查询词典 soil mass

Through investigation on the Eh values of cinnamon soil,sierozem,brown desert soil in situ with new electrochemical methods and summarization of the same results of laterite,red soil and yellow brown soil,a horizontal zonal variation of oxidation-reduction characteristics in semi-humid,semiarid and arid areas from south China to north China is revealed.

用新的电化学方法原位考察了褐土、灰钙土、棕漠土、黑土、风沙土、灌淤土、盐土、碱土、亚高山草甸土、灰褐土、水稻土和旱地土壤的氧化还原状况。综合已有原位测定结果，地带性土壤的电位由南向北的空间分异与其水平地带谱相应；亚高山草甸土和灰褐土的氧化还原状况随山体高度和植物群落而呈垂直分异趋势。

Under the condition of the slide between pile and soil around pile is taked into account,five equations are established, including the equation of compatibility between the settlement of pile cap soil and the settlement of pile cap; the equation of compatibility between the settlement of pile head soil and the settlement of pile head; the physical equation between the settlement of soil around pile shaft and the settlement of pile shaft;the equation of equilibrium between loads on the pile cap, side frictional stress and restraints of pile head; the equation of compatibility between the deformation of the pile body and the subtraction between the settlement of pile cap and the settlement of pile heap.

桩身单元和土单元存在着相互作用，在允许桩土相对滑移的前提下，建立桩顶土体沉降与桩顶沉降的协调方程、桩底土体沉降与桩端沉降的协调方程、桩土相对位移与桩侧摩阻力的物理方程、桩身力的平衡方程、桩身压缩和桩顶沉降与桩端沉降之差的协调方程。

Using linear elastic finite element model for piles and pile cap, elastic-plastic finite element model for piles-surrounding soil under pile cap, linear elastic infinite element model for soil around pile group, and mounting interface element on the pile-soil interfaces, 3-D elastic-plastic finite element method is used to analyzing the pile-soil-cap interaction.

对桩及承台采用线弹性有限元模型，对承台下桩周土采用弹塑性有限元模型，对群桩以外的土体采用线弹性无限元模型，在桩土接触面上设置接触面单元，利用三维弹塑性有限元对桩%D土%D承台相互作用进行了分析。

Through comprehensive analysis of many researchresults about movements of soil water and salts and data about effective root zone from literature,it was determined that the appearance of silt clay loam layer or silt clay layer with more than60cm cumulative thickness or more than 20cm continuous thickness in the 0~100cm soil horizonwas one of the most important indicator for soil series classification.It was also determined thatthe solum structure patterns of 0~150cm were another important indicator for soil seriesclassification.

通过对大量有关土壤水分、盐分运移规律的研究成果和有关土壤根系活动空间的研究资料的分析整理，确定了0~100cm土体中出现累积厚度＞60cm或连续厚度＞20cm的粉砂粘壤土层或粉砂粘土层作为土系划分的重要指标之一；并有根据地确定土表至150cm的土体构型作为土系划分的重要指标。

It analyzed impact principle, and researched viscidity and springiness model of soil. So the relation of impact and soil was found, and the dynamic model of impact bar-soil system was established. After analyzing and researching the model, a better dynamic model with soil impact character was gained.

针对土壤的物理特性，对冲击原理进行分析，并对土壤的粘弹性模型进行研究，建立冲击与土壤之间的联系，为土壤压实冲击测量装置建立了冲击杆—土壤系统的动力学模型，并对模型进行分析研究，简化出更适合土壤冲击特性的动力学模型。

5The failure strains of cement-soil are calculated, and initial tangent modulusand average deformation modulus of cement-soil with same cement mixing content arecalculated. Then fit them with strength. The relation between ultimate deformationmodulus and strength, cement-soil of same curing period, is fitted too. The conclusionis that deformation modulus of cement-soil with some stock-still time are close to thesewhich compacted without stock-still time.

5计算分析了水泥土的破坏应变；计算了相同水泥掺入比水泥土的初始切线模量和平均变形模量，将它们与抗压强度的关系进行拟合，将同龄期水泥土的极限变形模量与抗压强度进行拟合，结果表明，一定静置时间的水泥土的变形模量与t=0h的水泥土的变形模量相差不大。

The results indicated that corn stalk and stubble rationing application of N fertilizer would increase the content of soil microbial biomass carbon. Soil pH buffer capacity was strengthened. Soil aggregate structure was improved. Corn stalk and stubble remained in field would be helpful to maintenance and liberation of soil available nutrients...

结果表明：玉米秸秆和根茬留田可增加土壤微生物量碳的含量，较对照和单施化肥土壤微生物量碳分别增加38.4％～84.9％和27.2％～51.6％；增强土壤pH值的缓冲性能；改善土壤团聚体结构；有利于土壤中氮、磷、钾、铜、锌、铁、锰等养分的释放与调控，为作物生长创造适宜的土壤生化环境。

To provide scientific suggestions on soil nutrient management and balanced fertilization in Harbin city,Geostatistics method and Geographic Information Systems were introduced to study soil spatial heterogeneity in Deshan village in Fangzheng county.51 soil samples at the depth 0～20 cm were collected from a 50 hm2 stubble field,and the soil properties that organic matter,total N,total P,total K were analyzed.

利用地统计学和GIS相结合的方法分析了哈尔滨市方正县德善村土壤养分有机质、全氮、全磷、全钾空间变异状况。采集土壤表层0~20 cm土样51个，面积约50 hm2。

It is found that,through sliding zone soil mineral component and water-soil interaction analysis,the principle reason of landslide is that coal measure strata turves soil contains certain proportional hydrophilic mineral ,and its mechanical index will fall greatly after water-soil interaction.

以京珠高速粤境北段k18+170~k18+225滑坡为例，研究了煤系地层滑坡机理，通过对滑动带土的矿物组成及其物理力学性质分析，发现该类边坡滑坡的主要原因是煤系地层中的泥炭土含有一定比例的亲水矿物，在水的作用下力学性质发生大幅度降低。

It was obvious that soil salt accumulated in deep soil of farmland and soil salt accumulated in surface horizon of uncropped soil.

在绿洲内部，农田土壤因灌溉淋洗向深层积盐，荒地因土壤蒸发强烈向土壤表层积盐。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。