Gears are important parts of mechanical products and have been widely used in various industries.A spur gear was broken early in a transmission chain.This artic
Infrared photodetectors have been used extensively in biomedicine, surveillance, communication and astronomy. However, state of the art technology based on III-
Sucrose ester( SE) was fixed on surface of poly( ethylene terephthalate)( PET) fibers to improve surface activity. Chitosan( CS) was used to graft onto pretreat
The antibacterial dressing prepared by the electrospinning can play a role in protecting the wound,preventing infection and promoting wound healing,and have bro