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There is tentative evidence that saline nasal irrigation may help with long term cases of rhinosinusitis. Evidence for use in cases of rhinosinusitis of short duration is unclear. | 0 | Salts |
Pure bismuth is a semimetal, containing a small band gap, which leads to it having a relatively high conductivity ( at 20 °C). When the bismuth is doped with antimony, the conduction band decreases in energy and the valence band increases in energy. At an antimony concentration of 4%, the two bands intersect, forming a... | 1 | Semiconductor Materials |
Selenosulfide groups can be found in almost all living organisms as part of various peroxidase enzymes, such as glutathione peroxidase and thioredoxin reductase. They are formed by the oxidative coupling of selenocysteine and cysteine residues. This reaction is powered by the decomposition of cellular peroxides, which... | 1 | Semiconductor Materials |
Currently, in many countries, such as Spain, Israel, Chile and Australia, the development of a rigorous environmental impact assessment process is required, both for the construction and operational phases. During its developent, the most important legal management tools are established within the local environmental r... | 0 | Salts |
Tin(IV) oxide can be used as a polishing powder, sometimes in mixtures also with lead oxide, for polishing glass, jewelry, marble and silver. Tin(IV) oxide for this use is sometimes called as "putty powder" or "jeweler's putty". | 1 | Semiconductor Materials |
Europium hydride is the most common hydride of europium with a chemical formula EuH. In this compound, europium atom is in the +2 oxidation state and the hydrogen atoms are -1. It is a ferromagnetic semiconductor. | 1 | Semiconductor Materials |
Lead tetroxide ("red lead"), a valence-mixed oxide with formula (red), may be thought of as lead(II) orthoplumbate(IV), . Lead sesquioxide, , is also known (reddish yellow), and has the structure of lead(II) metaplumbate(IV), . | 0 | Salts |
At the beginning of 2008, potash prices started a meteoric climb from less than US$200 a tonne to a high of US$875 in February 2009. These subsequently dropped dramatically to an April 2010 low of US$310 level, before recovering in 2011–12, and relapsing again in 2013. For reference, prices in November 2011 were about ... | 0 | Salts |
Abraum salts is the name given to a mixed deposit of salts, including halite (sodium chloride), carnallite, and kieserite (magnesium sulfate), found in association with rock salt at Aschersleben-Staßfurt in Germany. The term comes from the German Abraum-salze, "salts to be removed."
Abraum, which is red, is used to dar... | 0 | Salts |
Iron phosphide is a hazardous substance.
Proper eye protection such as goggles should always be used when handling iron phosphide. It can be very harmful to the eyes, especially for individuals wearing contact lenses. Contact lenses have been known to react poorly with iron phosphide due to its corrosive properties, bu... | 1 | Semiconductor Materials |
Bismuth selenide is a semiconductor and a thermoelectric material. While stoichiometric bismuth selenide should be a semiconductor with a gap of 0.3 eV, naturally occurring selenium vacancies act as electron donors, so BiSe is intrinsically n-type.
Bismuth selenide has a topologically insulating ground-state. Topologic... | 1 | Semiconductor Materials |
Copper indium gallium (di)selenide (CIGS) is a I-III-VI semiconductor material composed of copper, indium, gallium, and selenium. The material is a solid solution of copper indium selenide (often abbreviated "CIS") and copper gallium selenide. It has a chemical formula of CuInGaSe, where the value of x can vary from 0 ... | 1 | Semiconductor Materials |
Most ionic compounds are very brittle. Once they reach the limit of their strength, they cannot deform malleably, because the strict alignment of positive and negative ions must be maintained. Instead the material undergoes fracture via cleavage. As the temperature is elevated (usually close to the melting point) a duc... | 0 | Salts |
In the Atacama Desert in northern Chile, vast deposits of a mixture, also referred to as caliche, are composed of gypsum, sodium chloride and other salts, and sand, associated to salitre ("Chile saltpeter"). Salitre, in turn, is a composite of sodium nitrate (NaNO) and potassium nitrate (KNO). Salitre was an important ... | 0 | Salts |
Since the end of the repository for radioactive waste Morsleben in 1998, the salt dome stability deteriorated to a state where it could collapse. Since 2003, a volume of m of salt-concrete has been pumped into the pit to temporarily stabilize the upper levels. In addition another m of salt-concrete will be used to te... | 0 | Salts |
When the Na (sodium) predominates, soils can become sodic. The pH of sodic soils may be acidic, neutral or alkaline.
