CINXE.COM

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-disabled vector-feature-custom-font-size-clientpref--excluded vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-disabled skin-theme-clientpref-day vector-toc-not-available" lang="cy" dir="ltr"> <head> <meta charset="UTF-8"> <title>Canlyniadau chwilio am "Dolen chwilio ISSN" - Wicipedia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-disabled vector-feature-custom-font-size-clientpref--excluded vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-disabled skin-theme-clientpref-day vector-toc-not-available";var cookie=document.cookie.match(/(?:^|; )cywikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""], "wgDefaultDateFormat":"dmy","wgMonthNames":["","Ionawr","Chwefror","Mawrth","Ebrill","Mai","Mehefin","Gorffennaf","Awst","Medi","Hydref","Tachwedd","Rhagfyr"],"wgRequestId":"c89a2f29-ac28-4e80-8db4-5b50a7bce185","wgCanonicalNamespace":"Special","wgCanonicalSpecialPageName":"Search","wgNamespaceNumber":-1,"wgPageName":"Arbennig:Search","wgTitle":"Search","wgCurRevisionId":0,"wgRevisionId":0,"wgArticleId":0,"wgIsArticle":false,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":[],"wgPageViewLanguage":"cy","wgPageContentLanguage":"cy","wgPageContentModel":"wikitext","wgRelevantPageName":"Arbennig:Search","wgRelevantArticleId":0,"wgIsProbablyEditable":false,"wgRelevantPageIsProbablyEditable":false,"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":true,"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"cy","pageLanguageDir":"ltr","pageVariantFallbacks":"cy"}, "wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":true,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":0,"advancedSearch.mimeTypes":{"tiff":"image/tiff","png":"image/png","gif":"image/gif","jpg":"image/jpeg","webp":"image/webp","xcf":"image/x-xcf","pdf":"application/pdf","mid":"audio/midi","ogg":"application/ogg","svg":"image/svg+xml","djvu":"image/vnd.djvu","flac":"audio/x-flac","wav":"audio/x-wav","webm":"video/webm","mp3":"audio/mpeg","mpg":"video/mpeg"},"advancedSearch.tooltips":{"advancedsearch-help-plain": "\u003Cdl\u003E\u003Cdt\u003EDisgrifiad\u003C/dt\u003E\n\u003Cdd\u003EChwilio am y geiriau hyn yn y teitl neu'r erthygl.\u003C/dd\u003E\n\u003Cdt\u003EByddwch yn ymwybodol o'r canlynol\u003C/dt\u003E\n\u003Cdd\u003E\n\u003Cul\u003E\u003Cli\u003EGellir chwilio am fwy nag un gair yma.\u003C/li\u003E\n\u003Cli\u003EAnwybyddir atalnodi a nodau eraill nad ydynt yn alffaniwmerig (ar wahân i'r colon a'r coma).\u003C/li\u003E\n\u003Cli\u003EMae'n bosib bydd canlyniadau nad ydynt yn cynnwys un neu fwy o'ch termau chwilio yn ymddangos.\u003C/li\u003E\n\u003Cli\u003EYstyrir bôn geiriau. Enghraifft: Os rhoddir \u003Ci\u003Ebaner\u003C/i\u003E, ystyrir \u003Ci\u003Ebaneri\u003C/i\u003E hefyd. Mae'r bôn geiriau yn dibynnu ar ieithoedd penodol.\u003C/li\u003E\u003C/ul\u003E\u003C/dd\u003E\u003C/dl\u003E\n\u003Cdl\u003E\u003Cdt\u003ETudalen gymorth\u003C/dt\u003E\n\u003Cdd\u003E\u003Ca class=\"external text\" href=\"https://www.mediawiki.org/wiki/Special:MyLanguage/Help:CirrusSearch#Full_text_search\"\u003EChwiliad testun llawn\u003C/a\u003E\u003C/dd\u003E\n\u003Cdt\u003ECystrawen yn y blwch chwilio arferol\u003C/dt\u003E\n\u003Cdd\u003E\u003Ccode\u003Etrafferth mewn tafarn\u003C/code\u003E\u003C/dd\u003E\u003C/dl\u003E" ,"advancedsearch-help-phrase": "\u003Cdl\u003E\u003Cdt\u003EDisgrifiad\u003C/dt\u003E\n\u003Cdd\u003EChwilio am ddilyniant penodol o nodau. Anwybyddir atalnodi.\u003C/dd\u003E\n\u003Cdt\u003EByddwch yn ymwybodol o'r canlynol\u003C/dt\u003E\n\u003Cdd\u003E(dim ond yn ddilys wrth ddefnyddio dyfynodau, gweler yr enghraifft isod)\n\u003Cul\u003E\u003Cli\u003EGwahanwch y termau chwilio gyda choma neu fwlch e.e. \u003Ccode\u003E\"bore da\"\u003C/code\u003E, \u003Ccode\u003Ehelo bawb!\u003C/code\u003E.\u003C/li\u003E\n\u003Cli\u003EAnwybyddir atalnodi a nodau eraill nad ydynt yn alffaniwmerig (ar wahân i'r colon a'r coma).\u003C/li\u003E\n\u003Cli\u003ENi ystyrir maint llythrennau.\u003C/li\u003E\n\u003Cli\u003ENi ystyrir bôn geiriau.\u003C/li\u003E\u003C/ul\u003E\u003C/dd\u003E\u003C/dl\u003E\n\u003Cdl\u003E\u003Cdt\u003ETudalen gymorth\u003C/dt\u003E\n\u003Cdd\u003E\u003Ca class=\"external text\" href=\"https://www.mediawiki.org/wiki/Special:MyLanguage/Help:CirrusSearch#Words.2C_phrases.2C_and_modifiers\"\u003EGeiriau, ymadroddion, ac addaswyr\u003C/a\u003E\u003C/dd\u003E\n\u003Cdt\u003ECystrawen yn y blwch chwilio arferol\u003C/dt\u003E\n\u003Cdd\u003EGeiriau mewn dyfynodau, fel \u003Ccode\u003E\"Gorau chwarae cyd chwarae\"\u003C/code\u003E.\u003C/dd\u003E\u003C/dl\u003E" ,"advancedsearch-help-or":"\u003Cdl\u003E\u003Cdt\u003EDisgrifiad\u003C/dt\u003E\n\u003Cdd\u003ERhaid cael o leiaf un o'r termau chwilio yn y dudalen.\u003C/dd\u003E\n\u003Cdt\u003ETudalen gymorth\u003C/dt\u003E\n\u003Cdd\u003E\u003Ca class=\"external text\" href=\"https://www.mediawiki.org/wiki/Special:MyLanguage/Help:CirrusSearch#Words.2C_phrases.2C_and_modifiers\"\u003EGeiriau, ymadroddion, ac addaswyr\u003C/a\u003E\u003C/dd\u003E\n\u003Cdt\u003ECystrawen yn y blwch chwilio arferol\u003C/dt\u003E\n\u003Cdd\u003EGeiriau gydag \u003Ccode\u003EOR\u003C/code\u003E rhyngddynt, fel \u003Ccode\u003EGliniadur OR Cyfrifiadur\u003C/code\u003E.\u003C/dd\u003E\u003C/dl\u003E","advancedsearch-help-not": "\u003Cdl\u003E\u003Cdt\u003EDisgrifiad\u003C/dt\u003E\n\u003Cdd\u003ENid yw'n cynnwys tudalennau gyda'r geiriau hyn.