• Title/Summary/Keyword: Hot-Cold

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A study on characteristics for a resistive SFCL with gold layer (Gold층을 가진 저항형 초전도 한류기에 대한 특성연구)

  • Choi, Hyo-Sang;Hyun, Ok-Bae;Kim, Hye-Rim;Hwang, Si-Dole;Kim, Sang-Joon
    • 한국초전도학회:학술대회논문집
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    • v.9
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    • pp.348-351
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    • 1999
  • We investigated current limiting properties for an SFCL of YBCO thin film coated with an Au layer. The YBCO film of 1 mm wide and 400 nm thick could carry the current 9.6 A$_{peak}$ without quench. The SFCL limited the fault current below 7.6 A$_{peak}$, which otherwise increases above 65 A$_{peak}$ and melted down at the potential fault current of about 100 A$_{peak}$ which is 10 times greater than the quench current. This means that the Au layer successfully protected the superconducting film by dispersing the heat generated at hot spots and electrically shunting the YBCO film.

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Research about The Discourse on the Constitutional Symptoms and Diseases on The DongyiSuseBowon Gabobon (동의수세보원(東醫壽世保元) 갑오본(甲午本)의 병증론(病證論)에 관한 분석(分析))

  • Park, Seong-Sik;Han, Kyung-Suk
    • Journal of Sasang Constitutional Medicine
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    • v.14 no.1
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    • pp.34-50
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    • 2002
  • 1. Background and Purpose At the year of 2000, the society of sasang constitutional medicine acqired ${\ulcorner}$HamsanSachon DongyiSuseBowon GoboGubon${\lrcorner}$ which is presumed as the copy of ${\ulcorner}$GoboGubon${\lrcorner}$. According to Lee Sung-Su who is the great-grandson of DongMu's older brother, $[\ulcorner}$HamsanSachon DongyiSuseBowon GoboGubon${\lrcorner}$ was worked by Lee Jin-Yoon who is the grandson of DongMu's older brother and it was copied by Han Min-Gab and now is owned by Lee Sung-Su who is the son of Lee Jin-Yoon. 2. Method This paper was written in order to understand the character of the discourse on the constitutional symp toms and diseases of ${\ulcorner}$HamsanSachon DongyiSuseBowon GoboGubon${\lrcorner}$. 3. Result and Conclusion 1) Each constitutional symptoms and diseases is classed as that of exterior and interior and then classsed again as that of exterior's exterior, exterior's interior, interior's exterior and interior's interior. 2) The degree of completion is high at the chapter of Soeumin and Soyangin comparing with that of Taeeumin and Taeyangin which don't exist as the contrasted explanation. 3) Soeumin's exterior-disease is divided Taiyang(太陽) and Yangmyung(陽明)'s disease by the sweating, that's interior-disease is same to Sinchukbon(辛丑本). BaboBon already have the concept of UlKwang(鬱狂) and mangYang(亡陽), so the discourse on the constitutional symptoms and diseases of Soyangin is early establish comparing with other constitution. 4) The Cold and Hot, the constitutional symptoms and diseases, the disease theory of Soyangin can be accessible to opposite side of Soeumin's that. The disease of exterior's exterior is only explained abdominal pain and diarrhea without the concept of Mangeum(亡陰) disease, but at the time of SinchukBon the concept of Mangeum-disease is invented. 5) There is many different with SinchukBon that the classification of symptoms and diseases of Taeeumin, and not mentioned the physiology and pathlogy of the airs and fluids metabolism. 6) Healthy Energy(保命之主) show us that JungKi(正氣) is key-point of the utility of the symptoms and diseases.

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Analysis of the Patients and Treatment of Korean Medicine Hospital after Chemotherapy in Patients with Breast Cancer (유방암 환자의 항암화학요법 후 한방병원 입원치료에 대한 일개 한방병원 환자 특성 및 치료 고찰)

