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Facultative lagoon Areas with a consistently cool, but frost-free, climate may sustain facultative conditions in the first stabilization pond when treating lightly polluted water at low temperatures favorable to high concentrations of dissolved oxygen with low metabolic rates. Facultative pond stratification becomes un... | https://en.wikipedia.org/wiki?curid=24546490 |
Facultative lagoon Biological activity within a facultative lagoon varies directly with temperature. Warm weather will require large oxygen transfer rates, and waste accumulation during cold weather can cause short-term warm weather oxygen requirements to exceed long-term waste loading rates. Algae can provide surface ... | https://en.wikipedia.org/wiki?curid=24546490 |
Facultative lagoon the environment. Vertical stratification including an aerobic surface layer, an anaerobic bottom layer, and a facultative intermediate layer is essential to proper functioning of a facultative lagoon ecosystem. Stratification is maintained by a thermal gradient of cool, dense water at the bottom of t... | https://en.wikipedia.org/wiki?curid=24546490 |
Facultative lagoon Algae may cause measurable contribution to biochemical oxygen demand (BOD) and total suspended solids (TSS) concentrations where discharge regulations include limitations on those concentrations. The TSS contribution of algae tends to peak in the summer months, but the long-term BOD of decomposing al... | https://en.wikipedia.org/wiki?curid=24546490 |
Spherium The "spherium" model consists of two electrons trapped on the surface of a sphere of radius formula_1. It has been used by Berry and collaborators to understand both weakly and strongly correlated systems and to suggest an "alternating" version of Hund's rule. Seidl studies this system in the context of densit... | https://en.wikipedia.org/wiki?curid=24547165 |
Spherium It follows that the exact correlation energy for formula_26 is formula_27 which is much larger than the limiting correlation energies of the helium-like ions (formula_28) or Hooke's atoms (formula_29). This confirms the view that electron correlation on the surface of a sphere is qualitatively different from t... | https://en.wikipedia.org/wiki?curid=24547165 |
Nuclear magnetic resonance decoupling (NMR decoupling for short) is a special method used in nuclear magnetic resonance (NMR) spectroscopy where a sample to be analyzed is irradiated at a certain frequency or frequency range to eliminate fully or partially the effect of coupling between certain nuclei. NMR coupling ref... | https://en.wikipedia.org/wiki?curid=24548881 |
Nuclear magnetic resonance decoupling Homonuclear decoupling is when the nuclei being radio frequency (rf) irradiated are the same isotope as the nuclei being observed (analyzed) in the spectrum. Heteronuclear decoupling is when the nuclei being rf irradiated are of a different isotope than the nuclei being observed in... | https://en.wikipedia.org/wiki?curid=24548881 |
Nuclear magnetic resonance decoupling Similarly for all practical purposes, C signal splitting due to coupling with nearby natural isotopic abundance carbons is negligible in C NMR spectra. However, practically all hydrogen bonded to carbon atoms is H in natural isotopic abundance samples, including any C nuclei bonded... | https://en.wikipedia.org/wiki?curid=24548881 |
Nuclear magnetic resonance decoupling There can also be off-resonance decoupling of H from C nuclei in C NMR spectroscopy, where weaker rf irradiation results in what can be thought of as partial decoupling. In such an off-resonance decoupled spectrum, only H atoms bonded to a carbon atom will split its C signal. The c... | https://en.wikipedia.org/wiki?curid=24548881 |
Nuclear magnetic resonance decoupling of a single H signal which then leads to the collapse of the J coupling pattern of only those observed heteronuclear or non-decoupled H signals which are J coupled to the irradiated H signal. Other parts of the spectrum remain unaffected. In other words this specific decoupling met... | https://en.wikipedia.org/wiki?curid=24548881 |
