As of October 23,three major domestic listed companies of carbon black had disclosed their state of operation for the first three quarters,which showed that bot
AIM:To assess patients’ understanding for the reasons for taking 5-aminosalicylic acid or ursodeoxycholic acid as chemoprophylaxis against colorectal carcinoma
An experiment on effects of composite promoting agents composed of surfactants and liquid hydrocarbons on hydrate formation was conducted and the hydrate format