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倾斜节理

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The Cretaceous sedimentary rocks were baked by the basaltic lava flow erupted in the Early Miocene, contracting in volume owing to loss of water contained mainly in the clays of the clastic rocks, and thus forming the columnar jointing. According to the occurrences of jointing and the sedimentary strata the authors calculated the two different rotations of the Mellit block: the block tilted toward 338° for 18° from Late Cretaceous to the beginning of Miocene, and tilted toward 138° for 18° since Miocene.

可以合理地假定柱状节理在形成时是垂直于大地基准面的,根据柱状节理和沉积岩层的产状,笔者计算出Mellit地块的两期旋转事件:自晚白垩世初期到中新世初期该地块向338°方向倾斜了18°,而自中新世以来又向138°方向倾斜了18°。

The stability of the goafs of Liangshi gypsum deposit is mainly influenced by the small thickness,water-absorption and low strengths of compression and shear of the upper walls of the orebodies;and by the clearages and bedding ;as well as the undergraound water activity and irregular mining.

两市镇缓倾斜石膏矿床采空区稳定性的影响因素,主要有矿体顶板硬壳——青膏层的厚度薄,易吸水软化,抗压抗剪强度低;区内局部节理发育、层理密集;地下水活动以及开采不规范等。

推荐网络例句

On closer examination, though, this is not a vote for multilateralism but just the opposite.

仔细审视后我们发现,这并非是对多边主义投出的赞成票,而是恰好相反。

Uncovering their weak spots, so I can defeat them.

揭露出他们的弱点,这样我就可以打败他们了。

Methyl bromides, in C_(3v) symmetry, have been extensively studied at their first absorption A-band because the behavior of these molecules can be used as a prototype for depicting numerous types of photodissociations in a variety of polyatomic molecules.

例如,有很多研究报道了C_(3v)对称的溴甲烷等分子在第一吸收带的光解,这是因为其光解行为可以作为理解其它多原子分光解的原型。