照生物研究安全性水平 Biosafety Level
目的：研究自制磷酸钙骨水泥的生物相容性和安全性，为其临床应用提供实验依据。
Objective: To provide experimental basis for clinical application through studying on the biocompatibility and security of homemade calcium phosphate cement.
目的是研究pgla牙周引导组织再生片的生物降解性和安全性。
In order to study the biodegradable properties and biological safety of PGLA film for periodontal guided tissue regeneration in vitro.
目的：研究银系纳米材料和稀土纳米材料对体外培养细胞的安全性，为纳米材料抗菌剂在生物医学的合理应用提供了一定的理论依据和实践指导。
Objective To study the security of silver nanomaterial and rare earth nanomaterial to cells in vitro in order to provide the theoretic and practical foundation for the application of nanomaterial.
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