Sodic soils present particular challenges because they tend to have very poor structure which limits or prevents water infiltration and drainage. They tend to accumulate certain elements like boron and ... | 0 | Salts |
Converting amines into their hydrochlorides is a common way to improve their water solubility, which can be desirable for substances used in medications. The European Pharmacopoeia lists more than 200 hydrochlorides as active ingredients in medications. These hydrochlorides, compared to free bases, may more readily dis... | 0 | Salts |
Surlyn is the brand name of an ionomer resin created by DuPont, a copolymer of ethylene and methacrylic acid used as a coating and packaging material.
DuPont neutralizes the acid with NaOH, yielding the sodium salt.
Crystals of ethylene-methacrylic acid ionomers exhibit dual melting behavior. | 0 | Salts |
Estropipate has been discontinued in the United States. In the past, estropipate has also been marketed in Canada, the United Kingdom, Ireland, Switzerland, Australia, South Africa, Mexico, and Indonesia. | 0 | Salts |
In France, by the second half of the 15th century, the semi-industrialized professional manufacture of soap was concentrated in a few centers of Provence—Toulon, Hyères, and Marseille—which supplied the rest of France. In Marseilles, by 1525, production was concentrated in at least two factories, and soap production at... | 0 | Salts |
Pure single crystals of β-LiGaO with a length of several inches can be grown by the Czochralski method. Their cleaved surfaces have lattice constants that match those of ZnO and GaN and are therefore suitable for epitaxial growth of thin films of those materials. β-LiGaO is a potential nonlinear optics material, but it... | 1 | Semiconductor Materials |
Lead iodide prepared from cold solutions usually consists of many small hexagonal platelets, giving the yellow precipitate a silky appearance. Larger crystals can be obtained by exploiting the fact that solubility of lead iodide in water (like those of lead chloride and lead bromide) increases dramatically with tempera... | 1 | Semiconductor Materials |
GraphExeter is a material consisting of a few graphene sheets with a layer of ferric chloride molecules in between each graphene sheet. It was created by The Centre for Graphene Science at the University of Exeter in collaboration with the University of Bath. | 1 | Semiconductor Materials |
Copper(I) thiocyanate forms from the spontaneous decomposition of black copper(II) thiocyanate, releasing thiocyanogen, especially when heated. It is also formed from copper(II) thiocyanate under water, releasing (among others) thiocyanic acid and the highly poisonous hydrogen cyanide. It is conveniently prepared from ... | 1 | Semiconductor Materials |
The method of production influences the polymorph generated. For example, thin films of pure γ-InSe have been produced from trimethylindium (InMe) and hydrogen selenide via MOCVD techniques.
A conventional route entails heating the elements in a seal-tube: | 1 | Semiconductor Materials |
Bismuth telluride () is a gray powder that is a compound of bismuth and tellurium also known as bismuth(III) telluride. It is a semiconductor, which, when alloyed with antimony or selenium, is an efficient thermoelectric material for refrigeration or portable power generation. is a topological insulator, and thus exhi... | 1 | Semiconductor Materials |
Originally, an alcoholate was the crystalline form of a salt in which alcohol took the place of water of crystallization, such as [SnCl(OCH)·CHOH] and CHNO·CHOH. However this denomination should not be used anymore for the ending -ate often occurs in names for anions.
The second meaning of the word is that of a tinctur... | 0 | Salts |
Excessive respiratory disease due to environmental hazards, such as radon and asbestos, has been a concern for potash miners throughout history. Potash miners are liable to develop silicosis. Based on a study conducted between 1977 and 1987 of cardiovascular disease among potash workers, the overall mortality rates wer... | 0 | Salts |
Indian Salt Service is a Central Engineering Service of the Government of India. Under the administrative control of the Ministry of Commerce and Industry, it is one of the smallest Central services under the Government of India. | 0 | Salts |
Copper(I) iodide reacts with mercury vapors to form copper tetraiodomercurate:
:4CuI + Hg → CuHgI + 2Cu
This reaction can be used for the detection of mercury since the white (CuI) to brown (CuHgI) color change is dramatic.
