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aria-label="了解有关编辑的更多信息"><span>了解详情</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/Special:%E6%88%91%E7%9A%84%E8%B4%A1%E7%8C%AE" title="来自此IP地址的编辑列表[y]" accesskey="y"><span>贡献</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:%E6%88%91%E7%9A%84%E8%AE%A8%E8%AE%BA%E9%A1%B5" title="对于来自此IP地址编辑的讨论[n]" accesskey="n"><span>讨论</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="站点"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="目录" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">目录</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">移至侧栏</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">隐藏</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">序言</div> </a> </li> <li id="toc-定义" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#定义"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>定义</span> </div> </a> <ul id="toc-定义-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-公式的变形——质量方程式" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#公式的变形——质量方程式"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>公式的变形——质量方程式</span> </div> </a> <ul id="toc-公式的变形——质量方程式-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-单位" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#单位"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>单位</span> </div> </a> <ul id="toc-单位-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-特性" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#特性"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>特性</span> </div> </a> <ul id="toc-特性-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-密度及比容" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#密度及比容"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>密度及比容</span> </div> </a> <ul id="toc-密度及比容-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-水的密度" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#水的密度"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>水的密度</span> </div> </a> <ul id="toc-水的密度-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-常见物质密度列表" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#常见物质密度列表"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>常见物质密度列表</span> </div> </a> <ul id="toc-常见物质密度列表-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-相關條目" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#相關條目"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>相關條目</span> </div> </a> <ul id="toc-相關條目-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-参考" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#参考"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>参考</span> </div> </a> <ul id="toc-参考-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="目录" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="开关目录" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-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-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">开关目录</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">密度</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="前往另一种语言写成的文章。119种语言可用" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-119" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">119种语言</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Digtheid" title="Digtheid – 南非荷兰语" lang="af" hreflang="af" data-title="Digtheid" data-language-autonym="Afrikaans" data-language-local-name="南非荷兰语" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Dichte" title="Dichte – 瑞士德语" lang="gsw" hreflang="gsw" data-title="Dichte" data-language-autonym="Alemannisch" data-language-local-name="瑞士德语" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Densidat" title="Densidat – 阿拉贡语" lang="an" hreflang="an" data-title="Densidat" data-language-autonym="Aragonés" data-language-local-name="阿拉贡语" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%83%D8%AB%D8%A7%D9%81%D8%A9" title="كثافة – 阿拉伯语" lang="ar" hreflang="ar" data-title="كثافة" data-language-autonym="العربية" data-language-local-name="阿拉伯语" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D9%83%D8%AA%D8%A7%D9%81%D8%A9" title="كتافة – 摩洛哥阿拉伯文" lang="ary" hreflang="ary" data-title="كتافة" data-language-autonym="الدارجة" data-language-local-name="摩洛哥阿拉伯文" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%A7%D9%84%D9%83%D8%AB%D8%A7%D9%81%D9%87" title="الكثافه – 埃及阿拉伯文" lang="arz" hreflang="arz" data-title="الكثافه" data-language-autonym="مصرى" data-language-local-name="埃及阿拉伯文" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%98%E0%A6%A8%E0%A6%A4%E0%A7%8D%E0%A6%AC" title="ঘনত্ব – 阿萨姆语" lang="as" hreflang="as" data-title="ঘনত্ব" data-language-autonym="অসমীয়া" data-language-local-name="阿萨姆语" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Densid%C3%A1_(f%C3%ADsica)" title="Densidá (física) – 阿斯图里亚斯语" lang="ast" hreflang="ast" data-title="Densidá (física)" data-language-autonym="Asturianu" data-language-local-name="阿斯图里亚斯语" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/S%C4%B1xl%C4%B1q" title="Sıxlıq – 阿塞拜疆语" lang="az" hreflang="az" data-title="Sıxlıq" data-language-autonym="Azərbaycanca" data-language-local-name="阿塞拜疆语" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%B3%DB%8C%D8%AE%D9%84%DB%8C%D9%82" title="سیخلیق – South Azerbaijani" lang="azb" hreflang="azb" data-title="سیخلیق" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Dichtn" title="Dichtn – 巴伐利亞文" lang="bar" hreflang="bar" data-title="Dichtn" data-language-autonym="Boarisch" data-language-local-name="巴伐利亞文" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Densidad" title="Densidad – Central Bikol" lang="bcl" hreflang="bcl" data-title="Densidad" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A8%D1%87%D1%8B%D0%BB%D1%8C%D0%BD%D0%B0%D1%81%D1%86%D1%8C" title="Шчыльнасць – 白俄罗斯语" lang="be" hreflang="be" data-title="Шчыльнасць" data-language-autonym="Беларуская" data-language-local-name="白俄罗斯语" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%A8%D1%87%D1%8B%D0%BB%D1%8C%D0%BD%D0%B0%D1%81%D1%8C%D1%86%D1%8C" title="Шчыльнасьць – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Шчыльнасьць" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9F%D0%BB%D1%8A%D1%82%D0%BD%D0%BE%D1%81%D1%82" title="Плътност – 