当归作为药食两用的品种,年需求量逐年增加.国外与归油还用作化工原料.Abroad and put in oil's charge to still use as industrial chemicals.目的: 研究当归的抗衰老作用及作用机制.Objective : To evaluate the effect of angelica in antiaging.结果: 三七、赤芍、延胡索、当归薄层色谱图斑点清晰,重现性好,无干...
连续式的角度指示器, 如同步器, 感应同步器或微 动同步 器也都能应用.Continuous angleindicating devices , such as synchros, incluctosgns, or microsyns, may be used.连续式的角度指示器, 如同步器, 感应同步器或微动同步器都可用.Continuous angle - indicating devices , such as synchros,...