晶石的

The oxides with spinel and peroskite structure are the key active components for phenol hydroxylation, and higher contents of them have the higher reaction activity.

形成的尖晶石或钙钛矿结构为苯酚羟基化反应的活性相，具有良好晶态的复合氧化物催化剂的反应活性较高。

We have found in chapter 3 that LiMn〓O〓 appeared on the surface of LiMnBO glass particales by long time annealing at glass transition temperature have rather good cycling ability.

我们的实验发现，在玻璃转变温度附近长时间退火后，在LiMnBO玻璃微粒表面层生成的尖晶石LiMn〓O〓具有很好的循环特性，这促使我们开展了在晶态LiMn〓O〓表面包覆玻璃态材料，进行表面修饰的研究。

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。

Element Sc shows a obvious selectivity that it is enriched in pyroxene, and depleted in melilite and spinel.

这些元素的富集系数大多数小于1、元素Sc显示出在辉石中富集，在黄〓石、尖晶石中贫化的明显的选择性。

The experimental results show that the unit-cell parameter β is continuously increasing with increasing pressure, suggesting the decrease of structural symmetry of staurolite. An unknown phase transition in staurolite structure was also observed in the pressure range of 1.5~2.7 GPa.

实验表明，在实验压力范围内，随着压力的增加晶胞参数β值逐渐增大，表明了十字石的结构对称性随压力增加而有所降低；同时，在1.5~2.7GPa压力范围内，十字石的晶体结构也发生了改变。

Through theoretical analysis of bischofite＇s pyrolysis and chemical analysis of intermediate products during different sintering stages, anhydrous magnesium chloride was presumed to be the precursor, which was confirmed by the preparation of MgO whisker from anhydrous magnesium chloride.

通过对水氯镁石热解的理论分析、以及对灼烧各阶段产物的化学分析，确定生成晶须的中间产物为无水氯化镁，然后直接从无水氯化镁制备出MgO 晶须。

The zircon grains separated from the syenogranite sample in the Chahayan pluton show generally euhedral form with fine oscillatory zoning on their CL images, and high Th/U ratios (0.32-1.12), which exhibit the features of magmatic zircons.

岩体中锆石呈自形晶，发育细微振荡生长环带，显示高的Th/U值(0.32~1.12)，表明锆石的岩浆成因。

The main content of Micro-crystal stone are natural marble tile , shell, glass, mosaic tile , together with good quality macromolecule polymer adhere solution, it is manufactured through advanced technique, and it is environmental protection construction product.

岗石是一种微晶石产品，它是以天然大理石、贝壳、玻璃、马赛克等为主要原材料，配以优质高分子聚合物为黏结剂，经过先进的制造工艺精制而成的绿色环保建筑材料。

The main content of Micro-crystal stone are natural marble tile , shell, glass, mosaic tile , together with good quality macromolecule polymer adhere solution, it is manufactured through advanced technique, and it is environmental protection construction stone products .

岗石是一种微晶石产品，它是以天然大理石、贝壳、玻璃、马赛克等为主要原材料，配以优质高分子聚合物为黏结剂，经过先进的制造工艺精制而成的绿色环保建筑材料。

The main content of Micro-crystal stone are natural marble tile , shell,glass, mosaictile , together with good quality macromolecule polymer adheresolution, it is manufactured through advanced technique, and it isenvironmental protection construction product.

岗石是一种微晶石产品，它是以天然大理石、贝壳、玻璃、马赛克等为主要原材料，配以优质高分子聚合物为黏结剂，经过先进的制造工艺精制而成的绿色环保建筑材料。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。