您要查找的是不是：
- 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。
- 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.
- potential ecological risk index (RI) 潜在生态指数法
- Hakanson ecological risk index number technique Hakanson生态风险指数法
- Application of Potential Ecological Risk Index in Soil Pollution of Typical Polluting Industries 潜在生态危害指数法在典型污染行业土壤污染评价中的应用
- Application of the Index of Geo-accumulation Index and Ecological Risk Index to Assess Heavy Metal Pollution in Soils 地积累指数法及生态危害指数评价法在土壤重金属污染中的应用及探讨
- ENVIRONMENTAL ASSESSMENT ON HEAVY METAL POLLUTION IN THE SEDIMENTS OF LE AN RIVER WITH POTENTIAL ECOLOGICAL RISK INDEX 乐安江沉积物中金属污染的潜在生态风险评价
- ecological risk index 生态危害指数法
- potential ecological risk index 潜在生态危害指数
- 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。
- Taking a mine as an example, CCA is made with the average casualty number per month and the times of gas overrunning per month as the risk index respectively. 以样本矿井为例，分别以月平均受伤人数、月平均计划外瓦斯超限次数为风险评价指标进行控制图分析。
- This paper analyzes the investment risk of premixed concrete industry,and establishes the investment risk index system and the risk evaluation model. 对商品(预拌)混凝土行业投资风险进行了分析,并建立了投资风险指标体系和风险评价模型。
- 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 AHP method was utilized to evaluate this asset risk index system, which provided references for banks to determine the asset quality for loans. 运用层次权重分析法对贷款类资产风险指标体系进行综合评价，为判断银行贷款类资产质量和风险评价提供了依据。
- Based on study of two different cases, stock without payment of bonus and stock with payment of successive bonus, this paper gives formula of Europe style option risk index VaR. 基于考虑股票不支付红利和支付连续红利的两种情况 ,本文给出了欧式期权风险指标 Va R的计算公式
- So DOW Fire & Explosion index and Integral Rate will be used to assess them Respectively. Based on this ,the synthesis risk index can be obtained on the principle of AHP. 故分别采用道氏火灾爆炸指数法和多因子综合积分等级评估法对火灾爆炸和毒物泄漏风险进行评价，并在此基础上，运用层次分析法，进行散化码头风险综合评价。
- The safety assessment for oxirane production system of ethylene chemical plant in Fushun was made by using the risk index method of fire and explosion of Dow's Chemical Company. 运用道氏火灾、爆炸危险指数评价方法对抚顺乙烯化工厂环氧乙烷生产系统进行安全评价,同时对该系统的危险因素进行辨识并提出整改措施。
- 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