  • Kang, Su-Jin;Kim, Sun-Kyung;Yang, Geum-Jin;Hong, Ka-Kyung;Cho, Han-Baek
    • The Journal of Korean Obstetrics and Gynecology
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    • v.33 no.2
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    • pp.77-89
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    • 2020
  • Objectives: The purpose of this study is to analyse current status and treatment of the Korean medicine hospital after chemotherapy in patients with breast cancer. Methods: We investigated the medical records of 21 patients who admitted to Korean medicine hospital after chemotherapy in patients with breast cacner from March 1, 2017 to December 31, 2019. We searched medical records retrospectively and analyzed current status and treatment of Korean medicine hospital. Results: The average age of 21 participants was 52.81±8.38 years and 40s and 50s accounted for 85.6% of the total. After receiving chemotherapy, the average time to hospitalization was 1.87±3.13days and average hospital stay was 9.78±4.14 days. The subjects were classified as 28.6% of stage I, 52.4% of stage II, 9.5% of stage III, and 9.5% of stage IV. The analysis according to the presence of metastasis was 57.1% without metastasis, 33.3% with axillary lymph node metastasis, and 9.5% with distant metastasis. The main symptoms complained when hospitalized by 21 subjects were nausea (54.2%), fatigue (54.2%), and anorexia (50.8%) in over 50%, pantalgia (47.5%), and insomnia (47.5%), dizziness (44.1%), cold sweating (42.4%), lower extremity pain (40.7%), 37.5~37.9℃ fever (39.0%), headache (37.3%), hot flush (37.3%), pruritus (30.5%) are 30% or more. Korean medicine treatment was performed in 87.4% of all hospitalizations and Gwakhyangjunggi-san-gami was the most administered prescription. Extracts of Korean medicine was performed in 100.0% of all patients and Eunkyo-san was most administered extracts medicine. Acupuncture, moxibustion, and cupping treatments were performed in all 21 study subjects. Other treatments was performed at a frequency of hyperthermia (90.5%), lymph massage (23.8%), air compression therapy (23.8%), and Interference current therapy (19.0%) Conclusion: Korean traditional medicine can be used as a countermeasure for side effects after chemotherapy in breast cancer patients.

A comparative study on between Shanghanlun(傷寒論) and Sa-sang constitutional medicine(四象醫學) in Pathogenesis (상한론(傷寒論)과 사상의학(四象醫學)의 병기(病機)에 대한 비교연구(比較硏究) - 동의수세보원(東醫壽世保元) 변증론(辨證論)을 중심(中心)으로 -)

  • Lee, Kwang-Young;Park, Chan-Kuk
    • Journal of Korean Medical classics
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    • v.11 no.1
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    • pp.676-718
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    • 1998
  • After a comparative study on between Shanghanlun(傷寒論) and Sa-sang constitutional medicine(四象醫學) in Pathogenesis, I got a conclusion like this. Sa-sang consitutional medicine(四象醫學) changed the directions to the medicine in the center of personality from the medicine in the center of Shanghanlun(傷寒論)'s demonstration, devided the personality of people by the size of Organ system(臟腑) into 4types of Tae-eum, Yo-yang, Tae-yang, Yo-eum(太少陰陽), and explains all the course of physiology, pathology, diagnosis, therapy of the body on the point of constitutional view. Comparing the features of two medicines, Shanghanlun(傷寒論) and Sa-sang constitutional medicine(四象醫學), Shanghanlun(傷寒論) devided the diseases into the three type of eum-yang based on eight principal syndroms(八綱原理), in accordance with evidence of illness, pulse and studied the therapy, Shanghanlun(傷寒論) set up the basis of medicine which is based on overall of symptoms and signg(辨證論治醫學). Sa-sang constitutional medicine(四象醫學) distinguished the image(象) which is devided by the size of inherited Organ system(臟腑), refered to the symptom of diseases(病症) and decided the therapic directions. So Sa-sang constitutional medicine(四象醫學) gave more accuracy to the therapy by subdeviding the process of differenciation of case(辨證) into 2 steps of differenciation of image(辨象) and differenciation of case(辨證). In view of etiologic factor, Shanghanlun(傷寒論) regarded it as a invading of pathogenic factors(邪氣), so Shanghanlun(傷寒論) has the medical theory of pathogenic factors(邪氣). But Sa-sang constitutional medicine(四象醫學) regarded it as a disorder of the genuine energy(正氣)'s movements(升降緩速), so Sa-sang constitutional medicine(四象醫學) has the medical theory putting first of genuine energy(正氣). But Shanghanlun(傷寒論) also recognized the constitutional difference basically and Sa-sang consitutional medicine(四象醫學) devided the constitution into Tae-eum, Yo-yang, Tae-yang, Yo-eum(太少陰陽) and explained the food-air-fluid metabolism(飮食-氣液之氣病證) as cold-hot, cool-warm and devided the the symptom of diseases(病症) into the interior and the exterior(表裏) as the up-down, slow-fast movements of eum-yang and insufficiency and excessiveness is between them. In the end, Sa-sang constitutional medicine(四象醫學) has the theory of eight principal syndroms(八綱原理) faithfully which is the theory of differenciation of case(辨證理論) of Shanghanlun(傷寒論). Therefore Shanghanlun(傷寒論) made a lot of influence on originating Sa-sang constitutional medicine(四象醫學), Sa-sang constitutional medicine(四象醫學) is the theory which is based on existing medical theory including Shanghanlun(傷寒論) and composed the new medical theory to the constitutional point of view. Sa-sang constitutional medicine(四象醫學) enriched the medical theory and developed the clinical medicine so it has the historical value in the medicine.

