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Of the late two years,in order to find out a kind of dental implant ing materialwhich would possess both the very good properties of biological compatibility,the chemical compatibility and the mechanical compatibility,an animal experi-mental preselection was accomplished by our research team with six kinds of im-planting material chosen from four main sorts of oral implant ing material(met-al,ceramic,high polymer and carbon),As the result of the Preselection,thematerial……bio-ceramic was chosen by ...

为了寻求生物相容性、化学相容性和力学相容性均好的种植材料，在口腔四大类种植材料(金属、陶瓷、碳素、高分子)中，选用6种材料作了动物实验预选。根据预选结果，选定以生物陶瓷为主攻方向，从而研制成功锆磷灰石陶瓷，以之进行了理化性能、生物学性能、及动物实验考查，合平种植要求。并以考查结果与钛合金、多晶氧化铝、单晶氧化铝、钛合金喷涂氧化铝、低温各向同性碳、聚砜种植作了比较，主要性能均较其它几种比较材料为优。经临床初试，锆磷灰石陶瓷的种植效果也较好，其界面为骨性结合。

If not for you, I must be shiver ing in the despair and fear, groan ing painfully.

如果不是你，我现在肯定只能在绝望和恐惧中颤抖，发出痛苦的呻吟。

Gradually, however, research is isolat ing all other possible factors and prov ing them to be statistically irrelevant.

但是研究工作逐渐排除了其它因素的可能性，并且用统计数字证明这些因素是无关的。

We work in partnership with our customers to reduce costs by bench mark ing performance and sharing global best practice, and have developed a library of bench mark ing and best practice based on our global customer base.

我们与我们的客户一起合作，通过基准管理工作情况和分享全球最佳实践经验来降低成本，并以我们的全球客户为基础，开发出一个基准管理和最佳实践经验库。

Methods The clinical data of\ 70 elderl y patien tswith peptic ulcer were retrospectively investigated.They were divided into two groups according to ta k ing ASA or not.The incidence of uppergastrointestinal bleeding and factors affecting the risk of blee d ing from peptic ulcer were analyzed.

方法回顾性分析70例老年消化性溃疡患者的临床资料，根据患者发现消化性溃疡时是否正在服用小剂量ASA分为两组，对照分析两组并发上消化道出血的发生率及可能影响出血危险性的有关因素。

Calculation of pitch ing and heaving of a catamaran;3. The experimental methods and process are introduced in this paper for a catamaran rolling and pitch ing in regular waves, as well as the determination of some parameters of motion.

介绍双体船在规则波中的横摇和纵摇运动的试验方法和试验过程及运动参数的确定，主要研究了有无舭龙骨和重心高度变化对船舶运动性能的影响，并根据试验结果计算了在不规则波中的摇摆运动性能。

In order to further reveal and distinguish the dynamics and changing regularity of the stochastic integer multiple spiking and the deterministic integer multiple spiking, the integer multiple spik-ing from the experiment, the stochastic Chay model, and the deterministic Wang model and their chang-ing regularity with respect to extra-cellular concentrations of Ca2+([Ca2+]o) or the reversal potential of Ca2+ in model were studied.

为进一步区分神经自发整数倍峰放电节律的随机性和确定性模式的动力学性质，详细研究了实验神经起步点、随机理论模型和确定性理论模型产生的3种整数倍峰放电节律及其变化规律。

Nothing can be compared, he maintains, with the first cockcrow , the twitter ing of birds at dawn, the sight of the rising sun glint ing on the trees and pasture s.

他坚持认为，凌晨雄鸡第一声啼叫，黎明时分小鸟吱喳欢叫，冉冉升起的朝阳染红树木、牧场，此番美景无与伦比。

The theory of "continuum of problem types" supplied a good frame for designing questions in class,"Five Why" question design ing methods played a important role in increasing practice of question design ing.

问题类型连续体"理论为课堂教学问题设计提供了框架"，五何问题设计方法在增加问题设计的可操作性方面起到了重要作用。

The debark ing production line can be used for MDF and paper manufacturing industry of debark log and small diameter log. Its debark ing clean rate is more than 90%.

剥皮备料工段成套生产线适用于造纸和中纤板行业的原木剥皮，主要是将原木、小径木等进行进行原木去皮，削片，其剥净率可达95%以上。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。