黄土

The results show dynamic constitutive relationship of loess for 4 kinds of frequency submits to hyperbolic equation.

结果表明，对应于4种频率的原状黄土的动本构关系均服从双曲线模型，但试验常数a、b均随振动频率的增大而略有减小。

The foundation pillar cross-sectional area is big, the height is high, the relative offset is big between top and bottom to the interior angle, and it is in wet sinking loess regions for 750 kV power circuit demonstrative project from Guanting to the east of Lanzhou.

750kV 官亭至兰州东输送电线路示范工程基础立柱断面大、高度大、顶面相对于底面向内角偏移量大，并且地处湿陷性黄土地区，施工控制难度较大，通过QC活动对基础施工进行改进。

In this paper,we briefly review the types and transformation of magnetic minerals in loess deposits,lacustrine and marine sediments and their paleoenvironmental and paleoclimatic significance.

鉴于环境磁学方法在古环境和古气候研究中的重要作用，本文对当前黄土、湖泊沉积物和海洋沉积物环境磁学研究的一些进展作简要评述。

The Yellow Land carries the dreams of we Chinese.

磅礴的黄土啊，你用干瘪的脊梁，肩负着华夏儿女的夙愿。

The dangers of earthquake landslip are mainly caused by new and shallow layer loess landslide.

该地区地震滑坡的主要危险来自新滑坡和浅层黄土滑坡，滑坡成灾机制复杂，与许多因素有关。

The observation results reveal the difference between surrounding rock pressures of shallow tunnel calculated by exiting methods and test results is large, pressure figure seems cat ear, surrounding rock pressure of deep tunnel belongs to clastic pressure, the test result is consistent with result by modified KAKE formula, the invert stress properties of shallow tunnel and deep tunnel are different, the axial force of lattice girder is at pressure in majority, and the stress of second lining is relatively small in loess highway tunnel.

实测结果表明：现有浅埋隧道围岩压力公式计算结果与实测结果偏差较大，其分布呈"猫耳朵"形状；深埋隧道围岩压力属形变压力，其实测值与修正卡柯公式计算结果较为一致；深埋与浅埋隧道中仰拱的受力性态有所不同；格栅拱钢筋轴力以受压为主；黄土公路隧道二次衬砌受力相对较小。

Yearly and seasonal changes of soil water and aboveground biomass of artificial Lespedeza davurica grasslands at different habitats in loess hilly-gully region were comparatively studied.

对黄土丘陵区川地和坡地达乌里胡枝子人工草地生产力与土壤水分状况的季节变化动态进行比较研究。

The results reveal that the species richness of all the ligneous plants decreases with the increase of altitude.

对晋西黄土丘陵边缘土石山区不同海拔高度木本植物物种丰富度以及各群落间β多样性特征进行了分析。

With application of plastic limit analysis method using finite element method, stability of high loess slope is analyzed and solved by using linear programming method in this paper. Safety factor and stress fields and velocity fields of slope can be obtained.

本论文采用有限元塑性极限分析法对黄土高边坡进行稳定分析，并运用线性规划的方法对稳定问题进行求解，可以得到边坡的稳定安全系数和边坡的应力场及速度场。

Water resources have become the limiting factor of grain production in the loess plateau.

在黄土高原，水资源已成为对粮食生产的主要制约因素。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。