\u003C/dd\u003E\n\u003Cdt\u003EByddwch yn ymwybodol o'r canlynol\u003C/dt\u003E\n\u003Cdd\u003E\n\u003Cul\u003E\u003Cli\u003EYstyrir bôn geiriau. Enghraifft: Os rhoddir \"car\" i mewn, bydd y chwiliad hefyd yn ystyried \"carreg\". Mae bôn geiriau yn berthnasol yn ôl yr iaith.\u003C/li\u003E\u003C/ul\u003E\u003C/dd\u003E\u003C/dl\u003E\n\u003Cdl\u003E\u003Cdt\u003ETudalen gymorth\u003C/dt\u003E\n\u003Cdd\u003E\u003Ca class=\"external text\" href=\"https://www.mediawiki.org/wiki/Special:MyLanguage/Help:CirrusSearch#Words.2C_phrases.2C_and_modifiers\"\u003EGeiriau, ymadroddion, ac addaswyr\u003C/a\u003E\u003C/dd\u003E\n\u003Cdt\u003ECystrawen yn y blwch chwilio arferol\u003C/dt\u003E\n\u003Cdd\u003EGeiriau gyda \u003Ccode\u003E-\u003C/code\u003E o'u blaen, fel \u003Ccode\u003E-eliffant\u003C/code\u003E.\u003C/dd\u003E\u003C/dl\u003E","advancedsearch-help-deepcategory": "\u003Cdl\u003E\u003Cdt\u003EDescription\u003C/dt\u003E\n\u003Cdd\u003ESearches for pages that are in these categories and subcategories.\u003C/dd\u003E\n\u003Cdt\u003EBe aware of the following\u003C/dt\u003E\n\u003Cdd\u003E\n\u003Cul\u003E\u003Cli\u003EOnly the first 5 subcategory levels will be included in your search.\u003C/li\u003E\n\u003Cli\u003EThe number of categories is limited to 256.\u003C/li\u003E\n\u003Cli\u003EYou can look for pages in multiple categories.\u003C/li\u003E\u003C/ul\u003E\u003C/dd\u003E\u003C/dl\u003E\n\u003Cdl\u003E\u003Cdt\u003EHelp page\u003C/dt\u003E\n\u003Cdd\u003E\u003Ca class=\"external text\" href=\"https://www.mediawiki.org/wiki/Special:MyLanguage/Help:CirrusSearch#Deepcategory\"\u003EDeepcategory\u003C/a\u003E\u003C/dd\u003E\n\u003Cdt\u003ESyntax-equivalent in the normal search\u003C/dt\u003E\n\u003Cdd\u003E\u003Ccode\u003Edeepcategory:\u003C/code\u003E followed by a category name like \u003Ccode\u003Edeepcategory:Help\u003C/code\u003E. Use double quotes if the name contains spaces: \u003Ccode\u003Edeepcategory:\"Hidden categories\"\u003C/code\u003E.\u003C/dd\u003E\u003C/dl\u003E" ,"advancedsearch-help-hastemplate": "\u003Cdl\u003E\u003Cdt\u003EDescription\u003C/dt\u003E\n\u003Cdd\u003ESearches for pages that contain exactly these templates.\u003C/dd\u003E\n\u003Cdt\u003EBe aware of the following\u003C/dt\u003E\n\u003Cdd\u003E\n\u003Cul\u003E\u003Cli\u003EYou can find transcluded templates (templates consisting of other templates).\u003C/li\u003E\n\u003Cli\u003EThe autosuggest function can only find templates which start the same way as your search e.g. a search for \u003Ccode\u003E\"com...\"\u003C/code\u003E will suggest \u003Ci\u003E\"commons\"\u003C/i\u003E but not \u003Ci\u003E\"nowcommons\"\u003C/i\u003E.\u003C/li\u003E\u003C/ul\u003E\u003C/dd\u003E\u003C/dl\u003E\n\u003Cdl\u003E\u003Cdt\u003EHelp page\u003C/dt\u003E\n\u003Cdd\u003E\u003Ca class=\"external text\" href=\"https://www.mediawiki.org/wiki/Special:MyLanguage/Help:CirrusSearch#Hastemplate\"\u003EHastemplate\u003C/a\u003E\u003C/dd\u003E\n\u003Cdt\u003ESyntax-equivalent in the normal search\u003C/dt\u003E\n\u003Cdd\u003EWords in quotation marks with \u003Ccode\u003Ehastemplate:\u003C/code\u003E before them like \u003Ccode\u003Ehastemplate:\"missing information\"\u003C/code\u003E.\u003C/dd\u003E\u003C/dl\u003E" ,"advancedsearch-help-inlanguage": "\u003Cdl\u003E\u003Cdt\u003EDescription\u003C/dt\u003E\n\u003Cdd\u003E\u003C/dd\u003E\u003C/dl\u003E\n\u003Cp\u003EWill only search in the language you choose.\n\u003C/p\u003E\n\u003Cdl\u003E\u003Cdt\u003EBe aware of the following\u003C/dt\u003E\n\u003Cdd\u003E\n\u003Cul\u003E\u003Cli\u003EYou can only search for pages in one language.\u003C/li\u003E\n\u003Cli\u003EThis field will only be visible in wikis that have the translatewiki extension enabled.\u003C/li\u003E\u003C/ul\u003E\u003C/dd\u003E\u003C/dl\u003E\n\u003Cdl\u003E\u003Cdt\u003EHelp page\u003C/dt\u003E\n\u003Cdd\u003E\u003Ca class=\"external text\" href=\"https://www.mediawiki.org/wiki/Special:MyLanguage/Help:CirrusSearch#Inlanguage\"\u003EInlanguage\u003C/a\u003E\u003C/dd\u003E\n\u003Cdt\u003ESyntax-equivalent in the normal search\u003C/dt\u003E\n\u003Cdd\u003E\u003Ccode\u003Einlanguage:\u003C/code\u003E followed by a language code like \u003Ccode\u003Einlanguage:es\u003C/code\u003E. You can exclude languages by adding a \u003Ccode\u003E-\u003C/code\u003E in front of the keyword e.g. \u003Ccode\u003E-inlanguage:en\u003C/code\u003E.\u003C/dd\u003E\u003C/dl\u003E" ,"advancedsearch-help-intitle": "\u003Cdl\u003E\u003Cdt\u003EDescription\u003C/dt\u003E\n\u003Cdd\u003ESearches for pages with titles that contain this word\u003C/dd\u003E\n\u003Cdt\u003EBe aware of the following\u003C/dt\u003E\n\u003Cdd\u003E\n\u003Cul\u003E\u003Cli\u003EThe search includes redirects.\u003C/li\u003E\n\u003Cli\u003EWord stemming is applied. Example: If \u003Ci\u003Ecar\u003C/i\u003E is entered, the search will also consider \u003Ci\u003Ecars\u003C/i\u003E. The word stemming is language-specific.\u003C/li\u003E\u003C/ul\u003E\u003C/dd\u003E\u003C/dl\u003E\n\u003Cdl\u003E\u003Cdt\u003EHelp page\u003C/dt\u003E\n\u003Cdd\u003E\u003Ca class=\"external text\" href=\"https://www.mediawiki.org/wiki/Special:MyLanguage/Help:CirrusSearch#Intitle_and_incategory\"\u003EIntitle and incategory\u003C/a\u003E\u003C/dd\u003E\n\u003Cdt\u003ESyntax-equivalent in the normal search\u003C/dt\u003E\n\u003Cdd\u003EWords with \u003Ccode\u003Eintitle:\u003C/code\u003E before them like \u003Ccode\u003Eintitle:queen\u003C/code\u003E.