Fortunately a team from the University of Maryland has discovered a cleaner replacement for PZT, bismuth samarium ferrite (BSFO). From Wordnik.com. [Sustainable Design Update » Blog Archive » Making Electronics More Environmental Friendly] Reference
China controls up to 97% of world production of these elements — which include samarium, scandium and yttrium — and its export quotas for this year are nearly exhausted. From Wordnik.com. [Rare Earth Shortages Hit Germany] Reference
It sold neodymium and samarium, which form the basis of extraordinarily powerful magnets needed for precision-guided missile systems and the batteries used in hybrid or electric vehicles. From Wordnik.com. [China increasing economic leverage by limiting 'rare earths' exports] Reference
After receiving his M.S. he stayed on at Tsinghua University as a research assistant of Professor C.H. Wong and carried out the x-ray structure determination of tricyclopentadienyl samarium. From Wordnik.com. [Yuan T. Lee - Biography] Reference
This resulted in geochemists realizing that the Earth, the Moon, and Mars all have lithic compositions that contain anywhere from five to eight percent more neodymium and samarium than the chondritic meteorites do. From Wordnik.com. [New Notions of Earth's Origins Needed, Says Geochemist] Reference
A closer comparison and analysis of the two very similar elements samarium and neodymium followed, as their half-lives provide insight that allow geochemists to mentally reconstruct the formation of the solar system. From Wordnik.com. [New Notions of Earth's Origins Needed, Says Geochemist] Reference
The results come back that this Stuff is an odd combination of samarium and cobalt. From Wordnik.com. [Lockergnome] Reference
When I say magnet alloy, they make neodymium iron boron, they make samarium cobalt. From Wordnik.com. [SeekingAlpha.com: Home Page] Reference
During laboratory tests, the samarium glass released infrared energy at a wavelength of. From Wordnik.com. [PhysOrg.com - latest science and technology news stories] Reference
IBM Journal of Research, describing a samarium-based laser working in optical wavelengths. From Wordnik.com. [Latest Science News Features, Blog Entries, Column Entries, Issues, Articles and Book Reviews] Reference
Light rare earths (LREO) refers to the elements lanthanum to samarium, expressed as oxides. From Wordnik.com. [Latest News - Yahoo!7 News] Reference
Some of the more common ones include samarium-neodymium, rhenium-osmium, and lutetium-hafnium. From Wordnik.com. [Reasons to Believe -] Reference
The fins that steer precision bombs, for instance, have samarium-cobalt permanent magnet motors. From Wordnik.com. [U.S. Scrutinizes Beijing's Hold on Key Metals - WSJ.com] Reference
Instead, they determined the age of the rocks from the amounts of neodymium and samarium, two rare earth elements. From Wordnik.com. [Alanat News] Reference
Investors may never have heard of tantalum, neodymium or samarium, but they play an important role in the world's economy. From Wordnik.com. [The Other Metal Superstars] Reference
In 1966 Dr. Karl J. Strnat developed the samarium cobalt magnet and that changed the magnet industry and all of our lives forever. From Wordnik.com. [SeekingAlpha.com: Home Page] Reference
In 1902, Czech chemist Bohuslav Brauner hypothesized that there should be an element between neodymium and samarium (numbers 60 and 62). From Wordnik.com. [CreationWiki - Recent changes [en]] Reference
The previously accepted age of 4.51 billion years old was calculated in 1995 by measuring radioactive isotopes of samarium and neodymium. From Wordnik.com. [Latest Science News Features, Blog Entries, Column Entries, Issues, Articles and Book Reviews] Reference
Aegis SPY-1 radar, also on DDG-51 destroyers, containing samarium cobalt magnets that will need to be replaced during its 35-year lifetime. From Wordnik.com. [Bloomberg] Reference
Cutting-edge weapon technologies are classified, but the GAO said the M1A2 Abrams tank and the Aegis Spy-1 radar both rely on chinese samarium. From Wordnik.com. [Telegraph.co.uk: news, business, sport, the Daily Telegraph newspaper, Sunday Telegraph] Reference
Electron Energy Corporation is a worldwide leader in samarium cobalt magnet production and offers design services and rare earth magnet assemblies. From Wordnik.com. [Business Wire Travel News] Reference
The Bear Lodge project contains predominantly the "light" REE (lanthanum, cerium, praseodymium, neodymium, and samarium), and the first four of these in particluar. From Wordnik.com. [The Earth Times Online Newspaper] Reference
Rare earth minerals, a group of 17 metals that includes neodymium, samarium and dysprosium, are used in military hardware such as missile guidance and radar systems. From Wordnik.com. [BusinessWeek.com -- Top News] Reference
The magnets can be made from rare-earths neodymium and samarium, although they are extremely brittle and also vulnerable to corrosion, so are usually plated or coated. From Wordnik.com. [Home | Mail Online] Reference
A special rare-earth magnetic material, samarium-cobalt (SmCo), is used with the Onyx's platinum magnets, and Koetsu precisely grinds the Onyx's specially designed stylus. From Wordnik.com. [HomeToys News] Reference
It cited several specific weapons systems, including the M1A2 Abrams tank, which has a navigation system that uses samarium cobalt magnets with samarium metal from China; the DDG. From Wordnik.com. [BusinessWeek.com --] Reference
Among them are toxic elements, such as aluminum, arsenic, samarium and thallium, as well as the trace elements necessary for life, including calcium, iron, magnesium, and phosphorus. From Wordnik.com. [RedOrbit News - Technology] Reference
Ninety per cent of rare earth elements, with arcane names such as yttrium, samarium and lanthanum, are mined in China, and are used in high-tech applications such as smartphones and lasers. From Wordnik.com. [canada.com Top Stories] Reference
The researchers incorporated heavy metal and alkali/alkaline earth elements such as lead, bismuth, gallium, lithium, potassium, and barium in an oxide glass doped with trivalent samarium rare earth ion. From Wordnik.com. [PhysOrg.com - latest science and technology news stories] Reference
Among oxide glasses, the maximum phonon energy of these materials is nearly the lowest, which may induce multi-channel fluorescence emissions and obvious enhancement of quantum efficiencies of samarium ions. From Wordnik.com. [PhysOrg.com - latest science and technology news stories] Reference
By measuring minute variations in the isotopic composition of the rare earth elements neodymium and samarium in the rocks, O'Neil and Carlson determined that the rock samples range from 3.8 to 4.28 billion years old. From Wordnik.com. [Scientific Blogging] Reference
They measured tiny variations in the isotopes (or species of an element that have different numbers of neutrons) of the rare earth elements neodymium and samarium in the rocks and determined that the samples were from. From Wordnik.com. [Latest Articles] Reference
1. 4%, praseodymium as high as 0. 30%, samarium as high as 0. 38%, europium as high as 0. 08%, gadolinium as high as 0. 20%, terbium as high as 0. 03%, and dysprosium as high as. From Wordnik.com. [The Earth Times Online Newspaper] Reference
Dysprosium, neodymium, praseodymium, samarium, terbium. From Wordnik.com. [Space Business and Industry News at SpaceMart.com] Reference
The other lanthanoids are lanthanum, cerium, praseodymium, promethium, samarium, europium, gadolinium, terbium, holmium, erbium, thulium, ytterbium and lutetium. From Wordnik.com. [Purchasing - Top Stories] Reference
LearnThatWord and the Open Dictionary of English are programs by LearnThat Foundation, a 501(c)3 nonprofit.
Questions? Feedback? We want to hear from you!
Email us
or click here for instant support.
Copyright © 2005 and after - LearnThat Foundation. Patents pending.