water body pollution meaning in Chinese
水体污染
Examples
- Aiming at the biological monitoring question of the rivers water body pollution , the theoritical description is presented , and the comparison on biological monitoring and the physic - chemical monitoring is made , the authors elaborated target biology in the biological monitoring the commonly used types and in the environmental protection application , the request and the problem of biological indicator monitoring and its solvable method
摘要针对河流水体污染的生物监测问题做了理论描述，并比较了生物监测和理化监测的利弊，阐述了生物监测中的指标生物、常用种类和在环保中的应用、要求和用生物指标监测污染水体存在的问题和解决办法。 - The results are mainly as follows : sticky quality , tuber structure , the loose and tense degree , unit weight , ph value ( decreases in the few conditons that resulting acidity strengthening ) , alkalinity increases in the same soil level , root quantity and macro - element content decreases ; there has a extraordinary difference between k , ca and mg , especially for pb and cd which shows that the collecting function of soil enhances under the disturbence conditon , and other micro - elements , such as zn > mn , cu , ni get decreasing . tourism activity is one of the key reasons for water body pollution . to different recreation types , the pollution degree has the obvious difference
各景观区所取样点中，土壤理化性旅游破坏区所受影响最大，呈现出质地粘重、结构变差(以块状为主) 、同一层次土壤松紧度增大、根系变少、容重增大、土壤ph值增大(也有个别ph减少，以致酸性增强) 、碱性增强、大量元素降低，其中对k 、 ca 、 mg影响中有显著性的差异(又以游道类影响最为显著) 、重金属元素( pb和cd )明显增多、显著性的差异最为明显，其它微量元素( zn 、 mn 、 cu 、 ni )逐渐减少，表明旅游活动干扰后土壤对pb和cd富集作用增强等特点。