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Search Results: 1 - 10 of 16422 matches for " Yuping Su "
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An Empirical Analysis of the Impact of RMB Exchange Rate Fluctuation on Textile and Clothing Export of Guangdong  [PDF]
Yuping Su
Chinese Studies (ChnStd) , 2017, DOI: 10.4236/chnstd.2017.62007
Abstract: The main purpose of this paper is to analyze if RMB appreciation is the reason for the decline of Guangdong textile and garment exports and how to make textile and garment industry of Guangdong province break through the bottleneck of development, so as to achieve a qualitative leap in the context of the RMB exchange rate fluctuations and rising production costs. Five parts are included, the first part is introduction, which elaborates the research significance and literature review; the second part is about data and research methods; the third part is an empirical analysis of the impact of RMB exchange rate fluctuation on textile and clothing export of Guangdong; the fourth part is the conclusion analysis, while the last part are policy suggestion, which includes three aspects, government industry and enterprise themselves. In theory, the appreciation of the exchange rate will reduce the export price advantage to reduce exports. However, in this paper, the VAR and VEC models were constructed by using the monthly data of Guangdong textile and clothing export (LNEX), RMB real exchange rate (LNER) and purchasing price index (LNPPI) in 2007-2014, finding that Although LNEX has a co-integration relationship with LNER in the long run, LNER is not the Granger Cause of LNEX, while LNPPI passes the test of causality; Impulse response curves show that LNER has a negative impact on LNEX in the short term, while there is no shock effect for a long time; Variance decomposition analysis shows that contribution of LNER to LNEX was 0, both in the long term and short term, while the long-term contribution of LNPPI to LNEX is about 8%.
Information Transfer Index-A Promising Measure of the Corticomusclar Interaction  [PDF]
Ping Xie, Peipei Ma, Xiaoling Chen, Xiaoli Li, Yuping Su
Engineering (ENG) , 2013, DOI: 10.4236/eng.2013.510B012

It is generally believed that a major cause of motor dysfunction is the impairment in neural network that controls movement. But little is known about the underlying mechanisms of the impairment in cortical control or in the neural connections between cortex and muscle that lead to the loss of motor ability. So understanding the functional connection between motor cortex and effector muscle is of utmost importance. Previous study mostly relied on cross-correlation, coherence functions or model based approaches such as Granger causality or dynamic causal modeling. In this work the information transfer index (ITI) was introduced to describe the information flows between motor cortex and muscle. Based on the information entropy the ITI can detect both linear and nonlinear interaction between two signals and thus represent a very comprehensive way to define the causality strength. The applicability of ITI is investigated based on simulations and electroencephalogram (EEG), surface electromyography (sEMG) recordings in a simple motor task.

Empirical Study of Influential Factors of Online Customers’ Repurchase Intention  [PDF]
Yuping Li
iBusiness (IB) , 2016, DOI: 10.4236/ib.2016.83006
Abstract: There is not a unanimous conclusion about the influential elements of online customers’ repurchase intention. We established a concept model and discussed how utilitarian values (perceived ease of use and perceived usefulness), social values (satisfaction and trust) and the hedonic value (perceived enjoyment) directly and indirectly influenced customers’ repurchase intention in the context of online shopping. It adapted questionnaire to collect data and testified the hypothesis by structural equation model. The results showed that perceived usefulness, online customers’ satisfaction and perceived enjoyment had significantly positive impact on online customers’ repurchase intention. Moreover, we found that compared with utilitarian factors, the hedonic factor had a stronger positive impact on repurchase intention.
An Evolutionary Algorithm Based on a New Decomposition Scheme for Nonlinear Bilevel Programming Problems  [PDF]
Hecheng LI, Yuping WANG
Int'l J. of Communications, Network and System Sciences (IJCNS) , 2010, DOI: 10.4236/ijcns.2010.31013
Abstract: In this paper, we focus on a class of nonlinear bilevel programming problems where the follower’s objective is a function of the linear expression of all variables, and the follower’s constraint functions are convex with respect to the follower’s variables. First, based on the features of the follower’s problem, we give a new decomposition scheme by which the follower’s optimal solution can be obtained easily. Then, to solve efficiently this class of problems by using evolutionary algorithm, novel evolutionary operators are designed by considering the best individuals and the diversity of individuals in the populations. Finally, based on these techniques, a new evolutionary algorithm is proposed. The numerical results on 20 test problems illustrate that the proposed algorithm is efficient and stable.
A New Preconditioner with Two Variable Relaxation Parameters for Saddle Point Linear Systems with Highly Singular(1,1) Blocks  [PDF]
Yuping Zeng, Chenliang Li
American Journal of Computational Mathematics (AJCM) , 2011, DOI: 10.4236/ajcm.2011.14030
Abstract: In this paper, we provide new preconditioner for saddle point linear systems with (1,1) blocks that have a high nullity. The preconditioner is block triangular diagonal with two variable relaxation paremeters and it is extension of results in [1] and [2]. Theoretical analysis shows that all eigenvalues of preconditioned matrix is strongly clustered. Finally, numerical tests confirm our analysis.
