您要查找的是不是:
- soil pollution by Pb 土壤Pb污染
- Pot experiments were conducted to study the effects of two modifiers(organic manure and functionalized monolayer material) on cole growth and its accumulation of heavy metals in soil polluted by Cd,Pb and Cu. 通过盆栽试验,研究了2种改性剂(有机肥和无机功能材料)对重金属Cd、Pb和Cu污染土壤油菜生长及其吸收重金属的影响。
- Washing acid and adding sodium hexametahposphate in soil granulometric analysis tests for the dispersion of soil polluted by acid were suggested. 在粒度成分试验中表明不同分散剂分散酸污染土的效果是不同的,建议采用洗酸后加六偏磷酸钠分散土样。
- Soil pollution by heavy metal has become a global problem, which urg ently needs solving .The traditional methods can't solve the problem from the ro ot. 土壤重金属污染是全球面临的一个急待解决的环境问题,传统的污染土壤的修复方法不能从根本上解决问题。
- The simulating experiment constructed a series of "wetland buckets" containing soil polluted by petroleum and some wetland plants from the Yellow River Delta. 模拟实验中建立了一系列不同状态的“湿地桶”,桶中装有从黄河三角洲采集的被石油污染的土壤和当地的湿地植物。
- The soils polluted by petroleum exist in oil and gas fields universally. 土壤石油类污染在油田区域内是一个普遍存在的问题。
- A review is made of studies,at home and abroad,on role of mycorrhiza in bioremediating soils polluted by non-organic,organic and radioactive contaminants. 本文主要从无机、有机以及放射性污染3方面对国内外关于菌根在污染土壤生物修复中的作用进行了综述。
- The simulating experiment constructed a series of “wetland buckets" containing soil polluted by petroleum and some wetland plants from the Yellow River Delta. 模拟实验中建立了一系列不同状态的“湿地桶”,桶中装有从黄河三角洲采集的被石油污染的土壤和当地的湿地植物。
- Studies were carried out on the bioremediation of soil polluted by chlorophenols in bench-scale bioslurry reactors, adding the acclimated activated sludge for bioaugmentation. 摘要以接种驯化的活性污泥为生物强化手段,在小型生物泥浆反应器中,研究了受氯酚污染土壤的修复情况。
- Preventing pollution by automobile emission ? 防治机动车排气污染物污染。
- Preventing pollution by automobile emission? 防治机动车排气污染物污染。
- The effect of different ameliorants disposed the soils polluted by heavy metals on debasing the heavy metal hangover of Sanqi was studied. 摘要通过使用不同改良剂处理重金属污染土壤,了解其对降低三七中重金属残留量形成的影响。
- Objective To investigate the pollution of aquatic products by Pb,Cd,As,Hg and evaluate the pollutioncondition of Nansihu. 目的调查南四湖水产品中铅、镉、砷、汞的污染,分析南四湖的污染状况。
- The river has been polluted by waste products from the factory. 这条河已经受到工厂排放的废料的污染。
- Soil polluted by exogenous compound heavy metals 外源复合重金属污染土壤
- In redeveloping application programs by PB, some uneasily-realized functions in powerbuilder can be realized by using DLL made from visual C++ . 在用PowerBuilder开发应用程序时;可以调用Visual C++语言编制的动态链接库DLL来实现在Powerbuilder中不容易实现的功能.
- Less pollution by decease of film and water waste. 5. 4.;降低废片及废水造成的环境污染。
- The area will be free of pollution by the year 2006. 到2006年,这个地区将没有污染。
- Immediate steps should be taken to prevent pollution by excreta. 要立即采取措施防止排泄物污染。
- STUDIES ON THE EFFECT OF SOIL POLLUTION BY WASTE MATERIAL OF LEAD AND ZINC ORE MINING ON PROTOZOA 铅锌矿采矿废物污染对土壤原生动物的影响