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강순호,오승준,정성진,조성용 대한배뇨장애요실금학회 2019 International Neurourology Journal Vol.23 No.1
Purpose: In recent years, the importance of patient satisfaction and quality of life—referred to as patient-related outcomes— has been emphasized, in addition to the evaluation of symptoms and severity through questionnaires. However, the questionnaires that can be applied to Korean patients with neurogenic bladder are limited. Therefore, the current study linguistically validated the Intermittent Self-Catheterization Questionnaire (ISC-Q) as an instrument to evaluate the quality of life of Korean patients with neurogenic bladder who regularly perform clean intermittent catheterization (CIC). Methods: The validation process included permission for translation, forward translations, reconciliation, backward translation, cognitive debriefing, and proofreading. Two bilingual translators independently translated the original version of the ISCQ into Korean and then combined the initial translations. A third bilingual translator performed a backward translation of the reconciled version into English. Five Korean-speaking patients with neurogenic bladder carried out the cognitive debriefing. Results: During the forward translation process, the 24 questions of the ISC-Q were translated into 2 Korean versions. The terms used in each version were adjusted from the original version to use more conceptually equivalent expressions in Korean. During the backward translation process, several changes were involving substitutions of meaning. In the cognitive debriefing process, 5 patients were asked to complete the questionnaire. All patients agreed that the questionnaire explained their situation well. Conclusions: This study presents a successful linguistic validation of the Korean version of the ISC-Q, which could be a useful tool for evaluating treatment satisfaction in patients with neurogenic bladder performing CIC regularly.
강순호,이권영,이기철,김성훈,지대영,서경우,윤주현,김무환,박현선 한국원자력학회 2014 Nuclear Engineering and Technology Vol.46 No.6
To ensure the safety of research reactors, the water level must be maintained above the required height. When a pipe ruptures, the siphon phenomenon causes continuous loss of coolant until the hydraulic head is removed. To protect the reactor core from this kind of accident, a siphon breaker has been suggested as a passive safety device. This study mainly focused on two variables: the size of the pipe rupture and the timing of air entrainment. In this study, the size of the pipe rupture was increased to the guillotine break case. There was a region in which a larger pipe rupture did not need a larger siphon breaker, and the water flow rate was related to the size of the pipe rupture and affected the residual water quantity. The timing of air entrainment was predicted to influence residual water level. However, the residual water level was not affected by the timing of air entrainment. The experimental cases, which showed the characteristic of partical sweep-out mode in the separation of siphon breaking phenomenon [2], showed almost same trend of physical properties.
강순호,홍광택,박정근 대한건축학회지회연합회 2020 대한건축학회연합논문집 Vol.22 No.6
Since 2010, the number of housing construction permits and completion cases has increased due to a surge in the number of people entering Jeju Island, and the supply of apartments in Jeju area has also increased during this period, especially in the natural green area due to the lack of existing housing sites in Jeju City. However Since 2017, the number of completion cases has also decreased as population inflow has been on the decline, showing a pattern similar to net population movement. In this study, we investigated and analyzed the characteristics and patterns of tenement houses during ten-year through a study of tenement houses in Jeju, which experienced the changes in living environment and real estate due to the rapid changes in population. The project aims to present the direction and basic data of the future study of tenement houses in Jeju through research on the layout characteristics of tenement houses in Jeju city district.
개질된 표면을 이용한 풀비등 임계열유속 증진에 관련한 실험적 연구
강순호(Soonho Kang),안호선(Hoseon Ahn),조항진(Hangjin Jo),김무환(MooHwan Kim),김형모(Hyungmo Kim),김준원(Joonwon Kim) 대한기계학회 2009 大韓機械學會論文集B Vol.33 No.11
In the boiling heat transfer mechanism, CHF(critical heat flux) is the significantly important parameter of the system. So, many researchers have been struggling to enhance the CHF of the system in enormous methods. Recently, there were lots of researches about enormous CHF enhancement with the nanofluids. In that, the pool boiling CHF in nanofluids has the significantly increased value compared to that in pure water because of the deposition of the nanoparticle on the heater surface in the nanofluids. The aim of this study is the comparison of the effect of the nanoparticle deposited surface and the modified surface which has the similar morphology and made by MEMS fabrication. The nanoparticle deposited surface has the complex structures in nano-micro scale. Therefore, we fabricated the surfaces which has the similar wettability and coated with the micro size post and nano structure. The experiment is performed in 3 cases : the bare surface with 0.002% water-ZnO nanofluids, the nanoparticle deposited surface with pure water and the new fabricated surface with pure water. The contact angle, a representative parameter of the wettability, of the all 3 cases has the similar value about 0 and the SEM(scanning electron microscope) images of the surfaces show the complex nano-micro structure. From the pool boiling experiment of the each case, the nanoparticle deposited surface with pure water and the fabricated surface with pure water has the almost same CHF value. In other words, the CHF enhancement of the nanoparticle deposited surface is the surface effect. It also shows that the new fabricated surface follows the nanoparticle deposited surface well.
황돈관,강순호,최낙준,조항진 한국원자력학회 2024 Nuclear Engineering and Technology Vol.56 No.1
In nuclear thermal-hydraulic system codes, most correlations used for vertical pipes, under downward two-phase flow, have been developed considering small pipes or pool systems. This suggests that there could be uncertainties in applying the correlations to accident scenarios involving large vertical pipes owing to the difference in the characteristics of two-phase flows, or flow conditions, between large and small pipes. In this study, we modified the Multi-dimensional Analysis of Reactor Safety KINS Standard (MARS-KS) code using correlations, such as the drift-flux model and two-phase multiplier, developed in a plant-scale air-inflow experiment conducted for a pipe of diameter 600 mm under downward two-phase flow. The results were then analyzed and compared with those based on previous correlations developed for small pipes and pool conditions. The modified code indicated a good estimation performance in two plant-scale experiments with large pipes. For the siphonbreaking experiment, the maximum errors in water flow for modified and original codes were 2.2% and 30.3%, respectively. For the air-inflow accident experiment, the original code could not predict the trend of frictional pressure gradient in two-phase flow as 〈jg〉/〈j〉 increased, while the modified MARS-KS code showed a good estimation performance of the gradient with maximum error of 3.5%.
컴퓨터 단층촬영을 이용한 상부기도의 해부학적 측정에 관한 연구
김상현,김영대,강순호,백금철 대한마취과학회 1997 Korean Journal of Anesthesiology Vol.32 No.1
Several methods for the management of intractable pain for various conditions including malignant disorders, herpes zoster, and low back pain and/or sciatica in 80 patients were described and analyzed. Neurolytic blocks of celiac plexus were given to the patients suffering from intra-abdominal pain from malignant origin or chronic pancreatitis. Herpes zoster was treated mainly by chemical sympathectomy via paravertebral route and occassionaly corticosteroid was administered epidurally with the local anesthetic, bupivacaine. All the patients with low back pain and/or sciatica were given epidural corticosteroid one to three times. Other peripheral verve blocks and regional corticosteroid therapy were given to the rest of the patients. Fair to excellent result was obtained in 71% of the patients but the response was poor in the remaining 28% of the patients. It seems that the earlier the patients were referred to the pain clinic, the better the results were.