Roles of renal vasa recta in maintaining medullary osmotic pressure gradient .
直小血管在维持肾髓质渗透压梯度中的作用。
Effect of sowing density on biology character and yield of tagetese recta l.
种植密度对万寿菊生物学及产量性状的影响。
Objective : to find out the living quality of the patients with recta cancer who were in the convalescence after miles operation and discuss the changes of making-ora nursing status in different periods .