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Search Results: 1 - 10 of 14255 matches for " Yingbai Shen "
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Similar Metabolic Changes Induced by HIPVs Exposure as Herbivore in Ammopiptanthus mongolicus
Jingru Sun, Xiao Zhang, Chuanjian Cao, Xindi Mei, Ningning Wang, Suli Yan, Shixiang Zong, Youqing Luo, Haijun Yang, Yingbai Shen
PLOS ONE , 2014, DOI: 10.1371/journal.pone.0095474
Abstract: Herbivore-induced plant volatiles (HIPVs) are important compounds to prim neighboring undamaged plants; however, the mechanism for this priming process remains unclear. To reveal metabolic changes in plants exposed to HIPVs, metabolism of leaves and roots of Ammopiptanthus mongolicus seedlings exposed to HIPVs released from conspecific plants infested with larvae of Orgyia ericae were analyzed together with control and infested seedlings using nuclear magnetic resonance (NMR)-based metabolic technology and multi variate data analysis. Results presented showed that HIPVs exposure led to similar but specific metabolic changes compared with those induced by infestation in both leaves and roots. Furthermore, both HIPVs exposure and herbivore attack resulted in metabolic changes involving a series of primary and secondary metabolites in both leaves and roots. Taken together, these results suggested that priming of yet-damaged plants may be achieved by reconfiguring metabolic pathways in leaves and roots to make similar concentrations for all metabolites as those in seedlings infested. Therefore, we propose that improved readiness of defense induction of primed plants toward subsequent herbivore attack may be based on the similar metabolic profiling induced by HIPVs exposure as those caused by herbivore.

Feng Wenyi,Wen Zhiqing,Yan Yingbai,Jin Guofan,

红外与毫米波学报 , 1995,
Abstract: A real-time optical system for fuzzy associative memory (FAM) neural network was set up. The spatial area-encoding method was used to implement optical fuzzy logic.A time-division processing approach is presented, which offers an effective way to realize neural network with a large amount of neurons. Furthermore, the feasibility of programmable interconnection is also discussed. Simulated calculation and experimental results are given.
ARIMA Model in the Application of Shanghai and Shenzhen Stock Index  [PDF]
Shichang Shen, Yue Shen
Applied Mathematics (AM) , 2016, DOI: 10.4236/am.2016.73016
Abstract: In the paper, based on the data of Shanghai and Shenzhen 300 stock index in 2011, the ARIMA model was established by using Eviews 6, and the historical trend of stock price was found out. The model was used to provide a reference for the investors.
Understanding the Determinants of Consumers’ Willingness to Pay for Eco-Labeled Products: An Empirical Analysis of the China Environmental Label  [PDF]
Junyi Shen
Journal of Service Science and Management (JSSM) , 2012, DOI: 10.4236/jssm.2012.51011
Abstract: This study applies data from a web-based survey conducted in mainland China to examine the determinants of consumers’ willingness to pay (WTP) for seven different product categories awarded with China Environmental Label and com- pare the mean WTP estimates among these categories. The Interval Regression method is used for estimation. The results indicate that Chinese consumers who regard environmental conservation as being more important than life convenience, who believe purchasing the eco-labeled products is good for the environment, and who have the experience in purchasing eco-labeled products are willing to pay more for those products with environmental label or eco-label. In addition, socio-demographic characteristics such as gender, age, education and household income are found to be important factors to affect Chinese consumers’ WTP amounts. Finally, the results of pair-wise comparison among the mean WTP estimates of various eco-labeled products indicate that most of them are different, which implies that the degrees of Chinese consumers’ willingness to pay extra money for China Environmental Label are different based on the types of products.