保加利亚语" lang="bg" hreflang="bg" data-title="Плътност" data-language-autonym="Български" data-language-local-name="保加利亚语" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%98%E0%A4%A8%E0%A4%A4%E0%A5%8D%E0%A4%B5" title="घनत्व – Bhojpuri" lang="bh" hreflang="bh" data-title="घनत्व" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%98%E0%A6%A8%E0%A6%A4%E0%A7%8D%E0%A6%AC" title="ঘনত্ব – 孟加拉语" lang="bn" hreflang="bn" data-title="ঘনত্ব" data-language-autonym="বাংলা" data-language-local-name="孟加拉语" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Gusto%C4%87a" title="Gustoća – 波斯尼亚语" lang="bs" hreflang="bs" data-title="Gustoća" data-language-autonym="Bosanski" data-language-local-name="波斯尼亚语" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Densitat" title="Densitat – 加泰罗尼亚语" lang="ca" hreflang="ca" data-title="Densitat" data-language-autonym="Català" data-language-local-name="加泰罗尼亚语" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%86%DA%95%DB%8C" title="چڕی – 中库尔德语" lang="ckb" hreflang="ckb" data-title="چڕی" data-language-autonym="کوردی" data-language-local-name="中库尔德语" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Hustota" title="Hustota – 捷克语" lang="cs" hreflang="cs" data-title="Hustota" data-language-autonym="Čeština" data-language-local-name="捷克语" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%99%C4%83%D0%B2%C4%83%D0%BB%C4%83%D1%85" title="Йăвăлăх – 楚瓦什语" lang="cv" hreflang="cv" data-title="Йăвăлăх" data-language-autonym="Чӑвашла" data-language-local-name="楚瓦什语" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Dwysedd" title="Dwysedd – 威尔士语" lang="cy" hreflang="cy" data-title="Dwysedd" data-language-autonym="Cymraeg" data-language-local-name="威尔士语" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Massefylde" title="Massefylde – 丹麦语" lang="da" hreflang="da" data-title="Massefylde" data-language-autonym="Dansk" data-language-local-name="丹麦语" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Dichte" title="Dichte – 德语" lang="de" hreflang="de" data-title="Dichte" data-language-autonym="Deutsch" data-language-local-name="德语" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A0%CF%85%CE%BA%CE%BD%CF%8C%CF%84%CE%B7%CF%84%CE%B1" title="Πυκνότητα – 希腊语" lang="el" hreflang="el" data-title="Πυκνότητα" data-language-autonym="Ελληνικά" data-language-local-name="希腊语" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Density" title="Density – 英语" lang="en" hreflang="en" data-title="Density" data-language-autonym="English" data-language-local-name="英语" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Denso" title="Denso – 世界语" lang="eo" hreflang="eo" data-title="Denso" data-language-autonym="Esperanto" data-language-local-name="世界语" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Densidad" title="Densidad – 西班牙语" lang="es" hreflang="es" data-title="Densidad" data-language-autonym="Español" data-language-local-name="西班牙语" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Tihedus" title="Tihedus – 爱沙尼亚语" lang="et" hreflang="et" data-title="Tihedus" data-language-autonym="Eesti" data-language-local-name="爱沙尼亚语" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Dentsitate_(fisika)" title="Dentsitate (fisika) – 巴斯克语" lang="eu" hreflang="eu" data-title="Dentsitate (fisika)" data-language-autonym="Euskara" data-language-local-name="巴斯克语" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DA%86%DA%AF%D8%A7%D9%84%DB%8C" title="چگالی – 波斯语" lang="fa" hreflang="fa" data-title="چگالی" data-language-autonym="فارسی" data-language-local-name="波斯语" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Tiheys" title="Tiheys – 芬兰语" lang="fi" hreflang="fi" data-title="Tiheys" data-language-autonym="Suomi" data-language-local-name="芬兰语" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Masse_volumique" title="Masse volumique – 法语" lang="fr" hreflang="fr" data-title="Masse volumique" data-language-autonym="Français" data-language-local-name="法语" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Sachthaid" title="Sachthaid – 北弗里西亚语" lang="frr" hreflang="frr" data-title="Sachthaid" data-language-autonym="Nordfriisk" data-language-local-name="北弗里西亚语" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-fur mw-list-item"><a href="https://fur.wikipedia.org/wiki/Densit%C3%A2t" title="Densitât – 弗留利语" lang="fur" hreflang="fur" data-title="Densitât" data-language-autonym="Furlan" data-language-local-name="弗留利语" class="interlanguage-link-target"><span>Furlan</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Tichtheid" title="Tichtheid – 西弗里西亚语" lang="fy" hreflang="fy" data-title="Tichtheid" data-language-autonym="Frysk" data-language-local-name="西弗里西亚语" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Dl%C3%BAs" title="Dlús – 爱尔兰语" lang="ga" hreflang="ga" data-title="Dlús" data-language-autonym="Gaeilge" data-language-local-name="爱尔兰语" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Dluthad" title="Dluthad – 苏格兰盖尔语" lang="gd" hreflang="gd" data-title="Dluthad" data-language-autonym="Gàidhlig" data-language-local-name="苏格兰盖尔语" class="interlanguage-link-target"><span>Gàidhlig</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Densidade" title="Densidade – 加利西亚语" lang="gl" hreflang="gl" data-title="Densidade" data-language-autonym="Galego" data-language-local-name="加利西亚语" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A6%D7%A4%D7%99%D7%A4%D7%95%D7%AA_%D7%94%D7%97%D7%95%D7%9E%D7%A8" title="צפיפות החומר – 希伯来语" lang="he" hreflang="he" data-title="צפיפות החומר" data-language-autonym="עברית" data-language-local-name="希伯来语" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%98%E0%A4%A8%E0%A4%A4%E0%A5%8D%E0%A4%B5" title="घनत्व – 印地语" lang="hi" hreflang="hi" data-title="घनत्व" data-language-autonym="हिन्दी" data-language-local-name="印地语" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Gusto%C4%87a" title="Gustoća – 克罗地亚语" lang="hr" hreflang="hr" data-title="Gustoća" data-language-autonym="Hrvatski" data-language-local-name="克罗地亚语" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Dansite" title="Dansite – 海地克里奥尔语" lang="ht" hreflang="ht" data-title="Dansite" data-language-autonym="Kreyòl ayisyen" data-language-local-name="海地克里奥尔语" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/S%C5%B1r%C5%B1s%C3%A9g" title="Sűrűség – 匈牙利语" lang="hu" hreflang="hu" data-title="Sűrűség" data-language-autonym="Magyar" data-language-local-name="匈牙利语" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%BD%D5%BF%D5%B8%D6%82%D5%A9%D5%B5%D5%B8%D6%82%D5%B6" title="Խտություն – 亚美尼亚语" lang="hy" hreflang="hy" data-title="Խտություն" data-language-autonym="Հայերեն" data-language-local-name="亚美尼亚语" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Densitate_(quantitate_physic)" title="Densitate (quantitate physic) – 国际语" lang="ia" hreflang="ia" data-title="Densitate (quantitate physic)" data-language-autonym="Interlingua" data-language-local-name="国际语" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Massa_jenis" title="Massa jenis – 印度尼西亚语" lang="id" hreflang="id" data-title="Massa jenis" data-language-autonym="Bahasa Indonesia" data-language-local-name="印度尼西亚语" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ig mw-list-item"><a href="https://ig.wikipedia.org/wiki/Density" title="Density – 伊博语" lang="ig" hreflang="ig" data-title="Density" data-language-autonym="Igbo" data-language-local-name="伊博语" class="interlanguage-link-target"><span>Igbo</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Specifika_pezo" title="Specifika pezo – 伊多语" lang="io" hreflang="io" data-title="Specifika pezo" data-language-autonym="Ido" data-language-local-name="伊多语" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/E%C3%B0lismassi" title="Eðlismassi – 冰岛语" lang="is" hreflang="is" data-title="Eðlismassi" data-language-autonym="Íslenska" data-language-local-name="冰岛语" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Densit%C3%A0" title="Densità – 意大利语" lang="it" hreflang="it" data-title="Densità" data-language-autonym="Italiano" data-language-local-name="意大利语" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%AF%86%E5%BA%A6" title="密度 – 日语" lang="ja" hreflang="ja" data-title="密度" data-language-autonym="日本語" data-language-local-name="日语" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jbo mw-list-item"><a href="https://jbo.wikipedia.org/wiki/denmi" title="denmi – 逻辑语" lang="jbo" hreflang="jbo" data-title="denmi" data-language-autonym="La .lojban." data-language-local-name="逻辑语" class="interlanguage-link-target"><span>La .lojban.</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Massa_jenis" title="Massa jenis – 爪哇语" lang="jv" hreflang="jv" data-title="Massa jenis" data-language-autonym="Jawa" data-language-local-name="爪哇语" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%A1%E1%83%98%E1%83%9B%E1%83%99%E1%83%95%E1%83%A0%E1%83%98%E1%83%95%E1%83%94" title="სიმკვრივე – 格鲁吉亚语" lang="ka" hreflang="ka" data-title="სიმკვრივე" data-language-autonym="ქართული" data-language-local-name="格鲁吉亚语" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A2%D1%8B%D2%93%D1%8B%D0%B7%D0%B4%D1%8B%D2%9B" title="Тығыздық – 哈萨克语" lang="kk" hreflang="kk" data-title="Тығыздық" data-language-autonym="Қазақша" data-language-local-name="哈萨克语" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%B8%E0%B2%BE%E0%B2%82%E0%B2%A6%E0%B3%8D%E0%B2%B0%E0%B2%A4%E0%B3%86" title="ಸಾಂದ್ರತೆ – 卡纳达语" lang="kn" hreflang="kn" data-title="ಸಾಂದ್ರತೆ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="卡纳达语" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%B0%80%EB%8F%84" title="밀도 – 韩语" lang="ko" hreflang="ko" data-title="밀도" data-language-autonym="한국어" data-language-local-name="韩语" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/T%C3%AErb%C3%BBn" title="Tîrbûn – 库尔德语" lang="ku" hreflang="ku" data-title="Tîrbûn" data-language-autonym="Kurdî" data-language-local-name="库尔德语" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Doesedh_(fisegieth)" title="Doesedh (fisegieth) – 康沃尔语" lang="kw" hreflang="kw" data-title="Doesedh (fisegieth)" data-language-autonym="Kernowek" data-language-local-name="康沃尔语" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%A2%D1%8B%D0%B3%D1%8B%D0%B7%D0%B4%D1%8B%D0%BA" title="Тыгыздык – 柯尔克孜语" lang="ky" hreflang="ky" data-title="Тыгыздык" data-language-autonym="Кыргызча" data-language-local-name="柯尔克孜语" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Densitas_et_spissitudo" title="Densitas et spissitudo – 拉丁语" lang="la" hreflang="la" data-title="Densitas et spissitudo" data-language-autonym="Latina" data-language-local-name="拉丁语" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Dicht" title="Dicht – 卢森堡语" lang="lb" hreflang="lb" data-title="Dicht" data-language-autonym="Lëtzebuergesch" data-language-local-name="卢森堡语" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Densit%C3%A0" title="Densità – 倫巴底文" lang="lmo" hreflang="lmo" data-title="Densità" data-language-autonym="Lombard" data-language-local-name="倫巴底文" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Tankis" title="Tankis – 立陶宛语" lang="lt" hreflang="lt" data-title="Tankis" data-language-autonym="Lietuvių" data-language-local-name="立陶宛语" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Bl%C4%ABvums" title="Blīvums – 拉脱维亚语" lang="lv" hreflang="lv" data-title="Blīvums" data-language-autonym="Latviešu" data-language-local-name="拉脱维亚语" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mg mw-list-item"><a href="https://mg.wikipedia.org/wiki/Lanja_isam-bentin-kadiry" title="Lanja isam-bentin-kadiry – 马拉加斯语" lang="mg" hreflang="mg" data-title="Lanja isam-bentin-kadiry" data-language-autonym="Malagasy" data-language-local-name="马拉加斯语" class="interlanguage-link-target"><span>Malagasy</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%93%D1%83%D1%81%D1%82%D0%B8%D0%BD%D0%B0" title="Густина – 马其顿语" lang="mk" hreflang="mk" data-title="Густина" data-language-autonym="Македонски" data-language-local-name="马其顿语" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml badge-Q70893996 mw-list-item" title=""><a href="https://ml.wikipedia.org/wiki/%E0%B4%B8%E0%B4%BE%E0%B4%A8%E0%B5%8D%E0%B4%A6%E0%B5%8D%E0%B4%B0%E0%B4%A4" title="സാന്ദ്രത – 马拉雅拉姆语" lang="ml" hreflang="ml" data-title="സാന്ദ്രത" data-language-autonym="മലയാളം" data-language-local-name="马拉雅拉姆语" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%9D%D1%8F%D0%B3%D1%82" title="Нягт – 蒙古语" lang="mn" hreflang="mn" data-title="Нягт" data-language-autonym="Монгол" data-language-local-name="蒙古语" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%98%E0%A4%A8%E0%A4%A4%E0%A4%BE" title="घनता – 马拉地语" lang="mr" hreflang="mr" data-title="घनता" data-language-autonym="मराठी" data-language-local-name="马拉地语" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Ketumpatan" title="Ketumpatan – 马来语" lang="ms" hreflang="ms" data-title="Ketumpatan" data-language-autonym="Bahasa Melayu" data-language-local-name="马来语" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-mt mw-list-item"><a href="https://mt.wikipedia.org/wiki/Densit%C3%A0" title="Densità – 马耳他语" lang="mt" hreflang="mt" data-title="Densità" data-language-autonym="Malti" data-language-local-name="马耳他语" class="interlanguage-link-target"><span>Malti</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%9E%E1%80%AD%E1%80%95%E1%80%BA%E1%80%9E%E1%80%8A%E1%80%BA%E1%80%B8%E1%80%81%E1%80%BC%E1%80%84%E1%80%BA%E1%80%B8" title="သိပ်သည်းခြင်း – 缅甸语" lang="my" hreflang="my" data-title="သိပ်သည်းခြင်း" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="缅甸语" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nap mw-list-item"><a href="https://nap.wikipedia.org/wiki/Denzet%C3%A0" title="Denzetà – 那不勒斯语" lang="nap" hreflang="nap" data-title="Denzetà" data-language-autonym="Napulitano" data-language-local-name="那不勒斯语" class="interlanguage-link-target"><span>Napulitano</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Dicht" title="Dicht – 低地德语" lang="nds" hreflang="nds" data-title="Dicht" data-language-autonym="Plattdüütsch" data-language-local-name="低地德语" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%98%E0%A4%A8%E0%A4%A4%E0%A5%8D%E0%A4%B5" title="घनत्व – 尼泊尔语" lang="ne" hreflang="ne" data-title="घनत्व" data-language-autonym="नेपाली" data-language-local-name="尼泊尔语" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Massadichtheid" title="Massadichtheid – 荷兰语" lang="nl" hreflang="nl" data-title="Massadichtheid" data-language-autonym="Nederlands" data-language-local-name="荷兰语" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Tettleik" title="Tettleik – 挪威尼诺斯克语" lang="nn" hreflang="nn" data-title="Tettleik" data-language-autonym="Norsk nynorsk" data-language-local-name="挪威尼诺斯克语" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Tetthet" title="Tetthet – 书面挪威语" lang="nb" hreflang="nb" data-title="Tetthet" data-language-autonym="Norsk bokmål" data-language-local-name="书面挪威语" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Massa_volumica" title="Massa volumica – 奥克语" lang="oc" hreflang="oc" data-title="Massa volumica" data-language-autonym="Occitan" data-language-local-name="奥克语" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Rukkina" title="Rukkina – 奥罗莫语" lang="om" hreflang="om" data-title="Rukkina" data-language-autonym="Oromoo" data-language-local-name="奥罗莫语" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%B8%E0%A9%B0%E0%A8%98%E0%A8%A3%E0%A8%BE%E0%A8%AA%E0%A8%A3" title="ਸੰਘਣਾਪਣ – 旁遮普语" lang="pa" hreflang="pa" data-title="ਸੰਘਣਾਪਣ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="旁遮普语" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/G%C4%99sto%C5%9B%C4%87" title="Gęstość – 波兰语" lang="pl" hreflang="pl" data-title="Gęstość" data-language-autonym="Polski" data-language-local-name="波兰语" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D9%BC%D9%8A%D9%86%DA%AB%D9%88%D8%A7%D9%84%DB%8C_(%D8%BA%D9%84%D8%B8%D8%AA/%D8%AA%D8%B1%D8%A7%DA%A9%D9%85)" title="ټينګوالی (غلظت/تراکم) – 普什图语" lang="ps" hreflang="ps" data-title="ټينګوالی (غلظت/تراکم)" data-language-autonym="پښتو" data-language-local-name="普什图语" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Densidade" title="Densidade – 葡萄牙语" lang="pt" hreflang="pt" data-title="Densidade" data-language-autonym="Português" data-language-local-name="葡萄牙语" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Densitate" title="Densitate – 罗马尼亚语" lang="ro" hreflang="ro" data-title="Densitate" data-language-autonym="Română" data-language-local-name="罗马尼亚语" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-rsk mw-list-item"><a href="https://rsk.wikipedia.org/wiki/%D0%93%D1%83%D1%81%D1%82%D0%BE%D1%81%D1%86" title="Густосц – Pannonian Rusyn" lang="rsk" hreflang="rsk" data-title="Густосц" data-language-autonym="Руски" data-language-local-name="Pannonian Rusyn" class="interlanguage-link-target"><span>Руски</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9F%D0%BB%D0%BE%D1%82%D0%BD%D0%BE%D1%81%D1%82%D1%8C" title="Плотность – 俄语" lang="ru" hreflang="ru" data-title="Плотность" data-language-autonym="Русский" data-language-local-name="俄语" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sa mw-list-item"><a href="https://sa.wikipedia.org/wiki/%E0%A4%98%E0%A4%A8%E0%A4%A4%E0%A5%8D%E0%A4%B5%E0%A4%AE%E0%A5%8D_(%E0%A4%AD%E0%A5%8C%E0%A4%A4%E0%A4%B5%E0%A4%BF%E0%A4%9C%E0%A5%8D%E0%A4%9E%E0%A4%BE%E0%A4%A8%E0%A4%AE%E0%A5%8D)" title="घनत्वम् (भौतविज्ञानम्) – 梵语" lang="sa" hreflang="sa" data-title="घनत्वम् (भौतविज्ञानम्)" data-language-autonym="संस्कृतम्" data-language-local-name="梵语" class="interlanguage-link-target"><span>संस्कृतम्</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Dinsitati" title="Dinsitati – 西西里语" lang="scn" hreflang="scn" data-title="Dinsitati" data-language-autonym="Sicilianu" data-language-local-name="西西里语" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Density" title="Density – 苏格兰语" lang="sco" hreflang="sco" data-title="Density" data-language-autonym="Scots" data-language-local-name="苏格兰语" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%DA%AF%D9%87%D8%A7%D9%BD%D8%A7%DA%BB" title="گهاٽاڻ – 信德语" lang="sd" hreflang="sd" data-title="گهاٽاڻ" data-language-autonym="سنڌي" data-language-local-name="信德语" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Gustina" title="Gustina – 塞尔维亚-克罗地亚语" lang="sh" hreflang="sh" data-title="Gustina" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="塞尔维亚-克罗地亚语" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%9D%E0%B6%B1%E0%B6%AD%E0%B7%8A%E0%B7%80%E0%B6%BA" title="ඝනත්වය – 僧伽罗语" lang="si" hreflang="si" data-title="ඝනත්වය" data-language-autonym="සිංහල" data-language-local-name="僧伽罗语" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Density" title="Density – Simple