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중국산 중생대 후기 거미화석(거미목 : 늑대거미과) 연구
김주필(Joo-Pil Kim),이형민(Hyung-Min Lee),이진숙(Jin-Suk Lee) 한국거미연구소 2016 한국거미 Vol.32 No.2
중국 지린성(吉林省) 남부 지역인 랴오위안(Liaoyuan) 탄광 도시인 중생대 후기 셰일(Shales) 지층인 Yixian층에서 발굴된 늑대거미과 일종인 Lycosidae sp를 보고한다. This paper report one species, Lycosidae sp. Type Specimen Lycosidae sp. was excavated from Lyaoyuan, Jilin China. Inside a stratum the Mesozoic eva (creataceous period). Type Specimen of Lycosidae sp. is deposite at the Joo-pil spider museum. Namyangjoo-si, Kyungi-do.
질산용액에서 Nitroaniline 류에 의한 Al-brass의 부식억제에 관한 연구
주석복,김면섭,이성하 漢陽大學校 環境科學硏究所 1992 環境科學論文集 Vol.13 No.-
0.1M 질산용액에서 nitroaniline류에 의한 Al-brass의 부식억제에 대하여 무게감량 실험, 분극실험, SEM사진 분석 등을 행하였다. Al-brass의 부식속도는 부식계의 온도와 억제제의 농도 그리고 부식억제제의 형태 등에 의존한다. 무게갈량실험과 분극실험을 통해 알아낸 부식억제 효율은 2-nitroaniline>3-nitroaniline>4-nitroaniline의 순이었다. 분극실험의 결과로부터 억제제의 농도가 증가할수록 부식전위는 noble한 방향으로 이동하며 양극 Rafel slope는 일정한 반면 음극 Tafel slope는 증가하여 전류밀도를 감소시키는 것으로 보아 억제제인 nitroaniline는 Al-brass의 음극반응을 억제하는 것을 알 수 있었다. SEM사진 분석에서는 Al-brass의 표면상태를 확인함으로써 각 억제제가 부식반응을 상당히 억제하고 있음을 알 수 있었다. 또한, Flory-Huggins adsorption isotherm의 도입으로 구한 열역학적 특성치로부터 억제제의 흡착형태 등을 알 수 있었다. The inhibition effect of nitroanilines of corrosion of Al-brass in 0.1M nitric acid has been studied by weight loss measurement, polarization method and scanning electron microphotographs. Corrosion rate of Al-brass was depended on concentration of inhibitor and and temperature. The order of inhibitor efficiency according to the position of the substitued group was 2-nitroaniline>3-nitroaniline>4-nitroaniline. The results obtained from weight loss measurements were agreed to those obtaind from polarization studies. Thermodynamic parameters obtained form Flory-Huggins adsorption isotherm showed strong interaction between inhibitor molecules and Al-brass surface.
남·여 중학생의 비만의식 및 체중조절 실태에 관한 연구
주석범 한국스포츠리서치 2003 한국 스포츠 리서치 Vol.14 No.6
This paper selected 148 middle school students as targets and studied the degree of obesity with BMI using height and weight for analyzing middle school student's consciousness about obesity and pattern and plan of weight control. Average height and weight of targets were 165.21㎝ and 56.98㎏ in case of man and 159.10cm and 51.68㎏ in case of woman. According to BMI, 35 persons among total were obese group and 113 persons were non-obese group including low-weight persons. When comparing BMI, the degree of man's obesity was higher than the degree of woman's one due to statistical significance. Although there is no relation between target's general environment and the degree of obesity, in obese group, their father's job was usually manager and technical worker and the degree of their brothers's obesity was high. Significance differences between targets' life patterns were sleeping hours a day, education of weight control in home and expense of light meal among allowance. It was surveyed that obese group had static leisure and their food control was performed well through recognizing their figure in comparison to none-obese group. The degree of obese group's satisfaction was lower than non-obese group's one and the state of preponderance of extraodinary weight was distinguished in obese group. For the consciousness of their figure, 25% of obese group recognized them as obesity and 12.5% of low-weight group recognized them as obesity so there was difference between actual figure and recognized figure. 23.5% of obese group experienced dietary treatment for weight control and 6.1% of non-obese group experienced it. In case of exercise cure, 45.7% of obese group and 22.1% of non-obese group exercised for weight control. Targets are usually trying weight control through dietary treatment and exercise and there was no case to take in drug. It was considered that the case to perform weight control through extreme method is still rare.
