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- Management and Ecological Risk Assessment of Exotic Plants. 植物外来种的生态风险评估和管理
- Ecological risk of Bt transgenic cotton and its management strategy. 转Bt基因抗虫棉的生态风险及治理对策
- However, the study on the application of springtail in soil ecological risk assessment is very limited. 目前跳虫在土壤生态风险评价中的应用研究尚处于起步阶段。
- Heavy metal pollution in bottom sediment of abandoned Yellow River was assessed by using geo-accumulation index and potential ecological risk index. 潜在生态指数法评价结果表明,故黄河底泥内重金属污染对生态的潜在危害很轻。
- Its prevention is more effectual than treatment, and thus,the study of its ecological risk assessment could help us to prevent and reduce the invasion risk more effectively. 本文基于生态风险评价理论,通过对外来植物入侵特性和过程的分析,探讨了外来植物入侵生态风险的评价方法。
- The potential ecological risk index (RI) and geological acumination index(Igeo), as the quantitative diagnostic tools, were used to evaluate the pollution degree of various heavy metals in the sediments. 利用潜在生态风险指数(RI)和地质积累指数(Igeo)两种指标相结合的方法对表层底泥中重金属污染程度进行评价.
- The concentration of HCHs was 0.04~2.30ng/g and the concentration of DDTs was 0.07~4.56ng/g. The organochlorine pesticides in sediments of Hainan Dongzhai harbor was in the state of low ecological risk. HCHs浓度为0.;04~2
- Based the research about ecological risk theory,the model of EVR has been established with use of VaR which is a very popular risk management model in international market. EVR is a new and useful risk management in regional ecosystem. 结合当前国际上流行的 Va R风险管理模型 ;在生态风险理论有关研究的基础上 ;建立了一类新颖而实用的区域生态系统风险管理模型 - EVR.
- Potential ecological risk (PER) factors (Eri=Tri Cfi) and risk indicesof heavy metals were used for assessing the PER of metals to marineecosystem in the water area of the Daya Bay. 采用金属潜在生态危害系数和危害指数的评估方法，评价了大亚湾海域重金属对海洋生态系统的潜在危害。
- This paper discusses the content of ecological risk and gives a definition to it: ecological risk is the probability of bad happenings caused by the ecological factors and the degrees of the outcomes. 本文探讨了生态风险的内涵，定义了生态系统的风险：生态系统的风险是其生态因子所导致的不良事件发生的概率及其后果的严重程度。
- In the end of this review, problems existing in and prospects of the application of Collembola in the ecological risk assessment of heavy metal contamination of soils are analyzed and discussed. 最后对弹尾目昆虫在重金属污染土壤生态风险评估应用中目前存在的一些问题和应用前景进行了分析讨论。
- Quantitative structure-activity relationship (QSAR) of organic pollutants is of great importance to ecological risk assessments of organic compounds, pollution control and pollution prevention, etc. 有机污染物定量结构-活性相关(QSAR)对于有机化合物的生态风险性评价、污染控制和预防等具有重要意义。
- The ecological risk assessment is a crossing edge subject of the risk theory,ecology,environmental science and geography etc. 生态风险评价是风险论与生态学、环境科学、地学等多种学科相互交叉的边缘学科。
- However, the contents of DDTs in eleven sediment samples were between ERL and ERM, showing the ecological risks for most reservoirs and lakes were between 10% and 50%. 但11个样点的DDTs含量介于ERL和ERM之间;表明其生态风险大多介于10%25~50%25.
- In this paper, the ecological risks of GM plants on bees and recent advances in this area are reviewed and some strategies of biosafety assessment are also proposed. 本文综述了目前转基因植物对蜂类昆虫安全性研究进展，并提出克服转基因植物对非靶标生物可能的负面效应的治理对策，以期对转基因植物生物安全性的研究提供科学依据。
- It is proposed the agricultural chemicals enterprise ecology risk assessment constitutes by four parts: acceptor appraisal, harm appraisal, exposed appraisal and risk attribute. 摘要提出了农药企业生态风险评价由4个部分构成：受体评价、危害评价、暴露评价和风险表征。
- Progresses of ecological risk assessment 生态风险评价研究进展
- I don't want to run the risk of meeting John. 我可不想冒遇见约翰的危险。
- He knew he was running the risk for the people. 他如道，他冒这危险是为了人民。
- Study on ecological risk assessment 生态风险评价研究
