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윤성필(Sung-Pil Yoon),임성욱(Sung-Uk Lim),박만희(Man-Hee Park),조인희(In-Hee Cho) 한국엔터테인먼트산업학회 2010 한국엔터테인먼트산업학회논문지 Vol.4 No.3
본 연구는 선행연구에서 조사된 핸드폰의 고객요구속성을 Kano 모델의 품질특성에 적용하여 시간의 흐름에 따라 어떤 변화가 있는지를 살펴보고자 한다. 또한 고객들의 새로운 요구속성이 나타났는지도 함께 살펴보고자 한다. 많은 문헌과 선행연구에서 나타나고 있는 시간에 따른 품질특성의 이동이 매력적 품질에서 일원적 품질로 일원적 품질에서 당연적 품질로 변화하는 진부화(陳腐化)현상이 나타나는지도 함께 살펴보고자 한다. In this study, previous research (Sung-Uk Lim, 2004) surveyed in customer demand for mobile phones the quality characteristics of properties applied to the Kano model, the flow of time, depending on whether any changes will be discussed. In addition, our customers" new requirements will be examined along with the property map appeared. The movement of time-dependent quality characteristics appeared in many previous studies Obsolescence Phenomenon - from Attactive Quality Element to One-Dimensional Quality Element, from One-Dimensional Quality Element to Must-Be Quality Element - may appear be examined together.
윤서영(Seoyoung Yoon),장성만(Sung Man Chang) 대한생물치료정신의학회 2019 생물치료정신의학 Vol.25 No.1
Depression is almost twice as prevalent in women than men. Atypical symptoms, somatic complaints, and comorbid anxiety disorders are more common in women, whereas suicide and comorbid substance use disorders are more common in men. Previous studies have also reported gender differences in the efficacy of and tolerability to specific classes of antidepressants. Various psychosocial and biological factors have been proposed to explain the gender differences in clinical characteristics of depression. The predominant theory of depression pathogenesis is the monoamine hypothesis, and consequently, monoamine neurotransmitters have been the primary target of antidepressants. In the first section of this review, study findings of clinical differences in depression by gender are summarized. Then, we provide an overview of the findings from human and rodent studies of gender differences in serotonin, norepinephrine, dopamine, and glutamate neurotransmitter systems. Total level, rate of synthesis, and receptor profiles of neurotransmitters seem to differ by gender in the euthymic state, depressed state, and in responses to stress or antidepressants. Furthermore, these neurotransmitters interact with gonadal hormones and the hypothalamic-pituitaryadrenal axis, systems that innately exhibit gender differences. Although most of the studies conducted so far are limited to animal models and results of the studies are heterogeneous, growing evidence suggests that gender differences exist in neurotransmitter systems, which possibly leads to gender differences in depression. More intensive studies in this field are needed to build gender-specific treatment strategies.
윤종학,여만구,김동성,이호영 서울産業大學校 1995 논문집 Vol.42 No.1
This study is focused on the prediction of an appropriate tool life by clarifying the correlation between progressive tool wear and signals, when cutting SM45C by end mill in machining center. First of all, end mill have a problem that position of sensor sticking because it is revolution tool, I think that it can be gained specific character according to sticking sensor in the vise. Consequently, the following results have obtained: 1. Each cutting speed of feed rate over 0.1mm had a tendency to increase linearly according to the RMS. 2. The level of AE signal at the same cutting area was more sensitive to depth of cut than the variation of feed rate. 3. In the range of cutting during about 75min at cutting speed 27m/min flank wear turns up about 0.21mm, about 0.29mm in the case of about 65min at 33m/min, hereby RMS increased rapidly at 0.2mm flank wear, also AE-HIT and CUM-CNTS.
윤성욱,김예리,정상만 건국대학교 의과학연구소 1998 건국의과학학술지 Vol.8 No.-
Pulmonary thromboembolism is the impaction of material into branches of the pulmonary arterial bed. The clinical manifestations are similar to those of other cardiopulmonary disorders, and thus, the diagnosis of pulmonary embolism may be delayed even in patients presenting with characteristic symptoms. Accurate early diagnosis and treatment are important because untreated in-hospital mortality is up to 30 percent whereas it is only 8 percent if appropriately treated. The confirmation of a pulmonary embolus depends on performing either a ventilation-perfusion scan or angiography. But, ventilation-perfusion scans are not sufficiently sensitive, and angiography is invasive and associated with complications. Also, both of these tests are time consuming. Therefore, a noninvasive method of early detecting pulmonary thromboembolism is important to carry out further invasive diagnostic tests. We experienced a case of pulmonary thromboembolism that had been treated successfully after early diagnosis by noninvasive method of transthorathic echocardiography, and presented it with a review of literature.
윤용구,홍성만,손제성,박범 대한설비관리학회 2003 대한설비관리학회지 Vol.8 No.2
It is a semiconductor product industry womed out enormous of loss that happened to accident for during in production exist to leakage, fire, explosion, using to variable chemical material of application, treatment, storage. This is presented to that improvement example for study, research, investigation of PSM in semiconductor industry and so processed to follow as theory consideration for PSM in semiconductor industry. This study did the object of research that S company is point to appointment and so give a account of S company PSM contents, searching to conclusion of PSM and consideration of problem and injury prevention for PSM expansion. From now on, PSM of semiconductor-injury is bring up improvement of problem, large-scale -company of semiconductor.
