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대학전공별(大學專攻別) 전문직학생(專門職學生)들의 인구관련문제(人口關聯問題)에 대한 연차적(年次的) 변화(變化) 연구(硏究)
이경식,김화중,Lee, Kyung-Sik,Kim, Hwa-Joong 대한예방의학회 1976 예방의학회지 Vol.9 No.1
This study was a part of large scale of a prospective study on attitudes of professional students in medicine, nursing and teaching toward population related issues in Korea. The study was first conducted in May 1974 and then in May 1975 for the 1974 class cohot using a questionaire consisted of attitude scales and other items developed by Lee. The purpose of stuay was twohold, namely, to determine the difference in students among specializations on one hand and between the first and second years in the 1974 class cohot regarding tile subject matter. A one-way analysis of variance was used for attitude scale, and absolute and relative frequency were computed for the analysis of non-attitude scale items by employing Fishers' Ratio and Duncan's multiple range test at 5% level and chi square test at 5% level as significance tests. The hypothesis 'students in health profession are more likely to have positive attitudes toward population related issues progressively as class year advances than students in teaching profession' was tested and the following results were obtained: 1) Nursing students were more likely to display favarable attitudes toward family planning than medical or teaching students although the class cohot showed slightly negative improvement in the second year. Medical and teaching students apperaed to have slightly improved attitudes in the second year. 2) Respondents in general perceived national family planning program as a means of population control and this tendency was more true among nursing students as the class year advances than two other professional groups of students. Students in teaching profession appeared to perceive it more as a means to improve individual family welfare while health students were likely to see as to improve maternal and child health. This tendency was progressively improved as the class year advanced. 3) The majority of students regardless of their respective specializations believed that family planning program should be directed toward the improvement of individual family welfare. No progressive changes in the class cohot were observed. 4) About the plan to use contraceptives in future, no singnificant differences were observes among different specializations nor in different class years. However, the majority was confirmed to have a plan to use contracepives in future. An increasing proportion of the undecided category was observed, as class year advanced among health students. 5) Students in health profession were found to be more favorable about 'more leisure opportunities' as motive for limiting number of children whereas education students indicated the reasons as 'facilitate ambitions' and 'economic base' The progressive changes toward positive direction in both groups were observed as the class years advanced. 6) Attitudes toward induced abortions of the health students were observed to be positively related to class years while an inverse relationship was found in teaching students who showed much less favor in the subject matter than health students. This phenomenon may be due to the different exposure to learning environments unique to respective specializations. 7) Health students were found to have more favorable attitudes toward population education in general than the teaching students. The teaching students appeared to have changed more to the negative direction when they became the second year while no such development was observed in health students. The teaching students seemed to hold a very conservative position with regard to sex education in schools. 8) About the equality of sexes, the nursing group was found to be most favorable while the reverse was true in the teaching group. A change in the negative direction as the class year advanced was found in the teaching group. 9) About questions related to fertility values-the 10 percent of respondents regardless of specialization indicated that they would maintain their single status in future, however no ch
비접촉 안압계, 리바운드 안압계, 토노펜, 골드만 압평안압계의 안압 비교
이경식,김세경,김응권,김태임,Kyung Sik Lee,Se Kyung Kim,Eung Kweon Kim,Tae Im Kim 대한안과학회 2014 대한안과학회지 Vol.55 No.1
Purpose: To compare the level of accuracy of intraocular pressure (IOP) measurements attained by non-contact tonometer (NCT), rebound tonometer (RT) Icare<sup>®, and Tono-Pen (TONO-PEN AVIA<sup>®), using Goldmann Applanation tonometer (GAT) as a reference value and to explore their clinical usefulness. Methods: In a prospective study of 71 normal eyes, IOP was measured with NCT, RT, Tono-Pen and GAT. The IOP values of were then compared between the eyes. Results: RT showed statistically most significant agreement with the GAT [ICC 0.811, 95%CI 0.712-0.878]. In analysis of Bland-Altman plots, NCT showed the smallest mean bias (+0.2 mm Hg) and widest CI (95%CI; ±5.05 mm Hg), RT showed relatively small mean bias (-0.7 mm Hg) and narrowest CI (95%CI; ±3.75 mm Hg). Conclusions: There was a significant agreement between the RT and the GAT measurements. We expect RT to be considered as a reliable alternative when IOP measurement with GAT is not feasible. J Korean Ophthalmol Soc 2014;55(1):47-53
Signomial Classification Method with <sub>0</sub>-regularization
이경식,Lee, Kyung-Sik Korean Institute of Industrial Engineers 2011 산업공학 Vol.24 No.2
In this study, we propose a signomial classification method with <sub>0</sub>-regularization (<sub>0</sub>-)which seeks a sparse signomial function by solving a mixed-integer program to minimize the weighted sum of the <sub>0</sub>-norm of the coefficient vector of the resulting function and the $L_1$-norm of loss caused by the function. $SC_0$ gives an explicit description of the resulting function with a small number of terms in the original input space, which can be used for prediction purposes as well as interpretation purposes. We present a practical implementation of $SC_0$ based on the mixed-integer programming and the column generation procedure previously proposed for the signomial classification method with $SL_1$-regularization. Computational study shows that $SC_0$ gives competitive performance compared to other widely used learning methods for classification.