\u003C/dd\u003E\u003C/dl\u003E" ,"advancedsearch-help-subpageof": "\u003Cdl\u003E\u003Cdt\u003EDescription\u003C/dt\u003E\n\u003Cdd\u003ESearches for pages that are subpages of this page.\u003C/dd\u003E\n\u003Cdt\u003EBe aware of the following\u003C/dt\u003E\n\u003Cdd\u003E\n\u003Cul\u003E\u003Cli\u003EYou can only search for subpages of one page at a time.\u003C/li\u003E\n\u003Cli\u003EDon’t forget to enable the namespaces you want to limit your search to in the namespace filter.\u003C/li\u003E\n\u003Cli\u003EDo not include the namespace in front of the page name like this: \u003Cdel\u003E\u003Ccode\u003EWicipedia:Redirect\u003C/code\u003E\u003C/del\u003E.\u003C/li\u003E\u003C/ul\u003E\u003C/dd\u003E\u003C/dl\u003E\n\u003Cdl\u003E\u003Cdt\u003EHelp page\u003C/dt\u003E\n\u003Cdd\u003E\u003Ca class=\"external text\" href=\"https://www.mediawiki.org/wiki/Special:MyLanguage/Help:CirrusSearch#subpageof\"\u003ESubpageof\u003C/a\u003E\u003C/dd\u003E\n\u003Cdt\u003ESyntax-equivalent in the normal search\u003C/dt\u003E\n\u003Cdd\u003E\u003Ccode\u003Esubpageof:\u003C/code\u003E followed by a page name like \u003Ccode\u003Esubpageof:Redirect\u003C/code\u003E. Use double quotes if the parent page contains spaces: \u003Ccode\u003Esubpageof:\"Requests for comment\"\u003C/code\u003E.\u003C/dd\u003E\u003C/dl\u003E" ,"advancedsearch-help-filetype": "\u003Cdl\u003E\u003Cdt\u003EDescription\u003C/dt\u003E\n\u003Cdd\u003ESearches only for files of the selected type.\u003C/dd\u003E\n\u003Cdt\u003EBe aware of the following\u003C/dt\u003E\n\u003Cdd\u003E\n\u003Cul\u003E\u003Cli\u003EYou can only search for one file type.\u003C/li\u003E\n\u003Cli\u003EYou can only select the given file types from the drop-down menu.\u003C/li\u003E\u003C/ul\u003E\u003C/dd\u003E\u003C/dl\u003E\n\u003Cdl\u003E\u003Cdt\u003EHelp pages\u003C/dt\u003E\n\u003Cdd\u003E\u003Ca class=\"external text\" href=\"https://www.mediawiki.org/wiki/Special:MyLanguage/Help:CirrusSearch#filetype\"\u003EFiletype\u003C/a\u003E and \u003Ca class=\"external text\" href=\"https://www.mediawiki.org/wiki/Special:MyLanguage/Help:CirrusSearch#filemime\"\u003Efilemime\u003C/a\u003E\u003C/dd\u003E\n\u003Cdt\u003ESyntax-equivalent in the normal search\u003C/dt\u003E\n\u003Cdd\u003EWords with \u003Ccode\u003Efiletype:\u003C/code\u003E before them like \u003Ccode\u003Efiletype:ogg\u003C/code\u003E.\u003C/dd\u003E\u003C/dl\u003E" ,"advancedsearch-help-filew":"\u003Cdl\u003E\u003Cdt\u003EDisgrifiad\u003C/dt\u003E\n\u003Cdd\u003EMae'r meysydd hyn yn eich galluogi i nodi lled y ffeil.\u003C/dd\u003E\n\u003Cdt\u003EByddwch yn ymwybodol o'r canlynol\u003C/dt\u003E\n\u003Cdd\u003E\n\u003Cul\u003E\u003Cli\u003EDefnyddir hwn ar gyfer ffeiliau sydd â lled ac uchder, fel fideos a delweddau.\u003C/li\u003E\u003C/ul\u003E\u003C/dd\u003E\u003C/dl\u003E\n\u003Cdl\u003E\u003Cdt\u003ETudalen gymorth\u003C/dt\u003E\n\u003Cdd\u003E\u003Ca class=\"external text\" href=\"https://www.mediawiki.org/wiki/Special:MyLanguage/Help:CirrusSearch#File_measures\"\u003EMaint ffeiliau\u003C/a\u003E\u003C/dd\u003E\n\u003Cdt\u003ECystrawen yn y blwch chwilio arferol\u003C/dt\u003E\n\u003Cdd\u003ENiferoedd gyda \u003Ccode\u003Efilew\u003C/code\u003E o'u blaen, fel \u003Ccode\u003Efilew:\u0026gt;800\u003C/code\u003E.\u003C/dd\u003E\u003C/dl\u003E","advancedsearch-help-fileh": "\u003Cdl\u003E\u003Cdt\u003EDisgrifiad\u003C/dt\u003E\n\u003Cdd\u003EMae'r meysydd hyn yn eich galluogi i nodi uchder y ffeil.\u003C/dd\u003E\n\u003Cdt\u003EByddwch yn ymwybodol o'r canlynol\u003C/dt\u003E\n\u003Cdd\u003E\n\u003Cul\u003E\u003Cli\u003EDefnyddir hwn ar gyfer ffeiliau sydd â lled ac uchder, fel fideos a delweddau.\u003C/li\u003E\u003C/ul\u003E\u003C/dd\u003E\u003C/dl\u003E\n\u003Cdl\u003E\u003Cdt\u003ETudalen gymorth\u003C/dt\u003E\n\u003Cdd\u003E\u003Ca class=\"external text\" href=\"https://www.mediawiki.org/wiki/Special:MyLanguage/Help:CirrusSearch#File_measures\"\u003EMaint ffeiliau\u003C/a\u003E\u003C/dd\u003E\n\u003Cdt\u003ECystrawen yn y blwch chwilio arferol\u003C/dt\u003E\n\u003Cdd\u003ENiferoedd gyda \u003Ccode\u003Efileh\u003C/code\u003E o'u blaen, fel \u003Ccode\u003Efileh:\u0026gt;600\u003C/code\u003E.\u003C/dd\u003E\u003C/dl\u003E","advancedsearch-help-sort": "\u003Cdl\u003E\u003Cdt\u003EDisgrifiad\u003C/dt\u003E\n\u003Cdd\u003ENewid trefn canlyniadau. Trefnir y tudalennau mwyaf perthnasol ar frig y canlyniadau fel rhagosodedig.\u003C/dd\u003E\n\u003Cdt\u003ETudalen gymorth\u003C/dt\u003E\n\u003Cdd\u003E\u003Ca class=\"external text\" href=\"https://www.mediawiki.org/wiki/Special:MyLanguage/Help:CirrusSearch#Explicit_sort_orders\"\u003ETrefniadau manwl\u003C/a\u003E\u003C/dd\u003E\n\u003Cdt\u003ECystrawen yn y blwch chwilio arferol\u003C/dt\u003E\n\u003Cdd\u003ENid oes allweddair ar gyfer y blwch chwilio gan fod y ffwythiant wedi ei nodi trwy baramedr yn yr URL.