您要查找的是不是:
- Nonpoint pollution control for rural areas of China with ecological engineering technologies. 用生态工程技术控制农村非点源水污染。
- Rainfall runoff is the main factor affecting the formation of nonpoint pollution. 降雨径流是形成非点源污染的主要影响因素。
- Farmland precipitation runoff nonpoint pollution is one of the most important problems in nonpoint pollution problem. 农田降雨径流污染是非点源污染研究中的一个重要问题 ,估算其发生负荷的难度很大。
- In recent years, the agricultural nonpoint pollution has threatened the water quality protection of headwater area in reservoir. 摘要近年来,农业面源污染对水库水源地的水质保护形成了威胁。
- In this paper,these pollution produced by soil and water loss is defined as nonpoint pollution of soil and water loss type(NPSWLT). 本文定义这种污染方式这种为水土流失型非源污染。
- The eutrophication caused by nonpoint pollution is the typical water environment pollution in China's deteriorating lakes. 中国湖区水体环境污染问题日趋严重,典型的污染形式是面源污染造成的水体富营养化。
- The agricultural nonpoint pollution are extensively distributed without certain locations, and their treatments always are different task. 由于化肥和农药的大量使用,农业面源污染已成为我国农村生态环境恶化的重要原因之一。
- Soil and water loss has carried a lot of sediments and nutrition substances into various water area and becomes a typical nonpoint pollution to water environment. 水土流失的发生,将大量的泥沙和营养物质带入各种水体是一种典型的非点源污染。
- Pretank technology is one of the effective ways to prevent the nonpoint pollution in headwater area of reservoirs because it has such advantages as low expenses, suitable for many kinds of conditions. 前置库技术因其费用较低,可以多方受益、适合多种条件等优点,是目前防治水库水源地保护区内面源污染的有效途径之一。
- The features, harms and status quo of agricultural nonpoint pollution are discussed and concrete countermeasures and suggestion to prevent and control agricultural nonpoint pollution are put forward. 本文对农业面源污染的特点、危害和现状进行了论述,并提出防治农业面源污染的具体防治对策和建议。
- According to the variation of the components in the ground water of Streamflow within a year, the nonpoint pollutant load in a basin can be computed. 用水文学方法找出典型年河水中地下径流成分,然后分割出壤中流和地面径流。再根据实测的水质和流量资料计算出流域非点源污染负荷。
- Nonpoint pollution from agrlculture 农业
- We should use anthracite to avoid air pollution. 我们应该使用无烟煤以防止空气污染。
- Pollution control has cleared the air. 污染管制已净化了空气。
- Man is fighting a battle against pollution. 人类正在与污染作斗争。
- Pollution is still very much a live issue. 污染现象仍然是当前的大问题。
- The soil becomes more and more acidic as pollution mounts up. 随着污染的加剧,土壤的酸化越来越严重。
- A clamor in the press for pollution control. 在报纸上对污染控制的呼吁
- Water pollution imperils all kinds of marine life. 水质污染危及所有海洋生物。
- Pollution has stripped the trees of their foliage. 污染剥光了这些树的叶子。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries