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      • A Global Online Dispute Resolution System: Is China Ready to Join?

        ( Qi Sheng He ),( Ji Ping Song ) 고려대학교 법학연구원 2011 The Asian Business Lawyer Vol.7 No.-

        In recent years, Online Dispute Resolution (ODR) is in a period of active development and change. United Nations Commission on International Trade Law (UNCITRAL) and other international organizations are actively promoting the establishment of a global ODR system. Facing small value, large volume claims, traditional dispute resolution system in China also can not resolve effectively these disputes arising out of electronic commerce. With an increasing demand of ODR and a favorable legal circumstance for it, ODR practice in China has developed rapidly during the past several years. It can be mainly represented by three categories: Domain Name Dispute Resolution Center of China International Economic and Trade Arbitration Commission (CIETAC), China Online Dispute Resolution Center and Alipay Internal Complaint Mechanism. As for the prospects of China working with UNCITRAL on a Global ODR System, on the one hand, China`s participation in UNCITRAL work on a global ODR system can facilitate its ODR development; on the other hand, China can play an active role in establishing a global ODR system.

      • Prospective UNCITRAL Technical Assistance for Asian Countries in International Arbitration

        ( Qi Sheng He ),( Da Yong Zhou ) 고려대학교 법학연구원 2011 The Asian Business Lawyer Vol.7 No.-

        The United Nations Commission on International Trade Law (UNCITRAL) is a core legal body established by the United Nations, which takes the mandate to harmonize the international and regional trade law, and to create an environmentfacilitating international trade and commercial transactions. In the field of international commercial arbitration, UNCITRAL conducts cooperation programs and provides technical assistance to facilitate its mission. In Asia, facing a rapid regional economic boost but divergent legal systems, improving the professional quality and credibility of regional arbitral institutes shall meet the continual increased regional need for commercial arbitrations and guarantee the accurate application of international law. This article introduces the function of UNCITRAL, gives a brief analysis of the demand for improving international commercial arbitration in Asia, and suggests that UNCITRAL as an appropriateorganization may prospectively contribute to promote the competences of regional arbitral institutes and arbitral participants by means of providing active technical assistance and cooperative projects. Two tentative proposals are put forward in this article from a practical perspective.

      • KCI등재

        Radionuclide identification method for NaI low-count gamma-ray spectra using artificial neural network

        Sheng Qi,Shanqiang Wang,Ye Chen,Kun Zhang,Xianyun Ai,Jinglun Li,Haijun Fan,Hui Zhao 한국원자력학회 2022 Nuclear Engineering and Technology Vol.54 No.1

        An artificial neural network (ANN) that identifies radionuclides from low-count gamma spectra of a NaIscintillator is proposed. The ANN was trained and tested using simulated spectra. 14 target nuclides wereconsidered corresponding to the requisite radionuclide library of a radionuclide identification devicementioned in IEC 62327-2017. The network shows an average identification accuracy of 98.63% on thevalidation dataset, with the gross counts in each spectrum Nc ¼ 100~10000 and the signal to noise ratioSNR ¼ 0.05e1. Most of the false predictions come from nuclides with low branching ratio and/or similardecay energies. If the Nc>1000 and SNR>0.3, which is defined as the minimum identifiable condition, theaveraged identification accuracy is 99.87%. Even when the source and the detector are covered with leadbricks and the response function of the detector thus varies, the ANN which was trained using nonshieldingspectra still shows high accuracy as long as the minimum identifiable condition is satisfied. Among all the considered nuclides, only the identification accuracy of 235U is seriously affected by theshielding. Identification of other nuclides shows high accuracy even the shielding condition is changed,which indicates that the ANN has good generalization performance.

      • KCI등재
      • SCIESCOPUS

        An experimental study on fracture coalescence characteristics of brittle sandstone specimens combined various flaws

