http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
지역정보화 지수에 의한 지역개발연계효과 분석에 관한 연구
박재홍(JaeHong Park),박철수(Chul Soo Park),박완수(Wan Soo Park) 한국지역학회 1998 지역연구 Vol.14 No.1
The purpose of this paper is to present an informatization stratagem for a balanced development around the whole country by employing Regional Information Index. In order to demonstrate the region information level by applying the factor analysis in the study, it has been divided into three catagories, such as the generation of information, the distribution of information, and the consumption of information. According to the empirical analysis between 1985 and 1995, the regional differences of the levels of the consumption and the distribution of information have been reduced gradually. On the other hand, the generation of information is significantly concentrated around Seoul Metropolitan Area. Therefore, strategic efforts providing information infrastructures as well as introducing information industries associated with informatization will guarantee a balanced development around the country.
JaeHong Park,YoungRong Bang,ChulKwon Kim 대한신경정신의학회 2014 PSYCHIATRY INVESTIGATION Vol.11 No.3
Objective-The aims of the present study are to investigate the rate of the psychiatric disorders in psychiatrically high-risk children and adolescents and to examine sex and age differences in the diagnosis of psychiatric disorders. Methods-The participants included students aged 6–16 from the 27 elementary and the 45 middle schools in Busan, Korea. We screened psychopathology using the Korean version of Child Behavior Checklist (K-CBCL) or the Youth Self Report (K-YSR). A total of 2,912 students were selected as high-risk students on the basis of cut-off scores (T-score ≥60) for a total behavior problem score of KCBCL/ K-YSR. Of these high-risk students, 1,985 students participated in and completed individual diagnostic interviews. Psychiatric diagnosis was assessed using a Korean version of the Kiddie-Schedule for Affective Disorders and Schizophrenia. Multivariate logistic regression analysis was conducted to examine sex and age differences of psychiatric diagnosis. Results-Based on sex, boys were more likely to have ADHD and girls were more likely to have depression. Based on age, children were more likely to have ADHD and adolescents were more likely to have affective disorder, conduct disorder, psychotic disorder, and anxiety disorders except separation anxiety disorder. Conclusion-This is the largest study to conduct face-to-face interviews with subjects and parent(s) among Korean studies in this field. The present study revealed significant differences across sex and age among specific psychiatric disorders in children and adolescents. Future population-based studies will be required to ascertain the sex- and age-related differences of psychiatric prevalence.
Synthesis of aerosol nanoparticles by spark discharge and applications
Jaehong Park,Jeong Hoon Byeon,Ki Young Yoon,Jae Hong Park,Jungho Hwang 한국입자에어로졸학회 2009 Particle and Aerosol Research Vol.5 No.3
activation with Pd and Pt aerosol nanoparticles produced by spark discharge was introduced. After annealing, the catalytically activated substrate placed into a solution for electroless silver deposition. The silver was then formed only on the activated regions of the substrate. Silver line patterns having a width of 18 μm and a height of 1 μm were created with the ability to be effectively reproduced. Antimicrobial nanoparticles such as silver were used for removal of bioaerosols. Silver nanoparticles deposited air filters such as ACF filters were evaluated by antimicrobial test.
Photodissociation of Methane at Lyman Alpha (121.6 nm)
Jaehong Park,한진욱,이휘건,이정우,Kijo Sim 대한화학회 2008 Bulletin of the Korean Chemical Society Vol.29 No.1
Laser induced fluorescence studies of hydrogen atom using four wave mixing technique are reported for the photodissociation of CH₄ and its isotopomers at Ly α(121.6 nm). The source of dissociating and probe radiation is one and the same (delay time ≤20 nsec). The average translational energy of ejected hydrogen atoms (50 Kcal/mol) reveals that CH₄+ hv(수식)CH₃ + H(²S) and CH4 + h(수식)CH²(a¹A₁) + H₂(1∑g) are the main dissociation processes. The absolute quantum yield for CH₄and CD₄ are the same, ∮H(CH₄) = ∮D(CD₄) = 0.31 ± 0.05. If one divides the experimental H/D ratios from the isotopomers CH₃D, CH₂D₂, CHD₃ by the isotopic H/D ratios, a value 2 is obtained in all three cases. Overall, the heavier D atoms are more likely than the H atoms to remain attached to the carbon atom
Synthesis of aerosol nanoparticles by spark discharge and applications
Park, Jaehong,Byeon, Jeong Hoon,Yoon, Ki Young,Park, Jae Hong,Hwang, Jungho 한국입자에어로졸학회 2009 Particle and Aerosol Research Vol.5 No.3
This paper reviews about synthesis of nanoparticles by spark discharge and applications. A method of catalytic activation with Pd and Pt aerosol nanoparticles produced by spark discharge was introduced. After annealing, the catalytically activated substrate placed into a solution for electroless silver deposition. The silver was then formed only on the activated regions of the substrate. Silver line patterns having a width of $18{\mu}m$ and a height of $1{\mu}m$ were created with the ability to be effectively reproduced. Antimicrobial nanoparticles such as silver were used for removal of bioaerosols. Silver nanoparticles deposited air filters such as ACF filters were evaluated by antimicrobial test.