查询词典 sediment-covered

The oil shale ash is disintegrated into fine powder less than 150 eye to be calcined at a certain temperature, then sulfuric acid solution is added for performing acid dipping, after solid-liquid separation and solid residue removal, aluminum sulfate solution is obtained and is then filtered after sodium hydroxide solution is added in, further metallic ions as Ca2 , Mg2 , Fe3 , Fe2 and the like are filtered from the solution, thereby sodium aluminate solution is obtained, gas of carbon dioxide is communicated into the sodium aluminate solution to obtain aluminum hydroxide sediment, and after drying and calcining aluminum hydroxide powder is obtained.

将油页岩灰渣粉碎至＜150目的细粉，在一定温度下煅烧，加入硫酸溶液进行酸浸，固液分离，去除固体残渣，得硫酸铝滤液，加氢氧化钠溶液后过滤，滤除溶液中的Ca 2 、Mg 2 、Fe 3 、Fe 2 等金属离子，得偏铝酸钠溶液，向偏铝酸钠溶液通入二氧化碳气体，得到氢氧化铝沉淀，经烘干、煅烧得到氢氧化铝粉末。

In this article, authors introduce several construction technologies adopted in vacuum precompression strengthening construction of Nansha Harbor including treating surface of dredger with earthwork textiles, handling high sediment percentage sand cushion with level drainage boards, and sealing techniques combining long and short agitation walls.

介绍在南沙港区真空预压加固施工中，采用土工织物对吹填淤泥进行表面处理、水平排水板处理含泥量高的砂垫层及长短搅拌墙相结合的密封技

255SP centrifugal dredge pump is developed for the long-distance sediment pipeline transportation for the dredging project of Yellow River.

255SP泥泵是为黄河疏浚工程中实现远距离输沙的任务而研制。

The second lower basin would collect the liquid and sediment and the dredge pump would pump the soil soup back to the top to be used on agricultural products once again.

下面的盆子收集液体和沉淀物，泥泵将泥浆抽回上面的盆子，再次利用到农产品中。

Sediment, dust cover in its slender leaves that looks very awkward position.

泥沙、尘土覆盖在它那修长的叶片上，看起来十分狼狈。

Based on the analysis of sediment grain size,suspended matter concentration in the water and other indicators,and on the examination of tidal variation data in the Yangtze Estuary,we found that the seasonal erosion and deposition cycle is closely linked to the morphology,suspended matter concentration in the water,hydrodynamics,tidal variation,wind direction,etc.

通过对沉积物粒度、水体含沙量等指标的测试，并借助潮差等资料，探究了影响潮滩季节性沉积的因素，发现潮滩季节性沉积与潮滩基础地貌、水体含沙量、水动力、潮流等有密切关系；但在不同部位不同季节，各因素对潮滩冲淤影响程度各不相同。

Through batch adsorption experiment, the effect of two kinds of dye compounds on the adsorption of atrazine on natural sediment was studied.

通过批量吸附实验研究了两种染料对阿特拉津在天然水体沉积物上吸附的影响。

Field measurement of surface wind velocity and sediment transport rates was made on barchan dune in Wulanbuhe desert to understand. The results show that the wind velocities increasing upon windward slopes of the dunes vary with both slope morphology and wind velocity at the foot of the dunes.

对乌兰布和沙漠新月形沙丘表面风速的野外观测结果表明，沙丘迎风坡气流加速量主要和沙丘坡面形态、迎风坡前来流风速有关，迎风坡风速放大率介于1.02~1.59之间。

And the content of biogenic particles was decreased in BNL, but was higher than that in the surface sediment.

这一结果补充了国际上通用的Ba_和Ba_/Al示踪指标的内容。

The sediment discharge from 1980 to 2004 of the catchments of Shimeng reservoir is 13.7 Mt/yr.

在河流输砂量的统计方面，石门水库上游从1980年至2004年之平均年输砂量为13.7百万吨。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。