These include lead, aluminium, arsenic, mercury, cadmium, gold, bismuth, antimony, and beryllium. |
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These alloys are very toxic and dangerous if beryllium fumes are not captured and exhausted by proper ventilating equipment. |
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Charmed hadrons are produced by the interaction of high energy photons with a segmented beryllium oxide target. |
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Oxygen is able to embrittle beryllium, but there is no quantitative measure of the effect. |
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This generator is a small pellet of polonium and beryllium, separated by foil within the fissionable fuel core. |
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Wrought beryllium copper tools were almost as durable as similarly designed steel tools, but were non-sparking and non-magnetic. |
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Her history included a relatively short period of exposure to a mixture of silica, hard metal, and beryllium. |
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The presence of alloying elements such as beryllium, chromium, silicon, and aluminum modifies the nature of the oxide, making it more tenacious. |
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The most important precipitation-hardening reactions are obtained with beryllium, chromium, boron, nickel, silicon, and zirconium. |
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First, to prove beryllium could diffuse into corundum and create a color change, he heated pink sapphires with beryllium and got yellow rims. |
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His recovery of the rare and vital ores of tantalum, lithium, and beryllium greatly aided the War Production Board. |
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In the 1990s the state led the nation in beryllium and Gilsonite production. |
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In certain cases, small metallic atoms, like boron and beryllium, may enter into restricted interstitial solid solutions. |
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This false color image shows an ultracold plasma of 26,000 beryllium ions fluorescing when hit by a laser pulse. |
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Berylliosis occurs in both acute and chronic forms. In some cases, appearance of the disease may be delayed as much as 20 years after exposure to beryllium. |
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The powder is usually fabricated by the mechanical commutation of vacuum-cast ingots of magnesium-reduced beryllium pebbles or electrolytically produced beryllium flakes. |
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It is very likely that several industries will have to clean or decontaminate their workplaces due to the presence of beryllium. |
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A form of pneumoconiosis, berylliosis, or beryllium poisoning, is a systemic granulomatous disorder with dominant pulmonary manifestations. |
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Elements such as lead, tellurium, beryllium, chromium, phosphorus, and manganese have little or no effect on the corrosion resistance of coppers and binary copper-zinc alloys. |
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Beryllium patch test establishes only hypersensitivity to beryllium, not the presence of disease. |
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Beryllium is found as the mineral beryl, a beryllium aluminum silicate. |
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The diagnosis of berylliosis is based on the person's history of exposure to beryllium, the symptoms, and characteristic changes on a chest x-ray. |
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The reactive elements contained in alloys such as magnesium, strontium, sodium, calcium, beryllium, and titanium are also factors in oxide formation. |
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The cores last many years, with reactivity decreases in fuel compensated for by the addition of beryllium reflector shims. |
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Pure beryllium is obtained by reduction of beryl or by electrolyse of the beryllium chloride. |
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In vitro lymphoblast transformation test diagnoses berylliosis and monitors workers for occupational exposure to beryllium. |
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All of the beryls are aluminum beryllium silicates, and have a hardness of 7.5 to 8 on the Mohs scale. |
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It belongs to the group of beryls and is composed of silicate of aluminium and beryllium. |
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Aluminosilicate of beryllium of the traces of manganese and lithium he gives his pink colour It belongs to the group of beryls. |
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Alloys of beryllium with copper and nickel have excellent electrical and thermal conductivities. |
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The solubilization of beryllium using our dissolution procedure was evaluated on different products. |
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For beryllium determination, only non-isobaric type interferences are present. |
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As a result of this trend, beryllium oxide is actually amphoteric, rather than basic, whereas barium oxide is strongly basic. |
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Magnesium is also used as a reducing agent in the production of titanium, beryllium, zirconium, hafnium and uranium. |
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Apart from heavy metals such as lead and mercury, there are quantities of arsenic, beryllium, cadmium and polyvinyl chloride to be found. |
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Zircatec also stated that it has eliminated the use of hazardous chemicals such as beryllium and trichloroethylene from it process. |
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The substitution of cadmium and cadmium oxide in thick film pastes used on aluminium bonded beryllium oxide is currently not practicable. |
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Families of beryllium workers and people who live near plants where beryllium alloy is used are also at risk for berylliosis. |
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Absorption of beryllium through broken skin produces an itchy rash that usually subsides within 2 weeks after exposure. |
