查询词典 properties of soil

In the past, constitutive models of soil used in the soil numerical analysis were considered respectively. In fact, the structural and rheologic properties exist simultaneously. Additionally, the construction disturbances existing in the method of surcharge preloading for soft clay gourmand can cause the decline of shear strength and increase of deformation.

以往用于土工数值计算的本构模型或者不考虑流变性和结构性，或者将土体的流变性和结构性分开进行考虑，而实际上流变性和结构性是并存的。

The coefficient of soil heterotrophic respiration reflected the influence of soil properties on RH.

这表明当气候适宜时，这些地区的土壤异养呼吸将具有较大的增长潜力。

Directed against stress properties of lining structure of loess highway tunnel, the paper selects three loess highway tunnels as relying engineering according to buried depth and soil properties, and takes field observation synthetically for the first time, which pays more attention to researches on the change regulations of pressure acting on first lining and invert, axial force of lattice girder, contact stress between first and second lining, concrete strain of second lining verse the time and distributions in different positions.

针对黄土公路隧道衬砌结构受力特性，根据埋深和土质情况，选取三座黄土公路隧道为依托工程，首次开展了大规模系统的现场测试，着重研究了一衬和仰拱围岩压力、格栅拱钢筋轴力、一衬和二衬接触应力以及二衬混凝土应变时间变化规律及分布特性。

Studies of soil water movement in GSPAC system and modeling water flow necessitate the determination of soil hydraulic properties.

研究GSPAC系统的水分运移机理和建立统一的水系统模型需要确定土壤水分运动参数。

Third, the plateau region of Minjiang riverhead: Classical statistics and geostatistics were used to study spatial heterogeneity of soil physical properties. Soil nutrients showed middle variation but pH value had little variation.

第三，岷江源头高原面区域：分析表明，土壤养分含量为中等变异程度，pH值呈弱变异性，但土壤理化性质的空间异质性高。

The purpose of this study is to reveal the change characteristics of biological properties of sandy soil and its development trend under the establishment of C. microphylla plantations in flowing sand dune. With semi-moving sand dune and natural community as controls, the activities of phosphomonoesterase, saccharase, protease, urease, dehydrogenase and the Contents of microbial biomass C, N, P of the soil in an age sequence (5-, 10-, 22-year) of C.

为探讨采用小叶锦鸡儿固定流沙后，土壤生物活性的变化特点和发展趋势，选取5、10、22年生小叶锦鸡儿人工固沙群落为对象，以半流动沙丘和天然群落为对照，研究了人工固沙群落发育过程中土壤磷酸单酯酶、蔗糖酶、蛋白酶、脲酶、脱氢酶的活性和微生物生物量C、N、P质量分数的变化特征。

Sampling designing based on spatial distribution and variability of soil properties is an important issue in recent studies on soil sampling.

利用土壤空间变异特性和空间分布特征进行采样设计是当前土壤采样研究的重要内容。

In this paper, mechanical properties of the sandy silt and fine sand mixed with cement and fly ashes in different amounts after different ages curing are researched, and the effect of cementing is compared. Through pull-out tests and direct shearing tests of geogrid in various soil, the interface characteristics of between geogrid and soil are measured.

本文通过室内物性试验、直剪试验和单轴压缩试验研究了采用不同掺量的水泥、粉煤灰加固后的砂质粉土和粉细砂养护不同龄期后的物理力学特性，并对加固效果进行了比较。

The composition of soil animal community in Shanghai World Exposition Site was the typical semi-tropical one, which indicated that the whole soil health of this old industrial and residential area were good. But, exceptional vertical distributions were observed in a few sites, where need further analysis about their pollution and physical and chemical properties.

世博会会址区域是典型亚热带土壤动物群落的组成模式，反映出该处城市重工业区和老居民区内土壤的整体状况良好；但少数采样点中，群落结构垂直分布出现异常，需要加强对这些样点相关区域的土壤污染和土壤理化等质量状况的分析。2。

In recent years,the technique of pipe jacking construction has been developed quickly and widely applied in water supply and drainage pipe projects in China,but it is required to study and discuss the mechanism of soil disturbance and changes of soil properties during pipe jacking.

在前人的基础上，研究了顶管施工引起土体扰动的机理，提出了更加准确的土体扰动分区图。

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。