The study shows that (1) porous dissipation of wave energy may be neglected on sand bed;
研究表明，波浪在粉沙质海床上传播的渗透损耗可以忽略不计；
This paper presents an experiment for measuring the acoustic energy loss in the sand bed in water tank.
介绍了测量声波穿透沙层后能量损失的水池实验。
There exists extremely notable linear ration between the thickness of dry sand bed and evaporating capacity.
干沙层厚度与沙丘表层的蒸发量之间存在极显著的线性关系；
Some engineers suggest that this period be extended to allow a sand bed to rest for a month after the sludge cake has been removed.
一些工程师建议这段时间应该被延长，以便沙床能够在泥浆块被移除后休息一个月的时间。
The two-phase flows over the sand bed and in the pipe are simulated, the different distributions of volumetric fraction are found and analyzed.
计算了沙层上及直管中的两相流的流动，发现了颗粒浓度两种截然不同的分布，并对此进行了分析。
It was getting dark. Fish shrimp are busy drilling rock crevices, algae bushes, the sand bed. But the small sea ghost Bodi still swimming in four.
天渐渐黑了。小鱼小虾都忙着钻进石头缝里、海藻丛里、沙子里睡觉了。但是小海鬼波迪却还在四处游着。
The water surface level, velocity field and sediment concentration field of gravel sand bed and sand bed reach on Jianjiang river were refined simulated.
细致地模拟了荆江卵石夹沙河床及沙质河床浅滩河段的水面线、流速场、含沙量浓度场及河床变形。
The thicker the sand bed, the non-uniform sand composition, then the larger armouring effect would be and the larger this critical size is correspondingly.
床沙越粗、组成越不均匀，粗化作用越大，这一临界粒径也越大。
According to this principle, we made a quantitative interpretation on thickness of oil-bearing sand bed in bottom member of Dongying formation in south Bohai sea.
我们根据这一原理实现了对渤海南部东营组下段含油砂层厚度的定量解释。
The quantitative relation among the threshold wind velocity of sand movement, sand diameter and the agglutinate stress of sand bed is obtained with the mentioned dimensionless variables.
经分析得到起沙风速与沙床沙粒粒径和沙床粘结力间的数量关系。
The evaporating capacity of surface soil in mobile dune is mostly rest with thickness of dry sand bed, with the increasing of dry sand bed thickness, the evaporating capacity reduce gradually.
流动沙丘土壤表层蒸发量主要取决于干沙层的厚度，表现为随着干沙层厚度的增加，沙丘表层的蒸发量逐渐降低。
The prospector panned off bits of sand and gravel scooped from the bed of a stream.
探矿者淘选从河床中挖出的少量含金泥砂和沙砾。
And besides, regardless of when you read this tutorial, I posted it after a Memorial Day of fun in the sun on the beaches of Florida. I just put the family to bed and I still have sand on my feet.
除此之外，不考虑阅读教程的人很多是初学者的问题，发布这篇教程的时候，我正在佛罗里达州的阳光海滩上，脚上还沾满了沙子。
You are the wind I am sand, I pour you a cup of tea, you doze off my bed, I see you baby baby.
你是风儿我是沙，你端杯儿我倒茶，你打盹儿我铺床，你生孩儿我看娃。
In order to obtain the expected sand cooling and humidifying effect, requiring sand in the boiling bed to flow in uniform.
为使型砂获得预期的冷却和增湿效果，要求型砂在沸腾床上均匀的流动。
The design methods include how to select bed load and bed material within the suspended load and how to determine the feed of the model sand and the time of the experiment.
模型设计方法主要包括：如何合理选择模型河床质和床沙质，如何确定进口断面加沙量和放水时间等。
Green sand casting casting clay weight from a few kilograms until decades kilograms, machine tool lathe bed and clay dry type of casting production can be weighed dozens of tons.
粘土湿型砂铸造的铸件重量可从几公斤直到几十公斤，机床床身而粘土干型生产的铸件可重达几十吨。
Then, the calculating method of initial scour velocity of bed sand around submerged spur dikes is suggested.
在分析基础上，提出了漫水丁坝坝头床沙起冲流速的计算办法。
The selection of model sand is the key problem in the design of a mobile bed model test.
对于研究泥沙问题的动床模型试验，模型沙的选择是模型设计的关键。
Stream gradient and bed sand constituent are the main factors which is influencing on river pattern formation in the boundary condition.
河道比降、床沙组成是河道边界条件中影响河型形成的最主要因素。
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。
The prospector panned off bits of a 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。
Because it destroyed the river equilibrium, sand excavation would cause river bed erosion in large scale, which is danger our to the structure across the river.
由于采沙破坏了天然河床的平衡状态，可引起长距离河床整体下切，对已有跨河桥梁工程不利。
The probability of the final movement of grain can indicate its movement tendency, and the change of the sand-bed height can reflect the transformation status of grain movement.
根据最终状态概率代表颗粒运动趋势的原理，砂床高度的变化应是床层表面颗粒运动状态转换的结果。
Up till now, local scour depth estimation in the nearshore architectures are assumed that whenever the seabed is flat, which not considered the common bed form: sand waves.
迄今，近岸水域建构筑物的局部冲刷深度的估算均假定局部冲刷前后为平床，没有考虑常见、广布的近岸沙波底形。
Pencroft was not wrong in his anticipations. Three hours later at low tide, the greater part of the sand forming the bed of the channel was uncovered.
果然不出潘克洛夫所料，三个钟头以后，在低潮的时候，海峡有大部分都露出了沙滩。
Due to the increase of water pumpage and the sand excavation at the river bed, the groundwater table became declined and water quality degraded in Dongwu water sources area, Tai'an City.
泰安市东武水源地近年来由于开采逐年增加、河床挖沙等因素的影响，水源地附近地下水环境出现了水位下降、水质退化等环境地质问题。
With the snow-draped Sierra Nevada as a backdrop, unique erosion formations called sand tufa stand like giant cauliflower stalks in a dry Arizona lake bed.
伴随白雪披上内华达山脉作背景，独特的侵蚀构成沙石灰华站在像巨大的花椰菜秸秆在亚利桑那州的干燥的湖床。
Based on the low pressure of the coal bed gas well, the sand removal technology by mechanical sand fishing is put forward.
根据煤层气井的低压特点，提出了通过机械捞砂来清砂的技术。
Based on the low pressure of the coal bed gas well, the sand removal technology by mechanical sand fishing is put forward.
根据煤层气井的低压特点，提出了通过机械捞砂来清砂的技术。
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