查询词典 hardpan

Soil management for breaking-down the hardpan allows

打破硬磐土壤措施使得

L Hardpan - A dense layer of clay that is impenetrable by roots and water.

l 硬质土层-一种密集的使根部和水都不可以穿过的粘土层。

In these soils, the most important problem is a hardpan, about 30 cm in depth, caused by heavy diskings.

这种土壤最重要的问题是重型园盘耙造成的30厘米深处的硬磐。

Its uninviting surface is marked by mesas and buttes, and barren stretches of parched desert hardpan.

不起眼的表面有著台地与小尖山以及贫脊乾燥的沙质地基。

Soils with clay and hardpan can hold water and expand when they freeze and slide when wet.

土壤黏土、硬土层站得住脚并扩大他们在滑湿、冻结。

And next year — on July 4, perhaps — they intend to take the North American Eagle to the hardpan desert at Black Rock, Nevada, and run it through a measured mile to set a new land speed record of about 1,300 kilometers per hour, 70 kilometers per hour faster than the speed of sound.

而在明年，也许是7月4日，他们打算把这架命名为「北美之鹰」的老战机带到内华达州黑岩硬地沙漠，希望在1实测英里的距离内，创下时速1300公里的陆地速度新纪录，比音速还要快70公里。

The limestone–and–clay and sand-and-clay soil over a hardpan and iron–dross subsoil allows excellent draining.

庄园粘土层上的石灰石泥和沙泥土以及心土钢渣形成了很好的排水。

Based on the project instance, construction craft is introduced that shallow layer guide hole technology to improve soft soil foundation under thick hardpan and the refit of main construction equipment. It has succeeded in solving problem of the drain consolidation of silt. The result is good

摘 要：结合工程实例介绍采用浅层引孔技术加固硬土层下软土地基的施工工艺及主要施工设备的改装，成功地解决了穿透较厚硬土层使下卧淤泥层排水固结的技术难题，效果良好，经济实用，有较好的推广价值。

Prices have reached the hardpan .

物价已经降到了。

The paper has a further research on the influence of compound soil nailing behavior in the perspective and the axial strength of the soil nails of the effect of the stiffness of soil, the stiffness of soil-cement mixing piles, the width of soil-cement mixing piles, the length of nails, the angle of nails. The paper also has a research on the influence of compound soil nailing behavior in the perspective of silt and hardpan of the effect of the width of soil-cement mixing piles.

深入分析了土体的弹性模量，水泥搅拌桩的弹性模量，水泥搅拌桩挡墙的宽度，土钉长度的变化以及土钉倾角的变化对复合型土钉墙变形性状和土钉轴力的影响，以及水泥搅拌桩挡墙的宽度在淤泥土层以及砂土土层中对复合型土钉墙支护变形性状的影响。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。