Background The lifetime occurrence of urinary stones is approximately 1%–15%,and the peak age of occurrence is 30 years.Approximately one fifths of urinary tract stones are found in the ureter,of which two thirds are...
基于Global Positioning System(GPS)掩星数据在平流层具有较高准确性、稳定性的优势,本文尝试用新一代GPS掩星观测——the Constellation Observing System for Meteorology,Ionosphere,and Climate(COSMIC)资料验证不同卫星平台上先...
supported by the National Natural Science Foundation of China (Grant No. 40505009);the Min-istry of Science and Technology and the Ministry of Finance of China (GYHY200706001);by the ChineseAcademy of Sciences (2005-2-16)
The effects of incorporating the advanced microwave sounding bogussing algorithm on typhoon prediction are examined through The AMSU-A data contain the vertical distribution of the retrieved unit (AMSU-A) data with ...