How To Use Alumina In A Sentence

Furthermore, restricting intraluminal sodium concentration in jejunal perfusion does not seem to limit glucose absorption.
The basic approach is to apply a slurry of fine alumina powder to a model of the tooth stub.
Ceramic stick: Production Process for dry - pressed alumina high - performance stability, good densification.
A cellulose-based paste is being applied to the gypsum deposits followed by a micro-sanding with fine alumina powder.
In alumina ceramics, what is the function of the ceramic component?

They contain lithium-aluminate pellets lined with zirconium, and are clad into long pencil-shaped, stainless steel rods. Robert Alvarez: Future Supply of New Tritium Explosive for U.S. Nuclear Weapons in Doubt
The rare-earth aluminate compounds Pan will study under his CAREER Award offer the possibility of developing new materials that may be used to fabricate not just optical circuits, but efficient white LEDs. Nano Tech Wire
Middle Ages, also, were called montes, as, for example, the "mons aluminarius", which operated the alum deposits of Tolfa. The Catholic Encyclopedia, Volume 10: Mass Music-Newman
This alloy has the closest thermal expansion match to alumina, beryllia, and vitreous glass
Probably the alumen referred to by Pliny, as exuding from the earth, was sulphate of alumina, without potash or soda, a salt not easily crystallized, but as effective, in many cases more effective, in the operations of dyeing, as alum, which is attested by the preference given to this salt over alum for many purposes at the present day. Museum of Antiquity A Description of Ancient Life
The use of subacetate of lead should, in all cases, be followed by the addition of "alumina cream" (aluminic hydrate suspended in water) [2] in about double the volume of the subacetate solution used, for the purpose of completing the clarification, precipitating excess of lead, and facilitating filtration. Scientific American Supplement No. 822, October 3, 1891
A big chunk of pink silicate (lithium aluminate, no doubt, he mused); broke free, fell to the ground. Sentenced To Prism
Kistler later prepared aerogels from many other materials, including alumina, tungsten oxide, ferric oxide, tin oxide, nickel tartarate, cellulose, cellulose nitrate, gelatin, agar, egg albumen, and rubber.
It has three distinct stages of processing - bauxite mining, alumina refining and ingot smelting.
The hardness of black silicon carbide is greater than fused alumina but less than synthetic diamond.
Composite organic additions offer sufficient plasticity and dry strength to high - alumina body.
In general, the corrosion rate of the alumina refractory and the chrome refractory in the iron phosphate melts was not higher than their corrosion rate in the DWPF melt.
At higher ph values, higher rates of soluble aluminate ions form. 3. Technologies
The results indicate that high sphericity and smooth-faced alumina based ceramic microspheres can be obtained by twice sintering process.
Seam 4A has a much higher content of alumina than the other seams, which may suggest that the detrital input into this coal mire contained a greater proportion of bauxitic weathering products than the other coals.
It is the excellent wear characteristics of alumina which are the principal advantage in artificial hip systems.
For soil fertility, I used bases/alumina molar ratios as a chemical index of soil fertility suitable for paleosols.
The pieces were passed through aluminate of soda at 18° B., then through ammonium chloride, washed, dyed with garancin, taken through an oil-bath, dried and steamed for an hour, and were finally cleared in the ordinary manner for Turkey-reds. Scientific American Supplement, No. 286, June 25, 1881
The beryl is a compound of silicates of beryllia and alumina, with the formula 3BeOSiO_ {2} + Al_ {2} O_ {3} ,3SiO_ {2}, or The Chemistry, Properties and Tests of Precious Stones
Some back-arc basalt samples from the East Scotia Sea have high alumina characteristics, suggesting the involvement of subduction-modified mantle sources in their petrogenesis.
Chloride tungsten or titanium passed through hot tube, depositing a film of metal on the carbon; or filaments of zirconia oxide, or alumina or magnesia, thoria or other infusible oxides mixed or separate, and obtained by moistening and squirting through a die, are thus coated with above metals and used for incandescent lamps. Edison, His Life and Inventions, vol. 2
These shistose pyrites being composed principally of coal, flint, alumina, and sulphuret of iron — the latter in excess — it was necessary to separate the sulphuret of iron, and transform it into sulphate as rapidly as possible. The Mysterious Island
Lower doses of metronidazole are often effective in invasive disease but may fail to eliminate the intraluminal infection, allowing clinical relapses to occur.
Potroom asthma has been recognized for many years in workers employed in the production of aluminum smelting, where the alumina is partially dissolved in an electrolyte of molten cryolite at about 960°C.
The most common causes of this syndrome are extrinsic compression of the superior vena cava and intraluminal venous thrombosis.
