Usually, to ensure that the flow downstream remains unaffected during the period of construction of a dam, the water is diverted through streams around the construction site and returned to the river.

Methods:Intestinal lymph flow was collected through an intestinal lymphatic cannula, and the amount was recorded with a measurable container, and its protein content was determined by Folin′s method.

Conclusion MR is an effective technique for measuring the blood flow in transverse sinuses, which can reflect the venous drainage dominance from the point of "quantity" view.