        Yang, Sheng-Qi Techno-Press 2015 Geomechanics & engineering Vol.8 No.4

        This research aims to analyze the fracture coalescence characteristics of brittle sandstone specimen ($80{\times}160{\times}30mm$ in size) containing various flaws (a single fissure, double squares and combined flaws). Using a rock mechanics servo-controlled testing system, the strength and deformation behaviours of sandstone specimen containing various flaws are experimentally investigated. The results show that the crack initiation stress, uniaxial compressive strength and peak axial strain of specimen containing a single fissure are all higher than those containing double squares, while which are higher than those containing combined flaws. For sandstone specimen containing combined flaws, the uniaxial compressive strength of sandstone increase as fissure angle (${\alpha}$) increases from $30^{\circ}$ to $90^{\circ}$, which indicates that the specimens with steeper fissure angles can support higher axial capacity for ${\alpha}$ greater than $30^{\circ}$. In the entire deformation process of flawed sandstone specimen, crack evolution process is discussed detailed using photographic monitoring technique. For the specimen containing a single fissure, tensile wing cracks are first initiated at the upper and under tips of fissure, and anti-tensile cracks and far-field cracks are also observed in the deformation process; moreover anti-tensile cracks usually accompanies with tensile wing cracks. For the specimen containing double squares, tensile cracks are usually initiated from the top and bottom edge of two squares along the direction of axial stress, and in the process of final unstable failure, more vertical splitting failures are observed in the ligament region. When a single fissure and double squares are formed together into combined flaws, the crack coalescence between the fissure tips and double squares plays a significant role for ultimate failure of the specimen containing combined flaws.

      • Research on China's Steel Demand Using Combined Forecast

        Yuyan Weng,Li Zhou,Sheng Zhou,Tianyu Qi 보안공학연구지원센터(IJUNESST) 2015 International Journal of u- and e- Service, Scienc Vol.8 No.1

        This research conducts an error analysis between the forecasting value and the actual value of steel demand of 2010 in China, which is based on the analysis of forecasting methods and their results of Chinese steel demand in the existing studies, and then forecasts China’s steel demand in 2015 by making use of a combined forecasting method. The combined forecasting method includes two stages. In the first stage, with reference to actual steel demand of China in 2010, a threshold is set and some forecasting results are selected according to the error between the forecasting value and actual value of steel demand of each method. In the second stage, weights of corresponding selected methods are determined which are based on the error. And the final demand of China’s steel in 2015 is forecasted through the combined forecasting method.

      • KCI등재

        Correlation between population size of pear Psylla (Cacopsylla chinensis) and leaf structure features in different pear cultivars

        Sheng-jie Xu,Lun Wu,Qi Zhi Liu,Jun Liu,He Wang,Jie-wen Wang,Ting Zhang 한국응용곤충학회 2019 Journal of Asia-Pacific Entomology Vol.22 No.2

        The feeding preference of pear psylla (Cacopsylla chinensis) varies among pear cultivars. To clarify whether leaf structural factors are related to C. chinensis resistance, eleven pear cultivars of three pear species and their hybrids in China were studied. The population size of C. chinensis in plots of different cultivars was investigated, and leaf paraffin sections of each pear cultivar were observed. Correlation analysis results showed that the thickness of palisade tissue (PT) and the thickness ratio (TR) of PT to leaf (L) were the main factors influencing resistance to C. chinensis. The leaves of cultivar Wujiuxiang and those species from France and the USA exhibited the thickest PT and the highest TR; these three cultivars demonstrated much higher resistance to C. chinensis than did the other cultivars. The cultivar Gold Nijisseiki, with a large C. chinensis population size, showed low PT and TR. The findings of this study may provide valuable information to pear growers, experts and scientists regarding plant protection, cultivation and breeding when selecting suitable varieties to culture from the perspective of pest control.

      • KCI등재

        MONOTONE ITERATIVE TECHNIQUE FOR IMPULSIVE DIFFERENTIAL EQUATIONS WITH TIME VARIABLES

        Qi, Jian-Gang,Liu, Yan-Sheng 한국전산응용수학회 2000 Journal of applied mathematics & informatics Vol.7 No.2

        In this paper, we established the general comparison principles for IVP of impulsive differential equations with time variables, which strictly extend and improve the precious comparison results obtained by V. Lakes. et.al . and S.K.Kaul([3]-[7]). Whit the general comparison results, we constructed the monotone iterative sequences of solution for IVP of such equations which converges the maximal and minimal and minimal solutions , respectively.

      • KCI등재

        Dynamic File Grouping for Load Balancing in Streaming Media Clustered Server Systems

        Qi Jiang,Hong-Sheng Xi,Bao-Chen Yin 제어·로봇·시스템학회 2009 International Journal of Control, Automation, and Vol.7 No.4

        A dynamic file grouping strategy is presented to address the load balancing problem in streaming media clustered server systems. This strategy increases the server cluster availability by balancing the workloads among the servers within a cluster. Additionally, it improves the access hit ratio of cached files in delivery servers to alleviate the limitation of I/O bandwidth of storage node. First, the load balancing problem is formulated as a two layers semi-Markov switching state-space control process. This analytic model captures the behaviors of streaming media clustered server systems accurately, and is with constructional flexibility and scalability. Then, a policy iteration based reinforcement learning algorithm is proposed to optimize the file grouping policy online. By utilizing the features of the event-driven policy, the proposed optimization algorithm is adaptive and with less computational cost. Simulation results demonstrate the effectiveness of the proposed approach.

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