English" lang="en-simple" hreflang="en-simple" data-title="Density" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Hustota_(objemov%C3%A1_hmotnos%C5%A5)" title="Hustota (objemová hmotnosť) – 斯洛伐克语" lang="sk" hreflang="sk" data-title="Hustota (objemová hmotnosť)" data-language-autonym="Slovenčina" data-language-local-name="斯洛伐克语" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Gostota" title="Gostota – 斯洛文尼亚语" lang="sl" hreflang="sl" data-title="Gostota" data-language-autonym="Slovenščina" data-language-local-name="斯洛文尼亚语" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-smn mw-list-item"><a href="https://smn.wikipedia.org/wiki/Saah%C3%A2dvuot%C3%A2" title="Saahâdvuotâ – 伊纳里萨米语" lang="smn" hreflang="smn" data-title="Saahâdvuotâ" data-language-autonym="Anarâškielâ" data-language-local-name="伊纳里萨米语" class="interlanguage-link-target"><span>Anarâškielâ</span></a></li><li class="interlanguage-link interwiki-sn mw-list-item"><a href="https://sn.wikipedia.org/wiki/Tsinhano_yeHuremu" title="Tsinhano yeHuremu – 绍纳语" lang="sn" hreflang="sn" data-title="Tsinhano yeHuremu" data-language-autonym="ChiShona" data-language-local-name="绍纳语" class="interlanguage-link-target"><span>ChiShona</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Dend%C3%ABsia" title="Dendësia – 阿尔巴尼亚语" lang="sq" hreflang="sq" data-title="Dendësia" data-language-autonym="Shqip" data-language-local-name="阿尔巴尼亚语" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%93%D1%83%D1%81%D1%82%D0%B8%D0%BD%D0%B0" title="Густина – 塞尔维亚语" lang="sr" hreflang="sr" data-title="Густина" data-language-autonym="Српски / srpski" data-language-local-name="塞尔维亚语" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Densitet" title="Densitet – 瑞典语" lang="sv" hreflang="sv" data-title="Densitet" data-language-autonym="Svenska" data-language-local-name="瑞典语" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Msongamano" title="Msongamano – 斯瓦希里语" lang="sw" hreflang="sw" data-title="Msongamano" data-language-autonym="Kiswahili" data-language-local-name="斯瓦希里语" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-szl mw-list-item"><a href="https://szl.wikipedia.org/wiki/Gynsto%C5%9B%C4%87" title="Gynstość – 西里西亚语" lang="szl" hreflang="szl" data-title="Gynstość" data-language-autonym="Ślůnski" data-language-local-name="西里西亚语" class="interlanguage-link-target"><span>Ślůnski</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%85%E0%AE%9F%E0%AE%B0%E0%AF%8D%E0%AE%A4%E0%AF%8D%E0%AE%A4%E0%AE%BF" title="அடர்த்தி – 泰米尔语" lang="ta" hreflang="ta" data-title="அடர்த்தி" data-language-autonym="தமிழ்" data-language-local-name="泰米尔语" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%B8%E0%B0%BE%E0%B0%82%E0%B0%A6%E0%B1%8D%E0%B0%B0%E0%B0%A4" title="సాంద్రత – 泰卢固语" lang="te" hreflang="te" data-title="సాంద్రత" data-language-autonym="తెలుగు" data-language-local-name="泰卢固语" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%AB%E0%B8%99%E0%B8%B2%E0%B9%81%E0%B8%99%E0%B9%88%E0%B8%99" title="ความหนาแน่น – 泰语" lang="th" hreflang="th" data-title="ความหนาแน่น" data-language-autonym="ไทย" data-language-local-name="泰语" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Yo%C4%9Funluk" title="Yoğunluk – 土耳其语" lang="tr" hreflang="tr" data-title="Yoğunluk" data-language-autonym="Türkçe" data-language-local-name="土耳其语" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%93%D1%83%D1%81%D1%82%D0%B8%D0%BD%D0%B0" title="Густина – 乌克兰语" lang="uk" hreflang="uk" data-title="Густина" data-language-autonym="Українська" data-language-local-name="乌克兰语" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%DA%A9%D8%AB%D8%A7%D9%81%D8%AA" title="کثافت – 乌尔都语" lang="ur" hreflang="ur" data-title="کثافت" data-language-autonym="اردو" data-language-local-name="乌尔都语" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Kh%E1%BB%91i_l%C6%B0%E1%BB%A3ng_ri%C3%AAng" title="Khối lượng riêng – 越南语" lang="vi" hreflang="vi" data-title="Khối lượng riêng" data-language-autonym="Tiếng Việt" data-language-local-name="越南语" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Kasuok" title="Kasuok – 瓦瑞语" lang="war" hreflang="war" data-title="Kasuok" data-language-autonym="Winaray" data-language-local-name="瓦瑞语" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E5%AF%86%E5%BA%A6" title="密度 – 吴语" lang="wuu" hreflang="wuu" data-title="密度" data-language-autonym="吴语" data-language-local-name="吴语" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-xmf mw-list-item"><a href="https://xmf.wikipedia.org/wiki/%E1%83%9E%E1%83%98%E1%83%A1%E1%83%A5%E1%83%95%E1%83%98%E1%83%9C%E1%83%98" title="პისქვინი – 明格列爾文" lang="xmf" hreflang="xmf" data-title="პისქვინი" data-language-autonym="მარგალური" data-language-local-name="明格列爾文" class="interlanguage-link-target"><span>მარგალური</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/K%C3%ADkis%C3%AD" title="Kíkisí – 约鲁巴语" lang="yo" hreflang="yo" data-title="Kíkisí" data-language-autonym="Yorùbá" data-language-local-name="约鲁巴语" class="interlanguage-link-target"><span>Yorùbá</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Bi%CC%8Dt-t%C5%8D%CD%98" title="Bi̍t-tō͘ – 闽南语" lang="nan" hreflang="nan" data-title="Bi̍t-tō͘" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="闽南语" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E5%AF%86%E5%BA%A6" title="密度 – 粤语" lang="yue" hreflang="yue" data-title="密度" data-language-autonym="粵語" data-language-local-name="粤语" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q29539#sitelinks-wikipedia" title="编辑跨语言链接" class="wbc-editpage">编辑链接</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="命名空间"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%E5%AF%86%E5%BA%A6" title="浏览条目正文[c]" accesskey="c"><span>条目</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:%E5%AF%86%E5%BA%A6" rel="discussion" title="关于此页面的讨论[t]" accesskey="t"><span>讨论</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown " > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" 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.mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox"><tbody><tr><th colspan="2" class="infobox-above">密度</th></tr><tr><th scope="row" class="infobox-label" style=""><div style="padding:0.1em 0;line-height:1.2em;">常見符號</div></th><td class="infobox-data" style=""><i><a