查询词典 flocculation

Inorganic flocculant CF-PAC、Al-pillared rectorite act as sorption mostly ; Meanwhile organic flocculant chitosan acts as the adsorption bridge mainly. Chitosan coagulates fine flocci together into lager、impact floccules and greatly strengthens the polymerization degree and coacervation force. The sedimentation rate and adsorption efficiency rise greatly. So the flocculation efficiency of this composite flocculant is superior to the single one.

无机絮凝剂CF-PAC、铝交联累托石主要起吸附作用，而壳聚糖主要起吸附桥连作用，将细小的絮粒凝结在一起形成更大更致密的絮体，并使聚合度和凝聚力大大增强，从而使其沉降速度和吸附效率大大提高，起到优于单一絮凝剂的絮凝效果。

Settlement characteristics are studied based on formula of suspended sediment settling velocity and previous research results. Results show that the suspended sediment flux quickly decreases from the Hangzhou Bay to the offshore area. Although the suspended sediments are primarily transported towards the offshore area, net transport towards the Hangzhou Bay is also found in the study area. The study area is basically located in hydrodynamic balance belt, and the suspended sediment transport is characteristics of reciprocating movement and small amount of net sediment discharge. The net suspended sediment transport is mainly controlled by average current transport, Stokes drift-induced transport and gravitational circulation transport. The advection transport effect gradually weakens and gravitational circulation transport evidently intensifies from Hangzhou Bay to the offshore area. Settling velocity of single particles is far smaller than that of floccules, so, influence of flocculation of suspended sediments must be taken into the consideration.

结果表明，研究区净悬沙通量自杭州湾内向外海迅速变小，悬沙总体由杭州湾向外海输运，但同时存在向杭州湾方向的净输沙；研究区基本处于水动力平衡带，悬沙输运具有往复搬运、净输沙量小的特点；平均流输运、Stokes漂移输运和垂向净环流输运是引起悬沙泥沙净输运的主要作用机制，自口门至外海，平流输运作用逐渐减弱，垂向净环流输沙在悬沙净输运中所占比例逐渐增加；舟山群岛海域既是杭州湾向东海输运泥沙的重要通道，也是东海沿岸流携带泥沙向南输运的过渡地带；研究区单颗粒泥沙沉降速度很小，远小于絮凝沉降速度，在研究本区悬沙沉降时必须考虑絮凝的影响。

The study area is basically located in hydrodynamic balance belt, and the suspended sediment transport is characteristics of reciprocating movement and small amount of net sediment discharge. The net suspended sediment transport is mainly controlled by average current transport, Stokes drift-induced transport and gravitational circulation transport. The advection transport effect gradually weakens and gravitational circulation transport evidently intensifies from Hangzhou Bay to the offshore area. Settling velocity of single particles is far smaller than that of floccules, so, influence of flocculation of suspended sediments must be taken into the consideration.Incipient velocity and transport flux of surface sediments are analyzed using formulas of incipient velocity and transport flux. Transport trend and controlling factors of surface sediments are studied by the method of grain size trend analysis.

结果表明，研究区净悬沙通量自杭州湾内向外海迅速变小，悬沙总体由杭州湾向外海输运，但同时存在向杭州湾方向的净输沙；研究区基本处于水动力平衡带，悬沙输运具有往复搬运、净输沙量小的特点；平均流输运、Stokes漂移输运和垂向净环流输运是引起悬沙泥沙净输运的主要作用机制，自口门至外海，平流输运作用逐渐减弱，垂向净环流输沙在悬沙净输运中所占比例逐渐增加；舟山群岛海域既是杭州湾向东海输运泥沙的重要通道，也是东海沿岸流携带泥沙向南输运的过渡地带；研究区单颗粒泥沙沉降速度很小，远小于絮凝沉降速度，在研究本区悬沙沉降时必须考虑絮凝的影响。

After flocculation the cells of Klebsiella pneumoniae in the floes grew well(OD 13.5)and were used repeatedly.

絮凝细胞再发酵实验表明：絮凝沉淀中的菌体仍然可以重复利用。

Moreover, the efficiency of Ca(superscript 2+) and the dosing method were studied through microscopic observation on floes formed in various flocculation courses of CBF.

同时研究了钙离子以及投加顺序在絮凝过程中所发挥的作用。

According to the present situation of Hebei province, chitin was extracted from waste crab shells of Qing Huangdao, and then chitosan was prepared. On the base of those, a series of chitin/chitosan derivatives were synthesized and characterized. Finally,~then they were applied in fruit preservative, flocculation and cosmetics. The main results ~re summerized as follows:(1) Chitosans with low, middle and high viscosity have been prepared from chitin, which was extracted from waste material of crab shells produc ed in Qing HuangDao.

并对针对河北省的资源情况，从秦皇岛蟹壳废料中提取甲壳素，制备壳聚糖，在此基础上制备了一系列甲壳素/壳聚糖的衍生物，对其结构与性能进行深入的研究，并开发其在食品保鲜、污水处理、化妆品等方面的应用，具体分述如下：（1）以所提取的甲壳素为原料，在浓碱溶液中通过正交实验法对壳聚糖的制取条件进行优化，确立制备低、中、高三种粘度壳聚糖的最佳条件。

But when PAC flocculation-membrane separation is applied to the treatment of oil-bearing wastewater,remarkable effect has been obtained.

实验结果表明：处理后的含油废水出水水质与絮凝条件、过滤条件等操作参数有关。

PAC flocculation was usually applied to the treatment of oil-bearing wastewater in petroleum production.

油田开发生产过程中产生和排放的含油废水含有多种污染物，严重污染了生态环境。

The results show that the water quality of the treated oil-bearing wastewater is related to the operational parameters of flocculation condition,filtration condition, etc.

实验结果表明：处理后的含油废水出水水质与絮凝条件、过滤条件等操作参数有关。

Secondly, though the flocculation experiments of using Poly disposing of bentonite suspension and urban waste water, the optimum capacity is determined.

其次，用P对膨润土悬浮液及城市生活废水进行絮凝实验，得出了对不同废水的最佳用量。

Don't listen to their haver, nothing of that sort.

别听他们胡说八道，根本就没那回事。

But bank's shares trade below their book value, suggesting that investors are skeptical.

但是，银行股票以低于账面价值的价格交易，这一点反应了投资者的怀疑。