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진동 자극 유무에 따른 호흡 저항 훈련 시 폐 기능과 호흡근의 즉각적인 차이가 있을까?
박진영,김예슬,박현주,이명모,Park, Jin-Young,Kim, Ye-Seul,Park, Hyun-Ju,Lee, Myung-Mo 대한물리치료과학회 2018 대한물리치료과학회지 Vol.25 No.3
Purpose: The purpose of this study was to investigate the effect of whole body vibration combined breathing resistance on lung capacity and respiratory muscle and to suggest a mediation method for improvement of respiratory function and lung function in the future. Methods: This study was a preliminary study design of two groups of 54 healthy young adults who were randomly assigned to an experimental group (n=27) with core exercise combined with respiratory resistance and whole body vibration and a control group with respiratory resistance and core exercise (n=27). All interventions consisted of 6 core exercises every 40 seconds and rest for 20 seconds. To compare the effects of intervention, we measured spirometry and respiratory muscle strength. Results: Both the experimental group and the control group showed a significant increase in Forced vital capacity (FVC) and Maximum voluntary ventilation (MVV) (p<.05). However, FEV1 and FEV1% were significantly increase only in the experimental group (p<.05). FVC, FEV1%, Maximum Inspiratory Pressure (MIP), Maximum Expiratory Pressure (MEP) showed more significant increase in the experimental group than the control group. Conclusion: These findings indicate that whole-body vibration combined breathing resistance is an effective intervention for people, with FVC, FEV1%, MIP, MEP increase.
Al고압주조공법에서 사출슬리브 온도 조절을 통한 Chill layer의 최적 제어
박진영,김억수,박용호,박익민,Park, Jin-Young,Kim, Eok-Soo,Park, Yong-Ho,Park, Ik-Min 한국재료학회 2006 한국재료학회지 Vol.16 No.11
In this study, the effect of chill layers occurred in shot sleeve on the molten metal filling was analyzed through computer simulation. The behavior of chill layers with temperature variation of shot sleeve set from 200 to $280^{\circ}C$ was also investigated. The simulation results showed the chill layers set in the in-gates during the injection process change the main filling direction and cause turbulent flow pattern, resulting in porosities inside the castings. The amount of chill layers with the increasing temperature of shot sleeve was considerably reduced. Particularly, at the setting temperature of $280^{\circ}C$ by heat control unit, the biggest reduction in chill layers, excellent trimmed surface and the highest density were achieved, suggesting that as the optimal sleeve condition in aluminum high pressure diecasting, especially for highly complex parts like valve body.
국부가압 다이캐스팅 공정에서 3차원 유동 및 응고해석을 통한 자동차 변속기 Gear Housing의 주조방안 설계 최적화
박진영,김억수,박용호,박익민,Park, Jin-Young,Kim, Eok-Soo,Park, Yong-Ho,Park, Ik-Min 한국재료학회 2006 한국재료학회지 Vol.16 No.11
In the partial squeeze casting process, the filling behavior of liquid metal and solidification pattern in thick area have significant influence on the quality of casting products and die life. For the optimal casting design of automobile transmission gear housing, various analyses were performed in this study by using computer simulation code, MAGMAsoft and the simulation results were compared and analyzed with experimental results. By air pressure criteria, internal porosities caused by air entrap during the mold filling were predicted and reduced remarkably by modification of gating system. Also, optimal squeeze-time lag to apply partial squeeze pin in thick area was calculated and the castings was free from shrinkage defects with the result of solidification analysis. Consequently, casting design for automobile transmission gear housing was optimized and approved by Computer Tomography.
퉁퉁마디를 가해하는 퉁퉁마디뿔나방 Scrobipalpa salinella (Zeller) (나비목, 뿔나방과)의 재발견 및 피해
박진영,박규택,Park, Jin-Young,Park, Kyu-Tek 한국응용곤충학회 2008 한국응용곤충학회지 Vol.47 No.4
전남 신안군의 퉁퉁마디 재배지에서 대 발생하여 피해를 초래한 해충이 뿔나방과의 Scrobipalpa salinella (Zeller)로 확인되었다. 본 종은 Park & Ponomarenko (2006)에 의해 국내에서 처음 보고된 바 있다. 그러나 동정이 어려운 암컷 한 개체를 대상으로 하였으며, 염생식물이 없는 산간지역에서 발견된 점 등으로 분포에 대한 의문점이 상존해 왔었으나 금번 조사결과로 국내 분포가 재 확인되었다. 종의 분류동정을 위한 성충과 생식기의 사진 제공과 함께 유충의 발생 및 피해에 대해 조사된 내용을 기술하였다. In a cultivated field of Salicornia europae in the Jeonam Province, Korea, Scrobipalpa salinella (Lepidoptera, Gelechiidae) which feeds and leads to a serious damage was found. The discovery of this species is to reconfirm its distribution in Korea because the first report by Park and Ponomarenko (2006) was based on a single female and it was collected in a montane area far from seaside where its host plants, halophytes, are planted. For identification, photos of imago and genitalia are given, and the damage by larvae on Salicornia europae are noted.
