Sentences with phrase «iron compounds in»

For the Mary Rose, it was essential to find the quantities and locations of the sulphur and iron compounds in the wood.
His pigments are chemically or conceptually derived from the compounds used to gas the Jews, from Prussian Blue (related to the cyanide - iron compound in stains created by Zyklon B in the gas chambers) to flesh tones (a reference to the victims who were murdered in the spaces he depicts).

Not exact matches

Employing some 265 salaried and hourly workers, the enterprise was projected to finish 1991 at close to $ 28 million in sales — an eight - year compound annual growth rate of a hefty (for iron castings) 30 %.
I am making my version of surf and turf — I am going to be doing the filet in a cast iron skillet and then finishing it off in the oven, and instead of making hot shrimp scampi, I made shrimp cocktail to go over the top of the filet and then made a compound butter to drizzle over the top.
Cacao is high in magnesium and iron and also contains compounds that may help boost serotonin and endorphin levels.
However, spirulina is a wonderful source of vitamins A, K, trace minerals, iron, antioxidants, healthy essential fatty acids such as GLA, and powerful detoxifying and longevity - enhancing compounds such as phycocyanin, a blue pigment in plants that has been shown to have incredible health benefits for the body!
compounds that bind with the iron in your little one?s intestines.
For example, the researchers found that human milk contained significantly higher levels of milk proteins that help in digestion of fat - like compounds; slow protein digestion; and potentially increase the absorption of iron, vitamin B - 12, and vitamin D.
Demonstrated capability to deliver growth with a compound annual growth rate in iron ore production of 14.8 per cent over the period from 1999 to 2007.
«She arranged for the weapons which includes cutlass, iron rods and acid which she kept in her husband's compound at Ayobo area of Lagos State and described where she kept it to the assailants.
A team led by Stuart Licht at the Technion - Israel Institute of Technology in Haifa has come up with a new cathode made from unusual iron - based molecules — iron (VI), or «super-ironcompounds — that absorb more electrons than manganese dioxide.
These reactions oxidise organic compounds and reduce the iron in the lake.
Thriving in environments that lacked oxygen, they relied on compounds such as carbon dioxide, sulfur - containing molecules or iron minerals that act as oxidizing agents to break down food.
Titanium is used in strong light - weight alloys (most notably with iron and aluminium) and its most common compound, titanium dioxide, is used in white pigments.
Unlike vitamins, such as vitamin C, or essential nutrients like iron or zinc, bioactives are non-essential compounds in food.
Veins are flexible and can get twisted, slowing the rate of blood flow and potentially leaving waste and compounds such as iron to accumulate in the brain.
A Magnetic Mop for Oil Eastoe played around with a number of surfactants and iron compounds before hitting on solutions of iron salts, related to the surfactants in mouthwash and fabric softeners but with some magnet - friendly metal thrown in.
In steel, aluminum forms an ultrastrong compound with iron.
Physicists around the world are hailing the discovery of the new iron - and - arsenic compounds as a major advance, as the only other high - temperature superconductors are the copper - and - oxygen compounds, or cuprates, that were discovered in 1986.
The study also showed that the main activator of artemisinin is haem, a specific iron - containing compound, either biosynthesised by the parasite at its early developmental ring stage, or derived from haemoglobin digestion in the later stages.
«We probably know about 1 % of the properties of existing materials,» he says, pointing to the example of lithium iron phosphate: a compound that was first synthesized in the 1930s, but was not recognized as a promising replacement material for current - generation lithium - ion batteries until 1996.
To satisfy microbial nutritional fitness, the research team uses mineral mixtures that mimic the Martian regolith composition from different locations and historical periods of Mars: «JSC 1A» is mainly composed of palagonite — a rock that was created by lava; «P - MRS» is rich in hydrated phyllosilicates; the sulfate containing «S - MRS,» emerging from acidic times on Mars and the highly porous «MRS07 / 52» that consists of silicate and iron compounds and simulates sediments of the Martian surface.
Keeping that in mind, Holland and his team designed a new compound with two distinct properties found in nitrogenase: large shielding groups of atoms that prevented undesired reactions, and a weak iron - sulfur bond that could break easily upon the addition of electrons.
Julia Lewis, MD (Vanderbilt University School of Medicine) and her colleagues in the Collaborative Study Group conducted a 441 - patient randomized clinical trial to test the potential of a compound called ferric citrate to bind phosphorus, increase iron stores, and reduce the usage of IV iron and ESAs.
Holland studied iron silicate compounds which had precipitated from moisture in the soil.
Pere Masqué, also co-author of the study, adds that, «in addition to nutrients, SGD can play a crucial role as a source of other dissolved compounds flowing into the Mediterranean Sea, as well as in all the oceans worldwide, such as carbon, iron and other micronutrients, given the magnitude of the calculated fluxes and the high concentration of these compounds in groundwater.»
However, these compounds can have wide - ranging side effects since they can also bind to iron in other parts of the brain where healthy cells need it to survive.
DEEP DEVELOPMENT Diamonds (dark grey) begin to form from minerals containing iron and magnesium (white) and from carbon - oxygen compounds called carbonates (light grey) in a scanning electron microscope image.
