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- Petrography and mineral chemistry of two spinel-rich spherules in carbonaceous chondrites from the Antarctica 南极碳质球粒陨石中两个富尖晶石球粒状难熔包体的岩石学和矿物化学特征
- or arrived as part of a late-accreting veneer of water-rich meteorites, similar to the carbonaceous chondrites that we see today; 另一种是来自一种后期聚集增生的富水陨星块体,与今天看到的碳质陨石相似;
- The efficacy of radioisotope heating was even lower in the parent asteroids of the carbonaceous chondrites; 放射性同位素的加热效率在碳质球粒陨石的母小行星中更低;
- carbonaceous chondrites 碳质球粒陨石
- work, we first assigned the chemical-petrographic types of these new Antarctica meteorites; and then searched for CAIs in three of the new carbonaceous chondrites of CV, CO and CM groups. 本论文在南极陨石分类基础上,对其中3块不同化学群碳质球粒陨石中的CAI进行了岩石矿物学研究,然后对不同球粒陨石群中的CAI进行对比。
- A carbonaceous electrode in an electric cell. 碳(精电)极电池里的碳质电极
- To draw, write, or blacken with a black, carbonaceous material. 用木炭画用黑色含碳物质画、写或弄黑
- carbonaceous chondrite 碳粒陨星,碳质球粒陨石
- Thin layers of sandy shale, and carbonaceous fragments are locally present. 局部出现砂质页岩薄层和碳质碎屑。
- A mineral variety of andalusite with carbonaceous impurities regularly arranged along the longer axis of the crystal. 空晶石红柱石的一种矿物质,沿着晶体的长晶轴上有规律地排列着含碳杂质
- Coal is a sedimentary rock composed principally of organic carbonaceous macerals and inorganic minerals. 摘要煤是一种有机沈淀岩,主要包括有机碳化合物和无机矿物。
- 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%25的陨石都分类为球粒状陨石(chondrite)。
- We compared what we found in Wild 2 to that found in a specific class of meteorites called “CI chondrites. 我们把在“怀尔特2”中找到的东西同在一类称为“CI球粒陨石”的特殊陨石中发现的相比较。
- The sediments are mudstone, shale, carbonaceous mudstone and marl of deep and semi-deep lake facies. 烃源岩已进入成熟阶段,处于生油高峰期。
- The balance was carbonaceous fraction, the nonflammable inorganic fraction was negligible. 其余为不挥发的可燃物碳粒,不可燃的无机物极少。
- Carbonaceous materials for the production of aluminium; Cokes for electrodes; Sampling. 摘要:炼铝用碳素材料。电极用焦炭。取样。
- This sandstone unit is commonly thick-bedded and massive, with silty and carbonaceous laminations. 该砂层单元通常为厚层或块状,具粉砂质和碳质纹层。
- During petroleum thermal conversion, asphaltene yields coke via the second liquid phase and the carbonaceous mesophase. 在石油热转化过程中,沥青质经由第二液相和碳质中间相转化为焦。
- The host rocks of Zhaishang Au deposit are mainly argillic, calc and carbonaceous slates and silty sandstone. 摘要寨上金矿区赋矿岩石主要为泥质、钙质、碳质板岩、粉砂岩等。
- Fine soot collected from incompletely burned carbonaceous materials, used as a pigment and in matches, explosives, lubricants, and fertilizers. 油烟从含碳物质的不完全燃烧中收集的黑煤烟,可用作颜料和用于火柴、爆破、润滑和施肥中
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries