查询词典 meteorites

Furthermore,according to their petrologic features and mineral chemistry,21 groups of meteorites are pre...

经过岩石矿物学特征和矿物成分的对比分析，初步判定成对陨石21组。

They found that the SNC meteorites possess chemical, isotopic , and petrologic features consistent with data available from Mars at the time, findings further confirmed by Treiman et al.

应用火星侦察轨道器的高解析度影像，研究人员认为早期火山活动的增加、撞击事件或火星轨道的变化让温暖时期火星的大气层足以溶化大量地表的冰。

This site, by Larry Nittler of the Carnegie Institution of Washington, gives an overview of the study of presolar grains in meteorites.

该站点介绍了在太阳系形成以前时的红巨星和超新星粒子，这些粒子通过陨石来收集到，该网页是由美国华盛顿卡内基学会Larry Nittler先生创建的。

The team ultimately collected some 280 small meteorites, now called Almahata Sitta, with a total mass of about 5 kilograms -- the first material recovered from a known asteroid.

团队最后找到大约280块陨石碎片。这个小行星现在被命名为 Almahata Sitta ，总质量约5kg——第一个找到实物的已知小行星。

Some of these chemicals are thought to have come from a planet-forming disk of gas and dust that swirled around our young sun. Meteorites carrying the chemicals might have crash-landed on Earth.

部分有机物被认为来自围绕我们原始太阳的原始行星盘中的气体和尘埃，落在地球的陨石群带来另外一些有机物。

Meteorites arriving on Earth are decelerated by passing through our atmosphere.

到达地球的陨石经过我们的大气层时速度会降低。

Some meteorites (～15%) have especially low natural TL,suggesting that they have recently been reheated.

一些具有特别低自然TL值的陨石（～15％）表明经历了近期的加热作用，它们可能以特别小的近日距（＜0.8AU）轨道到达地球上。

The carbon in diamond and silicon-carbide grains from meteorites usually has ratios very different from this.

但是在陨石中的钻石和金刚砂颗粒，它们的两种同位素的比例很是不同。

This programme is all about meteorites and asteroids.

这是有关陨石及小行星的实验。

About 90% of meteorites are classified by the successors of Silliman and Kingsley as chondrites.

希里曼和金斯利的后继者将约90%的陨石都分类为球粒状陨石。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

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镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。