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김종열,김보철,김경철,최광환,금종수 동의공업대학 1998 論文集 Vol.24 No.1
Research on unused energy continues due to the limits of fossil fuel and the destruction of the environment. Therefore this study was performed as follows. The collectable amount of exhausted heat for an air-conditioning was calculated by the subway thermal environment prediction program. And the electric power needed by conventional heat source equipment was compared with one by unused heat source equipment when the exhausted heat was used by heat pump in heating and hot water supply. The results are summarized as follows 1. Forced ventilation should be conducted to keep optimal temperature in the subway tunnel in summer as well as in winter. According to the simulation, the temperature in tunnel was higher than that on the ground in summer when the forced ventilation was conducted only in the winter. 2. Ventilating time should be calculated out to the optimal condition for not only the saving power of the ventilation fan but reusing exhausted heat. By the simulation, it is certain that the exhausted heat should be eliminated in air-conditioning time. 3. The use of the exhausted heat source heat pump could save 8% of electric power per hour in comparison with existing heat pump. This was based on a present heat generation and traffic for ventilating time of general air-conditioning, but could be different by ventilating time. 4. As the traffic increases up to 1.5 or 2 times, electric power consumption of the conventional heat pump increases to 11% or 13.5% per mean hour in comparison with that of the exhausted heat source heat pump, though all-day ventilation.
태양열 이용 냉난방 공조시스템 중 재생기의 하계 재생 능력에 관한 연구
김보철,최광환,금종수,김경철,김종렬 동의공업대학 1998 論文集 Vol.24 No.1
The humidity control is conducted not only for industrial applications but also for domestic ones. High humidity is a factor causing discomfort, thus the importance of using a LiCl(Lithium Chloride) solution has been recognized in recent years in connection with the high quality of goods to be manufactured. as well as cleanliness in a special environment against air pollution and environmental protection. This paper will examine the solar energy regenerator as a part of an open cycle solar energy absorption system for dehumidifying and drying purposes using LiCl solution. An outdoor experiment was done to find out how much could be regenerated in summer. It was found that regeneration rate was about 10kg/day at best in August, and about 5kg/day in September.
金鍾桓,金哲源,朴炳烈 圓光大學校 韓醫學硏究所 1993 원광한의학 Vol.3 No.1
This study was carried out in order to secure th foundamental material on the conceptive completetion which is able to apply to sterility, contraceptive methodog and family planning practically in a view of Oriental Medicine. As I researched the contents written in 30 kinds of classical literatures from Whangjaenaikyung(黃帝內經) to the Chung(淸) dynasty. The results of the study are as follows. 1. The conception is supervised by the Kidney(腎) which is the visera have a reproductive function in male and female and the place where the conception is forfomed directly is the Uterus(女子胞). 2. 20 years of age off and on is a mature period of Yin(陰) and YANG(陽) and from that is the suitable periods for the conception. 3. The conditions, regulation of menstral disturbances(調經) and beginning of sexual fuction(天癸) for female, invigoration of sperms(壯精; to promote the Kidney function for increasing vilility and sexual potency of the male) by tonifying the Kidney(補腎) for male, Tao of aggregation for semen(聚精之道), that of obtainment for species(種子之道) and so, are neccesary for the conception. 4. The fetus is formed by reciprocal cohension of Chung(精) and Hyeol(血), with a according that Chung(精) and Hyeol(血) is respectively explained to a sperm and a ovum. 5. Because of having cyclic changes of ovary which is extremely susceptible to fertilization namely ovulation period. If sexual intercourse, female can make the fetus surely. Thus that period is called inonzyhu(絪蘊之候), geokhu(的候) and kagi(佳期) in Oriental Medicine. It is thought that the obtained results will be help to treatments of clinical diseases on the associated with the conception and family planning. So further study on this is desired continuosly.