\u003C/dd\u003E\u003C/dl\u003E"},"advancedSearch.namespacePresets":{"defaultNamespaces":{"enabled":true,"provider":"defaultNamespaces","label":"advancedsearch-namespaces-preset-default"},"discussion":{"enabled":true,"provider":"discussion","label":"advancedsearch-namespaces-preset-discussion"},"generalHelp":{"enabled":true,"namespaces":["4","12"],"label": "advancedsearch-namespaces-preset-general-help"},"all":{"enabled":true,"provider":"all","label":"advancedsearch-namespaces-preset-all"}},"advancedSearch.deepcategoryEnabled":true,"advancedSearch.searchableNamespaces":{"0":"(Prif)","1":"Sgwrs","2":"Defnyddiwr","3":"Sgwrs_Defnyddiwr","4":"Wicipedia","5":"Sgwrs_Wicipedia","6":"Delwedd","7":"Sgwrs_Delwedd","8":"MediaWici","9":"Sgwrs_MediaWici","10":"Nodyn","11":"Sgwrs_Nodyn","12":"Cymorth","13":"Sgwrs_Cymorth","14":"Categori","15":"Sgwrs_Categori","100":"Porth","101":"Sgwrs_Porth","710":"TimedText","711":"TimedText_talk","828":"Modiwl","829":"Sgwrs_modiwl"},"searchTerm":"Dolen chwilio ISSN","wgRelatedArticlesCompat":[],"wgCirrusSearchRequestSetToken":"nab7v3u4glubikd0aqcc9hyz","wgIsSearchResultPage":true,"wgCirrusTookMs":91,"wgCirrusElasticTime":88,"wgCirrusSearchFallback":{"mainResults":{"name":"__main__","action":null},"querySuggestion":{"name":"phrase-default","action":"suggestQuery"}},"wgCentralAuthMobileDomain":false, "wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":true,"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false};RLSTATE={"ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.advancedSearch.searchtoken":"loading","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.advancedSearch.initialstyles":"ready","mediawiki.helplink":"ready","mediawiki.special":"ready","mediawiki.special.search.styles":"ready","mediawiki.widgets.SearchInputWidget.styles":"ready","oojs-ui-core.styles":"ready","oojs-ui.styles.indicators":"ready","mediawiki.widgets.styles":"ready","oojs-ui-core.icons":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready", "ext.tmh.player.styles":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["ext.advancedSearch.init","mediawiki.special.search","ext.cirrus.serp","site","mediawiki.page.ready","skins.vector.js","ext.centralNotice.geoIP","ext.tmh.player","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["ext.advancedSearch.searchtoken@1vhat",function($,jQuery,require,module){/*@nomin*/mw.user.tokens.set("searchnamespaceToken","+\\"); }];}); mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=cy&modules=ext.advancedSearch.initialstyles%7Cext.tmh.player.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cmediawiki.helplink%2Cspecial%7Cmediawiki.special.search.styles%7Cmediawiki.widgets.SearchInputWidget.styles%7Cmediawiki.widgets.styles%7Coojs-ui-core.icons%2Cstyles%7Coojs-ui.styles.indicators%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=cy&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=cy&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.4"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="noindex,nofollow,max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="Canlyniadau chwilio am "Dolen chwilio ISSN" - Wicipedia"> <meta property="og:type" content="website"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//cy.m.wikipedia.org/wiki/Arbennig:Search"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wicipedia (cy)"> <link rel="EditURI" type="application/rsd+xml" href="//cy.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://cy.wikipedia.org/w/index.php?ns0=1&search=Dolen+chwilio+ISSN&title=Arbennig:Search"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.cy"> <link rel="alternate" type="application/atom+xml" title="Ffrwd Atom Wicipedia" href="/w/index.php?title=Arbennig:RecentChanges&feed=atom"> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns--1 ns-special mw-special-Search page-Arbennig_Search rootpage-Arbennig_Search skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Neidio i'r cynnwys</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Safle"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Prif ddewislen" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Prif ddewislen</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Prif ddewislen</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">cuddio</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Panel llywio </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage" class="mw-list-item"><a href="/wiki/Hafan" title="Ymweld â'r Hafan [z]" accesskey="z"><span>Hafan</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wicipedia:Porth_y_Gymuned" title="Pethau i'w gwneud, adnoddau a thudalennau'r gymuned"><span>Porth y Gymuned</span></a></li><li id="n-cafe" class="mw-list-item"><a href="/wiki/Wicipedia:Y_Caffi"><span>Y Caffi</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/Categori:Materion_cyfoes" title="Gwybodaeth yn gysylltiedig â materion cyfoes"><span>Materion cyfoes</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Arbennig:RecentChanges" title="Rhestr y newidiadau diweddar ar y wici. [r]" accesskey="r"><span>Newidiadau diweddar</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Arbennig:Random" title="Llwytho tudalen ar hap [x]" accesskey="x"><span>Erthygl ar hap</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Wicipedia:Cymorth" title="Tudalennau cymorth"><span>Cymorth</span></a></li> </ul> </div> </div> <div id="p-lang" class="vector-menu mw-portlet mw-portlet-lang" > <div class="vector-menu-heading"> Mewn ieithoedd eraill </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> <div class="after-portlet after-portlet-lang"><span class="uls-after-portlet-link"></span></div> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Hafan" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wicipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-cy.