【摘要】 <正> 吾人早知引起人类維生素B₁的不足或缺乏的原因除了由于食物內維生素B₁供应不足或腸道吸收发生障碍外,还可能来自体內維生素B₁消耗量的增加,此既可能由于体內碳水化物的利用,如肌肉劳动的增加,亦可能由于維生素B₁从汗液的排出量增加而引起。更多还原

【Abstract】 1 The thiamine loading tests in thirty workmen working under condition of radiation heat(41℃)were performed.The average 24-hour excretion was 11. 6 ± 1 .15 % with the rangeof 3. 4 % to 26. 4 %.2 The thiamine Loading tests in seventeen workmen working under usual high temperature(34℃) were performed.The average 24-hour excretion was 9.10 ±1.52%with the rangeof 3.2% to 29.6%.3 The results showed that there was a status of thiamine deficiency existing in pertinentworkmen both under usual high temperature and radiation heat.4 Possible factors causing thiamine deficiency were discussed.更多还原