Alternatively, the ceramic material can be made by mixing silicon oxide, lithium aluminate, and, if desired, lithium carbonate, and calcining the mixture.
The term clay refers to a number of earthy materials that are composed of minerals rich in alumina, silica and water. Clay
This copper oxide layer may retard the subsequent formation of a dense and protective alumina layer.
Pleasingly, the residual thiophenol could be readily removed without silyl ether hydrolysis via passage of the product through a pad of basic alumina.
The commonly brick, semisilica brick , brick, high - alumina brick, chrome brick, magnesia brick, carbon brick, etc.
Refractory bricks for steel production include Basic refractory bricks and High-Alumina refractory bricks.
The calcium sulphate combines with the alumina of the cement, forming calcium sulpho-aluminate, which causes swelling and cracking of the concrete, and in cements containing a high proportion of alumina, leads to total destruction of all cohesion. The Sewerage of Sea Coast Towns
Amorphous alumina-silica composites are used to crack or split hydrocarbon chains in petroleum refining.
The carbothermal reduction nitridation reaction was promoted greatly after the milling of alumina for 20 hours.
Obstruction of the cystic duct causes the intraluminal pressure within the gall bladder to increase and, together with cholesterol supersaturated bile, triggers an acute inflammatory response.
The silica, alumina, and iron come from sand, clay, and iron ore.
The beryl is a stone composed of silica, alumina, and glucina. The Catholic Encyclopedia, Volume 14: Simony-Tournon
It is the excellent wear characteristics of alumina which are the principal advantage in artificial hip systems.
Considering the enhancement of alumina production process, key research topics about the structural characters and decomposition mechanism of supersaturated sodium aluminate solution are put forward.
In order to effect this reduction, much of the sodium oxide added as a flux is replaced by boric oxide and some of the lime by alumina.
It is a siliciferous subsulphate of alumina and potash, a compact feldspar, with the addition of sulphuric acid completely formed in it. Travels to the Equinoctial Regions of America
The burning microporous alumina-carbon brick has good service performance and is a new quality refractory for the area from hearth to middle part of stack.
They whipped up a mixture of zirconium, magnesium aluminate, and alumina that offers unusual ductility: it can bend and stretch.
Furthermore, restricting intraluminal sodium concentration in jejunal perfusion does not seem to limit glucose absorption.
In many cases of high grade sugars, especially beet sugars, the use of alumina alone will be sufficient for clarification without the previous addition of subacetate of lead. Scientific American Supplement No. 822, October 3, 1891
Goods, mordanted with alumina and dyed with alizarin for reds up to saturation, never reach the brown tone given by fleur or garancin. Scientific American Supplement, No. 286, June 25, 1881
These findings would suggest that an interplay of various intraluminal factors, including bile acids themselves, may affect colonic function.
Alumina is applied either in the form of alum or of sulphate of alumina, argol or tartar being used as the assistant, oxide of alumina being deposited on the fibre. The Dyeing of Woollen Fabrics
A further restriction on the clinical use of alumina is the response of tissues to its implantation.
Thus gall bladder muscle contractions could be recorded as changes in intraluminal gall bladder pressure.
Arteries were distended and occluded by necrotic intraluminal debris, without platelet fibrin thrombi.
Polishing using the entire surface of tool is possible thanks to the braided Alumina Fiber structure.
The oriental topaz is composed of nearly pure alumina, silica, and fluoric acid; its shape is an orthorhombic prism with a cleavage transverse to its long axis. The Catholic Encyclopedia, Volume 14: Simony-Tournon
The fishing industry is of vital importance to the economy, accounting for three-quarters of exports; other exports are aluminium (produced from imported alumina) and ferrosilicon.
The use of subacetate of lead should, in all cases, be followed by the addition of "alumina cream" (aluminic hydrate suspended in water) [2] in about double the volume of the subacetate solution used, for the purpose of completing the clarification, precipitating excess of lead, and facilitating filtration. Scientific American Supplement No. 822, October 3, 1891
As the chromatogram is developed with the same solvent, two blue fluroescing zones appear on the alumina column. L.S.D., R.I.P.
A solution of lithium tetrachloroaluminate in thionyl chloride serves as the electrolyte and the lithium and carbon rods are simply inserted in. WN.com - Articles related to 'Safe' ciggies as hazardous as tobacco
The retiform pattern consists of elongated, slitlike branching tubules containing intraluminal papillae lined by flattened to cuboidal cells.