Study on Supply Chain Cooperative Games between Airport and Cargo Airways within International Air-Transport Hub  [PDF]
Danyang Shen
Journal of Service Science and Management (JSSM) , 2012, DOI: 10.4236/jssm.2012.51007
Abstract: Speed economy, proposed by Japanese scholars Masaki Tamura, refers to get the cost savings flow by accelerating the transaction process [1], which brings the a large market space to the cargo/express delivery industry [2]. Due to the rapidly growth of China air cargo/express market and the ongoing increasingly opening up of the sky, inter-national cargo/express giants have set up their hubs in China. The arrival of these global logistics integrators has brought a lot of influence to the development of airport. Hereinto, the unbalance between the scales of China cargo hubs and the rapid demand of air cargo/express development, the cooperation model of airports and air cargo/express have become the most urgently issue to explore. Therefore, on the basis of airport and airway co-competition analysis, the characteristics of the air cargo supply chain, and the airports and cargo airlines supply chain behavior, this paper will use the non-co- operative game of principal-agent model and the cooperative game model to analysis the revenue distribution of airport and cargo airway on the supply chain, this paper applies the cooperative game theory within a supply chain to analyze the cooperation model of airports and air cargo/express, so as to makes strategy suggestions on airport development.
The Economic Relations between China and Thailand under the Context of CAFTA: An Assessment  [PDF]
Shen Hongfang
Chinese Studies (ChnStd) , 2013, DOI: 10.4236/chnstd.2013.21008
The bilateral economic relations betweenChinaandThailandhave unprecedentedly increased since the signing of China-ASEAN Free Trade Agreement (CAFTA). This paper describes the rapid economic relations between China and Thailand from the perspectives of bilateral trade and investment as well as other forms of economic cooperation within the latest one decade, and elaborates the spectacular features of Sino-Thai bilateral economic ties in comparison with ASEAN as a whole and the other ASEAN member countries. In addition to explore the driving factors in boosting these two countries’ economic relations, the paper also explores the problems that exists since the two countries’ economic exchanges are as matter of fact under a framework of “South to South” type that embrace inevitably the week pointes such as lacking of complementarities and the others, the effect of free trade pact of “earlier heaviest” concluded by Sino-Thai government since 2003 as an experimental arrangement of CAFTA will be revaluated.
Simulation of Unsteady Water Film Flow on Pelton Bucket  [PDF]
Shen Na
Energy and Power Engineering (EPE) , 2013, DOI: 10.4236/epe.2013.54B010
Abstract: In order to simulate the complicated unsteady flow in Pelton bucket, it is necessary to apply the animated cartoon approach. In this paper, a free jet and the inner surface of a bucket is described by boundary fitted grid (BFG) with non-orthogonal curvilinear coordinates. The water flow is discretized in space and time for CFD (computational fluid dynamics). The moving grids of water film are successfully projected onto the bucket’s inner surface by a projection algorithm. The visualization result of the jet landing on bucket’s surface and the unsteady flow in the rotating buckets in 3D verifies the effectiveness of the proposed method.
A Two-Stage Approach for Large-Scale Cascaded Hydropower System Operations  [PDF]
Jianjian Shen
Journal of Water Resource and Protection (JWARP) , 2014, DOI: 10.4236/jwarp.2014.616142
Abstract: The paper presents a two-stage approach to cope with the long-term optimal operation of cascaded hydropower systems. This approach combines progressive optimality algorithm (POA) with quadratic programming (QP) to improve the optimization results. POA is used at the first stage to generate a local optimal result, which will be selected as the initial feasible solution of QP method employed at the second stage. Around the initial solution, a rational local search range for QP method is then determined, where the nonlinear water level function and tailrace level function can be linearized nearly with high accuracy. The simplified optimization problem is formulated as a QP model with a quadratic generation function and a linear set of constraints, and solved using the available mathematic optimization software package. Simulation is performed on the long term operation of Hongshui River hydropower system which is located in southwest China and consists of 9 built hydropower plants. Results obtained from the proposed approach show a significant increase in the total energy production compared to the results from POA.
The Matching Uniqueness of A Graphs  [PDF]
Shichang Shen
Applied Mathematics (AM) , 2015, DOI: 10.4236/am.2015.68109
Abstract: In the paper, We discussed the matching uniqueness of graphs with degree sequence \"\" . The necessary and sufficient conditions for\"\" and its complement are matching unique are given.
Research on Mobile Learning Based on Augmented Reality  [PDF]
Shen Zheng
Open Journal of Social Sciences (JSS) , 2015, DOI: 10.4236/jss.2015.312019
Abstract: Augmented reality, referred to as AR, is a new technology that develops on the basis of virtual reality. It can be applied in mobile learning to create a real learning environment, which will greatly improve the efficiency and effectiveness of learning. This paper discusses the basic characteristics of augmented reality and introduces a mobile learning tool based on it.
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