Recently, 898 high cross-link density vinyl resin produced by Shanghai Fuchen Chemical Co., Ltd. was successfully applied to the insulation of electric heaters with instantaneous high temperature of 300°C, and was highly evaluated by customers.
The h…
This article is the first chapter of the UIAA Alpine Medicine Information on the website of the British Mountaineering Association.
Http://
Original text revised by UIAA Alpine Medicine Center, Dr. Charles Clarke, 2002
Dr. Charles Clarke is a UIAA Alpine Medicine Consultant …
Polypropylene (PP) is the first synthetic fiber produced by Italy in 1960. It is the first isotactic (or isotactic) polymer obtained by targeted polymerization of propylene over Zieglar-Natta catalysts. , With high density, high crystallinity and high molecular…
The new device is equipped with a cell system function.…
Hidden bar code anti-counterfeiting technology is the latest technology in the anti-counterfeiting industry. It has been widely used in the management of books, magazines, tickets, invoices, goods, etc. The important areas of true and false identification are n…