1) fouling bottom
污底
1.
Ship fouling bottom increase ship resistance more.
船舶污底引起阻力增加,降低了船舶的推进效率,增加了耗油量。
2) fouling
[英][faul] [美][faʊl]
污底;污水
3) sediment pollution
底泥污染
1.
The main contents related to the scheme were introduced as follows: the characteristics and status of sediment pollution,the determinati.
详细阐述了该方案涉及的主要内容:底泥污染特性及污染状况分析,疏浚平面范围、疏浚深度及疏浚工程规模的确定,疏浚底泥处置及余水处理等。
2.
Water and sediment pollution at river mouths of Haihe River basin;
采用了《地表水环境质量标准》和水体综合污染指数法等对水域单个污染物污染、水体综合污染、水体富营养化现状及变化进行分析,采用《海洋沉积物质量》等对底泥污染进行分析,并与2001年实测数据进行比较。
4) polluted sediment
污染底泥
1.
Progresses in remediation technologies for persistent toxic substances polluted sediments;
持久性有毒物污染底泥修复技术进展
2.
By taking polluted sediment dredging and disposal project of Caohai of Lake Dianchi as an example,assessment factors and focus are identified and analyzed.
以滇池草海污染底泥疏挖及处置工程为例,分析了湖库底泥疏挖项目环境影响评价因素识别与评价重点。
5) river sediments
河底污泥
1.
Seeded with normal anaerobic granular sludge,mixed sludge(normal anaerobic granular sludge and aerobic activate sludge),river sediments respectively, feeding with synthetic wastewater containing ammonia and nitrite, three similar lab-scale UASB systems were started up.
采用 3套相似的小试UASB系统 ,分别接种普通厌氧颗粒污泥、普通厌氧颗粒污泥与好氧活性污泥的混合污泥以及河底污泥 ,以自配含NH+ 4 N和NO-2 N的废水为进水 ,分别经过 2 2 5d、2 2 0d和 2 5 0d的启动运行 ,均成功实现了厌氧氨氧化过程 ,氨氮去除率都达到 80 %以上 ,但在各反应器中由厌氧氨氧化过程所去除的氨氮与亚硝酸氮的比例有较大区
2.
s: Using river sediments as seed sludge, at the condition of pH 5.
利用河底污泥,以葡萄糖为基质,在pH值为5。
3.
Effects of some major factors of anaerobic fermentative biohydrogen production with organic substrates was evaluated using preheated river sediments as seed sludge The results showed that: at 35 ℃ and initial pH of 65, these sediments could use different sugars including xylose,glucose,fructose ,sucrose,cellobiose,starch as substrates to produce hydrogen.
本文采用经预热处理后的河底污泥,对其利用有机物厌氧生物产氢过程中的几种主要影响因素进行了试验研究。
6) blow down from bottom
柜底排污
补充资料：污底
藤壶、牡蛎等藻类和贝类海洋生物附生于船体浸水表面的现象。使船体表面粗糙，增加航行阻力，影响船上海水冷却系统、测深仪、计程仪、声呐等的正常使用。防止办法是在浸水表面涂防污漆或采用海水电解防污，并常进坞清洗。
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