When the gettering medium becomes oxidized, it no longer removes the oxygen from the gas stream. |
|
Considerable nitrogen, phosphorus, and some micronutrients are released from organic matter as it is oxidized or decays. |
|
Bendability is little affected, whether one polishes the surface after quenching, or leaves it as oxidized. |
|
Most metals are so readily oxidized by atmospheric oxygen that they are only found naturally as oxides, sulfides or salts. |
|
Ethanol can be chemically oxidized using a mixture of concentrated sulfuric acid and sodium dichromate. |
|
A species is oxidized in a reaction if it undergoes a increase in oxidation number. |
|
They remove electrons from the species being oxidized and are themselves reduced. |
|
The reductant donates electrons and becomes oxidized while the oxidant gains electrons and is in turn reduced. |
|
The rock is cemented by a mixture of quartz overgrowths, K-rich feldspar, and an oxidized ferruginous clay now dominated by chlorite. |
|
The front door and shutters are copper, oxidized to match the posts and corbels. |
|
The reducing agent causes the reduction of an atom by donating an electron and is itself oxidized. |
|
The ethanol is oxidized first into an aldehyde and then to acetic acid by the oxygen in the atmosphere. |
|
Tiffany's oxidized silver and enameled sprinkler is a masterpiece of American art nouveau design. |
|
Makeup salt consists of a precise mixture of sodium and potassium cyanides that are oxidized by aeration to the mixed cyanate. |
|
This vessel was incompletely oxidized during firing and has large amounts of grog and bone temper in its porous clay body. |
|
Indeed, the synthesis of ethanol predates recorded history and acetic acid is oxidized ethanol or wine gone bad. |
|
The lining must resist high temperature, oxidized basic slag and liquid metal. |
|
The coke is oxidized to carbon dioxide, which changes to carbon monoxide at high temperatures. |
|
In a well-ventilated furnace, the lead melted, oxidized and passed into the pores of the cupel, leaving only a bead of precious metals. |
|
In a second method, toluene is mixed with nitric acid and oxidized to produce benzoic acid. |
|
|
There they are converted to fatty acids, amino acids, and glycogen, or else oxidized by the various catabolic pathways of cells. |
|
These gaps are commonly associated with red beds in which any organic matter present at the time of deposition has been oxidized. |
|
When a metal is oxidized, it is converted from an uncharged atom to a cation by losing electrons. |
|
During these reactions, the molecule that donates the electron is oxidized and the molecule that accepts the electron is reduced. |
|
In one method, naphthalene is oxidized with vanadium pentoxide to give phthalic anhydride. |
|
Reactions in which atoms of the same element are both oxidized and reduced are disproportionation reactions. |
|
The reducing agent in the reaction is zinc that is oxidized by donating two electrons to the copper ions. |
|
Most of the scratchy lines and squiggles visible here are the green patina of oxidized bronze, not a part of the original coin as cast. |
|
Some of the finest cuprite specimens ever found have come from the oxidized zones of several of Arizona's porphyry copper and related deposits. |
|
Reductive regeneration of the oxidized catalytic thiol depends on glutathione, thioredoxin, glutaredoxin, cyclophilin, and tryparedoxin. |
|
Recycling of oxidized intermediates, as well as regeneration of the reductants, affect the redox state of specific redox pairs. |
|
On single-stranded oligonucleotides, all the guanines are oxidized to the same extent. |
|
Isolation and characterization of a group of oligopeptides related to oxidized glutathione from the root of Panax ginseng. |
|
The oxidized organo silane film can also be used as an etch stop or an intermetal dielectric layer for fabricating dual damascene structures. |
|
Several hundred tons of the richer oxidized material were stockpiled on the dump. |
|
Gold and silver bullion that remains in a cupelling furnace after the lead has been oxidized and skimmed off. |
|
In all experiments the algae were treated with benzoquinone, to inhibit metabolic activity in the chloroplast and to maintain an oxidized plastoquinone pool. |
