检索结果-南通市图书馆

A novel memristive neural network with hidden attractors and its circuitry implementation

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Science China(Technological Sciences) 2016年第3期59卷 358-363页

作者： PHAm Viet Thanh JAFARI Sajad VAIDYANATHAN sundarapandian VolOS Christos WANG Xiong School of Electronics and Telecommunications Hanoi University of Science and Technology Ol Dai Co Viet Hanoi Vietnam Biomedical Engineering department Amirkabir University of Technology Tehran 15875-4413 Iran Research and development Centre Vel Tech University Avadi Chennai-600062 Tamil Nadu India Physics department Aristotle University of Thessaloniki GR-54124 Greece Institute for Advanced Study Shenzhen University Shenzhen 518060 China

Neural networks have been applied in various fields from signal processing, pattern recognition, associative memory to artifi- cial intelligence. Recently, nanoscale memristor has renewed interest in experimental realization of neural network. A neural network with a memristive synaptic weight is studied in this work. Dynamical properties of the proposed neural network are investigated through phase portraits, Poincar6 map, and Lyapunov exponents. Interestingly, the memristive neural network can generate hyperchaotic attractors without the presence of equilibrium points. moreover, circuital implementation of such memristive neural network is presented to show its feasibility.

关键词： neural network memristor hyperchaos hidden attractor equilibrium

Anti-inflammatory and antinociceptive activities of Rhipicephalus microplus saliva

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Asian Pacific Journal of Tropical Biomedicine 2018年第4期8卷 194-200页

作者： DF.Buccini AA.Nunes GGO.Silva ON.Silva ol.Franco SE.moreno Programa de Pos-Graduacao em Biotecnologia e Biodiversidade Universidade Federal do Mato Grosso do Sul S-Inova Biotech Programa de Pos-Graduacao em Biotecnologia Universidade Catolica Dom Bosco Programa de Pos-Graduacao em Patologia molecular Universidade de Brasilia Centro de Analises Proteomicas e Bioquimicas Programa de Pos-Graduacao em Ciencias Genomicas e Biotecnologia Universidade Catolica de Brasilia

To evaluate the antinociceptive and anti-inflammatory activities and the toxic effects of Rlhipicephalus microplus saliva for elucidating the modulation mechanism between arthropod saliva and ***:For saliva collection,engorged ticks were obtained from a controlled bovine infestation and collected by natural *** ticks were fixed and injected pilocarpine 0.2%for induction of *** was collected,lyophilized and stored at-80℃.Cytotoxic activity was assessed by the hemolysis method(25,50,100,200 and 300μg/mL)and mTT cell viability assay(2.5,5,10,20 and 40μg/mL)for 24,48 and 72 ***-inflammatory activity was evaluated using the method of neutrophil migration to the peritoneal cavity of mice at doses of l0,15 and 20 mg/kg;antinociceptive activity was assessed using the acetic acid-induced writhing test,and formalin-induced paw-licking in mice at dose of 15 mg/***:Saliva did not cause erythrocytes hemolysis at any concentration tested,as well as did not decrease cell viability in the mTT *** inhibited neutrophil migration by 87%and 73%at doses of l5 and 20 mg/kg,*** the nociceptive tests,saliva presented analgesic activity of69.96%in the abdominal writhing test,and of 84.41%in the formalin *** study proves that Rlhipiceplhalus microplus saliva has significant in vivo anti-inflammatory and antinociceptive *** data presented herein support the development of further studies to elucidate the active principles of Rhipicephalus microplus saliva and its mechanism of action and,in future,to develop novel anti-inflammatory and analgesic drugs.

