In 1885 , poet Ezra Pound was born in Hailey, Idaho.1885年, 诗人以期拉庞德出生在爱达荷州.Twenty million years ago, Idaho was not the arid place it is now. Rather, it was warm and damp, populated by dense primordial forest...2,000万年前，爱达...
The LaNiO _ 3 perovskite phase is the most active phase for ammoxidation.催化活性相主要是具有钙钛矿结构的组分.Ammoxidation catalyst ofm - xylene to prepare m - dicyanobenzene was studied.研究了间二甲苯氨氧化法生产间苯二腈的工业催化剂.Fig . 2. Two reactor design...
The outstanding performance in antioxidation and anti - cautery extended the duration of all the parts in transmission.优良的抗氧化能力及抗腐蚀能力,延长所有传动部件寿命.The mechanism of synthetic diamond antioxidation is also discussed.同时,探讨了人造...