http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
김동혁,최조천,안동순 木浦大學校 情報産業硏究所 1998 情報産業硏究誌 Vol.6 No.-
New many system based on broadcasting and communication will be able to take a more useful and fast informations around out lifestyle. But ship, airplane and car never use the application of the cable communication system and also have a weak point of receiving qualitics using convennntional V/UHF TV broadcasting. One of typically case of mobile systems, a ship has been isolated long time during the navigation. However, For the last couple of years, the DBS have been proposed very useful systrm to access the broading service in more widely sea. But the antenna tracking system for maritime DBS receving is required complicated control system because of the those complex motion represented pitching, yowing and rolling etc. In our research, we have developed the antenna tracking system for receving in mobile.
[PE-0067] Identification of QTLs related Japonica rice pre-harvest sprouting by QTL-seq
Woong Jo Hyun(Woong Jo Hyun),Eok Keun Ahn(Eok Keun Ahn),Yoon Sung Lee(Yoon Sung Lee),Yong Jae Won(Yong Jae Won),Kuk Hyun Jung(Kuk Hyun Jung),Hyang Mi Park(Hyang Mi Park),Jeom Ho Lee(Jeom Ho Lee),Kyung 한국육종학회 2022 한국육종학회 공동학술발표집 Vol.2022 No.-
Jo, H.Y.,Ahn, J.H.,Jo, H. Elsevier Scientific Pub. Co 2012 Journal of hazardous materials Vol.241 No.-
An in-situ CO<SUB>2</SUB> sequestration method using coal ash ponds located in coastal regions is proposed. The CO<SUB>2</SUB> sequestration capacity of coal fly ash (CFA) by mineral carbonation was evaluated in a flow-through column reactor under various conditions (solid dosage: 100-330g/L, CO<SUB>2</SUB> flow rate: 20-80mL/min, solvent type: deionized (DI) water, 1M NH<SUB>4</SUB>Cl solution, and seawater). The CO<SUB>2</SUB> sequestration tests were conducted on CFA slurries using flow-through column reactors to simulate more realistic flow-through conditions. The CO<SUB>2</SUB> sequestration capacity increased when the solid dosage was increased, whereas it was affected insignificantly by the CO<SUB>2</SUB> flow rate. A 1M NH<SUB>4</SUB>Cl solution was the most effective solvent, but it was not significantly different from DI water or seawater. The CO<SUB>2</SUB> sequestration capacity of CFA under the flow-through conditions was approximately 0.019g CO<SUB>2</SUB>/g CFA under the test conditions (solid dosage: 333g/L, CO<SUB>2</SUB> flow rate: 40mL/min, and solvent: seawater).
Jo Jung Su,Kim Dong Sub,Jo Won Jun,Sim Ha Seon,Lee Hye Jin,Moon Yu Hyun,Woo Ui Jeong,Jung Soo Bin,Kim Steven B.,Mo Xiaoming,Ahn Su Ran,Kim Sung Kyeom 한국원예학회 2022 Horticulture, Environment, and Biotechnology Vol.63 No.4
The strawberry growth and fruit yield of five Korean cultivars in the tunnel-type greenhouse predicted using their growth. The number of leaves, petiole length, leaf length and width, crown diameter, and the ratio of red and far-red (RFR) of the five Korean cultivars were measured during the cultivation period. The number of leaves of all cultivars exhibited a similar trend during this period; the plant and petiole length of ‘Maehyang’ were the longest, leaf length exhibited similar trends in all five cultivars except for ‘Jukhyang’, the leaf width of ‘Arihyang’, was the longest, and crown diameter of ‘Keumsil’ was the thickest. The leaf length, crown diameter, and RFR were associated with the fruit yield in the multiple linear regression. When a single model was used to predict the yield of all five cultivars, the correlation between expected yield and actual yield was r = 0.53. When cultivar-specific models were built for the prediction, the correlation increased to r = 0.77. The results indicated that the fruit yield of strawberry cultivars could be better predicted by considering cultivar-specific information, so it may be necessary to consider individual cultivars specifically rather than all cultivars simultaneously.
Jo, Sora,Hong, Chang-Hyo,Kim, Dae Su,Kang, Hyung-Won,Ahn, Chang Won,Lee, Hyeung-Gyu,Nahm, Sahn,Jo, Wook,Han, Seung Ho Elsevier 2017 Sensors and actuators. A, Physical Vol.258 No.-
<P><B>Abstract</B></P> <P>Lead-free (1-<I>x</I>)(Bi<SUB>1/2</SUB>Na<SUB>1/2</SUB>)TiO<SUB>3</SUB>–<I>x</I>SrTiO<SUB>3</SUB> (BNST, 0≤ <I>x</I> ≤0.25) ceramics were prepared by a conventional solid-state reaction. The effect of increasing the concentration of SrTiO<SUB>3</SUB> (ST) on the phase transition behavior was investigated using x-ray diffraction patterns, field-induced polarization, and strain curves. As the ST concentrations increased, a ferroelectric to ergodic relaxor phase transition occurred. At <I>x</I> =0.25, the highest strain was observed despite the piezoelectric charge constant being the lowest, and the ferroelectric and ergodic relaxor phases seemed to coexist. In order to investigate the mechanical properties of BNST ceramics, the resonance and antiresonance frequencies of various vibration modes were obtained, and the various tensors of elastic compliances were subsequently calculated. Because the resonance and antiresonance frequencies of the ergodic relaxor piezoceramics cannot be easily identified due to the absence of a remanent polarization and strain after the removal of the electric field, some tensors of elastic compliance of BNST with <I>x</I> =0.25 were obtained by extrapolation of the compliance variation as a function of ST concentrations.</P> <P><B>Highlights</B></P> <P> <UL> <LI> A ferroelectric to ergodic relaxor phase transition occurred with increasing ST concentration of the BNST ceramics. </LI> <LI> The BNST with 25mol% ST showed the highest strain due to the electric-field-induced phase transition from ergodic relaxor to ferroelectric phase. </LI> <LI> The elastic compliance values of the BNST ceramics gradually decreased with increasing ST concentration. </LI> <LI> All tensors of elastic compliance values of BNST ceramics are almost half of those of commercial PZT–based ceramics. </LI> </UL> </P>