南天星座之一。中心位置:赤经20时50分,赤纬-36度。在摩羯座之南,天鹤座和人马座两座之间。座内无亮于4等的星,有5等星14颗。
在一座可以俯瞰东河的八层实验室里,科妮莉亚·I·巴格曼正观察两位同事熟练操纵着显微镜下的蛔虫。
In an eighth-floor laboratory overlooking the East River, Cornelia I. Bargmann watches two colleagues manipulate a microscopic roundworm.
建立了一种用带有能谱仪的扫描电子显微镜(SEM - EDXA)测定麦草细胞壁木素分布的方法。讨论了溴化、切片厚度和样品座对定量测定的影响。
A method has been developed for the determination of lignin distribution in wheat straw cell walls by scanning electron microscopy coupled with energy dispersive X-ray analysis (SEM-EDXA) technique.
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