oxide

At the moment oxides of metals such as zinc and copper seem to be the favourites, but tiny tubes made of carbon are also being explored.

The researchers are trying to replace the indium oxide with cheaper oxides like aluminum oxide, which possesses similar properties.

Sulfur oxides. SOx's are the component of outdoor air pollution that leads to what is referred to as "acid rain. "

It absorbs and dissolves residual oxides that are on the surface and those oxides which may form during the heating operation.

Dissolving and removing of oxides and contaminations from the surface of a metal or alloy are the primary purposes of flux.

Effect of RE oxides on the service life of anvil used for synthesizing diamond has be investigated.

The results showed that manganese oxides are highly dispersed on the surface of the palygorskite support.

Until now, the quotas mostly covered alloys and oxides with a rare earth content of at least 50 percent.

One of the biggest hazards people have carbon monoxide, hydrocarbons, nitrogen oxides, lead compounds and particulate matter.

SCR reduces oxides of nitrogen, the smog precursor known as NOx, by injecting urea periodically into the exhaust system.

Ammonium nitrogen and nitrogen oxides are toxic to methanogenic bacteria, however, their toxicities can be decreased through domestication.

and the surface of the excitation point is electroplated with inert metal oxides.

Selenium oxides can accelerate decomposition of the body and suppress cancer.

Nitrogen oxides releases directly by supersonic aircraft into the stratosphere contribute directly to the depletion of the ozone layer.

Ship operations emit nitrogen oxides, sulfur dioxide, particulate matter, and hazardous pollutants into the air.

The acid reacts with most metals, to produce hydrogen and the metal's chloride, and with oxides, hydroxides, and many salts.

It has been found that the colour of red iron oxides in ceramics is affected by sintering temperature and the compositions of the ceramics.

Carbon monoxide, carbon dioxide, nitrogen oxides can be released in case of fire.

Flux: The material used to remove oxides from metal surfaces and enable wetting of the metal with solder.

Metal elements doping technology was effectively applied to improve photo catalytic properties of perovskite-type oxides.

So far the electrode materials are mainly divided into noble-metal oxides and transition-metal oxides.

P cannot be extracted by carbon from its oxides, therefore, P is the most reactive metal.

The part is taken down to final shape using machining operations. And cleaning operations may be used to remove oxides, etc.

The feasibility of a scrubbing process for the removal of sulfur oxides from factory flue gases is shown.

The surfaces to be joined must be clean and free from oil, grease and heavy oxides.

Metal clusters and metal oxides also have been excluded for the origin of the ferromagnetism in samples.

The white phases within the primary vanadium carbide particles are the oxides and sulfides of these active elements such as Mg, K.

It also said it has secured final permits to begin construction of plants that will process the mined rare- earth oxides .

In the lower atmosphere the oxides of nitrogen add to an increase in ozone and small particles, which can cause respiratory ailments.

Elemental sulfur composite material is developed as a new battery cathode material after metal and metal oxides, metal sulfide.

Amid the gaseous pollutants they inhale are carbon monoxide, sulphur dioxide, nitrogen oxides, hydrochloric acid, ammonia and hydrocarbons.

High concentrations of sulphur dioxide, nitrogen, oxides and dust have long been known to be harmful.

oxides formed on the surface of YJ2 hard metal have great effects on the anti-friction performances.

control incineration disposal. Incinerator emissions of nitrogen oxides through the scrubber to remove.

The other class of oxides, metallic oxides or basic anhydrides, consist of oxygen combined with a metal.

The curable oligomer may include unsaturated functional groups at each end of a chain, and may further include 3 to 14 ethylene oxides.

High concentration of sulphur dioxide, nitrogen, oxides and dust have long been known to be harmful.

PM-cores made of magnetic oxides and associated parts. Dimensions.

Take rare-earth elements -- minerals and oxides essential to the manufacture of many technologies.

Inorganic compounds may be classified by the elements or groups they contain (e. g. , oxides, sulfates).

The analysis result shows that the oxides in cracking feedstock are the main reason.

In these nonmetallic inclusions, C class (silicate) and D category (annular oxides) inclusion are the most and highest grade.

