查询词典 properties of soil

Oxidation of pyrite can significantly affect properties and the behavior of soil and rock in civil construction. Problems with pyritic rock and soil extend globally and across many disciplines.

本研究利用南岗工业区液化砂土，於室内制作35%、50%、90%三种相对密度的重模土壤试体，在三种不同有效围压下，分别进行排水与不排水静态三轴试验。

When taking into account the effect of soil organic carbon content on EC50 values, determination coefficients（R2）of the regression models between soil physico-chemical properties and EC50 values were increased from 0.743 to 0.824 in unleached soils and from 0.853 to 0.925 in leached soils, respectively.

土壤pH值是土壤中Ni对西红柿生长毒性的主控因子，进一步引入土壤有机碳因子时，淋洗和非淋洗土壤理化性质和EC50之间回归方程的决定系数R2由0.853和0.743分别提高到了0.925和0.824。

Soil-aggregate mixture is composed of gravel or cobble as its coarse grain and clay or sand as its filling. Whether natural or man-made, the mechanical properties of this material are widely different from homogeneous and continuous soil or rock.

土石混合体是由作为骨料的砾石或卵石与作为填充料的黏土或砂土组成的特殊工程地质材料，无论天然形成或人工合成，其力学特性与均质土体或岩体相比均有较大差异。

In addition, the paper also introduced bad influences of tourism development on ecosystem and landscape, such as partial breakage of vegetation, soil erosion and the changes of soil chemical and physical properties, the decrease of wild animals, the increase of bacteria, dust and exhaust gas in the air and water pollution.

还介绍了旅游对牛态系统组成和景观的负面影响研究，如旅游对植被的局部性破坏，造成土壤侵蚀和婵化性质的变化，减少野生动物的数量，增加空气中细菌、灰尘和废气的含量，造成水体污染等。

The quantitative study on the influences of soil structural properties and total organic material content on soil water characteristics, such as water holding within low suctions and saturated infiltration, especially the usage of fractal dimension, can be used in simplifying regional experienced forests-hydrological models.

4定量揭示了研究区土壤结构和有机质含量对土壤低吸力段持水性能、饱和渗透速率等水分的影响，尤其是分形理论的应用，可以为简化区域性经验水文模型奠定基础，同时明确了土壤结构稳定性、水分性质、有机质含量等在土壤侵蚀防治中的作用。

Soil investigation is a means of obtaining data regarding the properties and characteristics lf subsoils by providing samples for testing or providing a means of access for visual inspection.

soil investigation 是关于财产获得数据的方法，而且特性 lf 藉由提供样品给的底土尝试或为视觉的检验提供通路的方法。

Peat has properties of water and nutrient conservation, its soil organic matter and cellulose was also rather abundant, so peat is an important soil amendment.

中文摘要：草炭有机质含量高，疏松多孔，纤维含量丰富，保水保肥力强，是一种重要的土壤改良剂。

A modified viscoelastic-viscoplastic-damage constitutive model of soft soil has been developed in this thesis, in which the structural and rheologic properties of soft soil can be taken into account simultaneously.

因此，开展同时考虑软土流变性和结构性的本构模型及其与Biot固结理论耦合的有限元数值求解方法的研究，具有重要的理论和实际意义。

The strength criterions established already are formulated on the basis of the properties of reconstituted or remoulded soils, which can not reflect the influence of soil structures on the properties of structured soils.

已有的强度准则是建立在重塑土或扰动土的基础上的，它们不能很好的反映结构性土的强度变化规律。

By using undisturbed and remoulded soil samples,shear deformation,shear strength and consolidation properties of the structured clay which indicate the significant structure of the soil and the effect on engineering property are analysed.

从强度和变形两方面对试样的结构性进行了研究，分析了原状土和重塑土的变形特性、强度特性和固结特性，揭示了所研究的区域性软土的结构性特征以及这一特征对软土工程性质的影响。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。