아동기에 주의력결핍 과잉행동증상을 경험한 성인의 정신병리와 기질 성격 요인
송열매(Yul-Mai Song),이건석(Kounseok Lee),한덕현(Doug Hyun Han),이영식(Young Sik Lee),민경준(Kyung Joon Min),박진영(Jin Young Park),김준원(Jun Won Kim) 대한소아청소년정신의학회 2013 소아청소년정신의학 Vol.24 No.4
Objectives:The objective of this study is to find out the differences in psychopathology, temperament, and character factors between young adults with and without childhood attention-deficit hyperactivity disorder (ADHD) symptoms. Methods:The subjects consisted of 314 university students (male=72, female=242) in Gongju. They were divided into childhood ADHD group (N=54) and normal group (N=260) to the Wender-Utah Rating Scale. Participants were assessed using Korean Adult ADHD Scale, Beck Depression Inventory-II, Beck Anxiety Inventory, Kimberly Young’s Internet Addiction Test, Barratt Impulsiveness Scale, Paranoia Scale, Korean-Schizotypal Ambivalence Scale, Lubben Social Network Scale, and Temperament and Character Inventory-Revised. Descriptive statistics, t-test, chi-square, spearman correlation, and stepwise multiple regression were applied to analyze the data. Results:Participants with childhood ADHD symptoms had high level of adult ADHD symptoms (p<.001), impulsiveness(p=.001), depression (p<.001), anxiety (p<.001), internet addiction (p<.001), paranoia tendency (p<.001) and low level of selfesteem (p<.001) compared to normal group. Self-directedness (p<.001) was lower, Harm avoidance (p=.001) and Self-transcendence (p=.029) were higher in the childhood ADHD group. In correlation and stepwise multiple regression, childhood ADHD symptoms were significantly associated with cooperativeness (r=-0.515 and β=-0.547, p<.001 respectively). Conclusion:This result showed that young adults with childhood ADHD symptoms had various forms of psychopathology and childhood ADHD symptoms were influenced by character such as cooperativeness. Therefore, more thorough evaluation regarding childhood ADHD symptoms is needed.
박진영,정경태,멍예,박희곤,Park, Jin-Young,Chung, Kyung-Tae,Meng, Ye,Park, Hee-Gon 대한견주관절학회 2002 대한견주관절의학회지 Vol.5 No.1
Purpose : To compare and analyze the results of arthroscopic subacromial decompression and rotator cuff repair between partial rotator cuff tear and complete rotator cuff tear. Material and Methods : The authors studied 42 patients of rotator cuff tear with operation and followed over one year at Dankook university hospital from September, 1998 to March, 2001 The patient average age is 53 years and follow up period is 23 months (12-42mon1hs). We obtained 22 cases in the partial rotator cuff tear group and 20 cases in the complete rotator cuff tear group. In all cases, we used ASES methods to evaluated pain scale and function. Result : In the last follow up patients, the pain scale is decreased from 7.2 to 0.9 (ASES method : 34 to 91) in the partial rotator cuff tear group and from 7.6 to 1.2 (ASES method . 29 to 88) in the complete rotator cuff tear group, but there was no evidence of statistical difference between two groups (P>0.05). The range of motion after operation were increased in two groups. Excellent to good results were obtained 93% and 95% patients had pain relief and satisfied function. Conclusion : Arthroscopic subacromial decompression and arthroscopic rotator cuff repair showed good results for both of (ult-thickness and partial thickness rotator cuff tear patients in pain relief and improving the function.
