The relation of linear ablative rate (ar), ablative heat insulating property index (API) and structure constant (K) to ablative heat insulating property were studied in this paper.
The index of cardiac function, K and BI are the good indexes to completely evaluate the cardiac vascular function.
心功指数(K值与BI值)是较全面评价心血管机能水平的指标。
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A kind of K drought index and its criterion are made by using spring precipitation and evaporation data of 140 stations in Northwest China from 1971-2000.