预防

Comprehensive presurgical examinations, precise diagnosis, and the surgeon's experiences may have influence on the incidence of these risks. In this article, a case of displacement of dental implant into maxillary sinus was presented. We also discussed the possible occurrence reasons and the ways how to resolve and avoid it.

充分的术前检查、诊断与医师的经验及熟练度，往往会影响术后发生并发症的机会，本文将提出一个病例，发生人工牙根位移到右上颚窦内，经转诊到本院来处理，并搜寻相关文献探讨其可能的发生原因、解决方法、预防之道。

In terms of the injury prevention, the enforcements were teacher's lack of confidence, parent's incooperation, too much uncertain factors and so on.

对于伤害预防幼儿教师信心不足，认为家长不配合、不可预知的不确定因素过多等是幼儿伤害预防存在的主要困难。

The results show:①the injury causes both physical and psychological block in the athlete, which will directly influence the injured athlete in future training, competition and recovery;②most of the athletes are lack of the knowledge about injury prevention and the means of psychological recovery;③some coaches attach little importance to preventing the athletes from injury.

研究结果显示：①跆拳道运动员发生运动损伤之后，将会产生巨大生理及心理的障碍，这些障碍将直接影响以后的训练、比赛和健康恢复；②目前大多数运动员自身十分缺乏预防损伤和损伤后应该及时采取的心理恢复方法、措施等方面的意识和知识；③部分教练员对运动员事先如何有效地预防运动损伤的重视不够，措施乏力。

Inoculation knowledge includes vaccines, inoculation time sheet, reaction of inoculations, related diseases and so on.

预防接种的知识包括疫苗介绍、预防接种的适当时机、接种后的反应、与疫苗相关的疾病介绍等等。

Inoculations that cure humans already infected with rabies cost about $49 _ more than 100 times the price of a preventive dog vaccination that runs about 30 cents.

可治疗已经感染狂犬病的人类预防接种，成本约四十九美元_超过为狗接种预防疫苗的价格一百倍。

The HIV/AIDs Prevention and Care Project will spend ￡15.3m over 5 years and aims to develop replicable models of prevention, treatment and care.

艾滋病预防与治疗项目将于5年内出资1530万英镑，发展可以推广的预防、治疗和护理方面的模式。

By chicken embryo, minimum concentration of medicine of directly inactivated test、 treatment test and preventive test is 7.5mg/ml、 62.5mg/mland 31.25mg/ml;By CEF, minimum concentration of resiting NDVF_(48)E_8 and moderate virulence strain is 10mg/ml、 50mg/ml and 25mg/ml. However,the result of complex prescriptionpreventing and curing NDVF48Ej$ is not ideal.

在鸡胚上抗病毒试验中，对三株病毒起直接灭活、治疗和预防作用的最低药物浓度分别为7.5mg/ml、62.5mg/ml和31.25mg/ml；在鸡胚成纤维细胞上抗病毒试验中，对强强毒株和中等毒力株起直接灭活、治疗和预防作用不引起细胞病变的最低药物浓度分别为10mg/ml、50mg/ml和25mg/ml。

Results: The theoretical model for the functional problems of Chinese disease control and prevention institutions was successfully established and suggestions for the development of national disease control and prevention institutions were put forward.

结果：构建了我国疾病预防控制机构功能作用问题理论模型，并提出了我国疾病预防控制机构发展对策思路模型。

Some communicable diseases can be prevented by chemoprophylaxis or immunization (for example, poliomyelitis and measles).

预防某些传染病可用化学预防法或免疫接种。

"Our results indicate that aspirin is effective and safe for primary prevention of cardiac and cerebrovascular death in diabetics," said Hisao Ogawa, M.D, Ph.D., lead investigator of the Japanese Primary Prevention of Atheroscle- rosis with Aspirin for Diabetes Study and a professor of cardiovascular medicine at Kumamoto University in Japan.

&我们的结果发现糖尿病患者使用阿司匹林一级预防心脑血管死亡是有效安全的，&， J-PAD研究的主要研究者，日本熊本大学心血管医学的Hisao Ogawa教授如是说，&此外，我们提供了一种廉价的预防手段。&

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