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Perspectives in human brain plasticity sparked by glioma invasion:from intraoperative(re)mappings to neural reconfigurations
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作者 Sam Ng Hugues Duffau Guillaume Herbet 《Neural Regeneration Research》 SCIE CAS CSCD 2024年第5期947-948,共2页
Exploring the aptitude of the human brain to compensate functional consequences of a lesion damaging its structural architecture is a key challenge to improve patient care in various neurological diseases,to optimize ... Exploring the aptitude of the human brain to compensate functional consequences of a lesion damaging its structural architecture is a key challenge to improve patient care in various neurological diseases,to optimize neuroscientifically-informed strategies of postlesional rehabilitation,and ultimately to develop innovative neuro-regenerative therapies.The term‘plasticity’,initially referring to the intrinsic propensity of neurons to modulate their synaptic transmission in a learning situation,was progressively transposed to brain injury research and clinical neurosciences.Indeed,in the event of brain damage,adaptive mechanisms of compensation allow a partial reshaping of the structure and activities of the central nervous system,thus permitting to some extent the maintenance of brain functions. 展开更多
关键词 PLASTICITY figuration consequences
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Poloidal magnetic field reconstruction by laser-driven ion-beam trace probe in spherical tokamak
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作者 Zuyu ZHANG Tianchao XU +4 位作者 Chijie XIAO Xianli HUANG Renchuan HE Ruixin YUAN Xiaoyi YANG 《Plasma Science and Technology》 SCIE EI CAS CSCD 2024年第11期58-64,共7页
The poloidal magnetic field( B_(p)) plays a critical role in plasma equilibrium, confinement and transport of magnetic confinement devices. Multiple diagnostic methods are needed to complement each other to obtain a m... The poloidal magnetic field( B_(p)) plays a critical role in plasma equilibrium, confinement and transport of magnetic confinement devices. Multiple diagnostic methods are needed to complement each other to obtain a more accurate B_(p) profile. Recently, the laser-driven ion-beam trace probe(LITP) has been proposed as a promising tool for diagnosing B_(p) and radial electric field( E_(r)) profiles in tokamaks [Yang X Y et al 2014 Rev. Sci. Instrum. 85 11E429]. The spherical tokamak(ST) is a promising compact device with high plasma beta and naturally large elongation. However, when applying LITP to diagnosing B_(p) in STs, the larger B_(p) invalidates the linear reconstruction relationship for conventional tokamaks, necessitating the development of a nonlinear reconstruction principle tailored to STs. This novel approach employs an iterative reconstruction method based on Newton's method to solve the nonlinear equation. Subsequently,a simulation model to reconstruct the B_(p) profile of STs is developed and the experimental setup of LITP is designed for EXL-50, a middle-sized ST. Simulation results of the reconstruction show that the relative errors of B_(p) reconstruction are mostly below 5%. Moreover, even with 5 mm measurement error on beam traces or 1 cm flux surface shape error, the average relative error of reconstruction remains below 15%, initially demonstrating the robustness of LITP in diagnosing B_(p) profiles in STs. 展开更多