The resent research progress in photo catalytic performance of the spinel type composite metal oxides nano-powder was reviewed.

Two pollutants cause most of the problem: oxides of nitrogen, which damage the lungs, and fine particulates, which are also carcinogenic.

Dimensions of pot-cores made of magnetic oxides and associated parts.

Through the industrial experiment of LF refining process for heavy rails, effect of oxides in slag on the desulfurization was investigated.

This article presents the heterogeneous catalytic ozonation of organic contaminants in water by metal and metallic oxides and its mechanism.

Indoor air pollutants include formaldehyde, benzene, volatile organic compounds, nitrogen oxides, etc.

Of special concern are the oxides of nitrogen, called NOx; the oxides of sulfur, called SOx; and "particulate matter. "

These results showed that the transformation of iron oxides was important factor controlling P availability in in flooded soils.

The influences of the developer concentration and the oxides concentration on the film development quality were analyzed.

Fullerene oxides play an important role in studying functionalization of carbon clusters, which stimulated the interest of scientists.

It is applied for leaching of ores or concentrates and for the precipitation of metals or oxides from leach solutions.

The red color is due to oxides of iron, magnesium, and aluminum, which in some such soils form a hard crust (LATERITE) at he soil surface.

Electric power plants that burn fossil fuels release hydrocarbons and nitrogen oxides. And when sunlight hits those compounds, ozone forms.

The paper presents the basic principle on the removal of nitrogen oxides upon SCR and discusses the various causes of toxic catalyzer.

One obvious remedy is to reduce emissions of sulfur and nitrogen oxides to the atmosphere.

As a very important chemical aluminum oxides product, pseudoboehmite is widely applied in the preparation of FCC.

Finally, nano-powders of titanium nitride, titanium dioxide, copper oxides and zinc oxide were produced by electrical explosion of wires.

Nano-sized oxides exhibit the characteristics of big reversible capacity, good cycling performance and high rate capability.

Application of this experiment to boron oxides is described, in addition to an analysis of the spin diffusion rates in such materials.

The tests results also showed that rare earth oxides doped molybdenum alloys have lower ductility to brittle transition temperature.

Importantly, China also dominates the processing of many oxides into final end product metals.

The oxides of nitrogen, sulfur, and ozone promote UV-induced oxidative damage of common plastics, particularly in rubber products .

Suitable for Zn free glazes with low Pb , the needed black color can be required when adding Co , Cr, Fe oxides .

Dimensions of low-profile cores made of magnetic oxides.

Other filters and chemical "scrubbers" catch oxides of sulphur and nitrogen that would otherwise cause acid rain.

Generators should be to reduce emissions of sulfur dioxide and nitrogen oxides bear the responsibility.

Aluminum oxides are commonly used to combat heartburn and to purify drinking water.

Cutting gas is to ensure that the formation of plasma jet, and to ensure that remove the molten metal oxides and incision.

The oxides are sulfur dioxide and sulfur trioxide, which when dissolved in water make sulfurous acid and sulfuric acid, respectively.

Encouraging results have also been obtained with the anodic plasma-oxidation technique for non recessed oxides.

New metal oxides may appear in cathodes , and anodes may move from a carbon base to a silicon base.

The oxygen pressure is important for decomposition of metal oxides: the lower the oxygen pressure is, the more easily the oxides decompose.

Iron oxides like hematite and magnetite are the Earth rocks most frequently mistaken for meteorites.

The Pb. Zn, Fe oxides and residual sulfides are the main carrier minerals of silver.

To recover iron from its ores, the oxides are reduced by heating together with coke and limestone.

SURFACE ACTIVE AGENTS. FATTY ALKYL DIMETHYL AMINE OXIDES. DETERMINATION OF THE AMINE OXIDE CONTENT. (EUROPEAN STANDARD EN 1791).

and nitrogen oxides changed by the sun's rays.

Any of several earthy mineral oxides of iron occurring in yellow, brown, or red and used as pigments.

Increase hydrothermal temperature was conducive to formation of tunnel-type manganese oxides.