윤헌영,정순욱,박희명,박철,정만복,김준영,한현정,황민,노병국,박상혁,장하영,박정윤 한국임상수의학회 2004 한국임상수의학회지 Vol.21 No.1
A ten months old, female Yorkshire terrier weighing 2.88 kg referred to veterinary teaching hospital of college of veterinary medicine, Konkuk University because of syncope, cough and dyspnea. First hematological and serum chemical test revealed thrombocytopenia, mild anemia, and increase of concentration of ALP (195 U/L). On 57 days later, second hematological and serum chemical test revealed polycythemia, increase of concentration of ALP (211 U/L), and Tchol (387 mg/dl). Right atrium enlargement, main pulmonary artery bulge and cardiomegaly (VHS = 11.5) were observed in radiographic findings. Ultrasonographic images showed both right and left ventricular dilation and turbulent flow between the descending aorta and the main pulmonary artery in color Doppler imaging. ECG showed left ventricular enlargement, SA block, and electrical alternant. Thoracotomy was performed through left fourth intercostal incision under isoflurane anesthesia. Patent ductus arteriosus was double ligated with 1-0 silk. Cough and dyspnea disappeared on 5 days after operation. Turbulent flow was not found in color doppler imaging of ultrasonography on 10 days after operation. Ten months later after the operation, syncope could not exist any more.
윤종학,여만구,김상헌 한국공작기계학회 1996 한국생산제조학회지 Vol.5 No.3
This study is focused on the prediction of appropriate tool life by clarifying the correlation between progressive tool wear and AE(Acoustic Emission) signals, while cutting stainless steel by end mill on te machining center. The results of this study were that RMSAE tends to increase linearly along with the incrase of the cutting speed, and it was more sensitive to depth of cut than to the variation of feed rate at the same cutting conditions, and RMSAE increases around 0.21mm flank wear hereby AE-HIT also increases. AE signals depend upon tool wear and fracture from the above results. Therefore, the AE signals can be utilized in order to monitor the tool condition.
Paraquat 중독환자의 초기검사로서 sodium dithionite를 이용한 소변내 paraquat검출의 임상적 의의
윤갑준,임경수,이진웅,김영식,이부수,박덕우,김선만,이강현,황성오,안무업 대한응급의학회 1995 대한응급의학회지 Vol.6 No.1
Background : Mortality from paraquat intoxication depends upon plasma paraquat concentration. To know the severity of paraquat intoxication is important for directing therapeutic modality and predicting prognosis. Sodium dithionite test for urinary paraquat provides an easy and simple method to determine the severity of paraquat intoxication in emergency department. purpose : To determine whether the result urinary paraquat test by sodium dithionite can predict outcome in patients with paraquat intoxication in emergency department. Subjects : 48 patients(male 31, female 17, mean age 37 years) who had exposure to paraquat and presented within 24 hours after exposure. Result : Thirty five patients were positive in paraquat urine test and thirteen patients were negative. Clinical manifestations were more severe in positive patients than in negatives. Complication was much more in positives than in negatives. 28 of 35 patients(80%) in positives and 2 of 13 patients(15%) in negatives died. Conclusion : Positive test for urinary paraquat is associated with high mortality and morbidity from paraquat intoxication, and qualitative test for urinary paraquat by sodium dithionite is an useful method to determine the severity of paraquat intoxication in emergency department.
정성주,김성범,박대원,정혜원,기세윤,권정아,박만석,박미연,정희진,김우주 대한감염학회 2004 감염과 화학요법 Vol.36 No.3
브루셀라증은 전 세계적으로 발생하는 인수공통 전염병중에 하나로서, 본 증례는 국내에서 감염된 가축에 대한 노출력이 없는 집단에서 현증 브루셀라증이 발생한 첫 증례이기에 문헌 고찰과 함께 보고한다. 또한 환자가 근무하였던 축산물 부산물 시장에서 역학 조사를 실시하여, 현증환자 및 기감염자를 발견하여 축산물 부산물 시장 근무자에서 현증 브루셀라증이 발생할 위험성을 평가하였다. 역학 조사 결과 축산물 부산물을 다루는 일을 하는 사람들에서 감염된 가축과의 직접 접촉이 없이도 브루셀라증이 발생할 수 있음을 알 수 있었다. Brucellosis is a world-wide zoonotic disease. We report the first case of brucellosis in South Korea that is not related to direct contract with intected cattles. The patient had been working in the market of by-product, stock raising for twenty years and complained of 1-month history of fever, chill, and intermittent epistaxis. We confirmed brucellosis by anti-brucella antibody test and PCR. After 6 weeks' treatment with rifampicin and doxycycline, fever and chilling subsided, and, generalized weakness and oral intake improved. We performed seroepidemiology study against workers who were working in the same market as the patient. However, we couldn't find out other cases with seropositivity. We concluded that although the workers of by-product market have a risk of getting brucellosis, the risk is low.