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Updated: Jul 17, 2026

Three-Dimensional Shape Modeling and Analysis of Brain Structures
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Published on: November 14, 2019

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一项研究,以确定一个成功的FFP3口罩适合的三维 (3D) 面部形状特征

Manpreet K Gakhal1, Anant Bakshi1, Min Gu2

  • 1Department of Orthodontics, The School of Dentistry, Institute of Clinical Sciences, College of Medical and Dental Sciences, University of Birmingham, 5 Mill Pool Way, Birmingham, B5 7EG, UK.

Scientific reports
|November 20, 2024
PubMed
概括

很大一部分牙科工作人员未能通过呼吸器适应性测试. 面部形态,包括更长的面部和更宽的嘴,与成功的FFP3呼吸器相对应,这表明需要不同的口罩大小.

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相关概念视频

Facial Feedback Hypothesis01:24

Facial Feedback Hypothesis

Charles Darwin proposed that facial expressions are an evolutionary adaptation for communication. He argued that these expressions are not influenced by culture but are universal across species. For example, a snarling expression with exposed teeth signals a threat in many animals, including humans. Darwin also suggested that displaying an emotion can intensify the feeling. Smiling, for example, could enhance one's sense of happiness. This idea laid the foundation for understanding the role of...