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alumina

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Definition of the noun alumina

What does alumina mean as a name of something?

noun - plural: aluminas

  1. any of various forms of aluminum oxide occurring naturally as corundum

Alternative definition of the noun alumina

noun

  1. Aluminum oxide used especially in mining, material sciences and ceramics.

Printed dictionaries and other books with definitions for alumina

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Google previewPractical geology and mineralogy (1841)

with instructions for the qualitative analysis of minerals by Joshua Trimmer

Alumina is a very common earth: it occurs in every country, and in rocks of all ages, and the aluminous rocks are among the most abundant in every formation. It is an important ingredient in soils, imparting to them tenacity and the power of ...

Google previewModern Physical Metallurgy and Materials Engineering (1999)

by R. E. Smallman, R J Bishop

The Bayer process for converting bauxite into alumina is a solution-treatment method. In this important process, which will be examined in detail later (Section 10.4.1.2), aluminium hydroxide is precipitated from a caustic solution and then ...

Google previewEncyclopædia metropolitana, or, Universal dictionary of knowledge (1830)

by Edward Smedley, Hugh James Rose, Henry John Rose

Pure Alumina is a white, bland powder, adhering to the tongue, but neither exciting smell nor taste. It forms a paste with water: is infusible, except by the flame of the Gas blow-pipe. There is a peculiar smell excited by breathing upon an ...

Google previewEncyclopaedia metropolitana (1845)

or Universal dictionary of knowledge ... comprising the twofoldadvantage of a philosophical and an alphabetical arrangement, with appropriate engravings by Edward Smedley, Hugh James Rose, Henry John Rose

Pure Alumina is a white, bland powder, adhering to the tongue, but neither exciting smell nor taste. It forms a paste with water: is infusible, except by the flame of the Gas blow-pipe. There is a peculiar smell excited by breathing upon an ...

Google previewAnalytical and Diagnostic Techniques for Semiconductor Materials, Devices, and Processes (2003)

Joint Proceedings of Symposia On: ALTEC 2003 : Analytical Techniques for Semiconductor Materials and Process Characterization IV : Paris, France ; and the 202nd Meeting of the Electrochemical Society : Diagnostic Techniques for Semiconductor Materials and Devices VI : Salt Lake City, Utah by Bernd O. Kolbesen

Alumina is a very stable and robust material and has been extensively studied. Recently, Al2O3 NFETs with 80nm effective gate length have shown more than two order of magnitude reduction in leakage currents and equal or better reliability ...

Google previewSolid-State Microwave High-Power Amplifiers (2014)

by Franco Sechi, Marina Bujatti

Alumina is an excellent dielectric, with a low loss tangent and a decent thermal conductivity. By far, it is not enough to dissipate the heat produced by an active device of any significant power, but it is typically sufficient, for instance, to heat- sink ...

Google previewThermal Spray 2004 (2004)

Advances in Technology and Application : Proceedings of the International Thermal Spray Conference, 10-12 May, 2004, Osaka, Japan

Among the existing oxide ceramics, alumina is the one with the highest dielectric strength. High purity alumina powders (content > 99 %) are sprayed to achieve coatings with high dielectric properties. Thermally-sprayed ceramic coatings ...

Google previewKey Notes

by Allenthor here

Alumina is the chronic of Bryonia ...

Google previewFluid Catalytic Cracking V (2001)

by M.L. Occelli, P. O'Connor

Zeolite nonframework alumina is a particularly effective radical catalyst. Increased radical initiation leads to lower coke and dry gas selectivity and higher naphtha ...

Google previewPassivity and Localized Corrosion (1999)

An International Symposium in Honor of Professor Norio Sato by Masahiro Seo, Electrochemical Society. Corrosion Division

INTRODUCTION Anodic alumina is the dielectric film in Al electrolytic capacitors. Either amorphous AI2O3 or crystalline y'-alumina is made depending on growth conditions, and these have different properties (Table 1). The lower ionic ...

Google previewCapture and Utilization of Carbon Dioxide with Polyethylene Glycol (2012)

by Zhen-Zhen Yang, Qing-Wen Song, Liang-Nian He

For example, alumina is the most used catalyst support for CO2 reforming and others.

Google previewProfessional Business Law Essays (2014)

by Richard TA

Alumina is an aluminum manufacturer in Erehwon along Lake Dira. This risk management plan deals with the liability issues arising from non-compliance with environmental regulations. The first step in identifying the risks is to look at the ...

Google previewKeynotes and Characteristics with Comparisons of Some of the Leading Remedies of the Materia Medica with Bowel Nosodes (2002)

by H. C. Allen

Alumina is the chronic of Bryonia ...

Google previewBiolayer Modeling and Optimization for the SPARROW Biosensor (2007)

by Ke Feng

Alumina is a cost effective and widely used material in the family of engineering ceramics. The raw materials from which this high performance technical grade ceramic is made are readily available and reasonably priced, resulting in good ...

Google previewAdvanced Gate Stack, Source/drain and Channel Engineering for Si-based CMOS 3 (2007)

New Materials, Processes and Equipment by Mehmet C. Öztürk

Alumina is a very stable and robust material and has been extensively studied. Recently, Al2O3 NFETs with 80nm effective gate length have shown more than two order of magnitude reduction in leakage currents and equal or better reliability ...

