Recently, Jiangsu Institute of Technology Mechanical Engineering and Jiangsu Jinshi Machinery Group Co., Ltd. jointly undertaken by Jiangsu Province, scientific and technological project "large-caliber ball valve research and development," passed the Jiangsu Provincial Science and Technolo

Waste printed circuit board is a mixture of glass fiber reinforced resin and a variety of metals, is a typical e-waste, if not properly handled, not only will cause a substantial loss of useful resources, and its contained a large number of harmful substances will be environmental and human Health h

Recently, the China Environmental Labeling Product Certification Committee held a press conference in Beijing to announce that the State Environmental Protection Administration has officially promulgated "Furniture," "Shoes," "Wallpapers," and "Ceramics, Glass-Cer

Valve corrosion, usually understood as the valve metal material under the chemical or electrochemical environment suffered damage. As "corrosion" occurs in the spontaneous interaction between metal and the surrounding environment, how to separate metals from the surrounding environment or

The 97th China Export Commodities Fair (Canton Fair) was held in Guangzhou as scheduled. It was at the chemical and mineral exhibition zone of Pazhou International Exhibition Center as the first exhibition on April 20th. The reporter learned from the organizing committee that the total turnover of

The Jiangsu Provincial Department of Science and Technology organized relevant experts to appraise the “Application and Demonstration Project of Fresh Chrysanthemum Microwave-airflow Drying Technology” undertaken by the Nanjing Agricultural Mechanization Research Institute of the Mi

Over the years, pesticide residues in vegetables have been exceedingly prominent, and pesticide poisoning events have often been reported. One reason is that farmers do not apply pesticides according to the prescribed dosage, frequency, method or safety interval, or use highly toxic

Model NO.: TY-JC0006 Trademark: DWIP Specification: 100*60*23mm

Model NO.: DSF-4U Connection

Model NO.: BR-5200D Needle Number: Single Needle Stitch Type: Lock Type

From January to July this year, the economic operation of the national machinery industry continued to grow steadily, but the growth rate slowed down compared to the first three months. The effect of the state's macroeconomic regulation and control was further manifested in some industries,

[Abstract] The technology of using heat pump to convert the heat energy of air or air-conditioning water into the heat energy of domestic hot water has been well applied in developed countries. This paper introduces the structure and working principle of heat pump, Application example. [Key words] h