推移质又称床沙载荷、底载荷、推移载荷、牵引载荷，是指在水流中沿河底滚动、移动、跳跃或以层移方式运动的泥沙颗粒，在运动过程中与床面泥沙（简称床沙）之间经常进行交换。
推移质搬运 bed-load transport ; load transport ; bed-load tra ort
推移质输送 bed-load transport
推移质输送量 bed-load discharge
推移质采样器 bed load sampler ; Sampler bed load
孔式推移质采样器 slot type bed load sampler
单宽推移质输沙率 bed load discharge per unit
杜波阿推移质方程式 DuBoy's bed load equation
盘式推移质采样器 Sampler tray type bed load
Moreover, the bed load of mountainous area river that threaten water power station need be treated seriously.
此外，山区河流推移质泥沙对水电站的威胁较大，也需认真对待妥善解决。
参考来源 - 南桠河姚河坝引水式水电站引水防沙优化设计The stochastic characteristics of temporal pebble bed-load transport rate is described by a lognormal probability distribution. The Kolmogoroff test shows that 95% level of confidence can be obtained by this probability distribution function.
用对数正态分布描述卵石推移质输沙率的随机特性 ,证明在 95 %的置信水平下是成立的。
参考来源 - 山区河流卵石推移质的输移特性·2,447,543篇论文数据，部分数据来源于NoteExpress
推移质中有机碳和全氮均有富集现象。
Organic carbon and total nitrogen in bed load had enrichment phenomenon.
这对于了解推移质运动机理及进行推移质输沙率研究有着重要的意义。
It is very important for study of mechanics of bed-load transport and of bed-load transport rate.
本文采用激光流速仪对挟带推移质水流的紊流结构进行了较系统的试验研究。
Experimental data of moving sand grains are introduced and the turbulent structure of flow is investigated by laser current meter.
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