查询词典 properties of soil

The study investigated the effects of soil properties on mineral elements content and pharmacological activity in Eupatorium lindleyanum DC were studied.

目的］为了研究土壤性状对野马追矿质元素含量与药理活性的影响。

In this thesis, the present situation of heavy metals pollution and the physical and chemical properties of soils and the enrichment situation of heavy metals (Cd、 Hg、 Pb and Cr) in the vegetable body in the Harbin city greenbelt was investigated and evaluated. The results were showed as follows:The four heavy metals all polluted greenbelt soil by different degree in Harbin. The pollution of hydrargyrum is the most serious and reaches to the heavy pollution. The next pollution is plumbum, cadmium and chrome.

本文针对哈尔滨市区城市绿地重金属污染状况、土壤的理化性质，以及重金属(Cd、Hg、Pb和Cr)在植物叶片的富集情况进行了分析，并且对哈尔滨市区重金属污染状况进行了综合评价，结果表明：(1)哈尔滨市绿地土壤表层这四种重金属都有不同程度的污染，其中以汞的污染最为严重，达到了重污染；其次是铅和镉，铬的污染较小。

Hypoplastic constitutive theory, which was originated from the middle and late stage of the 20th century, is a new type of soil constitutive theory based on rational mechanics. Hypoplastic theory can reflect inelasticity, nonlinearity, dilatancy and other main mechanical properties of granular material.

亚塑性本构理论是20世纪中晚期发展起来的一类基于有理力学的新型的连续介质本构建模理论，主要用于刻画无黏性散粒型上体的非弹性、非线性及剪胀性等主要应力应变特性。

The microstructural characteristics of soil are the determinants of its macro-mechanical properties.

土的微结构特征是决定其宏观力学性质的本质因素。

The engineering geological properties of Neogene hard clays and related engineering problems are frontiers in the fields of Engineering Geology, Soil Mechanics and Rock Mechanics.

上第三系硬粘土的工程地质特性及其相关的工程问题是当前工程地质学、土力学和岩石力学研究的前沿领域。

On the basis of comparison of engineering properties of domestic and foreign Neogene muddy deposits, in the view of whole globe and associated with the geological characteristics of China, the paper demonstrates that the intermediate type of the material between the soil and the rock, named "hard clay/soft rock", which can not be separated abruptly, really exists in China.

本文在国内外上第三系泥质沉积物工程特性对比的基础上，从全球观念出发，结合中国的地质特点，提出在中国确实存在着难以一刀切的过渡类型——"硬土/软岩"，并根据其地质成因和分布规律进行了初步分类，这对于促进工程地质学、土力学和岩石力学的融合具有重要意义。

By using kinetic method,surface charge properties of neutral purplish soil and latosol were studied in this paper.

现在，对于测定任何土壤表面电位、表面电荷密度的方法，使方便地获得土壤表面电化学参数成为可能[3]。

MEASUREMENT OF SOIL PHYSICAL PROPERTIES WITH THERMO-TIME DOMAIN REFLECTOMETRY Ⅰ.

利用热脉冲-时域反射技术测定土壤水热动态和物理参数Ⅰ。

In this paper the technique of Thermo Time Domain Reflectometry is introduced to make measurements of a wide range of soil physical properties.We outline the theories of TDR technique for water content and electrical conductivity measurement, and heat pulse technique for determination of volumetric heat capacity, thermal conductivity, and thermal diffusivi...

本文以热脉冲技术和时域反射技术的理论为基础，介绍了利用热脉冲技术时域反射技术连续定位测定土壤含水量、电导率、温度和热特性的原理，并利用土壤热特性与容重和含水量的关系，导出了土壤容重、饱和度和通气孔度的计算公式。

Low temperature plasma equipment treated wool fabrics was used to study the properties of hydrophilicity, antistatic, easy soil release, pilling-proofing, shrinking-proofing, water and oil repellence.

用小型实验室和大型生产化低温等离子体设备对羊毛织物进行处理，并对羊毛织物的亲水性、抗静电性、易去污性、抗起毛起球性、防缩性、拒水拒油性进行了性能测试。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。