Rare Earths Facility The was a production plant for various chemicals and metals including thorium, uranium, and radium. It was located in West Chicago, Illinois, USA. The site was opened in 1931 by the Lindsay Light and Chemical Company. It processed ores like monazite to produce elements, including thorium and uraniu... | https://en.wikipedia.org/wiki?curid=24548944 |
Rare Earths Facility The floodplain includes people's yards. The West Chicago Sewage Treatment Plant was contaminated when mill tailings from REF were used as fill dirt there. This also resulted in pollution of the West Branch Dupage River from runoff and erosion. In 1991, the Illinois Department of Public Health found... | https://en.wikipedia.org/wiki?curid=24548944 |
Experimental Mechanics is a peer-reviewed scientific journal covering all areas of experimental mechanics. It is an official journal of the Society for and was established in 1961, being published monthly. From 1983 to 2003, it was published quarterly, increasing to 6 issues per year until 2009. Since then it has 9 iss... | https://en.wikipedia.org/wiki?curid=24549947 |
Materials and Structures is a peer-reviewed scientific journal published by Springer Science+Business Media on behalf of RILEM (the International Union of Laboratories and Experts in Construction Materials, Systems and Structures). It covers research on fundamental properties of building materials, their characterizati... | https://en.wikipedia.org/wiki?curid=24550755 |
C22H29NO5 The molecular formula CHNO may refer to: | https://en.wikipedia.org/wiki?curid=24551188 |
C22H28NO3 The molecular formula CHNO3 (CHNO, molar mass: 354.46 g/mol) may refer to: | https://en.wikipedia.org/wiki?curid=24551288 |
C21H26NO3 The molecular formula CHNO (molar mass : 340.44 g/mol) may refer to : | https://en.wikipedia.org/wiki?curid=24551397 |
Journal of Materials Science: Materials in Electronics The is a peer-reviewed scientific journal published by Springer Science+Business Media. It is an offshoot of the "Journal of Materials Science", focusing specifically on materials used in electronics. The editor-in-chief is Safa Kasap (University of Saskatchewan, C... | https://en.wikipedia.org/wiki?curid=24551539 |
C20H21N3O The molecular formula CHNO (molar mass: 319.400 g/mol) may refer to: | https://en.wikipedia.org/wiki?curid=24551775 |
C21H29N The molecular formula CHN may refer to: | https://en.wikipedia.org/wiki?curid=24551884 |
C18H23N The molecular formula CHN (molar mass: 253.382 g/mol) may refer to: | https://en.wikipedia.org/wiki?curid=24552097 |
C21H24O11 The molecular formula CHO (molar mass: 452.41 g/mol, exact mass: 452.131862 u) may refer to: | https://en.wikipedia.org/wiki?curid=24558407 |
Union process The was an above ground shale oil extraction technology for production of shale oil, a type of synthetic crude oil. The process used a vertical retort where heating causes decomposition of oil shale into shale oil, oil shale gas and spent residue. The particularity of this process is that oil shale in the... | https://en.wikipedia.org/wiki?curid=24561471 |
Union process Construction started in 1981 at Long Ridge in Garfield County, Colorado, and the plant was started its operations in 1986. It was closed in 1991 after production of shale oil. The can be operated in two different combustion modes, which are direct and indirect. The Union A (direct) process is similar to t... | https://en.wikipedia.org/wiki?curid=24561471 |
Union process Oil vapors are cooled by the raw oil, thus minimizing polymer formation among the hydrocarbon fractions. | https://en.wikipedia.org/wiki?curid=24561471 |
C6H3N3O6 The molecular formula CHNO may refer to: | https://en.wikipedia.org/wiki?curid=24561957 |
Biophysical chemistry is a physical science that uses the concepts of physics and physical chemistry for the study of biological systems. The most common feature of the research in this subject is to seek explanation of the various phenomena in biological systems in terms of either the molecules that make up the system... | https://en.wikipedia.org/wiki?curid=24568072 |
