1)corundum[英][k?'r?nd?m][美][k?'r?nd?m]刚玉粉
英文短句/例句
1.A fine - grained impure corundum used for grinding and polishing.刚玉粉，金刚砂用于磨粉和打光的一种细磨的不纯的刚玉粉
2.Method for determination of ignition loss of alundum powderGB/T9489.10-1988刚玉粉灼烧失重的测定方法
3.Methods for determination of carbon and sulphur in alundum powderGB/T9489.8-1988刚玉粉中碳和硫的测定方法
4.General rule for analytical method of alundum powderGB/T9489.1-1988刚玉粉分析方法通则
5.Methods for determination of pH in alundum powderGB/T9489.9-1988刚玉粉ph值的测定方法
6.Study on Water-based Coating of Brown Alumina Powder and French Chalk for Lost Foam Casting消失模铸造棕刚玉粉-滑石粉水基涂料的研究
7.Determination of TiO2 in alundum powder by colorimetryGB/T9489.6-1988刚玉粉中二氧化钛的比色测定法
8.Determination of SiO2 in alundum powder by colorimetryGB/T9489.5-1988刚玉粉中二氧化硅的比色测定法
9.Determination of chloride in alundum powder by visual turbidimetryGB/T9489.7-1988刚玉粉中氯根的目视比浊测定法
10.Studies on the Effect of Brown Alundum Dust on the Health of Contaminated Workers棕刚玉粉尘对工人健康影响的调查及实验研究
11.Conclusions Short exposure to high concentration of black fused alumina may cause serious aluminosis to the exposers.结论短期、浓度接触黑刚玉粉尘可引起严重的铝尘肺。
12.Determination of Al2O3 in alundum powder by complexometric titrationGB/T9489.4-1988刚玉粉中三氧化二铝含量的络合滴定氟化物释放测定法
13.Production and Application of Environmental Powder Coating环保型刚玉高光干粉涂料生产与应用
14.Synthesis of molochite using fly ash from fused brown corundum电熔棕刚玉除尘粉合成莫来卡特的研究
15.Effect of microsilica addition on ρ-Al_2O_3 bonded corundum castablesSiO_2微粉加入量对ρ-Al_2O_3微粉结合刚玉浇注料的影响
16.Influence of Microfine Powders on Microstructure and Properties of Corundum-based Castables几种微粉对刚玉质浇注料结构与性能的影响研究
17.Preparation of Spinel-Corundum-Sialon Composite Materials from Aluminum Dross and Fly Ash by Aluminothermic Reduction-Nitradation利用铝灰和粉煤灰铝热还原氮化制备镁铝尖晶石-刚玉-Sialon复相材料
18.Effects of alumina micro powders and water reducer on workability of corundum castables氧化铝微粉与减水剂对刚玉质浇注料施工性能的影响
相关短句/例句
alumina sand(powder)刚玉砂(粉)
3)brown fused alumina powder棕刚玉粉
4)Sub-white corundum powder亚白刚玉粉
5)brown fused alumina micropowder棕刚玉微粉
6)adamite['?d?mait]人造刚玉粉
延伸阅读
刚玉粉刚玉粉硬度大可用作磨料，抛光粉，高温烧结的氧化铝，称人造刚玉或人造宝石，可制机械轴承或钟表中的钻石。氧化铝也用作高温耐火材料，制耐火砖、坩埚、瓷器、人造宝石等，氧化铝也是炼铝的原料。煅烧氢氧化铝可制得γ-Al2O3。γ-Al2O3具有强吸附力和催化活性，可做吸附剂和催化剂。刚玉主要成分α-Al2O3。桶状或锥状的三方晶体。有玻璃光泽或金刚光泽。密度为3.9～4.1g/cm3，硬度9，熔点2000±15℃。不溶于水，也不溶于酸和碱。耐高温。无色透明者称白玉，含微量三价铬的显红色称红宝石；含二价铁、三价铁或四价钛的显蓝色称蓝宝石；含少量四氧化三铁的显暗灰色、暗黑色称刚玉粉。可用做精密仪器的轴承，钟表的钻石、砂轮、抛光剂、耐火材料和电的绝缘体。色彩艳丽的可做装饰用宝石。人造红宝石单晶可制激光器的材料。除天然矿产外，可用氢氧焰熔化氢氧化铝制取。 氧化铝化学式Al2O3，分子量101.96。矾土的主要成分。白色粉末。具有不同晶型，常见的是α-Al2O3和γ-Al2O3。自然界中的刚玉为α-Al2O3，六方紧密堆积晶体，α-Al2O3的熔点2015±15℃，密度3.965g/cm3，硬度8.8，不溶于水、酸或碱。γ-Al2O3属立方紧密堆积晶体，不溶于水，但能溶于酸和碱，是典型的两性氧化物。 Al2O3+6H+=2Al3++3H2O Al2O3+2OH-=2AlO2-+H2O
