在乙腈、聚乙二醇存在下, 用苯甲醚与硝酸铈铵反应合成了邻硝基苯甲醚.In the presence of ethanonitrile and glycol, anisole reacts with ammonium ceric nitrate to form o - nitroanisole.研究了五氯化钼参与的苯甲醚和叔丁醇在正己烷溶剂中的烷基化反应,结果显示出很高的对位选择性.The alkylation of anisole wi...
OFDM is a type of modulation is called orthogonal frequency division multiplexing.OFDM是一种新型的调制方式,称为正交频分复用.Orthogonal frequency division multiplexing ( OFDM ) is a multi - carrier modulation method .正交频 分多路 复用是一种 多载波调制 技术...