Most of these extracts contain the coloring matter in two states, the developed and the undeveloped, and an oxidizing mordant such as bichromate of potash causes the latter as well as the former to enter completely into combination with a metallic base; whereas many of the other mordants, such as alumina or tin compounds, merely take up the developed portion of the coloring matter together with such small and variable proportions of the undeveloped as might undergo oxidation during the process of dyeing. Scientific American Supplement, No. 711, August 17, 1889
The alumina is contained in the filtrate, which is acidified with hydrochloric acid and the alumina precipitated therefrom as hydrate with ammonia, as just described. A Text-book of Assaying: For the Use of Those Connected with Mines.
The major exports are bauxite, alumina, gold, and diamonds.
The major exports are bauxite and alumina, apparel, sugar, bananas, coffee, citrus and citrus products, rum, cocoa, and labor.
Finally, the developmental trends of a new type cement with Alite-Ba-bearing calcium sulphoaluminate as dominant mineral was prospected.
Obstruction of the cystic duct causes the intraluminal pressure within the gall bladder to increase and, together with cholesterol supersaturated bile, triggers an acute inflammatory response.
When enough alumina is accumulated to fill an ultralarge ore carrier over two weeks or so; about 500,000 tons or enough for 10 million cans, it is shipped by sea—a four-week trip—to Norway or Sweden, countries with cheap hydroelectric power, for smelting. Lean Thinking
The taste is astringent, probably from the alumina; and it is based upon outcrops of a sandy calcaire apparently fit for hydraulic cement. The Land of Midian
They then left the transformation to complete itself, and it would not take less than ten or twelve days for the sulphuret of iron to be changed to sulphate of iron and the alumina into sulphate of alumina, two equally soluble substances, the others, flint, burnt coal, and cinders, not being so. The Mysterious Island
This is carried out by boiling the wool in a solution of the metal, such as bichromate of potash, chrome alum or chrome fluoride when chrome is to be used as a mordant, with alum or sulphate of alumina when alumina is required to be deposited on the fibre, and with copperas when iron is to be the mordant. The Dyeing of Woollen Fabrics
Some of the studied rocks (particularly gabbros) show high alumina characteristics probably reflecting the high modal content of very calcic plagioclase.
The splenic artery was encased by tumor, although there was no intraluminal invasion, and the artery showed severe calcific atherosclerosis.
The jasper is an anhydrate quartz composed of silica, alumina, and iron. The Catholic Encyclopedia, Volume 14: Simony-Tournon
Fernando Po, Bavaria, and Cornwall; phosphates of manganese; phosphate of copper; yellow and green uranite; phosphates of alumina, including the blue spar, which has been mistaken for lapis-lazuli, and the phosphate of alumina known as turquois, found only in Persia, and esteemed as an ornament. How to See the British Museum in Four Visits
This copper oxide layer may retard the subsequent formation of a dense and protective alumina layer.
These minerals are hydrated aluminosilicates consisting of sheets of alumina and silica with interchangeable cations and considerable amounts of combined or loosely bound water.
Calcinating this salt at 1200 C results in its decomposition into alumina ( or aluminum oxide ).
Conclusion:HD combined with CT is helpful to display intraluminal lesions, extraluminal involvement and metastasis.
These unique circuits contain semiconductor devices as well as other discrete electronic components soldered on a thin alumina substrate.
It is possible to produce a mixed solution of aluminate and silicate of potash which will remain liquid for twenty-four hours. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists
Blue coloration: silicic acid and silicates: light blue. alumina: dark blue 1.1 Blow pipe assaying
Furthermore, restricting intraluminal sodium concentration in jejunal perfusion does not seem to limit glucose absorption.
In laparoscopic electrosurgical instruments, for instance, ceramics such as alumina and zirconia serve as insulators to protect surgeons from the electric current running through the device.
Modified aluminum hydroxid was prepared by sodium aluminate in Rotating Packed Bed ( RPB ) coupled with hydrolysis.
The usual methods of applying all the other dye-woods, to obtain scarlets to reds with Brazil wood, Lima wood, peach wood; or yellows with fustic, quercitron or Persian berries, is to first prepare the cotton with sumac, then mordant with alumina acetate or tin crystals The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student
For each, there are several kinds of geologic concentrations that represent actual or potential resources; consequently, for each we may expect the depletion history to consist of a series of production-history curves, as availability and cost dictate a steplike descent from high-grade hematite to taconite to iron-rich intrusive bodies, and from bauxite to alunite to high-alumina clays. Limits to Exploitation of Nonrenewable Resources (historical)
He derived the name from the mineral called alumina, which itself had only been named in English by the chemist Joseph Black in 1790.
By that time also artificial blues had been discovered, smalt or cobalt blue which is cobalt aluminate in the 17th century, and then the famous Prussian blue, in 1704.
It has three distinct stages of processing - bauxite mining, alumina refining and ingot smelting.
The present situation of Chinese bauxite resource and alumina industry is reviewed.