href="/wiki/%CE%A1" title="Ρ">ρ</a></i></td></tr><tr><th scope="row" class="infobox-label" style=""><a href="/wiki/%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D" title="国际单位">国际单位</a></th><td class="infobox-data" style="">kg/m<sup>3</sup></td></tr><tr><th scope="row" class="infobox-label" style=""><a href="/wiki/%E5%9B%A0%E6%AC%A1%E5%88%86%E6%9E%90#定義" title="因次分析">因次</a></th><td class="infobox-data" style=""><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\mathsf {L}}^{-3}{\mathsf {M}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="sans-serif">L</mi> </mrow> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mo>−</mo> <mn>3</mn> </mrow> </msup> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="sans-serif">M</mi> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\mathsf {L}}^{-3}{\mathsf {M}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/2fb7b4188954cba89b95f1d367ccc3b5735048b5" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:5.626ex; height:2.676ex;" alt="{\displaystyle {\mathsf {L}}^{-3}{\mathsf {M}}}"></span></td></tr></tbody></table> <figure typeof="mw:File/Thumb"><a href="/wiki/File:Artsy_density_column.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/71/Artsy_density_column.png/150px-Artsy_density_column.png" decoding="async" width="150" height="556" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/71/Artsy_density_column.png/225px-Artsy_density_column.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/71/Artsy_density_column.png/300px-Artsy_density_column.png 2x" data-file-width="1080" data-file-height="4000" /></a><figcaption><a href="/wiki/%E9%87%8F%E7%AD%92" title="量筒">量筒</a>中有不同顏色、不同密度的不相溶液體</figcaption></figure> <p><b>密度</b>是指一物質單位<a href="/wiki/%E9%AB%94%E7%A9%8D" class="mw-redirect" title="體積">體積</a>下的<a href="/wiki/%E8%B3%AA%E9%87%8F" class="mw-redirect" title="質量">質量</a>，常用希臘字母<b>ρ</b>或是英文字母<b><span lang="en">D</span></b>（<span lang="en">Density</span>）表示。在數學上，密度定義為質量除以體積的商。即物體的質量與體積的<a href="/wiki/%E6%AF%94%E5%80%BC" class="mw-redirect" title="比值">比值</a><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>： </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \rho ={\frac {m}{V}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>ρ</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>m</mi> <mi>V</mi> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \rho ={\frac {m}{V}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f63465553e3f944d6ef79f90f992a02cf29c7f38" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.005ex; width:7.177ex; height:4.843ex;" alt="{\displaystyle \rho ={\frac {m}{V}}}"></span></dd></dl> <p>其中<i>ρ</i>為密度，<i><span lang="en">m</span></i>為質量，<i><span lang="en">V</span></i>為體積。 </p><p>有時（例如美國的石油業或天然氣產業）會將密度定義為單位體積的<a href="/wiki/%E9%87%8D%E9%87%8F" title="重量">重量</a><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>，不過在科學上是不精確的，此物理量應稱為<a href="/wiki/%E6%AF%94%E9%87%8D%E9%87%8F" title="比重量">比重量</a>。 </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="定义"><span id=".E5.AE.9A.E4.B9.89"></span>定义</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%AF%86%E5%BA%A6&action=edit&section=1" title="编辑章节：定义"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>密度是单位<a href="/wiki/%E4%BD%93%E7%A7%AF" title="体积">体积</a>的物质具有的<a href="/wiki/%E8%B4%A8%E9%87%8F" title="质量">质量</a>，即 </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \rho ={\frac {\mathrm {d} m}{\mathrm {d} V}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>ρ</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mi>m</mi> </mrow> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mi>V</mi> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \rho ={\frac {\mathrm {d} m}{\mathrm {d} V}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/68850ca2a5a7130811d73f299ccc0277e954716c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.005ex; width:8.469ex; height:5.509ex;" alt="{\displaystyle \rho ={\frac {\mathrm {d} m}{\mathrm {d} V}}}"></span></dd></dl> <p>式中，<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle m}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>m</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle m}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/0a07d98bb302f3856cbabc47b2b9016692e3f7bc" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.04ex; height:1.676ex;" alt="{\displaystyle m}"></span>为物体的质量，<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle V}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>V</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle V}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/af0f6064540e84211d0ffe4dac72098adfa52845" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.787ex; height:2.176ex;" alt="{\displaystyle V}"></span>为体积。对于质量分布均匀的<a href="/wiki/%E7%89%A9%E8%B4%A8" title="物质">物质</a>，密度公式可简化为<a href="/wiki/%E5%88%9D%E7%AD%89%E6%95%B0%E5%AD%A6" title="初等数学">初等数学</a>形式 </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \rho ={\frac {m}{V}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>ρ</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>m</mi> <mi>V</mi> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \rho ={\frac {m}{V}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f63465553e3f944d6ef79f90f992a02cf29c7f38" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.005ex; width:7.177ex; height:4.843ex;" alt="{\displaystyle \rho ={\frac {m}{V}}}"></span>。</dd></dl> <p>另外，密度還有一個定義，即：質量與體積的"比值"。 </p> <div class="mw-heading mw-heading2"><h2 id="公式的变形——质量方程式"><span id=".E5.85.AC.E5.BC.8F.E7.9A.84.E5.8F.98.E5.BD.A2.E2.80.94.E2.80.94.E8.B4.A8.E9.87.8F.E6.96.B9.E7.A8.8B.E5.BC.8F"></span>公式的变形——质量方程式</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%AF%86%E5%BA%A6&action=edit&section=2" title="编辑章节：公式的变形——质量方程式"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>根据密度的定义式 </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \rho ={\frac {\mathrm {d} m}{\mathrm {d} V}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>ρ</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mi>m</mi> </mrow> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mi>V</mi> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \rho ={\frac {\mathrm {d} m}{\mathrm {d} V}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/68850ca2a5a7130811d73f299ccc0277e954716c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.005ex; width:8.469ex; height:5.509ex;" alt="{\displaystyle \rho ={\frac {\mathrm {d} m}{\mathrm {d} V}}}"></span>，</dd></dl> <p>经变形，可以得到 </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle m=\int \rho \,\mathrm {d} V}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>m</mi> <mo>=</mo> <mo>∫</mo> <mi>ρ</mi> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mi>V</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle m=\int \rho \,\mathrm {d} V}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/0d1c0af4a5f3e94f2d5b2a0cdce2fd4e919089e6" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.338ex; width:12.388ex; height:5.676ex;" alt="{\displaystyle m=\int \rho \,\mathrm {d} V}"></span>。</dd></dl> <p>上面的公式通常被称作质量方程。可以利用上式，并结合一些<a href="/wiki/%E5%87%A0%E4%BD%95" class="mw-redirect" title="几何">几何</a>关系，从而求出<a href="/wiki/%E8%87%AA%E7%84%B6%E7%95%8C" class="mw-redirect" title="自然界">自然界</a>中任一<a href="/wiki/%E7%89%A9%E4%BD%93" title="物体">物体</a>的质量。该式适用于自然界中的任何物体或<a href="/wiki/%E7%89%A9%E8%B4%A8" title="物质">物质</a>，且不受<a href="/wiki/%E7%89%A9%E8%B4%A8%E7%8A%B6%E6%80%81" title="物质状态">物质状态</a>的影响。质量方程已经在<a href="/wiki/%E5%87%9D%E8%81%9A%E6%80%81%E7%89%A9%E7%90%86%E5%AD%A6" title="凝聚态物理学">凝聚态物理学</a>、<a href="/wiki/%E5%9B%BA%E4%BD%93%E7%89%A9%E7%90%86%E5%AD%A6" title="固体物理学">固体物理学</a>、<a href="/wiki/%E8%BF%9E%E7%BB%AD%E4%BB%8B%E8%B4%A8%E5%8A%9B%E5%AD%A6" title="连续介质力学">连续介质力学</a>、<a href="/wiki/%E6%B5%81%E4%BD%93%E5%8A%9B%E5%AD%A6" title="流体力学">流体力学</a>等众多<a href="/wiki/%E7%89%A9%E7%90%86%E5%AD%A6" title="物理学">物理学</a>分支的<a href="/wiki/%E5%AE%9A%E9%87%8F%E5%88%86%E6%9E%90" title="定量分析">定量分析</a>当中得到了广泛的应用。 </p> <div class="mw-heading mw-heading2"><h2 id="单位"><span id=".E5.8D.95.E4.BD.8D"></span>单位</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%AF%86%E5%BA%A6&action=edit&section=3" title="编辑章节：单位"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/%E5%9B%BD%E9%99%85%E5%8D%95%E4%BD%8D%E5%88%B6" title="国际单位制">国际单位制</a>中密度的单位是kg/<a href="/wiki/%E7%AB%8B%E6%96%B9%E7%B1%B3" title="立方米">m<sup>3</sup></a>，其它常用的单位有<a href="/wiki/%E5%85%8B" title="克">g</a>/<a href="/wiki/%E7%AB%8B%E6%96%B9%E5%8E%98%E7%B1%B3" title="立方厘米">cm<sup>3</sup></a>，以及工程中常用的<a href="/wiki/%E5%85%AC%E5%99%B8" title="公噸">t</a>/<a href="/wiki/%E7%AB%8B%E6%96%B9%E7%B1%B3" title="立方米">m<sup>3</sup></a>。 </p> <div class="mw-heading mw-heading2"><h2 id="特性"><span id=".E7.89.B9.E6.80.A7"></span>特性</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%AF%86%E5%BA%A6&action=edit&section=4" title="编辑章节：特性"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>密度反映了物质本身的一种特性，它因此可以受到外界因素的影响。一般来讲，影响<a href="/wiki/%E7%89%A9%E8%B4%A8" title="物质">物质</a>密度的主要物理量为<a href="/wiki/%E5%8E%8B%E5%BC%BA" title="压强">压强</a>和<a href="/wiki/%E6%B8%A9%E5%BA%A6" title="温度">温度</a>。 <a href="/wiki/%E6%B0%94%E4%BD%93" title="气体">气体</a>密度受<a href="/wiki/%E5%8E%8B%E5%BC%BA" title="压强">压强</a>和<a href="/wiki/%E6%B8%A9%E5%BA%A6" title="温度">温度</a>的影响比较明显，通常气体只给出<a href="/wiki/%E6%A0%87%E5%87%86%E7%8A%B6%E5%86%B5" title="标准状况">标准状况</a>下或者常温常压下的密度，其他状况下的密度可以通过气体的状态方程（例如<a href="/wiki/%E7%90%86%E6%83%B3%E6%B0%94%E4%BD%93%E7%8A%B6%E6%80%81%E6%96%B9%E7%A8%8B" title="理想气体状态方程">理想气体状态方程</a>或<a href="/wiki/%E8%8C%83%E5%BE%B7%E7%93%A6%E5%B0%94%E6%96%AF%E6%96%B9%E7%A8%8B" class="mw-redirect" title="范德瓦尔斯方程">范德瓦尔斯方程</a>）计算。 <a href="/wiki/%E6%B6%B2%E4%BD%93" title="液体">液体</a>的密度主要取决于液体的组分，受<a href="/wiki/%E6%B8%A9%E5%BA%A6" title="温度">温度</a>的影响比较小（但有时也不能忽略）。很高的<a href="/wiki/%E5%8E%8B%E5%BC%BA" title="压强">压强</a>也会产生明显影响。 <a href="/wiki/%E5%9B%BA%E4%BD%93" title="固体">固体</a>的密度受<a href="/wiki/%E6%B8%A9%E5%BA%A6" title="温度">温度</a>和<a href="/wiki/%E5%8E%8B%E5%BC%BA" title="压强">压强</a>影响而变化的特性类似于液体，且一般更不明显。 </p><p>此外，还有其他可能影响物质密度的物理因素，比如<a href="/wiki/%E7%A3%81%E5%9C%BA" class="mw-redirect" title="磁场">磁场</a>、<a href="/wiki/%E7%94%B5%E5%9C%BA" class="mw-redirect" title="电场">电场</a>等。就整个自然界而言，特大的压力会使某些天体中物质的密度与常见密度相差悬殊。 </p> <div class="mw-heading mw-heading2"><h2 id="密度及比容"><span id=".E5.AF.86.E5.BA.A6.E5.8F.8A.E6.AF.94.E5.AE.B9"></span>密度及比容</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%AF%86%E5%BA%A6&action=edit&section=5" title="编辑章节：密度及比容"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/%E6%AF%94%E5%AE%B9" title="比容">比容</a>（specific volume）是一物質單位質量下的體積，是密度的倒數： </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ v={\frac {V}{m}}\ ={\rho }^{-1}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mtext> </mtext> <mi>v</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>V</mi> <mi>m</mi> </mfrac> </mrow> <mtext> </mtext> <mo>=</mo> <msup> <mrow class="MJX-TeXAtom-ORD"> <mi>ρ</mi> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mo>−</mo> <mn>1</mn> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \ v={\frac {V}{m}}\ ={\rho }^{-1}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9a76189a16d4214f85939b02b4f1bd904e7b89da" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:14.897ex; height:5.176ex;" alt="{\displaystyle \ v={\frac {V}{m}}\ ={\rho }^{-1}}"></span>。</dd></dl> <p>在熱力學中常用比容來描述一系統的特性，比容和密度都是<a href="/wiki/%E5%85%A7%E5%90%AB%E6%80%A7%E8%B3%AA" class="mw-redirect" title="內含性質">內含性質</a>，不隨物質的量而變化。 </p> <div class="mw-heading mw-heading2"><h2 id="水的密度"><span id=".E6.B0.B4.E7.9A.84.E5.AF.86.E5.BA.A6"></span>水的密度</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%AF%86%E5%BA%A6&action=edit&section=6" title="编辑章节：水的密度"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable" style="margin-right:12px; text-align:center;"> <caption>水的密度 </caption> <tbody><tr> <th>温度 (°C)</th> <th>密度 (kg/m<sup>3</sup>)<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </th></tr> <tr> <td>+100</td> <td>958.0966 </td></tr> <tr> <td>+80</td> <td>971.7224 </td></tr> <tr> <td>+60</td> <td>983.2106 </td></tr> <tr> <td>+40</td> <td>992.2473 </td></tr> <tr> <td>+30</td> <td>995.6783 </td></tr> <tr> <td>+25</td> <td>997.0751 </td></tr> <tr> <td>+22</td> <td>997.8003 </td></tr> <tr> <td>+20</td> <td>998.2336 </td></tr> <tr> <td>+15</td> <td>999.1285111 </td></tr> <tr> <td>+10</td> <td>999.7281 </td></tr> <tr> <td>+4</td> <td>999.999999985 </td></tr> <tr> <td>0</td> <td>999.8675 </td></tr> <tr> <td>-10</td> <td>998.1555 </td></tr> <tr> <td>-20</td> <td>993.6829 </td></tr> <tr> <td>-30</td> <td>984.5869 </td></tr> <tr> <td colspan="2"><small> 0 °C以下的密度值参看<a href="/wiki/%E8%BF%87%E5%86%B7%E6%B0%B4" title="过冷水">过冷水</a>。