The results showed that the combination of two or three markers could increase the accuracy of estimation of the AIA (Acid Insoluble Ash) flow at duodenum.

• 利用单相指示剂计算食糜干物质流量变异很大,其中Co估测值最低,Yb估测值最高,Cr估测值变异最大,利用两相和三相指示剂估计的流量值处于中等。 多相指示剂的使用可显著提高十二指肠酸性洗涤不溶灰分流量估测的准确度。