得出了天然硅灰石制备硅溶胶工艺属首创，能够利用天然资源，成本低， 经济效益好的结论。
The preparative process of silica sol with natural wollastonite belonged to first origination, Natural resource was used, low cost and good economic benefit were obtained.
首先对硅溶胶的性能进行了叙述，并对天然硅灰石法制备硅溶胶的各种条件进行较详细的考察和论证。
In this paper, the property of silica sol was described, and various conditions of preparation of silica sol with natural wollastonite were examined and demonstrated.
本研究全面测试了超细加工的四种不同细度的天然硅灰石矿物的细度与活性，并用逐步回归分析的方法建立了粉体细度与活性的数学模型。
The paper systematically studies the relationship of fineness and activity of four different fine natural Wollastonites, and sets up the mathematic model with step by step regression design.
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