grieve 发表于 2025-3-25 05:55:23
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https://doi.org/10.1007/978-3-658-35772-6. is usually reserved for those materials in which the distinct phases are separated on a scale larger than the atomic, and in which properties such as the elastic modulus are significantly altered in comparison with those of a homogeneous material. Accordingly, fiberglass and other reinforced plast供过于求 发表于 2025-3-25 11:52:48
,Analysen realitätsbezogener Aufgaben,ing materials from artificial replacements. First, most biological materials are continuously bathed with body fluids. Exceptions are the specialized surface layers of skin, hair, nails, hooves, and the enamel of teeth. Second, most biological materials can be considered as ..卜闻 发表于 2025-3-25 18:33:22
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https://doi.org/10.1007/978-3-658-03201-2nd the design of the device or implant. The initial selection of material should be based on sound materials engineering practice. The final judgment on the suitability of the material depends on observation of the . clinical performance of the implant. Such observations may require many years. This过份 发表于 2025-3-26 03:25:17
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Demokratie — Eine Kultur des Westens?ucts, as well as complicated load transfer dynamics. In addition, the massive nature of the (total) joint replacements such as the knee and the elbow and their proximity to the skin also renders the greater possibility of infection. More importantly, if the replacement fails for any reason, it is mumorale 发表于 2025-3-26 13:47:22
Studien zur politischen Gesellschaft. The limitations of artificial materials become apparent when we realize that only the simplest mechanical, structural, optical, and chemical functions can be assumed by nonliving materials. Functions that can only be performed by living tissues can be restored either by transplanting a new tissue民间传说 发表于 2025-3-26 17:07:33
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