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Acta Mathematica Sinica,English Series 2008年第1期24卷 159-166页

作者： donald w.barnes 1 Little wonga Rd

Engel subalgebras of finite-dimensional n-Lie algebras are shown to have similar properties to those of Lie algebras. Using these, it is shown that an n-Lie algebra, all of whose maximal subalgebras are ideals, is nilpotent. A primitive 2-soluble n-Lie algebra is shown to split over its minimal ideal, and all the complements to its minimal ideal are conjugate. A subalgebra is shown to be a Cartan subalgebra if and only if it is minimal Engel, provided that the field has sufficiently many elements. Cartan subalgebras are shown to have a property analogous to intravariance.

关键词： n-Lie algebras soluble nilpotent Engel subalgebras

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The landscape epidemiology of echinococcoses

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Infectious Diseases of Poverty 2016年第1期5卷 107-119页

作者： Angela M.Cadavid Restrepo Yu Rong Yang donald P.McManus Darren J.Gray Patrick Giraudoux Tamsin S.barnes Gail M.williams Ricardo J.Soares Magalhães Nicholas A.S.Hamm Archie C.A.Clements Research School of Population Health The Australian National UniversityCanberraNew South WalesAustralia Ningxia Medical University YinchuanNingxia Hui Autonomous RegionP.R.China Molecular Parasitology Laboratory QIMR Berghofer Medical Research InstituteBrisbaneQueenslandAustralia Chrono-environment lab UMR6249University of Bourgogne Franche-Comté/CNRSBesançonFrance Institut Universitaire de France ParisFrance The University of Queensland School of Veterinary ScienceGattonQueenslandAustralia The University of Queensland Queensland Alliance for Agriculture and Food InnovationGattonQueenslandAustralia School of Public Health The University of QueenslandBrisbaneQueenslandAustralia Child Health Research Centre The University of QueenslandBrisbaneQueenslandAustralia Faculty of Geo-Information Science and Earth Observation(ITC) University of TwenteEnschedeThe Netherlands

Echinococcoses are parasitic diseases of major public health importance *** infection results in chronic disease with poor prognosis and serious medical,social and economic consequences for vulnerable *** to recent estimates,the geographical distribution of Echinococcus *** is expanding and becoming an emerging and re-emerging problem in several regions of the *** endemicity is geographically heterogeneous and over time it may be affected by global environmental ***,landscape epidemiology offers a unique opportunity to quantify and predict the ecological risk of infection at multiple spatial and temporal ***,we review the most relevant environmental sources of spatial variation in human echinococcosis risk,and describe the potential applications of landscape epidemiological studies to characterise the current patterns of parasite transmission across natural and human-altered *** advocate future work promoting the use of this approach as a support tool for decision-making that facilitates the design,implementation and monitoring of spatially targeted interventions to reduce the burden of human echinococcoses in disease-endemic areas.

关键词： Landscape epidemiology Helminth infection Human echinococcosis Echinococcus spp Environmental change Geographic information systems Remote sensing Geostatistics

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Estimating the prevalence of Echinococcus in domestic dogs in highly endemic for echinococcosis

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Infectious Diseases of Poverty 2018年第1期7卷 761-769页

作者： Cong-Nuan Liu Yang-Yang Xu Angela M.Cadavid-Restrepo Zhong-Zi Lou Hong-Bin Yan Li Li Bao-Quan Fu Darren J.Gray Archie A.Clements Tamsin S.barnes Gail M.williams wan-Zhong Jia donald P.McManus Yu-Rong Yang State Key Laboratory of Veterinary Etiological Biology/Key Laboratory of Veterinary Parasitology of Gansu Province/Key Laboratory of Zoonoses of Agriculture Ministry/Lanzhou Veterinary Research Institute CAASLanzhou 730046People’s Republic of China The Human Pathology and Immunology Department Ningxia Medical UniversityYinchuanNingxia Hui Autonomous RegionPeople’s Republic of China Neurosurgery Department Tianjin Xiqing HospitalTianjinPeople’s Republic of China Molecular Parasitology Laboratory QIMR Berghofer Medical Research InstituteBrisbaneAustralia Research School of Population Health Australian National UniversityCanberraAustralia School of Population Health Infectious Disease Epidemiology UnitUniversity of QueenslandBrisbaneAustralia Queensland Alliance for Agriculture and Food Innovation University of QueenslandGattonAustralia