关键词 laser-driven ion-beam trace probe poloidal magnetic field diagnostic iterative reconstruction
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Formal Integration of Decorative Elements in the Creation of Figurative Sculpture
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作者 Wenzhong Yu 《Journal of Contemporary Educational Research》 2024年第10期54-60,共7页
Figurative sculpture and decorative elements belong to the same category of art;the development of sculpture art requires innovation and constant exploration of new development paths,while many characteristics of deco... Figurative sculpture and decorative elements belong to the same category of art;the development of sculpture art requires innovation and constant exploration of new development paths,while many characteristics of decorative elements can give the creation of sculpture works a variety of inspiration.This paper explores the significance of figurative sculpture and decorative elements,examining their intrinsic connections and historical practices.The study aims to uncover the potential of figurative sculpture in the creation of decorative elements,highlighting how the integration of these forms can contribute to the development of art and the creation of meaningful figurative sculptures. 展开更多
关键词 figurative sculpture Decorative elements Sculpture creation form
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Application of Chinese Ethnic Minority Themes in Contemporary Figurative Sculpture Creation
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作者 Wenxian Zhang 《Journal of Contemporary Educational Research》 2024年第9期186-190,共5页
In the field of contemporary sculpture creation,the rich culture and historical depth of Chinese ethnic minorities have attracted the widespread attention of artists.These creations not only emphasize external feature... In the field of contemporary sculpture creation,the rich culture and historical depth of Chinese ethnic minorities have attracted the widespread attention of artists.These creations not only emphasize external features such as ethnic costumes,totems,or life scenes but also touch deep spiritual contents including historical stories,religious beliefs,and living habits of ethnic minorities.This paper discusses the integration process of Chinese ethnic minority themes in figurative sculpture creation and the inheritance of the profound spirit of ethnic groups in this process.At the same time,this paper also places the diversified expression and innovative practice of these themes in sculpture art in the context of the new era for investigation and explores the far-reaching influence of its development on promoting cultural inheritance and artistic innovation. 展开更多
关键词 Ethnic minority themes Contemporary figurative sculpture Integration and development
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利用Breath Figure法制备具有Honeycomb结构的有机/无机复合膜 被引量:6
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作者 申延明 吴静 +4 位作者 卢欣 唐杨军 刘丹 李长龙 李天舒 《高等学校化学学报》 SCIE EI CAS CSCD 北大核心 2009年第7期1464-1468,共5页
