Saturation is derived from water content and dry density of soil.
土的饱和度是基于水分状态和密度状态的一个衍生变量。
Mass loss rates of fir leaf litter appeared consistent with the taxa and individual relative density of soil fauna.
不同孔径凋落物袋内土壤动物的类群和个体相对密度与凋落叶的质量损失率呈现相对一致的变化趋势。
After remolding expansive soil disintegration characteristics were controlled by pretest water content in soil sample and dry density of soil.
膨胀土经过重塑后其湿化性主要受试前含水量和干密度控制。
The effects of moisture content, soil type, density of soil and microwave frequency on microwave re-flection loss were examined. These variables were found to influence the microwave reflection loss.
采用一套简单的试验装置以测定土壤的微波反射损失并用之研究土壤的含水量、容重、土壤类型和贯入阻力对微波反射损失的影响。
The technology was helped by the density of houses and other buildings, made of mud brick so that they showed up somewhat clearly against the looser soil cover.
这种技术利用了显现房屋和其他由泥砖建成的建筑的密度特性，因此可以清晰的显现被松散的泥土覆盖的物体。
How to assess quantitatively the desiccation of deep soil layer is of great importance to determine the reasonable vegetation type and density and guarantee vegetation rehabilitation.
如何定量评价深层土壤的干燥化程度，有助于确定适宜的植被类型和密度，保证人工植被建设的顺利进行。
Using the latter, with the correlativity of soil 'density and the velocity of the Rayleigh surface wave, we can obtain the compaction of the subgrade.
后者则是用已得到的各层瑞雷波速度值，利用土密度与瑞雷波速的相关关系计算各层的压实度。
Standardization of crop irrigation using the agrohydrological characteristics, such as texture, bulk density, soil moisture under the lowest water capacity and wilting moisture is investigated .
用土壤的农业水文学特征，如土壤质地、土壤容量、最低田间含水量和萎蔫下的土壤含水量对作物灌溉的规范化进行了研究。
The soil carbon density change model is based on regression analysis of the carbon densities of different soils.
对不同土壤类型碳密度随时间的变化，用回归分析的方法，建立土壤碳密度变化模型。
Send soil samples to lab for compaction test so as to determine the most reasonable water content ratio to enable on-site control of dry density.
将土样送试验室做击实试验，确定其最优含水率和现场控制干密度。
The tailing is different from common soil in the relation of the physical and mechanical properties (such as dry density and strength) with the stockpiling depth.
尾矿的物理力学性质如干密度、强度等与其堆存深度关系的密切程度与一般的土有较大的区别。
The main drives of succession include canopy density of rubber forest, management, climate, soil condition and the biological properties of vegetation.
演替驱动力主要有：胶林郁闭度、胶林抚育管理措施、气候和土壤条件以及胶林植被本身的生物学特性。
The research results of the effect of covered soil density on reducing radon emanation rate are introduced.
介绍了覆土密度对降低氡析出率影响的试验研究结果。
Conversely, the nutrition and soil physical property were enhanced with the decrease of density.
土壤主要营养成分及土壤物理性状则有随林分密度降低而改善的趋势。
The result shows that there are obvious difference in the colonization rate, density and species number of AMF when the inocula are soil from the different plant community.
结果表明：用不同植物群落的土样作为接种物，三叶草菌根侵染率和根际AMF种类和密度有很大差异，但菌根真菌种类数目较多；
With the increment of soil bulk density and water discharge rate, the movement of horizontal wetting front increased and the vertical movement decreased.
土壤质地、滴头流量、土壤密度以及供水方式等因素对于点源入渗有着一定的影响。
The suitable planting density and time of sowing are favor of optimum use of soil water and improving water use efficiency, and make potato increasing its output.
适宜播种密度和播期有利于土壤水分的优化利用和水分利用效率的提高，可促进旱地马铃薯增产。
The results of this analysis showed a significant correlation of water uptake rate with soil profile water content and root weight density.
结果表明：紫花苜蓿根系吸水速率与土壤剖面含水量和根重密度密切相关。
Matric suction is relevant with temperature of water-air system, density of pore-water, and relative humidity of pore-air of unsaturated soil.
非饱和土的基质吸力与其中水—气体系的温度、孔隙水的密度和孔隙气的相对湿度有关。
By laboratory tests, the density and the strength of light soil mixed with foamed beads are discussed.
利用试验手段，探讨了发泡颗粒轻质土密度、强度等物理力学性质在干湿循环环境下的稳定性状。
Root length density varied with fertigation frequencies, and the ratio of root length for different soil layers to the total root length in the profile varied with fertigation strategies.
施肥频率对根密度的影响主要是引起各土层根密度大小的变化，运行方式则对各土层根长占整个剖面根长总和的比例产生影响。
Some data indicate that the soil organic carbon density of paddy soil is higher than that of dry cropland soil in China, and has an increasing tendency over the last 20 years.
目前有资料表明，我国水稻土具有比旱地土壤较高的表土有机碳密度，且近20年来存在着升高的趋势。
The ratio of damaged trees was negatively correlated with stand density, soil depth and size class of diameter, and positively correlated with tree height.
林分密度和受灾率及土层厚度和受害株数均呈显著的线性负相关；
The density and biomass of soil animal has a positive interrelation to the present content of the fallen, the content of organic substance in soil and vegetation coverage.
土壤动物密度及生物量与调落物年归还量、土壤有机质含量、植被盖度等均呈正相关关系；
Then, the bulk density, porosity, the type of pore, particle constitute and organic carbon in the soil affected the soil moisture diffusivity.
土壤颗粒组成、容重、有机质、孔隙率影响土壤持水性能。
The results showed that after skidding operation, the soil density increased, the soil moisture condition got bad, the soil porosity and the contents of soil nutrients decreased.
通过对半悬索道集材后林地土壤理化性质的分析，结果表明：半悬索道集材后土壤容重增加，土壤结构和水分性能变差，土壤养分含量下降。
In control condition of the growth chamber analyzing the influence of inoculum density, soil water matric potential and soil temperature on mortality of pepper caused by p.
在生长箱内控制条件下分析测定了接种体密度、土壤水分基质势和土壤温度对辣椒疫病死苗率的影响。
Then, the bulk density, porosity, the type of pore and clay content in the soil affected the soil moisture diffusivity.
土壤容重、孔隙大小、孔隙类型及土壤颗粒组成中粘粒含量对土壤水分扩散率都有一定的影响。
The coefficient of variation of saturated water content decreased with the depth of profile. The coefficient of variation of bulk density and field capacity fluctuate with depth of soil.
饱和含水量的变异系数都随深度的增加逐渐降低，含水量、容重和田闷持水量的变异系数随深度的呈波动变化。
The coefficient of variation of saturated water content decreased with the depth of profile. The coefficient of variation of bulk density and field capacity fluctuate with depth of soil.
饱和含水量的变异系数都随深度的增加逐渐降低，含水量、容重和田闷持水量的变异系数随深度的呈波动变化。
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