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="" src="/static/images/mobile/copyright/wikipedia-tagline-cy.svg" width="120" height="13" style="width: 7.5em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Arbennig:Search" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Chwilio Wicipedia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Chwilio</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Chwilio Wicipedia" aria-label="Chwilio Wicipedia" autocapitalize="sentences" title="Chwilio Wicipedia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Arbennig:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Chwilio</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Offer personol"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Gwedd"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Newidiwch ymddangosiad maint ffont, lled a lliw y dudalen" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Gwedd" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Gwedd</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_cy.wikipedia.org&uselang=cy" class=""><span>Rhoi</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Arbennig:CreateAccount&returnto=Arbennig%3ASearch&returntoquery=ns0%3D1%26search%3DDolen%2Bchwilio%2BISSN" title="Rydym yn argymell eich bod yn creu cyfri ac yn menwgofnodi. Fodd bynnag, dydy hyn ddim yn orfodol" class=""><span>Creu cyfrif</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Arbennig:UserLogin&returnto=Arbennig%3ASearch&returntoquery=ns0%3D1%26search%3DDolen%2Bchwilio%2BISSN" title="Fe'ch anogir i fewngofnodi, er nad oes rhaid gwneud. [o]" accesskey="o" class=""><span>Mewngofnodi</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Rhagor o opsiynau" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Offer personol" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Offer personol</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Dewislen defnyddiwr" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_cy.wikipedia.org&uselang=cy"><span>Rhoi</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Arbennig:CreateAccount&returnto=Arbennig%3ASearch&returntoquery=ns0%3D1%26search%3DDolen%2Bchwilio%2BISSN" title="Rydym yn argymell eich bod yn creu cyfri ac yn menwgofnodi. Fodd bynnag, dydy hyn ddim yn orfodol"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Creu cyfrif</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Arbennig:UserLogin&returnto=Arbennig%3ASearch&returntoquery=ns0%3D1%26search%3DDolen%2Bchwilio%2BISSN" title="Fe'ch anogir i fewngofnodi, er nad oes rhaid gwneud. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Mewngofnodi</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Tudalennau ar gyfer golygyddion allgofnodedig <a href="/wiki/Cymorth:Cyflwyniad" aria-label="Dysgu mwy am olygu"><span>dysgu mwy</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Arbennig:MyContributions" title="Rhestr golygiadau o'r cyfeiriad IP hwn [y]" accesskey="y"><span>Cyfraniadau</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Arbennig:MyTalk" title="Sgwrs ynglŷn â golygiadau o'r cyfeiriad IP hwn [n]" accesskey="n"><span>Sgwrs</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Safle"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <h1 id="firstHeading" class="firstHeading mw-first-heading">Canlyniadau'r chwiliad</h1> <div class="mw-indicators"> <div id="mw-indicator-mw-helplink" class="mw-indicator"><a href="https://www.mediawiki.org/wiki/Special:MyLanguage/Help:CirrusSearch" target="_blank" class="mw-helplink"><span class="mw-helplink-icon"></span>Cymorth</a></div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Parthau"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Newid amrywiad iaith" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Cymraeg</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Golygon"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Offer tudalen"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Blwch offer" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Blwch offer</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Blwch offer</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">cuddio</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet" title="Rhagor o opsiynau" > <div class="vector-menu-heading"> Gweithredoedd </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Cyffredinol </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-specialpages" class="mw-list-item"><a href="/wiki/Arbennig:SpecialPages" title="Rhestr o'r holl dudalennau arbennig [q]" accesskey="q"><span>Tudalennau arbennig</span></a></li><li id="t-print" class="mw-list-item"><a href="javascript:print();" rel="alternate" title="Cynhyrchwch fersiwn o'r dudalen yn barod at ei hargraffu [p]" accesskey="p"><span>Fersiwn argraffu</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Arbennig:UrlShortener&url=https%3A%2F%2Fcy.wikipedia.org%2Fw%2Findex.php%3Ftitle%3DArbennig%3ASearch%26ns0%3D1%26search%3DDolen%2Bchwilio%2BISSN"><span>Cael URL byr</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Arbennig:QrCode&url=https%3A%2F%2Fcy.wikipedia.org%2Fw%2Findex.php%3Ftitle%3DArbennig%3ASearch%26ns0%3D1%26search%3DDolen%2Bchwilio%2BISSN"><span>Lawrlwytho cod QR</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects emptyPortlet" > <div class="vector-menu-heading"> Mewn prosiectau eraill </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Offer tudalen"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Gwedd"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Gwedd</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">cuddio</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-search-spinner"><div class="mw-search-spinner-bounce"></div></div><div class="mw-search-form-wrapper"><form id="search" method="get" action="/w/index.php"><div