以聚苯乙烯和正硅酸乙酯的有机溶液为铸膜溶液,利用Breath Figure法制备了PS/SiO2 Honeycomb结构复合膜.采用SEM对复合膜进行了形貌分析,探讨了聚合物浓度、PS/TEOS配比、聚合物的结构、溶剂等对膜Honeycomb结构的影响.研究结果表明,聚... 以聚苯乙烯和正硅酸乙酯的有机溶液为铸膜溶液,利用Breath Figure法制备了PS/SiO2 Honeycomb结构复合膜.采用SEM对复合膜进行了形貌分析,探讨了聚合物浓度、PS/TEOS配比、聚合物的结构、溶剂等对膜Honeycomb结构的影响.研究结果表明,聚合物浓度在20~50mg/mL,PS/TEOS质量比大于2∶1的条件下可以制备结构完整的多孔膜,且制备的Honeycomb结构在0.8cm2内无缺陷;采用双羧基封端的聚苯乙烯成膜效果好于单羧基封端的成膜效果;以氯仿和苯作为溶剂均可以制备完全Honeycomb结构的复合膜,但以苯为溶剂制备的多孔膜孔径较大.成膜中TEOS水解不完全,复合膜中混杂着未完全水解的TEOS以及SiO2.EDS面扫描分析表明,Si和O均匀地分散在复合膜中. 展开更多
关键词 BREATH figure法 水辅助法 有序多孔膜 Honeycomb结构 有机/无机复合膜
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Breath Figure法制备聚碳酸酯(PC)蜂窝状多孔膜 被引量:3
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作者 刘瑞来 刘俊劭 刘海清 《高分子材料科学与工程》 EI CAS CSCD 北大核心 2013年第3期133-136,共4页
以单组分聚碳酸酯(PC)为膜材质,在一定的湿度环境下,利用Breath Figure法在玻璃基板上成功制备了蜂窝状孔结构的聚碳酸酯多孔膜。研究了溶剂、溶液浓度和湿度对所成多孔膜结构和形貌的影响。实验结果表明,采用二氯甲烷为溶剂所制得的孔... 以单组分聚碳酸酯(PC)为膜材质,在一定的湿度环境下,利用Breath Figure法在玻璃基板上成功制备了蜂窝状孔结构的聚碳酸酯多孔膜。研究了溶剂、溶液浓度和湿度对所成多孔膜结构和形貌的影响。实验结果表明,采用二氯甲烷为溶剂所制得的孔结构规整,排列均匀紧密,孔径大小为(3.30±0.19)μm,而以三氯甲烷为溶剂只能得到孔径大小不均且无紧密排列的孔。环境湿度从43%增加到91%,孔径大小由(2.28±0.63)μm增加到(9.07±1.42)μm,且湿度与孔大小基本上呈现一阶线性关系,通过理论推导得出直线斜率为0.15μm/%,即在此体系中湿度每增加1%,所形成的孔大小增加0.15μm。 展开更多
关键词 聚碳酸酯 BREATH figure法 蜂窝孔
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隐喻认知解读中的Figurative Thinking——一堂语篇阅读教学课程的个案分析 被引量:6
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作者 于广 王松鹤 《外语学刊》 CSSCI 北大核心 2011年第2期52-55,共4页
隐喻认知解读是语言学习者必备的一种语言解析能力。然而,在语篇阅读教学中,隐喻常常使学生陷入认知困境。本文力图通过在语篇教学中运用Littlemore和Low的研究成果——Figurative thinking询问程式,引导学生寻找事物间的概念相似性和... 隐喻认知解读是语言学习者必备的一种语言解析能力。然而,在语篇阅读教学中,隐喻常常使学生陷入认知困境。本文力图通过在语篇教学中运用Littlemore和Low的研究成果——Figurative thinking询问程式,引导学生寻找事物间的概念相似性和关联性,激活学生大脑中的意象图式,达到语篇隐喻认知突破。 展开更多
关键词 语篇教学 隐喻 figurATIVE thinking询问程式 认知突破
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Lichtenberg Figures 技术的新应用 被引量:2
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作者 徐伟军 翁明 郑德修 《电工电能新技术》 CSCD 1999年第1期36-39,共4页
本文叙述了LichtenbergFigures(李庭博图)技术的新应用,即KirlianPho-tography(电晕放电成像)技术的基本原理。提出了影响成像清晰度的关键问题是外部电脉冲的宽度,并用纳秒脉冲放电技术获... 本文叙述了LichtenbergFigures(李庭博图)技术的新应用,即KirlianPho-tography(电晕放电成像)技术的基本原理。提出了影响成像清晰度的关键问题是外部电脉冲的宽度,并用纳秒脉冲放电技术获得了清晰的电晕像。同时就KirlianPho-tography的应用提出了一些看法。 展开更多
关键词 李庭博图 电晕放电 纳秒脉冲 放电 脉冲放电
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Cortical hem signaling center: functions, development, and potential implications for evolution and brain disorders
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作者 Victor V.Chizhikov Igor Y.Iskusnykh 《Neural Regeneration Research》 SCIE CAS 2025年第4期1079-1080,共2页
Development of the telencephalon relies upon several signaling centers-localized cellular populations that supply secreted factors to pattern the cortical neuroepithelium.One such signaling center is the cortical hem,... Development of the telencephalon relies upon several signaling centers-localized cellular populations that supply secreted factors to pattern the cortical neuroepithelium.One such signaling center is the cortical hem,which arises during embryonic development at the telencephalic dorsal midline,adjacent to the choroid plexus and hippocampal primordium(Figure 1A).While the cortical hem has also been described in reptiles and birds,most of our knowledge about the developmental roles of the cortical hem is derived from the analysis in mice.The cortical hem produces several types of secreted molecules,including wingless-related integration site(Wnt)and bone morphogenetic(Bmp)proteins.The cortical hem is particularly important for the development of the hippocampus,which is involved in learning and memory,and the neocortex,which is the most complex brain region that mediates multiple types of behavior and higher cognitive functions(Mangale et al.,2008;Dal-Valle-Anton and Borrell,2022). 展开更多
