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- river bottom mud 河流底泥
- This equipment is mainly used for measuring bulk density of fluid mud on river bottom and deriving the profile of bulk density with depth,and so it can be judged whether water way dredging needs to be done. 该仪器主要在航道部门用于测定江河水底淤泥重度随深度的变化规律 ,从而判断是否需要对航道进行挖泥疏浚 ,以保证航道畅通。
- YOSHITO T, MASANORI K.Dwelling pressure type deep sea bottom mud sample sampling equipment: Japan, 5142113 [P]. 19930608. 毛晶;迟森;黄丽敏;等.;高压水旋转射流解堵工艺技术在吉林油田的应用[J]
- Follow the mud time of river bottom 法泥遍江底
- This paper analyzed the cause of eutrophication from water quality,bottom mud,hydrobios,then provided its countermeasure and gave some suggestion as well. 本文主要从水质状况、底泥、水生生物三方面入手,分析了蘑菇湖水库富营养化的成因,阐述水体富营养防治对策的同时,提出了蘑菇湖水库治理的建议。
- to dredge the sand,silt and mud from the river bottom 从河底挖掘砂石、泥沙和淤泥
- In addition to polychlorinated biphenyls (PCBs)、the river bottom is polluted with low-level radioactive material、heavy metals and other chemicals. 除了多氯联苯之外，阿什塔比拉河底的污染物还包括了低放射性物质、重金属和其他化学制品。
- Pollution Assessment of Bottom Mud from Xiaoqing River in Shandong 山东小清河干流底泥污染评价
- Its tongue sports a bright-red worm-shaped piece of flesh that when displayed by a motionless turtle on a river bottom draws curious fish or frogs close enough to be snatched. 它的舌头变异成亮红色，象肥美的爬虫。当一动不动的大鳄龟在河底展示它的舌头时，总能将好奇的鱼儿和青蛙吸引到可以捕猎的距离。
- The river bottom shelves here. 河底从这里呈缓坡倾斜。
- The channel of the river filled up with mud. 河道塞满了泥。
- "Each creature in its own manner clung tightly to the twigs ans rocks of the river bottom, for clinging was their way of life, and resisting the current what each had learned from birth. "每一个生物都以他自己的方式紧紧地附在河底的小细枝或者石头上;紧紧地粘附是他们生存的方式;从他们一出生就学到了要抵制住流水.
- The Congo's freshwater elephant fish, such as the one seen above, use their long snouts to sift through river bottom sediments for food--another example of the Congo as a hotbed of evolution. 如上图所看到的刚果河中的淡水象鼻鱼，通过它们的长鼻子过滤河底的沉积物来发现食物。这是刚果河物种多样性进化温床的另一例证。
- There were some four hundred thousand of these Shantung farmers cultivating eight hundred thousand acres of land in what had once been river bottom - and most of them lived in Communist areas. 约有四十万山东农民在这里耕种着八十万英亩曾经是黄河河底的土地。他们中间的大多数人住在共产党的地区里。
- Threshhold movement of bottom mud due to progressive wave action 推进波作用下的底泥起动
- The rolling foothill country of north Georgia was ploughed in a million curves to keep the rich earth from washing down into the river bottoms. 北乔治亚的山麓区域，地势迤逦而下，所以被开作无数的曲线，以免那肥沃的泥土被冲进河底里去。
- Threshhold movement of bottom mud due to standing wave action 立波作用下的底泥起动
- Of plains and hills and river bottoms in areas of low rainfall east of the Rocky Mountains. 产于洛矶山脉东部少雨地区的平原、山地和河床。
- Determination of Arscnc in Bottom mud by Microcoulomelry 微库仑法测定底泥中的砷含量
- They lower their long necks deep into the water, where their strong beaks dig through the river bottoms for food. 它们将长长的脖子深深地扎入水中,用坚硬的喙在河底寻觅食物。
