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김현준,지병철,서창석,김석현,최영민,김정구,문신용,Kim, Hyun-Jun,Jee, Byung-Chul,Suh, Chang-Suk,Kim, Seok-Hyun,Choi, Young-Min,Kim, Jung-Gu,Moon, Shin-Yong The Korean Society for Reproductive Medicine 2007 Clinical and Experimental Reproductive Medicine Vol.34 No.1
Objective: The objective of this study was to investigate whether serum levels of vascular endothelial growth factor (VEGF) measured at ovulation triggering day reflect ovarian response in intrauterine insemination (IUI) cycles. Methods: Forty-nine fertile women who undergoing superovulation and IUI were included. Superovulation was performed using clomiphene citrate (100 mg/d on day 3$\sim$7) in combination with human menopausal gonadotropin (150 IU every other day starting on day 5). Serum samples were obtained on the day of hCG administration and the levels of VEGF-A and estradiol were measured. The numbers of mature follicle $\geq$17 mm in diameter were also counted. Results: Serum VEGF-A levels did not correlate with the numbers of mature follicle count nor serum estradiol levels. Serum estradiol level was positively associated with mature follicle count. Serum VEGF-A levels tended to be lower in women with mature follicle count less than three or women with more than five. Conclusion: Our results indicate that serum VEGF-A levels do not have an association with superovulation outcome in IUI cycles. However, a tendency of lower VEGF-A level in poor and high responder suggests that those with extreme response to superovulation may be related with abnormal angiogenesis. Further studies should be warranted in larger populations. 목 적: 자궁강 내 인공수정을 위한 과배란유도 시 혈청 vascular endothelial growth factor (VEGF) 농도가 과배란유도의 결과를 반영할 수 있는지를 확인해 보고자 하였다. 연구방법: 과배란유도 후 자궁강 내 인공수정을 시행 받은 49 명의 불임여성을 대상으로 hCG 투여 일에 혈청을 얻어 VEGF-A 및 estradiol 농도를 측정하였다. 과배란유도는 clomiphene citrate (100 mg/d on day 3$\sim$7) 와 human menopausal gonadotropin (150 IU every other day starting on day 5) 병합요법을 이용하였다. hCG 투여 일에 17mm 이상의 성숙난포 수와 자궁내막 두께를 동시에 측정하였다. 결 과: 혈청 VEGF-A 농도는 성숙난포 수, estradiol 농도 및 자궁내막 두께와는 무관하였던 반면 성숙난포 수와 estradiol 농도는 양의 비례관계를 보였다. 혈청 VEGF-A 농도는 성숙난포 수가 2 개 이하인 저 반응 군과 6 개 이상인 고 반응 군에서 통계적으로 유의하지는 않지만 낮은 수치를 보였다. 결 론: 혈청 VEGF-A 농도는 자궁강 내 인공수정 시술 시 과배란유도의 결과와 무관한 것으로 사료되지만 저 반응 군과 고 반응 군에서 낮은 농도를 보이는 것으로 보아 이들을 대상으로 한 추가 연구가 필요할 것으로 판단된다.
김현준,김승,김형섭,정성원,Kim Hyeon-Jun,Kim Sung,Kim Hyeong-seop,Jung Sung-won 한국관개배수위원회 1995 한국관개배수논문집 Vol.2 No.1
Since precipitation is variable with time and space, a mean annual precipitation should be estimated with adequate consideration of their variations. In Korea, the thirty-year period has been widely used to estimate the mean annual precipitation. However,
김현준,Na Yeon Kim 한국행정학회 2019 International Review of Public Administration Vol.24 No.3
Do intergenerational conflicts exist across welfare service provision between old and young generations? By using multinomial logit regression on citizens’ willingness to pay for elderly and child welfare services, the authors confirm that older generations prefer services that directly benefit themselves but find little evidence that older generations are less willing to pay additional taxes to fund child welfare services. This paper emphasizes interdependence in welfare service areas and urges the government to improve the capacity to deliver welfare services effectively.
김현준,Kim, Hyun-Jun 한국군사과학기술학회 2009 한국군사과학기술학회지 Vol.12 No.2
This paper includes that there is the way to make the prediction of the remaining life of the barrel in small arms using analyzing dispersion. There are some ways to know the period to change the barrel such as the method of detecting the inner surface directly or inspecting the scratch using the optical sensor. However, it is a more easy way to check the dispersion for soldiers and the directors in a logistics command. Therefore, this study is conducted to focusing on the relation between firing round and dispersion. And the simple equation experimentally derives from pre-tests and analyses. Also, this equation is confirmed through the firing tests during the period of developing K11. In that sense, it can be easily applied to know the period of changing the barrel of small arms in the field army.
김현준,채제욱,최의중,Kim, Hyun-Jun,Chae, Je-Wook,Choe, Eui-Jung 한국군사과학기술학회 2013 한국군사과학기술학회지 Vol.16 No.3
This paper includes the algorithm of eliminating noise, the processing technique of sensor and the results of designing vital and environmental sensor, one of the survivability subsystem of Future Soldier System. In this paper, we propose the adaptive filtering, moving noise removal in order to detect signals stabilized. And these help that we get bio-signals the ECG calculating methods such as search back and ensemble method. It is made up the vital and environmental sensor including the flexible sensor. In that sense, this study can be applied when it is planned the modular type Future Soldier System.