絮凝

A series inorganic high molecular flocculants zinc polysilicate is prepared by using polysilicic acid and zinc sulfate as raw materials.

以聚硅酸、硫酸锌为原料制备了系列无机高分子絮凝剂聚硅酸锌。

In order to match the requirements of water treatment engineering, considerable attention was paid to develop composite inorganic polymer flocculants during recent years, which are represented by polyaluminum silicate chloride, polysilicate ferrite and polysilicate ferric aluminum.

受水处理工程需要的牵引，以聚硅氯化铝、聚硅酸铁及聚硅酸铁铝为代表的三大类新型复合无机高分子絮凝剂的开发研制及应用研究近年来受到格外的关注，取得了不少新成果。

A preparation method of polysilicate polyferric chloride flocculant by leaching ferric tailings with hydrochloric acid pickling wastewater ,was studied,and the reasonable preparation craft and technological conditions were determined.

研究了以盐酸酸洗废液分解铁尾矿制备聚硅酸聚氯化铁复合絮凝剂的方法，确定了合理的制备工艺和工艺条件。

And it is expected to replace the expensive organic polymer coagulants which were often suspected of being dangerous to human.The preparation technique of HSPSAS was introduced in this paper. The parameters of the process were discussed by the method of orthogonal design, such as molar ratio of Al/Si, the pH of polysilicate, the aging time of polysilicate, the pH of PSAS, the aging time of PSAS, intake of PSAS, and so on, and then an optical technology was obtained.

本文介绍了聚硅酸硫酸铝絮凝剂的制备工艺，并利用正交设计的方法，对其中Al/Si摩尔比、硅酸熟化pH值、聚硅酸熟化时间、药品熟化pH、药品熟化时间、投药量等制备参数进行了分析和讨论，得到优化的制备条件，确定了更为合理的制备工艺。

The system is composed of polysilicic ions and polyaluminous ion s with the participation of polyaluminous ion s, the Si-O specific line which is inherent in the examination of infrared spectrum is gradually reducing and becoming a broad belt, the non-ion bond reactions between polysilicic ion and polyaluminous ion is proved by observasion with electron microscopy.

稳定胶体态的硫硅聚铝和氯硅聚铝是性能优良的絮凝剂，体系中含有聚硅离子和聚铝离子。红外光谱测试固有的Si—O特征峰随聚铝离子的引入逐渐衰减，变成较宽的带，聚硅离子与聚铝离子间存在着一种非离子性的健合作用，电镜摄像观察证实了这一结论

The novel inorganic ion-flocculant poly-nucleate aluminum hydroxy silicate-sulphate was prepared from aluminum sulfate and polysilicic acid under non-high shear condition.

在非高剪切力条件下，将硫酸铝引入到聚合硅酸中合成了新型聚硅酸硫酸铝絮凝剂。

The decolorization mechanism,which comprises the formation of unstable compunds with hydrolytic aluminium ions and ferric ions and conglomerating with polysilicic acid in the flocculant,was proposed.8figs.,1tab.,12refs.

PSAAF的脱色机理是水合铝、铁离子的凝聚作用和聚硅酸的絮凝而产生的共沉淀。图8，表1，参12。

Ca 2+ at 1 64 mmol/L markedly increased ethanol tolerance of a self_flocculating fusant of Schizosaccharomyces pombe and Saccharomyces cerevisiae. After 9 h of exposure to 20% ethanol at 30℃, no viability remained for the control whereas 50 0% remained for the cells both grown and incubated with ethanol in Ca 2+_added medium.

生长阶段和冲击阶段均添加 1 6 4mmol LCa2 +能显著提高自絮凝颗粒酵母于 30℃在 2 0 %酒精冲击下的存活率，经过 9h冲击，对照组的存活率为 0 ，而添加Ca2 +试验组的存活率为 5 0 0 %，表明添加适当浓度的Ca2 +能显著提高菌体的耐酒精能力。

High volatility enabling rapid reacidification with all the risks that it entails : flocculation, coagulation, attack or corrosion of packages, etc.

2-高挥发性可能导致的快速反应带来絮凝、凝结、对包装袋的侵蚀，等等

To study the optium compent proportion of media and the best ferm entation conditions for the flocculatnt producing strain Rhodococcus erythropolis.

摘 要：研究了产絮凝剂菌株红平红球菌的最佳培养基组成和最佳发酵条件。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失