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1:44
Actinium - Periodic Table of Videos
Actinium is element number 89, and first of the actinide series. Videos about all the elem...
published: 13 Jul 2008
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2:22
Medical Actinium Therapeutic Treatment
Learn how INL researchers are increasing world supplies of Bismuth 213 to help with cancer...
published: 10 Mar 2011
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2:10
[Dynamix]-Actinium
Dynamix website: http://dynamix.c4-cat.com C4CAT facebook fan page: http://fb.me/c4cats ...
published: 05 Jan 2015
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5:19
Dynamix 谱子制作过程测试 - Actinium
其实是旧视频,现在才公开。...
published: 20 Feb 2015
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1:36
Actinium
All about Actinium. This is another Text 2 Audio transformation using Flite. Below is the ...
published: 17 Sep 2013
author: YTTest
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1:24
Actinium
Name Origin Greek: aktinos (beam or ray). "Actinium" in different languages. Sources Extre...
published: 20 Jan 2011
author: bbawor
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6:49
MicroVolts BlackBox vs Actinium
New Channel : http://www.youtube.com/user/hammy488 In this Clanwar goten345 lv up to lv 47...
published: 10 Jul 2012
author: hammy588
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8:26
Actinium Pharmaceuticals Inc. (ATNM) Uses Alpha Emitter to Treat Early & Late-Stage Leukemia
"The RedChip Money Report: Small Stocks, Big Money" host Dave Gentry interviews Sandesh Se...
published: 08 Aug 2014
author: Dave Gentry
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2:09
[Dynamix] Actinium (Hard) Omega
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published: 04 Jan 2015
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0:31
Actinium Pharmeceuticals, Inc. (NYSE: ATNM)
A bio pharmaceutical company developing innovative targeted payload immuno-therapeutics fo...
published: 16 Sep 2014
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4:57
Actinium - The Beginning (One Ok Rock cover) @ City Music Corner 15/03/2014
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published: 17 Mar 2014
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27:49
Actinium Pharmaceuticals (NYSE MKT: ATNM) RedChip Global Online CEO Conference (October 15-16, 2014)
Virtual Conference Presentation and Investor Q&A; with Dragan Cicic & Dr. Jurcic, COO and C...
published: 17 Oct 2014
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29:43
Actinium Pharmaceuticals: Targeted Payload Immunotherapeutics for the Treatment of Advanced Cancers
Watch a presentation by Actinium Pharmaceuticals' CEO Dr. Kaushik Dave, recorded on Januar...
published: 30 Jan 2015
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14:59
Actinium Pharmaceuticals (NYSE MKT: ATNM)
"The RedChip Money Report: Small Stocks, Big Money" host Dave Gentry interviews Dr. Dragan...
published: 06 Nov 2014
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Actinium - Mimi
Dynamix 2.0 - Actinium by Mimi Disclaimer: I do not not own the material in this video an...
published: 09 Jan 2015
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Actinium - No Scared (One Ok Rock cover) @ Natsu no Hi 2014
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Actinium Pharmaceuticals: Two Potential Blockbuster Therapies
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published: 16 Dec 2014
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Actinium Pharmeceuticals (NYSE: ATNM): RedChip Global Online CEO Conference (July 16-17, 2014)
Presentation and Investor Q&A; with Dr. Kaushik Dave, President & CEO of Actinium Pharmaceu...
published: 24 Jul 2014
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7:07
WARNUNG! AC 348 =HOCHRADIOAKTIVES ACTINIUM in Flugzeugbehältern?!
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Aldeyra Therapeutics, Actinium Pharmaceuticals, Perritt Capital: The RedChip Money Report
"The RedChip Money Report: Small Stocks, Big Money" host Dave Gentry interviews Todd Brady...
published: 07 Aug 2014
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21:36
Cavan Stone - Building Th Bridges with Actinium-225 @ TEAC5
Ancillary Technologies like Actinium-225 can help traverse Thorium Energy's "Valley of Dea...
published: 16 Aug 2013
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1:16
Actinium Pharmaceuticals
Actinium Pharmaceuticals, Inc. (API) focuses on the development of cancer drugs primarily ...
published: 12 Jul 2012
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Actinium - Deeper Deeper (One Ok Rock cover) @ IMMG Doraemon Big Sale
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published: 30 Sep 2014
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1:07
Actinium Element Video
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published: 29 May 2014
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Actinium (play /ækˈtɪniəm/ ak-TIN-nee-əm) is a radioactive chemical element with the symbol Ac and atomic number 89, which was discovered in 1899. It was the first non-primordial radioactive element to be isolated. Polonium, radium and radon were observed before actinium, but they were not isolated until 1902. Actinium gave the name to the actinide series, a group of 15 similar elements between actinium and lawrencium in the periodic table.

A soft, silvery-white radioactive metal, actinium reacts rapidly with oxygen and moisture in air forming a white coating of actinium oxide that prevents further oxidation. As most lanthanides and actinides, actinium assumes oxidation state +3 in nearly all its chemical compounds. Actinium is found only in traces in uranium ores as the isotope 227Ac, which decays with a half-life of 21.772 years, predominantly emitting beta particles. One tonne of uranium ore contains about 0.2 milligrams of actinium. The close similarity of physical and chemical properties of actinium and lanthanum makes separation of actinium from the ore impractical. Instead, the element is prepared, in milligram amounts, by the neutron irradiation of 226Ra in a nuclear reactor. Owing to its scarcity, high price and radioactivity, actinium has no significant industrial use. Its current applications include a neutron source and an agent for radiation therapy targeting cancer cells in the body.




This page contains text from Wikipedia, the Free Encyclopedia - http://en.wikipedia.org/wiki/Actinium

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