Empiristic analysis, through interviewing probe and questionnaire survey and multiple statistical analysis method, amends employee turnover forecast model of dynamic.
Based on the actual condition of air-conditioned train, this paper designes questionnaires about IAQ intrain compartment and investigates the IAQ by the questionnaires.
98 hypertension patients and 80 health individuals as control were selected,to carry out psychometry by type A question paper and hospital anxiety depression(HAD).
Methods Survey 608 residents, who are above 35-year-old in Songbo town of Shen Nongjia area, with unific survey papers;and give them physical examination.