Copper(I) iodide is used in the synthesis of Cu(I) clusters such as .
Copper(I) iodide di... | 1 | Semiconductor Materials |
Salt lakes form when the water flowing into the lake, containing salt or minerals, cannot leave because the lake is endorheic (terminal). The water then evaporates, leaving behind any dissolved salts and thus increasing its salinity, making a salt lake an excellent place for salt production. High salinity can also lead... | 0 | Salts |
In a domestic setting, "soap" usually refers to what is technically called a toilet soap, used for household and personal cleaning. When used for cleaning, soap solubilizes particles and fats/oils, which can then be separated from the article being cleaned.
The insoluble oil/fat molecules become associated inside micel... | 0 | Salts |
The polyatomic ion , sometimes called allylide, is found in and . The ion is linear and is isoelectronic with . The C–C distance in MgC is 133.2 pm. yields methylacetylene, CHCCH, and propadiene, CHCCH, on hydrolysis, which was the first indication that it contains . | 0 | Salts |
The high concentration of bromide and magnesium in the Dead Sea salt may help relieve allergic reactions of the skin by reducing inflammation. | 0 | Salts |
Samarium arsenide forms crystals of a cubic system, space group Fm3m, cell parameters a = 0.5921 nm, Z = 4, of NaCl-structure.
The compound melts congruently at 2257 °C. | 1 | Semiconductor Materials |
An electride is an ionic compound in which an electron serves the role of the anion. Solutions of alkali metals in ammonia are electride salts. In the case of sodium, these blue solutions consist of [Na(NH)] and solvated electrons:
:Na + 6 NH → [Na(NH)] + e
The cation [Na(NH)] is an octahedral coordination comple... | 0 | Salts |
also possesses mechanical strength, electrical conductivity, and can emit light, opening possible applications such as photodetectors. has been investigated as a component of photoelectrochemical (e.g. for photocatalytic hydrogen production) applications and for microelectronics applications. | 1 | Semiconductor Materials |
Molybdenite is an important ore of molybdenum, and is the most common source of the metal. While molybdenum is rare in the Earths crust, molybdenite is relatively common and easy to process, and accounts for much of the metals economic viability. Molybdenite is purified by froth flotation, and then oxidized to form so... | 1 | Semiconductor Materials |
Brine is a byproduct of many industrial processes, such as desalination, power plant cooling towers, produced water from oil and natural gas extraction, acid mine or acid rock drainage, reverse osmosis reject, chlor-alkali wastewater treatment, pulp and paper mill effluent, and waste streams from food and beverage proc... | 0 | Salts |
In those cases where salt layers do not have the conditions necessary to develop passive salt structures, the salt may still move into relatively low pressure areas around developing folds and faults. Such structures are described as reactive. | 0 | Salts |
Limnologists and chemists often define salinity in terms of mass of salt per unit volume, expressed in units of mg/L or g/L. It is implied, although often not stated, that this value applies accurately only at some reference temperature because solution volume varies with temperature. Values presented in this way are t... | 0 | Salts |
Phosphorene 2D materials are composed of individual layers held together by van der Waals forces in lieu of covalent or ionic bonds that are found in most materials. There are five electrons on 3p orbitals of phosphorus atom, thus, giving rise to sp hybridization of phosphorus atom within phosphorene structure. Monolay... | 1 | Semiconductor Materials |
Bismuth telluride is a well-studied topological insulator. Its physical properties have been shown to change at highly reduced thicknesses, when its conducting surface states are exposed and isolated. These thin samples are obtained through either epitaxy or mechanical exfoliation.