The transformations of magnetite and hematite, which are main existing forms of iron oxides in nature, have been debated for many years.

A very high excess of oxygen, methane, and nitrous oxides would certainly be suggestive of life.

For the cathode, Planar uses lithium manganese dioxide; for the anode, doped tin oxides and lithium alloys.

Finally, the countermeasures on controlling nitrogen oxides discharge are put forward.

The solder alloy of the invention is suited to bonding oxides together and the oxides preferably comprise glass.

and calcining the precursor in sulfur-containing atmosphere to obtain spherical rare earth oxides.

Semiconductive oxide particles include metal oxides and bimetallic oxides.

To eliminate the defective secondary junction caused by the deposition of additive element oxides in a high-purity gold bonding wire.

Besides tungsten oxide provides with relatively higher oxidative abilities than other metal oxides (Mo, V, Ti or Zr).

Titanium oxides has been widely used because it is stable, efficient and has no secondary pollution.

In the metallurgical industry, hydrogen is used to reduce metal oxides and prevent oxidation in heat-treating certain metals and alloys.

Also, the stainless steel ion nitriding, low carbon steel ion nitriding, nitrogen oxides more prominent role.

Sulfur dioxide and nitrogen oxides also cause acidic precipitation, commonly called acid rain .

Air pollution. Measurement of nitrogen oxides by chemiluminescence.

From 2012 diesel trains will have to reduce their emissions of nitrogen oxides by 39% and of soot by 88%.

His particularly experiences are related to transparent conductive oxides TCO and cleaning of surfaces by plasma impact respectively.

The secret is using magnesium oxides instead of calcium carbonates, the main ingredient in Portland cement, the most common type.

And now, allegedly, China has refused to export rare earth oxides, rare earth salts, and pure rare earth metals.

The latter name comes about because water added to nonmetal oxides under certain conditions produces acids.

Beijing 73% of the atmosphere of hydrocarbons, carbon monoxide 63%, 37% of the nitrogen oxides emissions from motor vehicle pollution.

These nanoparticles then oxidise back into silicon oxides, drawing oxygen from the surrounding air.

The behavior of halogen ions in alkaline-earth metal oxides halogenide molten slag of scales was investigated.

In the catalyst preparation process, nitrogen oxides were not released. It is a green environment-friendly preparation method.

The inside and outside surface of casting shall be smooth, sands, oxides and burrs on the un machined surface shall be removed.

THE EXPLORATION OF SYNTHETIC LAW OF IRON OXIDES PIGMENTS.

Trialkyphosphine oxides(TRPO) is an extractant used in the treatment of high level liquid waste.

The stabilizing agent may include calcium, magnesium, yttrium salts of oxides and rare earth oxides.

In chapter two, the template-free syntheses of mesoporous metal oxides and sulfides were introduced.

The oxides mix with water vapor in the air to form weak sulphuric and nitric acid, which later falls as acid rain.

Electric power plants that burn fossil fuels release hydrocarbons and nitrogen oxides.

Photochemical ozone and smog are created as nitrogen oxides and hydrocarbons react to sunlight.

Existing technology can remove nitrogen oxides when fossil fuels burn, at a cost.

However, vanadium can form dozens of vanadium oxides with oxygen. So preparation of VO_2 thin films with one method is difficult.

These harmful substances are very complex components, mainly including carbon monoxide, nitrogen oxides, hydrocarbons, and so on.

Sulphur Oxides and Nitrogen Oxides are two major emissions released in the flue gas of coal-fired power plants.

It is also the important precursor form of many crystalloid iron(hydr)oxides.

a white salt present in urine and used to test for metal oxides.

Critics says SUVs also produce more substances like carbon monoxide and nitrogen oxides.

The potential reduction of manganese oxides by PM-NR might promote Mn accumulation in plant tissues.

Effects of nano-TiO_(2) photo catalytic oxidation immobilized on road surface materials on nitrogen oxides were investigated.

Burning may produce carbon monoxide, carbon dioxide, and nitrogen oxides.

CHEMICAL ANALYSIS OF LEAD AND LEAD OXIDES. TURBIDIMETRIC DETERMINATION OF TIN.

