• Structural Engineering and Mechanics
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• v.6 no.7
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• pp.773-784
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• 1998

To assess the collapse risk of transmission line structures subject to natural hazards, it is important to identify what hazard may cause the structural collapse. In Australia and many other countries, a large proportion of failures of transmission line structures are caused by severe thunderstorms. Because the wind loads generated by thunderstorms are not only random but time-variant as well, a time-dependent structural reliability approach for the risk assessment of transmission line structures is essential. However, a lack of appropriate stochastic models for thunderstorm winds usually makes this kind of analysis impossible. The intention of the paper is to propose a stochastic model that could realistically and accurately simulate wind loading due to severe thunderstorms. With the proposed thunderstorm model, the collapse risk of transmission line structures under severe thunderstorms is assessed numerically based on the computed failure probability of the structure.

• Journal of Yeungnam Medical Science
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• v.37 no.4
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• pp.262-268
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• 2020

Severe asthma patients comprise about 3% to 13% of all asthma patients, but they have higher hospital utilization rates and higher medical costs than those of nonsevere asthma patients. Treatment methods for severe asthma patients are still lacking; however, the recent development of biologics is expected to have a positive effect. The biological therapies developed so far are mainly aimed at treating asthma patients with type 2 inflammation. These biologics have been found to reduce symptoms of asthma, improve lung function, reduce the use of oral corticosteroids, and improve quality of life of patients. This article reviews the mechanism of action and indications for approved biologics and discusses what should be considered when choosing biologics.

• Plant Disease and Agriculture
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• v.1 no.1
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• pp.45-46
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• 1995

In recent years, there were considerably severe occurrences of TuMV(turnip mosaic virus) disease on radish and Chinese cabbage cultivated at alpine or sub-alpine regions, especially more severe on young Chinese cabbage sowed after late June. Started from 1991, those were very severe in 1992 and 1994, for the number of migrated aphids was increased enormously according to the weather condition of high temperature and low humidity then. This disease started at late June to early July, and continued to late August. It seemed that TuMV was transmitted easily and completely to the young chinese cabbages, but hardly and rarely the old. The regions over 1,000m of altitude had less possibility of disease-occurring, but there was severe occurrence on the second cropping of Chinese cabbage in a year. It is considered that more researches on control method of TuMV disease will be needed very urgently.

• Journal of the Korean Society of Tobacco Science
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• v.33 no.1
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• pp.1-7
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• 2011

Major diseases of tobacco plants were surveyed throughout the Korea in 2011. Mosaic, bacterial wilt and hallow stalk were most severe during the harvest season on not only flue-cured tobacco plants but also burley tobacco plants. On flue-cured tobacco plants, mosaic caused by potato virus Y were more severe than those by tobacco mosaic virus or cucumber mosaic virus. The mosaic caused by potato virus Y was severe at Yeongwol and Chungju. On burley tobacco plants, mosaic were more severe at Jeongeup and Gochang than those at Chungnam and Jeonnam. A negative correlation between the mosaic incidence and the precipitation was recognized. On the other hand, there was a positive correlation between the incidence of hallow stalk incidence of flue-cured tobacco plants in harvesting stage and the precipitation during June was recognized significantly.

• Korean Journal of Veterinary Research
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• v.55 no.3
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• pp.209-211
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• 2015

An 8-year-old spayed female Maltese (2.5 kg of body weight) presented with the primary complaint of loud heart murmur and exercise intolerance. Diagnostic imaging revealed severe pulmonic stenosis (peak velocity 5.2 m/s) with right ventricular hypertrophy. The dog revisited after 2 years, at which time, diagnostic imaging revealed severe biventricular hypertrophy, dynamic left ventricular outflow tract obstruction, left atrial dilation and pulmonary hypertension with worsened pre-existing pulmonic stenosis. Postmortem investigation revealed hypertrophic cardiomyopathy and regional myocardial infarction. The case was diagnosed as hypertrophic cardiomyopathy secondary to severe right and left ventricular outflow tract obstruction.

• Proceedings of the Korean Nuclear Society Conference
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• 1997.05a
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• pp.464-470
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• 1997

Severe accident analysis has been performed for the Wolsung nuclear power plants in Korea to investigate severe accident phenomena of CANDU-600 reactors as a part of Level II PSA study. The accident sequence analyzed in this paper is loss of active heat sinks(LOAH) which is caused by loss of off-site power, diesel generators, and DC power. ISAAC (Integrated Severe Accident Analysis Code)computer code developed by KAERI (Korea Atomic Energy Research Institute) was used in this analysis. This paper describes the important thermal-hydraulics and source term behaviors in the primary system and inside containment, and the failure mechanism of calandria vessel and containment. In addition, some insights for accident management program(AMP) are also given.

• Journal of Chest Surgery
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• v.17 no.2
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• pp.171-176
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• 1984

Successful correction of the partial form of atrioventricular[AV] canal is now readily achievable. The most challenging technical features of this anomaly are the associated mitral valvular deformity and the frequent inability to obtain mitral competence. Residual mitral incompetence after repair of mitral cleft figures importantly in the causes of early and late failure. So, accurate and complete repair of the mitral valve cleft might be important. Determination of residual severe mitral regurgitation after repair is desirable to permit mitral valve replacement at the time. We have experienced one case of severe mitral regurgitation which was occurred 6 months after repair of partial form of A-V canal [ASD primum] in 22 years old virgin. Pre-op. left ventriculogram revealed severe mitral regurgitation in this patient. We preferred to perform mitral valve replacement with St. Jude valve in this patient at March 1984. Post-op. course was uneventful to now for 5 months and we report this case, review and discuss the literatures.

• The Journal of Internal Korean Medicine
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• v.26 no.3
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• pp.685-691
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• 2005

A 33 year-old male who had been diagnosed with severe ulcerative and ankylosing spondylitis was treated and observed. Even though he had been treated with western medicine, he still complained of severe diarrhia, hemafecia, abdominal pain, general weakness, mild fever($37.8^{\circ}C$) and lower back pain. On radiologic examination, the lumbar view revealed the sacroliac joint space are irregular with adjacent bony sclerosis on both sides. He was treated with Chengsim Yeunja-Tang. Having been treated for 99 days, severity of ulcerative colitis changed from severe to mild ade, lower back pain reduced from nine to three, and all other symptoms improved.

• Journal of Pharmacopuncture
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• v.12 no.3
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• pp.81-88
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• 2009

Objective : This study was to report Bell's palsy patients with severe pain back of the ear treated by Bee Venom Pharmacopuncture therapy. Methods : The patients was treated by Bee Venom Pharmacopuncture therapy to relieve the severe pain back of the ear. Visual Analog Scale(VAS) was used as an outcome measurement. Results : After Bee Venom Pharmacopuncture therapy, VAS were decreased at all case. Conclusion : Bee Venom Pharmacopuncture therapy can be available for relieving severe pain back of the ear even inducing insomnia.

• Nuclear Engineering and Technology
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• v.42 no.2
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• pp.151-162
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• 2010

A severe accident training simulator that can simulate important severe accident phenomena and nuclear plant behaviors is developed. The simulator also provides several interactive control devices, which are helpful to assess results of a particular accident management behavior. A simple and direct dynamic linked library (DLL) data communication method is used for the development of the simulator. Using the DLL method, various control devices were implemented to provide an interactive control function during simulation. Finally, a training model is suggested for accident mitigation training and its performance is verified through application runs.