http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Cu(In,Ga)Se₂ 박막의 KF 처리가 CIGS태양전지에 미치는 영향
정광선(Gwang Sun Jeong),차은석(Eun Seok Cha),문선홍(Sun Hong Moon),안병태(Byung Tae Ahn) 한국태양광발전학회 2015 Current Photovoltaic Research Vol.3 No.2
We applied KF on CIGS film to modify CIGS surface with a wider-bandgap surface layer. With the KF deposition the surface of CIGS film had fine particle on the CIGS surface at 350 and 300°C. No fine particle was detected at 500 and 250°C. With the KF treatment, the Ga and O content increased at the surface, while the In and Cu content decreased. The valence band maximum was lowered with KF treatment. The composition profile and band structure were positive side of applying KF on the CIGS surface. However, the efficiency decreased with the KF treatment due to high series resistance, probably due to too thick surface layer. A smaller amount of KF should be supplied and more systematic analysis is necessary to obtain a reproducible higher efficiency CIGS solar cells.
Injury incidences in scuba divers of British Sub-Aqua Club (BSAC) : A retrospective study
Jun-Youl Cha,Gwang-Suk Hyun,Jung-Min Park,Nam-Heung Cho,Yong-Seok Jee 한국운동재활학회 2015 한국운동재활학회 학술대회 Vol.2015 No.10
Scuba diving itself is generally known as a safe sports. However, various injury accidents can happen, and the incidences vary depending on divers' education grade levels about the risks. Therefore, the study set out to identify and analyze the causes and patterns of injuries depending on the divers' safety education grade levels through a questionnaire survey targeting Ocean divers (n=12), Sports divers (n=16), and Dive leaders (n=15), all of whom belong to the British Sub-Aqua Club (BSAC). After conducting a frequency analysis on the collected questionnaires, the results are made as follows. First, in terms of diving depth, the most frequent diving depth was 15-20m among Ocean divers, 20-25m among Sports divers, and 15-20m in case of Dive leaders. Second, with regard to the causes of injuries, the most frequently answered causes are 'Overtension' and 'Low Skill' among Ocean divers; 'Low Skill' among Sports divers; 'Overaction among Dive leaders. Third, in terms of injury patterns, the most frequently answered injury patterns are 'Ear' injuries among Ocean divers; 'Ankle' injuries among Sports divers; 'Ankle' and 'Calf' injuries among Dive leaders. Fourth, with regard to who performed first-aid when an injury accident happened, the most frequent answers are 'Instructor' among Ocean divers; 'Instructor' and 'Self' among Sports divers; 'Self" among Dive leaders.
Jun, Jae Yeoul,Choi, Seok,Chang, In-Youb,Yoon, Cha Kyung,Jeong, Hye-Gwang,Kong, In Deok,So, Insuk,Kim, Ki Whan,You, Ho Jin Nature Publishing Group 2005 British journal of pharmacology Vol.144 No.2
We investigated the role of deoxycholic acid in pacemaker currents using whole-cell patch-clamp techniques at 30°C in cultured interstitial cells of Cajal (ICC) from murine small intestine.The treatment of ICC with deoxycholic acid resulted in a decrease in the frequency and amplitude of pacemaker currents and increases in resting outward currents. Also, under current clamping, deoxycholic acid produced the hyperpolarization of membrane potential and decreased the amplitude of the pacemaker potentials.These observed effects of deoxycholic acid on pacemaker currents and pacemaker potentials were completely suppressed by glibenclamide, an ATP-sensitive K<SUP>+</SUP> channel blocker.NS-398, a specific cyclooxygenase-2 (COX-2) inhibitor, significantly inhibited the deoxycholic acid-induced effects. The treatment with prostaglandin E<SUB>2</SUB> (PGE<SUB>2</SUB>) led to a decrease in the amplitude and frequency of pacemaker currents and to an increase in resting outward currents, and these observed effects of PGE<SUB>2</SUB> were blocked by glibenclamide.We next examined the role of deoxycholic acid in the production of PGE<SUB>2</SUB> in ICC, and found that deoxycholic acid increased PGE<SUB>2</SUB> production through the induction of COX-2 enzyme activity and its gene expression.The results suggest that deoxycholic acid inhibits the pacemaker currents of ICC by activating ATP-sensitive K<SUP>+</SUP> channels through the production of PGE<SUB>2</SUB>.British Journal of Pharmacology (2005) 144, 242–251. doi:10.1038/sj.bjp.0706074 Published online 29 November 2004
광학형광법에 의한 란탄족 원소의 정밀분석법에 관한 연구 일부 : TTA, n-Octanol 과 Triton X-100 의 삼성분 착물계에 의한 희토류 원소의 형광분석 방법
차기원,박광원,하영구,김하석,Cha, Gi Won,Park, Gwang Won,Ha, Yeong Gu,Kim, Ha Seok 대한화학회 1994 대한화학회지 Vol.38 No.9
pH 7인 수용액에서 2-thenoyltrifluoroacetone(TTA), n-octanol과 Triton X-100의 존재하에서 유로퓸과 사마륨의 형광세기가 크게 증가하였다. 또한 이 착물에 과량의 $La^{3+}$을 첨가할 때 형광세기가 100배 이상 증가하였다. 유로퓸과 사마륨의 최대 들뜨기 파장은 각각 345 nm과 380 nm이고, 최대 형광파장은 각각 617 nm, 567 nm 이었다. 유로퓸과 사마륨의 형광세기는 농도가 각각 $1{\times}10^{-7}∼1{\tiems}10^{-9}\;M,\;1{\tiems}10^{-5}∼1{\times}10^{-7}\;M$에서 직선적으로 증가하였고, 유로퓸은 $1{\times}10^{-11}\;M$ 그리고 사마륨은 $1{\times}10^{-8}\;M$까지 검출할 수 있었다. The fluorescence intensities of europium and samarium can be greatly enhanced in the presence 2-thenoyltrifluoroacetone(TTA), n-octanol and Triton X-100 in aqueous solution of pH 7. It was also found that the fluorescence intensity can be greatly increased by the addition of excess of $La^{3+}$. The excitation and emission wavelengths of europium and samarium were 345 nm, 380 nm and 617 nm, 567 nm, respectively. The fluorescence intensity was a linear function of the concentration of europium and samarium in the range $1{\times}10^{-7}∼1{\tiems}10^{-9}\;M,\;1{\tiems}10^{-5}∼1{\times}10^{-7}\;M$, respectively, and the detection limits were 1$1{\times}10^{-11}\;M$ for europium and $1{\times}10^{-8}\;M$ for samarium and the luminescence mechanism of the system is discussed.