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담양(潭陽)-진안(鎭安)사이에 분포(分布)하는 엽리상화강암류(葉理狀花崗岩類)에 대(對)한 암석화학적(岩石化學的) 연구(硏究)
김정빈,김용준,홍세선,Kim, Cheong-Bin,Kim, Yong-Jun,Hong, Sei-Sun 대한자원환경지질학회 1990 자원환경지질 Vol.23 No.1
Foliated granites between Damyang and Jinan are subdivided into Daegang foliated granite, Foliated hornblende biotite granodiorite, Sunchang foliated granodiorite, Foliated two mica granite and Samori foliated granite by mineral and texture. From EPMA data of the foliated granites following results are achieved. Composition of plagioclase are correspond to andesine, oligoclase and albite in Foliated hornblende biotite granodiorite, Sunchang foliated granodiorite and other foliated granites, respectively. And amphiboles are calcic hornblende in Foliated hornblende biotite granodiorite, and riebeckite in Daegang foliated granite. In differentiation index(D. I.) and Larsen index(L. I.), Daegang foliated granite, Foliated two mica granite and Samori foliated granite which belong to granite are 83.12-95.54 and 25.86-29.05 and Foliated hornblende biotite granodiorite and Sunchang foliated granodiorite of diorite to granodiorite are 54.99-78.54(D. I.) and 6.48-21.01(L. I.). Harker and AMF diagrams plotted from foliated granites show that the granites are product of calc alkali rock series orignated from co-magma. Characteristic foliation of foliated granites fromed by ductile deformation at deep zone of dextral strike slip fault. Foliated granites are considered as a series of differentiated product of Triassic Igneous activity of Songrim disturbance. According to REE, (La/Lu) and Eu/Sm, Foliated hornblende biotite granodiorite and Sunchang foliated granodiorite are correspond to granodiorite, and other foliated granites are monzo-and syeno-granite. Foliated granites having 0.20-0.01 of Em/Sm ratio are plutons emplaced by the tectonic setting in continents and continental margin.
담양(潭陽)-진안(鎭安)사이에 분포(分布)하는 엽리상화강암류(葉理狀花崗岩類)에 대(對)한 지질시대(地質時代)와 성인(成因)에 관(關)한 연구(硏究)
김정빈,김용준,Kim, Cheong Bin,Kim, Yong Jun 대한자원환경지질학회 1990 자원환경지질 Vol.23 No.2
Plutons of Damyang-Jinan area consist of gray feldspar granite gneiss, biotite granite gneiss, foliated granites, Namweon granites, gabbro, biotite granite and Ogangri granite in term of mineralogical, texture and field evidence. From Isotope data of study area, chronological order of the Plutons are the Pre-cambrian gray feldspar granite gneiss(Ar39-Ar40, hornblende, $1998.4{\pm}8.3Ma$), middle to late Triassic Daegang foliated granite(Rb/Sr, whole rock, $288{\pm}4Ma$), foliated hornblende biotite granodiorite(K/Ar, hornblende, $198.7{\pm}9.9Ma$), Sunchang foliated granodiorite(Rb/Sr, whole rock, $222{\pm}4Ma$), foliated two mica granite, Samori foliated granite and Namweon granite(Rb/Sr, whole rock, $211{\pm}3Ma$: K/Ar, hornblende, $203{\pm}10.2Ma$), middle Jurassic Gabbro(K/Ar, hornblende, $180.7{\pm}9MA$) and biotite granite, and Cretaceous Ogangri granite. According to variations diagrams of $Al_2O_3$ versus normative PI(100 An)/(Ab+An), Daegang foliated granite is plotted on tholeiitic series, and other foliated granites on calc alkaline rock series which are consider to be formed by magmatism at continental margin and island arc region. And alkalinity versus $SiO_2$ shows that Daegang folited granite and Samori foliated granite are correspond to alkaline region, foliated hornblende biotite granodiorite and Sunchang foliated granodiorite to calc alkaline region, and foliated two mica granite to both regions. According to ACF diagrams, Daegang and Samori foliated granites are plotted on S-type. Foliated hornblende biotite granodiorite and Sunchang foliated granodiorite on I-type, and foliated two mica granite on both type. Foliated granites are a series of differentiated products from cogenetic magma, and effected under ductile sheared zone. Characteristic foliation of foliated granites are considered to be generated by dextral strike slip faulting and ductile shearing.
