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RISS 인기검색어
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- 저자 : 박현진(Hyoun-Jin Park) (검색결과 5 건)
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반복적인 모세기관지염, 과반응 기관지염을 보인 영유아의 임상양상, 치료와 자연경과
박현진,김주현,전윤홍,이수영,김상용,강진한,Park, Hyoun Jin,Kim, Joo Hyun,Chun, Yoon Hong,Lee, Soo Young,Kim, Sang Yong,Kang, Jin Han 대한소아감염학회 2014 Pediatric Infection and Vaccine Vol.21 No.1
목적: 영유아기 두 번 이상 반복된 모세기관지염, 즉 과반응 기관지염(RAD)을 보인 환아의 임상양상, 치료와 5년 후 자연경과를 조사하고자 연구를 계획하였다. 방법: 2007년 1월부터 12월까지 연구병원 소아청소년과에 모세기관지염으로 2회 이상 입원한 영유아를 대상으로 하였다. 의무기록을 후향적으로 조사하였고, 추가로 5년 후 2013년 현재의 의학적 상태를 보호자와 전화면담을 시행하여 문의하였다. 결과: 2007년 1년간 총 63명의 영유아들이 2회 이상 모세기관지염으로 입원하였다. 연구대상의 평균연령은 8.1개월이었고, 이들 중 남아는 44명(69.8%)이었다. 입원 중 흡입 스테로이드 치료를 받은 환아는 62명(98.4%), 기관지확장제 치료 53명(84.1%) 항생제 치료 40명(63.5%)이었다. 대상 환아 63명 중 45명과 전화면담이 가능하였고, 이들 중, 2013년 현재 38명(84.4%)은 더 이상 호흡장애가 없었고, 5명(11.1%)은 알레르기 비염, 2명(4.4%)은 천식으로 치료 중이었다. 결론: 영유아기 반복적인 쌕쌕거림을 보였던 RAD 환아들의 대부분은, 호흡기가 성숙된 5년 후에는 더 이상 호흡장애를 보이지 않았다. 모세기관지염에 대한 국내 치료지침이 제안되어야 할 것이고 RAD의 자연경과에 대한 좀더 체계적인 연구가 필요하다. Purpose: The purpose of this study was to investigate the clinical manifestations and 5-year natural course of recurrent bronchiolitis or reactive airways disease (RAD) in infants. Methods: We reviewed the medical records of infants with recurrent bronchiolitis from January 2007 to December 2007 at The Catholic University of Korea St. Mary's Hospital in Incheon, South Korea. Additionally, we telephoned their parents to confirm their present medical statuses. Results: Sixty-three subjects with recurrent bronchiolitis were identified. The mean age at admission was 8.1 months and the number of males was 44 (69.8%). Of the 63 infants with recurrent bronchiolitis, inhaled corticosteroids, bronchodilators, and antibiotics were given to 62 (98.4%), 53 (84.1%), and 40 (63.5%), respectively. Among the total 63 subjects, we were able to contact the parents of 45 children by telephone. None of these children had been hospitalized during the previous one year period due to respiratory infections or for other medical reasons. Of the 45 subjects we were able to contact, 38 (84.4%) had not experienced any further respiratory difficulties at all. Five (11.1%) had been diagnosed with allergic rhinitis while two (4.4%) were being managed for asthma. Conclusion: Most children who presented with recurrent episodes of bronchiolitis in infancy did not show any further respiratory difficulties after five years of age.
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박현진 ( Hyoun Jin Park ) 한국지리환경교육학회 2002 한국지리환경교육학회지 Vol.10 No.3
The use graph in geography subject can contribute to expansion of basic graphicacy and to development of geographical skills including collecting, organization, and analysis of information. This study investigated quality of graph in geography texbook and learners` character of using graph, discussed direction for improvement of graph material in geography textbook. The investigation results to this are as follows. First, the types of graph that are often used in geography textbook are climo graph, bar graph, and pie graph, linegraph. Though type of graph is same, concrete form of grahp and the number of variables are beryvarious. Second, we can guess that students are apt to neglect core information and meaning of graph in case that form of graph is too complex. Above all, graph of too complex form isn`t good for development of geographical skills. Therefore graph materials used in geography subject of middle school must be developed in simple form in order to show core information obviously. And it is important to make students find geographical information, understand meaning of it for themselves.
