Diphenylene was synthesized directly from benzene under the catalytic effect of GaP nanocrystals, and the effect of GaP ......

ＤＨ－型柑桔保鲜药纸是由联苯，ＨＡ和工业石蜡等主要原料加工而成，具有制造工艺简单，使用方便，保鲜效果好，药品残留量低等特点，经贮藏试验，使用ＤＨ－１保鲜......