http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
황정남,진원배 동국대학교 재료과학연구소 1981 材料科學硏究所 論文集 Vol.1 No.-
本 硏究에서는 對稱 및 非對稱 電荷變換에 대한 Rapp와 Francis의 理論을 유효 이온화 에너지와 충격인자를 사용하여 개량하였으며, 理論式을 Perel 및 C.N. Whang의 實驗結果와 비교해 본 결과 잘 일치함을 알 수 있었다. 대칭 전하 변환과정에서 입자이온의 에너지가 증가함에 따라 단면적이 감소하며, 비대칭 변환과정에서 입사이온의 속도가 증가함에 따라 단면적이 감소한다. A modified Rapp and Francis theory for the symmetric and antisymmetric charge transfer is developed, using an effective ionization potential and modified impact parameter. The theoretical values are in good agreement with experimental results. The σ_10 for Li^++Li decrease with increasing Li^+ ion energy, and the non resonance σ_10 for Li^++Cd shows the expected abiabatic increase with increasing velocity.
의료기관을 대상으로 한 보건통계조사의 적정표본설계 방법론에 관한 연구
황정남 한국보건통계학회 1987 보건정보통계학회지 Vol.12 No.1
This study contains a detailed description of the sample survey design, estimating techniques by survey method and quality control devices related to medical facilities survey for health statistics. Thus it is a research of the technical structure of undertaking. It is also a result of the result of the research of how the structure of the study were put into place; the inicial purpose and objective, the available target population, the theoritical background of the sampling, the constraints and characteristic of the medical facilities survey, the determination of unit cost for survey, the balancing of contrasting requirements, efforts to optimize the sampling plan including use of new pattern of controlled selection, a scheme for gradual introduction of an increasing number of medical facilities with data validation and basic formal model for the sampling. In the practical sample design abour medical facilities, as with most large-scale sample survey, the designs and sample selection process may be complicated by in complete frame, non-response and measurement problem. However, it may apear unlikely that practically important non sampling bias will result in from the estimation procedure refered in this study This may require futher research on the effect of the hospital sample survey according to various purposes.
이온 공간 전하에 의한 Mylar 박막의 열자격 전류 극대치의 온도 위치 변화
황정남,김현정 연세대학교 교육대학원 1984 연세교육과학 Vol.25 No.-
Thermally stimulated current curves from ion injected mylar film using liquid contact charging method show two peaks at about 350 K (peak A) and 380 K (peak B). Peak A is found to be due to ionic spice charge polarization. Activation energy and escape frequency for peak B is found to be (2.54±0.21) eV and (4.17±0.16)×1032 sec-1, respectively. And TSC intensities are increased with increasing the concentration of ions, while TSC peak temperature are decreased. These results are in good agreement with theoretical values.
Li+이온이 주입된 Polyethyleneterephthalate(PET)의 이온공간전하 열자극전류
김명수,황정남 崇田大學校 1985 論文集 Vol.15 No.1
절연체 내부의 이온공간전하 열자극전류(ITC)를 조사하기 위하여 두께가 25㎛인 Mylar film에 L??이온을 주입시켰다. 374K에서 ionic TSC Peak가 나타났으며 350K에서 electronic TSC peak가 나타났다. Ion trapping site에 대한 활성화에너지는 (2.06 ±0.12)eV이었다. Bipolar space charge thermocurrent에 대한 이론을 개발하여 실험값과 비교한 결과 이론적으로 예측되는 바와 같이 ionic TSC는 L??이온의 도달거리의 제곱에 비례하였고 electronic TSC는 결함생성율에 비례하였다.
黃正男,朴冠鎬,南信佑 동국대학교 대학원 1980 大學院硏究論集-東國大學校 大學院 Vol.10 No.-
The effects of neutron and electron irradiation on defects energy levels and infrared absorption in Si were studied. The defects energy levels were determined using admittance spectroscopy. Two electron trap energy levels(E_c―0.15eV and E_c―0.37eV) and two hole trap energy levels(E_v+0.18eV and E_v+0.40eV) were observed in fast neutron irradiated n and p type silicon, and two electron trap energy levels(E_c―0.19eV and E_c―0.41eV) were observed in electron irradiated silicon. 3.5㎛ infrared absorption band were observed in neutron irradiated n type Si, and 3.9㎛ and 6㎛ absorption band in p type Si.