</small> </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="常见物质密度列表"><span id=".E5.B8.B8.E8.A7.81.E7.89.A9.E8.B4.A8.E5.AF.86.E5.BA.A6.E5.88.97.E8.A1.A8"></span>常见物质密度列表</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%AF%86%E5%BA%A6&action=edit&section=7" title="编辑章节：常见物质密度列表"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>下表中列出了部分均匀物质的密度。请注意，即使对于同一种物质，因为可能存在多种微观结构，也可能有不同的密度。对于某些混合物，因为采样的时间、地点不同，也可能有不同的数值（例如<a href="/wiki/%E6%B5%B7%E6%B0%B4" title="海水">海水</a>、<a href="/wiki/%E6%B1%BD%E6%B2%B9" title="汽油">汽油</a>等）。下面的数据仅供粗略计算中参考。 </p> <table class="wikitable sortable"> <tbody><tr> <th>物质</th> <th>密度（g/cm<sup><small>3</small></sup>） </th></tr> <tr> <td><a href="/wiki/%E9%94%87" title="锇">锇</a></td> <td>22.59 </td></tr> <tr> <td><a href="/wiki/%E9%93%B1" title="铱">铱</a></td> <td>22.56 </td></tr> <tr> <td><a href="/wiki/%E9%93%82" title="铂">铂</a></td> <td>21.45 </td></tr> <tr> <td><a href="/wiki/%E9%87%91" title="金">金</a></td> <td>19.30 </td></tr> <tr> <td><a href="/wiki/%E9%92%A8" title="钨">钨</a></td> <td>19.25 </td></tr> <tr> <td><a href="/wiki/%E9%93%80" class="mw-redirect" title="铀">铀</a></td> <td>19.05 </td></tr> <tr> <td><a href="/wiki/%E6%B1%9E" title="汞">汞</a></td> <td>13.58 </td></tr> <tr> <td><a href="/wiki/%E9%92%AF" title="钯">钯</a></td> <td>12.023 </td></tr> <tr> <td><a href="/wiki/%E9%93%85" title="铅">铅</a></td> <td>11.34 </td></tr> <tr> <td><a href="/wiki/%E9%93%B6" class="mw-redirect" title="银">银</a></td> <td>10.49 </td></tr> <tr> <td><a href="/wiki/%E9%93%9C" title="铜">铜</a></td> <td>8.96 </td></tr> <tr> <td><a href="/wiki/%E9%93%81" title="铁">铁</a></td> <td>7.87 </td></tr> <tr> <td><a href="/wiki/%E9%94%A1" title="锡">锡</a></td> <td>7.31 </td></tr> <tr> <td><a href="/wiki/%E5%85%AD%E6%B0%9F%E5%8C%96%E9%92%A8" title="六氟化钨">六氟化钨</a> (-9 C°)</td> <td>4.560 </td></tr> <tr> <td><a href="/wiki/%E9%92%9B" title="钛">钛</a></td> <td>4.507 </td></tr> <tr> <td><a href="/wiki/%E9%92%BB%E7%9F%B3" title="钻石">钻石</a></td> <td>3.5 </td></tr> <tr> <td><a href="/wiki/%E9%93%9D" title="铝">铝</a></td> <td>2.7 </td></tr> <tr> <td><a href="/wiki/%E7%A1%AB%E9%85%B8" title="硫酸">硫酸</a></td> <td>1.84 </td></tr> <tr> <td><a href="/wiki/%E9%95%81" title="镁">镁</a></td> <td>1.74 </td></tr> <tr> <td><a href="/wiki/%E8%91%A1%E8%90%84%E7%B3%96" title="葡萄糖">葡萄糖</a></td> <td>1.54 </td></tr> <tr> <td><a href="/wiki/%E8%81%9A%E5%AF%B9%E8%8B%AF%E4%BA%8C%E7%94%B2%E9%85%B8%E4%B9%99%E4%BA%8C%E9%85%AF" title="聚对苯二甲酸乙二酯">聚对苯二甲酸乙二酯</a></td> <td>1.38 </td></tr> <tr> <td><a href="/wiki/%E6%B0%A7" title="氧">氧</a> (-182.9 C°)</td> <td>1.025 </td></tr> <tr> <td><a href="/wiki/%E6%B5%B7%E6%B0%B4" title="海水">海水</a></td> <td>1.025 </td></tr> <tr> <td><a href="/wiki/%E6%B0%B4" title="水">水</a></td> <td>1.000 </td></tr> <tr> <td><a href="/wiki/%E8%81%9A%E4%B8%99%E7%83%AF" title="聚丙烯">聚丙烯</a></td> <td>0.946 </td></tr> <tr> <td><a href="/wiki/%E5%86%B0" title="冰">冰</a> (0 C°)</td> <td>0.917 </td></tr> <tr> <td><a href="/wiki/%E4%B9%99%E9%86%87" title="乙醇">乙醇</a></td> <td>0.789 </td></tr> <tr> <td><a href="/wiki/%E6%B1%BD%E6%B2%B9" title="汽油">汽油</a></td> <td>0.73 </td></tr> <tr> <td><a href="/wiki/%E9%94%82" title="锂">锂</a></td> <td>0.534 </td></tr> <tr> <td><a href="/wiki/%E7%94%B2%E7%83%B7" title="甲烷">甲烷</a> (-162 C°)</td> <td>0.423 </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="相關條目"><span id=".E7.9B.B8.E9.97.9C.E6.A2.9D.E7.9B.AE"></span>相關條目</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%AF%86%E5%BA%A6&action=edit&section=8" title="编辑章节：相關條目"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/%E6%AF%94%E9%87%8D" title="比重">比重</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="参考"><span id=".E5.8F.82.E8.80.83"></span>参考</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%AF%86%E5%BA%A6&action=edit&section=9" title="编辑章节：参考"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><cite class="citation web"><i>The National Aeronautic and Atmospheric Administration's</i> <i>Glenn Research Center</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20130414132531/http://www.grc.nasa.gov/WWW/BGH/fluden.html">Gas Density Glenn research Center</a>. grc.nasa.gov. <span class="reference-accessdate"> [<span class="nowrap">2015-08-29</span>]</span>. （<a rel="nofollow" class="external text" href="https://www.grc.nasa.gov/WWW/BGH/fluden.html">原始内容</a>存档于2013-04-14）.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E5%AF%86%E5%BA%A6&rft.au=%27%27The+National+Aeronautic+and+Atmospheric+Administration%27s%27%27+%27%27Glenn+Research+Center%27%27&rft.btitle=Gas+Density+Glenn+research+Center&rft.genre=unknown&rft.pub=grc.nasa.gov&rft_id=http%3A%2F%2Fwww.grc.nasa.gov%2FWWW%2FBGH%2Ffluden.html&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20100805010226/http://oilgasglossary.com/density.html">Density definition in Oil Gas Glossary</a>. Oilgasglossary.com. <span class="reference-accessdate"> [<span class="nowrap">2010-09-14</span>]</span>. （<a rel="nofollow" class="external text" href="http://oilgasglossary.com/density.html">原始内容</a>存档于2010-08-05）.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E5%AF%86%E5%BA%A6&rft.btitle=Density+definition+in+Oil+Gas+Glossary&rft.genre=unknown&rft.pub=Oilgasglossary.com&rft_id=http%3A%2F%2Foilgasglossary.com%2Fdensity.html&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text">Lide, D. R. (Ed.) (1990). CRC Handbook of Chemistry and Physics (70th Edn.). Boca Raton (FL):CRC Press</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.engineeringtoolbox.com/water-density-specific-weight-d_595.html">Water – Density and Specific Weight</a> （<a rel="nofollow" class="external text" href="//web.archive.org/web/20150512042049/http://www.engineeringtoolbox.com/water-density-specific-weight-d_595.html">页面存档备份</a>，存于<a href="/wiki/%E4%BA%92%E8%81%94%E7%BD%91%E6%A1%A3%E6%A1%88%E9%A6%86" title="互联网档案馆">互联网档案馆</a>）. Engineeringtoolbox.com. 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