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가우스 괄호법을 이용한 줌 렌즈의 조출량에 대한 수치해석 계산법
조재흥,이도경,이상은,류재명,이해진,강건모,Jo, Jae-Heung,Lee, Do-Kyung,Lee, Sang-On,Ryu, Jae-Myung,Kang, Geon-Mo,Lee, Hae-Jin 한국광학회 2009 한국광학회지 Vol.20 No.3
When the object distance of a zoom lens with finite object distances is varied, we can fix the image at a fixed image plane by moving only one zoom lens group (autofocus group) without moving all zoom lens groups for the autofocus. We theoretically formulated and numerically calculated the moving distances of the autofocus group by using Gaussian brackets and a paraxial ray tracing method. The solutions of this method can be consistently and flexibly used in the initial design for the moving distance of autofocus group within these zoom loci in all types of zoom lens. Finally, in order to verify the usefulness of this method, we show that the moving distance of an autofocus group can be rapidly and diversely obtained in one example of $M_{5n}$ zoom lens type. 유한 물점의 줌 렌즈에서 물체거리가 변할 때에 전체 줌 렌즈의 각 군을 모두 움직이지 않고 특정한 한 개의 렌즈군(조출군)을 이동시켜서 고정된 상면에 결상시킬 수 있다. 이 조출군의 이동량(조출량)을 가우스 괄호법과 근축광선 추적식의 행렬표기법을 이용하여 이론적으로 유도하고, 수치해석적으로 이 조출량을 구하였다. 이 방법은 물체의 거리에 관계없이 모든 종류의 유한물점 줌 렌즈의 조출량에 대한 초기설계에 대해서 유연하면서 통합적으로 적용할 수 있다. 이를 증명하기 위하여 줌 렌즈에서 가장 복잡한 $M_{5n}$ 형태의 5군 줌 렌즈에 적용하여 조출량을 빠르게 신출할 수 있음을 보였다.
Chromatography에 의한 海藻類중의 遊離 아미노산 分離 定量
조재흥,정오진,조성동 조선대학교 기초과학연구소 1980 自然科學硏究 Vol.3 No.1
The sea weds growing at the southern area of korea have been separated and classified into green algae, brown algae and red algae. The amino acids in sea weeds have been analyzed exclusively by gas chromatograms on the Gas chromatograph (Shimatzu GC-IC type) equipped with the flame Ionization Detector. Thses amino acids were again separated and identified by the Thin Layer chromatograph. Through these analyses, the follwing results were obtained : 1. All the essential amino acids were analyzed both by G.L.C. and T.L.C. 2. The amount of free amino acids was much more abundant in Monostroma nitidium. 3. In general, the amount of amino acids determined was larger in G.L.C. than in T.L.C. 4. Among the free amino acids detected glycin leucine and arginine were analyzed relatively in a larger amount, and those of cysteine and histidine were less. 5. The free amino acids of 7-11 kinds of the essential amino acids were detected in Gloipetis furcata J.Agardh, Gloiopetis J. Agardh, and chorda filum Lamouroux that had not been used for food, and in a fairly large amount.
Zanthoxylum Schinifolia Seed의 理化學的 特性에 關한 硏究
조재흥,차월석,김호두 조선대학교 생산기술연구소 1987 生産技術硏究 Vol.9 No.2
The properties of Zanthoxylum schinifolia oil are: Refractilre index= 1,4710, Acid value=1.97, Iodine value=116, Smoking point=190℃ and Saponification value=180. The contents of chemical composition are: total fatty acid = 99.9 %, palmitic acid=27.6%, total amino acid 9600㎎/100g Sample, and glutamic acid 2570㎎/100g. All the essential anino acid contained in Zanthoxylum schinifoliia, and the total amino acid, 19.59㎎/16g N, standard quantity of FAO, 22.4㎎/16g N.
조재흥,김고운,박혜성,윤예지,송미연 한방비만학회 2017 한방비만학회지 Vol.17 No.1
Recently the global epidemic problem of obesity has stimulated intense interest in the study of physiological mechanisms using animal models as a way to gain crucial data required for translation to human studies. Panax ginseng has been reported to have anti-obesity or anti- diabetic effects in many animal studies; however, there have been few studies investigating human obesity. Herein, we will assess and examine the evidence supporting the anti-obesity effect of Panax ginseng in animal models with respect to anthropometric and metabolic outcomes. We will include controlled, comparative studies assessing the effect of Panax ginseng in preclinical studies of obesity. Panax ginseng will be administered during or following the induction of experimental obesity. The primary outcome measure will be anthropometric assessment and the secondary outcome measures will include adipose tissue weight, total amount of food consumed and metabolic parameters. We will search MEDLINE, Embase, PubMed, Web of Science, and Scopus without language, publication date, or other restrictions. Ethical approval will not be necessary as the data collected in this study will not be individual patient data, consequently there will be no concerns about violations of privacy. After finishing the whole procedure, the results will be disseminated by publication in a peer-reviewed journal or presented at a relevant conference. This protocol has been registered on the Collaborative Approach to Meta-Analysis and Review of Animal Data from Experimental Studies (CAMARADES) website (http://www.camarades.info).