查询词典 mullite

Firstly, the fly ash is separated into three parts according to its mineralogical composition, they are ferruginous spheres, mullite-corundum and glass phases. Secondly, the contents of these elements of the original fly ash, the ferruginous spheres and the mullite-corundum are determined by chemical analysis and ICP-MS, respectively, and thus the element contents in the glass phase can be obtained by calculation.

首先根据高铝粉煤灰的物相组成特点采用新的分离方法将之分离为三个相：铁质微珠、莫来石－刚玉相以及玻璃相；然后分别用化学分析和ICP-MS测试主微量元素在高铝粉煤灰、铁质微珠以及莫来石－刚玉相中的含量，并结合相关数据计算出这些元素在玻璃相中的含量。

The main products are: all kinds of industrial furnace regenerator with cordierite, mullite, high alumina, corundum honeycomb, and various materials and specifications of the regenerator the ball, and with regenerator tile block; all kinds of industrial furnace series×, corundum brick, clay brick, lightweight insulation materials, heat insulation brick light weight, low-iron mullite brick, silica brick, magnesia brick, aluminum MgO-C Bricks, magnesia-chrome brick, chrome Corundum bricks, a steel trough brick slipway and a variety of refractory materials such as sizing the outlet; all kinds of industrial furnaces with wear-resistant castables, low cement castable high-strength, impermeable material, gravity feed can be plastic, refractory clay, such as amorphous material; a variety of wear-resistant ceramic materials: ceramic lining, grinding balls, ceramic pipes, ceramic cylinder liner, piston, valves and other ceramics.

主要产品有：各种工业炉蓄热室用堇青石质、莫来石质、高铝质、刚玉质蜂窝体以及各种材质和规格的蓄热球，并配有蓄热体挡板砖；各种工业炉用系列高铝砖、刚玉砖、粘土砖、轻质保温材料、轻质隔热砖、低铁莫来石砖、硅砖、镁砖、铝镁碳砖、镁铬砖、铬刚玉砖、出钢槽滑道砖以及各种定径水口等耐火材料；各种工业炉用耐磨浇注料、低水泥高强浇注料、防渗料、自流料、可塑料、耐火泥等不定形材料；各种材质的耐磨陶瓷制品：陶瓷衬板、研磨球、陶瓷管道、陶瓷缸套、柱塞、陶瓷阀门等。

Mullite seeding has an obvious influence on the forming way of mullite, and a higher...

晶种的添加使莫来石的形成方式发生了变化，对反应烧结有一定促进作用。

The specimen with the content of mullite in matrix is 20% was sintered at 1550℃, the specimens with the content of mullite in matrix is 10% and 5% were sintered at 1600℃.

基质中莫来石含量为20%的试样在1550℃达到致密烧结，基质中莫来石含量为10%和5%的试样在1600℃达到致密烧结。

Densification process as well as formation mechanism of mullite was studied and discussed, and special attention was paid to the effect of mullite seeding on the reactionsintering mechanisms.

研究了反应烧结过程中致密化和莫来石的形成机制，重点讨论了莫来石晶种的引入对莫来石形成机制的影响。

When borax is added into mullite, Na+ as the electron acceptor easily enters into the lattice of mullite, causing a transition from mullite to nepheline.

因此，向莫来石中加入助熔剂硼砂时，硼砂中的Na＋作为电子接受体，非常容易进入莫来石的晶格中，促使莫来石转变为霞石，降低了灰熔融温度。

The mullite is M60 mullite containing Al2O3 not less than 60 wt%, the cordierite contains Al2O3 33-35 wt% and MgO 13-15 wt%, the micro silica powder contains SiO2 not less than 92 wt%, the micro active alumina powder contains Al2O3 more than 98 wt%, the high alumina cement contains Al2O3 not less than 46 wt%, CaO not more than 40 wt% and SiO2 not more than 10 wt%.

其中，所述的莫来石为M60莫来石，其化学成分为：Al 2 O 3 ≥60％；堇青石化学成分为：Al 2 O 3 33～35％，MgO 13～15％；硅微粉化学成分为：SiO 2 ≥92％；活性氧化铝微粉化学成分为：Al 2 O 3 ＞98％；高铝水泥化学成分为：Al 2 O 3 ≥46％，CaO≤40％，SiO 2 ≤10％。

Mainly used for precision casting industry ceramsite sand (the Chinese name of it did the "Pearl of Sand""High Aluminum Sand," oil fracturing support, etc.) and used for refractories, abrasives industry white corundum, brown corundum, fused spinel, fused mullite, zirconium mullite, alumina hollow spheres, alumina powder, refractory cement and other products.

主要有用于精密铸造行业的陶粒砂（中文名称又做&宝珠砂&&高铝砂&石油压裂支撑剂等）和用于耐火材料、磨料磨具行业的白刚玉、棕刚玉、电熔尖晶石、电熔莫来石、锆莫来石、氧化铝空心球、氧化铝微粉、耐火水泥等产品。

Results show that the mullite grogs can be gained by the method at 1700℃ as long as the control of the chemical composition of ingredients(content of Al2O3 and ratio of Al2O3/ SiO2 ,etc.) with apparent porosity＜2.5% and bulk density≥2.75g/cm3; the heating process can be divided three stages, which are formation of primary mullite, secondary mullitization stage and liquid phase sintering stage.Key words bauxite, coal gangue, mullite grogs

结果表明，只要控制好混合料的化学组成（Al2O3含量、Al2O3/SiO2比等），就可采用此工艺制备出莫来石料，其烧结温度为1700℃，所得莫来石料的显气孔率大于2.5%、体积密度大于或等于2.75g/cm3；加热过程可分为一次莫来石形成、二次莫来石化和液相烧结3个阶段。

But the particles reinforce mechanism caused by mullite has been damaged because of the low-melting eutectic of grain boundary.

但其晶界存在低共熔现象，特别是MoSi〓／Mullite低共熔现象严重，并使颗粒增韧机制受到破坏。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。