Home›American Petroleum Institute›چگالی ایپیآی🌐فارسیEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTiếng ViệtTürkçeРусскийالعربيةفارسی中文日本語EntityQ29246· pop 21· linked from 150 articlesچگالی ایپیآیAlso known as American Petroleum Institute gravitymeasure of how heavy or light a petroleum liquid is compared to waterAvailable in 21 languagesEspañolFrançaisDeutsch中文РусскийPortuguêsItalianoالعربيةAzerbaijaniBanglaConnectionspetroleumEntitystandard temperature and pressureEntityCategoriesAmerican Petroleum InstitutePetroleum geologyPetroleum productionPhysical quantitiesUnits of density