백내장 수술 후 스펙트럼영역 빛간섭단층촬영에서 나타나는 시신경 지표 변화
이경식,김용민,김지현,안지민,정우석,최정범,박경수,Kyung Sik Lee,Yong Min Kim,Ji Hyun Kim,Ji Min Ahn,Woo Suk Chung,Jung Bum Choi,Kyoung Soo Park 대한안과학회 2013 대한안과학회지 Vol.54 No.10
Purpose: To assess changes in peripapillary retinal nerve fiber layer (RNFL) thickness and optic nerve head parameters after cataract surgery by using spectral-domain optical coherence tomography (OCT). Methods: Twenty-nine eyes of 26 patients, who underwent cataract surgery, were imaged with spectral-domain OCT before and after surgery to measure peripapillary RNFL thickness and optic nerve head parameters, signal strength (SS), quadrant, 12 clock-hour RNFL thickness, rim area, disc area, cup/disc area ratio, vertical cup/disc ratio, and cup volume. Results: The postoperative RNFL thickness and SS were higher than before surgery (p < 0.05). Regarding optic nerve head parameters, rim area was 0.07 ± 0.10 mm higher than before surgery and disc area, cup/disc area ratio, vertical cup/disc ratio, cup volume were 0.07 ± 0.15 mm, 0.04 ± 0.04, 0.03 ± 0.05, 0.04 ± 0.06 mm, respectively, lower than before surgery (p < 0.05). Conclusions: Cataracts may decrease peripapillary RNFL thickness measurement and SS on OCT scans and change other optic nerve head parameters. Peripapillary RNFL thickness and optic nerve head parameter measurements should be interpreted with caution in eyes with significant cataracts.
이경식,Lee Kyung Sik 대한간호협회 1970 대한간호 Vol.9 No.3
The development of public health nursing in this country is delayed due to such factors as the pattern of delivery of medical care which was strictly clinically oriented, comprehensive family health service was over-shadowed by the over-emphasis of contro
李景植(Lee, Kyung-Sik) 역사교육연구회 2018 역사교육 Vol.145 No.-
Yi Jong-hui, a Confucian scholar in the late Joseon dynasty stated his view on Old Joseon, and on Dangun Joseon in particular, in four aspects in his book Dongsa. First, while Yi Jong-hui compiled the history of succession which began from Dangun Joseon and led to the Three Kingdoms, he did not consider his findings to be flawless, Rather, he expected that future developments in the field would enable his successors to newly make use of his findings (data and attitude towards its usage), Second, Yi Jong-hui understood that one should determine one’s historical perspective of important events by closely observing and assuming their traces, however vague the traces should be, This, nevertheless, should be based on a solid understanding of one’s one history as well as the history of others. Yi Jong-hui further pointed out that as history is acknowledged and described in tandem with historical facts and choices, and that its aim and directions should be straightforward for the interpretation of such historical documents (ideas for understanding historical documents), Third, he defined the forces behind such historical process as the continuous development of true virtue (jeongdeok), economic enrichment (yiyong) and public welfare (whosaeng) and posited that its value and power are realized through virtue (deok), labor (gong) and writings (eon) (force and the standards of history). Fourth, based on such understandings, Yi Jong-hui argued that the compilation of annals was the ideal way to narrate history (design and format of historical complication), While he was a Confucian scholar, Yi Jong-hut’s historical description based on factual understanding differed from the tonggam gangmok type of historical description used by the school of Zhu Xi as well as the neo-Confucian orthodoxy. Based on such factual understanding, Yi Jong-hui established his theory on the Three Kingdoms, positing that the history and civilization of Dangun Joseon went on to Buyeo, Yemaek and Kija Mahan, and that Goguryeo, Baekje and Shilla shared the tribes and the civilization with Dangun Kija Mahan, Yi Jong-hui was further able to pursue historical findings on the people and territory of Manchuria and the Korean peninsula as a single concept based on historical circumstances, and to provide topographic explanations to support such findings.