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Establishment of the Successive Rearing Method of Cabbage Butterfly, Pieris rapae L. in a Room Condition (배추흰나비의 실내 계대사육법 확립)

  • 설광열;김남정
    • Korean journal of applied entomology
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    • v.40 no.2
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    • pp.131-136
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    • 2001
  • Cabbage butterfly, Pieris rapae was reared in a room to establish a year-round rearing system. The eggs oviposited by the parent fed on host plant showed 89.2% of hatchability and hatched in 3.9 days after oviposition. The larval period was 18.1 days under high temperature, long day condition ($25^{\circ}C$, 16L : 8D), showing 97.8% pupal ratio and emergence rate. However, under low temperature, short day condition ($21^{\circ}C$, 10L : 14D) the larval period extended to 23.6 days and the pupal ratio was 70%. All of those pupae went into diapause. The oviposition preference experiment on different hosts (Chinese cabbage, cabbage, tulip and kale) showed that hot-water extract was preferred over methanol extracts or squeezed raw juices. The host preference showed that Chinese cabbage was less preferred than the other three. The artificial ovipositing kit was constructed for the oviposition in a room. The 48-hours old eggs could be stored for 7 days at$ 5^{\circ}C$ and showed 70% of hatchability. Non-diapausing pupae could be stored for 30 days at 5 to $15^{\circ}C$, showing 85% of emergence rate. However, the pupae stored at $5^{\circ}C$ showed longer storage period and higher emergence rate. The systematic successive rearing method of cabbage butterfly in a room was completed, based on the above experiments.

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Uncooled Metallic Thin-film Thermopile Infrared Detector (비냉각 금속 박막형 열전퇴 적외선 검지기)

  • Oh, Kwang-Sik;Cho, Hyun-Duk;Kim, Jin-Sup;Lee, Yong-Hyun;Lee, Jong-Hyun;Lee, Jung-Hee;Park, Se-Il
    • Journal of the Institute of Electronics Engineers of Korea SD
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    • v.37 no.2
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    • pp.5-12
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    • 2000
  • Uncooled metallic thin-film thermopile infrared detectors have been fabricated, and the figures of merit for the detectors were examined. The hot junctions of a thermopile were prepared on a $Si_{3}N_{4}/SiO_{2}/Si_{3}N_{4}$-membrane which acts as a thermal isolation layer, the cold junctions on the membrane supported with the silicon rim which functions as a heat sink, and Au-black was used as an infrared absorber. Infrared absorbance of Au-black, which strongly depends on the chamber pressure during Au-evaporation and its mass per area, was found to be about 90 % in the wavelength range from 3${\mu}{\textrm}{m}$ to 14${\mu}{\textrm}{m}$. Voltage responsivity, noise equivalent power, and specific detectivity of Bi-Sb thermopile infrared detector at 5 Hz-chopping frequency were about 10.5V/W, 2.3 nW/Hz$^{1/2}$, 및 $1.9\times10^{7}$ cm.Hz$^{1/2}$/w at room temperature in air, respectively.

