查询词典 Dam

Regard the rolled concrete dam as an anisotropic elasticity body,the elasticity variation of dam foundation and its influence on dam are considered simultaneously with different vertical and horizontal elasticities.

摘 要：将碾压混凝土坝视为具有各向异性弹性特性的均质体，通过在垂直于层面的竖向和平行于层面的横向采用不同弹模来考虑层面对坝体应力影响；同时考虑了坝基弹性的变化对坝体应力影响。

By three-dimensional nonlinear finite element method, the breaking mode and stability of 3B dam block of Baise RCC gravity dam is studied, and the breaking mode and stability safety factor of the 3B dam block on a datum plane with steep slope are figured out corresponding to overload method and synthetic method respectively.

采用三维非线性有限元法，对百色RCC重力坝 3B坝段进行破坏模式及稳定性的研究，确定出含陡坡建基面 3B坝段在超载法和综合法下的破坏模式及稳定安全系数。

This procedure has been confirmed feasible and accurate by examples, then analyses and calculates the homogeneous and unhomogeneous earth rock-fill dam, isotropic and anisotropic earth rock-fill dam, Yanji earth rock-fill dam with clunch core. The results by ANSYS is compared with the results by other seepage soft, which is quite similar and prove ANSYS practicability for calculating seepage field.

通过算例验证了该程序的可行性和正确性，接着对均质和非均质，各向同性和各向异性的土石坝以及烟集粘土心墙土石坝进行分析计算，并和其它渗流软件相互比较，结果较为相近，证明了ANSYS计算渗流场的实用性。

Electricity generated by major dams like the Jensen Dam, TVA Project, Grand Coulee Dam and Hoover Dam still produce some of the lowest-priced $ clean electricity in America.

发电主要水坝如詹森坝的TVA项目，大古力坝和胡佛水坝仍然生产了，价格最低的，清洁电力在美国。

Electricity generated by major dams like the Jensen Dam, TVA Project, Grand Coulee Dam and Hoover Dam still produce some of the lowest-priced ($0.08/kWh), clean electricity in America.

发电主要水坝如詹森坝的TVA项目，大古力坝和胡佛水坝仍然生产了，价格最低的（$ 0.08/kWh ），清洁电力在美国。

Sometimes, dredging of the dam and all that gets a little hard and it makes more sense not to use the dam or to decommission or remove the dam from the river.

不使用大坝或者停用，或者拆除大坝也许更明智。

Changes of thermal stress of dam heel, upstream face, dam center, dam toe. downstream face for the longitudinal joint of different space are analyzed.

分析了坝体不同间距的纵缝对坝踵、上游面、坝体中心部位、坝趾、下游面的温度应力的影响情况。

The history of building dam is near 5000 years and the gravity dam most primeval dam.

人类筑坝的历史有近5000年，重力坝是出现最早的一种坝型。

The special questions about gravity dam in dynamic analysis are studied; how to select the model in finite element analysis; the coupling libration of water and dam; the effect between groundsill and dam.

有限元计算时，计算模型的选取；库水与坝体的耦合振动；坝基体系的相互作用。

Cement sand and gravel dam is a new type of dam between concrete-faced rock-fill dam and roller compacted concrete dam.

胶凝砂砾石坝是介于混凝土面板堆石坝和碾压混凝土重力坝之间的一种新坝型。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。