The protective rate of intervention measures on typhoid and paratyphoid for students was 84.58%.
干预措施对学生发生伤寒副伤寒的保护率为84.58%。
参考来源 - 广西全州县寄宿制学生伤寒副伤寒综合干预效果评价—《中国学校卫生》—2010年第5期—龙源期刊网·2,447,543篇论文数据，部分数据来源于NoteExpress
The ducks were inoculated with inactive vaccine made from isolated strains, and the protective rate could reach 98.3%.
用分离菌株制成的灭活菌苗免疫当地小鸭，免疫保护率可达98.3%。
Chinese herbal compound prescription had better protective effect on preventing colibacillosis in broilers with the protective rate of 93.3%, which was the same with that of amikacin.
中草药复方制剂对预防肉仔鸡大肠杆菌病有较好的保护作用，保护率为93.3%，与丁胺卡那霉素相同。
The skin's protective reaction of constricting surface blood vessels is slower with age, and the cold-induced rise in metabolic rate is also weakened in older people, but the mechanism is unknown.
随着年龄的增长，皮肤的保护性反应——表层血管的收缩减慢，对低温的反应可以增加代谢率，可老年人的代谢率却在不断减弱，哪一代谢机体的下降却不明。
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