bed material

基本解釋

The equations for the total carrying capacity and the size distribution of carrying capacity and effective bed material have been presented.
進而論述不平衡輸沙時總挾沙能力、挾沙能力級配及有效床沙級配的方程。
The occurrence of the lower limit of bed material size is attributed to the grain size composition of incoming sediment and the fining mechanism.
研究認為河床質(zhì)調(diào)整極限是由來沙組成及河床質(zhì)細化機制決定的。
The combustion and heat transfer in CFB boiler are related with the bed material, while the bed material is formed during the coal combustion, fragment and attrition processes.
循環(huán)流化床鍋爐爐內(nèi)的燃燒及傳熱與爐內(nèi)床料的狀態(tài)密切相關，而爐內(nèi)床料主要是由燃煤含有的礦物組分經(jīng)過燃燒、爆裂和磨耗過程形成的。

Opportunity has been trundling around Mars ever since, though it was designed for only a ninety-day mission. (Spirit got stuck in a sand trap in 2009 and quit transmitting nearly a year later.) It never found the lake bed, or organic material of any kind.
NEWYORKER: The Martian Chroniclers