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고영희,홍후조 안암교육학회 2012 한국교육학연구 Vol.18 No.2
본 연구의 목적은 초등학교 고학년 사춘기 초기 적응을 위한 교육과정을 개발하기 위하여 요구를 파악하고, 향후 초등학교 고학년 사춘기 초기 적응을 위한 교육과정 기준을 마련하 기 위함에 있다. 이를 위해 사춘기의 개념과 선행연구를 간략히 개관하고, 초등학교 6학년 (276명), 고등학교 1-2학년(271명), 초등학교 5-6학년 담임교사(196명), 초등학교 6학년 학 부모(150명)를 대상으로 설문조사를 실시하였다. 연구 결과, 사춘기 초기 적응을 위한 교육 과정 내용으로 건강관리, 마음 다스리기, 정서.심리 변화, 사춘기의 자기 관리와 장래 설 계가 중요하다고 파악되었다. 사춘기 초기 적응을 위한 교육과정 내용의 가르칠 비중에서 는 친구 관계 향상 방법과 사춘기의 자기 관리와 장래 설계가 높게 수용되었다. The purpose of this study was to investigate the needs for development of early adolescence adaptation curriculum in Elementary school students in higher grades, and to suggest criteria of early adolescence adaptation curriculum for school teachers and parents. This study reviewed the concepts of puberty and prior studies about adolescent. Survey was carried out by asking a series of questions in the form of a questionnaire distributed to a group of the sixth grade students(276 persons), the eleventh-twelfth grade students(271 persons), the fifth-sixth grade teachers(196 persons) and parents of the sixth grade students(150 persons). The major findings of this study were as follows: It is concluded that early adolescence adaptation curriculum needs to be focused on health management, mind control, emotional and psychological change, self-management, and planning for the future. And proportion of teaching time is to be taken more for friend relationship, self-management, and planning for the future.
고영인,임재택,조희숙,황해익,정계숙 부산대학교 영유아보육연구소 1998 영유아보육연구 Vol.4 No.-
The purpose of this study was to investigate longitudinal growth and development of young children and follow-up effects of the educare program in the PNU Day Care Center. Particularly, the first objective of this second report of study was the comparison the entire domains of development with age between the Oct. of 1995 and the Dec. of 1998. The second objective was to analyze the developmental .changes of 5 children who entered the center in 4 years old since Oct. 1995. The subjects of this study were 448 children(241 boys, 207 girls). The instruments of this study were the KISC and KEDl-WISC(for intelligence test), the Learning Readiness Test, the Social and Emotional Scale, Height Scale and Weight Scale( for physical growth). The tests were carried out 2 times per year (the early of the year and the late of the year). Results from comparsion across the 1st through 7th tests during 3 years indicated that the mean of the height was increased about 1-8cm for all of 2-5 years old children. The mean of the weight also was increased about 1.5-4.0kg except 2 years old children. The intelligence score (T score) by KISC was increased around 6-42 points except 6 years old boys and girls. In the intelligence score by KEDl, there was improvements of average 8 points for 7 years old children. In the learning Readiness Test of 5, 6 years old children, the scores all of children except 6 years old girls got were decreased. The scores of 6 years old girls were incresed 6 points in the Dec. of 1998. In the Social and Emotional Scale, there was big improvement of scores between in the 1st test and in the 7th test. These results were discussed in the view of sample size, developmental characteristics, test instruments and educare program of the PNU day care center.
Removal of Cochlodinium polykrikoides using a novel material produced from sediment - A field study
Young一Chae Song,S. Sivakumar,Sung-Chung Ko,Eung-Ju Hwang,Qtae Jo 한국항해항만학회 2007 한국항해항만학회 학술대회논문집 Vol.2 No.추계
The present study was conducted in three fields at Namhae to examine the removal efficiency of organic free, heavy metal immobilized sediment on Cochlodinium polykrikoidesand on sea water quality. The present study results concluded that removal efficiency was depends on the initial number of red tide cells. There was no drastic change in the sea water quality after sediment spray. For the comparison of effectiveness of betonite, zeolite and lime were mixed with sediment did not show any marked difference in removal. Finally, the present study evaluated 5Og/m² sediment is Sufficient to remove 100% cells density, even though various environmental factors are interfering the mechanism.
정종윤,황영수,이춘만,정원지,고태조 한국공작기계학회 2003 한국생산제조학회지 Vol.12 No.4
The properties of a machine tool greatly affect machining quality since a machine tool has large variance in its features. Machine tool makers want to find best machining condition with the one that they have built. Machine builders need to develop test specimen since it helps finding characteristics of machine tools when the machining properties of the specimen are analyzed. This paper develops test specimen to identify features of the main spindle, the feeding device, and the frame of a machine tool. The specimen is machined with a high speed machine and the features of the machine are analyzed with test items. They are surface roughness, overshoot in axial movement, errors in circular movement, feeding with small movement, and compensational error. This work can improve usability for a machine tool in machining practice.
Jo, Yong Beom,Park, Sung Hoon,Jeon, Jong-Ki,Ko, Chang Hyun,Ryu, Changkook,Park, Young-Kwon Humana Press 2013 Applied biochemistry and biotechnology Vol.170 No.6
<P>Calcined waste starfish was used as a base catalyst for the production of biodiesel from soybean oil for the first time. A batch reactor was used for the transesterification reaction. The thermal characteristics and crystal structures of the waste starfish were investigated by thermo-gravimetric analysis and X-ray diffraction. The biodiesel yield was determined by measuring the content of fatty acid methyl esters (FAME). The calcination temperature appeared to be a very important parameter affecting the catalytic activity. The starfish-derived catalyst calcined at 750 C or higher exhibited high activity for the transesterification reaction. The FAME content increased with increasing catalyst dose and methanol-over-oil ratio.</P>