判识混源油并确定来自不同油源的原油贡献比例,是油源对比及油气运聚研究的重要内容之一,也是划分含油气系统或油气成藏体系的重要依据。
The identification of mixed crude oils and the calculation of the relative different source proportions are important for studies of crude oil correlation, migration and accumulation.
正确预判结构在不同爆炸事件中可能产生的碎片分布特性,对提高结构的抗爆安全性和减轻爆炸灾害具有重要意义。
In order to improve the explosive security of structures and reduce the hazards caused by blast events, it is significantly important to predict the fragment distribution in different blast scenarios.
利用比值植被指数(RVI)分析法,与实地虫灾调查相结合,找出了受虫灾影响后不同灾害程度的RVI临界值,判对率为73%。
The ratio vegetation index(RVI)method is combined with field survey of insect pest to determine critical values of RVI for different degrees of disaster and the judgement accuracy reaches 73%.
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