The relationship between microlithotype and the distribution of cleat in coal bed is discussed through a case from Hedong coalfield, combining microstratigraphy and statistics methods.
Superpopulation model is a bridge between survey sampling and other branches of statistics.It is helpful to study sampling theory with the tool of superpopulation models.
BJT could improve the scores of urination symptom in NIH-CPSI of chronic prostatitis patients, showed significance on statistics;also improve the uroflowmeter, showed significance on statistics.
It can also provide products of drainage area hyetal statistics and forecast, and give the decision-making service of flood prevention for all government departments and flood prevention department.