Corrosion of oxide dispersion strengthened iron - chromium steels and
tantalum in fluoride salt coolant: An in situ compatibility study for fusion and fusion - fission hybrid reactor concepts
As corporations increasingly rely on contractors for core parts of their business, they are held responsible by ethically minded consumers for actions further back in the supply chain - even the provenance of the mineral
tantalum in their electronic devices like smartphones.
Not exact matches
General Mining Corporation shares fell sharply today after the company announced revised terms for the acquisition of an interest
in Galaxy Resources» Mt Cattlin
tantalum project near Ravensthorpe.
Philips, one of the largest electronics companies
in the world, sources major quantities of raw materials, including tin,
tantalum, tungsten and gold.
The company's gold division, despite the strong rise
in the bullion price, remains second - rate and most of this year's forecast pre-tax and pre-interest profit of $ 132 million (up 12 per cent on 2003) will come from
tantalum.
Global stockpiles are always an issue when markets turn and there is no accurate measure of how much
tantalum is sitting
in Yokohama warehouses.
«Back to around the 2000 peak,» is one comment from a senior executive of NEC Tokin Corporation, a major user of
tantalum, which has peculiar properties making it the best metal for switching electronic signals
in small devices.
AUSTRALASIAN Gold Mines NL has given the green light to a project to commission a pilot mining and treatment operation at its Dalgaranga
tantalum project
in WA by October.The Perth - based company has completed a study to establish a pilot operation,...
The system received 510 (k) clearance from the FDA
in January 2018 and is comprised of a porous biomaterial made from elemental
Tantalum with structural, functional and physiological properties similar to cancellous bone.
Tin mining commenced
in the Greenbushes area
in 1888 and mining of
tantalum commenced
in the 1940s.
Mustang has optioned 100 % of the mineral rights from
Tantalum Mining Corporation of Canada Ltd. («Tanco»)
in return for a 2 % net smelter royalty and a commercial right retained by Tanco to purchase products produced from the property.
To that end, it recently announced the purchase of Holy Stone Polytech Co., a manufacturer of
tantalum capacitors based
in Japan, for roughly $ 21 million
in cash.
In this experiment, the scientists shocked a piece of
tantalum foil with a pulse from an optical laser.
The dealloying forms two distinct phases: one enriched
in tantalum that is less soluble
in the copper liquid metal and the other enriched
in copper.
Richard Schrock, a chemist now at the Massachusetts Institute of Technology
in Cambridge, and colleagues changed that picture
in the early 1970s when they came up with a series of molybdenum -, tungsten -, and
tantalum - based catalysts that were highly active and efficient.
Trace elements are increasingly widely used
in the high - tech and medical sectors — for example, the transition metal
tantalum and the semimetal germanium
in electronic components, niobium and titanium
in alloys and coatings, or gadolinium as a contrast medium and
in luminous paints.
Electrons moving through a crystal usually scatter when they hit an impurity, which slows their progress, but the topological effects
in Hasan's
tantalum arsenide crystals allow electrons to travel unimpeded.
«
Tantalum is used
in every electronic device there is,» says Jack Lifton, an independent consultant specializing
in technology metals.
This property makes
tantalum perfect for producing the electricity - storing capacitors ubiquitous
in the circuit boards of computers, digital cameras, and cell phones.
In December the mining firm Talison suspended operations at an Australian quarry that was the largest tantalum mine in the world, partially because of coltan smugglin
In December the mining firm Talison suspended operations at an Australian quarry that was the largest
tantalum mine
in the world, partially because of coltan smugglin
in the world, partially because of coltan smuggling.
Yazdani and his colleagues discovered the odd behavior while studying electrons
in a crystal made of layers of
tantalum and arsenic.
The DRC produces half the world's cobalt, used
in batteries, and is also an important source of gold and the «three Ts» — tungsten, tin and
tantalum — which are present
in the capacitors and circuitry
in phones.
IBS scientists
in collaborations with researchers led by Nohyun Lee (Kookmin University), Hyo - Cheol Kim (Seoul National University Hospital) designed nanoparticles with a shell made of silica (SiO2) and a core of radiopaque
tantalum oxide (TaOx).
