• Sandy soils are prone to the leaching of nutrients and minerals and so tend to be nutritionally poor.

    养分矿物质容易沙质土壤中流失,因此沙质土壤往往较为贫瘠。

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  • But the purple pitcher plant, which lives in bogs and infertile sandy soils in North America, enlists other organisms to process its food.

    但是这种紫色的猪笼草,生活北美沼泽贫瘠沙质土壤,吸收其他生物作为的食物。

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  • This method can be applied to sandy soils, silty soils and deposit soft rock.

    方法不仅可以适用砂土而且还适用于沉积软岩材料。

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  • Sandy soils along the coast have relatively large spaces between the sand grains.

    沿海地区的砂质土壤砂粒空隙相对较大

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  • Afforestation in sandy soils can cause soil acidification and affect Cu and Zn release.

    砂质土壤造林引起土壤酸化影响的释放。

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  • A notable Ponderosa pine forest once thrived on the site's sandy soils and shallow groundwater.

    基地中的土壤浅层地下水曾经孕育片繁茂的北美黄松林

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  • Magnesium deficiency most commonly occurs in acid, sandy soils in areas of moderate to high rainfall.

    常常发生在中雨量雨量区的酸性砂质

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  • Some parts of Australia are dry because rainwater seeps quickly through sandy soils and into the rock below.

    澳大利亚一些地区非常干燥是因为雨水很快砂土进入下面的岩石层。

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  • Significance of this discussion is huge, but also on EPB in the sandy soils of the proposed construction of a strong basis.

    本文讨论意义巨大的土压平衡盾构中的施工提出强有力依据。 。

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  • Froelichia found in sandy soils and on rocky slopes in warmer regions of America; grown for their spikes of woolly white flowers.

    鼠曲草属中的任何一种植物生长美洲温热地区沙土岩石斜坡上花呈多穗状

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  • Based on the research of normalization of SPT -n, a method to estimate the relative density of normally consolidated sandy soils is proposed.

    介绍标准N研究成果基础上,提出了用归一化标准贯入N值估算正常固结砂土相对密度方法

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  • Upon transplantation of the in vitro plant seedlings, the survival rate in vermiculites was 85%, much higher than that transplanted in sandy soils.

    试管移栽过程的的成活率为85%,明显高于在砂土中。

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  • A majority of landfill sites are at the low-lying zones composed of sandy soils, and it is important that the sandy soils are used as landfill site liners.

    大部分垃圾填埋场选有低洼、底部组成的地带,开发利用砂土作为填埋场防渗衬垫具有十分重要意义。

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  • No-till works best in sandy soils, but in the heavier clay soils, fall traditional plowing is required to break the soil up enough for adequate crop yields.

    最好是砂土中,不过黏土中,秋天传统耕作需要充分打散泥土为了庄稼足够的产量

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  • In the paper, specification and basis of sandy soils Liquefaction in the revised seismic Design Code for Industrial and Civil Buildings are mainly described.

    本文主要介绍《建筑抗震设计规范》送审稿中关于砂土液化问题修订规定依据

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  • Soils with high clay content tend to bind radioactive elements and hinder their travel, while sandy soils allow more of the radiation to pass into growing food.

    粘土比例土壤容易结合放射性元素阻碍进一步扩散,沙质土壤中的辐射物质更容易进入作物内。

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  • West of the pine barrens, the sandy soils give way to finer textured loams , and the empty forests yield to fields of alfalfa and corn , of tomatoes and asparagus.

    松树以西地方,纹理细腻沃土取代了沙质土壤,种植着苜蓿玉米番茄芦笋田地取代空旷森林

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  • This paper studies the shearing strength characteristics of reinforced sandy soils from the results of triaxial comparative testings of reinforced sandy soils with pure sands.

    本文通过加砂土三轴对比实验结果研究加筋砂土的抗剪强度特性

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  • In addition, the generalized relationships between cyclic shear stress on failure plane and the number of cyclic loading causing liquefaction of the sandy soils are also presented.

    此外给出了饱和砂土液化破坏时破坏面上循环剪应力循环荷载次数一般关系。

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  • Based on former research, author investigates the interactions between pipelines and soils around by laboratory test and FEM. 1. Laboratory model test for pipelines buried in sandy soils.

    总结前人研究成果的基础,基于模型试验有限元分析方法,进行了掩埋管线的管相互作用研究:1。掩埋于砂土管线的室内模型试验研究。

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  • Some soils, such as sandy soils, have a loose crumb structure with good drainage, whereas in clay soils the particles are small and stick together to give a dense crumb structure and poor drainage.

    一些土壤例如砂土具有松散结构,因而良好水性,粘土中,由于土壤颗粒互相粘合导致粘土结构紧密排水性差。

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  • By contrast, dry soils are sandy and porous, their coarse textures permitting water to drain rapidly.

    相比之下,干燥土壤沙质多孔的,粗糙质地允许了水分的迅速流失

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  • Some savannas occur on wet, waterlogged soils; others on dry, sandy, well-drained soils.

    一些稀树大草原生长潮湿涝渍土壤上;其它则干燥多沙排水良好的土壤上。

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  • One occupies relatively dry sandy loam soils.

    一个则占据干旱沙壤土

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  • One occupies relatively dry sandy loam soils.

    一个则占据干旱沙壤土

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