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Ureilite is a particular kind of achondrite. It has not only highly fractionated igneous characteristics, but also primitive chondritic properties.

橄辉无球粒陨石是一类特殊的无球粒陨石,既具有高度分异的火成特征,又具有原始球粒陨石的特征。

The Ningqiang carbonaceous chondrite is the first falling carbonaceous chondrite in China, The ge...

宁强碳质球粒陨石是中国第一块降落的碳质球粒陨石。

Classification of ordinary chondrite s based on mean Fa and Fs value of olivine and Low-Ca pyroxene respectively is effective.

格罗夫山普通球粒陨石在类型分布上,其比例和南极以及非南极普通球粒陨石有显著不同,说明可能存在相当数量的成对陨石。

In addition to the established groups,there are about ten unique chondrites or chondrite grouplets, and also numerous ungrouped irons and iron grouplets.

此外 ,还发现1 0个独特的球粒陨石、许多未分群的球粒陨石小群、铁陨石和铁陨石小群,它们也来自各自不同的母体。

The enstitate ordinary chondrite family formed near the Sun and in the inner solar system.

顽辉石-普通球粒陨石系是在靠近太阳的内太阳系区域形成的关键词:南极陨石,沙漠陨石,球粒陨石,球粒陨石分类

Metamorphism generates feldspar through the devitrification of primary igneous glass and causes TL sensitivity to increase by a factor of ~10 5 in ordinary chondrites.

因此,TL灵敏度的测定已用作3型普通球粒陨石,CO、CV球粒陨石和钙长辉长无球粒陨石新的分类方法。

In this project, we have developed and established a new methodology of polymerization, which can serve as a general "pdatform" for manufacturing polymer nanospherical particals with superhigh performance from most olefinic and diolefinic monomers.

本项目发展了一种新的高分子纳米球粒制备技术,研制了超高效纳米球粒制备平台,制备高分子球粒种类包括:单烯和双烯类化合物为单体的系列高分子纳米球粒材料。

The chemical-petrographic types of these meteorites are presented below.Six are unequilibrated ordinary chondrites,including three H3 and three L3;92 meteorites are equilibrated ordinary chondrites,including 24 H-group(13 H4,10 H5,1 H6),64 L-group(2 L4,44 L5,18 L6) and 4 LL-group(3 LL4,1 LL5);the other two belong to stone-iron meteorites.In 6 unequilibrated ordinary chondrites,chondrules are well-shaped,and olivine and low-Ca pyroxene are commonly zoned and have wide ranges of composition.The olivine and low-Ca pyroxene in the other 92 equilibrated ordinary chondrites have similar composition,respectively,and to some degree it reflected thermodynamics equilibration in olivine and lowCa pyroxene.

并根据矿物-岩石学特征,划分了它们的化学-岩石类型:6块属于非平衡型普通球粒陨石(H3和L3群各3块);92块属于平衡型普通球粒陨石,包括:H群24块(13块H4,10块H5,1块H6),L群64块(2块L4,44块L5,18块L6),LL群4块(3块LL4,1块LL5);另外两块属于石-铁陨石。6块非平衡型普通球粒陨石保存了原始的岩石学和矿物化学特征,包括:清晰的球粒结构、橄榄石和低钙辉石具有明显的成分环带以及极不均一的化学组成等。92块平衡型普通球粒陨石中的橄榄石和低钙辉石显示出均一的化学组成,表明它们达到了一定的热力学平衡。

The isotopic abundances of rare gases and cosmic-ray exposure ages of asteroid meteorites, planetary meteorites and the Apollo lunar samples applied to clue up and understanding cosmic-ray exposure history of parent bodies of different meteorite types, collision events, the relationship between cosmic-ray exposure ages and heliocentric distance of the parent bodies, irradiation history of precompaction exposure of chondrules, pairing meteorites for the Antarctic meteorites and desert meteorites, the ejection history of planetary meteorites, and relative ages of lunar craters and so on.

小行星陨石、行星陨石及阿波罗月球样品的稀有气体同位素丰度和宇宙射线暴露年龄,已广泛应用于探索和了解不同类型陨石母体的宇宙射线暴露历史、冲击碰撞事件、暴露年龄与日心距离的关系、吸积形成母体前硅酸盐球粒的辐照历史、南极和沙漠陨石中成对陨石的判别、行星陨石的溅射历史及月坑的相对年龄等关键词:宇宙射线暴露年龄;陨石;球粒陨石;无球粒陨石;火星陨石;中铁陨石

However, the helium isotope analysis data are quite different between them. The abnormal of helium isotope made sure of extraterrestrial origin of iron cosmic spherules.

宇宙球粒的氦同位素分析值却截然不同;3He/4He×10^(-8)分别为:57.50±2.16和1.23±0.43;4He×10^(-8)cm^3 STP/g分别为:55.54和809.6;然而宇宙球粒的氦同位测定值都比各自的母岩高出许多;氦同位素的异常为所发现的宇宙球粒的地外来源更加确定。

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随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

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不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。