Scientific application of chemical fertilizers


In recent years, due to improper use of chemical fertilizers by some peasants, the utilization rate of chemical fertilizers has been low, the cost has increased, and even crops have been damaged by fertilizer. The use of calcium, magnesium phosphate fertilizer as top dressing

Thermal Economic Analysis of Compressed Air Storage System

+ Thermodynamic Analysis of Thermal Cycle + Compressed Air Energy Storage System Lu Yuanwei, Liu Guanglin, Ma Chongfang, Lu Pengfei (Department of Heat Transfer Enhancement and Process Energy Conservation of the School of Environmental and Energy Engineering, Beijing University of Technol

Car chassis armor

As the saying goes, "The car is bad first." Chassis armor is a new project for chassis rust prevention in recent years. It is sprayed with a layer of viscous rubber varnish on the surface of the car chassis. It is non-toxic and sprayable.

German machinery and equipment manufacturing will record high this year

According to the German "Business Daily," the German machinery and equipment manufacturing industry has a better production situation this year. The domestic market has also begun to pick up as foreign markets have been prosperous. The German Association of Machinery and Equipment Ma