您要查找的是不是：
- Effect of sewage irrigation on wheat growth and its activate oxygen metabolism. 污灌对小麦幼苗生长及活性氧代谢的影响
- The principles and methods of regionalizing of sewage irrigation in China are theoretically studied and a scheme for regionalization is suggested. 本文以地理学的观点、方法,提出了污灌区划的原则和方法。
- Sewage irrigation is not only a low cost and low energy-consuming way in dealing with polluted water, but also an effective way for sustainable utilization of water resource. 利用污水进行污水回灌农田是一种低费用、低能耗的污水处理途径,也是保障水资源可持续利用的有效措施之一。
- Shortage of water,pollution of tributary waters and incretion of sewage irrigation for farmland make the potentiality impact on environment and safety of agricultural products. 适当处理的城镇生活污水是一种稳定的水资源、在很大程度上缓解水资源的紧缺状况,利用污水资源的主要用途之一是灌溉农田。
- Blind sewage irrigation has caused the accumulation of poisonous and harmful substance in some regional soils and water sources,and environment has also been polluted in varying degrees,so that it has threated people health seriously in some region. 盲目的污水灌溉导致一些地区土壤、水源中有毒有害物质积累，环境受到不同程度的污染，在有些地区已经严重威胁了人类的健康。
- The factors of urban pollution are mainly amog (smoke and dust in air), fine sand flying up in air and secondary dust (ground dust), as well as dispersion of solid waste and sewage irrigation. 该市地处西北黄土高原西部,是黄河河谷盆地型城市,其城市污染代表了黄土高原干旱、半干旱条件下污染特征。
- Advances in sewage irrigation research 污水灌溉的研究进展
- The Impact of Sewage Irrigation on Farm Production 污水灌溉对农业生产的影响
- Discussion on Standard System of Sewage Irrigation 污水灌溉标准体系探讨
- Huafei River sewage irrigation region in Kaifeng 开封市化肥河污灌区
- Tongzhou sewage irrigation area of Beijing city 北京市通州污灌区
- Contamination of Soil from Sewage Irrigation and Its Remediation 污水灌溉对土壤的污染及其整治
- Research progress on heavy metal pollution in sewage irrigation 污水灌溉重金属污染研究进展
- A pipe for carrying off water or sewage. 排水管排水或污水的管子
- We used the money to set up an irrigation project. 我们把钱用在兴建灌溉工程上了。
- They are digging irrigation ditches. 他们在挖灌溉渠。
- Influences of sewage irrigation on soil and its preventing countermeasures 污水灌溉对土壤环境的影响及其防治对策
- Keywords Tongliao region;sewage irrigation region;heavy metal;migration; 通辽地区;污灌区;重金属;迁移;
- Keywords Sewage irrigation;soil;trace element;variogram;spatial structure.; 污灌;土壤;微量元素;变差函数;空间结构;
- It requires great efforts to clarify sewage in cities. 净化城市的污水需要很大的努力。