Biophysical chemistry journals include "Biophysical Journal", "Archives of Biochemistry and Biophysics" (published by Academic Press), "Biochemical and Biophysical Research Communications" (Academic Press), "Biochimica et Biophysica Acta" (Elsevier Science), "Biophysical Chemistry", "An International Journal devoted to... | https://en.wikipedia.org/wiki?curid=24568072 |
Cobalt is a chemical element with the symbol Co and atomic number 27. Like nickel, cobalt is found in the Earth's crust only in chemically combined form, save for small deposits found in alloys of natural meteoric iron. The free element, produced by reductive smelting, is a hard, lustrous, silver-gray metal. Cobalt-bas... | https://en.wikipedia.org/wiki?curid=24580536 |
Cobalt The compounds cobalt silicate and cobalt(II) aluminate (CoAlO, cobalt blue) give a distinctive deep blue color to glass, ceramics, inks, paints and varnishes. occurs naturally as only one stable isotope, cobalt-59. Cobalt-60 is a commercially important radioisotope, used as a radioactive tracer and for the produ... | https://en.wikipedia.org/wiki?curid=24580536 |
Cobalt At ordinary temperatures, it reacts slowly with mineral acids, and very slowly with moist, but not with dry, air. Common oxidation states of cobalt include +2 and +3, although compounds with oxidation states ranging from −3 to +5 are also known. A common oxidation state for simple compounds is +2 (cobalt(II)). T... | https://en.wikipedia.org/wiki?curid=24580536 |
Cobalt The reduction potential for the reaction + e → is +1.92 V, beyond that for chlorine to chloride, +1.36 V. Consequently, cobalt(III) and chloride would result in the cobalt(III) being reduced to cobalt(II). Because the reduction potential for fluorine to fluoride is so high, +2.87 V, cobalt(III) fluoride is one o... | https://en.wikipedia.org/wiki?curid=24580536 |
Cobalt This coordination complex, a typical Werner-type complex, consists of a central cobalt atom coordinated by six ammine orthogonal ligands and three chloride counteranions. Using chelating ethylenediamine ligands in place of ammonia gives tris(ethylenediamine)cobalt(III) ([Co(en)]), which was one of the first coor... | https://en.wikipedia.org/wiki?curid=24580536 |
Cobalt All the other radioactive isotopes of cobalt have half-lives shorter than 18 hours, and in most cases shorter than 1 second. This element also has 4 meta states, all of which have half-lives shorter than 15 minutes. The isotopes of cobalt range in atomic weight from 50 u (Co) to 73 u (Co). The primary decay mode... | https://en.wikipedia.org/wiki?curid=24580536 |
Cobalt The first attempts to smelt those ores for copper or nickel failed, yielding simply powder (cobalt(II) oxide) instead. Because the primary ores of cobalt always contain arsenic, smelting the ore oxidized the arsenic into the highly toxic and volatile arsenic oxide, adding to the notoriety of the ore. Swedish che... | https://en.wikipedia.org/wiki?curid=24580536 |
Cobalt With the discovery of ore deposits in Ontario, Canada in 1904 and the discovery of even larger deposits in the Katanga Province in the Congo in 1914, the mining operations shifted again. When the Shaba conflict started in 1978, the copper mines of Katanga Province nearly stopped production. The impact on the wor... | https://en.wikipedia.org/wiki?curid=24580536 |
Cobalt Free cobalt (the native metal) is not found on Earth because of the oxygen in the atmosphere and the chlorine in the ocean. Both are abundant enough in the upper layers of the Earth's crust to prevent native metal cobalt from forming. Except as recently delivered in meteoric iron, pure cobalt in native metal for... | https://en.wikipedia.org/wiki?curid=24580536 |
Cobalt The tobacco plant readily absorbs and accumulates heavy metals like cobalt from the surrounding soil in its leaves. These are subsequently inhaled during tobacco smoking. The main ores of cobalt are cobaltite, erythrite, glaucodot and skutterudite (see above), but most cobalt is obtained by reducing the cobalt b... | https://en.wikipedia.org/wiki?curid=24580536 |
Cobalt The Democratic Republic of the Congo (DRC) currently produces 63% of the world's cobalt. This market share may reach 73% by 2025 if planned expansions by mining producers like Glencore Plc take place as expected. But by 2030, global demand could be 47 times more than it was in 2017, Bloomberg New Energy Finance ... | https://en.wikipedia.org/wiki?curid=24580536 |
