斜锆石

基性岩斜锆石U-Pb同位素定年3种方法之比较

Comparison of three methods for baddeleyite U-Pb isotope dating of basic rocks

要获得矿相组成为斜锆石、刚玉、莫来石的AZS耐火材料，烧成温度必须大于1520℃，要使结构致密，烧成温度必须大于1600℃。

To obtain AZS refractories which consist of baddeleyite , corundum and mullite , the firing temperature should be higher than 1520 ℃, and to ensure the dense structure , the sintering temperature must be higher than 1600 ℃ .

锆石巨晶中发现的斜锆石包裹体和其它产地斜锆石相比具有贫大离子半径元素U，Th，Y，ZrHf高的特点。

In comparison to baddeleyite inclusions from other localities , the baddeleyite inclusions of Mingxi are depleted in large incompatible elements U , Th and Y , and have higher ratio Zr / Hf .

本试验采用粉末成型工艺，以斜锆石和电熔部分稳定氧化锆（PMD、PCD）为原料，采用不同含量的添加剂，在300MPa压力下成型，1720℃烧制成锆质定径水口。

Through adopting craft of the powder and mixing different additive of content , zirconia metering nozzle synthesized by sintering was studied with industrial zirconia and melting partially stabilized zirconia .

介绍了如何从斜锆石精矿制备高纯二氧化锆。

The paper introduced the way to prepare high-pure zirconia from zirkite .

共晶中的细晶斜锆石呈分散状晶体分布于液相基质中，意味着斜锆石不易溶解。

The small grains of baddeleyite in the eutectic existed as discrete zirconia crystals distributed in a liquid matrix , which illustrated the non-solubility of baddeleyite .

一种有光泽、灰白色、坚固的金属元素，类似钛，在核反应堆中用作中子吸收剂，见于斜锆石中。

A lustrous gray strong metallic element resembling titanium ; it is used in nuclear reactors as a neutron absorber ; it occurs in baddeleyite but is obtained chiefly from zircon .

本文系统研究了氧化锆复相陶瓷材料，以锆英石、斜锆石、莫来石和氧化铝等为原料，采用半干法成型，经高温烧结，制备出氧化锆复相陶瓷材料。

In this paper , Zirconia composite materials were prepared by semi-dry forming and sintering at high temperature . The main raw materials were Zircon , baddeleyite , mullite and alumina .