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강호욱,노은환,박은진,송현준,이혜경,주채연 진주교육대학교 초등교육연구소 2005 科學敎育硏究 Vol.28 No.-
The purpose of this study is to provide some basic data which can be helpful for improving the methods of mathematics teaching-learning emphasizing the affective factors by investigating the effect on affective characteristics and mathematical problem solving ability of the students on the elementary school sixth grade. In order to achieve these purpose, the following research problems were set up for the present study: The results of this study are as follows: First, it was appeared that there was not any difference on attitude on mathematics, belief, self-confidence and the degree of mathematical problem solving ability by sex. Second, it was appeared that there was some statistical meaningful difference on attitude on mathematics, belief, self-confidence and the degree of mathematical problem solving ability according to high middle low ability on mathematics which the students think that they have. Based on the results of this study, I'd like to give some suggestions as followings to provide some help to teaching and learning mathematics. First, the succeeding studies are needed by selecting different population from the population of this study, classifying low-ranking factors consisting of affective characteristics differently from this study, compounding each low-ranking factors in various manners like using new items, etc. Second, the succeeding studies are needed in this part, because what mathematical belief teachers have mathematics can have an effect on students' mathematical belief and action as well as on teachers' thinking process and action in the class. Third, the succeeding studies are needed to develop concrete field study and program which can be helpful for improving actually students' affective behavior characteristics in school field.
질소시비수준 및 Ryegrass 유혼파가 겉뿌림 초지개량에 미치는 효과 : Ⅰ. 정착율, 식생구성율 및 건물수량에 관한 효과
강호준,김문철 濟州大學校 農科大學 動物科學硏究所 1992 動物科學論叢 Vol.7 No.1
This experiment was carried out to determine the effect of improvement of oversown pastures, treated with four nitrogen(N) application levels(0, 100. 200. 300 kg/ha) and three species mixtures (A:orchardg-rass+ ladino clover: B: orchardgrass+ ladino clover+ perennial ryegrass; C: orchardgrass+ ladino clover+ perennial ryegrass+ Italian ryegrass). The establishment of perennial ryegrass, Italian ryegrass, and ladino clover were increased with inc-reased N applications. but the ryegrass mixed with orchardgrass and ladino clover decreased the establi-shment of ladino clover. With the increase of N application levels, orchardgrass, perennial ryegrass and Italian ryegrass in com-parison on botanical composition were getting better, while the native plants established already were de-creased. The botanical composition of newly sown pasture plants was increased as cutting times progres-sed. The dry matter(DM) yield of pasture species increased significantly with N application up to 300 kg/ha. There was no significance among mixture treatments, although the DM yield of basic treatment(0rchardg-rass + ladino clover) was higher than other treatments. However, when compared DM yields on each cut-ting times, newly oversown pastures in A treatment was shown to be significantly higher only on 2nd outting time than other treatrnents(P<0.05). The DM yield of native plants survived in basic species mix-ture was significantly less than those of other mixtures(P<0.05). Results of this study indicate that for improving oversown pastures, at least 300 kg/ha N application should be applied, and basic mixture (orchardgrass+ ladino clover) has more advantage than treatments mixed with ryegrass.
백강현,윤기영,최호정,정성목,이영원,조성환,박성준 忠南大學校 獸醫科大學 附設 動物醫科學硏究所 2011 動物醫科學硏究誌 Vol.18 No.1
Fine needle aspiration(FNA) cytology is considered as the diagnostic technique of choice in the assessment of swellen lymph nodes. The aim of this study is to determine the indication and diagnostic method of FNA of lymph node lesions performed at Veterinary Medicine Teaching Hospital of Chungnam National University. The records of 16 patients which had undergone FNA during the study period were retrieved. The cytological results were classified as lymphadenitis, lymphoid hyperplasia and lymphoma. Lymphoma cases were classified as B-cell origin and T-cell by immunophenotyping. The result of the FNA cytological diagnosis showed that nine (56%) of the patients were lymphoma, five (31%) of the patients were lymphoid hyperplasia and two (13%) of the patients were lymphadenitis.
대전시 3 대 하천의 수질 및 식물플랑크톤상에 관한 연구
강창민,이상명,엄준식,이정희,이호원,홍춘표 한국환경과학회 2000 한국환경과학회지 Vol.9 No.4
The studies on physico-chemical factors and phytoplankton at the 3 rivers in the Taejon city were conducted from November 1997 to May 1998. The Results were as follows; In the water quality, the down streams were generally worse than the upper streams. Water temperature was varied from 2.4℃ to 23.0℃; DO from 1.80㎎/ℓ to 17.6㎎/ℓ ; pH from 4.7 to 10.4 ; BOD from 0.78㎎/ℓ to 8.80㎎/ℓ; COD from 0.32㎎/ℓ to 8.26㎎/ℓ ; SS from 2.0㎎/ℓ to 43.0㎎/ℓ ; total phosphate was from 0.001㎎/ℓ to 0.709㎎/ℓ ; total nitrogen 0.01㎎/ℓto 11.69㎎/ℓ . In phytoplankton species, they were identified as total 191 taxa composed of 8 classes, 18 orders, 35 families, 74 genera, 152 species, 35 varieties and 4 forms. The dominant species were Synedra ulna in Taejon-chon, Diatoma vulgare in Yudong-chon, Oscillatoria princeps, Scenedesmus gadricauda, Synedra ulna, and Diatom vulgare in Gap-chon. Standing crops of phytoplankton were from 2,076 cells/㎖ to 97,356 cells/㎖.
姜昌鎬,李鎭伊,柳晟基,朴俊哲 慶尙大學校生産技術硏究所 1999 生産技術硏究所論文集 Vol.15 No.-
This study deals with effects of surface treatment on the bending fatigue strength of SCM420 spur gears. We manufactured gears using manufacture processes that are currently used in most gears manufacturing companies, we applied heat-treatment, and then we applied shot peening. In addition, we investigated the effect these surface-treatments had on hardened layer and compression residual stress in the risk section of the teeth. The fatigue test at a constant stress amplitude is performed by using an electrohydraulic serve-controlled pulsating tester. The S-N curves are obtained and illustrated. We investigated the effect of surface-treatment on fatigue strength and the position of crack of gear teeth.
전남 동부권 패밀리레스토랑 음식서비스질과 만족의 관계에 미치는 가치의 조절효과
강종헌,이준호 한국조리과학회 2004 한국식품조리과학회지 Vol.20 No.6
The purpose of this study was to test the moderating effect of value on relationship between foodservice quality and satisfaction in family restaurant. Accordingly, this study surveyed by questionnaire concerning 18 items of foodservice quality, 1 item of overall satisfaction, 1 item of value as well as respondents' characteristics. The result of this study were as follows. KMO and Bartlett's test statistics showed that the data fitted factor analysis well. Results of factor analysis, average variance extracted estimates and shared variance showed that the convergent and discriminant validitys of 4 factors were supported, and cronbach's alpha showed that the internal consistency of 4 factors was supported. It was found that satisfaction was influenced by the interaction between 4 factors of service quality and value rather than by either service quality or value directly. Finally, The results indicated that high level of service quality might not lead customer satisfaction because of moderating effect of value.