Based on the advantages of the mixedclarifier and tower extractor,a multi-layer clarification extractor---a newtype of mixed clarifier,has been deve-loped,and h
The need of suitable projection tables for mapping the Chinese countrythat will stand both for the refine requirement of large scale maps as well asgeneral maps of either the whole country or the indi
Formerly No.713 Factory,Huaxing Metallur-gical & Chemical Co.under China Nuclear IndustryGeneral Corporation was established in 1958 and putinto operation in 19
A two-day Sino-Japanese Meeting onRare Earth which ended on November 1st,1990 in Beijing showed that more atten-tion will be payed on RE development,andRE will
Gansu Rare Earth Corporation is one of thelargest rare earth producers in China.Its annual pro-duction capacity of rare earth chloride has reached18000 ton REO
Can RE be used in the desulfurization of the acid-rain?Acid-rain is an air pollutant and consists ofsome sulfur-containing chemicals.Now the thermody-namic expe