锆的

These zircons have nearly the same ~(204)Pb -corrected ~(207)Pb/~(206)Pb ages, with weighted mean age of ca 2.5Ga, interpreted as forming or anatexis age of protolith of the rutile ores.

这两期锆石的~(204)Pb校正的~(207)Pb／~(206)Pb年龄值几乎一致，加权平均值位于2.5Ga左右，可解释为金红石矿石的原岩形成年龄或者深熔年龄。

The reason of big difference on fracture toughness for ceria stabilized co-precipitated ceramics, sintered in air and argon atmosphere respectively, was analyzed in brief.

从三个包裹体系的分析得出，少量Al〓O〓掺杂CeO〓包裹是得到优化力学性能的氧化锆陶瓷的最佳包裹工艺。

It is shown that the surface structure, characteristic, and catalytic property of the catalysts are obviously affected by the catalyst preparation methods.

结果表明，镧助剂的引入使得铁锆催化剂的表面结构、性质、及催化性能等都发生了明显的变化。

Also, it is heavily used for separating tin and tungsten ores. Besides, jigging method is introduced to handle gold,,tantalum, columbium, titanium, zirconium and chrome bearing primary ores and to separate placer with desirable results achieved.

对于金属矿石，是处理粗、中、细粒铁矿、锰矿的主要方法之一，并大量用于选别锡、钨矿石；跳汰法在处理含金，钽铌、钛、锆、铬的原生矿石和砂石的选别亦能获得良好效果。

The dislocation configuration and the interaction between hydrides and dislocations of N18 Zircaloy after cyclic deformation at room temperature have been investigated,using transmission electron microscopy.

应用透射电子显微镜研究了N18锆合金在室温下循环变形后的位错组态以及氢化物与位错的相互作用。

Here we dated the Lianhuagou pluton using LA-JCPMS zircon U-Pb method, for molybdenum polymetallic deposit evaluation and prospecting in Luonan county, Shaanxi province in recent years.

本文是笔者近几年在陕西省洛南县灵口地区开展钼多金属矿找矿评价和研究工作中，利用LA-ICPMS锆石U-Pb法新获得的莲花沟岩体同位素年代学数据的研究成果。

By calculating the ratio of uranium to lead, they determined that a dozen of the grains were very old indeed.

通过计算进入的铀的含量，他们确定了十二个锆石颗粒的确非常古老。

First, the second category of professional pressure vessel design, manufacturing company specializes in designing and manufacturing various specifications strong magnetic coupling blender, stir strong magnetic coupling of high pressure - reactor, hydrogenation reactor, polymerizer, magnetic glass kettle, ultrahigh-pressure cauldron of hot water, Sulfide cans, refined liu kettle, autoclave reactor, pipeline reactor, mechanical seal reactor and its associated pressure tank, the condenser, Tajikistan, etc., its structure, low-pressure high school, heating, stirring form, the changes in speed, automatic Can be controlled by standard or as requested by users of matching custom, the main material 0 Gr18Ni9 (304), 0Gr18Ni10Ti (321), 0 0Gr17Ni14Mo2 (316L / 2 Mo Ti), and other trademark stainless steel, titanium, Hastelloy alloy, Study Nile because of alloys, nickel-wood, wood of Zirconium, tantalum wood, silver material, of tetrafluoroethylene, carbon steel, and composite materials as its use of composite panels made of.

一、二类压力容器专业设计、制造公司专业设计制造各种规格强磁力偶合搅拌器、强磁力偶合搅拌高压—反应釜、氢化釜、聚合釜、磁力玻璃釜、超高压水热合成釜，硫化罐、精镏釜、蒸压釜、管道反应器、机械密封釜，及与其配套的压力罐、冷凝器、塔器等，其结构形式、高中低压、加热方式、搅拌形式、转速变化、自动控制均可按标准或按用户工艺要求进行选配定制，主体选材0Gr18Ni9（304）、 0Gr18Ni10Ti（321）、0 0Gr17Ni14Mo2（316L/钼二钛）等各种牌号不锈钢、钛材、哈氏合金、因考耐尔合金、镍材、锆材、钽材、银材、四氟存里、碳钢等，及用其材料复合成的复合板制成。

Depending on HTLC, subcritical water choromatography has been developed, which accords with Green Chromatography best.

近些年来，氧化锆[5]和聚合物[6]等热稳定性色谱填料的出现，进一步促进了HTLC的发展。

The methods of preparing stable boehmite sol and zirconium hydroxide sol by anionic exchange method using inorganic compounds as raw materials were investigated in this dissertation,and forming-membrane capability of the sols were also investigated on the base of the it.

本论文主要研究了以无机盐为原料，采用离子交换溶胶-凝胶法制备稳定勃姆石溶胶和氢氧化锆溶胶的方法，并在此基础上对溶胶的成膜性进行研究。

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。