Epitaxial growth methods such as mole... | 1 | Semiconductor Materials |
Lead iodide is very toxic to human health. Ingestion will cause many acute and chronic consequences characteristic of lead poisoning. Lead iodide has been found to be a carcinogen in animals suggesting the same may hold true in humans. Lead iodide is an inhalation hazard, and appropriate respirators should be used when... | 1 | Semiconductor Materials |
The mitigation measures that are typically employed to prevent negatively impact sensitive marine enviorment are listed below:
* A well-designed discharge mechanisms, employing the use of efficient diffusers or pre-dilution of discharges with seawater
* An environmental evaluation study, which assesses the correct loca... | 0 | Salts |
Tungsten disilicide can react violently with substances such as strong acids, fluorine, oxidizers, and interhalogens. | 1 | Semiconductor Materials |
Because of the properties of europium(II) oxide, thin layers of the oxide deposited on silicon are being studied for use as spin filters. Spin filter materials only allow electrons of a certain spin to pass, blocking electrons of the opposite spin. | 1 | Semiconductor Materials |
Quantum beats are observable in systems in which the total optical polarization is due to a finite number of discrete transition frequencies which are quantum mechanically coupled, e.g., by common ground or excited states.
Assuming for simplicity that all these transitions have the same dipole matrix element, after exc... | 1 | Semiconductor Materials |
Cobalt oxide/graphene composite are synthesized by first forming cobalt(II) hydroxide on the graphene sheet from a cobalt(II) salt and ammonium hydroxide , which is then heated to 450 °C for two hours to yield the oxide. | 1 | Semiconductor Materials |
Brine consists of concentrated solution of Na and Cl ions. Sodium chloride per se does not exist in water: it is fully ionized. Other cations found in various brines include K, Mg, Ca, and Sr. The latter three are problematic because they form scale and they react with soaps. Aside from chloride, brines sometimes c... | 0 | Salts |
Pyrite oxidation is sufficiently exothermic that underground coal mines in high-sulfur coal seams have occasionally had serious problems with spontaneous combustion. The solution is the use of buffer blasting and the use of various sealing or cladding agents to hermetically seal the mined-out areas to exclude oxygen.
I... | 1 | Semiconductor Materials |
To be of use for connecting molecules, MWs need to self-assemble following well-defined routes and form reliable electrical contacts between them. To reproducibly self-assemble a complex circuit based on single molecules. Ideally, they would connect to diverse materials, such as gold metal surfaces (for connections to ... | 1 | Semiconductor Materials |
Uranium dioxide or uranium(IV) oxide (), also known as urania or uranous oxide, is an oxide of uranium, and is a black, radioactive, crystalline powder that naturally occurs in the mineral uraninite. It is used in nuclear fuel rods in nuclear reactors. A mixture of uranium and plutonium dioxides is used as MOX fuel. Pr... | 1 | Semiconductor Materials |
A significant proportion of the world's hydrocarbon reserves are found in structures related to salt tectonics, including many in the Middle East, the South Atlantic passive margins (Brazil, Gabon and Angola), the Gulf of Mexico, and the Pricaspian Basin. | 0 | Salts |
Due to weak van der Waals interactions between the sheets of sulfide atoms, has a low coefficient of friction. in particle sizes in the range of 1–100 µm is a common dry lubricant. Few alternatives exist that confer high lubricity and stability at up to 350 °C in oxidizing environments. Sliding friction tests of usi... | 1 | Semiconductor Materials |
A detergent similar to soap was manufactured in ancient China from the seeds of Gleditsia sinensis. Another traditional detergent is a mixture of pig pancreas and plant ash called zhuyizi (). Soap made of animal fat did not appear in China until the modern era. Soap-like detergents were not as popular as ointments and ... | 0 | Salts |
Pyrite is distinguishable from native gold by its hardness, brittleness and crystal form. Pyrite fractures are very uneven, sometimes conchoidal because it does not cleave along a preferential plane. Native gold nuggets, or glitters, do not break but deform in a ductile way. Pyrite is brittle, gold is malleable.