CHEMICAL ANALYSIS OF LEAD AND LEAD OXIDES. COLORIMETRIC DETERMINATION OF IRON.

The effect of organic ions on the formation of metal oxides or oxyhydroxides can be rationalized by two competing mechanisms.

The report found that pollutants like sulfur dioxide, nitrogen oxides, and particulate matter cost the US $62 billion.

The study of this project can support the development and apply of new compound oxides for Li-ion battery and gas sensitive materials.

Mineral makeup powders contain zinc oxide, titanium dioxide, mica and iron oxides.

The practicability on Ti-Ni alloy manufactured by direct electrochemical reduction of TiO2 and NiO oxides was investigated.

The result is a reliable and durable product th at reduces oxides of nitrogen from diesel exhaust, the comp any cl aims.

Dust particles that formed the planets were mostly metals, silicates, and oxides.

It will also combine with oxygen to form oxides of nitrogen and when combined with hydrogen in the presence of catalysts, will form ammonia.

After the oil operations, pipelines often appear oily, scale and iron oxides phenomenon.

With the exception of gold, the surfaces of metals are never observed but only their oxides.

Oxides are compounds containing oxygen and only one other element.

A natural brown earth containing ferric oxide and manganese oxides, used as pigment.

Ferrite is a kind of magnetic materials and a compound composed of ferric oxide and other metal oxides.

Their oxides are frequently amphoteric , and react with both acids and alkalis.

Most metal oxides widely used are semiconductors or insulators, and have good absorbing properties to laser.

Nitrogen oxides (NOX. ) are produced when fuel is burned at very high temperatures.

The oxygen combines with the unwanted elements except sulphuric and, unavoidably, with so, no of the iron to form oxides.

At night ozone, a molecule composed of three oxygen atoms, reacts with oxides of nitrogen.

Common iron ore, iron oxides are mostly dark gray, bright yellow, deep purple or rust color.

Perovskite-type oxides became hotspot of material science because of their stable structure and unique physical and chemical properties.

At present time, SCR is the main process in treating nitrogen oxides in power plant in the world.

Oxides of nitrogen analyzer calibration .

Ore minerals are manly native coppers, copper oxides, chalcocites and chalcopyrites.

That's because the air is also thick with oxides of many colors and complex carbon chains yet unclassified .

In chapter 2, we review the history of photoemission study about the copper oxide high-temperature superconductors copper oxides.

The dross problem is caused by the formation of magnesium oxides and sulfides resulting from the Mg treatment.

Copper connections should be clean and free from oxides.

the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water.

A method to analyze cholesterol and 8 cholesterol oxides was studied by capillary gas chromatography.

The MudWatt creates energy by capturing electrons released when mud-borne bacteria eat metal oxides.

Influence of heavy rare earth oxides on the activity of Pd catalyst has been discussed in this article.

The main impurities are iron and metallic oxides .

It also makes study on the preparation condition of compound oxides.

The engineers chose zinc and titanium oxides as their materials.

It is not pure ozone and it reacts with other oxides in the air and produces poisons and you are inhaling this.

A third option is trapping the carbon in stable minerals permanently by reacting the CO2 with metal oxides.

Nanosized rare earth complex oxides have dual characters of nanosized materials and rare earths, which attract attention.

The presence of oxides will result in infrared absorption.

Transition metal oxides are used as the coating material.

To ensure good wetting and low voiding I believe I will pre clean and etch the solder (preform) to remove oxides.

Hydrogen is the main existing in gap and hole of oxides.

Another source of nitrogen pollution comes from fossil fuels, which produce nitrogen oxides when they are burnt.

These rock paintings were made with iron oxides, some plant extracts and even with some drops of blood.

Various adsorbents such as activated carbon, iron oxides, filamentous fungal biomass and natural condensed tannin have been explored [6].

Metal oxides contain a metal cation and the oxide anion (O2-); they typically react with water to form bases or with acids to form salts.

other atmospheric pollutants such as oxidants and sulfur oxides may produce adverse cardiovascular effects , but the evidence is limited.

