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Search Results: 1 - 10 of 7454 matches for " Lan Shuai "
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Construction of Cross-Cultural Identity by Language Choice and Linguistic Practice: A Case-Study of Mixed Hong Kong-Mainland Identity in University Contexts  [PDF]
Tao Gong, Lan Shuai, Jia Liu
Open Journal of Modern Linguistics (OJML) , 2013, DOI: 10.4236/ojml.2013.33028

Studying relations between language and speaker’s identity is an interdisciplinary field that involves intersections among language, culture, and society. By examining the language choice and linguistic practice, especially code-mixing and code-switching, of the Mainland China students who are studying in universities of Hong Kong, we reveal a mixed Hong Kong-Mainland identity in these students: those who hold a Mainland-oriented identity tend to have a Putonghua-dominated language choice and linguistic practice, whereas those who embrace a Hong Kong-oriented identity tend to prefer a Cantonese-dominated choice and practice. This mixed identity helps better conceive the social image of Mainland immigrants in Hong Kong and discuss the cross-cultural identity formed by linguistic practice.

Temporal relation between top-down and bottom-up processing in lexical tone perception
Lan Shuai,Tao Gong
Frontiers in Behavioral Neuroscience , 2014, DOI: 10.3389/fnbeh.2014.00097
Abstract: Speech perception entails both top-down processing that relies primarily on language experience and bottom-up processing that depends mainly on instant auditory input. Previous models of speech perception often claim that bottom-up processing occurs in an early time window, whereas top-down processing takes place in a late time window after stimulus onset. In this paper, we evaluated the temporal relation of both types of processing in lexical tone perception. We conducted a series of event-related potential (ERP) experiments that recruited Mandarin participants and adopted three experimental paradigms, namely dichotic listening, lexical decision with phonological priming, and semantic violation. By systematically analyzing the lateralization patterns of the early and late ERP components that are observed in these experiments, we discovered that: auditory processing of pitch variations in tones, as a bottom-up effect, elicited greater right hemisphere activation; in contrast, linguistic processing of lexical tones, as a top-down effect, elicited greater left hemisphere activation. We also found that both types of processing co-occurred in both the early (around 200 ms) and late (around 300–500 ms) time windows, which supported a parallel model of lexical tone perception. Unlike the previous view that language processing is special and performed by dedicated neural circuitry, our study have elucidated that language processing can be decomposed into general cognitive functions (e.g., sensory and memory) and share neural resources with these functions.
Who Is Who? Interpretation of Multiple Occurrences of the Chinese Reflexive: Evidence from Real-Time Sentence Processing
Lan Shuai, Tao Gong, Yicheng Wu
PLOS ONE , 2013, DOI: 10.1371/journal.pone.0073226
Abstract: Theoretical linguists claim that the notorious reflexive ziji ‘self’ in Mandarin Chinese, if occurring more than once in a single sentence, can take distinct antecedents. This study tackles possibly the most interesting puzzle in the linguistic literature, investigating how two occurrences of ziji in a single sentence are interpreted and whether or not there are mixed readings, i.e., these zijis are interpretively bound by distinct antecedents. Using 15 Chinese sentences each having two zijis, we conducted two sentence reading experiments based on a modified self-paced reading paradigm. The general interpretation patterns observed showed that the majority of participants associated both zijis with the same local antecedent, which was consistent with Principle A of the Standard Binding Theory and previous experimental findings involving a single ziji. In addition, mixed readings also occurred, but did not pattern as claimed in the theoretical linguistic literature (i.e., one ziji is bound by a long-distance antecedent and the other by a local antecedent). Based on these results, we argue that: (i) mixed readings were due to manifold, interlocking and conflicting perspectives taken by the participants; and (ii) cases of multiple occurrences of ziji taking distinct antecedents are illicit in Chinese syntax, since the speaker, when expressing a sentence, can select only one P(erspective)-Center that referentially denotes the psychological perspective in which the sentence is situated.
Studying Language Change Using Price Equation and Pólya-urn Dynamics
Tao Gong, Lan Shuai, Mónica Tamariz, Gerhard J?ger
PLOS ONE , 2012, DOI: 10.1371/journal.pone.0033171
Abstract: Language change takes place primarily via diffusion of linguistic variants in a population of individuals. Identifying selective pressures on this process is important not only to construe and predict changes, but also to inform theories of evolutionary dynamics of socio-cultural factors. In this paper, we advocate the Price equation from evolutionary biology and the Pólya-urn dynamics from contagion studies as efficient ways to discover selective pressures. Using the Price equation to process the simulation results of a computer model that follows the Pólya-urn dynamics, we analyze theoretically a variety of factors that could affect language change, including variant prestige, transmission error, individual influence and preference, and social structure. Among these factors, variant prestige is identified as the sole selective pressure, whereas others help modulate the degree of diffusion only if variant prestige is involved. This multidisciplinary study discerns the primary and complementary roles of linguistic, individual learning, and socio-cultural factors in language change, and offers insight into empirical studies of language change.
