Recently the spread of English and its dominant status in the world has been criticized by many writers by putting forward some negative effects.This paper asse
Based on the study of ore deposits and orebody structures of two sedimentary-exhalative ore deposits,i. e. , Changba and Xitieshan Ore Deposits, it is found tha
To evaluate the bioeompatibility of MIM 316L stainless steel, the percentage of S-period cells were detected by flow cytometry after L929 incubated with extract