Furthermore, restricting intraluminal sodium concentration in jejunal perfusion does not seem to limit glucose absorption.
Abdominal and pelvic computed tomographic scans and ultrasonography showed an intraluminal polypoid mass with heterogenous enhancement in the gallbladder.
Pleasingly, the residual thiophenol could be readily removed without silyl ether hydrolysis via passage of the product through a pad of basic alumina.
The recent toxic sludge that flooded through Hungary after an alumina waste reservoir wall collapsed is a tragic reminder of the dangerous byproducts left in the wake of mining and dirty energy. Little Blue Run: Is A Pennsylvania Coal Ash Facility Contaminating Water And Giving Residents Cancer? (VIDEO)
The contrasting features between intraluminal seminal vesicle and prostatic crystalloids are summarized in Table 4.
A compound formed from sulphates and calcium aluminate; if it is formed after the mortar between the bricks is well set, it may cause softening and expansion of the mortar joints. Chapter 15
Lastly, aluminate of soda may be used as a mordant in place of red liquor or sulphate of alumina. Scientific American Supplement, No. 286, June 25, 1881
Artery rings were mounted in a wire myograph, bathed in Krebs solution (gassed with 95% air/5% CO2, pH 7.4), and normalized to a resting pretension corresponding to an intraluminal pressure of 40 mm Hg (125d GA) or 50 mm Hg (140d GA). PLoS ONE Alerts: New Articles
We also need information about whether this plant will be processing alumina, or bauxite; this can make a world of difference.
The duodenal wind sock sign has been described as a typical appearance of an intraluminal duodenal diverticulum (1).
Ceramic stick: Production Process for dry - pressed alumina high - performance stability, good densification.
Excessive crying or increased gas production from colon function can result in intraluminal gas formation and aerophagia.
Alumina is a fine white granular powder, which is exported to aluminium smelters for processing into aluminium metal.
It can appear as a solid infiltrative lesion or as a polypoid intraluminal mass that arises in the base of the bladder or in the region of the bladder trigone.
The magnesium salt Mg (AlO_ {2}) _ {2} is called spinel, and many other of its salts, called aluminates, are found in nature. An Elementary Study of Chemistry
But the remains is difficult to utilize due to its low mass ratio of alumina to silica, high content of sulphide, divergent resources and poor mining conditions.
Lungs were examined for pneumonia, fibrosis, and infarcts and for atherosclerosis, thrombi, and intraluminal fibrous webs in large pulmonary arteries.
Silica forms with lime a compound, calcium silicate, which is not very fusible; but when alumina and other oxides are present, as in clays and in most rocky substances, the addition of lime gives a very fusible slag. A Text-book of Assaying: For the Use of Those Connected with Mines.
More silica is released during mullite formation and the alumina content increases. Chapter 8
It is the excellent wear characteristics of alumina which are the principal advantage in artificial hip systems.
Invisible braces are made of translucent polycrystalline alumina ( TPA ).
Vertical lime kiln is the indispensable equipment for alumina sintering production process.
The principal economic activities and primary sources of foreign exchange are bauxite mining and alumina production, tourism, and sugar and banana exports.
For refractory purposes, high-alumina materials, fire clays, and a product called synthetic mullite (produced in the United States and elsewhere), can be used in place of kyanite and its related minerals. Kyanite
Doctor O'Shaughnessy, the most eminent chemist now in India, tells me that there are two marked varieties of kunkur in India -- the red and the white; that the red differs from the white solely in containing a larger proportion of peroxide of iron; that the white consists of carbonate of lime, silica, alumina, and sometimes magnesia and protoxide of iron. A Journey through the Kingdom of Oude, Volumes I & II
It is among the world's leading producers of bauxite and alumina, which are exported to Canada, Norway, and the United States.
Red sludge is a byproduct of the refining of bauxite into alumina, the basic material for manufacturing aluminum. Toxic Sludge Could Spill Again, Hungary Government Warns
The BlackLight Process is suppose to use a catalyst that when heated up will drain the energy from hydrogen, but the presence of sodium aluminate residue in the "catalyst" leaves reasonable doubt that instead of getting the excess energy from lowering the orbit of the hydrogen electrons, instead it is from the burning of the aluminum in the Reney Nickel "catalyst. Will 2010 be the Year of Zero Point Energy?
The thin layer may be an adsorbent such as silica gel or alumina, which is made into a slurry, placed in a layer on the glass plate, and then dried.
This category breaks down into three subsets: oxides (alumina, zirconia), non-oxides (carbides, borides, nitrides) and composites (combinations of oxides and non-oxides). The Pressure Is On For Ceramics

How To Use Alumina In A Sentence

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