alumina

noun

1. 矾土
   a white substance found in many types of rock, especially clay

1. Study of Silicon, Alumina and Fluoride Determination in Silicate Material by Potentiometry; It is a compound of aluminum, silica, and fluorine.
   电位法测定硅酸盐材料中二氧化硅、氧化铝和氟含量的方法研究它是铝、硅和氟的化合物。
2. Any of various earths containing silica and alumina and ferric oxide; used as a pigment.
   任何一种含无水硅酸、氧化铝和氧化铁的泥土，用作颜料。
3. Fig. 1 Influence of dopants on the conductivity of mesoporous alumina.
   图1掺杂物对介孔氧化铝导电性的影响。
4. So the experiment may be developed to a research of the alumina enhancing the copper-based composite.
   因此该试验可能发展为对三氧化二铝增强铜基复合材料的研究。
5. The barrier-layer alumina films and porous-layer alumina make up of nanometer alumina membrane.
   其中阻挡层氧化铝和多孔层氧化铝构成纳米氧化铝模板。
6. Various synthetic procedures, modification methods of mesoporous alumina and its application for acid catalysis are reviewed herein.
   本文综述了介孔氧化铝合成、改性研究的历史与现状，及在酸催化过程中的应用。
7. Greenish-blue pigment consisting essentially of cobalt oxide and alumina.
   绿蓝色颜料，主要含有氧化钴和氧化铝。
8. The utility model discloses a more reasonable automatic control device for the feeding of alumina.
   本实用新型公开了一种更为合理的氧化铝投入自动控制装置。
9. Effect of ceo_2 on sintering, mechanical properties and thermal shock resistance of alumina matrix ceramics
   CeO2对氧化铝基陶瓷的烧结性、力学性能和抗热震性的影响
10. Detonation Synthesis of Nanometer Alumina and Control Study about Its Phase and Dimension;
    本文介绍了纳米氧化铝的性质、用途、国内外研究现状及制备方法。
11. Next on the agenda are purchases spanning copper, nickel, zinc and possibly bauxite and alumina.
    收购议程上的下一步目标包括铜、镍、锌，可能还有铝土矿和矾土。
12. Some methods and development of the alumina concentration control in aluminum electrolysis at home and abroad were reviewed.
    介绍了国内外在电解铝过程中氧化铝浓度控制的一些方法及其进展。
13. Strengthening of silicon carbide whiskers and particle dispersion were both used to improve the performances of alumina ceramic.
    运用品须补强和粒子弥散双重手段，对氧化铝材料的性能进行改进。
14. Alumina sol and acidified pseudoboehmite are important binders which are widely used in preparing semi-synthesized FCC catalyst.
    氧化铝溶胶和酸化拟薄水铝石是目前国内制备半合成FCC催化剂的常用粘结剂。
15. Methods including alkali sintering method, acid leaching method and so on of extracting alumina from fly ash and research progress thereof at home and abroad have been expounded.
    对国内外采用粉煤灰提取氧化铝的工艺方法及研究进展进行了阐述，包括碱法烧结和酸浸法等工艺。
16. Morgan's ignitor and sensor products are based on high purity alumina or steatite.
    摩根高级陶瓷公司的点火器和传感器产品采用高纯氧化铝或块滑石生产。
17. Newest data of China's alumina industry development are used in analyzing the importance and objective of desilication in bauxite beneficiation.
    运用我国氧化铝工业发展的最新数据，分析了铝土矿选矿脱硅的重要性和目标；
18. Preparation of Ag nanodot array on porous alumina membrane by electron beam evaporation;
    本工作研究了离子束辅助下在氧化铝模板中大面积制备纳米点阵列的方法。
19. The first realization of transparent alumina ceramics among all advanced ceramics expand a new research field of advanced ceramics.
    氧化铝陶瓷是第一个实现透明化的先进陶瓷材料，拓展了先进陶瓷材料的研究和应用领域；
20. The effect of processing parameters on densification and microstructure of alumina ceramics is reviewed in the paper.
    讨论了工艺参数对氧化铝陶瓷致密化行为和显微结构的影响。
21. The alumina ceramics is of good properties and widely used.
    氧化铝陶瓷具有良好的性能，故应用广泛。
22. Red mud is the solid waste generated in alumina extracting process from bauxite.
    赤泥是从铝土矿中提取氧化铝的过程中产生的工业废渣。
23. This dissertation deals with surface modification of inorganic nano-particles ( nanometer silica, alumina and titania).
    本论文主要研究无机纳米粒子（纳米氧化硅、氧化铝和氧化钛）的表面接枝改性。
24. The study is on synthesis of mullite whiskers by sol-gel method, using industrial alumina sol and silica sol as raw materials.
    以工业纯铝溶胶和硅溶胶为原料，采用溶胶-凝胶工艺制备了莫来石晶须。
25. A new hydrogen peroxide electrochemical biosensor was fabricated through adsorbed cytochrome C in porous anodic alumina chemically modified.
    多孔阳极氧化铝经化学修饰后吸附细胞色素C，制备了过氧化氢生物传感器电极。
26. Application of ESP in Alumina Calcination System
    电除尘器在氧化铝焙烧系统中的应用
27. The effect of initiator systems on the gelation process of alumina slurry was studied.
    研究了引发剂体系对氧化铝浆料固化过程的影响。
28. Our main products are Silicon Carbide, Alumina Ceramic, Tungsten Carbide, and Carbon-Graphite Seal Rings.
    我们的主要产品是碳化硅、质合金、石墨密封环和氧化铝陶瓷制品。
29. It is studied on extracting alumina from fly ash by the way of limestone sinter and self powdering, discusses the influence of the sintered conditions of powder on alumina leaching.
    采用石灰石烧结熟料自粉化方法对从粉煤灰中提取氧化铝进行了研究，系统探讨了熟料烧成条件对氧化铝溶出率的影响。
30. Vertical lime kiln is the indispensable equipment for alumina sintering production process.
    立式石灰炉是烧结法氧化铝生产工艺中不可或缺的关键设备。

noun

1. any of various forms of aluminum oxide occurring naturally as corundum

   Synonym:    aluminum oxidealuminium oxide