查询词典 gravel bed

In chapter 4, by analyzing the interchange of seepage water between overburden layer of weak permeability and sandy gravel bed, a short computer program for adopting weighting soil layer on the landside of dike is put forward, the optimal design schemes about combination weighting soil layer with inverted drainage works are studied.

第四章 通过分析堤基弱透水覆盖层与下卧砂砾层之间的渗流关系，创建了堤防背水侧盖重压渗的快捷计算模型并研制了相应的计算软件，提出了盖重压渗与反滤导渗相结合的优化设计方案。

In his "Gravel" studio, which actually is only a small room in the country side, there aren't many things --- a bed, a pair of nunchakus, and some sketches.

胡在"碎石"的工作室(所谓工作室，其实是乡下一家小房间)，没有多少东西，只有一张床、一把双截棍、几张草稿。

The prospector panned out bits of sand and gravel scooped from the bed of a stream.

探矿者淘选从河床里挖出的少量含金泥沙和砂砾。

An auriferous gravel deposit in an old river bed; esp.

旧河床的砂金层。

The sedimentary process of debris flow which has fundamental dynamic mechanism of flowing and creeping formed mainly various flowing structures, such as half-ring flowline structure, divided-flowing structure, bag-shaped flowline structure, divided-flowing structure, bag-shaped flowine structure, loaded structure, multiple-layered structure, washed gravel bed and lenssoiled-bed structure.

以流动和蠕动为基本动力机制的泥石流堆积过程多形成各种定向的流动构造，例如，半环状流线构造，分流构造，袋状流线构造、载荷构造、多层状构造、冲刷砾石层和透镜状土层构造。

The height of water flowing fracture d zone is 55 m by traditional esti- mation method,so that the water can not reach sand-gravel water-bearing bed.

覆岩主关键层位置距离开采煤层较近，是导致顶板导水裂隙高度偏高和顶板异常突水的根本原因。

The water surface level, velocity field and sediment concentration field of gravel-sand bed and sand bed reach on Jianjiang river were refined simulated.

给出了TSMBFOC模型在卵石夹沙及沙质分汊河段航道整治中的应用情况，在水面线、流速分布及河床冲淤详细验证及分析浅滩演变规律基础上，进行多方案比较与筛选的数值试验。

In the present project the geophone will be used to detect the underground sound generated by the collision of a free-falling stone upon gravel bed in the laboratory as well as in the field.

中文摘要本研究计画将以地声探测器於实验室内量测土石碰撞及摩擦时所产生地声。

The Shinwulu creek in Haitu Township which have kinds of different fluvial forms such as deep pools,torrents and stable flows,and bed materials such as boulders,cobble,gravel and sands.

台东县海端乡之新武吕溪，具有深潭、急濑和稳流等各种不同的河床型态，以及巨石、卵石、砾石与泥沙等底质材料，也因此新武吕溪蕴含丰富鱼类资源，但因垂钓者众多，水中生态渐渐受到破坏，为了保护珍贵的鱼类资源，海端乡公所于1999年3月公告禁止垂钓，进而开始执行溪流保育工作。

Urban wastewater was treated by the reed gravel bed constructed in fishpond , but the effluent could be reached the criteria of water quality for hygienic fish culture when pumped bottom water treated with reed gravel bed.

通过直接建造在鱼塘内的芦苇碎石床处理城市污水后，再抽鱼塘底层水回流到芦苇碎石床上进行再处理的试验研究表明，这种处理可使鱼塘水质达到卫生养鱼的水质标准。

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。