Vaccination has a preventive effect.
种了一次牛痘，起预防作用。
Objective: To explore the preventive effect of acupuncture on osteoporosis.
目的：探讨针刺对骨质疏松的防治作用。
The application shows the mould inhibitor has better mildew preventive effect.
应用结果表明，该防霉剂具有较好的效果。
The Liganshu granules have the preventive effect on immune liver injury in mice.
利肝舒冲剂对小鼠免疫性肝损伤有预防作用。
The pit and fissure sealant have significant preventive effect on carious teeth.
窝沟封闭能有效预防窝沟龋的发生。
Objective: To observe the preventive effect of Wuxingye on gastroenteric diseases.
目的：探讨五行液预防胃肠道疾病的功效。
Objective: to study the preventive effect of bovine colostrum powder on rat diabetes.
目的：探讨牛初乳粉对大鼠糖尿病的预防作用。
Objective To study the preventive effect of grape procyanindin(GPC)on thrombosis of mice.
目的观察预防性给予葡多酚（GPC）对小鼠血栓形成的影响。
Objective To study the preventive effect of azathioprine on chronic cerebral vasospasm(CVS).
目的观察免疫抑制药物对慢性脑血管痉挛的预防作用。
Conclusion: the pit and fissure sealant have significant preventive effect on carious teeth.
结论：窝沟封闭能有效预防窝沟龋的发生。
Conclusions: It is suggested that CAM have significant preventive effect on stone recurrence.
结论：复方枸橼酸合剂有明显抑制尿路结石复发的作用。
Purpose: to study the preventive effect of citric acid mixture (CAM) on urinary stone recurrence.
目的：研究复方枸橼酸合剂对尿路结石的预防作用。
To evaluate the radiation preventive effect of a newly-founded isotope device in a coking factory.
目的对某焦化厂新建同位素装置进行放射防护控制效果评价。
EHEC has the preventive effect on the bacterial translocation from gut after major liver resection.
结论EHEC可以有效地预防大鼠肝部分切除术后肠道菌群移位的发生。
Objective to observe the preventive effect of L arginine on the HD DDP induced acute nephrotoxicity.
目的：观察l精氨酸预防大剂量顺铂急性肾毒性的临床疗效。
Objective: To observe the preventive effect of hemostasis decoction of Diyu on acute radical rectum injury.
目的：观察地榆止血汤(加减)预防护理急性放射损伤效果。
Objective To observe the preventive effect of sequential dialysis on hypotension associated with hemodialysis.
目的观察序贯透析在预防血液透析相关性低血压的效果。
Objective To study the preventive effect of ofloxacin and chymotrypsin on post -operative peritoneal adhesion.
目的探讨氧氟沙星、糜蛋白酶腹腔灌注对污染手术后腹腔粘连的预防作用。
Objective: To study the preventive effect of high-dose methylprednisolone on acute spinal cord injury in rats.
目的：探讨大剂量甲基强的松龙对急性脊髓损伤大鼠神经功能的预防保护作用。
Objective To observe the preventive effect of esmolol on the adverse cardiovascular responses during extubation.
目的观察术毕静脉注射艾司洛尔预防气管导管拔管期心血管不良反应的效果。
Objective To observe the preventive effect of electrotherapy with Chinese herbal medicine on post-stroke constipation.
目的观察中药电熨疗法对脑卒中后便秘的预防作用。
Objective To summarize the strategies and technical measures of filariasis control, and evaluate the preventive effect.
目的总结丝虫病防治对策和技术措施，评价防治效果。
Unfortunately, their small sample size precluded the authors from suggesting the training program had a preventive effect.
不幸的是，他们的小样本阻止作者认为这样的训练计划有预防的作用。
Objective To explore the preventive effect of Celecoxib on recurrence of the familial polyposis coli (FPC) after operation.
目的探讨塞莱昔布对家族性结肠息肉病病人术后的肠息肉的防治作用。
Objective To explore the preventive effect of Weikang granule on gastric ulcer and gastric mucosa damage in rats and its mechanism.
目的探讨胃康颗粒对大鼠胃溃疡及胃黏膜损伤的保护作用及其机制。
To explore a practicable method used in occupational disease hazard control and preventive effect evaluation of industrial projects.
探索建设项目职业病危害评价中有毒物质控制效果评价一种可操作的方法。
To learn the outbreak situation of legal infectious diseases in Fuzhou in 2004, study its prevalence trend and evaluate preventive effect.
目的了解福州市2004年法定传染病发病现状，探讨其流行趋势，评价防治效果。
Objective to observe the preventive effect of early postoperative hypoxemia in aged patients with oxygenator by intravenous oxygen delivery.
目的探讨舒氧康静脉给氧对老年病人术后早期低氧血症的防治效果。
Objective To investigate the preventive effect of quercetin on DNA damage in human epidermoid carcinoma cells induced by ultraviolet a (UVA).
目的观察长波紫外线引起人表皮癌细胞DNA链断裂损伤的情况，以及槲皮素对这种损伤的预防作用。
Objective To investigate the preventive effect of quercetin on DNA damage in human epidermoid carcinoma cells induced by ultraviolet a (UVA).
目的观察长波紫外线引起人表皮癌细胞DNA链断裂损伤的情况，以及槲皮素对这种损伤的预防作用。
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