关键词： Rhipicephalus microplus Saliva Tick Antinociceptive Anti-inflammatory

Online conflict resolution strategies for human activity recognition in smart homes

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Control and decision 2023年第3期10卷 402-416页

作者： Amina Jarraya Amel Bouzeghoub Amel Borgi Facultédes Sciences de Tunis Universitéde Tunis El ManarTunisTunisia Samovar Télécom SudParisInstitut Polytechnique de ParisPalaiseauFrance Facultédes Sciences de Tunis Institut Supérieur d’InformatiqueUniversitéde Tunis El ManarTunisTunisia

DCR-ol is a Distributed Collaborative Reasoning multi-agent model with an Online Learning thataims to identify human activities in smart homes from distributed, heterogeneous and dynamicsensor data. In this model, distributed learning agents with diverse classifiers, detect sensorstream data, make local predictions, communicate and collaborate to identify current ***, they learn from their collaborations to improve their own performance in activity *** resolution strategies are applied to generate one final predicted activity when thelocal predicted activity of an agent is different from received predicted activities of other *** this paper, two conflict resolution strategies using online learning, w-max-trust and w-maxfreq,are proposed. We experimentally test these strategies by performing an evaluation studyon the Aruba dataset. The obtained results indicate an enhancement in terms of accuracy and Fmeasuremetrics compared to the offline strategies max-trust and max-freq and also to the onlineexisting one max-wPerf .

关键词： Human activity recognition distributed reasoning learning agents smart homes online learning conflict resolution strategies sensor data stream

Las Diferencias Lexicas del Espan ol Entre Cuba Y Espana

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

西安翻译学院学报 2019年第3期26卷 58-62页

作者： Yan Shengting departamento de espanol de la Universidad XFY Ciudad Xi'an de la provincia Shaanxi China

El espanol de Cuba es diferente del espanol en Espana no solo en las palabras, sino tambien en los fenomenos. Cuando estaba en Cuba, siempre ofa a los cubanos hablar de una forma muy diferente, para un extranjero cuya lengua matema no es el espanol, la investigacion es muy complicada, pero pese a esta circunstancia, en este trabajo analizare las diferencias del espanol entre Espana y Cuba de una manera esencialmente practica.

关键词： lexicas linguistica comunicacion variedad

蒙古族原发性闭角型青光眼患者小梁细胞凋亡的流式细胞学研究

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

中华实验眼科杂志 2013年第3期31卷 288-291页

作者：崔巍孔德铭路强云丽娜内蒙古自治区人民医院眼科呼和浩特Ol0017

背景研究表明，蒙古族原发性闭角型青光眼（PACG）的患病率较汉族人群高3．02倍，了解其发病原因及机制对于蒙古族人群PACG的预防和治疗有积极的意义。目的从小梁细胞凋亡的角度探讨蒙古族PACG的发病机制。方法参照中华医学会眼科分会... 详细信息

背景研究表明，蒙古族原发性闭角型青光眼（PACG）的患病率较汉族人群高3．02倍，了解其发病原因及机制对于蒙古族人群PACG的预防和治疗有积极的意义。目的从小梁细胞凋亡的角度探讨蒙古族PACG的发病机制。方法参照中华医学会眼科分会青光眼组1987年制定的诊断标准纳入在内蒙古自治区人民医院眼科接受治疗的蒙古族PACG患者32例32眼及汉族PACG患者40例40眼，另选取因眼外伤需摘除眼球的蒙古族正常人13例13眼及汉族正常人17例17眼作为对照。术前测量受检眼眼压。所有患者均于常规小梁切除手术时取小梁组织，采用annexinv—FITC／PI双标记染色，在FACSalibur型四色流式细胞仪上进行双参数分析，测定坏死、凋亡和正常细胞的百分率。结果蒙古族、汉族PACG组及蒙古族和汉族正常对照组眼压测量值分别为（35．97±7．11）、（38．70±6．82）、（14．69±2．91）和（13．59±2．91）mmHg（1mmHg=0．133kPa），4个组间的总体比较差异有统计学意义（F=106．144，P=0．000），其中蒙古族PACG组和汉族PACG组的眼压均明显高于正常对照组，差异有统计学意义（P〈0．05）。蒙古族PACG组、汉族PACG组及蒙古族正常对照组、汉族正常对照组小梁细胞凋亡率分别为（7．14±0．67）％、（5．40．4-0．69）％、（5．86±0．91）％和（2．29±0．65）％，总体差异有统计学意义（F=174．888，P=0．000），其中蒙古族PACG组小梁细胞凋亡率明显高于汉族PACG组和蒙古族正常对照组，差异有统计学意义（P〈0．05）。蒙古族PACG组和汉族PACG组比较、蒙古族正常对照组和汉族正常对照组间小梁细胞的凋亡率比较差异均无统计学意义（P〉0．05）。小梁细胞凋亡率随着眼压的升高而增加（b=0．990，F=10．209，P=0．009），直线回归方程为＇，=2．788＋0．092X。结论蒙古族PACG人群小梁细胞凋亡率明显高于汉族人群，是否与蒙古族PACG发病率高有关值得进一步研究。

