Search results

|[[White Phosphorus]]

A 40x53mm white phosphorus cartridge, designated '''XM574''', was developed, but not standardized. In

...[laxative]] effects. This compound is also used to control [[phosphate]] (phosphorus) levels in the blood of people suffering from kidney failure.

...[[chemical reaction|reaction]]. The second most popular method uses red [[phosphorus]], [[iodine]], and ephedrine in the reaction.

*Minerals - Calcium: 631mg; Phosphorus: 524mg; Iron: 20.2mg; Magnesium: 0mg; Sodium: 0mg; Potassium: 0mg; Zinc: 0m ...timulant''' constituents include astragalin, ascorbic acid, beta carotene, phosphorus and oleanolic acid. <ref name=autogenerated2 />

...nging nettle is an indicator that an area has high fertility (especially [[phosphorus]]) and has been disturbed.<ref>{{cite web|url=http://www.garden-helper.com/

...rolled rail steel & re-rolled rail axle steel with uncontrolled chemistry, phosphorus & carbon content. To weld rebar you must obtain a mill statement that the r

...silica]] separated from the metal, and assist in the removal of sulfur and phosphorus from the steel.

...abundant carbon, but limited essential nutrients such as [[nitrogen]] or [[phosphorus]]. The gene for PHB production has been [[cloning|cloned]] and engineered

Previously, it was considered either as “molecular fossil” or as only a phosphorus and energy source providing the survival of microorganisms under extreme co

...ing that each [[monomer]] consists of an [[orthophosphate]] radical of a [[phosphorus]] atom with three [[oxygen]]s and one negative charge neutralized by an [[a

...ers]] often employ [[silicon]]-[[nitrogen]], [[boron]]-[[nitrogen]], and [[phosphorus]]-[[nitrogen]] monomers. The non-burning characteristics of the [[inorganic ...ent|elements]] being widely used in this field: [[boron]], [[aluminum]], [[phosphorus]], [[antimony]], [[chlorine]], and [[bromine]]. One prominent advantage of

...reby a small fraction silicon atoms are replaced by electron-rich (e.g., [[phosphorus]]) or electron-poor (e.g. [[boron]]) atoms to create [[n-type semiconductor

...., Boglia, A.|year=2009|title=Well-defined transition metal complexes with phosphorus and nitrogen ligands for 1,3-dienes polymerization|journal=Coord. Chem. Rev

...with Triple Protection oil has approximately 1200 ppm of zinc and 1100 ppm phosphorus at the time of manufacture.)

These species are produced in a two steps. First [[phosphorus pentasulfide]] is treated with suitable [[alcohol]]s to give the dithiophos ...contain about 1%. For applications in oils for gasoline engines, zinc and phosphorus emissions could damage [[catalytic converter]]s and have had their quantity

AW additives typically contain [[zinc]] and [[phosphorus]] compounds.

...is used in the packaging and storing of [[White phosphorus (weapon)|white phosphorus]] to prevent contact with oxygen, which would lead to immediate combustion.

...these artifacts owe their durability not to chromium, but to their high [[phosphorus]] content, which, together with favorable local weather conditions, promote

...n [[high speed steel]]. On the other hand, [[sulfur]], [[nitrogen]], and [[phosphorus]] make steel more brittle, so these commonly found elements must be removed ...lining the converter with a [[basic (chemistry)|basic]] material to remove phosphorus. Another improvement in steelmaking was the [[Siemens-Martin process]], whi

...rom the fire in a [[reverberatory furnace]] to prevent harmful sulphur and phosphorus from entering the finished iron. Puddled iron, although also variable in it ...known as ''coldshear'', ''colshire'' or ''bloodshot'', contains excessive phosphorus. It is very brittle when it is cold. It cracks if bent. It may, however, be

...e of [[calcium]] and [[iron]]. Whole hempseeds are also a good source of [[phosphorus]], [[magnesium]], [[zinc]], [[copper]] and [[manganese]]. ...to clear impurities out of wastewater, such as sewage effluent, excessive phosphorus from chicken litter, or other unwanted substances or chemicals. Eco-technol

...olved in it with small amounts of other impurities like sulfur, magnesium, phosphorus and manganese. As the carbon is the major impurity, the iron (pig iron) bec ...in pig iron that negatively affect material properties, such as sulfur and phosphorus, have been reduced to an acceptable level. It has a [[melting point]] in th

