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- The relationship between surface integrity (SI) of metal materials and fatigue fracture resistance(FFR) are discussed. 论述了金属材料/零件的表面完整性与其疲劳断裂抗力之间的关系。
- The author uses the K3 RNT system (SybronEndo, Orange, CA, USA) for its flexibility, tactile “feel”, cutting ability and fracture resistance. 它们在帮助创建卓越的根管形态方面具有很高的价值,而且一旦创建完成,就可以提供理想的冲洗条件,从而对根管进行最大程度的清洁和消毒灭菌。
- As wax content was increased,the rheology of feedstock was improVed and fracture resistance of green compact was decreased. 石蜡含量提高改善了喂料的均匀流变性能,但降低了生坯的抗破坯能力。
- Effect of girth weld strength match on limit load and fracture resistance of high strength, large diameter pipelines steel is analyzed with FAD (Failure Analysis Diagram) method. 摘要采用失效评定图技术分析了油气长输管道中高强度管?钢大口径管道环焊缝不同强度匹配形式对管道极度限承载能力以及抗断性能的影响。
- The effect of girth weld strength match on the limit load and fracture resistance of high-grade, large diameter pipelines was analyzed with failure analysis diagram (FAD) method. 摘要采用失效评定图技术分析了油气长输管道特别是高强度大口径管道环焊缝不同强度匹配形式对管道极限承载能力以及抗断性能的影响。
- There was significant difference between the two posts in loosening of post(P <0.05),and no significant difference in root fracture resistance(P >0.05). 两种桩-核-冠修复方法在核冠钉松动方面存在显著差异(P<0.;05);在防止牙根折裂方面无显著差异(P<0
- Abstract: gussasphalt, with its advantages of water tightness, long duration and good fracture resistance, is applied as the underlayer of bridge pavements. 摘 要: 利用反应性树脂下封层与溶剂型沥青橡胶良好的粘接和防水性能以及浇注式沥青混凝土的密水性、耐久性、抗裂性好的特点,应用于东海大桥桥面铺装下层,作为桥面铺装的保护层;
- It is considered that the sealing edge of air bag should possess good properties, such as low permeability, good weavability and fracture resistance etc. 探讨了全成形气囊封边的组织设计时所需考虑的封边良好的阻气性能、可织造性能和抗破坏性能等因素。
- A strong durable resin bond provides high retention, improves marginal adaptation and prevents microleakage, and increases fracture resistance of the restored tooth and the restoration. 而修复效果与瓷和牙体组织间的粘结性能关系密切。
- Objective:The purpose of this study was to investigate the effect of different types of pontic lingual metal framework in posterior metal-ceramic fixed bridge on the fracture resistance of porcelain. 目的:比较后牙烤瓷桥桥体舌侧金属支架结构改良对于瓷抗折强度的影响。
- Influence of bridging characteristics on fracture resistance curves 桥联特性对纤维复合材料裂纹扩展阻力曲线的影响
- Perhaps there is a fracture in the water pipe. 也许水管有裂缝了。
- Her resistance to the proposal has crumpled. 她对这个建议的抵触情绪已化为乌有了。
- The fracture of his left leg is very serious. 他的左腿骨折情况很严重。
- The fracture caused him intense pain. 骨折给他造成了剧烈的疼痛。
- Each of the bulbs has a resistance of120 ohms. 每一盏灯泡有120欧姆的电阻。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- There has been a lot of resistance to this new law. 反对这项新法律的人很多。
- Our troops encountered only token resistance. 我们的部队仅受到表面上的抵抗。
- Keywords Amalgam post-core restorations Fracture resistance; 关键词银汞桩核;抗折裂强度;