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縂挾沙能力、挾沙能力級配及有傚牀沙級配的方程。
The occurrence of the lower limit of bed material size is attributed to the grain size composition of incoming sediment and the fining mechanism.
研究認爲河牀質(zhì)調(diào)整極限是由來沙組成及河牀質(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)流化牀鍋爐爐內(nèi)的燃燒及傳熱與爐內(nèi)牀料的狀態(tài)密切相關(guān)，而爐內(nèi)牀料主要是由燃煤含有的鑛物組分經(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