...This was then reacted with additional dimethylaniline in the presence of [[phosphorus oxychloride]] and [[hydrochloric acid]].<ref name=patents/>

Reaction of [[phosphorus pentachloride]] with ethylene oxide produces [[ethylene dichloride]]:<ref n [[Phosphorus trichloride]] reacts with ethylene oxide forming chloroethyl esters of phos

...n [[Bern]] in [[Switzerland]] which prohibits the use of white (yellow) [[phosphorus]] in the manufacture of [[matches]]. The treaty also prohibits the import a * John Emsley, ''The Shocking History of Phosphorus: A Biography of the Devil’s Element'' (2000) Macmillan Publishers, Ltd.:

*[[Match]]es made with [[phosphorus|white phosphorus]]. | White phosphorus

...g|left|thumb|100px| Structure of yellow arsenic As₄ and white [[phosphorus]] P₄]] Like phosphorus, arsenic exhibits [[allotropy]], although only the gray allotrope is import

...and Agriculture|volume = 84|issue = 8|pages =777–785|title = Effects of phosphorus and zinc fertilizer on cadmium uptake and distribution in flax and durum wh

...[[ester]]s are formed upon treatment with [[phosphorus trichloride]] and [[phosphorus oxychloride]], [[carbonyl chloride]], and sulphuryl chloride:

| title = Mechanism of Phosphorus-Carbon Bond Cleavage by Lithium in Tertiary Phosphines. An Optimized Synthe

...ithiolenes entails the reaction of α-hydroxyketones, [[acyloin]]s, with [[phosphorus pentasulfide|P₄S₁₀]] followed by hydrolysis and treat

...lize phosphonates as nutrient sources. Some bacteria use phosphonates as a phosphorus source for growth. Aminophosphonates can also be used as sole nitrogen sour ...iciently.<ref>{{cite journal |author=Singh R, Nolan SP |title=Synthesis of phosphorus esters by transesterification mediated by N-heterocyclic carbenes (NHCs) |j

...s at least one proton. In this case the proton is attached directly to the phosphorus atom with the structure HPO₃^2&minus;. In forming this

...rally strong Lewis acids, e.g. [[boron trifluoride]], BF₃ and [[phosphorus pentafluoride]], PF₅. Perhaps the most notable Lewis acid of th

[[Image:PdCl2(dppe)-3D-balls.png|thumb|right|220px|The two [[phosphorus]] atoms (orange) of [[1,2-Bis(diphenylphosphino)ethane|dppe]] have a bite a ...metal. The structure of the backbone and the substituents attached to the phosphorus atoms influence the chemical reactivity of the diphosphine ligand in metal

...assi, L. Sacconi "Tetradentate Tripod Ligands Containing Nitrogen, Sulfur, Phosphorus, and Arsenic as Donor Atoms" Inorganic Syntheses, 1976, vol. 16 p. 174-180.

...]])[[aluminum|Al]]₆[([[oxygen|O]][[hydrogen|H]])₄|([[phosphorus|P]]O₄)₂]₂·4H₂O) &ndash; Americ ...sup>3+</sup>[([[oxygen|O]][[hydrogen|H]],O)|([[arsenic|As]]O₄,[[phosphorus|P]]O₄,[[sulfur|S]]O₄)]₂·4[[water|H<sub>2<

...ten a limiting [[nutrient]] in many environments; i.e. the availability of phosphorus governs the rate of growth of many organisms. Living cells also use phospha In [[Ecosystem|ecosystems]] an excess of phosphorus can be problematic, especially in aquatic systems, see [[eutrophication]] a

...t can undergo alpha-[[halogenation]] with [[bromine]] in the presence of [[phosphorus tribromide|PBr₃]] as [[catalyst]] (the [[Hell-Volhard-Zelinsky h

...rated to give mainly 3-menthene, by the action of 2% [[sulfuric acid]]. [[Phosphorus pentachloride|PCl₅]] gives menthyl chloride.

*[[Phosphorus]]

...y, long life, and high content of [[fat]], [[protein]], [[calcium]], and [[phosphorus]]. Cheese is more compact and has a longer shelf life than milk. [[Cheesema In general, cheese supplies a great deal of [[calcium]], [[protein]], [[phosphorus]] and [[fat]]. A {{convert|30|g|adj=on}} serving of Cheddar cheese contains