雙補丸이 卵巢摘出로 骨多孔症을 誘發한 흰쥐에 미치는 영향
朴鍾元,崔相淳,金哲源,朴炳烈 한국전통의학연구소 2000 한국전통의학지 Vol.10 No.1
Aging is characterized by an age-dependent reduction in bone density. Pronounced bone loss by postmenopausal estrogen deficiency induces a bad effect on dynamic balance of bone metabolism. The purpose of this study is to examine what are the effects of the Ssangbohwan(SBH) on the ovariectomized rat model of postmenopausal osteoporosis. The results were summarized as follows : 1. Body weight in control group showed significant increase in comparison with sham, but that in SBH-treated showed no change in comparison with control. 2. The level of serum albumin in control group showed significant decrease in comparison with sham. That in SBH-treated was slightly decreased in comparison with control, which showed no efficacy. 3. The level of serum ALP activity in control group showed significant increase in comparison with sham, but that in SBH-treated was slightly decreased in comparison with control, which showed no efficacy. 4. The level of serum phosphorous in control group showed significant increase in comparison with sham, but that in SBH-treated showed no change in comparison with control. 5. The level of serum calcium in control group showed no change in comparison with sham, but that in SBH-treated was significantly decreased in comparison with control. 6. The level of serum T3 in control group showed no change in comparison with sham, but that SBH-treated showed significant decrease in comparison with control. 7. The level of serum T4 in control group showed significant increase in comparison with sham, and that in SBH-treated showed significant decrease in comparison with control. 8. Trabecular tibia strength in control group showed significant decrease in comparison with sham, but that in SBH-treated was slightly imcreased in comparison with control, which showed no efficacy. According to the above these results, SBH has shown to be capable of preventing and curing osteoporosis caused by old-aged and postmenopause
Heterologous Reconstitution of Omega-3 Polyunsaturated Fatty Acids in <i>Arabidopsis</i>
Kim, Sun Hee,Roh, Kyung Hee,Park, Jong-Sug,Kim, Kwang-Soo,Kim, Hyun Uk,Lee, Kyeong-Ryeol,Kang, Han-Chul,Kim, Jong-Bum Hindawi Publishing Corporation 2015 BioMed research international Vol.2015 No.-
<P>Reconstitution of nonnative, very-long-chain polyunsaturated fatty acid (VLC-PUFA) biosynthetic pathways in <I>Arabidopsis thaliana</I> was undertaken. The introduction of three primary biosynthetic activities to cells requires the stable coexpression of multiple proteins within the same cell. Herein, we report that C<SUB>22</SUB> VLC-PUFAs were synthesized from C<SUB>18</SUB> precursors by reactions catalyzed by Δ<SUP>6</SUP>-desaturase, an ELOVL5-like enzyme involved in VLC-PUFA elongation, and Δ<SUP>5</SUP>-desaturase. Coexpression of the corresponding genes (<I>McD6DES, AsELOVL5</I>, and <I>PtD5DES</I>) under the control of the seed-specific vicilin promoter resulted in production of docosapentaenoic acid (22:5 n-3) and docosatetraenoic acid (22:4 n-6) as well as eicosapentaenoic acid (20:5 n-3) and arachidonic acid (20:4 n-6) in <I>Arabidopsis</I> seeds. The contributions of the transgenic enzymes and endogenous fatty acid metabolism were determined. Specifically, the reasonable synthesis of omega-3 stearidonic acid (18:4 n-3) could be a useful tool to obtain a sustainable system for the production of omega-3 fatty acids in seeds of a transgenic T3 line 63-1. The results indicated that coexpression of the three proteins was stable. Therefore, this study suggests that metabolic engineering of oilseed crops to produce VLC-PUFAs is feasible.</P>
INVESTIGATION OF SUBSURFACE CAVITIES UNDER PAVEMENT STRUCTURES WITH DYNAMIC CONE PENETROMETER TESTS
Jong Ryeol Kim 대한교통학회 1998 大韓交通學會誌 Vol.16 No.2
이 논문은 포장체 하부구조내 공동(空洞)현상에 대한 위치를 규명하는데 있어서 신속하면서, 간단하고 신뢰성있는 방법을 제시하고자 한다. 동적관입시험(DCP)을 사용하여 콘크리트 슬라브하부의 노상토에 대한 강도를 측정하였다. 타격회수에 대한 침하의 양으로 측정되는 동적관입침하율을 비교하여 포장체하부의 연약지반에 대한 위치를 규명하였다. 콘크리트 포장체 하부의 공동(空洞)현상 및 연약화된 노상토에 대한 정보를 얻고자 하는 엔지니어를 위하여 시험방법 및 결과분석 등을 현장시험을 통하여 체계적으로 설명하였다.
Kim Jong-Ryeol 한국물리학회 2023 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.82 No.10
The asymmetric strain induced efects of (0001) GaInN∕GaN quantum well structures fabricated on a stripe shaped cavity engineered sapphire (SCES) substrate were theoretically investigated, as a function of indium (In) mole fraction. The results showed remarkable enhancements on the light output intensity and in-plane polarization ratio. When the strain relaxation occurs in the y direction, the peak intensity of linearly polarized light in the x direction increases considerably, while the peak intensity of linearly polarized light in the y direction decreases. This can be attributed to the increment of the optical transition matrix element of x polarized light, which occurs due to the increment of the magnitude of the light hole (LH) wave-function with a negative sign in the y direction, as a consequence of the strain relaxation. The in-plane polarization ratio continues to increase steadily with the increase of strain relaxation, and the rate of increase is more noticeable in QW structures especially in the region of high indium mole fraction.