石的

The crystal-chemical properties and the genesis of the allanite have been disscussed, in addition, the radioative decay of Th and U and the oxidation cause rare-earth elements to be released from its lattice to d...

认为本区的褐帘石是部分变生的。变生的机理是因为其晶格中含放射性元素U，Th高，且这与褐帘石的选矿性能有重要关系。

A denitrifying oxide catalyst contains one prous metal carrier, ZSM-5 zeolite directly crystallized on said carrier and one metallic iron chosen from IB family or VIII family or their mixture. Said porous metal carrier contains at least one of prous Ni-Al, Fe-Al or Cu-Al alloys.

一种含ZSM－5沸石的脱氮氧化物催化剂含有一种多孔金属载体和直接晶化在该载体上的ZSM－5沸石和一种选自ⅠB族、Ⅷ族的金属离子或其混合物，所述多孔金属载体至少含有一种多孔镍－铝、铁－铝或铜－铝合金。

With the development of zeolite science,the structural properties of zeolites have been under intense investigation for at least four decades.

近四十年来，随着沸石分子筛科学的发展，对沸石的结构特性也进行了深入的研究。

Under the assumption that pore spaces of bentonite were completely filled by swelling of montmorillonite, an expression of swelling volumetric strain of montmorillonite was obtained based on the former research of microstructure of bentonite.

在已有膨润土微观结构研究的基础上，假设其中蒙脱石的膨胀完全填充土中孔隙，得到蒙脱石膨胀体积应变的表达式。

Special vacuum coating process applied to the back of the stone and visible through the crystal.

水晶石的底部经过特殊的真空涂层处理，可透过水晶石看到底部的色彩。

This experiment was made to investigate the changes of lipopro tein li pase and hepatic lipase activity and their effects on gallstone formati on in rabbit model in which the stones were induced by high cholesterol diet.Act ivities of plasma LPL and HL were determined; other data including concentratio n of plasma lipoprotein cholesterol, concentration of bile cholesterol and bile acids were also obtained.

为研究肝脂酶及脂蛋白脂酶在胆固醇结石成石过程中的变化及其对成石的影响，采用高胆固醇膳食诱发兔胆囊胆固醇结石模型，观测对照组及高胆固醇膳食1、2 、3、4周组动物血浆脂蛋白脂酶、肝脂酶活性、血浆脂蛋白胆固醇及胆汁中甘氨胆酸、甘氨脱氧胆酸、胆固醇的变化。

The results showed that the presence of SDS could shorten induction period of nucleation, increase the crystallization rate and decrease the particle size of zeolite 4A with the incr...

结果表明，加入SDS可以缩短4A沸石晶化过程中的诱导期，随着反应混合物中SDS加入量的增大，4A沸石的晶化时间缩短，产物粒度减小。

Stay underground in the quirky opal mining town of White Cliffs or see where exquisite black opal is mined and meet eccentric locals in Lightning Ridge.

在诡异的猫眼石采矿小镇白崖下榻地下酒店，或观看采掘出精致黑色猫眼石的地方，在闪电山脊结识古怪的当地人。

Effect of decomposition conditions on the ratio of seeded decomposition and properties of precipitation products from sodium aluminate solutions with the very light boehmite seed prepared from the hydrothermal homogeneous precipitation between aluminum sulfate and urea, was studied. Mechanism of the very light boehmite precipitation process was also analyzed.

以硫酸铝和尿素水热均相沉淀合成的低密度－水软铝石为晶种，研究分解条件对溶液分解率和分解产物性质的影响，还对从铝酸钠溶液析出低密度－水软铝石的过程进行了初步分析。

Effect of decomposition conditions on the ratio of seeded decomposition and properties of precipitation products from sodium aluminate solutions with the very light boehmite seed prepared from the hydrothermal homogeneous precipitation between aluminum sulfate and urea, was studied. Mechanism of the very light boehmite precipitation process was also analyzed.

摘 要：以硫酸铝和尿素水热均相沉淀合成的低密度一水软铝石为晶种，研究分解条件对溶液分解率和分解产物性质的影响，还对从铝酸钠溶液析出低密度一水软铝石的过程进行了初步分析。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。