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Circuit Weight Training이 여윈 여고생의 혈청 항산화 작용에 미치는 영향
이재규,한재웅 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.4
The purpose of this study was to determine the effects of Circuit Weight Training(CWT) serum antioxidant activity in lean high school girls. The subjects were 10 lean highschool girls(BMI<19㎏/㎡). They were to perform the Circuit Weight Training with 40~55% intensity of 1RM, for 50 mins/day, 3 times/week during 12 weeks, Before and after training 10 ㎖ blood was extracted from the antecubital vein of each subject for the purpose of analyzing its effects on serum antioxidant activity. The conclusion of this study is as follows: 1. In serum antioxidant activity profile after 12-week Circuit Weight Training was increased significantly in H₂ O₂ OH, MDA. 2. In serum antioxidant activity profile after 12-week Circuit Weight Training was decreased significantly in Uric acid.
Consideration of Diluents Selection and Input Amounts of the Hunter Process for Tantalum Production
Jae‑Jin Sim,Sang‑Hoon Choi,Yong‑Kwan Lee,Sung Gue Heo,Taek‑Soo Kim,Seok‑Jun Seo,Kyoung‑Tae Park 대한금속·재료학회 2021 METALS AND MATERIALS International Vol.27 No.7
Tantalum (Ta) is a heavy refractory metal with an atomic weight of 180.95 g/mol, a density of 16.6 g/cm3, and a high meltingpoint of 3017 °C. With its refractory characteristics, it shows excellent chemical and physical stability as well as corrosionand heat resistance at elevated temperatures. The demand for Ta metal and related compounds is increasing with the expansionof the electronics and chemical industries. The Hunter process was proven to be effective in producing Ta powder in1953. Hunter proposed a method in which potassium heptafluorotantalate (K2TaF7) was reduced by sodium (Na). Thus far,this process has been the primary commercial method to produce Ta powder. In this study, quantitative differences wereanalyzed for diluent selection. Additionally, consideration was given to changes in the caloric value depending on the inputamount of diluents. Finally, the optimum material input and the properties of the prepared Ta were analyzed. Stoichiometricratios of K2TaF7(1 mol), NaCl (6.2–6.7 mol), Na (5–7 mol) were weighed, to perform a metallothermic reduction reaction. After the reaction, the tantalum powder was recovered and the flush process was carried out. After that, it was dried in avacuum atmosphere. Physical properties such as oxygen concentration, PSA, ICP-OES, and XRD of powder were conductedto evaluate the characteristics of Ta powder that was finally manufactured.
2元系反應擴散における異相界面移動に關する 界面反應と局所平衡
李贊揆,尹在弘,下崎敏唯,大西正已 창원대학교 공작기계기술연구센터 1999 연구업적집 Vol.1 No.1
A moving phase boundary under the influence of binary reaction diffusion has been represented by the following flux equation; (Ji)αβ- (Ji)βα =-[(Ci)αβ-(Ci)βα]υ. If Ji is identical with the flux defined by Fick's first law, the boundary never moves. Other types except the Fick's flux, i.e., the fluxes relative to the phase boundary are introduced. Interfacial reaction and a local equilibrium state as non-equilibrium phenomena are discussed from the stand point of the flux balance at the phase boundary, Usually, interfacial reaction causes the boundary migration controlled by diffusion. The migration depends on the magnitude of a free energy difference developed at the boundary. As a special case the boundary moves under the existence of a local equilibrium state at the boundary without the interfacial reaction. The movement at the state arises from the Kirkendall effect.