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Measurement of the Nursing Staff Needed for Two Specialized Nursing units in a University Hospital (간호업무량 측정 및 간호인력 수요산정)

  • 이윤신;박정호
    • Journal of Korean Academy of Nursing
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    • v.22 no.4
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    • pp.589-603
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    • 1992
  • This study investigated a process to estimate the need for nursing staff on the basis of a patient elassification system and the required care needs and activities. The investigation was carried out in the following four steps. Step 1. Patients were classified according to the amount of nursing care need on each shift as class I (mildly ill), class II (mederately ill), class III (acutely ill), and class IV (critically ill). Step 2. Measurement of the direct nursing care hours needed for each patient class, and measurement of indirect nursing care hourse and personal time of the nursing staff. Step 3. Calculation of he total nursing workload in a nursing unit. Step 4. Estimation of the nursing staff needed. The investigation was carried out from July 17th to 30th, during 24hours every other day. The subjects were the patients and the nursing staff on two units of Seoul National University Hospital, Korea. Some of the results from the investigation are as follows : 1) Distribution of patient classification On the neuro surgical (N.S.), the distribution was class I, 22 patient, 3, class II, 27 patients, class III, 26 patients, and class IV, 25 patients, For the orthopedic surgical unit(0.5.), it was class I, 43 patients, class II, 43 patients, class III, patients, and class IV, 3 patients. 2) Direct nursing care hours per day On the N.S. unit, 3.2 hours of direct nursing care were needed for class I, 3.9 hours for class II, 5.1 hours of class III, and 6.2 hours for class IV patients, while 2.0 hours for class I, 2.5 hours for class II, 3.5 hours for class III, 5.0 hours class IV patients were needed on the 0.5. units. 3) Analysis of direct nursing care activities Activities were classified into assessment and observation(47%), medication(38.7%), communiontion(5.1%), exercise(2.4%), elimination and irrigation(1.3%), treatmemt(1.1%), hygiene(0.8%), nutrition(0.8%), and hot and cold compress(0.1%). 4) Average hours of indirect nursing care per day. On the N.S. unit 4.2 hours, and on the O.S. unit, 3.5 hours of RN indirect care was needed. 5) The average personal time used by the of nursing staff was 17 minutes for both RNs and nursing assistants in the N.S. unit, and 32 minutes for both RNs and nursing assistants in the O.S. unit. 6) Estimation of nursing staff needed on two specialized units of a university hospital For the N.S. nursing unit of 43 beds, 31 nursing staff would be indicated. For the 0.5. nursing unit of the same number of beds, 19 nursing staff would be indicated.

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Fracture Mechanics Approach to X-Ray Diffraction Method for Spot Welded Lap Joint Structure of Rolled Steel Considered Residual Stress (잔류응력을 고려한 압연강 용접구조물의 X-ray 회절법에 의한 파괴 역학적 고찰)

  • Baek, Seung-Yeb;Bae, Dong-Ho
    • Transactions of the Korean Society of Mechanical Engineers A
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    • v.35 no.10
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    • pp.1179-1185
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    • 2011
  • Cold and hot-rolled carbon steel sheets are commonly used in railroad cars or commercial vehicles such as the automobile. The sheets used in these applications are mainly fabricated by spot welding, which is a type of electric resistance welding. However, the fatigue strength of a spot-welded joint is lower than that of the base metal because of high stress concentration at the nugget edge of the spot-welded part. In particular, the fatigue strength of the joint is influenced by not only geometrical and mechanical factors but also the welding conditions for the spot-welded joint. Therefore, there is a need for establishing a reasonable criterion for a long-life design for spot-welded structures. In this thesis, ${\Delta}P-N_f$ relation curves have been used to determine a long-life fatigue-design criterion for thin-sheet structures. However, as these curves vary under the influence of welding conditions, mechanical conditions, geometrical factors, etc. It is very difficult to systematically determine a fatigue-design criterion on the basis of these curves. Therefore, in order to eliminate such problems, the welding residual stresses generated during welding and the stress distributions around the weld generated by external forces were numerically and experimentally analyzed on the basis of the results, reassessed fatigue strength of gas welded joints.

A Comparative Study on Sleep State, Sleep Time, and Quality of Life of Vietnam Migrant Women by Sasang Constitution (베트남 이주여성의 사상체질별 수면상태, 수면시간 및 삶의 질 비교연구)

