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相关概念视频

Bone Structure01:55

Bone Structure

Within the skeletal system, the structure of a bone, or osseous tissue, can be exemplified in a long bone, like the femur, where there are two types of osseous tissue: cortical and cancellous.

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相关实验视频

Updated: Jul 15, 2026

Oral Biofilm Formation on Different Materials for Dental Implants
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Published on: June 24, 2018

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在高温环境中对新结构牙进行实验研究.

Dongdong Song1, Yingxin Yang2, Zhangping Ren1

  • 1CNPC Chuanqing Drilling Engineering Co. Ltd, Chuanxi Drilling Company, Chengdu, Sichuan, China.

Science progress
|February 16, 2024
PubMed
概括

一种新型的形牙结构显著提高了高温地热钻井中的圆孔性能. 这种设计提高了牙保持强度,解决了严重的牙损失,并在苛刻的条件下延长了位的使用寿命.

关键词:
高温地热的使用方法固定力的固定力.实验室实验是实验室中的一个实验.渐变的结构 渐变的结构牙固定的强度是牙固定的强度.

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Author Spotlight: Establishing an Accurate Microhardness Testing Protocol for Craniofacial Tissues
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Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material
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Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

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科学领域:

  • 地质工程是地质工程.
  • 材料科学 材料科学 材料科学
  • 机械工程 机械工程

背景情况:

  • 在高温地热钻井中,块会遭受严重的牙损失,从而降低使用寿命和效率.
  • 传统的牙固定方法对于高温环境是不适合的.
  • 改善牙保留对于在极端条件下形节点的性能至关重要.

研究的目的:

  • 为提议和评估一种新的形牙结构,以提高形牙的性能.
  • 在各种温度和干扰级别下研究圆结构的牙固定强度.
  • 为解决在高温钻井应用中牙损失的关键问题.

主要方法:

  • 进行了实验室实验,以测试不同程度的逐渐缩的牙.
  • 在正常和高温度 (高达300°C) 测量紧固力.
  • 在相同的条件下,对传统的圆柱形牙进行了比较分析.

主要成果:

  • 最大紧固力随着缩度的增加而增加,在C50.0达到峰值.
  • 与圆柱形牙相比,形牙的紧固力增加了88.6%-271.1%.
  • 尽管在300°C下降,但形结构始终表现出优越的牙保持强度.

结论:

  • 拟议的形牙结构显著提高了牙固定和保持强度.
  • 这种创新的设计为高温钻井中牙损失提供了可行的解决方案.
  • 这些发现支持采用形结构,以提高圆位的耐用性和效率.