Laba Festival, the eighth day of the twelfth lunar month, was originally a Buddhist festival to comm...
It is recommended to eat foods rich in protein, fresh vegetables
Cold patients are prone to runny nose, sneezing, headache, dry throat, sore throat, throat itching a...
The core of biosafety laboratory is safety, which is divided into P1, P2, P3 and P4 levels according...
It is protected by spraying tin tetrachloride and metal compounds that can improve electrical conduc...
The disposable electric knife pen consists of a knife head, a handle and a connecting cable.