|
Pale-to-medium blue mammillary rosasite aggregates occur with malachite in oxidized rock fallen from the north face of the open pit near the decline access drift. |
|
The oxidized and broken ore contained a high percentage of clay minerals that made it very sticky and hard to handle, but the concrete mixer worked like a dream. |
|
There'll also be bangles with precious and semi-precious Jaipur stones, strings of Hyderabad pearls, silver oxidized ornaments and temple jewellery sets. |
|
|
If you find one at this price with a decent engine, you can count on the interior looking like a dog's bed and the paint will be oxidized or flaking off in sheets. |
|
When some waters are heated, the raised temperature will reduce the effectiveness of the polyphosphate so that oxidized iron will accumulate in the water heater. |
|
Some of the fuel has probably been oxidized and breached and melted at the top of the core where the heat rises. |
|
Ether can be oxidized by nitric acid to produce ethanoic acid. |
|
In situations where large amounts of sulfides are being oxidized in this way, an enormous amount of acidity is associated with the sulfate product. |
|
The removal of the thick, oxidized varnish was complicated by Turner's use of megilp, which renders the paint surface especially vulnerable to solvents. |
|
A panel of trained professional tasters also found electroheated milk to be sweeter, with less bitter, oxidized and stale flavors than UHT processed milk. |
|
Many metals are readily oxidized by oxygen in the atmosphere. |
|
Honey, I'm sorry, the 1970 uncirculated half dollars have been oxidized. |
|
Cysteine in the extracellular space is mostly oxidized to cystine. |
|
The reduced form is a thioether and is derived from cysteine, whereas the oxidized form is a sulphate ester and is derived from the sulphonation pathway. |
|
In the Weasel pocket, the earliest mineral to form appears to have been one of the iron-bearing carbonates that has since been oxidized to limonite. |
|
During the combustion of coal, minor constituents are also oxidized. |
|
It is loaded with beneficial medium-chain saturated fatty acids that cannot be oxidized. |
|
The added metal is oxidized and dissolves, allowing the gold to be displaced from solution and be recovered as a solid precipitate. |
|
The lead sulfide concentrate is melted in a furnace and oxidized, forming lead monoxide. |
|
At room temperature, pure plutonium is silvery in color but gains a tarnish when oxidized. |
|
A disadvantage is that metals commonly found in industries such as steel and copper are oxidized faster by untreated water and steam. |
|
Leonardite is an oxidized form of lignite, which is also contains high levels of humic acid. |
|
The iron is oxidized to ferric hydroxide upon encountering the oxidizing environment of the surface. |
|
|
It continues until the entire tuber is oxidized and blackened within two to three days after harvest, rendering it unpalatable and useless. |
|
Most of the Earth's crust consists of solid oxides, the result of elements being oxidized by the oxygen in air or in water. |
|
Initially the heating vessel was made of wrought iron plates, but these oxidized, and he substituted a cast iron vessel. |
|
The sulfur dioxide and nitrogen dioxide dissolve and over a period of approximately 30 minutes the sulfur dioxide is oxidized to sulfuric acid. |
|
This will tell us whether redox is occurring, and if so, what is oxidized and reduced. |
|
Concentrated hydrochloric acid dissolves many metals and forms oxidized metal chlorides and hydrogen gas. |
|
Carbon and hydrogen are almost completely oxidized to carbon dioxide and water. |
|
Electrolysis is a water treatment process that produces a reduced or alkaline water and an oxidized or acidic water. |
|
Cholesterol is an unstable molecule, readily oxidized in the presence of air to form highly atherogenic cholesterol oxides. |
|
The chemical state of dopamine changes from a protonated hydroquinone in acidic media to an oxidized quinone in basic environments. |
|
Kaolinization of the feldspar has also occurred in the oxidized beds, although it primarily involved the plagioclase. |
|