Pituitary tumor transforming gene-1 haplotypes and risk of pituitary adenoma: a case-control study
Shuai Chen, Lan Xiao, Zhixiong Liu, Jinfang Liu, Yunsheng Liu
BMC Medical Genetics , 2011, DOI: 10.1186/1471-2350-12-44
Abstract: We genotyped five PTTG1 haplotype-tagging SNPs (htSNP) by PCR-RFLP assays in a case-control study, which included 280 Han Chinese patients diagnosed with pituitary adenoma and 280 age-, gender- and geographically matched Han Chinese controls. Haplotypes were reconstructed according to the genotyping data and linkage disequilibrium status of the htSNPs.No significant differences in allele and genotype frequencies of the htSNPs were observed between pituitary adenoma patients and controls, indicating that none of the individual PTTG1 SNPs examined in this study is associated with the risk of pituitary adenoma. In addition, no significant association was detected between the reconstructed PTTG1 haplotypes and pituitary adenoma cases or the controls.Though no significant association was found between PTTG1 haplotypes and the risk of pituitary adenoma, this is the first report on the association of individual PTTG1 SNPs or PTTG1 haplotypes with the risk of pituitary adenoma based on a solid study; it will provide an important reference for future studies on the association between genetic alterations in PTTG1 and the risk of pituitary adenoma or other tumors.Pituitary tumors are commonly encountered benign monoclonal adenomas that arise from cells of the anterior pituitary gland, accounting for approximately 15% of all diagnosed intracranial tumors [1]. These monoclonal tumors arise from highly differentiated cells expressing hormone gene products, including growth hormone, prolactin, adrenocorticotrophic hormone, thyroid-stimulating hormone, follicle-stimulating hormone and luteinizing hormone. Pituitary adenomas may be functional and actively secrete hormones, leading to characteristic clinical features such as acromegaly, Cushing's disease and hyperprolactinaemia. Commonly, they are non-functional, leading primarily to hypogonadism and compressive pituitary failure [1]. Previous longitudinal incidence surveys reported that the prevalence of pituitary adenoma had been
Roles of intracellular fibroblast growth factors in neural development and functions
Xu Zhang,Lan Bao,Liu Yang,QingFeng Wu,Shuai Li
Science China Life Sciences , 2012, DOI: 10.1007/s11427-012-4412-x
Abstract: Fibroblast growth factors (FGFs) can be classified as secretory (FGF1-10 and FGF15-23) or intracellular non-secretory forms (FGF11-14). Secretory forms of FGF and their receptors are best known for their regulatory roles in cell growth, differentiation and morphogenesis in the early stages of neural development. However, the functions of intracellular FGFs remain to be explored. FGF12 and FGF14 are found to interact with voltage-gated sodium channels, and regulate the channel activity in neurons. FGF13 is expressed in primary sensory neurons, and is colocalized with sodium channels at the nodes of Ranvier along the myelinated afferent fibers. FGF13 is also expressed in cerebral cortical neurons during the late developmental stage. A recent study showed that FGF13 is a microtubule-stabilizing protein required for regulating the neuronal development in the cerebral cortex. Thus, non-secretory forms of FGF appear to have important roles in the brain, and it would be interesting to further investigate the functions of intracellular FGFs in the nervous system and in neural diseases.
A Research on Dynamic System of Innovation and Development of Commerce Industry in Tongzhou District of Beijing  [PDF]
Shuai Liu
American Journal of Industrial and Business Management (AJIBM) , 2016, DOI: 10.4236/ajibm.2016.611100
Abstract: Commerce industry has the function of industry leader as a link between producers and consumers. In recent years, Tongzhou District, as the city’s vice center of Beijing City, has developed rapidly. However, there are still a lot of problems in the development of Tongzhou District’s commerce industry, and the research of the dynamic system for its innovative development plays an important role in solving these problems. This paper analyzes dynamic system of commerce industry’s innovation and development. All the researches which have done in this paper are meant to provide method to analyze dynamic system of commerce industry and make it better.
