It enables a specific gene to be located on a particular restriction enzyme fragment.它就能使专一的基因被定位于特定的限制性内切酶切成的片段上.And what is more: The technique can be used with all objective magnifications is no restriction.特别提示: 这种技术...
恺撒挥师北上，深入到多瑙河沿岸的森林地带。Caesar marched north into the forests that border the Danube River.我们开车经由洛维奇到达了多瑙河畔的古镇鲁塞。We drove via Lovech to the old Danube town of Ruse.他们在多瑙河和希腊之间定居下来.They established themselves between the Dan...
亚胺基杂环丙烷季铵盐的阳离子,一定是按协同反应的方式开环的.The aziridinium ions must all be opened by a concerted process.偶氮杂环丙烷是一类重要的 、 环内张力颇大的化合物.The diazirines are interesting , highly strained ring systems.在最佳反应条件下,环丙烷羧酸异丙酯的产率达92%.Under the opti...
用酸奶油或原味酸奶稀释蛋黄酱。Thin down your mayonnaise with soured cream or natural yoghurt.如果你在意卡路里的摄入量，就不要吃蛋黄酱。If you're watching the calories, don't have mayonnaise.面包、油酥点心和蛋黄酱都是家里做的。The bread, pastry and mayonnaise are h...