刚玉

350Mpa . And they are widely suitable for primary crushing of many kinds of mining and rock such as many kinds of ores, concrete, fireproof material, bauxite, quartzite, corundum, perlite, ironstone, basalt, etc.

它们被广泛适用于初级破碎多种采矿和摇滚等多种矿石，水泥，耐火材料，铝矾土，石英，刚玉，珍珠岩，铁矿石，玄武岩等

There are also some potassium sulfate, corundum and limonite in the dust. A recycle technique of the dusts is also suggested.

并提出了采用自净式大循环分段提取钾、镓、铝、硅的工艺以综合利用棕刚玉烟尘的技术思路。

This may be attributed to the presence of microcrack induced by thermal expansion anisotropy of BN.

在BN基料中引入不超过20％锆刚玉莫来石时，材料仍保持其优良的抗热震性。

We offer high quality Cat's Eye, Millefiori Glass, Opalite, Cubic Zirconia, Corundum and Spinel products in variety of colors, sizes and shapes.

我们提供高质量的猫眼，millefiori玻璃，opalite、立方氧化锆、刚玉、尖晶石产品品种色、大小和形状。

A basic variety of alu minium oride,brown colour,high hardness and great toughness.

刚玉的基本品种，棕褐色，硬度高、韧性大。

The results show that the crystalline phase of support is consist of corundum and mullite and the microstructure of support can be adjusted by using different sintering additive.

结果表明支撑体的微观结构可通过采用不同的烧结添加剂控制，构成支撑体的晶相为刚玉相和莫来石相。

Effects of sintering temperatures and atmosphere on the synthesis and sintering properties of the multiphase materials were studied.

研究烧结温度和气氛对刚玉莫来石锌铝尖晶石复相材料的合成与烧结性能的影响。

Spot oilstone sand, the origin Dafang, the Chinese side, small square, square, round semi-circular, triangular, single, double, such as multi-species (ruby, agate, boron carbide, silicon carbide, white corundum, fiber ), full-size (180 #-1500 #) Die dedicated, grinding special jade.

现货油石砂条，产地大方，中方，小方，方，圆半圆，三角，单，双面，等品种多(红宝石，玛瑙，碳化硼，碳化硅，白刚玉，纤维)，粒度全（180#-1500#）模具专用，磨玉专用。

High-temperature furnace refractories: mainly mullite, corundum, silicon carbide, sillimanite products such as materials, widely used in various electric kiln, furnace (push plate tunnel kiln, shuttle kiln,) and the general coal, oil , gas heat furnace and so on, have a high refractoriness, high temperature strength, thermal shock stability and corrosion resistance, is an ideal high-temperature furnace refractories.

三。高温窑炉耐火材料：主要有莫来石、刚玉、碳化硅、硅线石等材质的制品，广泛应用于各种电窑、电炉和一般煤、油、气高温窑炉等，具有较高的耐火度、高温强度、热震稳定性和耐腐蚀性，是理想的高温窑炉耐火材料。

The effects of Ferro-Si3N4 additions of 0,4%,8%,12%,16%,20%,24%,28% on hot bending strength and Ferro-Si3N4 additions of 6%,12%,18%,24% on slag resistance of taphole mix,which are prepared with brown corundum,silicon carbide,pitch and coke powder,were studied.

以棕刚玉、碳化硅、沥青及焦炭为主要原料，研究了氮化硅铁加入量为0、4%、8%、12%、16%、20%、24%、28%时对炮泥高温抗折强度的影响及加入量为6%、12%、18%、24%时对炮泥抗高炉炉渣侵蚀的影响。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。