(n.) The metallic base of alumina. This metal is white, but with a bluish tinge, and is remarkable for its resistance to oxidation, and for its lightness, having a specific gravity of about 2.6. Atomic weight 27.08. Symbol Al.
Example Sentences:
(1) Examination on day 9 and 15 the magaldrate group showed significantly (p less than 0.05) lower aluminium levels than the aluminium hydroxide group.
(2) Al added as AlCl3 or aluminium citrate had no effect, and there was no significant difference in the response of cells from renal failure patients with or without high serum Al levels or controls.
(3) These experimental results demonstrate that aluminium interferes with iron absorption and iron transfer, and suggest that these mechanisms may be responsible for maintaining and even increasing the anaemia observed in aluminium overload.
(4) The latter compounds were reduced with lithium aluminium hydride to the respective amines (II a-c) and then N-alkylated by reaction with 2-propynyl-, 2-butynyl- or 2,3-butadienyl bromides to the corresponding amines (III a-j).
(5) 47 children were immunized in 1968 and 1969 during the first year of life with 3 injections of aluminium free triple vaccine given with an interval of 4--6 weeks.
(6) Rabbits fed a cholesterol-rich diet developed atherosclerosis after 3 months and these rabbits possessed high concentrations of calcium, phosphorus and aluminium in the central nervous system, determined by neutron activation analysis.
(7) These findings suggest that although in rats with normal renal function aluminium absorption appears to be partly vitamin D dependent, 1,25(OH)2D3 does not further augment the enhanced gastrointestinal absorption of aluminium in uraemia.
(8) The entrance window is 12 microns Melinex foil with a thin aluminium surface.
(9) For inactivation of rad54-3 mutant cells, the r.b.e.-values relative to 60Co gamma-rays were 2.6 and 2.4 for carbon K and aluminium K X-rays, respectively.
(10) The absorption of factor VIII from gel filtration fractions, concentrates and plasma by aluminium hydroxide has been studied.
(11) Lymphocytes cultured in the presence of Al-Tf showed a dose-dependent uptake of Al, whereas uptake from aluminium citrate was low and not dose-dependent.
(12) Very small PVC particles, polymerized by the emulsion process, were mounted on an aluminium adhesive tape and pressed with a similar tape.
(13) The antibody responses of animals immunised with keyhole limpet hemocyanin (KLH) in Freund's Incomplete Adjuvant (FIA), diethylaminoethyl dextran (DEAE-dextran) and aluminium hydroxide (alum) were compared with the response to antigen administered in the absence of adjuvants.
(14) to aluminium chronic poisonning; the source of the aluminium intoxication is not aluminium containing phosphate-binding gels but intravenously administreted tape-water.
(15) Bile acids were extracted from serum samples by chromatography on Amberlite XAD-2 and, after alkaline or enzymic hydrolysis, purified by chromatography on aluminium oxide.
(16) As new aluminium equals energy use and environmental destruction, this raises the question: why can't computers be made from recycled aluminium, given that this uses 95% less energy?
(17) In a multicentre study, 146 peptic ulcer patients who had recently healed with H2 antagonists (38 gastric, 108 duodenal ulcers) received randomly for a year one of the following mucosal protecting antiulcer drugs: aceglutamide aluminium salt (AAL), zinc acexamate (ZAC) and magaldrate (MAG).
(18) It permits the absorption of aluminium in amounts similar to aluminium-containing antacids, and toxicity has been demonstrated in the presence of renal insufficiency.
(19) The method consisted first in preconcentrating the samples collected on immersed gauze pads, secondly in the concentration of the virus samples by the following methods-used either separately or in parallel: the Amberlite method, the yeast cell and the aluminium bydroxide concentration method.
(20) The concentrations of 17 trace elements (e.g., copper, cobalt, iron, manganese, chromium, silicon and magnesium) were determined in whole blood samples of 81 persons working with different welding methods on stainless steel or aluminium and 68 nonwelders.
