硅砂,又名二氧化硅或石英砂。是以石英为主要矿物成分、粒径在 0.020mm-3.350mm 的耐火颗粒物,根据开采和加工方法的不同分为人工硅砂及水洗砂、擦洗砂、精选(浮选)砂等天然硅砂。硅砂是一种坚硬、耐磨、化学性能稳定的硅酸盐矿物,其主要矿物成分是SiO2,硅砂的颜色为乳白色或无色半透明状,硬度7,性脆无解理,贝壳状断口,油脂光泽,相对密度为2.65,其化学、热学和机械性能具有明显的异向性,不溶于酸,微溶于KOH溶液,熔点1750℃。颜色呈乳白色、淡黄、褐色及灰色,硅砂有较高的耐火性能。
...键词:水淬锰渣;硅砂;加气混凝土;水料比;浇注温度;水化产物 [gap=1008]Key words:water quenching manganese slag; silica sand; aerated concrete; water-material ratio; pouring temperature; hydration product..
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... modified quartz-sand filter media 改性砂滤料 quartz sand 硅砂 White Quartz Sand 纯白石英砂 ...
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... unbonded strain gauge, 非粘贴式应变计 unbonded post tensioning 无束缚后加拉力 unbonded silica sand 低黏性硅砂 ; 硅砂 ...
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修建工地用什么样的耐火资料? ... 矽砂 silicon-sand 炉用耐火材料(电炉瓷盘) stove used enduring heat material 耐火砂 firegrit ...
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硅砂粉 silica flour
硅砂石砖 ganisterbrick ; ganister brick
碳化硅砂轮 silicon carbide wheel ; silicon-carbide abrasive wheel
辗制硅砂 artifical silica sand
天然硅砂 natural silica sand
粗砂锥辗硅砂 concial sand from coarse sand
硅岩轮辗硅砂 impeller-breaker sand ; breaker sand
风化石锥辗硅砂 conical sand from stone
硅砂捣料 silica ramming compound
In the case of the inert media silica sand, the yield and the distribution of the pyrolysis products were almost unchanged under the different kind of atmosphere.
在非活性流化介质硅砂下,反应气体的种类对木质素磺酸盐热分解产物的影响较小。
参考来源 - 木质素催化热解转化轻质芳烃的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
对铸造硅砂的选择性激光烧结进行了试验研究。
Selective laser sintering of foundry silica sands was investigated by experiments.
玻璃的基本原料,包括硅砂和纯碱,几乎可以在任何地方找到。
The basic ingredients in glass, including silica sand and soda ash, are found almost everywhere.
该项目完成了玻璃纤维硅砂增强管结构在公路涵洞中的试验。
This project finished the experiment on the structure of a glass fibre strengthening culvert tube in the road culvert hole.
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