关键词：青光眼原发性闭角型青光眼蒙古族发病机制凋亡小梁细胞流式细胞学

Turbo-taxonomy to assemble a megadiverse lichen genus:seventy new species of Cora(Basidiomycota:Agaricales:Hygrophoraceae),honouring David Leslie Hawksworth’s seventieth birthday

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Fungal Diversity 2017年第3期84卷 139-207页

作者： Robert Lücking manuela Dal Forno Bibiana moncada Luis Fernando Coca Leidy Yasmín Vargas-mendoza André Aptroot Laura Juliana Arias Betty Besal Frank Bungartz Diego mauricio Cabrera-Amaya marcela E.S.Cáceres José Luis Chaves Sionara Eliasaro martha Cecilia Gutiérrez Jesús E.Hernández marin maría de los Ángeles Herrera-Campos maría E.Holgado-Rojas Harald Jonitz martin Kukwa Fabiane Lucheta Santiago madriñán marcelo Pinto marcelli Suzana maria de Azevedo martins Joel A.mercado-Díaz Jorge Alberto molina Eduardo A.morales Peter R.Nelson Freddy Nugra Francisco Ortega Telma Paredes Ayda Lucía Patiño Rouchi Nadine Peláez-Pulido Rosa Emilia Pérez Pérez Gary B.Perlmutter Eimy Rivas-Plata Javier Robayo Camilo Rodríguez Diego Fernando Simijaca Edier Soto-medina Adriano Afonso Spielmann Alejandra Suárez-Corredor Jean-marc Torres Carlos Alberto Vargas Alba Yánez-Ayabaca Gothamie Weerakoon Karina Wilk marcela Celis Pacheco mauricio Diazgranados Grischa Brokamp Thomas Borsch Patrick m.Gillevet masoumeh Sikaroodi James D.Lawrey Botanical Garden and Botanical museum Berlin KöniginLuise-Straße 6-814195 BerlinGermany Science Education The Field Museum1400 South Lake ShoreChicagoIL 60605USA department of Botany Smithsonian InstitutionNational Museum of Natural History10th St Constitution Ave NWWashingtonDC 20560USA department of Environmental Science and Policy George Mason UniversityFairfaxVA 22030-4444USA Licenciatura en Biologı´a Universidad Distrital Francisco Jose´de CaldasCra.4 No.26D-54Torre de LaboratoriosHerbarioBogota´D.C.Colombia Herbario Universidad de Caldas(FAUC) Edificio BicentenarioCalle 65No.26-10ManizalesA.A.275CaldasColombia ABL Herbarium G.v.d.Veenstraat 1073762 XK SoestThe Netherlands Biologı´a Universidad del Quindı´oCarrera 15 Calle 12 NorteArmeniaQuindı´oColombia 120 Chavis Avenue LexingtonVA 24450USA Charles Darwin Foundation Puerto AyoraSanta Cruz IslandGala´pagosEcuador Schedestraße 8 53113 BonnGermany Jardı´n Bota´nico de Bogota´Jose´Celestino mutis Avenida Calle 63 No.68-95Bogota´D.C.Colombia departamento de Biocieˆncias Universidade Federal de SergipeAvenida Vereador Olı´mpio Grandes/n.ItabaianaCEP:49.500-000 SergipeBrazil Laboratorio de Hongos Instituto Nacional de Biodiversidad(INBio)Apdo.22-3100Santo Domingo de HerediaCosta Rica departamento de Botaˆnica Universidade Federal do Parana´Campus Polite´cnicoSetor de Cieˆncias Biolo´gicasAv.Cel.Francisco H.dos Santoss/nJardim das Ame´ricas81531-980 CuritibaPRBrazil Ingenierı´a Ambiental Universidad Distrital Francisco Jose´de CaldasCarrera 5 Este No.15-82Av.CircumvalarBogota´D.C.Colombia Instituto Experimental Jardı´n Bota´nico Dr.Tobı´as Lasser Centro de Investigacio´n y DesarrolloUniversidad Central de VenezuelaAve.Salvador AllendeJardı´n Bota´nico de CaracasApartado#2156Caracas 1010-AVenezuela departamento de Bota´nica Instituto de Biologı´aUniversidad Nacional Auto´noma de Me´xicoApartado Postal 70-36704510 Ciudad De Me´xicoMexico Facultad de Ciencias Escuela Profesional de Biologı´aUniv

