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Miscamthus floridulus, Arundo donaxl, Artemisia argyi, Comnyza Canadensis, Crotalaris mucronata, and Kummerowia striata, are pioneer plants for vegetation recovery in coal piles. They have high summed dominance ratio and take crucial action on vegetation recovery and community succession. Many pioneer plants including annual and perennial herbs, e.g. Imperata cylindrical, Comnyza Canadensis, and Crotalaris mucronata colonize successfully to provide conditions for colonization of shrubs, e.g. Buddleja asiatica.
耐贫瘠、广布性植物如五节芒、荻芦竹、艾蒿、小飞蓬及豆科杂草猪屎豆、鸡眼草等是煤矸石堆植被恢复重建的先锋植物,它们在群落中综合优势比较大,对植被重建和群落演替起决定性作用;许多一年或多年生草本植物,如白茅、小飞蓬、猪屎豆等先锋植物的成功定居,为驳骨丹等灌木的入侵创造了条件。
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With the development of municipal engineering, large diameter belled piles are used more and more widely, but the study on vertical bearing mechanism of it is not enough for the practice.
随着我国工程建设的发展,大直径扩底桩应用越来越广泛,然而对其竖向承载机理的研究却远不够。
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A case study is performed on the basis of analyzing data from field tests and the difference in Q-s curves between the large diameter cast-in-place pile and belled piles is compared.
有限元分析结果表明,基于该模型的有限元方法能够有效模拟桩的承载性状及承载变形机理。
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With the construction of large municipal structures, wide-span bridges and high buildings, the large diameter belled piles have been used widely due to their high bearing capacity.
随着大型市政设施、大跨桥梁及超高层建筑等建筑物的建设,近年来大直径扩底桩因具有单桩承载力高等优点在国内工程界逐渐得到广泛应用。
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Through the high, low response test and the field bearing test of rock-socketed and excavated belled piles with embedded test element,the characteristics o...
通过对埋设测试元件的嵌岩扩底桩进行高、低应变和静载试验,分析研究嵌岩扩底桩的承载特性,并对其的侧摩阻力与端阻力的发挥性状进行探讨。
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Combining the construction of the flexible breasting dolphin pile s in the Oil Pier-II Project of Karachi Port in Pakistan,the article mainly expatiates the comparison and selection of construction schemes for large-diameter hole boring and installation of breasting dolphin piles in the case of a lack of construction equipment.
通过对巴基斯坦OP-II码头工程柔性靠船桩的施工实践,阐述在施工设备缺乏的情况下进行大直径钻孔和吊装靠船桩的施工方案比选,以及综合考虑施工情况探讨靠船桩的设计新思路,并在不影响靠船桩正常使用的条件下对柔性靠船桩原设计作出适当变更,供柔性靠船桩设计和施工参考。
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Therefore,test and research on subgrade treatment of cataclastic expansive rock,retaining and protection of high cut slope in crushing and weak rock,and new retaining structure types of high embankment slope,such as piles-plate wall of prestressed anchor wire,reinforced earth retaining wall of new type straps,are conduc.
对此,开展了碎裂膨胀岩路基边坡处理、破碎软岩路堑高边坡挡护和路堤高边坡新型支挡结构(锚拉式桩板墙,新型拉筋加筋土挡土墙)等项结合工程的科研试验,取得突出成果,为南昆铁路的顺利建成和安全运营提供了科学依据。
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Pile net composite foundation is a type of artificial foundation in which net , piles and soil work together and perform compatibly .
桩-网复合地基较传统的复合地基形式而言,是一种新。
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The work that I do is website editor, because be electronic business affairs kind website, the requirement to information field won't be so too much, my ferial job basically arrived to popularize a field with respect to move, the understanding of first mistake just piles key word blindly, the hope has done SEO, can have first-rate help to the website, do do the website still does not have what improvement now, pass the study of period of time, with other center communicate and stationmaster people share, abrupt a fixed position that realizes oneself are original be a mistake.
我所做的工作是网站编辑,因为是电子商务类的网站,所以对资讯方面的要求不会太多,我平日的工作主要就转移到了推广方面,最初错误的认识就只是一味地堆关键字,希望把SEO做好了,对网站就会有非常好的帮助,做来做去到现在网站仍然没有什么起色,通过一段时间的学习,与其他站长的沟通以及站长们的分享,突然间意识到自己最初的定位是错误的。
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The result s indicate that there are synergy effect s between pile and foam under flatwise compressive st rength and fabric piles f ractured under flatwise compression. The flatwise compressive and shear st rength decrease with increasing of the pile height . The flatwise compressive st rength increases as exponent with increasing of the foam density.
结果表明,三维间隔连体织物泡沫夹层结构复合材料承受平压载荷时,芯柱和泡沫存在协同效应;平压载荷作用下主要发生芯柱断裂破坏;随着芯柱高度增加,平压、剪切强度均减小;随着泡沫密度增加,平压强度近似呈指数增长。
- 推荐网络例句
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Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".
歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车,和一双合并为一移交&整个lotta爱&。
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This is Kate, and that's Erin.
这是凯特,那个是爱朗。
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Articulate the aims, objectives and key aspects of a strategic business plan.
明确的宗旨,目标和重点战略业务计划。