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우리나라 여성에 있어서 요도 방광염에 대한 임상적 고찰
김한진,양윤구,박종철,박광만 최신의학사 1975 最新醫學 Vol.18 No.3
The urethrotrigonitis in female is one of the most common urinary tract disease in female and recurrent in its character. 64 out-patients with urethrotrigonitis in the Dept. of Urology, N. M. C. were observed clinically during the period from Jan. 1970 to Dec. 1973. The results of observation is as following. '' 1) The Age range was from 10 to 70 years old and most common age range was from 20 to 50, giving the ratio of 88%. 2) The most common frequency of recurrences was 2-3 times, giving the ratio of 73%. 3) The most common frequency of delivary was 3 times, giving the ratio of 31%. 4) Most of cases used antibiotics before visiting hospital and this is the causes of negative culture test. 5) Symptoms were usual bladder irritating symptoms. The treatment was not difficult. medicating 1-2 times of medicine and spontaneous healing was frequently observed also.
Abbas Syed Hayder,박영준,김상윤,부영건,유상선,양윤구,이민재,황금철,이강윤 전력전자학회 2017 JOURNAL OF POWER ELECTRONICS Vol.17 No.3
This paper reports on a single-inductor multiple-output step-up converter with digital control. A systematic analog-to-digital-controller design is explained. The number of digital blocks in the feedback path of the proposed converter has been decreased. The simpler digital pulse-width modulation (DPWM) architecture is then utilized to reduce the power consumption. This architecture has several advantages because counters and a complex digital design are not required. An initially designed unit-delay cell is adopted recursively for the construction of coarse, intermediate, and fine delay blocks. A digital limiter is then designed to allow only useful code for the DPWM. The input voltage is 1.8 V, whereas output voltages are 2 V and 2.2 V. A co-simulation was also conducted utilizing PowerSim and Matlab/Simulink, whereby the 55 nm process was employed in the experimental results to evaluate the performance of the architecture.