changbei Natural Gas Development Project Manager, Shaanxi Yulin Problems and.......

Reducer's optimized pen


The cover of the reducer optimization may be a pen. The gear reducer popular in the market years ago is still the mainstream product today. Is it the miniaturization of the reducer? Horizontal block electromechanical conversion. All of these have given the reducer more arrogance in the qui.......

Proper use and maintenance of the battery for extended service life


In general, the normal life of a car battery is 2-3 years, but if it is used improperly, it is likely to damage or shorten the service life of the battery. Therefore, the owner should use the car battery properly at ordinary times.

Battery Usage Note 1. It is best not to use the .......

US company research and development of aircraft robots co-pilot

Joe lWalker, a pilot at Aurora Flight Sciences, a U.S. manufacturer of autonomous aircraft, is driving a storm on his small twin-engine aircraft that is about to reach 5,000 feet (1,524 meters) He pressed a red button at the top of the lever and handed control of his flight to hi.......