陆核(continental nucleus)是大陆块的中心部分。大陆地壳形成过程中最早阶段形成的硅铝质大陆块体,随后的大陆围绕其生成,因而它构成大陆的核心。表面呈缓斜圆丘状的相对稳定的陆块区。它经常有大块的基底岩石(往往为极古老的变质的前震旦系)出露并常常被具有陆缘海相沉积覆盖的地台所环绕。陆核在大地构造学上又称为陆盾或地盾。
... continental facies 陆相 continental code 国际电码 ; 欧陆电码 ; 大陆电码 ; 大陆(莫尔斯)电码 continental nucleus 陆核 ; 大陆核 ; 地盾 ...
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大陆核 [地质] continental nucleus ; nucleus of continent ; cratogene
太古代陆核 Archaean nuclei ; Archean nucleus
大陆核心 craton ; continental nuclei
陆核贫地 nuclear basin
陆核盆地 nuclear basin
陆核期 nuclear stage
陆核集结作用 continental nuclei aggregation
古陆核 craton ; ancient continent nucleus
商陆核糖体失活蛋白 Pokeweed Anti-viral Protein
近代的探险队已经从绿色冰山和冰核中带回了一些冰块样本,这些样本呈垂直的圆柱状,是沿着南极洲大陆的冰川冰架从极深的位置中取出的。
Recent expeditions have taken ice samples from green icebergs and ice cores—vertical, cylindrical ice samples reaching down to great depths—from the glacial ice shelves along the Antarctic continent.
Buesseler对海洋污染进行了研究,他说,根据世界上最严重的乌克兰契尔诺贝利核灾害之后的黑海的经验,海水中的风险没有在陆地上的风险大。
Experience with the Black Sea after the world's worst nuclear disaster in Chernobyl, Ukraine, shows the risk in water may not be as great as that seen on land, said Buesseler, who has studied issue.
只需要按动一下(核)按钮,美国和俄罗斯仍然能互相毁灭对方,他们仍然还有成千上万装载了核弹头的导弹部署在陆地和海洋。
The United States and Russia can still destroy each other at a push of a button and have thousands of missiles on the land or at sea armed with nuclear war heads.
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