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1)  bed-material
床砂
2)  sand bed
砂床
1.
The construction of the sand bed used as mould,its preparing and drying were described.
叙述砂床的构造、制作及烘干方法、浇注温度的控制等。
3)  Alluvial Tin deposit
砂锡矿床
1.
After the investigation and study on Alluvial Tin deposit in Changning Dayishan Mine,Conclude that its geologic setting mainly iles in its structure and land form a proper scale of Alluvial Tin deposit were found in the limestone solution cave around Dayishan granite body.
提出了在大义山花岗岩体外围灰岩溶洞发现了一定规模的砂锡矿床,并初步分析了形成原因。
4)  Sand-bed experiment
砂床试验
5)  placer gold deposit
砂金矿床
1.
Discovery of the Mayum placer gold deposit,Burang County,Tibet,and its significance;
西藏普兰县马攸木砂金矿床的发现及其意义
2.
The oreprospecting model of synthetic information of placer gold deposits in Altay Region,Xinjiang;
阿勒泰地区砂金矿床综合信息找矿模型
3.
Analysis on geological conditions of the mineralization of placer gold deposit in Chaihe River Valley;
柴河砂金矿床成矿地质条件分析
6)  equilibrium sand-bed
平衡砂床
1.
A new probability model for predication of equilibrium sand-bed height for liquid-solid two-phase flow in horizontal pipe;
水平固液两相管流平衡砂床高度计算的概率模型
补充资料:移动床砂滤器
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CAS号:

性质:一种用于净化混凝处理后的原水或污水的砂滤器。砂子在滤器中自上而下与待过滤水连续顺流而下。沉在器底的砂子与污泥的混合物经排砂口排入洗砂池洗净后,再从顶部重新进入过滤器循环使用,故又称为循环砂滤器。另有砂子与水对流运动的砂滤器;也有的砂滤器分上下两层,砂子流向相反,称为双流向砂滤器(biflow sand filter)。

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