hadean

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hadean是什么意思
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词汇分类:石油化工专业常用词汇
词义:

adj.

地狱的,阴间的;

英英释义

hadean[ 'heidiən ]

n.the earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago); no evidence of life

同义词:Hadean timeHadean eonHadean aeonPriscoanPriscoan eonPriscoan aeon

adj.of or relating to or characteristic of Hades or Tartarus

同义词:PlutonianTartarean

用法:

权威例句

Neodymium-142 evidence for Hadean mafic crust

The oxidation state of Hadean magmas and implications for early Earth's atmosphere.

Microbial habitability of the Hadean Earth during the late heavy bombardment

Coupled 142Nd-143Nd isotopic evidence for Hadean mantle dynamics.

Hadean crustal evolution revisited: New constraints from Pb–Hf isotope systematics of the Jack Hills zircons

Comment on "Heterogeneous Hadean hafnium: evidence of continental crust at 4.4 to 4.5 Ga".

Response to Comment on “Neodymium-142 Evidence for Hadean Mafic Crust”

Trace-element composition of hydrothermal zircon and the alteration of Hadean zircon from the Jack Hills, Australia

The equation of state of a molten komatiite: 2. Application to komatiite petrogenesis and the Hadean Mantle

Early (≥ 4.5Ga) formation of terrestrial crust: Lu–Hf, δ 18 O, and Ti thermometry results for Hadean zircons
造句:

1. The Jack Hills zircon led to something of a revolution in our understanding of the Hadean eon.

杰克·希尔斯锆石导致我们对冥古宙的理解发生了革命性的变化。

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2. The history of Earth is divided into four eons —starting with the earliest, these are the Hadean, Archean, Proterozoic, and Phanerozoic.

地球的历史可分为四个时期——依次经历冥古代、太古代、元古代和显生宙。

youdao

3. The history of Earth is divided into four eons - starting with the earliest, these are the Hadean, Archean, Proterozoic, and Phanerozoic.

地球的历史可分为四个时期——依次经历冥古代、太古代、元古代和显生宙。

youdao

4. This material was pummeling the surface of Earth right through the Hadean era. But that doesn't explain why LUCA chose our side of the mirror.

在整个冥古宙,从太空中被抛至地球的正是这种物质,但这种猜测却无法解释为什么露卡会选择两种镜像中的一种。

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5. "I think we're in basic agreement on" the habitability of the Hadean, says geophysicist Norman Sleep of Stanford University in Stanford, California, who has done similar calculations.

“我认为,我们在冥古代适于生存的问题上意见基本一致,”加州斯坦福大学的地球物理学家诺曼·斯利普说。

youdao

6. "I think we're in basic agreement on" the habitability of the Hadean, says geophysicist Norman Sleep of Stanford University in Stanford, California, who has done similar calculations.

“我认为,我们在冥古代适于生存的问题上意见基本一致,”加州斯坦福大学的地球物理学家诺曼·斯利普说。

youdao

hadean

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