The kinetics and mechanism of exciplex formation of 9,10 - dicyanoanthracene ( DCA ) by acenaphthenone ( ANO ) have been studied.研究了苊酮 ( ANO ) 对9,10-二氰蒽 ( DCA ) 的荧光猝灭与激基络合物形成的动力学与机理....
Methods: Cell culture in serum - free medium , indirect immunofluorescence cytochemistry were used.方法: 采用无血清细胞培养技术, 间接免疫细胞化学染色法.Methods Single and double staining immunofluorescence techniques were used.方法采用免疫荧光单标记法和免疫荧光...
现在专家们都在赞美其貌不扬的马铃薯的种种好处。Now experts are extolling the virtues of the humble potato.将马铃薯戳一些洞，并用盐揉搓外皮。Prick the potatoes and rub the skins with salt.马铃薯仍然是最受欢迎的食物，其次是白面包。Potatoes are still the most popular food, followed by...
这座城市建在岩石上，四周筑有城墙。The city was walled and built upon a rock.暴徒用一堆堆燃烧的轮胎在大街上筑起了路障。The rioters barricaded streets with piles of blazing tyres.一些独居蜂会把巢筑在田间的地洞里。Some solitary bees make their nests in burrows in the soil....