| 1. | Chemical reagent . aluminium sulfate octadecahydrate 化学试剂.硫酸铝 |
| 2. | Aluminium sulfate for water works 供水系统用硫酸铝 |
| 3. | Chemicals used for treatment of water intended for human consumption - aluminium sulfate 人类生活用水处理用试剂.硫酸铝 |
| 4. | Chemicals used for treatment of water intended for human consumption - aluminium sulfate 人类生活用水处理用化学试剂.硫酸铝 |
| 5. | Chemicals used for treatment of water intended for human consumption - aluminium sulfate ; german version en 878 : 2004 人类生活用水处理用化学试剂.硫酸铝 |
| 6. | Results show that the efficiency of algae removal by enhanced coagulation with polyalumoferrochloride and polysilicon aluminium sulfate is higher than with others 结果发现聚合氯化铝铁和聚硅硫酸铝对于藻类的去除有较好的效果。 |
| 7. | For poly aluminium chloride , the maximum mean diameter is 0 . 45mm , and the fractal dimension is about 1 . 65 . for aluminium sulfate , the maximum mean diameter is 0 . 30mm , and the fractal dimension is about 1 . 78 在pac条件下形成的絮凝体最大粒径达到0 . 45mm ,分形维数在1 . 65左右;而在硫酸铝条件下絮凝体最大粒径为0 . 3mm ,分形维数在1 . 78左右。 |
| 8. | Mas precursor powders are prepared using aluminium sulfate , colloidal silica , and magnesium nitrate as raw materials via sol - gel methods , dsc - tg and xrd show that the mas precursor powders transform to cordierite completely at 1300 以硫酸铝、硝酸镁和硅溶胶为原料,采用溶胶-凝胶法,制得mas先驱体粉末, xrd表明,该粉末经1300的热处理后,完全转变为堇青石。 |
| 9. | Using aluminium sulfate and colloidal silica as raw materials , another kind of mullite precursor powders is made . the relative density of silica - rich mullite ceramic sintered from these powders at 1550 for 1 hour with a pressure of 15mpa is 97 % 以硫酸铝、硅溶胶为原料,采用溶胶-凝胶法制备了莫来石先驱体粉末,所得富硅莫来石先驱体粉末在1550 、 15mpa下热压烧结1小时后,致密度达97 。 |
| 10. | The result shows that the optimum coagulation ph of isp is about 7 - 8 . for aluminium sulfate ( al2 ( 804 ) 3 ) , the optimum dose is 1 . 875mgal / l , while for poly aluminium chloride ( pac ) , the optimum dose is 1 . 5mgal / l . both coagulants can achieve 90 % turbidity removal 实验结果表明:无机悬浮颗粒体系的最佳混凝ph值在7 8之间,在硫酸铝和pac混凝剂条件下的最佳投药量分别为1 . 875mgal l和1 . 5mgal l ,两者对浊度都能达到90左右的去除。 |