id="mw-search-top-table"><div class='oo-ui-layout oo-ui-fieldLayout oo-ui-fieldLayout-align-top oo-ui-actionFieldLayout'><div class='oo-ui-fieldLayout-body'><span class='oo-ui-fieldLayout-header'><label for='ooui-php-1' class='oo-ui-labelElement-label'></label></span><div class='oo-ui-fieldLayout-field'><div class='oo-ui-actionFieldLayout-input'><div id='searchText' class='oo-ui-widget oo-ui-widget-enabled oo-ui-inputWidget oo-ui-iconElement oo-ui-textInputWidget oo-ui-textInputWidget-type-text oo-ui-textInputWidget-php mw-widget-titleInputWidget mw-widget-searchInputWidget' data-ooui='{"_":"mw.widgets.SearchInputWidget","performSearchOnClick":true,"dataLocation":"content","$overlay":true,"highlightFirst":false,"validateTitle":false,"name":"search","value":"Dolen chwilio ISSN","inputId":"ooui-php-1","title":"Chwilio Wicipedia","icon":"search","required":false}'><input type='search' tabindex='0' title='Chwilio Wicipedia' name='search' value='Dolen chwilio ISSN' autocapitalize='sentences' id='ooui-php-1' class='oo-ui-inputWidget-input' /><span class='oo-ui-iconElement-icon oo-ui-icon-search'></span><span class='oo-ui-indicatorElement-indicator oo-ui-indicatorElement-noIndicator'></span></div></div><span class='oo-ui-actionFieldLayout-button'><span class='oo-ui-widget oo-ui-widget-enabled oo-ui-inputWidget oo-ui-buttonElement oo-ui-buttonElement-framed oo-ui-labelElement oo-ui-flaggedElement-progressive oo-ui-flaggedElement-primary oo-ui-buttonInputWidget'><button type='submit' tabindex='0' value='' class='oo-ui-inputWidget-input oo-ui-buttonElement-button'><span class='oo-ui-iconElement-icon oo-ui-iconElement-noIcon oo-ui-image-invert'></span><span class='oo-ui-labelElement-label'>Chwilio</span><span class='oo-ui-indicatorElement-indicator oo-ui-indicatorElement-noIndicator oo-ui-image-invert'></span></button></span></span></div></div></div><div class="results-info" data-mw-num-results-offset="0" data-mw-num-results-total="11">Canlyniadau <strong>1 - 11</strong> o <strong>11</strong></div><input type="hidden" value="Arbennig:Search" name="title"><input type="hidden" value="default" name="profile"><input type="hidden" value="1" name="fulltext"></div><div class="mw-search-visualclear"></div><div class="mw-search-profile-tabs"><div class="search-types"><ul><li class="current"><a href="/w/index.php?title=Arbennig:Search&profile=default&search=Dolen+chwilio+ISSN&fulltext=1" title="Chwilio drwy (Prif)">Tudalennau cynnwys</a></li><li class="normal"><a href="/w/index.php?title=Arbennig:Search&profile=images&search=Dolen+chwilio+ISSN&fulltext=1" title="Chwilio am ffeiliau">Ffeiliau amlgyfrwng</a></li><li class="normal"><a href="/w/index.php?title=Arbennig:Search&profile=all&search=Dolen+chwilio+ISSN&fulltext=1" title="Chwilio'r cynnwys cyfan (gan gynnwys tudalennau sgwrs)">Popeth</a></li><li class="normal"><a href="/w/index.php?title=Arbennig:Search&profile=advanced&search=Dolen+chwilio+ISSN&fulltext=1" title="Chwilio drwy parthau dewisol">Uwch</a></li></ul></div><div style="clear:both"></div></div></form></div><div class="searchdidyoumean">Oeddech chi'n golygu: <a href="/w/index.php?title=Arbennig:Search&search=domen+chwilio+isaf&fulltext=1&profile=default" title="Arbennig:Search" id="mw-search-DYM-suggestion"><em>domen</em> chwilio <em>isaf</em></a></div><div class="searchresults"><div class="mw-search-results-info"><p class="mw-search-createlink"> Crëwch y dudalen "<a href="/w/index.php?title=Dolen_chwilio_ISSN&action=edit&redlink=1" class="new" title="Dolen chwilio ISSN (dim tudalen ar gael)">Dolen chwilio ISSN</a>" ar y wici hwn! Gweler hefyd y canlyniadau chwilio.</p></div><div class="mw-search-visualclear"></div><div class="mw-search-results-container"><ul class='mw-search-results'><li class="mw-search-result mw-search-result-ns-0"><div class="searchResultImage"><div class="searchResultImage-thumbnail"><a href="/wiki/The_New_York_Times" title="The New York Times"><img alt="Bawdlun am The New York Times" src="//upload.wikimedia.org/wikipedia/cy/thumb/7/7c/Tudalen_blaen_11-09-02_The_New_York_Times.jpg/150px-Tudalen_blaen_11-09-02_The_New_York_Times.jpg" decoding="async" loading="lazy" width="150" height="245" data-file-width="367" data-file-height="599" /></a></div><div class="searchResultImage-text"><div class="mw-search-result-heading"><a href="/wiki/The_New_York_Times" title="The New York Times" data-serp-pos="0">The New York Times</a> </div><div class="searchresult">Cylchrediad 1,150,589 yn dyddiol 1,645,152 Dydd Sul (2011) <span class="searchmatch">ISSN</span> Nodyn:<span class="searchmatch">Dolen</span> <span class="searchmatch">chwilio</span> <span class="searchmatch">ISSN</span> Rhif OCLC 1645522 Gwefan swyddogol (Saesneg) www.nytimes.com...</div> <div class='mw-search-result-data'>2 KB () - 10:02, 14 Mawrth 2017</div></div></div></li><li class="mw-search-result mw-search-result-ns-0"><div class="searchResultImage"><div class="searchResultImage-thumbnail"><a href="/wiki/The_Guardian" title="The Guardian"><img alt="Bawdlun am The Guardian" src="//upload.wikimedia.org/wikipedia/cy/thumb/b/b2/Frontpage.jpg/150px-Frontpage.jpg" decoding="async" loading="lazy" width="150" height="232" data-file-width="388" data-file-height="600" /></a></div><div class="searchResultImage-text"><div class="mw-search-result-heading"><a href="/wiki/The_Guardian" title="The Guardian" data-serp-pos="1">The Guardian</a> </div><div class="searchresult">Chwaer-bapurau newyddion The Observer, The Guardian Weekly <span class="searchmatch">ISSN</span> Nodyn:<span class="searchmatch">Dolen</span> <span class="searchmatch">chwilio</span> <span class="searchmatch">ISSN</span> Rhif OCLC 60623878 Gwefan swyddogol (Saesneg) www.guardian.co...