Following a large-scale phylogenetic study of the lichenized genus Cora(Basidiomycota:Agaricales:Hygrophoraceae),we formally describe 70 new species,honouring the seventieth birthday of David Leslie Hawksworth,one of the preeminent figures in mycology and lichenology in the past 50 *** on an updated phylogeny using the ITS fungal barcoding locus,we now recognize 189 taxa in a genus that until recently was considered to represent a single species;including this contribution,92 of these are formally recognized,including five taxa based on historical names or collections that have not been *** of Cora can be recognized by a combination of morphological(size,colour,lobe configuration,surface hairs,hymenophore size and shape),anatomical(thallus thickness,cortex structure,photobiont type,hyphal papillae),and ecogeographical features(substrate,habitat,distribution),and a keytable allowing the identification of all accepted taxa is *** new species are:Cora accipiter moncada,madrin˜a´n&Lücking ***.,*** moncada,Soto-medina&Lücking ***.,*** moncada,Dal Forno&Lücking ***.,*** Dal Forno,Chaves&Lücking ***.,*** moncada,***ı´guez&Lücking ***.,*** Lücking,moncada&*** ***.,*** moncada,Ya´nez-Ayabaca&Lücking ***.,*** moncada,Patin˜o&Lücking ***.,*** Lücking,***&Dal Forno ***.,*** Holgado,Rivas Plata&Perlmutter ***.,*** Dal Forno,Eliasaro&Spielmann ***.,*** Nugra,Dal Forno&Lücking ***.,*** Lücking,martins&Lucheta ***.,*** moncada,R.-***´rez&Lücking ***.,*** moncada,***.&Lücking ***.,*** moncada,CabreraAmaya&Lücking ***.,*** moncada,R.-***´rez&***.,*** Lücking,***&Dal Forno ***.,*** moncada,***´rez-Corredor&Lücking ***.,*** moncada,***&Lücking ***.,***

关键词： Bolivia Citizen science Chile mexico Puerto Rico Sri Lanka

Analysis of ocean internal waves imaged by multichannel reflection seismics,using ensemble empirical mode decomposition

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Analysis of ocean internal waves imaged by multichannel refl...

Triangle singularity enhancing isospin violation in B^0_s→ J/ψπ~0f_0(980)

中国科学院地质与地球物理研究所2012年度（第12届）学术年会

作者： Haibin Song Yang Bai Luis Pinheiro Chongzhi Dong Xinghui Huang Boran Liu Key Laboratory of Petroleum Resources Research Institute of Geology and GeophysicsChinese Academy of Sciences Graduate University of Chinese Academy of Sciences departamento de Geociencias and CESAm Universidade de Aveiro3800 AveiroPortugal Key Laboratory ol Submarine Geosciences Second Institute of Oceanography