In a report appearing in the June 24 issue of Nature, metallurgist - physicist Robert Shull and colleagues at the National Institute of Standards and Technology in Gaithersburg, Maryland, added a little iron to the compound, reducing hysteresis by more than 90 In a report appearing in the June 24 issue of Nature, metallurgist - physicist Robert Shull and colleagues at the National Institute of Standards and Technology in Gaithersburg, Maryland, added a little iron to the compound, reducing hysteresis by more than 90 in the June 24 issue of Nature, metallurgist - physicist Robert Shull and colleagues at the National Institute of Standards and Technology in Gaithersburg, Maryland, added a little iron to the compound, reducing hysteresis by more than 90 in Gaithersburg, Maryland, added a little iron to the compound, reducing hysteresis by more than 90 %.
A compound that blocks iron - containing enzymes in the brain improves recovery following brain hemorrhage, a new study in rodents shows, and it works in an unexpected way.
After nearly four years in orbit and discovering water ice, organic compounds and the planet's iron core, NASA's Messenger orbiter will make one last thruster boost on 21 January.
Researchers have found that hot alcoholic drinks can induce superconductivity in iron - based compounds.
«The core is mostly iron and some nickel, but also contains about 10 % of light alloys such as silicon, oxygen, sulfur, carbon, hydrogen, and other compounds,» Hirose, lead author of the new study to be published in the journal Nature.
When iron arsenide is combined with a metal — such as in the sodium - containing NaFe2As2 compound studied here — it was known that the ensuing compound is crystallized in a tetrahedral structure.
New research from a team including Carnegie's Elissaios Stavrou, Xiao - Jia Chen, and Alexander Goncharov homes in on the structural changes underlying superconductivity in iron arsenide compounds — those containing iron and arsenic.
«Our findings are an important step in identifying the hypothesized connection between structure and superconductivity in iron - containing compounds,» Goncharov said.
They further posited that a compound called «Ferric - uptake regulator,» or Fur, which is known to control intracellular iron homeostasis in many other species of bacteria, functioned similarly in C. difficile.
The layering of arsenic and iron (As - Fe - As) in this structure is believed to be key to the compound's superconductivity.
Vertical and horizontal distribution of oxygen, nitrogen compounds and iron in seawater in the oxygen minimum zone off Peru.
The scientist who discovered the chemical structure of hemin, the iron - laden compound in red blood cells that gives blood its color, was born on this day in 1881.
On the other hand, the chemoautotrophic hypothesis posits that iron sulfide reactions released hydrogen, which combined with carbon dioxide in the atmosphere to form organic compounds.
«Many stores and suppliers don't actually state what kind of iron compound is present — even in pharmacies.
The findings are consistent with the idea, first proposed nearly 40 years ago, that animals have tiny magnetic particles of an iron - containing compound called magnetite in their bodies.
On Dec. 15, 1951, Peter L. Pauson and Thomas J. Kealy, two chemists at Duquesne University, in Pittsburgh, reported a new type of organo - iron compound (Nature, DOI: 10.1038 / 1681039b0).
The alignment of unpaired electrons in multiple orbitals gives simple iron its strong magnetic and metal properties, so it's easy to see why iron compounds would be good conductors.
They detected nickel 60, the product of the radioactive decay of iron 60, in chemical compounds where, by rights iron should be found.»
Dissolved hydrogen sulphide, H2S (aq), then penetrates the wood, where it is transformed into solid reduced sulphur compounds, such as thiols, R - SH (R denotes an organic part), in the lignin of the wood and to iron (II) sulphides when iron ions are available.
Scientists investigating the Swedish warship Vasa, which sank on its maiden voyage on 10 August 1628, hit on the idea of dissolving the iron compounds present in the wood and removing them as water - soluble complexes.
Certain particle compounds may directly generate ROS in vivo because of their surface chemistry (eg, metals, organic compounds, and semiquinones) or after bioactivation by cytochrome P450 systems (eg, polycyclic aromatic hydrocarbon conversion to quinones).6, 290 a, 290 b A particle surface or anions present on otherwise more inert particles may disrupt iron homeostasis in the lung and thereby also generate ROS via Fenton reactions.291 Other PM constituents may do so indirectly by the upregulation of endogenous cellular sources (eg, nicotinamide adenine dinucleotide phosphate [NADPH]-RRB- oxidase) 292,293 or by perturbing organelle function (eg, mitochondria) by taken - up PM components.261 Particle stimulation of irritant and afferent ANS fibers may also play a role in local and systemic oxidative stress formation.294 Given the rich antioxidant defenses in the lung fluid, secondarily generated oxidization products of endogenous molecules (eg, oxidized phospholipids, proteins) or a reduction in endogenous antioxidants per se may be responsible at least in part for the state of oxidative stress in the lungs (along with instigating the subsequent cellular responses) rather than ROS derived directly from PM and its constituents.
However, spirulina is a wonderful source of vitamins A, K, trace minerals, iron, antioxidants, healthy essential fatty acids such as GLA, and powerful detoxifying and longevity - enhancing compounds such as phycocyanin, a blue pigment in plants that has been shown to have incredible health benefits for the body!
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