| 1. | Expansion of fresh water distribution system in fanling west 粉岭西食水分配系统扩展工程 |
| 2. | Optimal design of water distribution system by genetic algorith 遗传算法在水分配系统优化设计中的应用研究 |
| 3. | Estimation of octanol - water partition coefficient of oxygenous compounds by froup contribution 水分配系数定量关系的研究 |
| 4. | A new method for determining the c18 emporetmdisk water partition coefficients oforganic pollutants 水分配系数测定方法的探讨 |
| 5. | Specification for chlorinated poly vinyl chloride plastic hot - and cold - water distribution systems 氯化聚氯乙烯cpvc塑料冷热水分配系统标准规范 |
| 6. | Discussion on reform of water allocation system from the water right trade between dongyang city and yiwu city 义乌水权交易看我国水分配体制改革 |
| 7. | Use of a novel structural information index mh to predict n - octanol water partition coefficients kow of chlorobenzenes 水分配系数的价连接性指数模型 |
| 8. | Agricultural irrigation equipment - centre - pivot and moving lateral irrigation machines with sprayer or sprinkler nozzles - determination of uniformity of water distribution 农业灌溉设备.有喷嘴或喷雾咀的横向移动排灌机械和中心轴.水分配均匀性的测定 |
| 9. | Agricultural irrigation equipment - centre - pivot and moving lateral irrigation machines with sprayer or sprinkler nozzles - determination of uniformity of water distribution 农业浇灌设备.带喷头或喷嘴的中心轴旋转和横向移动浇灌机械.水分配均匀性的测定 |
| 10. | The chronic toxicity of four kinds of phonetic compounds to daphnia mugua straus was determined . the relationship of the structure and effect of the compounds were discussed by the chronic results . the results show that all the compounds we measured have effects on the reproduction of the daphnia magua straus 烷基酚化合物对四种水生生物的毒性机制主要与脂水分配系数相关,为通透生物膜产生毒性的非反应性毒性,而氯代酚对四种水生生物的毒性机制一方面和logp有关的,另一方面是和电子效应相关的反应性毒性。 |