Natura... | 1 | Semiconductor Materials |
Terbium(III) oxide, also known as terbium sesquioxide, is a sesquioxide of the rare earth metal terbium, having chemical formula . It is a p-type semiconductor, which conducts protons, which is enhanced when doped with calcium. It may be prepared by the reduction of Terbium(III,IV) oxide| in hydrogen at 1300 °C for 24 ... | 1 | Semiconductor Materials |
For many applications, the counterion simply provides charge and lipophilicity that allows manipulation of its partner ion. The counterion is expected to be chemically inert. For counteranions, inertness is expressed in terms of low Lewis basicity. The counterions are ideally rugged and unreactive. For quaternary am... | 0 | Salts |
*Priority existing chemical Report No. 5 [https://web.archive.org/web/20110223034648/http://nicnas.gov.au/Publications/CAR/PEC/PEC5/PEC_5_Full_Report_PDF.pdf Sodium Ethyl Xanthate], [http://www.nicnas.gov.au/ National Industrial Chemicals Notification and Assessment Scheme], Dep. of Health and Ageing, Australian Govern... | 0 | Salts |
Europium(II) oxide is a violet compound as a bulk crystal and transparent blue in thin film form. It is unstable in humid atmosphere, slowly turning into the yellow europium(II) hydroxide hydrrate and then to white europium(III) hydroxide. EuO crystallizes in a cubic sodium chloride structure with a lattice parameter a... | 1 | Semiconductor Materials |
NaH is a base of wide scope and utility in organic chemistry. As a superbase, it is capable of deprotonating a range of even weak Brønsted acids to give the corresponding sodium derivatives. Typical "easy" substrates contain O-H, N-H, S-H bonds, including alcohols, phenols, pyrazoles, and thiols.
NaH notably deprotonat... | 1 | Semiconductor Materials |
While the formation of other caliches is relatively well understood, the origin of Chilean caliche is not clearly known. One possibility is that the deposits were formed when a prehistoric inland sea evaporated. Another theory is that it was deposited due to weathering of the Andes.
One of the world's largest deposits ... | 0 | Salts |
InS nanoparticles luminesce in the visible spectrum. Preparing InS nanoparticles in the presence of other heavy metal ions creates highly efficient blue, green, and red phosphors, which can be used in projectors and instrument displays. | 1 | Semiconductor Materials |
Copper(I) thiocyanate forms one double salt with the group 1 elements, CsCu(SCN). The double salt only forms from concentrated solutions of CsSCN, into which CuSCN dissolves. From less concentrated solutions, solid CuSCN separates reflecting its low solubility. When brought together with potassium, sodium or barium thi... | 1 | Semiconductor Materials |
Pyrite oxidation by atmospheric in the presence of moisture () initially produces ferrous ions () and sulfuric acid which dissociates into sulfate ions and protons, leading to acid mine drainage (AMD). An example of acid rock drainage caused by pyrite is the 2015 Gold King Mine waste water spill. | 1 | Semiconductor Materials |
The alkali metal thioxanthates are produced by treating a thiol with a base in the presence of carbon disulfide, as illustrated by the preparation of sodium ethyl thioxanthate:.
:EtSH + NaOH + CS → EtSCSNa + HO
Sodium ethyl thioxanthate is similar structurally to sodium ethyl xanthate.
Alkylation of such thio... | 0 | Salts |
Salt-like carbides are composed of highly electropositive elements such as the alkali metals, alkaline earth metals, lanthanides, actinides, and group 3 metals (scandium, yttrium, and lutetium). Aluminium from group 13 forms carbides, but gallium, indium, and thallium do not. These materials feature isolated carbon cen... | 0 | Salts |
FeO has a cubic inverse spinel group structure which consists of a cubic close packed array of oxide ions where all of the Fe ions occupy half of the octahedral sites and the Fe are split evenly across the remaining octahedral sites and the tetrahedral sites.
Both FeO and γ-FeO have a similar cubic close packed array o... | 1 | Semiconductor Materials |
When simple salts dissolve, they dissociate into individual ions, which are solvated and dispersed throughout the resulting solution. Salts do not exist in solution. In contrast, molecular compounds, which includes most organic compounds, remain intact in solution.
The solubility of salts is highest in polar solvent... | 0 | Salts |
Strong salts or strong electrolyte salts are chemical salts composed of strong electrolytes. These salts dissociate completely or almost completely in water. They are generally odorless and nonvolatile.
Strong salts start with Na__, K__, NH__, or they end with __NO, __ClO, or __CHCOO. Most group 1 and 2 metals form str... | 0 | Salts |
Salinity () is the saltiness or amount of salt dissolved in a body of water, called saline water (see also soil salinity). It is usually measured in g/L or g/kg (grams of salt per liter/kilogram of water; the latter is dimensionless and equal to ‰).
