To study the effects of the medicine_food herbs on removing lead from workers exposed to lead.
研究药食两用中药预防性驱铅效果。
Objective To study the health state of workers exposed to tetraethyl lead petrol, and to find a surveillant index for them.
目的研究接触四乙基铅汽油作业人员健康状况，探讨四乙基铅汽油接触者的监护指标。
Methods The activity of urine NAG was determined by colorimetry with para-nitrophenol in 85 workers exposed to lead.
方法采用对硝基苯酚比色法对85名铅作业工人尿nag活性进行测定。
Objective to investigate the early monitoring indexes of chronic renal injury in lead exposed workers and the clinical value.
目的探讨铅作业工人慢性肾损害早期监测指标及其临床意义。
The dose-response relationships among the blood lead and other biological parameters had been revealed in the workers exposed to lead.
血铅与其他参数也有相关，得到很好的剂量-反应关系。
Objective: To investigate the changes of the activities of urine brush border enzymes in lead exposed workers and their significances.
目的：探讨铅接触者尿绒毛膜酶活性的变化及其意义。
The blood and urine lead level were determined from 72 workers exposed to different porcelain dust. Symptom scoring method was used to evaluate the severity of the hazard to workers.
本文测定了瓷尘作业环境及72名工人血、尿的铅量，并用症状评分法评价其对工人的危害。
The blood and urine lead level were determined from 72 workers exposed to different porcelain dust. Symptom scoring method was used to evaluate the severity of the hazard to workers.
本文测定了瓷尘作业环境及72名工人血、尿的铅量，并用症状评分法评价其对工人的危害。
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