Research topic:thulium

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Periodic Table of the Elements: Thulium

The Columbia Encyclopedia, Sixth Edition | 2008 | The Columbia Encyclopedia, Sixth Edition. Copyright 2008 Columbia University Press. (Hide copyright information) Copyright

Periodic Table of the Elements: Thulium

Periodic Table of the Elements: Thulium
Atomic Number: 69
Atomic Symbol: Tm
  Thulium
Atomic Weight: 168.9342
Electron Configuration: 2 · 8 · 18 31 · 8 · 2

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Thermal Damage During Thulium Laser Dissection of Laryngeal Soft Tissue Is Reduced With Air Cooling: Ex Vivo Calf Model Study
Magazine article from: The Annals of Otology, Rhinology & Laryngology; 11/1/2007; ; 700+ words ; Objectives: The 2-m-wavelength thulium laser has recently been shown to be an...temperature changes and thermal trauma during thulium laser dissection of laryngeal tissue...model. Methods: A continuous-wave thulium laser (400-m fiber, 4-W continuous...
Office-Based and Microlaryngeal Applications of a Fiber-Based Thulium Laser
Magazine article from: The Annals of Otology, Rhinology & Laryngology; 12/1/2006; ; 700+ words ; ...diode-pumped solid-state laser with a thulium-doped yttrium-aluminum-garnet laser...cases to explore applications of the new thulium laser. Thirty-two procedures were done...microlaryngoscopy in 7 cases. Results: The thulium laser was used effectively in all cases...
CHINA TO CAP 2009 THULIUM EXPORT AT AROUND 80,000 TONS.
News Wire article from: AsiaPulse News; 10/16/2008; 700+ words ; ...s Ministry of Commerce has begun accepting thulium export applications as of October 14. Thulium is the least abundant of the rare earths...luster and can be cut by a knife. Natural thulium has possible use in ferrites (ceramic magnetic...
Thulium Fiber Lasers.(SBIR)
Magazine article from: Fiber Optic Sensors and Systems; 5/1/2008; 700+ words ; ...has a requirement for one (1) 20W Thulium Fiber Laser with the specifications provided below and one (1) 40W Fiber Thulium fiber Laser with the specifications...W Linearly Polarized Single-mode Thulium Fiber Laser --Specification: Mode...
Exports of thulium down 3.6 percent in first three quarters: customs
News Wire article from: Xinhua News Agency; 11/5/2005; 318 words ; Exports of thulium down 3.6 percent in first three quarters...5 (Xinhua) -- China's exports of thulium declined to 50,400 tons in the first...Resources newspaper reported that the thulium exports of Jiangsu Province in East China...
Thulium laser versus standard transurethral resection of the prostate: A randomized prospective trial.(Uroscan)(Clinical report)
Magazine article from: Indian Journal of Urology; 7/1/2008; ; 700+ words ; ...to receive either a TURP (n = 48) or Thulium Laser Prostatectomy (n = 52). All patients...prospective trial the authors have compared Thulium laser prostatectomy (ThLRP) to TURP...loss and hospital stay in favor of the Thulium laser. Unlike KTP, ThLRP retrieves prostatic...
StockerYale, Inc. Introduces New Thulium-Doped Optical Fiber Product Line.
Business Wire; 6/11/2008; 700+ words ; ...today announced the availability of a new thulium-doped ("Tm-doped") optical fiber...neodymium-doped fiber products, the new thulium-doped fiber, TDF-1940-6/125...additional information on StockerYale's new thulium-doped fiber, please contact: Kevin...
Arizona Inventor Develops Thulium-Doped Heavy Metal Oxide Glasses
News Wire article from: US Fed News Service, Including US State News; 11/24/2007; 423 words ; ...tellurite and bismuth oxide glasses provides a host for highly efficient Thulium doped 2 micrometer (mum) oxide glass and fiber lasers. The concentration of Thulium ions is high enough that energy transferred by the phenomenon of cross-relaxation...
Nufern Launches First Highly Efficient Thulium-doped Double-Clad Fiber; Expands Ytterbium-doped Fiber Product Line, Including Triple-clad Fiber Design.
PR Newswire; 1/24/2005; 700+ words ; ...laser and amplifier modules and specialty optical fibers, announced today the first in a new generation of highly efficient Thulium-doped (Tm-doped) double-clad fibers for operation around the eye safe 2 um wavelength, as well as an expansion of...
StockerYale, Inc. Receives Follow-on Development Order from Leading Defense Contractor for Thulium-Doped Fiber Laser.
Business Wire; 8/14/2008; 700+ words ; ...had received a follow-on development order from one the world's largest defense contractors for the Company's pulsed Thulium Doped Fiber Laser (TDFL). Financial details of the follow-on order were not disclosed. Purchased as part of StockerYale...

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Thulium (revised)
Book article from: Chemical Elements: From Carbon to Krypton THULIUM (REVISED) Note: This article, originally...in 2006 for the eBook edition. Overview Thulium was given its name in honor of the earliest...process, nine new elements, including thulium, were discovered. The chemical family...
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Book article from: Chemistry: Foundations and Applications Thulium melting point: 1,545 ° C boiling...cm 3 most common ion: Tm 2+ , Tm 3+ Thulium is a silver-grey metal with a bright...substance he named "thulia" — a thulium oxide. The element's name is derived...
thulium
Book article from: The Columbia Encyclopedia, Sixth Edition thulium [from Thule, an ancient name for Scandinavia...deg;C; sp. gr. 9.3; valence +3. Thulium is a soft, malleable, ductile, lustrous...The oxide, Tm 2 O 3 , is called thulia. Thulium is the least abundant of the rare-earth...
Periodic Table of the Elements: Thulium
Book article from: The Columbia Encyclopedia, Sixth Edition Periodic Table of the Elements: Thulium Periodic Table of the Elements: Thulium Atomic Number: 69 Atomic Symbol: Tm Thulium Atomic Weight: 168.9342 Electron Configuration: 2 · 8 ·&thinsp...
Lanthanides
Book article from: Science of Everyday Things ...Dysprosium (Dy) Holmium (Ho) Erbium (Er) Thulium (Tm) Ytterbium (Yb) Lutetium (Lu...rarity, the scarcest of the lanthanides, thulium, is more abundant than either arsenic...In terms of parts per million (ppm), thulium has a presence in Earth's crust equivalent...

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