A novel nanostructured material based on
tantalum oxide could make possible non-volatile crossbar array memories that store up to 162 gigabits
in 3 - D memory stacks.
Using the Center for Nanoscale Materials, a DOE Office of Science user facility at Argonne, they built a constricted wire out of a three - layered structure
in which a tiny layer of magnetic material is sandwiched between
tantalum and
tantalum - oxide layers.
The memories are based on
tantalum oxide, a common insulator
in electronics.
In making the material, the researchers found the
tantalum oxide gradually loses oxygen ions, changing from an oxygen - rich, nanoporous semiconductor at the top to oxygen - poor at the bottom.
In a first - of - its - kind series of computer simulations focused on metal
tantalum, the team predicted that, on reaching...
Known specimens were The Greenbushes
tantalum - tin - lithium deposit is located ~ 250 km south of Perth
In Western Australia (#Location: 33 ° 51» 23S, 116 ° 3» 48E).
The Greenbushes
tantalum - tin - lithium deposit is located ~ 250 km south of Perth
In Western Australia (#Location: 33 ° 51» 23S, 116 ° 3» 48E).
, published on the website < http://planetasustentavel.abril.com.br/noticia/ambiente/quando-recursos-minerais-se-esgotarao-648952.shtml >, based on information from the US Geological Survey, the US government agency responsible for geological research that crossed information on the annual consumption, mineral reserves available on the planet and its predictable extinction: 1) Platinum (use
in surgical materials)-- Extinction by 2049; 2) Silver (use
in the manufacture of mirrors and cutlery)-- Extinction
in 2016; 3) Copper (use
in wire and cable and air conditioning ducts)-- Extinction
in 2027; 4) Antimony (use
in remote controls and other materials to increase strength)-- Extinction 2020; 5) Lithium (use
in cell phone batteries, laptops and video games)-- Extinction
in 2053; 6) Phosphorus (use
in agricultural fertilizers)-- Extinction
in 2149; 7) Uranium (use for electric power generation)-- Extinction
in 2026; 8) Indian (use
in smartphones and tablets touch screen screens)-- Extinction
in 2020; 9)
Tantalum (use
in cameras lenses)-- Extinction
in 2027; 10) Nickel (use
in metal alloy coating, electronics such as cell phones)-- Extinction
in 2064; 11) Tin (use
in coating metal alloys, such as those used
in the soft drink cans)-- Extinction 2024; 12) Lead (use
in car batteries and trucks and welds and bearings)-- Extinction
in 2015; 13) Gold (use as jewelry and computer microchips)-- Extinction
in 2043; 14) Zinc (use to cover alloys, preventing rust that destroy objects like coins)-- Extinction
in 2041.
Well, while vibranium is fake,
tantalum, which is used
in smartphones, is real.
However, since collecting
Tantalum can be such a precarious process, you'll often have to replay levels multiple times just to progress further
in the game.
This creates a frustrating combination of elements that results
in losing
Tantalum nearly as quickly as it it's gained.
Coltan is a metallic ore that contains
tantalum, a key component
in the capacitors found
in most electronic devices.
The law is clearly aimed at minerals coming out of the Democratic Republic of Congo, which is rich
in minerals used
in electronics, such as
tantalum and coltan.
Coltan is used to produce the element
tantalum, an integral element
in the capacitors that are used
in almost all cell phones, laptops and other electronic devices.
Other minerals that can be found
in solar modules are: copper, silver, cadmium, gold,
tantalum, tungsten and tin.
Of the minerals mentioned above, gold,
tantalum, tungsten and tin are classified as conflict minerals; a topic widely covered by Ethical Consumer - see our feature on conflict minerals
in our special report into the Electronics Industry.
These minerals are processed into metals such as tin and
tantalum, which are used
in the manufacture of mobile phones.
With most domestic appliances having electronic elements these days, Ethical Consumer expects all companies
in this sector to have a policy on the sourcing of the conflict minerals (
tantalum, tin, tungsten and gold) which are key components of electronic devices.
The mining of some tin,
tantalum, tungsten and gold used
in mobile phones has been linked to conflict
in the Democratic Republic of the Congo.»
Over the last 15 years, Global Witness has investigated the links between the lucrative trade
in tin,
tantalum, tungsten and gold and armed conflict
in eastern Congo.