关键词 EPITHELIUM figurE CENTER
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Regeneration mechanisms and therapeutic strategies for neuromuscular junctions in aging and diseases
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作者 Masashi Fujitani Abu Md Mamun Tarif Yoshinori Otani 《Neural Regeneration Research》 SCIE CAS 2025年第1期193-194,共2页
The neuromuscular junction(NMJ)is an essential synaptic structure composed of motor neurons,skeletal muscles,and glial cells that orchestrate the critical process of muscle contraction(Li et al.,2018).The typical NMJ ... The neuromuscular junction(NMJ)is an essential synaptic structure composed of motor neurons,skeletal muscles,and glial cells that orchestrate the critical process of muscle contraction(Li et al.,2018).The typical NMJ structure is classically described as having a“pretzel-like”shape in mice(Figure 1),whereas human NMJs have a smaller,fragmented structure throughout adulthood.Degenerated NMJs exhibit smaller or fragmented endplates,partial denervation,reduced numbers of synaptic vesicles,abnormal presynaptic mitochondria,and dysfunctional perisynaptic Schwann cells(Alhindi et al.,2022). 展开更多
关键词 AGING STRUCTURE figurE
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Tilting homeostatic and dyshomeostatic microglial balance in health and disease:transforming growth factor-beta1 as a critical protagonist
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作者 Nicolas Hugues Yu Luo 《Neural Regeneration Research》 SCIE CAS 2025年第10期2895-2897,共3页
Adult microglia,by continuously sensing changes in their environment and communicating with nearly all brain cell types,are considered to be the immune sentinels of the brain.In the healthy central nervous system(CNS)... Adult microglia,by continuously sensing changes in their environment and communicating with nearly all brain cell types,are considered to be the immune sentinels of the brain.In the healthy central nervous system(CNS),microglia display a unique molecular homeostatic signature(i.e.,Tmem119,P2ry12,Sall1,Siglech,Gpr34,and Hexb)(Figure 1A). 展开更多
关键词 figurE signature CRITICAL
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Retraction:The effects of exercise interventions on brain-derived neurotrophic factor levels in children and adolescents:a meta-analysis
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《Neural Regeneration Research》 SCIE CAS 2025年第11期3075-3075,共1页
At the request of the authors,Neural Regeneration Research is retracting the research article titled"The effects of exercise interventions on brain-derived neurotrophic factor levels in children and adolescents:a... At the request of the authors,Neural Regeneration Research is retracting the research article titled"The effects of exercise interventions on brain-derived neurotrophic factor levels in children and adolescents:a meta-analysis"(Shao et al.,2025;doi:10.4103/NRR.NRR-D-23-01296)due to erroneous data in Figure 4,which were produced during data extraction and synthesis.These erroneous analysis results lead to unreliable findings and misleading conclusions. 展开更多
关键词 SYNTHESIS figurE REGENERATION
