Ｓｔｕｄｙ　ｏｎ　Ｐｌａｔｅｌｅｔ－Ｄｅｒｉｖｅｄ　Ｇｒｏｗｔｈ　Ｆａｃｔｏｒ　ｍＲＮＡ　ａｎｄ　Ｃｏｐｐｅｒ－Ｚｉｎｃ　Ｓｕｐｅｒｏｘｉｄｅ　Ｄｉｓｍｕｔａｓｅ　ｍＲＮＡ　Ｅｘｐｒｅｓｓｉｏｎ　Ｃｈａｎｇｅｓ　ｏｆ　Ａｏｒｔｉｃ　Ａｒｔｅｒｙ　Ｅｎ... Study on Platelet-Derived Growth Factor mRNA and Copper-Zinc Superoxide Dismutase m......

A copper-zinc alloy doped with rare earth elements was prepared and the mechanism was demonstrated in a simulating boile......

Copper-zinc alloy element for boiler energy saving was put in the intake of simulated boiler system to investigate the i......

阐述了各种黄金电镀与仿金镀层电镀工艺，以及在锡镍、锡镍铜合金镀液中获得珍珠黑色镀层的方法。......