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Comparative Infestation of Paragonimus westermani Metacercaria from Crayfish in Endemic Areas
Choi, Dong Wik,Kim, Min Sang,Joo, Chong Yoon 慶北大學校 醫科大學 1983 慶北醫大誌 Vol.24 No.1
慶尙北道내 肺吸蟲 浸潤地 溪谷에서의 가재의 最近 棲息狀과 가재에서의 폐흡충 피낭유충의 最近 寄生狀을 究明코저 1981年 10月부터 1982年 9月까지 6個處(達城郡 嘉昌面 蛇洞, 玉盆洞, 上院洞과 榮豊郡 豊基邑 錦溪, 英陽郡 英陽面 化川 및 靑松郡 府東面 上宣溪谷)를 調査對象溪谷으로 選定하여 調査한 後 1974年 朴 및 崔의 調査 成績과 比較하였다. 6個處의 肺吸蟲 浸潤地에서의 가재의 棲息密度는 1974年의 그 密度에 比하여 顯著히 低下되었으며 가재에서의 폐흡충 피낭유충의 寄生率과 그 寄生程度도 1974年의 成績에 比하여 낮았다. 가재의 體部位別 폐흡충 피낭유충의 寄生狀에 있어서는 1974年에는 가재의 全體部位에서 本피낭유충을 찾아 볼 수 있었는데 比하여 이번 調査에서는 가재의 頭胸部, 아가미 및 肝에서만 찾아볼 수 있었으며 가재 한마리當 폐흡충 피낭유충數도 全浸潤地에서 1974年에 比하여 1982年에는 甚히 적었다. 폐흡충 피낭유충이 寄生하는 가재의 數와 이들 가재에서의 本피낭유충의 數가 1982年에는 너무 적으므로 가재의 크기와 本피낭유충數 및 1974年의 調査成績과의 相關을 求할 수 없었다. 이번 調査 結果 1974年에서 1982年까지의 지난 8年間 폐흡충 浸潤地에서 가재의 棲息密度와 폐흡충 피낭유충이 寄生하는 가재의 數가 急激히 減少되었음을 알았다. In an attempt to determine the recent patterns of population density of the crayfish, Cambaroides similis, and infestation of the crayfish with the metacercaria of Paragonimus westermani in Kyungpook Province, Korea, the crayfish collected in the six endemic areas, Kum-ge, Wha-cheon, Sang-seon, Ju-dong, Ok-bun dong, and Sang-weon dong streams were examined from April, 1981 to September, 1982. The results obtained in 1982 were compared with the data derived from the crayfish collected at the same streams by Park and Choi(1974). The population density of crayfish in the six endemic areas of P. westermani in the present study decreased markedly compared with those in 1974. The infestation rate for the metacercaria of P. westermani in the crayfish examined and the intensity of infestation in the positive crayfish also decreased compared with those reported by Park and Choi(1974). In the 1974 survey, the metacercaria was found in all parts of the crayfish whereas it was found only in the cephalothorax, the gills, and the liver in the present suevey. In the average number of metacercariae perpositive crayfish (M.P.P.C), a pronounced reduction was encountered in all endemic areas between 1974 and 1982. The number of infested crayfish and the metacercaria of P. westermani in infested crayfish in 1982 was so small that it was impossible to analyze the relationship between the number of metacercaria and the length of crayfish and to compare the data between 1974 and 1982. It was found in the present study that the population density of crayfish in the endemic areas and the infestation of the crayfish with the metacercaria of P. westermani has decreased drastically over the eight-year period from 1974 to 1982.
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족과관절염좌 환자에 대한 동씨침법과 일반침법의 효과에 대한 비교 연구
안호진,정동화,황규선,윤기붕,김태우,문장혁,백종엽,이상무,Ahn, Ho-jin,Jeong, Dong-hwa,Hwang, Kyu-seon,Yoon, Ki-bung,Kim, Tae-woo,Moon, Jang-huyk,Baek, Jong-yeob,Lee, Sang-moo 대한침구의학회 2003 대한침구의학회지 Vol.20 No.1
Objective: The purpose of this study is to compare the effects of Dong-si acupuncture therapy and General acupuncture therapy for the patients with acute ankle sprain. Methods : This study has been carried out for 60 cases of ankle sprain patients who have visited Dong-Seo Oriental medical Hospital from May 1, 2002 to September 30, 2002. We have treated 30 cases of them by Dong-si acupuncture therapy and the other 30 cases by General acupuncture therapy. And we have compared those two group. Results : 1. There was no significant difference at the treatment period and the number of treatment times in comparing two groups. 2. The number of treatment times for good effect is that : Dong-si took $1.57{\pm}0.85$ times and General acupuncture therapy took $2.15{\pm}0.96$ times. And we have found that the effect of Dong-si acupuncture therapy is faster than the other.