Mineralization is associated with siderite-albite veins and breccias with chalcopyrite, arsenopyrite, pyrite, and their oxidized equivalents. |
|
As the researchers point out, when boron is oxidized it becomes borate which is essential to the creation of ribose. |
|
We treated 5-chloro-2-nitroaniline with benzenethiol to obtain a sulfide which was then oxidized to a sulfone with peracetic acid. |
|
The oxidized and bioturbated material at these locations has lost any resemblance to cohesive laminated lacustrine sediment. |
|
The carbon is thus oxidized in two stages, producing first carbon monoxide and then carbon dioxide. |
|
After the carbonization at the first stage, the structure of oxidized fiber is wholly aromatized. |
|
Increased oxidized low density lipoprotein associated with high ceruloplasmin activity in patients with active acromegaly. |
|
Extract from Chinese date enhances the antioxidative defense system of the skin, thus preventing the formation of oxidized proteins. |
|
The investigators also evaluated secondary oxidation products, including oxidized fatty acid, diene and triene. |
|
|
The oxidized mineralization zones are near surface, sub-horizontal, and stratiform. |
|
It is an oxidized form of vanillin produced on converting vanillin to ferulic acid. |
|
Cerium is an important oxidation gauge because it can be found in two oxidation states, with one more oxidized than the other. |
|
For example, oleic acid is a common unsaturated fatty acid that can be oxidized with ozone to produce azelaic acid and pelargonic acid. |
|
Dental hemostats are sub-divided into gelatin based hemostats, oxidized regenerated cellulose based hemostats and collagen based hemostats. |
|
The PAni can mainly occur in three forms, fully reduced leucoemeraldine, partially oxidized emeraldine base, and fully oxidized pernigraniline. |
|
Proteosome, in turn, is a large protein enzyme that breaks down oxidized proteins that would otherwise accumulate and cause cells to die. |
|
In reaction ions of hypophosphite reducing agent in the presence of catalytic amounts sufficient energy and be oxidized Avrtvfsfyd ions. |
|
The material is then cooled to room temperature under an inert gas, and any oxidized surface material removed. |
|
Rings in 14K gold, sterling and black oxidized silver have florally inspired designs with an unpredictable twist that is raw yet feminine. |
|
When a free radical becomes oxidized, it turns into a pro-oxidant. |
|
The most highly oxidized member is macarpine, an alkaloid produced in considerable quantity in cell suspension cultures of Eschscholtzia californica and Thalictrum bulgaricum. |
|
Composition, physicochemical properties and retrogradation characteristics of native, oxidized and acetylated and acid-thinned new cocoyam starch. |
|
Detrital magnetite could have oxidized to hematite and goethite, while detrital ilmenite could transform to leucoxene during early diagenetic stages. |
|
When aldoses are exposed to strong oxidizing agents, such as nitric acid, both the aldehyde carbon atom and the hydroxyl carbon are oxidized to carboxyl groups. |
|
In hand specimen, leached, oxidized, and sheared San Diego breccia consists of cobble to boulder sized, sub-rounded aphanite clasts in a dark gray, amorphous silica matrix. |
|
The oxidation potential is a measure of the tendency of the reducing agent to be oxidized, but does not represent the physical potential at an electrode. |
|
Thus, in the reaction, the reductant or reducing agent loses electrons and is oxidized, and the oxidant or oxidizing agent gains electrons and is reduced. |
|
The chemical species from which the electron is stripped is said to have been oxidized, while the chemical species to which the electron is added is said to have been reduced. |
|
In addition, these chemicals can be oxidized by oxidants in the atmosphere to form fine particulate matter after they evaporate into the atmosphere. |
|
|
Mr. Ratcliffe has sometimes found them to contain arsenic in an oxidized state, combined with ferric oxide, and once he met with a paco ore mainly composed of antimony ochre. |
|
The Charaka Samhita, thought to have been written between 300 and 500 AD, mentions a metal which, when oxidized, produces pushpanjan, thought to be zinc oxide. |
|