박진영,김승철,이지영,차상훈,Park, Jin-Young,Kim, Seung-Cheol,Lee, Jee-Young,Cha, Sang-Hoon 대한영상의학회 2003 대한영상의학회지 Vol.48 No.5
Purpose: To assess the usefulness of percutaneous vertebroplasty for the treatment of painful osteoporotic vertebral compression fractures. Materials and Methods: Eighty five patients [70 women and 15 men aged 51-88 (mean, 70) years with 141 vertebral compression fractures underwent percutaneous vertebroplasty. The causes of fracture were slip, lifting, fall, traffic accident, walking, and other unknown causes; the duration of pain varied from three days to two years. All patients underwent MRI or CT to assess the recent condition of the fracture, and vertebroplasty was performed under DSA fluoroscopic guidance. Routine clinical follow-up examination involved visual analogue pain-scale testing one and two days after vertebroplasty; the results obtained were compared with those of pre-operative assessment. The outcome of vertebroplasty was assessed in terms of its efficacy and resulting complications, if any. Results: The procedures were technically successful in all patients. In 73, back pain was relieved within 24 hours; in nine, within 48 hours and in one, within seven days. In two patients, pain relief was insignificant, and one of these died. Conclusion: Percutaneous vertebroplasty was a useful procedure for treating painful osteoporotic compression fractures. 목적: 골다공증에 의한 척추의 압박 골절을 척추 성형섭?치료하였는데 그 경험을 보고하고자 한다. 대상?방법: 척추 압박 골절이 있던 85명의 환자(70 여성, 15 남성: 나이 51-88세, 평균 70세)에서 148개의 골절을 척추 성형섭?치료하였다. 다친 후 통증의 기간은 3일에서 2년이쓴? 골절은 넘어지거나, 무거운 물건을 들거나, 떨어지거나 교통사고 혹은 걷다가 발생하였고, 원인을 알 수 없는 경우도 있쓴? 골절의 최근 상황을 파악하기 위해 모든 환자에서 MRI 혹은 CT를 촬영하였다. 척추 성형셈?혈관 조영 투시 하에서 이루어졌다. 모든 환자에서 통증 시각 측정표를 이용하여 시?전, 1일 후, 2일 후에 통증의 정도를 객관화하여 비교하였다. 또한 척추 성형셈?효걀?합병증에 대해서도 분석하였다. 결? 기셈岵막?모든 예에서 성공하였다. 일흔 세 명의 환자는 시?후 24시간 이내에 통증이 완화되쒼? 9명은 48시간 이내, 1명은 일주일 후에 통증이 완화되쓴? 두 명의 환자는 통증의 완화가 거의 없쓴쨉?이들 중 1명은 사망하였다. 결론: 척추 성형셈?통증이 심한 척추 압박 골절에 효걋岵?치료 방법이쓴?
국내 건설공사 시공 VE 제도 인식조사에 기반한 개선방안
박진영,서호형,김병수,Park, Jin-Young,Seo, Ho-Hyong,Kim, Byung-Soo 한국건설관리학회 2018 건설관리 : 한국건설관리학회 학회지 Vol.19 No.3
건설사업 VE는 크게 설계단계 VE와 시공단계 VE로 분류되며, 적용 시기가 빠를수록 그 효과가 향상된다. 이에 따라 설계단계 VE가 2000년에 법제화되어 활발하게 적용되고 있다. 하지만 설계 VE 제도와 상호보완적일 수 있는 시공 VE의 활성화가 절실하다. 그동안 시공 VE 제도의 필요성, 기술개발보상제도의 개선, 시공 VE의 구체적인 실천방안 등을 제시하여 시공 VE의 활성화를 위해 많이 노력하였지만, 관련 법 규정의 미비로 인하여 효과적이지 못하였다. 본 연구는 이러한 국내 현실을 인식하고 시공 VE의 활성화를 위해 국내외 시공 VE 제도를 비교 및 분석하고, 건설산업 각 분야 전문가 설문조사를 실시하여 국내 건설산업에 적합한 시공 VE 제도의 개선방안을 제안하였다. Construction business VE is classified into design stage VE and construction stage VE. The faster the application, the better the effect. Therefore, the design stage VE was legislated in 2000 and actively applied. However, it is urgent to activate the construction VE, which is complementary to the design VE system. In the meantime, we have made a lot of efforts to activate construction VE by suggesting the necessity of construction VE system, improvement of technology development compensation system, concrete implementation method of construction VE, but it was not effective due to lack of related laws. This study compares and analyzes construction VE system in Korea and abroad for the activation of construction VE after recognizing such domestic reality. A survey of experts in each field of the construction industry was conducted and suggestions for improvement of construction VE system suitable for domestic construction industry were suggested.
