查询词典 loess

The Relationship of Collapsibility and Humidity in Loess.

林在贯。黄土湿陷性及其湿度的关系。

Physical composition and microstructure of loess have an important significance to research further engineering geological characteristics,collapsibility and its mechanism.

黄土的物质组成和结构特征对深入研究黄土的工程地质特性和湿陷机理具有重要的意义。

And then, comprehensively analysis the collapsibility of the loess-like soil in Harbin area.

然后对哈尔滨地区类黄土的湿陷特性和压缩特性进行综合分析。

The results indicate that the collapsibility of unsaturated loess is controlled by its microstructure and intergranular suction.

分析了非饱和黄土的物质成分及微观结构，基于非饱和土的吸力理论和黄土微结构特征，对非饱和黄土的湿陷变形机理及影响因素进行了研究。

It is essential to study collapsibility and influential factors of loess, evaluate correctly collapsible gr

为了提高公路建设质量，减轻或消除因黄土湿陷而造成的公路病害，以便指导关中地区公路的设计和施工，很有必要对黄土湿陷的特性和影响因素进行研究，准确评价黄土的湿陷等级，找出合适的防治对策。

According to the images interpreted collapsibility process. It was also found that big pores in loess did not contribute to its collapsibility.

在三轴仪上进行黄土的湿陷试验并实施同步CT扫描分析，能达到直观的、对土样无损伤的检验，较其他方法为优。

This paper analyzes the collapsibility of loess roadbed in Taijiu Expressway,and probes into the variation regularities of vertical and horizontal coefficient of collapsibility.

对太旧高速公路黄土路基的湿陷性进行了分析，探讨了湿陷系数的纵向和横向变化规律。

Key words : loess collapsibility ; vertical joint ; crack extension ; physical simulation test

关键 词：黄土湿陷性；垂直节理；裂隙扩展；物理模拟试验

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。

Airport management is well aware that water-proof measures to prevent and reduce ground water immersion in order to eliminate the loess collapsibility of external conditions.

机场管理层深知，防水措施是防止和减少水浸入地基，从而消除产生黄土湿陷性的外在条件。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。