Early Warning Effect of “Wearing Cap” and “Catching Cap” on the Company’s Risk Structure
—Empirical Research Based on Breakpoint Regression Design

Shuai Ruan
Modern Economy (ME) , 2019, DOI: 10.4236/me.2019.103068
Abstract: This paper takes the listed companies in China from 2010 to 2015 as samples, which uses the breakpoint regression design to analyze the change of risk structure and its possible mechanism of listed companies after wearing and removing hats. The results show that the short-term solvency of listed companies deteriorates after wearing hats, and the long-term liabilities increase significantly. R&D expenditure decreased significantly, and cash flow level deteriorated. Financial leverage and comprehensive leverage increased significantly, and the total market value of the company decreased significantly, which led to a significant deterioration in the short-term financial risk structure of the company after wearing a hat.
Electrospun Nanoporous Poly(butylenes succinate-co-bytylene terephthalate) Nonwoven Mats
Liang Wang,Yang-Shuai Liu,Lu-Feng Mo,Fu-Juan Liu,Lan Xu
Advances in Materials Science and Engineering , 2011, DOI: 10.1155/2011/654360
Abstract: A traditional Chinese drug “Yunnan Baiyao” is used as an additive in poly(butylenes succinate-co-bytylene terephthalate) (PBST) solution, which is a kind of biodegradable aliphatic-aromatic copolyesters, to produce microspheres with nanoporosity by electrospinning; the tunable size of nanoporosity can be controlled by changing the voltage applied in the electrospinning process. 1. Introduction The performance and applications of nanomaterials strongly depend on their morphological and structural properties [1, 2]. An obvious phenomenon is the remarkably large surface-to-volume ratio of nanomaterials, and porous nanofibers can result in extraordinary increase of the ratio [3–9], which is very much suitable for biomedical applications [10, 11], such as drug release. To this end, electrospinning technology is used to fabricate nanoporous materials using a Chinese traditional drugs called “Yunnan Baiyo” as an additive [7]. 2. Biocompatible Materials Materials for biomedical applications should have not only good mechanical properties, but also excellent biocompatibility and cytocompatibility. Therefore, biocompatible polymers are electrospun to nonwoven mats. Sometimes, surface or volume modification is needed to ensure the property of biomaterials. Biodegradable polymers including poly(lactic-co-glycolic acid) (PLGA) and PCL, and water soluble biomaterials such as poly(ethylene oxide) (PEO) and polyvinyl alcohol (PVA), can be easily electrospun into nanofibers. In this paper, poly(butylenes succinate-co-bytylene terephthalate) (PBST), a kind of aliphatic-aromatic copolyesters, is chosen to be the base material for electrospinning. It shares desirable biodegradability and good mechanical properties [12]. A kind of Chinese traditional drugs called “Yunnan Baiyo,” which is a highly valued and important traditional Chinese drug, is used as an additive. There are a wide variety of therapeutic uses of “Yunnan Baiyo,” including the promotion of blood circulation, removal of blood stasis, anti-inflammatory action, hemostasis, induction of blood clotting, relief of swelling, and alleviation of pain, it can also be used for the treatment of traumatic injury, spitting blood, hemoptysis, surgical bleeding, suppurative and pyogenic infections, soft tissue bruise, closed fracture, infective diseases on skin and so forth. It also has potential applications in wound dressings [7]. 3. Experimental 3.1. Materials Poly(butylenes succinate-co-bytylene terephthalate) (PBST) with a molecular weight of 20,000?g/mol was supplied by Shanghai Institute of Organic Chemistry. PBST
A Descriptive Model of Robot Team and the Dynamic Evolution of Robot Team Cooperation
Shu-qin Li,Lan Shuai,Xian-yi Cheng,Zhen-min Tang
International Journal of Advanced Robotic Systems , 2008,
Abstract: At present, the research on robot team cooperation is still in qualitative analysis phase and lacks the description model that can quantitatively describe the dynamical evolution of team cooperative relationships with constantly changeable task demand in Multi-robot field. First this paper whole and static describes organization model HWROM of robot team, then uses Markov course and Bayesian theorem for reference, dynamical describes the team cooperative relationships building. Finally from cooperative entity layer, ability layer and relative layer we research team formation and cooperative mechanism, and discuss how to optimize relative action sets during the evolution. The dynamic evolution model of robot team and cooperative relationships between robot teams proposed and described in this paper can not only generalize the robot team as a whole, but also depict the dynamic evolving process quantitatively. Users can also make the prediction of the cooperative relationship and the action of the robot team encountering new demands based on this model.
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