Research on ocean internal waves using seismic oceanography is a frontier issue both for marine geophysicists and physical *** of the ocean water layer obtained by conventional processing of multichannel seismic reflection data can show the overall patterns of internal ***,in order to extract more information from the seismic data,new tools need to be ***,we use the ensemble empirical mode decomposition(EEmD) method to decompose vertical displacement data from seismic sections and apply this method to a seismic section from the northeastern South China Sea, where clear internal waves are *** with the conventional empirical mode decomposition method,EEmD has greatly reduced the scale mixing problems induced in the decomposition *** results obtained show that the internal waves in this area are composed of different characteristic wavelengths at different *** depth range of 200-1050 m contains internal waves with a wavelength of 1.25 km that are very well coupled in the vertical *** internal waves with a wavelength of 3 km,in the depth range of 200-600 m,are also well coupled,but in an oblique direction;this suggests that the propagation speed of internal waves of this scale changes with depth in this ***,the internal waves with a wavelength of 6.5 km,observed in the depth range of 200-800 m,are separated into two parts with a phase difference of about 90°,by a clear interface at a depth of 650 m;this allows us to infer an oblique propagation of wave energy of this scale.

关键词： seismic oceanography ocean internal waves EmD EEmD

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

Chinese Physics C 2018年第4期42卷 157-165页

作者： Wei-Hong Liang S. Sakai Ju-Jun Xie E. Oset department of Physics Guangxi Normal University Guilin 541004 China departamento de Física Teórica and IFIC Centro Mixto Universidad de Valencia-CSIC Institutos de Investigación de Paterna Aptdo. 22085 46071 Valencia Spain Institute of modern Physics Chinese Academy of Sciences Lanzhou 730000 China

We perform calculations for the Bs0→ J/ψπ0f0（980） and Bs0 → J/ψπ0a0（980） reactions, showing that the first is isospin-suppressed while the second is isospin-allowed. The reaction proceeds via a triangle mechanism, with Bs0 →J/ψK＊ K ＋c.c., followed by the decay K＊ →Kπ and a further fusion of KK into the f0（980） or a0（980）. We show that the mechanism develops a singularity around the π0 f0（980） or π0a0（980） invariant mass of 1420 meV, where the π0f0 and π0a0 decay modes are magnified and also the ratio of π0f0 to π0a0 production. Using experimental information for the Bs0 → J/ψK＊K ＋c.c. decay, we are able to obtain absolute values for the reactions studied which fall into the experimentally accessible range. The reactions proposed and the observables evaluated, when contrasted with actual experiments, should be very valuable to obtain information on the nature of the low lying scalar mesons.

关键词： triangle singularity light scalar meson isospin violation bottom meson decay

modeling the electrostatic effect on the hydrodynamic behavior in FCC risers： From understanding to application

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Particuology 2016年第2期14卷 122-132页

作者： Guoqiang Chen Qinglin Su Zhenghong LUO department of Chemical Engineering. College of Chemistry and Chemical Engineering Shanghaifiao Tong University Shanghai 200240 China department ol:Chemical and Biochemical Engineering College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China department of Chemical Engineering Loughborough University Loughborough LE11 3TU United Kingdom State Key Laboratory of Coal Conversion Institute of Coal Chemistry Chinese Academy of Sciences Taiyuan 030000 China

A CFD simulation was proposed to investigate the electrostatic effect on the hydrodynamic behavior of turbulent gas-solid flow in FCC risers. The simulation was first verified using the open experimental data with expected electrostatic effects observed in FCC risers. The influences of several operating parameters on the degree of electrification in FCC risers were analyzed, such as surface charge densities, pressure, gas velocity. It was noted that the gas velocity played a highly significant role compared with solid flux, while the effect of pressure was relatively weak. Further analysis showed that a much stronger electrostatic effect was found in small-scale FCC risers than their large-scale counterparts, and in addition, the major regions affected by the electrostatic charge depend on the scale of the riser. Finally, an external electric field was applied to optimize the flow field distribution in the FCC riser. The results of the electrostatic effects on the hydrodynamic behaviors in FCC risers are of great use in providing a reference for the optimization of FCC risers and their scaling.

关键词： multiphase flow mathematical modeling Hydrodynamics FCC riser Electrostatic effect