锆

On the basis of whole grain evaporation age on single zircons using a double filament for different genetic zircons in metalassenite and metarhyolite of Luoyu formation,Yunkai group,the formation age of volcanic rock is 922 Ma;later geologic events is 643 Ma￣716 Ma or 427 Ma￣473 Ma...

本文采用颗粒锆石分层蒸发法分别对云开群罗罅组变英安岩及变流纹岩中不同成因锆石进行年龄测定，获得该火山岩之形成年龄为922Ma，940Ma；后期地质事件年龄为643Ma～716Ma，427Ma～473Ma及物源区的年龄为1616Ma，2084Ma。

The result indicated that the zircon saturation temperatures for host granodioriterange in 762～773oC,the average is 769oC,and the zircon saturation temperatures for mafic microgranular enclaves range in 752～770oC,the average is 760oC.

计算结果表明，阳坝花岗闪长岩的锆石饱和温度介于762～773oC，平均值为769oC，暗色微粒包体的锆石饱和温度介于752～770oC，平均值为760oC。

In order to make it clear that the formation age and source region of Sanchazi island are volcanic rocks from the Mianlue suture. Ziron U-Pb dating, Hf isotopic composition and trace element concentration on the Diabase dike swarm collected front island-arc ophiolitic mélange in Mianlue suture, south Qinling are studied.

为了弄清楚勉略构造带中三岔子岛弧火山岩的形成时代及源区特征，对南秦岭勉略缝合带三岔子岛弧蛇绿混杂岩中的辉绿岩墙样品进行了锆石U-Pb年代学、锆石Hf同位素组成及微量元素组成研究。

The results show that higher zircon addition resists the densification of fused magnesia zirconia materials,and the zircon addition influences the crystalline size of periclase,pore size and the pore structure significantly.

结果表明，配料中锆英砂含量的增加使熔浆的粘度上升，合成料难以致密化。锆英砂配入量对ZrO2晶形及晶粒尺寸影响不大，但明显影响方镁石的晶形、晶粒尺寸以及气孔的形状和尺寸。

In the detrital zircon sample FH4, which was collected from lower sandstones of the Fanghushan Formation, the oldest sedimentary strata of the Hefei Basin. HP-UHP mineral inclusions such as coesite, omphacite, phengite and melt inclusions, and other minerals like apatite, quartz, feldspar, white micas were identified by means of micro-laser Raman spectrometer and electron probe.

防虎山组的下部砂岩地层是合肥盆地最古老的中生代沉积地层，在样品FH4中选出了碎屑锆石，通过显微激光拉曼光谱、电子探针的研究发现，锆石中含有柯石英、绿辉石、多硅白云母等典型的高压－超高压矿物包裹体、熔体玻璃包裹体以及磷灰石、石英、斜长石、白云母等矿物包裹体。

The experimental results show that the optimum preparation conditions of catalyst of SO42-/Zr-CLC are achieved :pillaring material is 0.5mol/l ZrOCb,Zr/clay is 3mmol/g,accelerant is (NH4)2SO4 and the quantity of SO42- is 30%, the precursor of Zr-CLC is dipped by SO42- and is calcinated at temperature of 500 癈 for 2h.

将聚合羟基锆阳离子交联剂通过离子交换引入膨润土层间域撑柱膨润土，同时通过浸渍将SO42-引入到膨润土层间的锆阳离子表面，高温焙烧活化，合成了催化性能良好的中孔固体酸催化剂SO42／Zr-CLC，同时对催化剂的性能和结构进行了研究。

Chromia-pillared zirconium phenylphosphonate and phosphate were prepared via preswelling the layered phosphates by ethylamine prior to the intercalation of the pillaring species.

采用乙胺预胶体化方法合成了一系列氧化铬层柱苯膦酸锆和氧化铬层柱磷酸锆催化剂，其铬含量达到22.5%-36.5%，比表面为316-462m^2/g，中孔孔容占总孔容的70%以上，孔径集中在2nm左右。

The Zhashui granite body, with typical rapakivi texture, is intruded into the nearby Shangdan suture zone of the Qinling orogen.

柞水岩体侵位于秦岭造山带商丹缝合带附近，具有比较典型的环斑花岗结构，本文获得了213.6±1.8 Ma的单颗粒锆石 U-Pb 年龄，MSWD 为 1.5，这个年龄与前人在东秦岭沙河湾环斑花岗岩测定的锆石 U-Pb年龄非常一致。

In low-temperature superalkaline condition,the nuclei of zirconia were synthesized simply by stirring and milling the solid mixture of sodium hydroxide and zirconium oxychloride.

摘 要：以分析纯氢氧化钠和氯氧化锆为原料，通过低温强碱合成法简单、方便地合成了二氧化锆晶核。

In low-temperature superalkaline condition,the nuclei of zirconia were synthesized simply by stirring and milling the solid mixture of sodium hydroxide and zirconium oxychloride.

以分析纯氢氧化钠和氯氧化锆为原料，通过低温强碱合成法简单、方便地合成了二氧化锆晶核。

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。