Phosphate and total NO3+NO2 of sediment core M137_751-1 after freeze/thaw exp...

In these experiments, the sediment was frozen and thawed (twice) and then filtered and nutrients measured.在本实验系列中，沉积物经两次冷冻-解冻循环处理后，依次完成过滤操作，并对其中的营养物质含量进行了测定。