絮

But with increase of flocculation time, large flocs of protein-flocculant can be formed by bridging according to the results of micrographic pictures.

显微照相的结果说明在絮凝后期，蛋白质分子与高分子絮凝剂的聚集体可以通过&架桥&的方式生成大的网络絮凝团块而沉降。

Mechanism of flocculation and structure characterization of PSAZ and PSMZ were studied. By XRD instrument analysis, PSAZ and PSMZ which is composed with Zn~(2+)、Al~(3+)or Mg~(2+) and polysilicic acid is amorphous polymer.

对两种絮凝剂絮凝机理和结构进行了研究。X射线衍射图谱分析表明，这两种絮凝剂并非简单的共混物，而是Al~(3+)、Zn~(2+)或者Mg~(2+、Zn~(2+)与聚硅酸形成的无定形聚合物。

In the fermenter,the continuous cultivation was conducted with continuous feeding after the production process of bioflocculant was stabilized with preculture for 9 h at inoculum dosage of 5%. The bioflocculant yield was 2.392 g/L and the maximal flocculation rate reached 98.1% when the feed flow rate was 4 mL/min.

在发酵罐扩大连续培养中以5%的接种量接种后经过9 h预培养达到稳定生产絮凝剂后，以4 mL/min的补料流量进行连续培养，生产的絮凝剂产量达到2.392 g/L，且最大絮凝率为98.1%。

Among them,a strain saccharomycete Dfjm-1 with high flocc ulating activity was obtained.The microbial flocculant of Dfjm-1 produce is na med Dtjm-1.In this paper,time course of flocculants production including growt h,flocculating activity,and pH were studied.

本文研究了&Dfjm-1&在不同培养时间的生长情况、培养液中pH值变化情况及絮凝活性变化情况，得出絮凝活性与菌生长量呈正相关关系，絮凝剂&Dtjm-1&在菌生长稳定后期达到稳定活性的最高值。

To reduce the poisonous compounds in the breeding ponds,five species of bacteria including denitrobacteria ,photosynthetic bacteria,thiobacteria and bioflocculation bacteria were screened from the breeding water.

针对养殖水体中因氨态氮、硫化氢和小分子有机酸富营养化引起的污染问题，分离筛选出硝化细菌、反硝化细菌、光合细菌、硫化细菌和生物絮凝菌等具有不同生理功能的污染物治理菌株，经优化配伍制备出性能优良的复合功能菌，结果表明：硝化细菌对氨态氮的去除率达97.8%，亚硝态氮的去除率达95.7%，反硝化细菌对硝态氮的去除率为96.4%，光合细菌和硫化细菌对硫化氢的去除率为55%，微生物絮凝菌的絮凝效率为83%；复合功能菌对CODCr、NH4+-N，总氮、硫化物的去除率分别可达94.3%，89.6%，88.7%和71.3%。

Bioflocculants, having good flocculating activity, are the metabolic products of the microorganism, which are safe, non-toxic and can be biodegraded easily.

微生物絮凝剂是一类由微生物产生并分泌到细胞外具有絮凝活性的生物活性物质，具有良好的絮凝沉淀性能，安全、无毒，易于生物降解。

At present, the flocculating mechanisms of microbial flocculants have not been studied in detail, which restrict the development and use of microbial flocculants.

目前，关于微生物絮凝剂的絮凝机理的研究还不够详细、系统，不利于微生物絮凝剂的应用和发展。

Second, the flocculating process and conditions in highly concentrated protein wastewater treatment are studied.

其次，论文研究了用实验制得的壳聚糖絮凝剂处理高蛋白含量食品废水的絮凝效果和絮凝条件。

Polyaluminum silicate chloride coagulant was prepared in laboratory from kaolin and Na_(2)CO_(3) under the process of high-temperature roasting,washing and acid dipping.

以高岭土为原料，采用碱熔融水洗酸浸工艺制备聚硅酸铝絮凝剂，初步研究了该絮凝剂制备的工艺条件及pH对产品絮凝沉降性能的影响。

Through the analysis and comparison with major products in the market, the determined battings' structure (the mass fraction of thermal bonding fibers is 14%, hollow fibers 40%, and common fibers 10%, and fine-denier fibers 36%) can be considered reaching the aim reducing the mass of battings, while keep the characteristics of warmth retention and compression elasticity.

通过与市售主要产品的分析与比较，认为最终确定絮片结构(粘结纤维的含量为14％，中空涤纶的含量为40％，普通涤纶的含量为10％，细旦涤纶的含量为36％)在保证了絮片保暖量和压缩回弹性的前提下，达到了絮片减重的目的。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。