companydirectorylist.com  Global Business Directories and Company Directories
Search Business,Company,Industry :


Country Lists
USA Company Directories
Canada Business Lists
Australia Business Directories
France Company Lists
Italy Company Lists
Spain Company Directories
Switzerland Business Lists
Austria Company Directories
Belgium Business Directories
Hong Kong Company Lists
China Business Lists
Taiwan Company Lists
United Arab Emirates Company Directories


Industry Catalogs
USA Industry Directories














  • about whats cobalt? ~ cobalt
    cobalt helps you save anything from your favorite websites: video, audio, photos or gifs just paste the link and you’re ready to rock! no ads, trackers, paywalls, or other nonsense just a convenient web app that works anywhere, whenever you need it
  • Cobalt - Wikipedia
    Cobalt occurs naturally as only one stable isotope, cobalt-59 Cobalt-60 is a commercially important radioisotope, used as a radioactive tracer and for the production of high-energy gamma rays Cobalt is also used in the petroleum industry as a catalyst when refining crude oil
  • 钴(化学元素)_百度百科
    钴(Cobalt),元素符号Co,在化学周期表中排27号,是一种金属元素,质地硬而脆。 其熔点达到1500℃左右,沸点约3100℃,相对密度8 9g cm3,摩氏硬度5—5 5。 钴有很多特性,其在高温下能够保持较高的强度,并且具有较低的导热性和导电性以及较强的铁磁性。
  • cobalt – 开源、无广告,在线视频下载工具,支持 B 站、小红书、Tiktok、VK、YouTube 等 20+ 在线视频网站 [Web]
    cobalt 是一款开源的现在视频下载工具,可以在手机浏览器上使用。 支持 B 站、小红书、Tiktok、VK、YouTube 等 20+ 在线视频网站,并且可单独下载视频或音频,还支持 API。
  • Cobalt | Uses, Properties, Facts | Britannica
    cobalt (Co), chemical element, ferromagnetic metal of Group 9 (VIIIb) of the periodic table, used especially for heat -resistant and magnetic alloys
  • Cobalt - Element information, properties and uses | Periodic Table
    Element Cobalt (Co), Group 9, Atomic Number 27, d-block, Mass 58 933 Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images
  • About Cobalt - Cobalt Institute
    Cobalt is at the heart of many technologies that power and sustain modern life It has strong magnetic and catalytic properties, high temperature and corrosion resistance, as well as hardness and durability
  • 钴 - 维基百科,自由的百科全书
    钴 ɡǔ (英语: Cobalt),是一种 化学元素, 化学符号 为 Co, 原子序数 为27, 原子量 为 58 933 195 u。 钴和镍一样,在 地壳 中只能有化合物形式,以少量沉淀于 陨铁 (Meteoric iron)的方式储存。




Business Directories,Company Directories
Business Directories,Company Directories copyright ©2005-2012 
disclaimer