美国阿姆斯特朗-纯银.014”笛头，.018”镍银镀银笛身和C型笛尾，镀银法国（开孔）按键，“革新”吹孔，直列G键。

Armstrong USA - Sterling silver . 014" head, . 018" silver-plated nickel silver body & C foot, silver-plated French (open hole)keys, "Progressive cut" embouchure hole, in-line G.

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通过细胞实验，研究含银介孔硅干凝胶材料的细胞相容性，结果显示：当银含量降低到一定程度时，该材料无细胞毒性。

The goal that mesoporous silica xerogels containing siliver had no negative effect on cell viability could be achieved by reducing the siliver content in materials.

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