舶用補機 驅動用 TURBINE PUMP 의 軸 THRUST에 대한 考察
吳錫珠 군산대학교 1984 群山水産專門大學 硏究報告 Vol.18 No.3
When a different diffuser, which has the multiple step use, operates in combination with a low specific speed impeller, the diminishing efect of the axial thrust is affected by many factors. The summaries of the experimental results were as follows. 1.The characteristics of the axial thrust are different remarkably in the same impeller, depending on the performance of the diffuser. 2.The balance hole, even if it was very small, had a sufficient effect on the thrust diminution, but no effect on the characteristics of the thrust determined by the water flow. 3.The axial thrust of the return flow type was almost constant in rage of large discharge and the fringe of the constant flow could be expanded by installing the balance hole.
朴錫柱,金璇鎬 여수대학교 1992 論文集 Vol.6 No.-
In this paper we investigate distortion properties, coefficient bounds and the extreme points of serveral subclasses of convex function.
이석인,주희철 중앙대학교 스포츠과학연구소 2000 體育硏究 Vol.- No.13
Based on available literature, this study has found the results as follows. 1. Protein Supplementation For bodybuilders to increase their weight and muscle volume, it is effective to take suitable amount of anabolic amino acids, BCAA(branced chain amino acids, GH(growth hormone) amino acid, and glutamine amino acid. 2. Creatin Supplementation Based on availbable literature, short-term creatine supplementation enhances sprint performance as well as maximal strength and power during maximal effort muscle contractions. Moreover, long-term supplementation of creatine has been reported to promote significantly greater gains in strength, sprint performance, and fat free mass during training in comparison to matched-paired placebo group(Becque, B. et al, 1997). The only side effect of creatine supplementation during exercise performance is safe and effective. Therefore it is recommended that bodybuilders take protein supplementation and creatine supplementation during training to improve muscle development and enhance strength.
이현주,윤석권 同德女子大學校 1997 同大論叢 Vol.27 No.1
Some Korean traditional gruels contain Saealsim(rice ball). The Saealsim is made of glutinous rice usually. When such gruels are processed by industry, Saealsim must be stabilized by high temperature treatment and long term storage. In order to develop stabilized Saealsim, ratio of glutinous rice and nonglutinous rice of Saealsim and adding effets of six kinds of hydrophilic gums, two kinds prteins and two kinds of starches were investigated. The Saealsim in water was heated at 100℃ for 30 minuites and treated with repeating cycles of freezing and thawing. The solubles from Saealsim was determined, also Saealsim processed adding gums and proteins was evaluated by organolieptically. The moisture, crude ash and crude content in glutinous rice was slightly larger than those of nonglutinous rice. The amylose content of noglutinous rice was 23.7% and starch of glutinous rice was almost amylopectin. When the glutinous rice and nonglutinous rice were mixed differently at the ratio of 100 : 0, 75 : 25, 50 : 50, 25 :75 뭉 0 : 100, the solubles from Saealsim in retorted pouch at the ratio of 50 : 50 was smallest after six freeze - thaw cycles. When xanthan, guar, carrageenan, arabic gum, pectin and carboxymethyl cellulose was added to Saealsim, the solubles from Saealsim added xanthan gum was least therefore the xanthan gum was effetive to stabilized the Saealsim in water. When egg white, gelatin, pregelatinized starch and mungbean starch was added to Saealsim, the solubles from egg white was smallest. The optinum amount of xanthan and egg white added to Saealsim was evaluated 2% and 5% respectively. The interaction effect of xanthan and egg white was not observed. The sensory evaluation of taste, shape and texture of saealsim was flavored to the egg white 5% treatment.
柳碩柱,李聖喆,朴泰永,柳文集,金明昊,鄭宣根 단국대학교 1995 論文集 Vol.29 No.-
We studied 25 cases of patients with anterior knee joint pain without any other knee problems with a isokinetic evaluation technique using Cybex. The results are 1. The peak torques for the knee extensor muscles were decreased statistically 2. The peak torques for the knee flexor muscles were decreased relatively also but not statistically 3. TAE(Torque Acceleration Energy) values for knee extensor & flexors were all decreased from disuse atrophy 4. The torque curve for extensors showed decreased power around 30 degrees of knee flexion