연구논문 : 피조개의 항산화 활성과 Acetylcholinesterase 저해 활성
김정빈 ( Jeong Been Kim ),김재민 ( Jae Min Kim ),이영민 ( Young Min Lee ),백인석 ( In Seok Baek ),이승철 ( Seung Cheol Lee ) 한국식품조리과학회(구 한국조리과학회) 2014 한국식품조리과학회지 Vol.30 No.2
국내 연안에서 널리 양식되고 있는 피조개의 생리적 기능성을 발굴하기 위하여 항산화능과 acetyl cholinesterase 저해 능을 측정하였다. 피조개 분말로부터 메탄올 추출물을 제조하고, 이로부터 극성에 따라 hexane, diethyl ether, ethylacetate, 그리고 물 분획물을 얻었다. DPPH 라디칼 소거능, ABTS 라디칼 소거능, 환원력으로 항산화능을 분석한 결과,각 활성은 한 분획물에 치중되지 않았지만 물 분획물에서 비교적 높았다. 그러나 acetyl cholinesterase 저해능은 diethylether 분획물에서 높게 측정되었다. 이로서 항산화능과 acetyl cholinesterase 저해능에 관여하는 다양한 물질들이 피조개에 함유되어 있음을 확인하였다. Ark shell (Scapharca broughtonii; Korean name, pijogae) is one of the most widely cultivated and consumed shellfishes in Korea. The purpose of this study was to evaluate the antioxidant activity and acetylcholinesterase inhibitory activity of ark shell. After preparing the methanol extract of ark shell powder, the extract was subsequently fractionated by hexane, diethyl ether, ethyl acetate and water. The antioxidant activity evaluated by DPPH radical scavenging activity, ABTS radical scavenging activity and reducing power was relatively higher in the water fraction; however, the activity was spread out in all fractions. Acetylcholinesterase inhibitory activity was the highest in the diethyl ether fraction. Taken together with the results of both antioxidant and acetylcholinesterase inhibitory activities, it can be suggested that different kinds of physiological compounds were contained in the ark shell.
유치원 교사의 미술활동 내용교수지식(PCK)이 교수 실행에 미치는 영향
김정빈(Jeong-Bien Kim),홍순옥(Soon-Ock Hong),김형재(Hyoung-Jai Kim) 한국산학기술학회 2014 한국산학기술학회 학술대회 Vol.2014 No.2
본 연구에서는 유치원 교사의 미술활동 내용교수지식이 반영된 체계적인 프로그램을 개발하기 위한 기초연구로 그들의 경력에 따른 미술활동 교수 실행의 차이를 분석하고, 유치원 교사의 미술활동 내용교수지식이 교수 실행에 미치는 영향을 알아보고자 한다. 연구대상은 유치원 교사 313명을 대상으로 하였으며, 미술활동, 내용교수지식, 미술활동 내용교수지식에 관한 선행연구들을 고찰한 내용을 기초로 본 연구자가 재구성한 설문지를 사용하였다. 연구결과, 첫째, 경력이 적은 교사와 그렇지 않은 교사 사이에 미술활동의 목표, 미술활동의 유형, 미술활동의 체계, 미술의 요소 및 원리 등 모든 영역에서 유의한 차이를 보였다. 둘째, 유치원 교사의 미술활동 내용교수지식과 교수 실행은 밀접한 관계를 가지고 있으며, 교사의 내용교수지식이 교수 실행에 긍정적인 영향을 미치는 것으로 나타났다.