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在《克山病区的气象学特征》研究中,发现年干燥度与病区分布的关系密切,因而进一步研究干燥度。作者共计算289个克山病县的年干燥度,结果如下:1、289个病县的年干燥度呈常态分布,最低值0.43,最高值1.48,95%可信限为0.56—1.36。年干燥度1.00—1.09组病县数量最多,占22.2%;0.80—1.09的病县占56.1%,且多为重病县;0.70—1.19的占80.4%。有可能,0.80—1.09是发生克山病较适宜的年干燥
In the study of “meteorological characteristics of Keshan ward”, it was found that annual dryness is closely related to the distribution of ward, so further study of dryness. The authors calculated the annual dryness of 289 Karsha disease counties, the results are as follows: The annual dryness of 1,289 counties was normal distribution, the lowest value of 0.43, the highest value of 1.48, 95% confidence limits of 0.56-1.36. The annual dryness 1.00-1.09 group disease counties the most, accounting for 22.2%; 0.80-1.09 counties accounted for 56.1%, and most are seriously ill counties; 0.70-1.19 accounted for 80.4%. It is possible, 0.80-1.09 Keshan disease occurs more appropriate year of dry