The vertical distribution of lead, cadmium, copper, zinc and iron has been investigated in the sediments of East Lake, Wuhan.
采集东湖柱状沉积物，分析了铅、镉、铜、锌、铁等金属元素的垂直分布特征。
Remains of these plants, initially cultivated in the Near east, first appear in lake sediments in southeastern Europe and then spread to the west and north over the next several thousand years.
这些最初种植于近东的植物，其遗迹首先出现在欧洲东南的湖泊沉积物中，然后在接下来数千年间往西与北散布。
应用推荐