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Lactate is a potentially harmful substitute for brain glucose fuel:consequences for metabolic restoration of neurotransmission
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作者 Oliver Kann Lennart Soder Babak Khodaie 《Neural Regeneration Research》 SCIE CAS 2025年第5期1403-1404,共2页
The metabolite lactate (L-lactate) can be generated and released by diverse brain cells,including neurons,astrocytes,and oligodendrocytes (Kann,2023;Rae et al.,2024).Lactate production usually requires the degradation... The metabolite lactate (L-lactate) can be generated and released by diverse brain cells,including neurons,astrocytes,and oligodendrocytes (Kann,2023;Rae et al.,2024).Lactate production usually requires the degradation of glucose (D-glucose)-and glycogen in astrocytes-to pyruvate by glycolysis and subsequent conversion of pyruvate to lactate by the enzyme lactate dehydrogenase(Figure 1A;Dienel,2019;Rae et al.,2024). 展开更多
关键词 consequences figurE RESTORATION
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Relationship Between Noise Figure and Equivalent Input Noise Current Spectral Density for Optical Receiver Design
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作者 孙玲 王志功 +1 位作者 景为平 高建军 《Journal of Semiconductors》 EI CAS CSCD 北大核心 2006年第12期2085-2088,共4页
Based on the equivalent circuit model of a two-port optical receiver front-end,the relationship between the equivalent input noise current spectral density and the noise figure is analyzed. The derived relationship ha... Based on the equivalent circuit model of a two-port optical receiver front-end,the relationship between the equivalent input noise current spectral density and the noise figure is analyzed. The derived relationship has universal validity for determining the equivalent input noise current spectral density for optical receiver designs, as verified by measuring a 155Mb/s high-impedance optical receiver front.end. Good agreement between calculated and simulated results has been achieved. 展开更多
关键词 optical receiver noise figure equivalent input noise current
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Figure-9腔锁模全保偏掺铒光纤飞秒激光器 被引量:1
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作者 杨小亮 韦佳天 +2 位作者 吕宏伟 陈峰 刘志强 《光通信技术》 2023年第5期58-62,共5页
针对特殊应用领域对高可靠性、轻量化、输出功率大于100 mW、重频大于50 MHz的飞秒激光器的需求,设计了一种Figure-9腔锁模全保偏掺铒光纤飞秒激光器,通过在腔锁模振荡器中引入π/2相移偏置,降低了振荡器的自启动锁模阈值。实验结果表明... 针对特殊应用领域对高可靠性、轻量化、输出功率大于100 mW、重频大于50 MHz的飞秒激光器的需求,设计了一种Figure-9腔锁模全保偏掺铒光纤飞秒激光器,通过在腔锁模振荡器中引入π/2相移偏置,降低了振荡器的自启动锁模阈值。实验结果表明:当泵浦功率为130 mW时,振荡器可获得平均功率为12 mW、重频为85.89 MHz、脉冲宽度为249 fs的稳定锁模脉冲序列输出;采用一级正色后向泵浦散掺铒增益光纤放大器进行放大后,最终可获得平均功率为113 mW、脉冲宽度为107 fs的飞秒脉冲序列输出。 展开更多
关键词 保偏 figure-9腔 激光器 锁模 非线性放大光纤环
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汉语名词短语及存现句语序的“Ground-to-Figure”假说 被引量:1
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作者 郑晓行 《现代语文(下旬.语言研究)》 2015年第8期57-62,共6页
20世纪以来的汉语语序研究虽然取得了不少成果,但仍需要全面、系统和深入的研究。从"以运用为基础"的认知语言学研究范式来看,汉语句法结构通过概念隐喻在汉语使用者的日常空间思维的基础上生成,因此,汉语名词短语:"……... 20世纪以来的汉语语序研究虽然取得了不少成果,但仍需要全面、系统和深入的研究。从"以运用为基础"的认知语言学研究范式来看,汉语句法结构通过概念隐喻在汉语使用者的日常空间思维的基础上生成,因此,汉语名词短语:"……>名词整体(背景)>名词部分(图形)>……""……>名词大(背景)>名词小(图形)>……""……>名词空间/时间(背景)>名词对象(图形)>……"和存现句"……(NPloc/time)……(V)……(NP)……"等语序在汉语使用者的"Ground-to-Figure"的认知过程的基础上生成。在此基础上提出的汉语名词短语及存现句的"Ground-to-Figure"假说是一条汉语语序生成的重要机制,但不是唯一机制。 展开更多
关键词 汉语名词短语 存现句 语序 Ground—to—figure