Background:Cystic echinococcosis(CE)and alveolar echinococcosis(AE)are highly endemic in Xiji County of Ningxia Hui Autonomous Region(NHAR)in China where the control campaign based on dog de-worming with praziquantel has been undertaken over preceding *** study is to determine the current prevalence of Echinococcus granulosus and *** in domestic dogs and monitor the echinococcosis transmission ***:Study villages were selected using landscape patterns(Geographic Information System,GIS)for Echinococcus transmission“hot spots”,combined with hospital records identifying risk areas for AE and CE.A survey of 750 domestic dogs,including copro-sampling and owner questionnaires,from 25 selected villages,was undertaken in 2012.A copro-multiplex PCR assay was used for the specific diagnosis of *** and *** in the *** analysis,using IBM SPSS Statistics,was undertaken,to compare the prevalence of the two Echinococcus *** dogs between four geographical areas of Xiji by theχ^(2)*** analysis of the combinations of outcomes from the questionnaire and copro-PCR assay data was carried out to determine the significant risk factors for dog ***:The highest de-worming rate of 84.0%was found in the northwest area of Xiji County,and significant differences(Pworming rates among dogs from the four geographical areas of Xiji were *** highest prevalence(19.7%,59/300)of *** occurred in northwest Xiji,though the highest prevalence(18.1%,38/210)of *** occurred in southwest *** was no significant difference(P>0.05)in the prevalence of *** in dogs from the northwest,southwest,northeast,and southeast of Xiji,but there were significant differences(Pween dogs infected with *** from the four *** of the other independent variables was statistically ***:The results from this study indicate a high prevalenc

关键词： Domestic dog surveys Dog-copro-multiplex PCR assay Co-endemicity of Echinococcus granulosus and E.multilocularis Xiji County Ningxia hui autonomous region(NHAR) P.R.China

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Prevalence of Echinococcus granulosus and *** in domestic dogs in a Chinese community highly endemic for echinococcosis

Prevalence of Echinococcus granulosus and *** in domestic do...

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第五届全国人畜共患病学术研讨会

作者： Cong-Nuan Liu Yang-Yang Xu Angela M.Cadavid-Restrepo Zhong-Zi Lou Hong-Bin Yan Li Li Bao-Quan Fu Darren J.Gray Archie A.Clements Tamsin S.barnes Gail M.williams wan-Zhong Jia donald P.McManus Yu-Rong Yang State Key Laboratory of Veterinary Etiological Biology/Key Laboratory of Veterinary Parasitology of Gansu Province/Key Laboratory of Zoonoses of Agriculture Ministry/Lanzhou Veterinary Research Institute CAAS Neurosurgery Department Tianjin Xiqing Hospital Ningxia Medical Universities Molecular Parasitology Laboratory QIMR Berghofer Medical Research Institute Research School of Population Health Australian National University School of Population Health Infectious Disease Epidemiology UnitUniversity of Queensland Queensland Alliance for Agriculture and Food Innovation University of Queensland

Background:To undertake a survey to determine the infection prevalence of Echinococcus granulosus and *** in domestic dogs and to monitor the transmission dynamics of echinococcosis in Xiji County,Ningxia Hui Autonomous Region(NHAR),***,an area co-endemic for both human alveolar and cystic echinococcosis(AE and CE)where a control campaign,based on dog de-worming with praziquantel(PZQ),has been in operation over the past

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