8.Preparation process of p cymene with gas phase catalytic dehydrogenation of industrial dipentene was studied and the following results were obtained.
12.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.
13.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.
14.Two different kinds of palladium complexes of nitrogen containing polymere havebeen prepared and their catalytic actions for p -nitro -methyl benzfene have been invertigeted.
15.The charge traps and their properties of storage charge in PDCPX (Polydichloro-P-Xylylene) organic foil material, which has been heat-processed with certain condition are discussed.
16.The relevant hormone determining results show: Prolactin (PRL), estradiol (E2) and progesterone (P) content in serum have regularly changed during reproductive and nonreproductive phase.
17.A new tetrakis( p glycylglycinephenyl)porphin and its rare earth (Yb,Sm) complexes were synthesized.They have been characterized by elemental analysis,UV vis,IR, 1HNMR and laser Raman spectra.
18.Objective To develop a simple and effective m etho d for the separation and purification of chymopapain and study the zymological p roperty of the enzyme.