  • Jang, Eunsu;Kim, Yunyoung;Baek, Younghwa;Moon, Sujeong;Lee, Siwoo;Kim, Sang-Hyuk
    • Journal of Sasang Constitutional Medicine
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    • v.32 no.1
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    • pp.39-49
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    • 2020
  • The purpose of this study was to find out how sleep characteristics by Sasang constitution (SC) appear in Vietnamese immigrant women in Korea, and how sleep aberration by SC affected the quality of life. The number of 217 Vietnamese immigrant women joined this study. We surveyed SC with Korea Sasang Constitutional Diagnostic Questionnaire (KS-15) and sleep characteristics with Pittsburgh Sleep Quality Index(PSQI) questionnaire. We evaluated quality of life(QoL) with Euro Quality of Life-5Dimension(EQ 5D) questionnaire. A Chi-square test and a one-way ANOVA test were conducted according to SC, and T test also used to compare PSQI groups. Significant p was .05. The number(rate) of Taeeumin(TE), Soeumin(SE), and Soyangin(SY) were 40(18.4%), 55(25.3%), and 122(56.2%) respectively. The distribution of obstructive factors of sleep were significantly different according to SC(Too Cold in Sleeping, x =13.378, p=.037, Too Hot in Sleeping x2=12.834, p=.046). The distribution of daytime drowsiness(x2=15.379, p=.018) and falling concentration power (x2=17.533, p=.008) was significantly different according to SC. The sleep status of the subjects showed a significant negative correlation with the EQ 5D Visual Analogue Scale(VAS) (r =-.399, p<.001), and the EQ 5D Index (r=-.211, p=.002). In the EQ VAS, TE showed a difference between the good and bad sleeping groups (t=3.955, p<.001). SE showed a difference between the two groups in the EQ 5D Index (t=2.332, p=.037). SY did not show a difference between the two groups. This study reveals that sleeping is closely related with QoL and distribution of obstructive factors of sleep may be different according to SC. Further study to confirm the constitutional difference in race at Vietnam is needed.

Subjective Responses to Thermal Stress for the Outdoor Performance of Smart Clothes

  • Kwon, JuYoun;Parsons, Ken
    • Journal of the Ergonomics Society of Korea
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    • v.36 no.3
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    • pp.169-181
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    • 2017
  • Objective: The aim of this study was to explore the influence of outdoor weather conditions on subjective responses during physical activity. Background: The largest difference between indoor and outdoor conditions is the existence of the sun. The heat load from the sun has an influence on the heat gain of the human body and the intense degree of solar radiation affected thermal comfort. Method: Thirty eight people were exposed to a range of climatic conditions in the UK. Weather in England does not have extremely hot and cold temperature, and the current study was conducted under warm (summer and autumn) and cool (spring and summer) climates. Measurements of the climate included air temperature, radiant temperature (including solar load), humidity and wind around the subjects. Subjective responses were taken and physiological measurements included internal body temperature, heart rate and sweat loss. Results: This study was conducted under four kinds of environmental conditions and the environmental measurement was performed in September, December, March, and June. The values for sensation, comfort, preference, and pleasantness about four conditions were from 'neutral' to 'warm', from 'not uncomfortable' to 'slightly comfortable', from 'slightly cooler' to 'slightly warmer', and from 'neither pleasant nor unpleasant' and 'slightly unpleasant', respectively. All subjective responses showed differences depending on air temperature and wind speed, and had correlations with air temperature and wind speed (p<0.05). However, subjective responses showed no differences depending on the radiant temperature. The combined effects of environmental parameters were showed on some subjective responses. The combined effects of air temperature and radiant temperature on thermal sensation and pleasantness were significant. The combined effects of metabolic rate with air temperature, wind speed and solar radiation respectively have influences on some subjective responses. In the case of the relationships among subjective responses, thermal sensation had significant correlations with all subjective responses. The largest relationship was shown between preference and thermal sensation but acceptance showed the lowest relationship with the other subjective responses. Conclusion: The ranges of air temperature, radiant temperature, wind speed and solar radiation were $6.7^{\circ}C$ to $24.7^{\circ}C$, $17.9^{\circ}C$ to $56.6^{\circ}C$, $0.84ms^{-1}$ to $2.4ms^{-1}$, and $123Wm^{-2}$ to $876Wm^{-2}$ respectively. Each of air temperature and wind speed had significant relationships with subjective responses. The combined effects of environmental parameters on subjective responses were shown. Each radiant temperature and solar radiation did not show any relationships with subjective responses but the combinations of each radiant temperature and solar radiation with other environmental parameters had influences on subjective responses. The combinations of metabolic rate with air temperature, wind speed and solar radiation respectively have influences on subjective responses although metabolic rate alone hardly made influences on them. There were also significant relationships among subjective responses, and pleasantness generally showed relatively high relationships with comfort, preference, acceptance and satisfaction. Application: Subjective responses might be utilized to predict thermal stress of human and the application products reflecting human subjective responses might apply to the different fields such as fashion technology, wearable devices, and environmental design considering human's response etc.