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인삼 분말이 Prolactin 홀몬 분비에 미치는 효과
김종형(J. H. Kim),백덕우(D. W. Baik),이해룡(H. Y. Lee) 한국생약학회 1984 생약학회지 Vol.15 No.1
Ginseng root (Panax ginseng C.A. Meyer) has been used as a tonic in oriental medicine from ancient times and a variety of oriental medical prescriptions containing ginseng are still popular up to the present. It is believed that the effects of ginseng are due to some of the saponin fractions from the plants. Nowadays chemical and pharmacological activities of ginseng are actively studied by a number of investigators. The present study was involved with the action of prolactin secretion from anterior pituitary gland by ginseng saponin since it was handled down by tradition that ginseng might influence on the milk secretion when it was given to nursing mother. To investigate the effect of ginseng powder on the prolactin production, male adults studies were carried out. Ginseng powder was given to male adults twice a day and the amount of porlactin in plasma was detemined by radioimmunoassay technique. For prolactin assay by RIA, Abbott human rolactin were used as a standard. The results indicated that it was found any changes in prolactin plasma levels were not observed in male adults who ginseng powder were given orally for 2 and 3 months.
체육교사의 언어적 의사소통 유형이 체육교과 태도 및 체육 수업 만족도에 미치는 영향
김종형(Kim, Jong-Hyung),정아람(Jung, A-Lam),김태형(Kim, Tai-Hyung) 한국체육과학회 2016 한국체육과학회지 Vol.25 No.5
The purpose of this research is to explore the methods in which the physical education teachers listen to the students’ opinions and communicate with them and to present the answers to the question of effective communication methods. first, the results of the analysis of the differences in the attitude toward the physical education according to the physical education teachers’ linguistic communication types showed that, in the accepting and urging communication type, the mean value was the highest in the positive emotion, health and physical strength, physical activity movement, interpersonal relationship, active participation, and positive performance which are the subordinate factors of the attitude toward physical education subject, showing statistically significant differences. Second, the results of the analysis of the differences in the satisfaction with physical education classes according to the physical education teachers’ linguistic communication types showed that in the accepting and urging communication type, the mean value was the highest in the satisfaction with teaching behavior, the satisfaction with physical education environment, the satisfaction with physical education grade, and the satisfaction with exercise ability which are the subordinate factors of the satisfaction with physical education classes, showing statistically significant differences.
김종형(Jong Hyeong Kim),Chanh D. Tr. Nguyen 제어로봇시스템학회 2015 제어·로봇·시스템학회 논문지 Vol.21 No.12
Fast inspection of solder ball bumps in ball grid array (BGA) is an important issue in the flip chip bonding technology. Particularly, semiconductor industry has required faster and more accurate inspection of micron-size solder bumps in flip chip bonding, as the density of balls increase dramatically. In this paper, we describe an inspection approach of BGA balls by using 5-step ring illumination device and normalized cross-correlation (NCC) method. The images of BGA ball by the illumination device show unique and distinguishable characteristic contours by their 3-D shapes, which are called as “iso-slope contours”. Template images of reference ball samples can be produced artificially by the hybrid reflectance model and 3D data of balls. NCC values between test and template samples are very robust and reliable under well-structured condition. The 200 samples on real wafer are tested and show good practical feasibility of the proposed method.