黄土

Referring to thecharacteristics of highway construction,the zoning maps of loess collapsibility is drawn by analyzing and summarizing research results of different fields.

黄土湿陷特性的分区是在总结和分析不同行业的湿陷性分区成果基础上，结合公路工程建设特点进行了黄土地区公路湿陷性分区。

At the basis of analysis of influencing factors of settlement and collapsibility of loessal foundation, it was subjected that the deformation should be thought of as a system that many factors worked and influenced together, specially a grey system.

本文通过讨论影响黄土压缩变形的因素、影响黄土湿陷性变形的因素，认为把地基变形看作是一个多因素作用的复杂系统来研究更为合理，并且可以把变形系统看成是一个灰色系统，把沉降变形系统看成是多因素的、关联的、整体的、复杂的灰色系统，从而用灰色关联分析法对变形系统进行因素分析。

It is concluded that the method of lime-soil compaction pile to treat collapsible loess can improve the engineering properties of soils, eliminate collapsibility and enhance the bearing capacity of foundation, which can be changed with the space between piles.

试验结果表明，利用灰土挤密桩对湿陷性黄土地基进行处理，能有效地改善桩间土的物理力学特性，并随布桩间距的不同而得到不同的挤密效果，消除黄土的湿陷性，较大幅度地提高地基承载力。

To saturated and soft loess foundation , the poprote ratio and deformation is big, the compressibility is high, the strength is low, the time before it steady is long.

本文针对西安地区的工程地质问题，重点论述了湿陷性黄土地基和饱和软黄土地基的特性及地基处理方法。

In this paper, model experiment research was carried, of which was based upon the forced settlement and rectification measure of some buildings on self-weight collapse loess area. At the same time, some conclusions are drawn: 1 the relationship between the soil stress deliquesce and quantity of slope, quantity of settlement of buildings and stress variety of soil body; 2 the relationship between the superimposed stress and quantity of slope, quantity of settlement of buildings and stress variety of soil body; 3 the relationship between quantity of slope, quantity of settlement of buildings and water injection quantity in hole; 4 the relationship between quantity of slope, quantity of settlement of buildings and diameter and interval of hole; 5 the relationship between stress variety of soil body and water injection quantity in hole and interval of hole.

本论文针对地处自重湿陷性黄土地区的建筑物和构筑物的迫降纠倾进行了模型试验研究，给出了自重湿陷性黄土地区建筑物迫降纠倾时1地基应力解除、附加应力与建筑物倾斜量、沉降量及土体应力变化的关系；2附加应力与建筑物倾斜量、沉降量及土体应力变化的关系；3建筑物倾斜量、沉降量与孔内注水量的关系；4建筑物倾斜量、沉降量与孔径和孔间距的关系；5土体应力变化与孔内注水量、孔直径的关系。

The morphology of these grains reveals that the iron sulfides originated from the eluvium loam above hypothetical ore deposits in the vicinity of the section or glaciofluvial sediments from nearby glacial margins.

磁性矿物颗粒的形貌特征进一步揭示Znojmo地区黄土/古土壤所含黄铁矿或磁黄铁矿主要由附近源区搬运而来，冰缘沉积物和周围台地的风化剥蚀物是黄土物质的主要来源。

The loess-paleosols in the Chinese loess plateau and Europe are the main eolian sediment sequences ...

中国黄土和中欧黄土是北半球中纬度地带重要的风成沉积序列。

The loess-paleosols in the Chinese loess plateau and Europe are the main eolian sediment sequences in mid-latitude area of north hemisphere.

中国黄土和中欧黄土是北半球中纬度地带重要的风成沉积序列。

Phase 1 started with field pea followed by spring wheat whereas phase 2 started with spring wheat followed by field pea.The objectives of this thesis are:1 to quantitatively analyze effects of soil chemical,physical and biological properties on soil quality and productivity under different tillage systems and the driving factors for the changes of soil quality under tillage in a long-term,2 to select the best soil quality assessment indicators,and 3 to establish soil quality assessment models that are suitable for the erodible environment of semi-arid region on the Loess Plateau.

通过分析3个轮作周期不同耕作方式下土壤理化性质、生物性质和生产力对土壤质量的影响，阐明长期耕作过程中土壤质量的演变特征及其驱动因子，筛选出适宜于黄土高原半干旱区侵蚀环境下土壤质量评价的代表性指标；并综合前人的研究，结合区域特点，建立适宜于黄土高原半干旱区侵蚀环境的土壤质量评价模型。

This paper provides a process: according to the experimental data from the groundsill load experiment, we can identify the parameter of the loess nonlinear model by using the genetic algorithm before construct the building. By the parameter we can forecast the groundsill distortion.

本论文所作的工作提供了这样一种思路，依据建筑物建造之前，从地基土载荷试验中获取的试验数据，通过由遗传算法所建立的黄土非线性本构模型参数反演的方法，可以进行黄土非线性本构模型参数的优化识别。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。