查询词典 sedimentation

The flocculation of fine diaspore, kaolinite, illite and pyrophyllite were systematically investigated by the sedimentation test using anionic ployacrylate (AP7), cationic ployacrylate (CP3), carboxymethyl cellulose and a new organism HSPA as flocculants.

采用沉降试验法系统地考查了阴离子聚丙烯酰胺(AP7)，阳离子聚丙烯酰胺(CP3)，羧甲基纤维素和有机絮凝剂HSPA对细粒一水硬铝石、高岭石、伊利石和叶腊石4种单矿物以及人工混合矿的絮凝性能。

We use separated pre-treatment, coagulating sedimentation, air flotation and sand filtration to treat coating wastewater and obtains good results: the removal rate of CODCr could be higher than 80%.

摘 要：本文针对汽车涂装废水中含有树脂、表面活性剂、重金属离子，Oil、颜料等污染物，特别是其中的电泳废水、喷漆废水成份复杂，浓度高，可生化性差的实际情况，采用分质处理、混凝沉淀、混凝气浮、砂滤等工艺对涂装废水进行处理，取得了良好效果：CODCr去除率大于80%。

In this article, in allusion to the contamination of coating wastewater of automobile manufacturing which contains resin, surface active agent, heavy metal ion, oil, paint, dyestuff etc, especially the ELPO wastewater and painting wastewater which is complex, and has high concentration. we use separated pre-treatment, coagulating sedimentation, air flotation and sand filtration to treat coating wastewater and obtains good results: the removal rate of CODCr could be higher than 80%.

摘 要：本文针对汽车涂装废水中含有树脂、表面活性剂、重金属离子，Oil、颜料等污染物，特别是其中的电泳废水、喷漆废水成份复杂，浓度高，可生化性差的实际情况，采用分质处理、混凝沉淀、混凝气浮、砂滤等工艺对涂装废水进行处理，取得了良好效果：CODCr去除率大于80%。

This paper presented the sedimentation model of clastic rock reservoir of lake basin four fans, and outlined the principle characte...

水道相是开发的主力油层，非水道相是剩余油分布的主要层位。

Historical records and previous studies have indicated that the outer part of the Northern Jiangsu plain was formed from marine sedimentation during a Holocene high sea level period at 5000 a BP, as defined by a series of abandoned shell beach ridges.

本论文研究的是介于古贝壳堤西侧与湖泊群东侧之间的平原成因。2004年夏在苏北平原低洼处，距现代海岸120km的宝应县望直港进行了钻孔取样(BY1，33o14'21N， 119o22'41''E)，钻孔进深144.98 m，实取沉积柱为96.81 m。

The journal has provided authoritative summaries of significant novel developments in this constantly evolving field for analytical chemists, environmental engineers, biochemists, biotechnologists and biologists since 1971, including critical evaluations of innovative methods, apparatus, chromatography, crystallization, extraction, distillation, ultrafiltration, magnetic separation, sedimentation and electrodialysis etc.

该杂志自1971年开始就为分析化学家，环境工程师，生物化学家，生物技术学家和生物学家提供了在这不断进化领域重要新进展的权威性摘要，包括对于创新方法的鉴定评价，器械设备，色谱，结晶，萃取法，蒸馏法，超滤作用，磁选，沉降以及电渗析等等。

It founds natural heightening theory for warping dams and puts forward specific way of diversion, measures for preventing dam eroded and design for energy dissipation and flood storage of cofferdams and sedimentation and dewatering through exploration and study on deposition in front of natural formed dam and the techniques of building dam through hydraulic filling....

通过对天然聚湫坝体前的淤积和&水力冲填&筑坝技术的探索和研究，创立了淤地坝坝体自然加高的理论，并提出了具体的导流方式、坝体防冲措施及围堰消能蓄洪、留淤脱水设计。建议尽快立项开展坝体自然加高现场试验和模拟试验。

The experiment mainly studied the choice of bauxite, the process of acid digestion and the sedimentation of acid digestion liquor and the way to Eliminated the iron from liquid aluminium Sulfate. The paper introduced the complexion of different bauxite in acid digestion. The influence of the concentration of acid, the proportion of acid to bauxite, the temperature. the pressure and the time of the rate of acid digestion were studied. The condition of the flocculation was also studied.

文中主要对铝土矿的选择、铝土矿的酸解过程、铝土矿酸解液的沉降、液体硫酸铝的除铁等主要生产工艺进行了详细的实验和讨论，论述了不同产地、品位的铝土矿对于酸溶法的适应情况；详细研究了酸的浓度、酸矿比、酸解温度、压力、时间对于铝土矿酸解率的影响，讨论了絮凝剂在铝土矿酸解体系中的使用效果；确定了经济有效的硫酸铝的除铁方法。

NH4 +-N in the wetlands to remove the hydrazine mainly by microorganisms, nitrification and demystification. Plants absorb and volatile, matrix adsorption, filtration, sedimentation and ammonia volatilization.

中文摘要： NH4+-N中N的去除主要是通过微生物的氨化、硝化与反硝化作用，植物的吸收和挥发作用，基质的吸附、过滤、沉淀和氨的挥发等。

Three pre-treatment experiments of coagulate sedimentation,Fenton oxydation method and inner scrap iron electrolyse to the wastewater of falling slurry contained with PVA were carried out respectively.

分别采用混凝沉淀法、Fenton氧化法、铁屑内电解法对含PVA的退浆废水进行了预处理试验，试验结果表明，铁屑内电解法对退浆废水的PVA具有明显的降解作用和廉价的费用，并有助于后继的生物处理。

Warden: That's a beautiful dog, but don't bring her again.

那是条漂亮的狗，但是不要再把她带来了。

You get up in the morning – no hangover!

你第二天早上起来的时候—不会宿醉！