槲皮素的热降解机理及其分解动力学研究郭满满;肖卓炳;彭密军;于华忠;郭瑞轲【摘 要】Thermal decomposing curves of quercetin in different heating rates were obtained in the nitrogen atmosphere by TG-DTG technique. Four thermal analysis kinetic...

合成氨升温换热器英文    ## English Answer ##。    ### act to中文    A synthesis ammonia exchanger is a heat exchanger that is used in the production of ammonia. Ammonia...

铜作催化剂（范文3篇）以下是网友分享的关于铜作催化剂的资料3篇，希望对您有所帮助，就爱阅读感谢您的支持。《铜作催化剂范文一》一．概述铜基合成甲醇催化剂须经还原后才具有活性。还原反应是一个强放热反应，反应式如下所示：CuO + H2 ==== Cu + H2O + 86.7KJ/mol因此，在还原过程中应特别注意控制催化剂床层温度，防止催化剂过热发生铜晶粒烧结而损害催化剂活性。还原操作是开车过程中很...