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Beryllium has been used in the past as beryllium copper in connectors of various sorts. |
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The area was drilled out and a beryllium copper insert was introduced into the block. |
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Ready-made and hand-soldered using premium HICON 4 mm hollow pin connectors with beryllium coating. |
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Aluminum, beryllium and magnesium are good examples of substrates where use of a displacement film prior to electrodeposition will provide superior adherence. |
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Reducing the number of beryllium ions in the trap will boost the sensitivity further, the researchers say, and, with a single beryllium ion, it should be possible to measure a single yoctonewton. |
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The DOE has a special interest in controlling the hazards of beryllium because of its widespread use in nuclear operations and processes. |
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The commercially available thick copper metallization system on A1N offers environmental advantages over beryllium oxide substrates. |
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We next asked if cutaneous application of beryllium would initiate a beryllium-specific, cell-mediated immune response in mice. |
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A half-inch bar of beryllium, normally a very hard and brittle metal, has been easily bent 360° by hand after float zoning in a high vacuum using an electron beam to produce the molten zone. |
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Although provincial compensation data indicate that chronic beryllium disease has not been commonly reported, this condition may have been under-recognized and sometimes misdiagnosed as sarcoidosis. |
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The 15 chemicals at issue are acetone, anthracene, barium, beryllium, carbon disulfide, 4-chloroaniline, diazinon, fluoranthene, manganese, methyl ethyl ketone, nitrate, nitrite, phenol, pyrene and silver. |
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Urinalysis may show beryllium in urine, but this only indicates exposure. |
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In vitro dissolution characteristics of beryllium oxide and beryllium metal aerosols. |
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But a better way is to turn the element into its fluoride, mix that with fluorides of beryllium and lithium to bring its melting-point down from 1,110ºC to a more tractable 360ºC, and melt the mixture. |
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These accelerators generate neutrons by bombarding beryllium targets with either protons or deuterons. |
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The samples consisted of enriched membranes for the soluble form of beryllium, and quantities of beryllium weighed on a membrane for the insoluble forms, all subjected to the entire analytical procedure. |
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He devised a simple apparatus that consisted of a cylinder containing a polonium source and beryllium target. |
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For example, beryllium is known to cause berylliosis. |
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The new tube has a thinner beryllium window so a compensating beryllium filter was added to reproduce the half-value layer of the old 10 kV radiation quality. |
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Thus, a study from 1977 revealed that some metals, such as barium, beryllium, cadmium, cobalt, copper, manganese, strontium, vanadium and zinc, were then present in the aquatic plants in high concentrations. |
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The whole assembly is then welded around the equator, and the beryllium cladding providing the tamper and reflector layers attached to the outer surface. |
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This entry includes waste and scrap containing beryllium as defined above. |
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It is ineffective for solubilizing beryllium in minerals such as Beryl. |
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Some of the instruments that detect gamma rays are beryllium crystals the size of beer cans that had to be made to work under a range of temperatures spanning hundreds of degrees. |
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The only way this could have been harder is if I had set myself on fire, swapped the needle for an uncooked sausage and tried to knit the things out of beryllium on a yacht in a typhoon. |
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In 1928, Walter Bothe observed that beryllium emitted a highly penetrating, electrically neutral radiation when bombarded with alpha particles. |
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These objects are made from substances such as glass, alumina, zirconia, silica, magnesia, lime, beryllium oxide, and ferric oxide. |
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Among the substances are beryllium, carbon tetrachloride, carboxylic acid amides, lead and its inorganic compounds, and nickel. |
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Omnetics' nano-pin and socket system includes a beryllium copper spring pin with specific annealing to provide high contact strength and low contact resistance. |
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In order to aim the X rays at the correct angle, they replaced the usual sample holder made of rhenium with one made of beryllium, through which X rays can pass. |
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In Germany, Walther Bothe and his student Herbert Becker had used polonium to bombard beryllium with alpha particles, producing an unusual form of radiation. |
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DiaTherm offers thermal conductivity three times that of copper, a common heat sink, and five times greater than aluminum nitride or beryllium oxide, common heat spreaders. |
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The technology will be utilized on select beryllium metal and aluminum beryllium composite products manufactured by Brush Wellman's Beryllium Products unit. |
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The National Mining Association provides data pertaining to coal and minerals that include beryllium, copper, lead, magnesium, zinc, titanium and others. |
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