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鄭民煥,李錫南,朴昌植,丁小鳳,金成根 경희대학교 체육과학연구소 1978 體育學論文集 Vol.6 No.-
In the result of the research on the interests to the physical strength code system of boy high school (Comparison) of advancing to higher education and nonadvancing to higher education), it was possible to deduce the following conclusion and the suggestions from the theoretical background and the assumptions mentioned above forwarded by this research. 1. The understanding in the system of P.S.C. in inefficient. 2. The system failed to provide to one's strengh buiding 3. The training for P.S.C. is always not practiced consistently but being exercised on the immediate of inspection. 4. The understanding on the itemized purpose of its inspection is relatively low. 5. The inspection has something to do with the entrance examination and conderned because of the directive score points. 6. The inspection system failed to show a fairness and a lot of contradictions have been pointed out in the course of its execution. 7. In a comparison of advancing to higher education and nonadvanoing to higher education, the latter has not considered a special necessity. 8. The relative importance for the entrance examination by current inspection of P.S. has shown as fitted one. 9. It is not well comed to practice only in the training of P.S.C. at the assigned time to P.S. From the above conclusion, the following suggestions are required. 1. It is required that the system of P.S.C. is to be equally alotted to the all physical curriculum so that the guidance with the possitive plans be undertaken in the ordinal time. 2. It should not be limited of the system of P.S.C. in reflecting to the result of entrance examination for the boys of advancing to higher educations, and but considered in the dimension of national aspects, and the systematic backing policy enabling to exercise with a interest to the system of P.S.C even for the group of non-advancing for higher education be necessary. 3. A objectivity making the inspection thorough and correct in the course of execution, of the system of P.S.C. is required. 4. The fairness of inspection should be maintained by a sufficient training in advance for the staffs of the physical strength inspection and the inconsistencies should be developed. 5. The items of sport(Swiming, physical exercise, shooting etc.) beside the items of current P.S. inspection is recommended to be added. In the end, by strengthening the grade of current P.S. inspection, it is necessary to let people know that it Is very hard to get a special grade without a consistent effort in ordinary day.
Complete Assignment of the 1H and 13C NMR Spectra of a Sucrose Ester from Euphorbia Lathyris L
정민환,김현식,안상두,김정택,진무현,임용현,김영국,옥종화 한국자기공명학회 2000 Journal of the Korean Magnetic Resonance Society Vol.4 No.2
: The detailed 1H and 13C NMR assignments of a novel sucrose isovaleryl ester isolated from the seed of Euphorbia Lathyris L., were achieved by one- and two-dimensional techniques. The new sucrose ester was characterized as an -D-glucopyranoside, 3,4,6-tris-O-(3-methyl-1-oxobutyl)--D-fructofuranosyl, 2,6-bis(3-methylbutanoate); sucrose 4,7,8,11,12-pentaisovalerate by MS and NMR experiments
정민환,이을희 진주산업대학교 농업기술연구소 2000 農業技術硏究所報 Vol.13 No.-
The plain yoghurt was manufactured by adding with 0∼3% pine needle powder. The pH, viscosity, viable cells of lactic acid bacteria, organic acid and carbohydrate in plain yoghurt were analyzed. The equal weight of the plain yoghurt made with 2% pine needle powder was mixed with ice cream mixture. General composition of frozen yoghurt, physical properties and sensory evaluation were investigated. The pH values of the plain yoghurt decreased by adding the pine needle powder. Apparent viscosity of plain yoghurt added with pine needle powder was lower than that of the control. The number of lactic acid bacteria of plain yoghurt treated with pine needle powder was higher than that of the control. Some carbohydrate and organic acid in plain yoghurt were analyzed by HPLC. The amount of lactose and sucrose markedly increased during the fermentation by ATB-A for 5 hours while the amount of glucose decreased. The major organic acid produced during fermentation was found to be lactic and citric acid. Frozen yoghurt made by adding with pine needle powder resulted in higher value of hardness than that of the control ; Control resulted in higher value of cohessiveness and springiness. Appearance of all samples were relatively good scores, but rheology properties and body scores of the control were significantly higher than that of samples.
담수순화 감성돔 Acanthopagrus schlegelii의 정액특성 및 정자운동성
정민환,장영진 한국발생생물학회 2011 발생과 생식 Vol.15 No.2
장기간 담수순화 사육한 감성돔 Acanthopagrus schlegelii(BFW) 정액의 화학적 특성과 염분 및 이온조성에 따른 정자활성을 해수사육 감성돔(BSW) 정액과 비교하였다. BFW 정장의 화학적 특성은 대부분의 요인에서 BSW 정장과 차이를 보이지 않았으나, 삼투질농도는 각각 307.0±4.6, 337.3±10.1 mOsm/㎏으로 차이를 보였다. 염분에 따른 BFW 및 BSW의 정자운동성는 0 psu에서는 운동성이 관찰되지 않았으나, 10 psu에서 낮은 운동성과 짧은 정자 운동지속시간을 보였다. 그러나 20, 32 psu에서는 높은 운동성과 긴 정자 운동지속시간 보였다. BFW와 BSW 정자의 SAI는 이온의 종류와는 상관없이 삼투질농도에 의존하여 변화하였으며, 인공해수와 비슷한 농도에서 높았다. 결론적으로 장기간 담수에서 사육한 감성돔의 정자의 운동개시요인은 환경수의 삼투질농도가 좌우하는 것으로 판단된다.
담수순화 감성돔(Acanthopagrus schlegeli) 정자의 냉동보존 조건별 활성평가
정민환,임한규,도용현,김종현,손맹현,장영진 한국발생생물학회 2012 발생과 생식 Vol.16 No.2
담수에서 사육한 감성돔 Acanthopagrus schlegeli(담수감성돔) 냉동/해동 정자의 생존율이 가장 높았던 결빙억제제(cryprotective agent, CPA)는 dimethyl sulfoxide(DMSO)였으며, 다음으로 glycerol, ethylene glycol(EG) 그리고 methanol 순이었다. 해동 후 정자운동성은 glycerol, DMSO, EG, methanol 순으로 높았으며, 이상의 결과들은 해수에서 사육한 감성돔(해수감성돔)에서도 나타났다. 담수 및 해수감성돔 정자의 냉동보존시 적정 CPA는 DMSO와 glycerol이었으며, 생존율과 정자운동성이 가장 높았던 적정 농도는 모두 10%였다. 특히 10% DMSO로 냉동보존한 담수 및 해수감성돔 해동정자의 생존율과 정자운동성은 10% glycerol로 냉동보존한 해동정자보다 높게 나타났다. 냉동보존기간에 따른 담수 및 해수감성돔 해동정자의 생존율과 정자운동성을 측정한 결과, 대부분 보존기간이 길어질수록 감소하였으며, CPA의 농도가 높을수록 생존율과 정자운동성은 급격히 감소하였다. 그러나 5% DMSO로 냉동보존한 해동정자의 생존율 및 정자운동성은차이는 보이지 않았다.