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중·고등학생의 제 7차 기술·가정 교과 내용에 대한 인식
김경애,정난희,신부용 한국 가정과 교육 학회 2003 한국가정과교육학회지 Vol.15 No.2
본 연구의 목적은 제 7차 기술ㆍ가정 교과 내용을 학습자들이 어떻게 인식하고 있는가를 조사하고 사회인구학적 변인에 따라 필요도, 흥미도, 실생활에 도움을 주는 정도에 대한 인식의 차이가 있는가를 파악함으로써 기술ㆍ가정 교육의 효과를 극대화 시킬 수 있는 방안을 모색하기 위한 기초 자료를 제공하는데 그 목적이 있다. 조사대상은 광주광역시와 전라남도 중ㆍ고등학생 437명이었다. 조사도구는 질문지법을 사용하여 사회인구학적 변인 9문항, 기술ㆍ가정 교과내용의 영역별로 47개 내용 요소에 대해 필요도, 흥미도 및 실생활에 도움을 주는 정도에 대한 인식을 묻는 내용으로 구성하였다. 본 연구에서 얻어진 결과는 다음과 같다. 1. 기술ㆍ가정 교과 내용에 대한 필요도 인식이 높은 내용 요소는 ‘인터넷의 활용’, ‘나와 가족관계’, ‘청소년의 영양’ 순 이었다. 2. 흥미도에 대한 인식이 높은 내용 요소는 ‘인터넷의 활용’, ‘나의 주거 공간 꾸미기’, ‘나와 가족관계’ 순 이었다. 3. 실생활에 도움을 주는 정도에 대한 인식이 높은 내용 요소는 ‘인터넷의 활용’, ‘나의 주거 공간 꾸미기’, ‘나와 가족관계’ 순 이었고 ‘건설 구조물의 시공원리’, ‘산업의 이해’ 등은 낮았다. The purpose of this study was to investigate the recognition of middle and high school students on the 7th technology home economics curriculum. This study was carried out to understand the difference in the level of needs, interesting on the 7th technologyㆍhome economics curriculum and application on the life to maximize the effect of technologyㆍhome economics education by the socio-demographic factors. For this purpose, survey was conducted 437 students in the middle school and high school in Gwangju city and Jeonnam province. The survey was consists of items related with socio-demographic factors in 9 questions. The curriculum of technologyㆍhomes economic consist in the level of application and general tendency and level of needs in 47 different units. The major findings of this study are as follow. 1. The understanding of internet application, me and family relation, nutrition of youth were showed high perception in order in the level of needs on the technologyㆍhome economics curriculum. 2. The internet application, home life practice and me and family relation showed high perception in order in the level of interesting. 3. The internet application, home life practice and me and family relation showed also high perception in order that helps living life. And the understanding of architectural principles and industry and characteristics of materials showed low perception.
서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1997)
김재홍,문득곤,김정수,김용준,임동진,박상훈,김희성,이민수,송기훈,김갑형,김형석,성소영,이인섭,김석우,황지환,조창근,김경문,부태성 대한화학요법학회 2000 대한화학요법학회지 Vol.18 No.3
Background : In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. Objective & Methods : For the detection of a more effective therapeutic regimen and assessing the prevalence of PPNG, we have been trying to study the patients who have visited the Venereal Disease Clinic of Choong-Ku Public Health Center in Seoul since 1980 by means of the chromogenic cephalosporin method. Results : In 1997. 99 strains of N. gonorrhoeae were isolated, among which 45(45.5%) were PPNG. Conclusion : The prevalence of PPNG in Seoul, which had been decreased to 39% in 1996 after a peak of 74.3% in 1993, is increased to 45.5% in 1997.
부희정 ( Hee-jung Bu ),이선주 ( Sunjoo Lee ) 대한미용학회 2016 대한미용학회지 Vol.12 No.4
To identify new antioxidative and anti-wrinkle ingredients, this study characterized the biological properties, including radical scavenging and elastase inhibition effects, of the crude 80% methanol extract, its subfractions, and the quercetrin isolated from Cornus macrophylla Wall growing in Jeju island. The elastase inhibition activity of the 80% methanol extract and the fractions of both ethyl acetate and butanol showed stronger inhibition activity than Areca catechu extract (used as a reference). The 80% methanol extract and ethyl acetate fraction exhibited free radical scavenging activity on DPPH radical and superoxide with IC50 values of 6.8 μg/mL, 6.2 μg/mL and 1.6 μg/mL, 0.02 μg/mL, respectively, which were stronger than that of butylated hydroxyanisole (9.1 μg/mL) or allopurinol (2.2 μg/mL) as a reference. The ethyl acetate fractions were further purified using a reverse-phase column and prep-HPLC to obtain quercetrin, and its structure was elucidated by NMR. Quercetrin showed significant effects on scavenging DPPH radical and superoxide. These results suggest that the extract of Cornus macrophylla Wall has a considerable potential as a cosmetic ingredient with antioxidative and anti-wrinkle effects. Quercetrin can be used as a functional reference.
Song, Jung-Min,Bu, Jun-Oh,Ko, Hee-Jung,Kim, Won-Hyung,Kang, Chang-Hee The Korean Society of Analytical Science 2017 분석과학 Vol.30 No.4
In order to examine the variation characteristics of chemical compositions in relation to the inflow pathways of Asian dust, $PM_{10}$ and $PM_{2.5}$ aerosols were collected at Gosan site of Jeju Island during the Asian dust days between 2010 and 2015, and their chemical compositions were analyzed. The mean mass concentrations of $PM_{10}$ and $PM_{2.5}$ during Asian dust days were $130.0{\pm}90.2$ and $38.2{\pm}24.7{\mu}g/m^3$, respectively. The composition ratios of major secondary pollutants ($nss-SO_4{^{2-}}$, $NH_4{^+}$, $NO_3{^-}$) were high as 53.7 % for $PM_{10-2.5}$ and 90.6 % for $PM_{2.5}$. When the Asian dusts had been transported to the Korean Peninsula via Loess Plateau of central China, the concentrations of $nss-Ca^{2+}$, $NH_4{^+}$, $nss-SO_4{^{2-}}$, and $NO_3{^-}$ increased more noticeably. Whereas in case when the inflow pathways of Asian dust had been through the Bohai bay, the concentrations of the crustal species such as Al, Fe, and Ca were relatively high in coarse particles. The atmospheric aerosols were acidified largely by sulfuric and nitric acids. They were neutralized mainly by calcium carbonate in coarse particle mode passed through Manchuria area, but by ammonia in fine particle mode passed through Loess plateau and Bohai bay. Ammonium salts are assumed to exist as ammonium sulfate and ammonium nitrate in coarse particles, but mostly as ammonium sulfate in fine particles.