Applying the function formula and calculating the standard index of pH,the result of the assessment is more accurate and prac.
环境评价中应用这一关系式计算pH的标准指数 ,能作出更精确、更切合实际的评价结果。
With the mornitoring data done by Yantai Central Marine Station iin March,1997 and using the standard index evaluating method, this paper evaluata the present state of enviroment of the dumping zone for speciaI chemical wharf in Muping.
根据烟台中心海洋站1997年3月的调查资料，采用标准指数法对牟平化工专用码头倾倒区海域的环境现状进行评价。
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