Index basin的意思|示意

Chemical index of the illite samples is higher than 0.5, indicating that clay minerals had undergone strong chemical weathering and interior of the Basin had a relatively warm and wet climate.

同时，所有样品伊利石化学指数值均大于0.5，说明粘土矿物经历了强烈的化学风化作用，盆地内部为暖湿气候。

It is for the practice and comparison of regional flood research that the idea of Basin-Wide Flood(BWF)is further proposed. Moreover, the index and grades of BWF for last 500-year period in Hua…

为了使区域洪涝研究更为具体和可比，本文在分析区域洪涝指标的基础上．提出了流域性洪涝的概念，并以《中国近五百年旱涝分布图集》为基础，建立了淮河流域500年流域性洪涝指标序列及其等级。

Gaseous hydrocarbon generation of gas source rock is a key index in evaluating gas source rock. It is also an important parameter of basin resource assessment.

气源岩的气态烃产率是评价气源岩生气潜力的重要指标，也是盆地资源评价中的重要参数。

Based on the existing research results, an index system is proposed for determination and evaluation of the operational scheme of the river basin flood control system.

针对复杂的流域防洪系统调度方案评价决策问题，在已有研究成果的基础上，初步提出相应的防洪系统调度评价指标体系原型。

The most of oil fields with industrial index are also located at the cross districts between basin and tectonic recessive geochemical boundaries.

具有工业意义的油气田均位于构造隐性急变带与中新生代盆地的立交地段。

Regional flood frequency analysis for un-gauged basins included selecting a pooling-group, estimating the index flood, deriving pooled growth curve and fitting flood frequency curve for tested basin.

无资料地区设计洪水的区域频率分析包括选择相似流域组、估计指标洪水以及推求区域综合增长曲线和设计流域的洪水频率曲线。