corundum 中文意思是什麼

corundum 解釋
n. 名詞 【礦物】剛石，剛玉；【機械工程】金鋼砂（磨料）；金剛砂磨輪。

  1. It is closely related to the corundum structure except that the cations are of two different types.

    除了陽離子是兩種不同種類以外，它和剛玉構型非常接近。
  2. Corundum and chrome - corundum purging plugs for ladle refining

    剛玉鉻剛玉透氣磚
  3. The compositions of usual elements and rare earth elements and inclusions of corundum megacrysts related to alkali basalt in changle, shandong province, are analyzed. in the main parts of corundum megacrysts are a large number of fluid - melting inclusions, zircon, ta - columbite inclusions, and in the central crystal core are a large number of melting inclusions. the corundum megacrysts were formed in different periods and different physical chemistry conditions. the crystal core was formed in magma system, and the main parts were formed in inhomogeneously geochemical conditions in which magam and fluid phases coexisted

    分析山東昌樂與堿性玄武巖有關的剛玉巨晶不同部位的常量元素、稀土元素及包裹體組成.剛玉巨晶的主體以大量流體?熔體包裹體、鋯石、鈮（鉭）鐵礦包裹體為主，而巨晶中的「晶核」部位則以大量的熔體包裹體為主，反映研究區的剛玉巨晶是在不同的階段形成的.剛玉「晶核」以及「銅皮剛玉」形成於熔體相為主的體系中，而主體剛玉則形成於熔體?流體過渡的急劇變化的不均一的地球化學環境中
  4. Hmor of low cement corundum based castable

    低水泥剛玉澆注料的高溫抗折強度研究
  5. The study on corundum - based castables of low cement

    剛玉質低水泥燒注料的研製
  6. Development of corundum - spinel castable for outer lining of rh snorkel

    尖晶石澆注料的侵蝕行為
  7. Properties of corundum - periclase - spinel castables with different bonding systems

    尖晶石澆注料的性能
  8. Effect of spinel addition on property of chrome - corundum castable

    尖晶石加入量對鉻剛玉澆注料性能的影響
  9. Pleochroism and pleochroism ' s formation mechanism of gem quality corundum

    剛玉族寶石的多色性及形成機理
  10. Development and application of corundum - spinel - magnesia castable for ladle bottom

    方鎂石澆注料的研製與應用
  11. Influence of zirconia on thermal shock stability of corundum - spinel castables

    尖晶石澆注料熱震穩定性的影響
  12. Usage : mainly used in the production of fused salt electrorefining aluminium, corundum, enamel, refractories and other alumina chemical products, meanwhile it can also used in paints area

    用途:適用於溶解鹽電解法生產電解鋁，也適用於生產剛玉、陶瓷耐火製品及生產其他氧化鋁化學製品。同時也可用於塗料行業當中
  13. Study on the synthesis of corundum - mullite - gahnite multiphase materials by one - step sintering process using kaolinite showed that corundum - mullite - gahnite multiphase materials with the apparent porosity less than 5 % can be obtained through sintering at 1700 for 3h

    在1700下保溫3h ，能夠一步合成出顯氣孔率在5以下的剛玉?莫來石?鋅鋁尖晶石復相材料，各物相間結合緊密，發育較好。
  14. Study on the synthesis of corundum - mullite - gahnite multiphase materials by two - step sintering process using kaolinite as raw material showed that impurities introduced by kaolinite mainly increased the liquid amount at high temperature, which can assist sintering of specimen. the experiment results indicated that the samples with lower gahnite content had better sinterability than others. however, if the gahnite content was relative high, the promoting effect on sinterability caused by kaolinite was not significant

    採用天然原料高嶺土二步煅燒合成剛玉?莫來石?鋅鋁尖晶石復相材料研究發現：天然原料中帶入的雜質主要是增加液相量，促進高溫下試樣的燒結；當尖晶石含量較低時，試樣在1300保溫2h時，在1600燒后試樣燒結性能相比之下較好；而當鋅鋁尖晶石含量較高時，天然料對試樣的促燒作用不是非常明顯。
  15. Based on orthogonal designed experiment, the synthesis of corundum - mullite - gahnite multiphase materials by two - step sintering process showed that the light fired temperature and holding time mostly influenced the apparent porosity of the multiphase materials. further study on the light firing time indicated that at the light firing temperature of 1300 and died fire temperature of 1600 for 3h, the optimal light fired time was about 1h

    二次煅燒及正交實驗合成復相材料研究表明：輕燒溫度和輕燒時間對復相材料的顯氣孔率影響顯著；通過輕燒保溫時間的進一步研究表明：含剛玉、莫來石、鋅鋁尖晶石的復相材料，在輕燒溫度為1300 、終燒條件為1600下保溫3h時，最佳的保溫時間為1小時左右。
  16. Based on the review, the main objectives of this work had been determined. the thermodynamic analysis indicated that corundum - mullite - gahnite multiphase materials can be synthesized. the investigation of x - ray diffraction ( xrd ) and scan electron microscope ( sem ) proved the validity of thermodynamics research

    通過對al _ 2o _ 3 - sio _ 2 - zno體系相關反應熱力學的計算表明能夠合成出剛玉?莫來石?鋅鋁尖晶石復相材料， x ?射線衍射（ xrd ）和掃描電子顯微鏡（ sem ）的研究證實了熱力學計算的可靠性。
  17. It is well known that there exists a composition triangle in phase diagram for ternary system of al2o3 - sio2 - zno, responding to three high temperature phases of corundum, mullite and gahnite. through control of chemical composition and technical process, it is possible to synthesize corundum - mullite - gahnite multiphase materials theoretically

    在al _ 2o _ 3 - sio _ 2 - zno三元系中，存在著一個對應剛玉、莫來石和鋅鋁尖晶石三物相的分三角形，在適當的配料組成和工藝條件下，是能夠合成出剛玉?莫來石?鋅鋁尖晶石復相材料。
  18. Study on the synthesis of corundum - mullite - gahnite multiphase materials by one - step sintering process using high purity raw materials showed that the more the content of gahnite in multiphase materials, the high the volume expansion would be introduced in the system, which resulted in the sintering difficulty of the multiphase materials. while the content of gahnite was controlled about 30wt % and the content of mullite was about 70wt %, the densified multiphase materials can be obtained after fired at 1600 or 1700

    採用高純原料一步合成剛玉?莫來石?鋅鋁尖晶石復相材料研究表明：復相材料中鋅鋁尖晶石含量越高，則合成鋅鋁尖晶石時產生的體積膨脹越大，燒結性也就越差；當鋅鋁尖晶石含量為30wt ，莫來石含量較高為70wt左右時，在1600或1700燒后都能得到顯微結構較為緻密的復相材料。
  19. We not only can design and produce the zircon and corundum of various kinds of irregular forms according to the customer s different demands, and can offer the products of different grades to customer, accept various kinds of heterotypic gems and process the business

    公司對品質檢驗嚴格把關，使產品等級符合國際標準。我們可以根據客戶的不同要求提供各種不同等級的產品，並設計及生產各種異形的寶石產品。
  20. Miscellany - the red corundum grains in some of the ruby. . zoisite rocks have corona like shell consisting of an off - white to yellowish material that, according to chris wright of wright ' s rock shop, hot springs, arkansas ( personal communication, july, 2005 ) are " variations in the zoisite "

    備注：在某些紅寶石里有紅剛玉的交叉雙晶，有的黝簾石巖石有象貝殼樣的冠狀物，顏色為白色到淡黃色，屬於一種變種的黝簾石。
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