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permafrost造句
1. Fulton lay on the permafrost, miming a cerebral haemorrhage. 2. Permafrost line runs right through middle, I think. 3. Florence in permafrost Cold pinches the hills around Florence. 4. The region is characterized by permafrost, and smectite and kaolinite are the common authigenic clay minerals in the soils. 5. Water extraction from permafrost by distillation seems rather straight forward. 6. Very important to know, because suppose you got permafrost under your concrete slab? 7. Permafrost restricts drainage; melt-water can not sink into the ground and in summer the thin active layer soon becomes waterlogged. 8. As permafrost gets warmer, it could become wetlands. 9. The permafrost is thawing now. 10. This is the vegetational climate of arctic permafrost regions. 11. An exposed wall of ice-rich permafrost dwarfs a researcher along the coast of Herschel Island in the Yukon Territory of Canada. 12. OSLO (Reuters) - Thawing permafrost can release nitrous oxide, also known as laughing gas, a contributor to climate change that has been largely overlooked in the Arctic, a study showed on Sunday. 13. The sea rapidly erodes this permafrost in coastal zones, a geological process that could have major implications for humans living in such chilly coastal areas. 14. Vladimir Romanovsky permafrost expert also at the University of Alaska, Fairbanks, says the study is worrying. 15. New understanding of permafrost melt could soon alter global - climate models. 16. Russia's vast permafrost areas may shrink by a third by the middle of the century due to global warming, endangering infrastructure in the Arctic zone, an emergencies ministry official said Friday. 17. The disease of subgrade in permafrost region was mainly induced by frost heaving and thawing circulation of frozen soils because of change of seasons. 18. Water could be extracted by distilling or melting blocks of permafrost. 19. Most of Mars seems to be covered with a layer of permafrost, kilometers deep in places. 20. The first option is to extract water from subsurface permafrost and use that water directly in a nuclear or solar steam rocket. 21. Lenses of rather pure ice are conceivable, but more likely is a permafrost containing 10 percent to 30 percent ice. 22. Very cold ice is very hard, and very cold permafrost is extraordinarily tough to cut through. 23. Undulating coastal plains and other ungraded lowlands, underlain by permafrost, in summer form some of the tundra's wettest areas. 24. The conclusion was instructive and might be a reference to railroading in high latitude permafrost. 25. Under the impact of climate warming and human engineering activities, the embankment with crushed rock slope protection needs the strengthening techniques in warm permafrost regions. 26. Missing only her hair and toenails, Lyuba is the best discovered example yet of a woolly mammoth spat from its tomb deep in the Russian permafrost. 27. An example of a tipping point is the thawing of the permafrost. 28. On the one hand flammable ice or in the vastness of the ocean bottom, or at risk far alpine permafrost zone, the development very difficult. 29. Thrawing frozen ground is the key to alluvial gold mining in Permafrost horizon. 30. Around one - fifth of the world's land area lies within the permafrost zone.