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퍼지 알고리듬을 사용한 Multi Head Lamp System의 개발
황교일(Kyoil Hwang),김훈모(Hunmo Kim),이정훈(Junghoon Lee),정병찬(Byungchan Jung),류경주(Ryu Kyungjoo) 한국자동차공학회 2002 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2002 No.5_3
Nowadays, many parts are operated automatically in vehicle. However, the head lamp system is operated in manual by the driver. At night the driver should turn on the headlamp in manual. Additionally, when the vehicles cross over each other, the driver should make the headlamp low at night So, the driver is not convenience of switching high beam or low beam. In this paper, we propose that a new head lamp system whieh recognize front environment of vehicle and is controlled automatically using fuzzy algorithm. This system has four step beams instead of high beam and low beam. If this system is used, the driver will feel convenience during night driving.
( Joo Hyung Lee ),( Jisun Lee ),( Miran Kim ),( Kyungjoo Hwang ) 대한산부인과학회 2016 대한산부인과학회 학술대회 Vol.102 No.-
Objective: To evaluate the effectiveness of hysteroscopic coagulation in treating symptomatic post cesarean section scar defect. Design: Retrospective study, Case series Patients: Four patients with post cesarean section scar defect who experienced postmenstrual abnormal uterine bleeding were retrospectively analyzed. Intervention: Four patients were diagnosed with post cesarean section scar defect by a transvaginal ultrasonography. Hysteroscopic surgery was performed in four patients with monopolar coagulation of the vessels on the defect site. Intrauterine device was inserted immediately following the hysteroscopic surgery and oral contraceptive medication was applied for one month in three patients. Results: The average age of the patients was 39.5 years and the average parity was 2.5. Three patients had history of two previous cesarean deliveries and one patient had three previous cesarean section. Transvaginal ultrasonography was performed in all patients and revealed post cesarean scar defects. Three patients showed no additional uterine pathology and one patient had adenomyosis. The average size of the defect was 9.4 mm wide and 9.13 mm in depth. All patients experienced postmenstrual abnormal uterine bleeding for average of 14 days accompanied by vaginitis or menorrhagia in two patients. No complications were observed. Postmenstrual abnormal bleeding as well as accompanying symptoms associated with vaginitis and menorrhagia disappeared following hysteroscopic electrocoagulation of the scar defect. Conclusion: Hysteroscopic coagulation of the cesarean section scar defect is a simple method to successfully treat the symptomatic cesarean section scar defects. Intrauterine device followed by oral contraceptive can prolong the effect hysteroscopic management of the defect. Hysteroscopic treatment may serve as an alternative method to repair the cesarean section scar defect other than laparoscopic or vaginal approach.
Prevalence of high-risk human papillomavirus infection in sexual assault survivors in South Korea
( Kyoungjin Chang ),( Jisun Lee ),( Hyoung Yoon Chang ),( Young Ki Chung ),( Namhee Kim ),( Kyung Ah Kim ),( Yee Jin Shin ),( Kyungjoo Hwang ),( Miran Kim ) 대한산부인과학회 2016 대한산부인과학회 학술대회 Vol.102 No.-
목적: We examined the prevalence of HPV infection in adult and adolescent sexual assault survivors. 방법: This was a retrospective study and we reviewed medical records of sexually assaulted victims who visited the Sunflower center of Southern Gyeonggi for Women and Children Victims of Violence.Demographic characteristics including the features of assault as well as datas on HPV and Chlamydia infection were obtained from medical records. The liquid-based cytology (LBC) test was performed using the Pap brush<sup>®</sup> (Sang A Medical, Seoul, Korea) and the Cervex-Brush<sup>®</sup> (Rovers Medical Devices, BV, Oss, The Netherlands). High-risk human papillomavirus (HR-HPV) detection was performed using the commercially available Hybrid Capture 2 assay<sup>®</sup> (HC2; Digene Corp., Gaithersburg, MD, USA). All statistical analyses were conducted using SAS. Chi-square and Fisher’s Exact test were used to compare the distribution of categorical variables between groups. 결과: Among 153 women who were examined with sexual assault evidence collection kit, 145 women underwent HPV testing. High risk HPV DNA was detected in the genital samples of 57 women (39.3%). Women in twenties had highest prevalence of 43.5%. Demographic characteristics and features of assault were not significantly associated with HPV infection. The prevalence of history of sexual intercourse was significantly higher in HPV postive survivors compare to HPV negative survivors (94.7% vs. 73.9%, p=0.001). The incidence of chlamydial infection was also higher in HPV positive survivors comapred to HPV negative survivors (15.8% vs. 6.8%, p=0.074) 결론: This is the first study to report the prevalence of HPV infection in adult and adolescent sexual assault survivors. In this study, 39.3% of 145 women was HPV positive. Our results also showed that HPV positive survivors had a greater chance to be exposed to other sexual transmitted infection such as chlamydial infection. Our results provide evidnece for necessity of routine HPV vaccination in sexually assaulted victims.