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The end face harmonic gear drive of oscillating teeth is a new type of transmission drive;it can be applied in the reducers where large speed ratio and high power is needed.

活齿端面谐波齿轮传动是一种新型的传动方式，可以应用于大传动比、大功率的减速器中。

The new kind of transmission theory introduced in this article has been applied for patent (the application number is 200410012992.6) Some fundamental theory of the end face harmonic gear drive of oscillating teeth is investigated in this paper, which can benefit the design of the product and the popularization of the patent.

这种新型的传动装置属于空间的活齿传动机构，可以从根本上克服传统的径向谐波齿轮传动中柔轮的变形与其承载能力之间的矛盾，并可增加同时啮合的齿数，加大齿轮的模数，从而可以在保留径向谐波齿轮传动所有优点的基础上，使其所传递的功率增加数十倍。

5The posterior dominating researches on end face harmonic gear drive of oscillating teeth are discussed, and some are given the preparatory method in the paper.

对进一步研究活齿端面谐波齿轮传动装置的主要课题进行了讨论和展望，并初步探讨了其中部分课题的研究思路。

After four weeks, the fluoride levels in the femora and teeth of fluoride treated group were ten times higher than that of the control group.

尿羟脯氨酸、血清羟脯氨酸含量实验前后两组间未见显著差异，4周后实验组骨和牙氟含量比对照组高十几倍。

This paper reviewed the relationship between fluoridated milk and dental caries prevention derived from the preceding academic research. Several topics, including milk fluoridation, fluoridated milk in animal and human clinical studies, the effect of fluoridated milk to fluoride concentration in saliva and dental plaque, the bioavailability of fluoridated milk, and the effect on human teeth were discussed.

本文回顾有关牛奶与龋齿间关系以及牛奶氟化以预防龋齿的文献，从牛奶氟化的最初想法，到氟化牛奶的动物实验、人类临床实验，进一步研究对唾液、牙菌斑中含氟量的影响，以及氟化牛奶的生物可得性，最后探讨对人类牙齿的抗酸溶解力的改变。

The author analyzes an insurance database to evaluate the utilization of dental care preventive service and cost-benefit effectiveness of teeth fluoridation and anti-decay treatment program in central part of Taiwan.

全民健康保险自93年7月1日起实施儿童牙齿涂氟预防保健服务迄今已逾四年，本研究旨在探讨使用该项预防保健服务对健保牙医医疗利用之影响，并对涂氟支出之成本与减少之医疗费用进行成本效益分析（cost-benefit analysis，CBA）。

Methods: A retrospective study was conducted using an insurance database from Bureau of Nation Health Insurance - Central regional branch with registered children born in 2001 who received teeth fluoridation and anti-decay program. The difference of utilization of dental care preventive service analysis was based on each individual child's character and required dental treatment. For cost-benefit analysis, children were selected who were eligible receiving or non- receiving this benefit from July 1, 2004 till 2007. Two groups were compared by frequency matching analysis, based on sex, medical provide territories, insured fee. Additional Incremental benefit/cost method of cost-benefit analysis is also conducted to evaluate the service providing cost increasing and dental treatment cost decreasing effectiveness.

研究方法主要系透过健保局中区分局93年至96年儿童牙科医疗费用统计资料，比较90年次出生之儿童接受涂氟预防保健服务之人口学特质及其涂氟前后牙科医疗利用差异；并依该等对象接受涂氟预防保健服务与否区分两组，就其性别、就医地区别与全民健保投保金额组别等予以配对，进一步应用成本效益分析（cost-benefit analysis，CBA）之增量益本比（Incremental benefit/cost method，IBC），探讨儿童牙齿涂氟预防保健服务成本的增加，使牙科医疗费用减少所带来效益的增加为何。

The use of fluoride to protect teeth is common in many parts of the world.

用含氟物质来保护牙齿在世界很多地方都是一种普遍的方式。

Year-old children after the performance for a tooth late, and some part-time 1-year-old children have not yet out of teeth, the former delayed fontanel closure, often in the 1-year-old and a half years later is still not closed.

1岁以后的小儿表现为出牙晚，有的小儿1岁半时仍未出牙，前囱门闭合延迟，常在1岁半后仍不闭合。

In addition, the effect of sliding friction between gear teeth can not be neglected.

本文针对传统的船用齿轮在强度计算中不计船体变形及齿间摩擦力的问题，以沿船体纵向布置的渐开线料齿减速齿轮机构为研究对象，通过系统地分析、研究，推导出综合考虑船体变形及齿间摩擦的船用料齿轮齿面接触疲劳强度计算公式，以进一步完善船用齿轮的强度计算。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。