简介:Variousfunctionalgroupshavebeensuggestedtoplayessentialrolesonbiomineralizationofcalciumcarbonate(CaCO3)innaturalsystem.2Dand3DmodelsofregularlyarrangedfunctionalgroupshavebeenestablishedtoinvestigatetheireffectonCaCO3crystallization,Thismini-reviewsummarizestherecentprogressandthefuturedevelopmentisprospected.
简介:Theelectronicstructureandbondingnatureofaseriesofcollectorsinthecalciumandmagnesiumcontainingmineralssystemarestudiedusingquan-tumchemistryCNDO/2method.Thedifferenceincol-lectingpropertiesisdiscussedbymeansofcharac-teristicparametersderivedfromthequantumchem-istrycalculations,andthedevelopingdirectionoffattyacidcollectorsispredicted.
简介:把镁合金用作合适的钥匙可被细菌破坏植入是怎么调整他们的降级率。我们报导策略准备biocompatible有由在silicate-K的microarc氧化(毛)的AZ91D合金上的改进biocorrosion抵抗性质的陶器的涂层2ZrF有或没有Ca的6答案(H2PO4)2添加剂。涂层的微观结构和biocorrosion被XRD和SEM描绘,以及电气化学并且模仿的身体液体(SBF)的沉浸测试。涂层主要是的结果表演MgO创作了,Mg2SiO4,m-ZrO2个阶段,进一步的Ca包含混合物由Ca包含涂层(H2PO4)在silicate-K的2增加2ZrF6答案。涂的AZ91D合金的腐蚀抵抗显著地与赤裸的相比被改进。在为28d在SBF沉浸以后,Si-Zr5-Ca0涂层显示最好的腐蚀抵抗表演。
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