Research on Mechanism of Distributors’ Frequent Ordering Intention: A Prospect Theory Perspective  [PDF]
Bingqun Cui, Yuping Li
Modern Economy (ME) , 2015, DOI: 10.4236/me.2015.611110
Abstract: This article is to carry out in-depth mechanism exploration of influences of three different price promotion strategies on Distributors’ ordering intentions. This research finds out that Distributors have stronger intentions of determining ordering in the case of reward promotion rather than in threat promotion. However, among Distributors who have decided ordering, threat promotion can lead to stronger frequent ordering intention. Promotion intensity has strong adjustment effect on Distributors’ ordering intention both in reward and threat promotions. Rebates strategy has positive influence on Distributors’ intentions of both determining ordering and frequent ordering. The study reveals different price promotion strategies’ different influences on Distributors’ ordering intentions. This study provides a good reference for guiding enterprise managers’ application of price promotion.
Existence and Stability Analysis of Fractional Order BAM Neural Networks with a Time Delay  [PDF]
Yuping Cao, Chuanzhi Bai
Applied Mathematics (AM) , 2015, DOI: 10.4236/am.2015.612181
Abstract: Based on the theory of fractional calculus, the contraction mapping principle, Krasnoselskii fixed point theorem and the inequality technique, a class of Caputo fractional-order BAM neural networks with delays in the leakage terms is investigated in this paper. Some new sufficient conditions are established to guarantee the existence and uniqueness of the nontrivial solution. Moreover, uniform stability of such networks is proposed in fixed time intervals. Finally, an illustrative example is also given to demonstrate the effectiveness of the obtained results.
Acute Myocardial Infarction in a 26-Year-Old Man with Normal ST-Segment  [PDF]
Yuping Yang, Hua Chen
Case Reports in Clinical Medicine (CRCM) , 2017, DOI: 10.4236/crcm.2017.66015
Abstract: Acute myocardial infarction (AMI) is rare in young adults. The management of these patients is considered as a clinical challenge. We report the case of a 26-year-old man who was presented to the Emergency Room of Affiliated Hospital of Guilin Medical University with an acute onset of chest pain. Initially electrocardiogram (ECG) with no evidence of ST-segment abnormalities but QT prolongation a signal of sudden cardiac death, 20 minutes later, it revealed ST-segment elevation myocardial infarction (STEMI). Coronary angiography (CAG) demonstrated left main coronary artery occlusion. AMI was diagnosed based on clinical symptom, elevated cardiac biomarkers, electrocardiographic dynamic monitoring and CAG. The awareness of chest pain as possible underlying AMI symptom—especially in young patients presenting with QT prolongation—is crucial for clinical treatment, as a missed diagnosis can worsen the patient’s further prognosis. In addition, reperfusion arrhythmia is a challenge to short-term outcomes of young patients with AMI, so it is necessary to make preoperative risk stratification.
A Survey of Gratitude Awareness of Chinese College Students  [PDF]
Xiaojuan Li, Yuping Li
Psychology (PSYCH) , 2017, DOI: 10.4236/psych.2017.814154
Abstract: By doing a questionnaire survey of the gratitude awareness situation among the students of one university in Guangzhou, we had an overview of the gratitude awareness of the students. Based on this survey, it is advocated that college students’ gratitude education should be promoted on the basis of Chinese traditional cultural education; disadvantaged students should be paid more attention; teachers should set good examples; and the gratitude education should be enriched to make it more social; etc.
Zircon U-Pb age and Hf isotope of Quanyishang A-type granite in Yichang: signification for the Yangtze continental cratonization in Paleoproterozoic
Qing Xiong,JianPing Zheng,ChunMei Yu,YuPing Su,HuaYun Tang,ZhiHai Zhang
Chinese Science Bulletin , 2009, DOI: 10.1007/s11434-008-0401-7
Abstract: Zircon U-Pb age and Hf isotope, and major and trace element compositions were reported for granite at Quanyishang, which intruded into the Kongling complex in Yichang, Hubei Province. The results show that the Quanyishang granite is rich in silicon and alkalis but poor in calcium and magnesium, and displays enrichment in Ga, Y, Zr, Nb but depletion in Sr and Ba, exhibiting the post-orogenic A-type affinity. 90% zircons from the granite are concordant, and give a middle Paleoproterozoic magmatic crystallization age (mean 1854 Ma). Initial Hf isotope ratios (176Hf/177Hf)i of the middle Paleoproterozoic zircons range from 0.280863 to 0.281134 and they have negative εHf(t) values with a minimum of 26.3. These zircons give the depleted mantle model ages (T DM) of 2.9–3.3 Ga (mean 3.0 Ga), and the average crustal model ages (T crust) of 3.6–4.2 Ga (mean 3.8 Ga). A Mesoarchean grain with 207Pb/206Pb age of 2859 Ma has a slightly high T DM (3.4 Ga) but similar T crust (3.8 Ga) to the Paleoproterozoic zircons. All these data suggest that the source materials of the Quanyishang A-type granite are unusually old, at least 2.9 Ga (even Eoarchean). The event of crustal remelting, which resulted in the formation of the Quanyishang granite in the middle Paleoproterozoic, recorded the cratonization of the Yangtze continent. The process may have relation to the extension and collapse of the deep crust with Archean ages, in response to the transition stage of the assembly and breakup of the Columbia supercontinent.
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