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李守根,李起男 圓光大學校 韓醫學硏究所 1995 원광한의학 Vol.5 No.1
This study was performed to find out the antitoxic effects of Pachymae hoelem against cadmium chloride poisoning. The experimental mice were divided into 4 group, and three dose groups of Pachymae hoelem. Each group was administered with different dose of Pachymae hoelem such as 0.1g, 0.5g, 2.5g/kg wet weight in pallets for four and eight weeks. Cadmium chloride was administered by 200mg/kg body weight mouse per day of metallothionein after giving the challenge dose, cadmium, metallothionein concentractions and histopathological changes were determined. The results were summarized as follows; 1. The combined administration of Pachymae hoelem and cadmium significantly more decreased cadmium concentration in kidney compared to the administration of cadmium only.(p〈0.05) 2. The combined administration of Pachymae hoelem and cadmium significantly more increased renal metallothionein compared to administration of cadmium only (p〈0.05) 3. When kidney and liver tissues were observed with as optical microscope, no obvious changes were visible in those tissues.
Knowles의 자기 주도적 학습모형을 기반으로한컴퓨터그래픽 교과 교수-학습 모형
이수근,고성진,김용성 차세대컨버전스정보서비스학회 2012 차세대컨버전스정보서비스기술논문지 Vol.1 No.1
The teacher should do their best to understand the differences of student's capabilities individually. Namely, the role of teachers in the information-oriented era is being altered from a simple messenger of knowledge to the helper of learning initiatively and voluntarily. Therefore, the teacher should recompose the contents of instruction according to their student's learning level, choose appropriate teaching media, teaching methods and places, thus helping students study by themselves. 본 논문에서는 실업계 고등학교 학생들을 대상으로 실습을 많이 요하는 그래픽수업 교과에 웹을 어떻게 적용시켜야 할 것 인지와 현재의 교육 환경에서 가장 적절한 교수-학습 모형을 모색 하여 컴퓨터그래픽 교수-학습 시스템의 컨텐츠 설계 및 구현한다. 구현된 컨텐츠는 현장에 적용한 후 학업성취도 변화와 자기 주도적 학습 능력 향상을 연구하는 동시에 개발자에게는 개발에 필요한 기초 자료를 제공하는데 그 목적이 있다.
설탕 및 사료의 파지혼용 크라프트 지대 개선에 관한 연구
이수근,Lee, Soo-Keun 한국포장학회 1999 한국포장학회지 Vol.5 No.2
This study was carried out to investigate improvement of kraft paper sack mixed with recycled paper for sugars and assorted feeds. Four Plies of kraft paper mixed with recycled paper(basis weight : $80g/m^2$) were taken place of two plies of kraft paper made from all pulp(basis weight : $98g/m^2$) and one ply of kraft paper mixed with recycled paper(basis weight : $80g/m^2$) for sugar 30kg. Three Plies of kraft paper mixed with recycled paper(basis weight : $80g/m^2$) were taken place of two plies of kraft paper made from all pulp(basis weight $98g/m^2$) for sugar 15kg and assorted feed 25kg. Physical properties, tensile strength, internal tearing strength and bursting strength, were improved by exchanging kraft paper mixed with recycled paper for kraft paper from all pulp and so kraft paper sacks made from all pulp were no damage in handling. They had so high friction coefficient that there was no danger of collapse on pallet by slipperiness in transportation and handling. And they had high printability so disappearance of printing by the contact with other paper sack in transportation was not found.