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J. He,Q.Z. Cai,D. Zhu,Q. Luo,D.Q. Zhang,X.W. Li,X. Zhao,W. Sun 한국물리학회 2011 Current Applied Physics Vol.11 No.1
A WO_3/TiO_2 composite film was in-situ prepared in tungstate electrolyte and characterized by Electron microscopy, X-ray diffraction, UV―Vis spectrophotometer and Photoluminescence. The oxide film consists of mixture phases of anatase and rutile, showing porous structures and metallurgical bond with substrate. With the incorporation of WO_3 into TiO_2, the optical absorption edge of TiO_2 filmwas shifted to longer wavelength slightly and the separation between electrons and holes was promoted effectively. WO_3/TiO_2 composite film with increased photo quantum efficiency will be promising in the treatment of environmental pollutants.
Micromanganese-Nodule의 選鑛에 關한 硏究(제2보)
엄제현,박동기,김익수,성일용,김종윤,김진석 三陟大學校 2003 論文集 Vol.36 No.-
For the purpose of researching of the micromanganese-nodule floatability, the test was performed by means of the flotation experiment. The sample of flotation experiment used the micromanganese nodule obtained from siliceous deep-sea clay. The flotation condition in the flotation experiment were as follow. Sample size : 65mesh ∼ 200mesh Conditioning time : 10min Flotation time : 4min Air amount : 20㎖/min Promoter : DACI, Kerosene pH regulator : HCI, CaO From the above test the flotation results were summerized as follow. (1) The micromanganese nodule recovery was the best at pH 7∼9 (2) The micromanganese nodule recovery was the best using DACI+Kerosene in the promoter at pH 7. (3) The best recovery of micromanganese nodule was 80% using DACI 50㎎/ℓ +Kerosene 200㎎/ℓ in the promoter at pH 7.
엄제현,박동기,김익수,성일용,김종윤,김진석 三陟大學校 産業科學技術硏究所 2003 産業科學技術硏究論文集 Vol.8 No.1
The applicability of a sulphation-floatation process was considered in order to depress of galena in a mineral processing process of complex sulphide ores. The galena will be depressed in the floatation step because of the formation of a PbSO₄ film on the surface of galena. when a PbS bulk concentrate is treated with sulphuric acid. The optimum conditions of the sulphation treatment for depressing galena were found to be 30%. and about 5 minutes of retention, with 18 Vol. % H₂SO₄. under these conditions. galena was sulphated only slightly and thus in complete depression in the floatation.
Observation of Parametric Resonance in a Magneto-Optical Trap
Jhe, Won-Ho,Noh, Heung-Ryoul,Kim, Ki-Hwan,Ha, Hyun-Ji 한국광학회 2003 Current Optics and Photonics Vol.7 No.2
We demonstrate parametric resonance in a magneto-optical trap. When we modulate the intensity of the cooling laser at about twice the resonant frequency of the trap, the atoms in the trap are divided into two parts and oscillate with 180 degree phase difference with the finite length due to nonlinearity of the trap potential. These are the effects of general nonlinear dynamics, called the Hopf bifurcation, or limit cycle motion. The amplitude and the phase of the oscillations are measured and compared with the theoretical calculations based on simple Doppler cooling theory. The experimental results are in excellent agreement with the simulation results based on the simple Doppler cooling theory.
제성호(Jhe, Seong Ho) 중앙대학교 법학연구원 2017 法學論文集 Vol.41 No.1
In the past, Germany responded to terrorism by laws and regulations relating to criminal matters or procedures and intelligence service or investigative powers. But after the formidable 9/11 terrorist incident, German government has aimed at perfection in coping with terrorist activities through enacting a series of new special laws, including Terrorismus-bekämpfungsgesetz(2002), Terrorismusbekämpfungs-ergänzungs gesetz(2007) etc. In particular, it has been making every effort for the prevention and/or suppression of terrorist offences by monitoring terrorism-related movements, positive exercise of investigative authority, tightening security check in exit and entry, tracing terrorist fund and strengthening punishment of terrorists. Besides, it established the Gemeinsames Terrorismusabwehrzentrum which is a cooperative institution for counter-terrorism in 2004. This organization has served not only as a terroristic intelligence integrating center but also as an effective governmental anti-terrorism network. Now German case is estimated as a good and advanced model. On the other hand, decision on “partial unconstitutionality” of the Federal Criminal Police Office(Bundeskriminalam) Act delivered by German Federal Constitutional Court in April 2016 has great implications for us in regard to limitation of investigative agency s power to prevent terrorism or minimization of human rights violation.
제성호(Jhe Seong Ho) 북한법연구회 2004 북한법연구 Vol.7 No.-
근본적으로 북한의 열악한 인권상황이 개선될 기미가 보이지 않고 있다. 이에 국제사회가 인류의 양심을 걸고 적극 나서기 시작했다. 2003년에 이어 금년에도 유엔인권위원회는 북한인권 결의를 채택한 것은 가장 대표적인 조치이다. 문제는 북한의 태도이다. 북한은 국제사회의 인권개선 요구를 체제전복 수단으로 간주하기 때문에 쉽게 호응할 것 같지는 않다. 그렇다고 하더라도 국제사회는 가능한 기회와 모든 수단을 활용,지속적으로 북한인권문제를 거론하고 공론화해야 한다. ‘거론’이 있어야 ‘개선’이 있을 수 있기 때문이다. 더 이상 소극적 자세와 무관심은 용납되지 않을 것이다. Poor situation of human rights in North Korea has not yet been improved fundamentally. International society started to tackle North Korean human r^hts actively in the name of human being s conscience. For example, the United Nations Commission on Human Rights(CHR) has adopted a Resolution on North Korean Human Rights Situation in April 2004. It is one of the most strongest expression of mankind s demand for the promotion of human rights in North Korea. TTie key to problem solving is in the DPRK s attitude. It is high likely that North Korean government does not accept such a demand easily. It is because North Korea regards it as a means of overthrowing its own political regime. None-the-less, international society should mention and make pubic North Korean Human R^hts Situation by taking advantage of as much opportunity as possible. That s why where there is mentioning, there can be improvement. No concern or negative attitude can be allowed any longer in North Korean Human Rights issue.