1) pebble bed
卵石河床
1.
Experimental study on pebble bed scouring by deflector dissipation of suspension current;
含沙水流挑流消能对卵石河床冲刷的试验研究
2.
Four hydrological stations of sandy and pebble bed section have been chosen to make depth , width and discharge comparing measurement experiments.
近几年来,新疆伊犁水文水资源勘测局先后引进6台EKL型水文缆道设备,并分别应用于不同特性的河流,选择沙质河床和卵石河床组成断面的四个水文站进行测深、测宽及流量比测试验,通过对EKL设备的测深、测宽功能及流量实测资料进行统计分析计算,分析了该设备在沙质河床和卵石河床河流上的应用。
2) gravel and sand bed
卵石夹沙河床
1.
According to the characteristics of the middle reaches of the Yangtze River,a wide-size distribution with a gravel and sand bed near the Gezhouba Project,a 2D mathematical model for nonuniform suspended load and bed load was used for numerical simulation,which takes into account the nonequilibrium transport of bed sediment and the gradation changes during the deposition and erosion process.
针对长江中游葛洲坝水利枢纽下游近坝段卵石夹沙河床级配分布宽等特点,应用非均匀悬沙、底沙二维数学模型,考虑底沙的不平衡输移及冲淤过程中床沙的级配调整问题,对计算中的关键环节如卵石夹沙河床水流的有效挟沙能力、非均匀沙起动概率及非均匀沙推移质输沙率的计算提出了处理方法,利用水文、泥沙及河床变形资料对该方法进行了葛洲坝水利枢纽运行后、1998年洪水前后及三峡工程运行后水面线、流速分布及冲淤过程的验证。
3) the high gradient gravel bed
大比降卵石河床
1.
The experimental study on the velocity distribution over the high gradient gravel bed;
大比降卵石河床水流运动试验研究
4) gravel-bed rivers
卵石河流
1.
The vertical distributions of mean velocity and suspended sediment concentration in gravel-bed rivers;
卵石河流的时均流速和悬沙浓度垂线分布
5) river gravel
河卵石
1.
Discussion on the pore-creating construction method of river gravel formation foundation
河卵石地层桩基础成孔施工方法探讨
2.
The paper introduced the determination of several construction parameters for dynamic compaction blinding river gravel and the quality check after construction.
介绍了强夯充填河卵石几个主要施工参数的确定及施工完毕后的质量检验情况。
6) pebble bed
卵石床
1.
Experimental study on temperature increasing in solar greenhouse with underground pebble bed thermal storage
带地下卵石床蓄热装置的日光温室增温实验研究
2.
The construction of pebble bed downdraft gasifier is proposed.
介绍了卵石床固体燃料高温空气气化炉的结构,并从气化过程的影响因素出发阐述了产品燃气热值较高、燃料利用范围较广、燃气品质较好、碳转化率较高、结构紧凑、经济性好等特点。
补充资料：鹅卵石
卵石的一种，直径40－150毫米左右，是一种天然的建筑材料。参看〖卵石〗。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条