锆

Key words: zirconia; dental all-ceramic; veneering porcelain; color

氧化锆；全瓷修复体；饰瓷；颜色

Our project is based on Cenozoic volcanic rocks and deep seated xenoliths in it to reconstruct the source composition and ctructure. We did field investigation, collection of samples, determination of age and composition characteristics of selected samples. The new achievements are following. 1 recognized a potassic metasomatic source of the Cenozoic volcanic rocks through an integrated research of volcanic rocks and their sources. 2 analysis of TM images suggests the Tuoyun basin is a basin with a volcano group instead of a simple volcano-tectonic basin. We found several volcanic craters and cone, and detected three such craters. 3 systematic reseach of volcanic sections and collection of samples both of volcanic rocks and xenoliths, the later includes peridotite, granulite, gneiss and variety of megacrysts. This is propitious to our further research at this rigion. We would like to point that we collected some peridotite large than 20cm in diameter. It could used to variety of analysis and end the history without mantle chemistry records in the region. 4 we got a U-Pb SHRIMP age of 3.87 Ma for the Kangxiwa basalt.It is the youngest record of U-Pb SHRIMP age in China and provide a chronology restriction for last uplifting of Tibet plateau. 5 the investigation of alkali syenite-synogranite in Taxkogan suggests that the origin of Parmir syntex is related to the Cenozoic magmatism.

本项目立足于从火山岩属性和深源捕掳体反演源区成分与结构两个途径，利用火山岩综合研究成果对地幔源区进行了初步反演，提出源区经受过强烈钾质交代的观点；对重点工作区TM图像进行了初步解译，新发现若干了火山口，并对其中三个火山口作了实地查验，为进一步全面深入开展该区的火山地质学及相关科学问题打下了良好基础，认为托云盆地是一个火山群，而不是一个单一的火山构造盆地；系统测制了火山岩剖面，新采集了一批重要的火山岩和深源岩石捕虏体样品，为下一步工作打下基础，特别是采集到了直径打20cm的幔源橄榄岩包体，可用于各种测试，将可以结束西部造山带没有地幔岩化学分析结果的历史；对康西瓦玄武岩进行了测年分析，取得了我国目前最年轻的锆石U-Pb SHRIMP年龄，对青藏高原挽近地质时期的隆升提供了年代学约束；对帕米尔东缘塔什库尔干碱性岩体的动力学意义进行了探讨，提出青藏高原西部构造结的形成与岩浆活动有关的观点。

The properties, the weldability and the welding method of Zr R60702 were analyzed.

对锆R60702的材料性能、焊接性、焊接方法进行了分析。

Ultrafine zircon powder with high purity is a kind of brightening agent in glaze for making high-grade cleaning whiteware.

高纯超细锆英石粉是制造高档卫生洁具陶瓷所用釉料中的乳浊增白剂。

The tetragonal zirconia polycrystals containing ytterbia with high flexural strength and fracture toughness were obtained by use of hot pressing.

用热压方法制得了含有氧化镱的高强度、高韧性四方相氧化锆陶瓷材料。

The purpose of this investigation is to find a procedure to seal yttria stabilized zirconia electrolyte to the stainless steel seal electrical interconnect or gas manifold.

这样做的目的是要找到调查程序印章钇稳定的二氧化锆电解质的不锈钢电气互连或天然气多方面的。

The different content TiN added 3 mol% yttria stabilized zirconia were researc- hed in this study.

本实验以不同比例氮化钛(10、20、30 wt%)添加於钇安定氧化锆3mol。

OBJECTIVE: To analyze the sintering and mechanical properties and microstructure of nano-powder 3 mol % yttria stabilized tetragonal zirconia polycrystal (3Y-TZP).

目的：分析摩尔分数为3%氧化钇稳定的四方多晶氧化锆(3Y-TZP)的烧结性能、力学性能及微观结构。

Yttria stabilized zirconia, stainless steel, reactive brazing, in-situ alloying, and titanium-nickel filler metals.

氧化钇稳定氧化锆，不锈钢，反应钎焊，原位合金和钛镍料。

This study showed that yttria stabilized zirconia can be brazed to 444 stainless steel by in-situ alloying of pure Ni-Ti foils at temperatures around 1000°C. The best brazes were produced when brazing for 60 minutes at 1010°C and 30 minutes at 1030°C.

概要 此文验证了氧化钇稳定的氧化锆在1000°C下可以使用纯镍、钛箔现场配制的合金进行钎焊444不锈钢。1010℃钎焊60分钟，1030℃钎焊30分钟可以达到最好效果。

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。