음성구간 검출기의 실시간 적응화를 위한 음성 특징벡터의 차원 축소 방법
박진영,이광석,허강인,Park Jin-Young,Lee Kwang-Seok,Hur Kang-In 한국융합신호처리학회 2006 융합신호처리학회 논문지 (JISPS) Vol.7 No.3
본 논문에서는 다양한 잡음환경에서의 실시간 적응화 기법을 적용하기 위한 선결 과제로 다차원 음성 특정 벡터를 저차원으로 축소하는 방법을 제안한다. 제안된 방법은 특징 벡터를 확률 우도 값으로 매핑시켜 비선형적으로 축소하는 방법으로 음성 / 비음성의 분류는 우도비 검증 (Likelihood Ratio Test; LRT) 을 이용하여 분류하였다. 실험 결과 고차원 특징 벡터를 이용하여 분류한 결과와 대등하게 분류됨을 확인할 수 있었다. 그리고, 제안된 방법에 의해 검출된 음성 데이터를 이용한 음성인식 실험에서도 10차 MFCC(Mel-Frequency Cepstral Coefficient)를 사용하여 분류한 경우와 대등한 인식률을 보여주었다. In this paper, we propose the dimension reduction method of multi-dimension speech feature vector for real-time adaptation procedure in various noisy environments. This method which reduces dimensions non-linearly to map the likelihood of speech feature vector and noise feature vector. The LRT(Likelihood Ratio Test) is used for classifying speech and non-speech. The results of implementation are similar to multi-dimensional speech feature vector. The results of speech recognition implementation of detected speech data are also similar to multi-dimensional(10-order dimensional MFCC(Mel-Frequency Cepstral Coefficient)) speech feature vector.
박진영,Park, Jin-Young 대한소아외과학회 2004 소아외과 Vol.10 No.2
1994년 1월부터 2003년 6월까지 경북대학교 의과대학 외과학 교실에서 경험한 선천성 장폐쇄증 환자 36명을 대상으로 재태기간과 출생시 체중, 산전진단 및 출생장소, 임상소견, 수술전 검사, 동반기형, 수술방법, 형태학적 분류, 합병증 및 사망률을 후향적으로 검토하였다. 총 36예의 환자중에서 십이지장 폐쇄증 17예, 공장 폐쇄증 11예, 회장 폐쇄증 8예 있었다. 남녀비는 십이지장 폐쇄증은 1.4:1, 공장 폐쇄증 2.7:1, 회장 폐쇄증의 경우는 7:1 이었다. 형태학적 분류에서 십이지장 폐쇄증은 3형이 7예로 가장 많았으며, 공장 및 회장 폐쇄증은 1형이 10예로 가장 많았으며, 3a형이 7예 있었다. 임상 소견은 담즙성 구토와 복부 팽만이 가장 흔한 증상이었다. 수술 전 검사는 십이지장 페쇄증은 전예에서 단순복부촬영만으로 정확하게 진단이 가능하였다. 동반 병변은 십이지장 폐쇄증 환자 중선천성 심기형 6예, 다운증후군이 3예 있었고, 공장 및 회장 폐쇄증에서는 3예에서 태변성 복막염이 동반되었다. 수술방법은 부분절제술을 시행한 경우가 13예로 가장 많았다. 술 후 합병증은 문합부 유출 3예, 장 폐색증 3예, 창상 감염이 3예 있었으며, 십이지장 폐쇄증 환자 2예 9사망률:11.8 %)에서 동반된 선천성 심 기형으로 사망하였으며, 공장 폐쇄증 환아 2예(사망률: 18 %)는 폐혈증과 3b 형에서 장 절제 후 단장 증후군으로 각각 사망하였다. Intestinal atresia is a frequent cause of intestinal obstruction in the newborn. We reviewed the clinical presentation, associated anomalies, types of atresias, operative managements, and early postoperative complications in 36 cases of intestinal atresia treated at the Department of Surgery, Kyungpook National University Hospital between January 1994 and February 2003. Location of the lesion was duodenum in 17 patients, jejunum in 11 patients and ileum in 8 patients. The male to female ratio was 1:1.4 in duodenal atresia (DA), 2.7:1 in jejunal atresia (JA) and 7:1 in ileal atresia (IA). The most common type was type III (41.1 %) in DA, and type I (52.6 %) in JA and IA. The most common presenting symptoms was vomiting(88.2 %) in DA, but in jejunoileal atresia, vomiting(89.4 %) and abdominal distension(89.4 %) were the most common sign and symptom. All cases of DA were diagnosed by plain abdominal radiography. There were 6 cases of DA with congenital heart disease, 3 cases of DA with Down syndrome and 3 cases of JA with meconium peritonitis. Segmental resection was performed in 13 cases, duodenoduodenostomy in 11 cases, membrane excision in 7 cases, jejunojejunostomy in 2 cases, gastroduodenostomy in 2 cases and ileocolic anastomosis in 1 case. There were 9 postoperative complications including 3 each of anastomotic leakage, wound infection, and intestinal obstruction 3 cases. The mortality rate for DA was 11.8 %(2/17). Both deaths in DA were attributed to congenital heart disease. The mortality rate for JA was 18% (2/11). Both cases died with sepsis and short bowel syndrome.