Choose a car with a 3-way catalytic converter, to reduce nitrogen oxides and hydrocarbons emissions by 90 per cent.

and carbon-containing compounds such as the carbon oxides, metal carbonyls, carbonates and transition metal carbonxylates.

Carbon oxides: carbon monoxide (CO), carbon dioxide (CO2).

BFM's will not flow over grease, oil, oxides or dirt.

These natural cosmetics rely on oxides for color.

Physics of Transition metal Oxides.

In addition, vanadium and vanadium oxides have been found an increasingly wide utilization in steel industry and medical field and so forth.

The oxides either leave the bath as gases , or enter the slag.

The effect of metal oxides on the thermal stability of fluoroether elastomer was investigated.

In addition, the effect of mixture of several oxides on coke reactivity shows additive property for single subst a. . .

According to a 2010 Government Accountability Office report, China produced approximately 97% of the world's rare-earth oxides in 2009.

The adsorbing agents such as molecular sieves, metal oxides, active carbons, etc. for sulfides removal are presented.

Aluminum in lithium ion battery can also used as reducer to reduce cobalt oxides .

Nitrogen oxides: nitrous oxide (N2O), nitric oxide (NO), nitrogen dioxide (NO2).

Nitrogen oxides produced during coal combustion have become an important factor to restrict the development of coal-fired power station.

All kinds of ABO3-type oxides are summarized, including various crystal structure and their electrical, optical, acoustics properties.

Carbon combines with oxygen to form carbon oxides.

The thermochemical cycles based on metal oxides were reviewed.

The country supplies more than 95% of the world's rare-earth oxides.

Glaze is mostly translucent, but da Vinci would also slip in small amounts of pigments, such as manganese and lead oxides.

Lead and lead alloys - Lead oxides.

The high bond energy of O2 also leads to high thermodynamic instability of all oxides.

Now, Molycorp is ramping up again and hopes to begin mining next year and producing 20, 000 metric tons of rare earth oxides by late 2012.

using urea and 1, 2-propylene glycol as reactants and 8 metallic oxides as catalysts were systematically studied.

May Contain: Iron Oxides, Titanium Dioxide, Red 36, Yellow 5 Lake, Zinc Oxide.

a mixture of uranium oxides.

This paper is concerned with the effect of foreign oxides on the burnability of cement raw meal with high CaO.

On Earth, any natural metallic iron rusts in our wet, oxygenated environment, so we rely on iron oxides such as haematite to make steel.

These oxides are released into the atmosphere and they can fall back to earth as acid rain.

But much of the fall in oxides of sulfur, for example, springs from the decline of coal-burning industries.

A fluid bed requires a catalyst that is mechanically stronger than the pure oxides.

Tellurium oxides were used as antimicrobial agents against diseases such as leprosy and tuberculosis before the development of antibiotics.

"Nitrogen oxides in particular are of concern, " he says, because they can destroy ozone.

It is found that larger amounts of carbides such as M3C, MC and M2C and some compound inclusions of oxides and sulphides exist in the steel.

Iron smelting in this way to get loose, but also to provincial judge ore mixed with many oxides and through.

A great many of the compounds we are to study may be classified as acids, bases, salts, metallic oxides, or nonmetallic oxides.

In this paper, we chose TiO2 and SnO2 as the representative semiconductor oxides to study the photo catalytic reactions in the atmosphere.

Progress in the Surface Modification Research of Inorganic Nano-oxides

dissolving tin and lead oxides and hydroxides obtained in step (iii) in a strong alkali or acidic solution;

Specification - Cores made of ferromagnetic oxides for use in high flux density transformers

Stationary source emissions - Determination of the mass concentration of nitrogen oxides - Naphthylethylenediamine photometric method

Refinement of Oxygen Dioxide Through Removing Nitrogen Oxides by Means of Reduced Method of Urea Water Solution

Industry: Other inorganic; Oxide; Carboxylate; Acid; Acid derivatives; Fluorescent Brightener; Other oxides; Common organic reagent;

A Quantum-Chemical Study of Li-Ni Oxides as a Cathode Material for Secondary Lithium-Ion Batteries

Surfactant- template synthesis and pore structure study of mesoporous manganese oxides

