The best evaluation methods in the region are Contamination Degree, which the valuation standard is soil environmental standard and the background, and Potential Ecological Risk Index.
8．本区最优的评价方法是污染程度评价(土壤环境质量标准和当地土壤背景值为评价标准)和潜在生态风险评价法的结合应用。
参考来源 - 贵溪地区污灌水稻土重金属环境地球化学研究与环境评价To control the contamination degree of working substance in hydraulic dredge is a key technique to ensure its stable movement.
对液压挖掘机工作介质污染度的控制是保证挖掘机可靠运行的一个关键技术问题。
参考来源 - 挖掘机液压系统工作介质污染度的模糊控制研究It makes use of fuzzy theory and method to diagnose the contaminationdegree fault of hydraulic system in dredger.4. It applies the programming software LabVIEW as tool to develop the On-line Hydraulic System Contamination Degree Condition Monitoring and Fault Diagnosis System.
本文在对挖泥船液压系统进行广泛的调研和深入的理论研究的基础上，选择污染度为研究对象，进行了特征提取和故障诊断方法的应用研究，开发了挖泥船液压系统污染度在线监测与诊断系统。
参考来源 - 挖泥船液压系统污染度的在线监测与诊断研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The soil and vegetable Hg had close relations with atmosphere Hg, and the automobile exhaust Hg contamination degree of the highway profiles increased with increasing road age and vehicle flow.
大气汞含量与蔬菜和土壤的汞污染具有明显的相关性。公路系统汽车尾气汞污染强度随公路路龄、车流量增大而增强。
Robert Twilley and Guerry Holm of Louisiana State University (LSU) are investigating the degree to which two delta wetland characteristics may help mitigate oil contamination.
而路易斯安娜州立大学的罗伯特·特利和盖里·皓尔穆则在调查两片三角洲湿地将在多大程度上减轻石油污染。
The vesicles or blebs of second-degree burns should not be opened but should be protected from injury, since they form a natural barrier against contamination by microorganisms.
二度烧伤的水疱或大疱是防止微生物污染的自然屏障，应注意保护以防损伤破裂。
应用推荐