故意钓到白杨
发表于 2025-3-26 21:05:23
In-Vitro Degradation Test for Screening of Biomaterials for 1, 2 and 3 weeks. Degradation was determined by measuring dry weight loss, mechanical properties (compression test) and SEM surface analysis. BDF 2 samples were found to degrade in such a way, that considerable weight loss was measured, fissures at material surface were observed and the specime
方舟
发表于 2025-3-27 03:04:47
The Biodegradation of Nondegradable Polymerscertain materials are inert, nondegradable or implantable, that is, biostable. Is there really any such thing as a nondegradable, inherently biostable material? Silicone rubber, for example, is a polymer that is generally accepted as biostable. None-the-less, it can absorb lipids and stress crack wh
草率男
发表于 2025-3-27 05:55:05
A Comparison of , Degradation of Novel Polyurethanes with Performance in , Accelerated Tests Degradation in these tests was compared to degradation of the same materials in an ovine . accelerated test in which polyurethane dumbbells were stretched over poly(methyl methacrylate) holders to a constant strain and implanted for 90 days subcutaneously. Further samples of the same materials were
芭蕾舞女演员
发表于 2025-3-27 13:10:12
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面包屑
发表于 2025-3-27 14:20:08
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口诀法
发表于 2025-3-27 17:55:14
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音的强弱
发表于 2025-3-27 22:13:34
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GLUE
发表于 2025-3-28 06:09:05
Tissue Response to Pre-Degraded Poly(L-Lactide), sutures, and drug delivery systems. As-polymerized, high molecular weight poly(L-laetide) (PLLA) as synthesized according to Leenslag et al..has been successfully used for fracture fixation and orbital floor reconstruction in animals and humans.. PLLA is considered to be a fully resorbable, biocom
伪书
发表于 2025-3-28 08:30:05
Modern Absorbable Suture Materials and Biodegradable Anastomotic Rings in Gastrointestinal Surgeryn surgery. There is no ideal suture Utting for all surgical purposes, as there is a diversity in the demands concerning the use of surgical materials. In times of extended operative procedures, there are more differentiated requirements concerning suture materials.
周年纪念日
发表于 2025-3-28 14:17:04
A Novel Bioabsorbable Monofilament Surgical Suture Made From (ε -Caprolactone, L-Lactide) Copolymerlactide: e-caprolactone was 85: 15. Initial tensile strength of the 5-0 suture was 838 ±72 gf (knot-pull 600 ±60 gf). An in vivo degradation test using rabbits showed: a poly(CL-LA) suture retains its strength for longer periods than other synthetic monofilament absorbable sutures such as MAXON.and