The distribution as well as the content of the particles in N-P electroless codeposits is determined by means of conventional stereome-tric metallograph.
The sythesis of Monuron herbicide by oxidative-reductive carbonylation of dimethyamine and p-ClC6H4NO2 using selenium as catalyst and organic base as cocatalyst was studied.
N butyl 2 ethoxy thioacridone was prepared from o chloro benzoic acid and p phenetidine by means of Ullman reaction,cyclization,N alkylation and sulfurization.
Two different kinds of palladium complexes of nitrogen containing polymere havebeen prepared and their catalytic actions for p -nitro -methyl benzfene have been invertigeted.
The relevant hormone determining results show: Prolactin (PRL), estradiol (E2) and progesterone (P) content in serum have regularly changed during reproductive and nonreproductive phase.
Results The efficacy of our new pneumatic activated esophageal variceal ligator is very good and superior to Japanese s product in some aspects.Conclusions The new p...
Methods The expression of FHIT and PCNA protein in 10 normal endometria, 16 endometrial atypical hyperplasia and 44 endometrial carcinoma tissues was observed by immunohistochemical S-P method.