文獻(xiàn)檢索全文數(shù)據(jù)庫(kù)之.ppt
文獻(xiàn)檢索全文數(shù)據(jù)庫(kù)之ScienceDirect,1、ScienceDirect資源介紹2、ScienceDirect的檢索3、使用ScienceDirect的注意事項(xiàng),1、ElsevierScienceScienceDirect資源介紹,公司簡(jiǎn)介數(shù)據(jù)庫(kù)內(nèi)容:全文期刊1800種,論文篇6,849,533(6,397,006篇)學(xué)科分布收錄年限1995至今服務(wù)功能定題服務(wù)個(gè)人參考資料夾學(xué)科前沿專題,學(xué)科分布,AgriculturalandBiologicalSciences(133種)ChemistryandChemicalEngineering(220種)ClinicalMedicine(271種)ComputerScience(124種)EarthandPlanetaryScience(118種)Engineering,EnergyandTechnology(280種)EnvironmentalScienceandTechnology(127種)LifeScience(437種)MaterialsScience(135種)Mathematics(50種)PhysicsandAstronomy(165種)SocialSciences(291種)以上統(tǒng)計(jì)數(shù)字不含美國(guó)學(xué)術(shù)出版社(AcademicPress)300種期刊,2、Sciencedirect使用,2.1檢索入口,2.2可檢索字段,Abstract,Title,KeywordsAbstract,Title,Keywords(law)AuthorsJournalName/BookTitleTitleContainstheEnglishornon-Englishdocumenttitle.KeywordsAbstractReferencesISSNAffiliationFullText,2.3檢索技巧,邏輯算符AndorNot位置算符/nnPRE/nnNOTW/nnW/SEGNOTW/SEG截詞符!*保留字與引號(hào)Mostarticles(the,an,etc.)Personalpronouns(he,she,we,they,etc.)Mostformsoftheverb,"tobe"(be,is,was,etc.)Someconjunctions(as,because,if,when,etc.)ANDOR不在保留字之內(nèi),AND系統(tǒng)自動(dòng)用空格替換,NOT必須用引號(hào)“NOT”注意:ANDORNOT兩側(cè)使用中文漢字、標(biāo)點(diǎn)符號(hào)系統(tǒng)自動(dòng)忽略,2.4基本檢索界面-basicsearch,2.5高級(jí)檢索界面advancedsearch,ReferenceWorks(參考工程),2.6MyProfile,我的簡(jiǎn)檔(個(gè)性化服務(wù))1、需要注冊(cè),必須具備有效email信箱;2、用注冊(cè)后的用戶名登錄;3、根據(jù)個(gè)人研究方向、興趣、愛好收藏所需資料。,MyProfile.,RegisteringforapersonalloginChooseyourSubjectCornerhomepageFavoriteJournalListSearchAlertsJournalIssueAlertsCitationAlerts,2.7Books(專題電子圖書叢書),AbstractDatabases,2.8Sciencedirect檢索實(shí)例,Forexample:選檢索詞mriORmagneticresonanceimagingkidneydiseaseORrenalfailure例題2:behav!wouldfind"behave,""behaviour,""behavioural"例題3:wom*nwouldfind"woman"andwomentransplant*wouldfind"transplant,""transplanted,"and"transplanter"例題4:Tosearchforthechemicalnotation"H2O,"enter:H2O例題5:TosearchfortheGreekletter"K,"enter:Kappa例題6:Tosearchforthename"Frst,"enter:Furst,返回本小節(jié),Sciencedirect檢索實(shí)例,例題7:“”引號(hào)的作用,檢索室中涉及的某些禁用詞(not)必須要用引號(hào)括上。如“notcontested”,鍵入"not"contested例題8:字段檢索title(polymer)wouldfindallthearticleswhichcontained“polymer"intheirtitle.,查"湘潭中發(fā)表的有關(guān)"laser"的文章,請(qǐng)寫出一個(gè)高級(jí)檢索式或者寫出詳細(xì)檢索步驟大學(xué)任某某"在science_direct數(shù)據(jù)庫(kù);(10分),答案一級(jí)檢索式:TITLE-ABSTR-KEY(laser!)andAUTHORS(ren)andaffiliation(xiangtan)答案二詳細(xì)步驟:選擇基本檢索界面,選TITLE-ABSTR-KEY途徑,檢索值為laser;選AUTHORS途徑,檢索值為ren;在二次檢索時(shí)輸入限定詞Xiangtan。,3、Sciencedirect注意事項(xiàng),注意:1、SEARCH菜單出現(xiàn)判斷是否成員用戶登錄。2、AdobeAcrobat6在閱讀某些elsevier早期pdf文檔時(shí)可能出現(xiàn)不能閱讀現(xiàn)象,建議大家繼續(xù)使用AdobeAcrobat5版本。,如果現(xiàn)在還沒明白,