希腊生产耐火级铬铁矿石已有百余年历史.Greece has been producing refractory grade chromite ore for more than a hundred years.许多由沙漠侵入这些牧场的灌木种都是耐火的.Many of the desert scrub species that have invaded these ranges are fire intolerant.硅酸铝 ( 陶瓷 )...
按这种方式使用的二极管叫做整流管.A diode used in this manner is called a rectifier.整流器;整流管:一种将交流电流转化为直流电流的装置, 如二极管.A device, such as a diode, that alternating current to direct current....
非竞争性拮抗剂可阻止激动剂在特定受体部位产生任何效应.A noncompetitive antagonist prevents the agonist from producing any effect at a given receptor site.反向激动剂有良好的临床应用前景.Recent investigation suggested that inverse agonist has potential clinical ap...