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Heo, Jino,Hong, Chang Ho,Lim, Jong In,Yang, Hyung Jin Science Press 2013 Chinese physics letters Vol.30 No.4
<P>We propose a protocol for transferring photons of unknown states to a distant location using path-polarization hybrid entanglement. Our protocol uses a polarizing beam splitter (PBS), a beam splitter (BS), a CNOT-operation, four unitary operations and polarizing detectors. In our protocol, the hybrid entangled states are generated by the PBS, and it is transmitted through the quantum channel containing the BS and CNOT-gate. The measurement results of the polarizing detectors and classical communications determine which unitary operation will be used in the last step for recovering initial states. The security of the channel in transmitting unknown photons between two parties is confirmed by the results of the measurement of each target photon in the control mode.</P>
Park, Chiyoung,Lim, Jino,Yun, Mikyoung,Kim, Chulhee WILEY-VCH Verlag 2008 Angewandte Chemie Vol.47 No.16
<B>Graphic Abstract</B> <P>The missing link: Supramolecular transformation from a vesicle to a fibrous nanostructure has been achieved by photolytic cleavage and supramolecular reorganization of a dendritic building block containing a 2-nitrobenzyl group (see picture). Furthermore, supramolecular aggregates of an amide dendron with a photoisomerizable azobenzene unit exhibit controlled release of encapsulated molecules upon photoirradiation in the aqueous phase. <img src='wiley_img/14337851-2008-47-16-ANIE200705271-content.gif' alt='wiley_img/14337851-2008-47-16-ANIE200705271-content'> </P>
Chanwoo Park,Namin Koo,Jino Kwon,Joo-Hoon Lim,Yong-Ho Jeong,Jung-Ho Kim 한국토양비료학회 2014 한국토양비료학회지 Vol.47 No.1
This study was conducted to determine the changes in soil chemical properties and the growth of seedling according to the different dredged soil improving methods at slope of Saemangeum sea dike. Undersea dredged soil was improved by five different methods. Seedlings of Ulmus davidiana var. japonica, Chionanthus retusa, Celtis sinensis, and Pinus thunbergii were planted after 9 month of experience site installation, then soil pH, NaCl concentration in soil, soil organic matter (SOM), and survival rate and height of seedling was measured. Initial soil pH was highest in the control plot but it decreased to the similar level with other soil improving plots after 35 months. There were no differences in NaCl concentration between the control and soil improving plots, and it showed decreasing tendency during the study period. In the control plot, initial SOM was lowest among that of other plots during the study period. The survival rate of 36 months after planting of P. thunbergii was highest among the species. The gap of the tree growth of P. thunbergii between the control plot and the soil improving plots was small, however, other species showed relatively higher tree height in the soil improving plots than the control plots. Creation forest with P. thunbergii might be a cost effective afforestation in coastal reclaimed land since it rarely needs additional improvement of dredged soil.
Quantum secure direct communication network with hyperentanglement
Hong, Chang Ho,Heo, Jino,Lim, Jong In,Yang, Hyung Jin Chinese Physical Society 2014 Chinese Physics B Vol.23 No.9
<P>We propose a quantum secure direct communication protocol with entanglement swapping and hyperentanglement. Any two users, Alice and Bob, can communicate with each other in a quantum network, even though there is no direct quantum channel between them. The trust center, Trent, who provides a quantum channel to link them by performing entanglement swapping, cannot eavesdrop on their communication. This protocol provides a high channel capacity because it uses hyperentanglement, which can be generated using a beta barium borate crystal.</P>
Park, Chanwoo,Koo, Namin,Kwon, Jino,Lim, Joo-Hoon,Jeong, Yong-Ho,Kim, Jung-Ho 한국토양비료학회 2014 한국토양비료학회지 Vol.47 No.1
This study was conducted to determine the changes in soil chemical properties and the growth of seedling according to the different dredged soil improving methods at slope of Saemangeum sea dike. Undersea dredged soil was improved by five different methods. Seedlings of Ulmus davidiana var. japonica, Chionanthus retusa, Celtis sinensis, and Pinus thunbergii were planted after 9 month of experience site installation, then soil pH, NaCl concentration in soil, soil organic matter (SOM), and survival rate and height of seedling was measured. Initial soil pH was highest in the control plot but it decreased to the similar level with other soil improving plots after 35 months. There were no differences in NaCl concentration between the control and soil improving plots, and it showed decreasing tendency during the study period. In the control plot, initial SOM was lowest among that of other plots during the study period. The survival rate of 36 months after planting of P. thunbergii was highest among the species. The gap of the tree growth of P. thunbergii between the control plot and the soil improving plots was small, however, other species showed relatively higher tree height in the soil improving plots than the control plots. Creation forest with P. thunbergii might be a cost effective afforestation in coastal reclaimed land since it rarely needs additional improvement of dredged soil.