Study of the Photocatalytic Decomposition of Water over Titaniferous Oxides Catalysts

Oxidation of Propane over Vanadium-Phosphorus Oxides Catalyst by Lattice Oxygen and Its Circulating Fluidized Bed Process

Tribological Behavior of Metal Oxides Filled Polytetrafluoroethylene Composites under Water Lubrication

Study on the Correlation Between Elemental Electronegativity and Superconductivity of Oxides Utilizing Density Functional Theory

Industry: Sulfide; Simple substance; Oxide; Other hydrocarbons; Other Glass; Catalyst; Other catalysts; Other single quality; Other oxides;

Preparation of Zn-Cr hydrotalcite and study of catalytic activities of hydrotalcite derived di-metal oxides

Industry: Oxide; Nutritional additives; Other oxides; Aluminum oxide; Zinc oxide; Common organic reagent; General inorganic reagent;

Catalytic Synthesis and Characterization of Carbon Nanotubes on Unsupported and Zeolite- Supported Transition Metal Oxides Catalysts

Indoor-outdoor relationships of particulate matter and nitrogen oxides under different outdoor meteorological conditions

Catalyzing Oxidative Dehydrogenation of Propane over Carbon Nanofiber Supported Phosphoric Oxides Catalysts

Test method for the mechanical strength of cores made of magnetic oxides

standard test methods for continuous measurement of oxides of nitrogen in the ambient or workplace atmosphere by the chemiluminescent method

Study of Layered Lithium Intercalation Multi-Element Transition Metal Oxides

Phosphorus adsorption and desorption properties of three synthetic iron oxides and their relation to phosphorus adsorption saturation

Industry: Integrated companies; Other oxides; Other inorganic acids; Other inorganic bases; Other inorganic; Other alcohols;

Comparison between Optimized Process and Traditional Process of the Enriched Oxides of Thulium, Ytterbium and Lutecium by Solvent Extraction

Industry: Oxide; Sulfate; Sulfur; Other oxides; Titanium oxide; Antimony oxide; Barium oxide; Aluminum oxide; Aluminum hydroxide;

Industry: Inorganic base; Other inorganic; Inorganic acid; Sulfide; Oxide; Alkanes; Amide; Other oxides; Other inorganic acids; Furan;

Industry: Other inorganic bases; Other oxides; Other inorganic acids; Other inorganic; Other non-metallic mineral; Other hydrocarbons;

Kinetics of the high temperature desulfurization with mixed iron-calcium oxides in temperature programmed processes

Ambient air; Determination of the mass concentration of nitrogen oxides; Chemiluminescence method

Industry: Other inorganic; Other inorganic acids; Other inorganic bases; Other oxides; Ceramics; Chemical Processing;

Study on the Catalytic Activity of Various Rare Earth-Containing Modified Oxides for the Reaction Selective Oxidation of Benzaldehyde

Industry: Simple substance; Other single quality; Common organic reagent; General inorganic reagent; Other oxides; Other gases;

Characterization and Preparation of Cerium-Zirconium Composite Oxides by a Co-Precipitation Approach

Progress in Study of Oxidative Dehydrogenation of Ethane to Ethene over MoV Oxides Catalysts

Study of Hardness and Superconductivity of Oxides by Density Functional Theory

Industry: Other oxides; Hydrochloric acid; Sodium hydroxide; Carbonate; Sulfate; Fluoride;

Cerium zirconium mixed oxides preparation and its methane catalytic combustion

Magnetic excitations in high-temperature superconductors: search for universal features in different classes of copper oxides

Supplemental Catalysis and Stabilization of Rare-earth Oxides in Precious Metal Catalysts During Purifying Automotive Exhaust

Secondary Emission Property and Microstructure Analysis on Molybdenum Cathode Doped with Rare Earth Oxides Made by Spark Plasma Sintering

Specification for axial lead cores made of magnetic oxides or iron powder

Progress in study of nanometer rare earth oxides prepared by precipitation methods

Synthesis, Structure and Electrochemical Performance of Titanium-doped Spinel Lithium Manganese Oxides