采用聚乙烯醇（ PVA）为基料，用纳米二氧化硅对其进行改性，制备出了成本低、无毒、 水溶性的乒乓球拍胶粘剂。
The adhesive of table tennis racket which was solubility was produced by modified PVA using nano-silica.
一维二氧化硅纳米材料由于具有独特的光学特性在光致发光、光低维波导等方面具有重要的应用。
On the basis of the remarkable optical properties, 1D silica nanowire is of great significance in the fields of photoluminescence, localization of light, low-dimensional waveguide and so on.
特别指出了低磨蚀、低折光率的二氧化硅用于儿童牙膏和透明牙膏。
It is specially pointed out that the precipitated silica with low abradability and low refractivity is suitable for making the children-use and transparent toothpaste.
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