</div> <div class='mw-search-result-data'>4 KB () - 16:02, 15 Medi 2022</div></div></div></li><li class="mw-search-result mw-search-result-ns-0"><div class="searchResultImage"><div class="searchResultImage-thumbnail"><div class="searchResultImage-thumbnail-placeholder" aria-hidden="true"><?xml version="1.0" encoding="UTF-8"?><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 20 20"><title> image layout frameless </title><path d="M19 3H1v14h18zM3 14l3.5-4.5 2.5 3L12.5 8l4.5 6z"/><path d="M19 5H1V3h18zm0 12H1v-2h18z"/></svg> </div></div><div class="searchResultImage-text"><div class="mw-search-result-heading"><a href="/wiki/Neue_Z%C3%BCrcher_Zeitung" title="Neue Zürcher Zeitung" data-serp-pos="2">Neue Zürcher Zeitung</a> </div><div class="searchresult">Almaeneg Pencadlys Zürich, Y Swistir Cylchrediad 103,794 (2017) <span class="searchmatch">ISSN</span> Nodyn:<span class="searchmatch">Dolen</span> <span class="searchmatch">chwilio</span> <span class="searchmatch">ISSN</span> Rhif OCLC 698049952 Gwefan swyddogol (Almaeneg) https://www...</div> <div class='mw-search-result-data'>2 KB () - 14:18, 20 Chwefror 2021</div></div></div></li><li class="mw-search-result mw-search-result-ns-0"><div class="searchResultImage"><div class="searchResultImage-thumbnail"><a href="/wiki/Henry_Morton_Stanley" title="Henry Morton Stanley"><img alt="Bawdlun am Henry Morton Stanley" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/df/Henry_Morton_Stanley_1.jpg/150px-Henry_Morton_Stanley_1.jpg" decoding="async" loading="lazy" width="150" height="236" data-file-width="911" data-file-height="1433" /></a></div><div class="searchResultImage-text"><div class="mw-search-result-heading"><a href="/wiki/Henry_Morton_Stanley" title="Henry Morton Stanley" data-serp-pos="3">Henry Morton Stanley</a> <span class='searchalttitle'>(adran <a href="/wiki/Henry_Morton_Stanley#Chwilio_am_David_Livingstone" title="Henry Morton Stanley"><span class="searchmatch">Chwilio</span> am David Livingstone</a>)</span> </div><div class="searchresult">Ionawr 1841 – 10 Mai 1904). Daeth i sylw’r cyhoedd oherwydd ei ymgyrch i <span class="searchmatch">chwilio</span> am y cenhadwr a'r fforiwr David Livingstone, a honnodd yn ddiweddarach...</div> <div class='mw-search-result-data'>16 KB () - 09:42, 23 Hydref 2024</div></div></div></li><li class="mw-search-result mw-search-result-ns-0"><div class="searchResultImage"><div class="searchResultImage-thumbnail"><a href="/wiki/Ymosodiadau_11_Medi_2001" title="Ymosodiadau 11 Medi 2001"><img alt="Bawdlun am Ymosodiadau 11 Medi 2001" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/65/September_11_Photo_Montage.jpg/180px-September_11_Photo_Montage.jpg" decoding="async" loading="lazy" width="180" height="310" data-file-width="1057" data-file-height="1821" /></a></div><div class="searchResultImage-text"><div class="mw-search-result-heading"><a href="/wiki/Ymosodiadau_11_Medi_2001" title="Ymosodiadau 11 Medi 2001" data-serp-pos="4">Ymosodiadau 11 Medi 2001</a> </div><div class="searchresult">UDA yn Dar es Salaam, Tansania ac yn Nairobi, Kenya. Bu’r awdurdodau yn <span class="searchmatch">chwilio</span> am tua 10 mlynedd, nes i Arlywydd America, Barack Obama, gyhoeddi bod bin...</div> <div class='mw-search-result-data'>68 KB () - 11:03, 15 Tachwedd 2024</div></div></div></li><li class="mw-search-result mw-search-result-ns-0"><div class="searchResultImage"><div class="searchResultImage-thumbnail"><a href="/wiki/Ffair_Lyfrau_Frankfurt" title="Ffair Lyfrau Frankfurt"><img alt="Bawdlun am Ffair Lyfrau Frankfurt" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2a/FrankfurterBuchmesse2008.JPG/150px-FrankfurterBuchmesse2008.JPG" decoding="async" loading="lazy" width="150" height="108" data-file-width="783" data-file-height="565" /></a></div><div class="searchResultImage-text"><div class="mw-search-result-heading"><a href="/wiki/Ffair_Lyfrau_Frankfurt" title="Ffair Lyfrau Frankfurt" data-serp-pos="5">Ffair Lyfrau Frankfurt</a> </div><div class="searchresult">fasnachwyr yn profi'r farchnad am lyfrau newydd a chan ysgolheigion a oedd yn <span class="searchmatch">chwilio</span> am ysgoloriaeth newydd. Hyd at ddiwedd yr 17g, Ffair Lyfrau Frankfurt oedd...</div> <div class='mw-search-result-data'>8 KB () - 13:06, 12 Mai 2024</div></div></div></li><li class="mw-search-result mw-search-result-ns-0"><div class="searchResultImage"><div class="searchResultImage-thumbnail"><a href="/wiki/Ci" title="Ci"><img alt="Bawdlun am Ci" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/Welsh_Sheepdog.jpg/120px-Welsh_Sheepdog.jpg" decoding="async" loading="lazy" width="120" height="111" data-file-width="644" data-file-height="596" /></a></div><div class="searchResultImage-text"><div class="mw-search-result-heading"><a href="/wiki/Ci" title="Ci" data-serp-pos="6">Ci</a> </div><div class="searchresult">llygod mawr (ee daeargi). Ceir mathau eraill o gŵn gwaithgan gynnwys cŵn <span class="searchmatch">chwilio</span> ac achub, cŵn canfod (ee cyffuriau mewn meysydd awyr) neu arfau cemegol...</div> <div class='mw-search-result-data'>48 KB () - 11:09, 1 Tachwedd 2024</div></div></div></li><li class="mw-search-result mw-search-result-ns-0"><div class="searchResultImage"><div class="searchResultImage-thumbnail"><div class="searchResultImage-thumbnail-placeholder" aria-hidden="true"><?xml version="1.0" encoding="UTF-8"?