In order to build a model for the Chang-8 low permeability sandstone reservoir in the Yanchang formation of the Xifeng oil field,we studied sedimentation and di
We report a case of intrarenal teratoma arising from a horseshoe kidney. A 6-day-old girl was admitted with an abdominal mass that had been noticed at 37 weeks
An analysis of the distribution of the Late Paleozoic strata on Northeast China and adjacent region reveals a zonal pattern of the distribution around the core