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현진오,오창은 濟州大學校 師範大學 科學敎育硏究所 1998 科學敎育 Vol.15 No.-
This study approaches geometrically to different means such means such as arithmetic, the geometric, and the harmonic mean which are handled in the present cumculum of highschool mathematics and tries to give different definitions to these means and to find out another mean. It compares these means with each other on figures through Euclidean geometry. It makes a special study of the properties of each mean and the rrlations among these means about positive real numbers. It also introduces Inverse points and Harmonic points by generalizing more the geometric and the harmonic means.
A Transformation in the Product of Wiener Spaces
현진오,고봉수 제주대학교 1984 논문집 Vol.17 No.-
In this paper we extend Bearman's results, rotations in the product of two Wiener spaces, and give several results which prove useful in dealing with transformations in Wiener space.
Variable Acoustics in performance venues- A review
현진오,정대업 한국음향학회 2021 韓國音響學會誌 Vol.40 No.6
Domestically, demands for multi-purpose performance venues which accommodate various performance genres have increased. However, those venues have limited capability and confined to a primary performance. The present work investigated various methods for controlling the acoustics of room for required performance genres by reviewing aurally presented and published materials. The method of varying the acoustics of a space is called Variable Acoustics, and adjusted in either passive and active ways. Passive control encompasses variable absorption, variable volume, coupled volume, and canopy reflectors, where the acoustics of a room is controlled in an architectural way. Active control includes In-line, Regenerative, and Hybrid systems where the acoustics of a room is manipulated electronically. The mechanism and application of each passive control system in existing venues are reviewed and their pros and cons are discussed. Also, the concept of each active systems and product applications are looked at through literature reviews. Lastly, some considerations that need to be taken into in the planning and design stage of a multi-purpose hall using Variable Acoustics are suggested.
중기하함(中氣下陷)으로 진단된 안검하수 환자와 요실금 환자의 한방치료 치험 각 1례
현진오,김진수,최동준,정승현,임성우,신길조,이원철,한창호,Hyun, Jin-Oh,Kim, Jin-Su,Choi, Dong-Jun,Jung, Seung-Hyun,Lim, Seong-Woo,Sin, Gil-Jo,Lee, Won-Chul,Han, Chang-Ho 대한한방내과학회 2006 大韓韓方內科學會誌 Vol.27 No.4
Junggi-haham (中氣下陷) is a term referring to lethargic symptoms such as digestive system disorder originating from energy deficiency. The authors applied therapy including Bojungikgi-tang(or Seungyangikgi-tang) and Bi-jeonggyuk method to two patients, one having ptosis and the other stress urinary incontinence, respectively, as Junggi-haham. Bojungikgi-tang is an herbal medication preparation and Bi-jeonggyuk is an acupuncture therapy method, and both are used to treat Junggi-haham symptoms. The combined treatment showed positive outcome, and the result suggests that Bojungikgi-tang and Bi-jeonggyuk are effective treatments for patients diagnosed as Junggi-haham.
ON THE ARC LENGTH UNDER INVERSION
현진오,양창홍 濟州大學校 師範大學 科學敎育硏究所 1993 科學敎育 Vol.10 No.1
Two points P and P' of the plane are said to be inverse with respect to a given circle (0)_(R), if OP·OP'=R^(2) and also if both points are on the same side of O. Circle (O)_(R) is called the circle of inversion and the transformation which sends point P into point P' is known a s an inversion. In this paper we consider the curves in two dimensional Euclidean space R^(Z) and prove that the length of a regular new curve segment β(t) of the inside curve α(t) under inversion is equal to the length of a regular curve segment a(t) by scalar multiple.
남 북한 수학교과서의 내용체계 및 용어에 대한 비교분석 : 북한의 고등중학교 교과서를 중심으로
현진오,강태석 한국수학교육학회 1999 수학교육 Vol.38 No.2
The aim of this study is to determine a way to make mathematics textbooks after Korea is reunited. For this, the analysis of curriculum in South·North Korea must be made before unification. Therefore this study compares and analyzes the contents, organization and mathematics terms used in the latest middle school textbooks(1995-1996). And it also compared and contrasted the two textbooks while determining the best points of each. In this way, this study will be a very useful guide for making new educational curriculum and new mathematics textbooks after South and North Korea be unified.
클러스터를 적용한 토량배분 및 그레이더 운영 계획 수립
현진오,나원기,김성근 한국철도학회 2023 한국철도학회논문집 Vol.26 No.7
기존 건설 산업에 산재 있는 숙련공의 부족, 낮은 생산성, 현장 내 안전사고 등의 문제점을 스마트 건설 기술을 통해 해결하려는 시도가 이뤄지고 있다. 이러한 시도는 건설 공사의 각 공종에 다양하게 적용되고 있고 토공사의 토량배분에 대해서도 여러 연구가 선행되었는데, 대부분 최단 거리 알고리즘을 적용하여 최소 비용을 달성하기 위한 연구 이거나 토공사에서 주로 사용되는 굴삭기와 덤프트럭만 고려한 연구이기 때문에 성토 건설장비(그레이더, 도저 등)의 작업계획은 고려되지 않은 실정이다. 이에 본 연구에서는 성토 건설장비 작업의 연속성을 확보할 수 있도록 토량배분에 클러스터를 적용하여 성토 건설장비의 작업계획을 반영할 수 있도록 연구를 진행하고자 한다. 연구는 도로 현장의 토공 사에 기반하여 그레이더 장비를 대상으로 수행한다.