Igamberdyeva G O, Abramova N S, Voronina N V
Gig Sanit. 1994 Apr(4):54-5.
Analysis has shown that the ration of pupils mastering tractor driver profession is insufficient. Excretion of vitamins with urine in 20-68% pupils is lower than the standard. Blood protein and protein fractions content indicated a decreased protein synthesizing function of the liver. Energy expenditures of pupils are 3040-3200 kcal/d.
分析表明，掌握拖拉机驾驶专业的学生比例不足。20%至68%的学生尿液中维生素排泄量低于标准。血液蛋白质及蛋白质组分含量表明肝脏的蛋白质合成功能下降。学生的能量消耗为每日3040 - 3200千卡。