Google previewSuperhydrophobic Surfaces (2009)

by Alain Carré, Kash L. Mittal

0, the alumina gel films are dissolved during the hot water treatment because alumina is an amphoteric oxide. Therefore, pseudoboehmite nanocrystals were obtained in neutral conditions (pH = 5.5–8.0) by the hot water ...

Google previewProspects for peace in Guinea : hearing

It occurs naturally in the form of bauxite, an ore containing aluminum oxide, commonly called alumina. Alumina is extracted from bauxite ore through a refining process. Refined alumina is the primary raw material used for aluminum smelting.

Google previewA Dictionary of Chemistry: on the basis of Mr. Nicholson's, etc (1835)

by Andrew URE

Red Alumina, 98.5 90.0 Lime, 6.5 7.0 Oxide of # ...

Google previewEncyclopaedia Perthensis; or, Universal dictionary of Knowledge. [With] Supp (1816)

by Encyclopaedia Perthensis

When this salt is poured into a if lulphat of alumina, it occasions a flaky prccyitjte ; whereas super-oxalat of potass occa- * Si. :.

Google previewEncyclopedia of Materials, Parts and Finishes, Second Edition (2002)

by Mel Schwartz

ALUMINA The oxide of aluminum is Al2O3. The natural crystalline mineral is called corundum, but the synthetic crystals used for abrasives are designated usually as aluminum oxide or marketed under trade names. For other uses and as a ...

Google previewEncyclopaedia Perthensis; Or Universal Dictionary of the Arts, Sciences, Literature, &c. Intended to Supersede the Use of Other Books of Reference (1816)

The globule of metal Jtained wi; whiter than purs iron ; efleiYesicd slowly in water , becoming covered witk a white powder, and the solution in muriatic acid - decomposed by an alkali, afforded alumina and oxide of iron. By passing potassium in ...

Google previewEncyclopedia of Chromatography (2005)

by Jack Cazes

used are silica, alumina, and carbon.

Google previewThe Encyclopaedia Britannica, Or Dictionary of Arts, Sciences, and General Literature (1855)

Dia - Ent

Alumina, the oxides of tin, the protoxide of lead, the black oxide of copper, and the infusion of nutgalls, constitute almost the whole of them. The peroxide of iron and the sesquioxide of manganese have also a strong affinity for cloth, especially ...

Google previewEncyclopedia of Surface and Colloid Science - (2002)

by Arthur T. Hubbard

The most common kaolin mineral is kaolinite, which consists of a single silica tetrahedral sheet and a single alumina octahedral sheet, which form the kaolin unit layer. Smectites belong to the three-layer minerals and are composed of units ...

Google previewConcise Encyclopedia of the Structure of Materials (2006)

by J. W. Martin

MgO enabled alumina to be sintered to a fine-grained, low porosity, translucent state after firing at 1900 1C in a hydrogen atmosphere (Coble 1961). For many other applications, optical transmission of visible light is not a critical property and ...

Google previewDictionary of Glass (2001)

Materials and Techniques by Charles Bray

ALUMINA (AI2O3). Aluminium oxide. Corundum. It is found naturally as the abrasives emery and corundum and as part of many gem stones. Large corundum crystals affected by traces of chromium, cobalt, copper and iron form the gem stones ...

Google previewASM Materials Engineering Dictionary (1992)

by Joseph R. Davis, ASM International

ampere-turns amplifier Technical Brief 3: Alumina ALUMINA, also referred to as aluminum oxide (AI2O3), is one of the most commonly used ceramic materials. The natural crystalline mineral is called corundum, but the synthetic materials used ...

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Small photo of Soft-prepared chalk or clay rich in alumina or white clay filler. It is powder use for face or body. Or for major festival for example Songkran festivalSmall photo of combine reinforce steel together with thermite, similar to connect train track, iron oxidant and alumina mixture triggered with electric, introduce large heat melt the iron making seamless joint.Small photo of Soft-prepared chalk or clay rich in alumina or white clay filler. It is powder use for face or body. Or for major festival for example Songkran festivalSmall photo of Alumina Cups Welding Equipment (work TIG welding )Small photo of combine reinforce steel together with thermite, similar to connect train track, iron oxidant and alumina mixture triggered with electric, introduce large heat melt the iron making seamless joint.Small photo of combine reinforce steel together with thermite, similar to connect train track, iron oxidant and alumina mixture triggered with electric, introduce large heat melt the iron making seamless joint.Small photo of combine reinforce steel together with thermite, similar to connect train track, iron oxidant and alumina mixture triggered with electric, introduce large heat melt the iron making seamless joint. More...

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Alumina Meaning

Video shows what alumina means. Aluminum oxide used especially in mining, material sciences and ceramics.. Alumina Meaning. How to pronounce, definition ...

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Scrabble value of A1L1U1M3I1N1A1

The value of this 7-letter word is 9 points. It is included in the first and second editions of the Official Scrabble Players Dictionary.

Anagrams of ALUMINA

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Semordnilap

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