It increased plough layer soil water and available nutrients content.
大豆覆膜增加了土壤水分与速效养分含量。
A parameters identification method of the layer soil-foundation-frame interaction system is presented.
提出了一种层状地基—基础—框架相互作用系统的参数识别方法。
The research supplies a new method for quantitative study of steady phreatic evaporation of sand-layer soil.
该实验为定量研究夹砂层状土壤潜水蒸发提供了新思路。
The influence caused irrigation (rainfall) is to each layer soil matric potential reduces with depth of increment.
灌水(降雨)对各层土壤基质势的影响随深度的增加而减小。
A new analytic method for grounding resistance of compound grounding grids in two-layer soil is deduced in this paper.
提出计算双层土壤复合接地网接地电阻的新解析方法。
The results indicate that dynamic characteristics of upper layer soil are major factors that affect the complex stiffness of pile.
通过参数影响分析研究发现，成层土中桩顶复刚度主要受上部土层动力特性及性质影响；
Through deducing the Green's function in a three level layer soil by complex image method, application of this method is clarified.
通过运用等值复数镜像法求出水平三层土壤中的格林函数，阐述等值复数镜像法的应用。
According to the failure mechanism of unsaturated expansive soil slope, the countermeasures to prevent shallow layer soil slide are suggested.
根据非饱和膨胀土边坡失稳的机理提出了防止边坡浅层滑动的对策措施。
At the initial stages of restoration, improvement on the soil biological properties by lichen and moss were represented mainly on surface layer soil.
在恢复初期，地衣和苔藓对土壤生物学性质的改善主要体现在土壤表层。
The analytic computational formula for grounding resistance of grounding rods in three-layer soil is derived based on the concept of equivalent soil resistivity.
基于等值土壤电阻率的概念，导出了三层土壤中垂直棒接地电阻解析计算公式。
Reliability calculation example shows that: in multi-layer soil pile, the reliability of a long pile bearing capacity is impacted greatest by the length of the pile.
可靠度计算实例表明，在多层土长桩承载力可靠性受桩长影响最大。
Based on the method of moment and the boundary element method, an improved method to analyze the grounding system buried in multi-layer soil with finite volumes is presented.
提出了分析含有有限体积的参数不同的材料的水平分层土壤中的接地网接地性能的方法。
Graphical method has been used to determine two layer soil parameters, but it is more difficult and the results obtamed are less accurate when the actual soil construct is complex.
长期以来人们一直采用绘图法确定双层土壤参数，然而这种方法对复杂的土壤结构误差较大，且较难实施。
The influences of the reflective coefficient of the double layer soil, the top layer soil thickness and the grounding grid area on the optimum arrangement are analyzed numerically.
论文采用数值计算的方法分析了双层土壤结构时土壤反射系数、上层土壤厚度及地网面积大小等因素对地网最优布置的影响规律。
The results showed that the compaction treatment measure conducted could be efficient to improve the moisture of the surface layer soil and improve the quality of the coal rejects reclaimed farmland.
结果表明，通过压实层处理措施可有效改善表层土壤水分，提高矸石复垦耕地质量。
Beneath the soil lies a layer of bedrock.
土壤下面有一层基岩。
The water evaporates and the salts are left behind, creating a white crustal layer that prevents air and water from reaching the underlying soil.
水蒸发留下盐分，形成白色的地壳层，阻止空气和水进入下面的土壤。
Once the humus layer disappears, nutrients cannot be recycled and leach from the soil, converting soil from fertile to infertile and making it suitable only for savanna vegetation.
一旦腐殖质层消失，养分就无法从土壤中回收和过滤，致使土壤由肥沃变为贫瘠，只适于热带草原植被的生长。
Five tons of soil would fill a small dump truck; if spread over an acre, it would make a layer slightly less than the thickness of a dime.
五吨的土会装满一辆小型自卸式卡车；若铺开在一英亩的土地上，它会形成不足一角硬币厚度的土层。
Duricrust is a hard layer on or near the surface of soil.
铝铁硅钙壳是土壤表面或其附近的一层硬物。
The killers threw him into a ditch and covered his body with a thin layer of soil in an attempt to hide the body.
杀人者将他扔进一条壕沟内，然后在他的身上埋上了一层薄土，试图掩藏他的尸体。
It's an 8 - to 12-inch layer of dirt impregnated with hydrogels, along with organic agents that nourish the natural bacteria in the soil.
它是一个由8-12英寸的一个充满水凝胶的泥土层，还有可以培养土壤中自然菌的有机处理剂。
If your soil does not contain a lot of sand, add a 3-inch layer of sand on top of the soil.
如果土壤含沙量不够，则需在土壤表面覆盖3英尺的细沙。
X woman's finger bone came from a soil layer that has yielded bracelets and other artifacts usually attributed to humans, Krause notes.
Krause提到，在发现X女人手指骨的土层中也挖掘出了手镯和其它手工品，这些东西通常是人类特有的。
As the glaciers advanced, they scraped off the top layer of rock and soil on land and then released minerals and nutrients into the ocean as they retreated.
在冰川进展过程中，它们剥脱了陆地表面的岩石和土壤，然后在撤退时将矿物质和营养物质释放到海洋中。
The sample is from the surface soil that scientists say covers a layer of ice.
科学家称上面覆盖一层冰的土壤样品是来自火星表层。
The top layer of soil is a different color. Scrape it away and make straight lines, which are easy to spot from above.
Dill告诉我们，土的上层和底下的颜色是不同的，把上层的土挖掉，呈现出一条颜色相异的直线壕沟便于人们从上空发现你。
Had no water layer here, and if there is not enough water and soil, slime molds will enter the sleep state.
本来这里的土层没有水源，如果没有足够的水源和土壤，黏菌会进入休眠状态。
Five tons of soil would fill a small dump truck; spread over an acre it would make a layer slightly less than the thickness of a dime, Mr. Cruse said.
5吨的土会装满一辆小型自卸式卡车；把这车土倾洒在一英亩土地上会形成不足一角硬币厚度的土层，克鲁斯先生说。
Five tons of soil would fill a small dump truck; spread over an acre it would make a layer slightly less than the thickness of a dime, Mr. Cruse said.
5吨的土会装满一辆小型自卸式卡车；把这车土倾洒在一英亩土地上会形成不足一角硬币厚度的土层，克鲁斯先生说。
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