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사탕무(Beta vulgaris L.) 의 자엽소 배양에 의한 callus 유기 적색색소 및 단백질 \ulcorner량의 변화
김현경,김도훈,정대수,박현진,Kim, Hyoun-Kyoung,Kim, Doh-Hoon,Chung, Dae-Soo,Park, Hyeon-Jin 한국생명과학회 1997 생명과학회지 Vol.7 No.4
In order to produce betacyanins from sugar beet(Beta vulagris L.) in vitro, callus induction, shoot formation, root formation, betacyanin contents and protein contents determined from callus which was induced cotyledons of sugar beet seedling under an addition of NAA and BAP on the MS medium. The results were summarized as follows; The combination 3.0mg/l NAA and 1.0mg/l BAP treatment showed the most high callus induction rate, betacyanin and protein contents. The combination NAA and BAP treatments were not shoot formation, but BAP treatments showed high root formation rate. But high concentrations of BAP have not shown root formation.
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박정호(Jeong-Ho Park),박현진(Hyoun-Jin Park),이대희(Dae-Hee Lee),김순경(Soon-Kyou Kim) 한국기계가공학회 2010 한국기계가공학회지 Vol.9 No.1
Pay off reel is the device to release in the form of coil. Every time the device becomes a hassle to exchange, each diameter of two forms has been applied to the coil reel. There is the change of reel diameter of the sleeve portion to be the part of segment geometry. This unit is conducting on 3-dimensional modeling design. The basic strength and deformation of the device could be checked in advance by the basis of 3-d modeling data to perform simulations. The production of each part can be completed and assembled. Conducted for the final product which is tested and measured, all items are satisfied within the limits of targets. Due to the development of this device, the efficiency on operations can be increased and the production time becomes shortened.
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칼슘과 아연으로 치환된 Y0.8 Pr0.₂ Ba₂ Cu₃ O7_δ 의 전기 및 자기적 성질에 관한 연구
김성재,전인,박영민,강재필,노태호,박현진,최숙자,송승기 명지대학교 자연과학연구소 1996 자연과학논문집 Vol.14 No.-
전이온도가 72K인 고온초전도체 Y?P?B?Cu?O?에서 초전도성을 감소시키는 Pr원소자리에 Ca과 Zn를 적당히 치환시켜 자기적 성질을 연구하였다. 초전도 전이온도(Tc)는 Ca이 치환된 시료의 경우 80~85k의 범위에서 측정되었으며, Zn가 치환된 경우에는 35~49K의 값을 보였다. 비저항의 온도 변화로부터 결정된 전기적 전이온도는 온도에 대한 자기모우먼트으 변화에서 구한 자기적 전이온도와 비슷한 값을 보였다. 자기이력곡선으로부터 Bean의 모델을 이용하여 Hcl(저임계자기장), Hc?(고임계자기장), 반자성정도, 임계전류밀도를 측정하였다. 이러한 성질들은 시료 내에 Ca의 치환량이 많아질수록 증가하였으며, Zn가 많아질수록 급격히 감소하였다. 특히 임계전류밀도는 x=0.0인 시료는 1.60x10?A/㎠이었으며 Ca이 치환된 시료는 1.30~1.98x10? A/㎠, Zn가 첨가된 시료는 3.5x10?~1.3x10?A/㎠의 값으로 계산되었다. 이것은 시료 내에서 Ca은 초전도성을 증가시키고, Zn는 초전도성을 감소시키는 것을 의미한다. We have studied magnetic properties as a appropriate substitute of Ca and Zn element for Prelement which reduces superconducting properties in the high-temperature superconductor Y?Pr?Ba?Cu?O? of transition temperature 72K. When Ca is put into, the critical temperature(Tc)showed the value of measurement at the range of 80~85K while for Zn the Tc had the range of 35~49K. The electric critical temperature determined by the temperature dependence of resistivity had a similar data to the magnetic field), Hc?(high critical magnetic field), diamagnetic ratio and critical current density have observed by Bean's model from the magnetic hysterisis curve. These properties were increased with adding Ca and abruptly decreased with adding Zn in the samples. Especially, the critical current density of x=0.0 sample was calculated at 1.60x10?A/㎠ and those of the other Ca-added samples at the range of 1.30~1.98xA/㎠and those of Zn-added samples at the range of 3.50x10?~1.30x10?A/㎠. These mean that Ca increases supercondecting properties in the sample and Zn element decreases them.
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