Salinity is an important factor in determining many aspects of the ch... | 0 | Salts |
Iron pyrite is unstable when exposed to the oxidizing conditions prevailing at the Earths surface: iron pyrite in contact with atmospheric oxygen and water, or damp, ultimately decomposes into iron oxyhydroxides (ferrihydrite, FeO(OH)) and sulfuric acid (). This process is accelerated by the action of Acidithiobacillus... | 1 | Semiconductor Materials |
Saline (also known as saline solution) is a mixture of sodium chloride (salt) and water. It has a number of uses in medicine including cleaning wounds, removal and storage of contact lenses, and help with dry eyes. By injection into a vein, it is used to treat dehydration such as that from gastroenteritis and diabetic ... | 0 | Salts |
Ions in ionic compounds are primarily held together by the electrostatic forces between the charge distribution of these bodies, and in particular, the ionic bond resulting from the long-ranged Coulomb attraction between the net negative charge of the anions and net positive charge of the cations. There is also a small... | 0 | Salts |
The alkali metal halides exist as colourless crystalline solids, although as finely ground powders appear white. They melt at high temperature, usually several hundred degrees to colorless liquids. Their high melting point reflects their high lattice energies. At still higher temperatures, these liquids evaporate to... | 0 | Salts |
Cellulose reacts with carbon disulfide (CS) in presence of sodium hydroxide (NaOH) to produces sodium cellulose xanthate, which upon neutralization with sulfuric acid (HSO) gives viscose rayon or cellophane paper (Sellotape or Scotch Tape).
Xanthate salts (e.g. sodium alkyl xanthates, dixanthogen) are widely used as fl... | 0 | Salts |
Acid salts are a class of salts that produce an acidic solution after being dissolved in a solvent. Its formation as a substance has a greater electrical conductivity than that of the pure solvent. An acidic solution formed by acid salt is made during partial neutralization of diprotic or polyprotic acids. A half-neutr... | 0 | Salts |
Copper(II) chloride is a mild oxidant. It starts to decompose to copper(I) chloride and chlorine gas around and is completely decomposed near :
The reported melting point of copper(II) chloride of is a melt of a mixture of copper(I) chloride and copper(II) chloride. The true melting point of can be extrapolated by u... | 1 | Semiconductor Materials |
High levels of soil salinity can be tolerated if salt-tolerant plants are grown. Sensitive crops lose their vigor already in slightly saline soils, most crops are negatively affected by (moderately) saline soils, and only salinity-resistant crops thrive in severely saline soils. The University of Wyoming and the Gover... | 0 | Salts |
Molybdenum disilicide (MoSi, or molybdenum silicide), an intermetallic compound, a silicide of molybdenum, is a refractory ceramic with primary use in heating elements. It has moderate density, melting point 2030 °C, and is electrically conductive. At high temperatures it forms a passivation layer of silicon dioxide, p... | 1 | Semiconductor Materials |
Nano particles of FeO are used as contrast agents in MRI scanning.
Ferumoxytol, sold under the brand names Feraheme and Rienso, is an intravenous FeO preparation for treatment of anemia resulting from chronic kidney disease. Ferumoxytol is manufactured and globally distributed by AMAG Pharmaceuticals. | 1 | Semiconductor Materials |
reacts with HCl or other chloride sources to form complex ions: the red (found in potassium trichloridocuprate(II) ) (it is a dimer in reality, , a couple of tetrahedrons that share an edge), and the green or yellow (found in potassium tetrachloridocuprate(II) ).
Some of these complexes can be crystallized from aqueo... | 1 | Semiconductor Materials |
Characterization of crystalline g-CN can be carried out by identifying the triazine ring existing in the products by X-ray photoelectron spectroscopy (XPS) measurements, photoluminescence spectra and Fourier transform infrared spectroscopy (FTIR) spectrum (peaks at 800 cm, 1310 cm and 1610 cm). | 1 | Semiconductor Materials |
Salts of , , , etc. are labeled as iodoplumbates. Lead perovskite semiconductors are often described as plumbates. | 0 | Salts |
When heated to 700 °C, indium(III) oxide forms InO, (called indium(I) oxide or indium suboxide), at 2000 °C it decomposes.
It is soluble in acids but not in alkali.
