求翻译：梁兴荣等将硅藻土与水泥按不同比例混合制备出符合国家标准的硅酸钙板，并具有容重低、导热系数小的特点是什么意思？

Liang Xingrong like diatomaceous earth and cement mixed in different proportions were prepared in line with the national standard calcium silicate board , and has a low bulk density , thermal conductivity characteristics

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The Liang prosperity and so on prepares the diatomaceous earth and the cement according to the different proportion mix tallies the national standards calcium silicate board, and has the bulk specific gravity lowly, the thermal conductivity small characteristic

Liang Xingrong diatomite mixed with cement in different proportions, such as calcium silicate Board prepared in line with national standards, and has the characteristic of low bulk density, low thermal conductivity

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