达尔宗湖黑碳样品扫描电镜图(SEM)与能量色散光谱图(EDS) (IMAGE) Science China Press Caption (a), (c), (d)深度83.5cm (1917CE)黑碳样品; (b)湖泊煨桑后表土中的黑碳样品;(1), (2)对应黑碳样品的能量色散光谱结果 Credit ©《中国科学》杂志社 Usage Restrictions Use with credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.