><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 20 20"><title> image layout frameless </title><path d="M19 3H1v14h18zM3 14l3.5-4.5 2.5 3L12.5 8l4.5 6z"/><path d="M19 5H1V3h18zm0 12H1v-2h18z"/></svg> </div></div><div class="searchResultImage-text"><div class="mw-search-result-heading"><a href="/wiki/Cyfraith_tlodi" title="Cyfraith tlodi" data-serp-pos="7">Cyfraith tlodi</a> </div><div class="searchresult">y Pla Du a Rhyfel y Rhosynnau. Byddent yn crwydro ac yn symud er mwyn <span class="searchmatch">chwilio</span> am waith, ac erbyn dechrau’r 16g roedd llawer o grwydrwyr proffesiynol...</div> <div class='mw-search-result-data'>31 KB () - 21:59, 2 Tachwedd 2024</div></div></div></li><li class="mw-search-result mw-search-result-ns-0"><div class="searchResultImage"><div class="searchResultImage-thumbnail"><a href="/wiki/Mochyn_(dof)" title="Mochyn (dof)"><img alt="Bawdlun am Mochyn (dof)" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/59/Sow_with_piglet.jpg/150px-Sow_with_piglet.jpg" decoding="async" loading="lazy" width="150" height="93" data-file-width="2700" data-file-height="1674" /></a></div><div class="searchResultImage-text"><div class="mw-search-result-heading"><a href="/wiki/Mochyn_(dof)" title="Mochyn (dof)" data-serp-pos="8">Mochyn (dof)</a> </div><div class="searchresult">ymddangos yn y canol rhwng artiodactylau eraill a chigysyddion. Mae moch yn <span class="searchmatch">chwilio</span> am gwmni moch eraill mewn un haid, er nad ydynt yn ffurfio heidiau mawr...</div> <div class='mw-search-result-data'>36 KB () - 10:21, 28 Tachwedd 2023</div></div></div></li><li class="mw-search-result mw-search-result-ns-0"><div class="searchResultImage"><div class="searchResultImage-thumbnail"><a href="/wiki/Symffoni_rhif_3_(G%C3%B3recki)" title="Symffoni rhif 3 (Górecki)"><img alt="Bawdlun am Symffoni rhif 3 (Górecki)" src="//upload.wikimedia.org/wikipedia/cy/thumb/8/86/Symphony_of_Sorrowful_Songs.jpg/90px-Symphony_of_Sorrowful_Songs.jpg" decoding="async" loading="lazy" width="90" height="90" data-file-width="170" data-file-height="170" /></a></div><div class="searchResultImage-text"><div class="mw-search-result-heading"><a href="/wiki/Symffoni_rhif_3_(G%C3%B3recki)" title="Symffoni rhif 3 (Górecki)" data-serp-pos="9">Symffoni rhif 3 (Górecki)</a> </div><div class="searchresult">o'r Ail Ryfel Byd yw'r ail, a chân werin o Silesia yw'r olaf am fam sy'n <span class="searchmatch">chwilio</span> am ei mab a laddwyd yng ngwrthryfeloedd Silesia. Daw'r symudiad cyntaf...</div> <div class='mw-search-result-data'>29 KB () - 00:26, 28 Mai 2024</div></div></div></li><li class="mw-search-result mw-search-result-ns-0"><div class="searchResultImage"><div class="searchResultImage-thumbnail"><a href="/wiki/Roger_Penrose" title="Roger Penrose"><img alt="Bawdlun am Roger Penrose" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b3/Roger_Penrose-6Nov2005.jpg/150px-Roger_Penrose-6Nov2005.jpg" decoding="async" loading="lazy" width="150" height="100" data-file-width="1024" data-file-height="683" /></a></div><div class="searchResultImage-text"><div class="mw-search-result-heading"><a href="/wiki/Roger_Penrose" title="Roger Penrose" data-serp-pos="10">Roger Penrose</a> </div><div class="searchresult">ddealladwy gan ffiseg gyfredol. Mynnodd y “gall rhywun fynd rhy bell wrth <span class="searchmatch">chwilio</span> [am esboniad gwyddonol] trwy ddyfeisio egwyddorion sylfaenol newydd yn...</div> <div class='mw-search-result-data'>60 KB () - 13:33, 12 Hydref 2024</div></div></div></li></ul></div><div class="mw-search-visualclear"></div></div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Wedi dod o "<a dir="ltr" href="https://cy.wikipedia.org/wiki/Arbennig:Search">https://cy.wikipedia.org/wiki/Arbennig:Search</a>"</div></div> <div id="catlinks" class="catlinks catlinks-allhidden" data-mw="interface"></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Polisi preifatrwydd</a></li> <li id="footer-places-about"><a href="/wiki/Wicipedia:Yngl%C5%B7n_%C3%A2_Wicipedia">Ynglŷn â Wicipedia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wicipedia:Gwadiad_Cyffredinol">Gwadiadau</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Cod Ymddygiad</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Datblygwyr</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/cy.wikipedia.org">Ystadegau</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Datganiad cwcis</a></li> <li id="footer-places-mobileview"><a href="//cy.m.wikipedia.org/w/index.php?title=Arbennig:Search&ns0=1&search=Dolen+chwilio+ISSN&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Golwg symudol</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-f69cdc8f6-786j2","wgBackendResponseTime":496,"wgPageParseReport":{"limitreport":{"cputime":"0.001","walltime":"0.001","ppvisitednodes":{"value":6,"limit":1000000},"postexpandincludesize":{"value":35,"limit":2097152},"templateargumentsize":{"value":0,"limit":2097152},"expansiondepth":{"value":2,"limit":100},"expensivefunctioncount":{"value":0,"limit":500},"unstrip-depth":{"value":0,"limit":20},"unstrip-size":{"value":0,"limit":5000000},"entityaccesscount":{"value":0,"limit":400},"timingprofile":["100.00% 0.000 1 -total"]},"cachereport":{"origin":"mw-web.codfw.main-f69cdc8f6-786j2","timestamp":"20241124165655","ttl":2592000,"transientcontent":false}}});});</script> </body> </html>