soil density的例句大全

But in actual application it is affected by many surface factors, such assoil uniformity, soil density, soil moisture, covering layer and the terrain.

但现场伽马能谱在实际的应用中有很多地表因素影响其准确性，例如土壤均一性、密度、湿度、覆盖层、地形等因素。

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Measurement of soil density and water content with Cs-137 gamma ray attenuation

用铯-137γ射线衰减法测量土壤密度和含水量

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Rainfall makes the soil density and disperse coefficient increased and porosity decreased.

降雨能使火烧迹地的土壤密度和分散系数升高、孔隙度下降。

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then the years of soil loss by erosion is calculated by soil erosion modulus, soil horizon thickness and soil density. according to the standard of ministry of water resources, the potential danger of soil erosion can be divided into 5 grades.

然后，由土壤年均侵蚀量、土层厚度和土壤容重得到土壤抗蚀年限图，按水利部标准将土壤侵蚀潜在危险度分为5级。

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Influence of soil bulk density on tilled surface lou-soil nitration under culture conditions

Angzuo室内培养条件下土壤容重对耕层（土娄）土硝化作用影响

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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。

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For soil plasma, the electron temperature and electron number density of the spark plasma are higher than that of laser plasma.

土壤放电等离子体温度和电子数密度均高于激光等离子体的温度和电子数密度。

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The slity soil frost ratio can be predicted through the input parameter of water content, density and freezing speed and the frost ratio is used in railway construction.

由含水量、密度和冻结速率三个基本输入参数，预测粉质土的冻胀率，进而分析对铁路工程建设的影响。

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Simulated Experiment on Effects of Soil Mechanical Composition and Soil Bulk Density on Soil Water Characteristic Parameters tillage machine with power-driven working parts

土壤机械组成及容重对水分特征参数影响模拟试验研究驱动型土壤耕作机械

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Shady soil organic matter 、 total porosity 、 capillary porosity and non-capillary porosity are greater than sunny; Shady soil bulk density is greater than sunny; different slope positions of soil properties showed different variation. ( 3) The biggest soil bulk density was at gully bottom.

阴坡的土壤有机质、总孔隙度、毛管孔隙度和非毛管孔隙度均大于阳坡；阴坡的土壤容重小于阳坡；（3）不同坡位的土壤理化性质表现出不同的变化规律。

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In the south slope of hill, wind erosion intensity is comparatively low, soil bulk density low, soil fertility very comparatively high, and agricultural productivity also high.

在丘陵的南坡，风蚀相对较轻，土壤容重较小，土壤肥力相对较高，农业生产力也高。

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Test on sowing density of seedy lotus in swamp soil zone of Honghu lake

洪湖沼泽土子莲播种密度试验

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Method for Determining Maximum Dry Density of Oversize Coarse-grained Soil

超径粗颗粒土最大干密度的确定方法

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Effects of grazing and patch quality of soil on density and branching pattern of Trifolium repens

放牧及土壤斑块质量对白三叶密度及分枝格局的影响

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Research of Soil Thermal Diffusivity and Liquid Water Flux Density at linfen City

临汾市土壤热扩散率和液态水通量密度研究

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Effect of Planting Density of Caragana intermedia on Soil Moisture

不同种植密度人工柠条林对土壤水分的影响

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The accumulation of heavy metals in roadside rice and wheat was affected by the traffic density, wind direction, soil properties, and available contents.

沿线水稻、小麦籽粒中重金属的累积受到车流量、风向、土壤性质、重金属有效态含量等因素的综合影响，不同重金属元素累积的最主要的影响因素各有不同。

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Influence of Soil Water on CO_2 Flux Density and Group Water Use Efficiency in Summer Corn Field

土壤水分对夏玉米农田CO2通量和群体水分利用率的影响

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Density population distributes in widely poor soil;

人口密度大，土地贫瘠；

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Effects land-use types on soil microbial characteristics and carbon density in the loessial hilly-gully region

黄土丘陵区土地利用类型对土壤微生物特征和碳密度的影响

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