삼척 비화진 유역 산불피해지의 2003년도와 2014년도의 식생구조 비교
송주현 ( Ju Hyeon Song ),임주훈 ( Joo Hoon Lim ),권진오 ( Jino Kwon ),윤충원 ( Chung Weon Yun ) 한국임학회 2017 한국산림과학회지 Vol.106 No.2
이 연구는 2000년도 동해안 산불이 발생한 강원도 삼척 비화진 유역을 대상으로 2003년도와 2014년도의 식물사회학적 식생유형분류, 층위별 중요치, 종다양도, 군락유사도 분석을 통해 임분 구조 변화를 구명하기 위하여 32개소의 식생조사를 각각 실시하였다. 식생유형분류 결과, 7개의 식생단위에서 4개의 식생단위로 감소하였으며, 11개의 종군에서 7개의 종군으로 감소하였다. 중요치 분석 결과, 교목층에서 신갈나무(Quercus mongolica), 졸참나무(Q. serrata), 굴참나무(Q.variabilis)가 각각 6.8%, 5.2%, 2.9% 증가하였으며, 소나무(Pinus densiflora)가 각각 2.8%로 가장 많이 감소하였으며 밤나무(Castanea crenata), 이팝나무(Chionanthus retusa), 살구나무(Prunus armeniaca var. ansu), 복자기(Acer triflorum), 모감주나무(Koelreuteria paniculata) 등 대부분의 조림 수종들의 중요치가 감소되었다. 종다양도의 경우, 교목층에서 0.252에서 0.287로 증가하였고, 아교목층에서 0.252에서 0.434로 증가하였고, 관목층에서 1.293에서 1.333으로 증가하였지만 초본층에서는 1.745에서 1.646으로 감소하였다. 군락유사도의 경우, 각 층위별로 0.78, 0.65, 0.72, 0.55로 나타나 초본층의 변화가 가장 심하였다. 결론적으로 본 연구는 이 조사지와 유사한 산불피해지의 생태계 진단 및 관리를 위한 기초자료로 활용될 것으로 판단된다. This study was carried out to compare stand structure in Bihwajin basin Samcheok-si, Gangwon-do, Korea for ten years between 2003 and 2014, in which occurred the east coastal forest fire in 2000. Data were collected from 32 quadrates that followed by the analysis of vegetation classification according to plant sociology, importance value by Mclntosh and Curtise, species diversity and similarity index. In the result of vegetation classification, the vegetation unit decreased from 7 units to 4 units, and the number of species groups changed from 11 to 7. As a result of importance value (IV) changes, IV of Quercus mongolica, Q. serrata and Q. variabilis was increased by 6.8%, 5.2% and 2.9% in the order, respectively. However, that of Pinus densiflora was decreased by 2.8%. That of major planted species such as Castanea crenata, Chionanthus retusa, Prunus armeniaca var. ansu, Acer triflorum and Koelreuteria paniculata was reduced. As a result of species diversity, it was increased from 0.252 to 0.287 in tree layer, from 0.252 to 0.434 in subtree layer, and from 1.293 to 1.333 in shrub layer. But that in herb layer was decreased from 1.745 to 1.646. As a result of similarity index, it was 0.78, 0.65, 0.72 and 0.55 by layers that showed most difference in herb stratum. Considering the results, this study would be applied to the ecosystem diagnose and management of forest fire damaged area similar to the investigated area.