With ammonia at high temperature indium nitride is formed:
: InO + 2 NH → 2 InN + 3 HO
With KO and indium metal the compound KInO containing tetrahedral I... | 1 | Semiconductor Materials |
Mercury(II) iodide is a chemical compound with the molecular formula HgI. It is typically produced synthetically but can also be found in nature as the extremely rare mineral coccinite. Unlike the related mercury(II) chloride it is hardly soluble in water (<100 ppm). | 1 | Semiconductor Materials |
It is uncertain as to who was the first to invent soap. The earliest recorded evidence of the production of soap-like materials dates back to around 2800 BC in ancient Babylon. A formula for making soap was written on a Sumerian clay tablet around 2500 BC; the soap was produced by heating a mixture of oil and wood ash,... | 0 | Salts |
Pliny the Elder, whose writings chronicle life in the first century AD, describes soap as "an invention of the Gauls".
The word , Latin for soap, likely was borrowed from an early Germanic language and is cognate with Latin , "tallow". It first appears in Pliny the Elders account, Historia Naturalis, which discusses th... | 0 | Salts |
Bamboo salt (, ) is a Korean condiment and traditional remedy. It is prepared by packing sea salt in a thick bamboo stem, and baking it nine times at high temperature using pine firewood. During the baking processes, the impurities in the salt are claimed to be removed or neutralized while its inorganic contents, such... | 0 | Salts |
Several carbides are assumed to be salts of the acetylide anion (also called percarbide, by analogy with peroxide), which has a triple bond between the two carbon atoms. Alkali metals, alkaline earth metals, and lanthanoid metals form acetylides, for example, sodium carbide NaC, calcium carbide CaC, and LaC. Lanthanid... | 0 | Salts |
Sodium ethyl xanthate (SEX) is an organosulfur compound with the chemical formula . It is a pale yellow powder, which is usually obtained as the dihydrate. Sodium ethyl xanthate is used in the mining industry as a flotation agent. A closely related potassium ethyl xanthate (KEX) is obtained as the anhydrous salt. | 0 | Salts |
Macroscopically, Maxwell's equations show that in the absence of free charges and currents an electromagnetic field interacts with matter via the optical polarization . The wave equation for the electric field reads and shows that the second derivative with respect to time of , i.e., , appears as a source term in the... | 1 | Semiconductor Materials |
Most types of molecular wires are derived from organic molecules. One naturally occurring molecular wire is DNA. Prominent inorganic examples include polymeric materials such as LiMoSe and MoSI, [Pd(CO)(OAc)Pd(acac)], and single-molecule extended metal atom chains (EMACs) which comprise strings of transition metal atom... | 1 | Semiconductor Materials |
Due to the lack of spatial inversion symmetry, odd-layer MoS2 is a promising material for valleytronics because both the CBM and VBM have two energy-degenerate valleys at the corners of the first Brillouin zone, providing an exciting opportunity to store the information of 0s and 1s at different discrete values of the ... | 1 | Semiconductor Materials |
Since they are salts of fatty acids, soaps have the general formula (RCO)M, where R is an alkyl, M is a metal and n is the charge of the cation. The major classification of soaps is determined by the identity of M. When M is Na (sodium) or K (potassium), the soaps are called toilet soaps, used for handwashing. Many met... | 0 | Salts |
In conjunction with vanadium oxide, it is used as a catalyst for the oxidation of aromatic compounds in the synthesis of carboxylic acids and acid anhydrides. | 1 | Semiconductor Materials |
The Indian Salt Service is part of India's Salt Organization which is headquartered in Jaipur. The service is headed by the Salt Commissioner below whom are five Deputy Salt Commissioners and nine Assistant Salt Commissioners who man the agency with the help of other supporting staff. The Deputy Salt Commissioners head... | 0 | Salts |
Uranium dioxide is produced by reducing uranium trioxide with hydrogen.
:UO + H → UO + HO at 700 °C (973 K)
This reaction plays an important part in the creation of nuclear fuel through nuclear reprocessing and uranium enrichment. | 1 | Semiconductor Materials |
Sodium hydride is the chemical compound with the empirical formula NaH. This alkali metal hydride is primarily used as a strong yet combustible base in organic synthesis. NaH is a saline (salt-like) hydride, composed of Na and H ions, in contrast to molecular hydrides such as borane, silane, germane, ammonia, and metha... | 1 | Semiconductor Materials |
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