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The figures of speech in Song of Solomon
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作者 张伟 《神州》 2014年第17期29-29,共1页
The Song of Solomon is a series of love poems which contain 6 pieces of love poems and most part in the form of songs addressed by a man to a woman, and by the woman to the man, in order to express the love between th... The Song of Solomon is a series of love poems which contain 6 pieces of love poems and most part in the form of songs addressed by a man to a woman, and by the woman to the man, in order to express the love between them.Figures of speech are ways of making our language figurative. They can be divided into three parts, they are syntactical, semantic and phonetic rhetorical devices. These rhetorical devices can help us to heighten effect and to make the writing figuratively and vividly.These figures of speech used in the Song of Solomon make great contribution to the success description of these long songs.This essay will center on the figures of speech in the Song of Solomon. 展开更多
关键词 SOLOMON RHETORICAL figurES PHONETIC SENTENCE semantic writing pieces PARALLELISM beauty
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Breath Figures法制备漆酚铜聚合物多孔膜 被引量:1
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作者 罗震 徐艳莲 林金火 《功能材料》 EI CAS CSCD 北大核心 2012年第1期69-72,共4页
以漆酚铜聚合物(UCP)有机溶液为铸膜液,采用Breath Figures法制备漆酚铜聚合物多孔膜,探讨了溶剂、环境相对湿度和潮湿气体流速等因素对多孔膜形貌的影响,并使用红外光谱和扫描电镜等进行表征。结果表明,以二硫化碳为溶剂,在静态(潮湿... 以漆酚铜聚合物(UCP)有机溶液为铸膜液,采用Breath Figures法制备漆酚铜聚合物多孔膜,探讨了溶剂、环境相对湿度和潮湿气体流速等因素对多孔膜形貌的影响,并使用红外光谱和扫描电镜等进行表征。结果表明,以二硫化碳为溶剂,在静态(潮湿气体流速为0mL/min,湿度为95%)或动态(潮湿气体流速为400mL/min,湿度为85%)时,均可制得孔分布均匀、孔型规整、优良耐热性和耐酸碱性的疏水性UCP多孔膜,其平均孔径分别为1.5和0.85μm。 展开更多
关键词 漆酚铜聚合物 多孔膜 BREATH figures法
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汉语名词短语左递归现象的“Ground-to-Figure”假说——兼论Hauser,Chomsky&Fitch的FLN假说
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作者 郑晓行 曹杰旺 《淮南师范学院学报》 2016年第1期81-87,共7页
Hauser,Chomsky&Fitch(2002)把"语言器官"区分为FLB和FLN,并假设FLN只包含递归性,(递归性)是人类语言器官独有且唯一的构成要素,它使人类语言可以对"有限的手段进行无限运用"。按照他们的观点,类似汉语名词短... Hauser,Chomsky&Fitch(2002)把"语言器官"区分为FLB和FLN,并假设FLN只包含递归性,(递归性)是人类语言器官独有且唯一的构成要素,它使人类语言可以对"有限的手段进行无限运用"。按照他们的观点,类似汉语名词短语左递归现象均由FLN的递归性生成,这种观点明显不符合汉语实际,也不符合汉语使用者的认知过程。从完形心理学的图形-背景认知原则来说,汉语使用者在认知过程中遵循从背景到图形的顺序,不断切换关注中心,而语言表达也遵循从背景到图形的顺序与之对应,形成了语言使用者对外部事物的完形认知与语言完形表达的异质同构,这就是汉语名词左递归现象的"Ground-to-Figure"假说。汉语名词左递归现象植根于汉语使用者的空间认知,这种语言思维与空间思维之间的同一性关系也得到Lakoff(1987)提出的形式空间化假设的有力的支持,而形式空间化假设又被神经生理学和生物学的研究成果的证实:人类空间思维与语言思维在人类大脑神经系统中由同类结构生成。诸如汉语名词左递归现象的语言递归现象并不是由所谓的FLN的递归性生成,递归性也不是区域限定性的而是区域通用性的,不为FLN独有。从这个意义上说,Hauser,Chomsky&Fitch(2002)的FLN假说是错误的。 展开更多
关键词 汉语名词短语左递归现象 'Ground-to-figure'假说 递归性 FLB FLN
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Breath Figure法制备漆酚铁聚合物微米图案的研究 被引量:1
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作者 金遥 彭嬖琛 +2 位作者 冯丽霞 罗震 徐艳莲 《中国生漆》 2012年第1期6-8,50,共4页
以漆酚铁聚合物(UFP)为基材,采用BreathFigure法制备UFP多孔膜和UFP微球。用扫描电镜观察其形貌,并研究(1)静态和动态的高湿环境下,浓度对UFP多孔膜形貌的影响;(2)聚合物浓度和温度等对UFP微球形貌的影响。结果表明,当环境湿度为85%、... 以漆酚铁聚合物(UFP)为基材,采用BreathFigure法制备UFP多孔膜和UFP微球。用扫描电镜观察其形貌,并研究(1)静态和动态的高湿环境下,浓度对UFP多孔膜形貌的影响;(2)聚合物浓度和温度等对UFP微球形貌的影响。结果表明,当环境湿度为85%、潮湿气体流速为400mL/min、聚合物浓度为50.0mg/mL,多孔膜的孔呈圆形且分布均匀。当UFP/二氯甲烷浓度为50.0mg/mL、气氛为甲醇及进样量为10.0μL时,所得的微球的形貌较好。在实验范围内,UFP溶液浓度越大,所制得的UFP多孔膜和微球的形貌越规整。 展开更多
关键词 漆酚铁聚合物 BREATH figurE 多孔膜 微球
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