포도당 섭취와 운동이 인슐린과 글루카곤 호르몬에 미치는 영향
이재규,고기준,박정근 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.2
The purpose of this study in to find out how oral injection glucose effect blood-glucose and hormone. To conduct the study seven healthy male students were chosen as subject, when each subject oral injected glucose and non-injected exercise of 30minutes with 60%HRmax the comparative analysis of the progressive change in their blood-glucose and hormone is as follows: 1) When oral injected glucose and non-injected significantly of blood-glucose did not present, as compared pre-exercise with post-exercise and recovery 30minutes change presented significantly. 2) When oral injected glucose and non-injected significantly of blood-insulin did not present, as compared pre-exercise with post-exercise and recovery 30minutes change presented significantly. 3) When oral injected glucose and non-injected significantly of blood-glucagon presented as compared pre-exercise with post-exercise and recovery 30minutes change presented significantly. Therefore when oral injected glucose blood-glucose and insulin did not present change, blood-glucagon presented many change.
Circuit Weight Training이 비만 여고생의 신체조성 및 혈청지질에 미치는 영향
한재웅,고기준,이재규 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.2
The purpose of this study was to determine the effects of Circuit Weight Training (CWT) on body composition and serum lipids in obese high school girls. The subjects were 11 obese highschool girls(BMI≥27㎏/㎡). They were to perform the Circuit Weight Training with 40~55% intensity of 1RM, for 50 mins/day, 3 times/week during 12 weeks. Before and after training, 10 ml blood was extracted from the antecubital vein of each subject for the purpose of analyzing its effects on serum lipids. The conclusion of this study is as follows : 1. In body composition and anthropometry profile after 12-week Circuit Weight Training was decreased significantly in %fat, BMI, body weight but LBM had no statistical signification. 2. 1. In serum lipid profile after 12-week Circuit Weight Training was increased significantly in TC, HDL - C and decreased significantly in PL but LDL - C had no statistical signification.
2×2 교차설계에 의한 생물학적 동등성 시험에서 결측치가 있을 때의 통계적 해석 방법
박상규,이재영,최성업,윤미경,이재휘,최영욱 한국약제학회 2004 Journal of Pharmaceutical Investigation Vol.34 No.5
Statistical interpretations in a bioequivalence trial are considered and studied when the missing observations occurred in 2 × 2 crossover experiment. Patel (1985) suggested the approximate test procedures for carryover effect and drug effect in 2 × 2 crossover design when some of data are missing in the second period. A modified Patel method is newly pro-posed to the bioequivalence trial and it is compared with the current method through the simulation study.
여고 테니스 우수선수와 비우수선수의 호흡순환기능에 관한 연구
고기준,이재규,김종인,이광무,한재웅,신군수,김태운,안병철,문혜경 釜山大學校 附設 體育科學硏究所 1999 體育科學硏究所 論文集 Vol.15 No.-
The purpose of this study was to evaluate a study on Cardiorespiratory Functions of Elite Tennis Player and Non-Elite Tennis Player in Female High-School. The subjects were included 2 group(each group n=7); Elite Tennis Player group and Non-Elite Tennis Player group. The conclusion of this study was as follows: 1. Elite Tennis Player group showed significantly high in VO2max(p<.001) 2. Elite Tennis Player group showed significantly high in VCO2(p<.001) 3. Elite Tennis Player group showed significantly high in VO2max/kg(p.05)
Circuit Weight Training이 비만 여고생의 혈청 항산화 작용에 미치는 영향
여남회,이재규 東亞大學校附設스포츠科學硏究所 2004 스포츠科學硏究論文集 Vol.22 No.-
The purpose of this study was to determine the effects of Circuit Weight Training(CWT) serum antioxidant activity in obese high school girls. The subjects were 11 obese highschool girls(BMI?27kg/m²). They were to perform the Circuit Weight Training with 40~55% intensity of 1RM, for 50 rains/day, 3 times/week during 12 weeks. Before and after training, 10 me blood was extracted from the antecubital vein of each subject for the purpose of analyzing its effects on serum antioxidant activity. The conclusion of this study is as follows: 1. In serum antioxidant activity profile after 12-week Circuit Weight Training was increased significantly in H2 02, ·OH, MDA. 2. In serum antioxidant activity profile after 12-week Circuit Weight Training was decreased significantly in GSH, Uric acid.