Bauxite
Definition:
(n.) Alt. of Beauxite
Example Sentences:
(1) Logging, cattle farming and soy plantations are key, plus the increased construction of dams and road, and shifting patterns of farming for local people and mining (for diamonds, bauxite, manganese, iron, tin, copper, lead and gold).
(2) The book lets you know how sewage gets around under the city streets and how aluminium is made (you have to get bauxite from Jamaica, then ship it to a place with lots of electricity, like the Pacific north west).
(3) Hungary declared a state of emergency in three counties on Tuesday after the sludge, strongly caustic waste from bauxite refining, hit Kolontar, Devecser and other villages 100 miles west of the capital.
(4) Among the other campaign groups attacking the company was Survival International which continued to highlight Vedanta's efforts to mine bauxite in India's Niyamgiri hill , which an indigenous tribe considers to be sacred.
(5) Oil, gas, coal, aluminium, bauxite, nickel, iron ore, zinc, copper, grain, rice, sugar : Glencore and its subsidiaries have a hand not just in buying and selling all of these, but in producing, extracting and transporting them.
(6) Noel Pearson on Adam Goodes booing: Australia is ‘looking into the abyss’ Read more Yunupingu helped draft the first bark petition, presented to the Australian parliament in 1963 to protest bauxite mining on Yolngu land.
(7) Environmental groups accused MAL Zrt, the owner of the Ajkai Timfoldgyar alumina plant, of irresponsibility, and said they intended to block its plans to expand bauxite mining operations in Nyírád, a village in Veszprém county, western Hungary.
(8) What would happen if at some point in the future the Jamaican (or any other global south) government decided to nationalise what little bauxite (or other commodity) it has left, or to default on its IMF repayments?
(9) The opposition blames neglect and poor maintenance, while alleging mismanagement and corruption at struggling state-owned aluminium, iron and bauxite foundries in Bolivar.
(10) It's this understanding that allows us to continue to talk about money as if it were a limited resource like bauxite or petroleum, to say "there's just not enough money" to fund social programmes, to speak of the immorality of government debt or of public spending "crowding out" the private sector.
(11) Vedanta's alumina refinery is sourcing bauxite from other locations in the state, but even here it has been accused of wrongdoing.
(12) In general, levels of these and other metals were higher near a bauxite treatment plant.
(13) "Vedanta's planned bauxite mine in the holy mountain of Niyamgiri is a social and environmental disaster.
(14) The patients had worked in bauxite smelting for Al2O3 production and the preparation of synthetic abrasives (8 cases), in milling using synthetic abrasives (1 case) in the cold grinding of aluminium for paint production (3 cases) and in the electrolytic processing of aluminium (1 case).
(15) The authors examined a group of 40 miners who were being working at an Apulian bauxite mine, presently inactive.
(16) Concentrations of 226Ra, 232Th, and 40K measured in bauxite waste, local building materials, and soils are presented and used in model equations to estimate the effective gamma dose-equivalent increments over background in the center of a standard-sized room in a prototype house.
(17) The Dongria Kondh tribe yesterday appealed to Avatar director James Cameron to help them stop Vedanta from opening a nearby bauxite mine on their sacred land.
(18) Acetate hemodialysis alone, combined with hemoperfusion, or associated once a week with plasma-perfusion sessions using an activated bauxite cartridge, bicarbonate dialysis either in single pass or in recirculating system (40 L) and biofiltration, were the depurative treatments employed.
(19) A cross-sectional study of 1,142 male employees at the Arkansas Operations of a large aluminum production company examined the effect on pulmonary function of chronic exposure to total dust produced in the mining and refining of bauxite and the production of alumina chemicals.
(20) Instead it depicts – in a style that is socialist realist in inspiration – the figure of a miner in big boots and helmet, weight behind a drill, marking the passing of the region's bauxite mines, the last of which closed in 1990.