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[求助]
求助--帮忙翻译一段英文文献,谢谢!!!!!
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还请哪位高人帮忙翻译这段英文,实在是十分感谢!!! The effects of incorporated residue on rill erosion include: (1) reduced shear stress on the soil as residue becomes exposed, (2) increased channel stability as residue elements acting as miniature grade control structures reduce the channel grade, (3) decreased channel scouring as the residue halts rill headcut advance, and (4) increased scour hole erosion as runoff moves over the residue elements. As the residue is exposed the total shear stress is divided between the stress acting on the soil and on the residue. Rill grade stability when the residue acts as a miniature grade control structure. This effect reduces the rill slope and the erosive potential of the flow. Reduction in scouring when the residue halts headcut advance. Scour hole erosion when the residue creates a plunge pool. When the residue creates a stable overfall, a scour hole may form and increase soil loss. |
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gdjt_lijia
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【答案】应助回帖
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hoe916: 金币+10, 翻译EPI+1, ★有帮助, 谢谢,虽然中间还是感觉有些出入,但还是非常感谢!! 2013-02-13 15:36:41
sltmac: 金币+20, 感谢应助 2013-03-21 12:24:46
hoe916: 金币+10, 翻译EPI+1, ★有帮助, 谢谢,虽然中间还是感觉有些出入,但还是非常感谢!! 2013-02-13 15:36:41
sltmac: 金币+20, 感谢应助 2013-03-21 12:24:46
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结合残留物对于(地表或岩石表面)冲蚀而成的水沟的侵蚀作用主要包括: (1)由于残留物的暴露而减小了其对土壤的剪切应力; (2)由于作为微小等级控制结构的残留物元素减小信道等级而增加了信道的稳定性; (3)由于残留物终止了水沟的“头剪切”的流地貌优势而减少了信道源头; (4)由于径流移动跨越残留物元素而增加了冲刷孔洞的腐蚀。 伴随着残留物的外露,总的剪切应力分为对土壤的应力和对残留物的应力。当作为微小等级控制结构时的水沟等级稳定性。这一效果减小了水沟坡度以及流动的潜在腐蚀。当残留物终止了水沟的“头剪切”的流地貌优势时源头的减少。当残留物形成一俯冲的跳水池时的冲刷孔洞腐蚀。当残留物形成一个稳定的溢水流,冲刷孔洞将形成并增加土壤流失。 |
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