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코어안정화운동, 동방요법 및 병행처치가 골반변위에 따른 좌골신경통에 미치는 영향
김동호(Kim, Dong-Ho),김상현(Kim, Sang-Hyun),김성남(Kim, Sung-Nam),김재철(Kim, Jae-Cheol) 한국체육과학회 2019 한국체육과학회지 Vol.28 No.4
The purpose of this study was to confirm the effect of core stability exercise, dong-bang therapy, and combined treatment on reducing pain, pelvic correction and stress hormone concentration in patients suffering from sciatic neuralgia due to pelvic displacement. Middle aged(40~50age) suffering from sciatic neuralgia over 6 months were operated with core stability exercise, dong-bang therapy, and combined treatment 3 times a week for 12 weeks. VAS and X-ray was performed to collect pain scales and pelvic displacement data and cortisol and epinephrine concentration in blood were tested. 1. pain scale rate was reduced in all groups. especially, dong-bang therapy group and combined treatment group showed more directive pain reduce. 2. pelvic displacement improvement was not significant in core stability exercise group, and it was significant in dong-bang therapy group and combined treatment group. no significant difference was shown between dong-bang therapy group and combined treatment group. however, combined treatment group showed higher correction effect. 3. concentration of stress hormone was significantly increased in all groups after the first operation. after 12 weeks concentration level was reduced to same level before treatment. Dong-bang therapy and combined treatment improve pelvic displacement, and are effective treatments on reducing sciatic neuralgia due to pelvic displacement. combined treatment of dong-bang treatment and core stability exercise is considered an effective program of correction for pelvic displacement and maintenance.
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실용음악 전공 학생들의 발성치료 전후 성대 및 음성 특성 비교
황연신,심미란,김철준,최용석,김상연,최찬호,선동일,Hwang, Yeon Shin,Shim, Mi Ran,Kim, Chul Jun,Choi, Yong Suk,Kim, Sang Yeon,Choi, Chan Ho,Sun, Dong Il 대한후두음성언어의학회 2016 대한후두음성언어의학회지 Vol.27 No.2
Background and Objectives : Many students major in applied music singing have various difficulties in phonation when they sing or perform. But the studies about this cause are lack. The purpose of this study is whether singing voice therapy based on vocal music is effective or not to applied music singing students that have difficulties in phonation. Materials and Methods : Singing voice therapy program had been done to 8 students major in applied music singing during 7 weeks. We did laryngeal stroboscope, perceptual, acoustic and aerodynamic examination before and after singing voice therapy to this students. And we studied post examination results have differences or improvements compared to pre examination results. Results : Four male students don't have effective improvement after singing voice therapy but they shows slight improvement in aerodynamic examination values compared to pre examination values. Four female students shows improvement in aerodynamic examination values and pitch range increasing. Above all, one student's vocal nodules disappeared after singing voice therapy. Conclusion : Singing voice therapy based on music singing is very effective to the students major in applied music singing. Above all, their curriculum in applied music singing should include phonation training based on music singing before training perform and technic practices.
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성동진 嶺南大學校 工業技術硏究所 1994 工業技術硏究所論文集 Vol.22 No.2
Ken-Flote의 부유 선광법으로 정제된 미세한 석탄입자의 탈수법에 대한 실험적 연구가 진행되었다. 이 탈수 연구는 진공 및 압력 여과 장치를 이용하여 첨가제의 사용 유무에 따라 고찰되었으며, 실험 변수로는 압력, 여과시간, 케익두께와 현탁액의 pH였다. 또한 계면활성제 및 응결제와 그것들의 혼합에 따른 케익의 수분 변화량과 진공과 압력을 동시에 적용함으로써 케익의 수분 함유량을 고찰하였다. 총괄적으로 슬러리의 여과는 높은 압력, 긴 여과시간, 낮은 케익두께에서 적은 수분 함유량을 보여주었고, 첨가제의 사용에 따라 미세한 석탄 입자의 탈수를 효과적으로 진행시킬 수 있었다. 하지만 계면 활성제와 응결제를 혼합하여 첨가제로 사용하였을 때는 케익 수분 함유량 변화에 단지 미세한 감소만 초래하였다. 진공과 압력 여과를 동시에 적용하였을 경우는 압력 여과만을 사용하였을 때 보다 더욱 적은 수분 함유량을 보여주었다. 진공과 압력 여과에 대한 공정비는 각각 $1.75/ton과 $5.00/ton으로 산출 되었다 An experimental study of the dewatering of fine coal obtained with the 'Ken-Flote' column was conducted. The dewatering study was conducted with and without additives using laboratory vacuum and pressure filtration devices. The variables studied included the driving force, filtration time, cake thickness and slurry pH. The effects of surfactants, flocculants and their combinations on final moisture content of the filter cakes were also examined. Overall, it was found that the filtration of the slurry was enhanced by higher applied pressure, longer filtration time, lower cake thickness. Also, in general, it was found that the use of additives improved the filtration behavior of the fine coal slurries. It was observed that a combination of surfactant and flocculant provided only marginal improvement in filter cake moisture reduction. Split dewatering using both vacuum and pressure simultaneously provided less cake moisture than that obtained using pressure alone. The operating cost of vacuum and pressure filtration was estimated to be $1.75/ton and $5.00/ton, respectively.
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