Cobalt Artisanal mining supplied 10% to 25% of the DRC production. Some 100,000 cobalt miners in Congo DRC use hand tools to dig hundreds of feet, with little planning and fewer safety measures, say workers and government and NGO officials, as well as "Washington Post" reporters' observations on visits to isolated mine... | https://en.wikipedia.org/wiki?curid=24580536 |
Cobalt While DR Congo has in the 2010s not recently been invaded by neighboring military forces, some of the richest mineral deposits adjoin areas where Tutsis and Hutus still frequently clash, unrest continues although on a smaller scale and refugees still flee outbreaks of violence. extracted from small Congolese art... | https://en.wikipedia.org/wiki?curid=24580536 |
Cobalt In February 2018, global asset management firm AllianceBernstein defined the DRC as economically "the Saudi Arabia of the electric vehicle age," due to its cobalt resources, as essential to the lithium-ion batteries that drive electric vehicles. On March 9, 2018, President Joseph Kabila updated the 2002 mining c... | https://en.wikipedia.org/wiki?curid=24580536 |
Cobalt The temperature stability of these alloys makes them suitable for turbine blades for gas turbines and aircraft jet engines, although nickel-based single-crystal alloys surpass them in performance. Cobalt-based alloys are also corrosion- and wear-resistant, making them, like titanium, useful for making orthopedic... | https://en.wikipedia.org/wiki?curid=24580536 |
Cobalt Nickel-cadmium (NiCd) and nickel metal hydride (NiMH) batteries also include cobalt to improve the oxidation of nickel in the battery. Transparency Market Research estimated the global lithium-ion battery market at $30 billion in 2015 and predicted an increase to over US$75 billion by 2024. Although in 2018 most... | https://en.wikipedia.org/wiki?curid=24580536 |
Cobalt acetate is used to convert xylene to terephthalic acid, the precursor of the bulk polymer polyethylene terephthalate. Typical catalysts are the cobalt carboxylates (known as cobalt soaps). They are also used in paints, varnishes, and inks as "drying agents" through the oxidation of drying oils. The same carboxyl... | https://en.wikipedia.org/wiki?curid=24580536 |
Cobalt In 1780, Sven Rinman discovered cobalt green, and in 1802 Louis Jacques Thénard discovered cobalt blue. pigments such as cobalt blue (cobalt aluminate), cerulean blue (cobalt(II) stannate), various hues of cobalt green (a mixture of cobalt(II) oxide and zinc oxide), and cobalt violet (cobalt phosphate) are used ... | https://en.wikipedia.org/wiki?curid=24580536 |
Cobalt Loss of potency requires periodic replacement of the source in radiotherapy and is one reason why cobalt machines have been largely replaced by linear accelerators in modern radiation therapy. Cobalt-57 (Co-57 or Co) is a cobalt radioisotope most often used in medical tests, as a radiolabel for vitamin B uptake,... | https://en.wikipedia.org/wiki?curid=24580536 |
Cobalt The adenosyl version of B catalyzes rearrangements in which a hydrogen atom is directly transferred between two adjacent atoms with concomitant exchange of the second substituent, X, which may be a carbon atom with substituents, an oxygen atom of an alcohol, or an amine. Methylmalonyl coenzyme A mutase (MUT) con... | https://en.wikipedia.org/wiki?curid=24580536 |
Cobalt The LD value for soluble cobalt salts has been estimated to be between 150 and 500 mg/kg. In the US, the Occupational Safety and Health Administration (OSHA) has designated a permissible exposure limit (PEL) in the workplace as a time-weighted average (TWA) of 0.1 mg/m. The National Institute for Occupational Sa... | https://en.wikipedia.org/wiki?curid=24580536 |
Cerium is a chemical element with the symbol Ce and atomic number 58. is a soft, ductile and silvery-white metal that tarnishes when exposed to air, and it is soft enough to be cut with a knife. is the second element in the lanthanide series, and while it often shows the +3 oxidation state characteristic of the series,... | https://en.wikipedia.org/wiki?curid=24580596 |
Cerium Cerium-doped YAG phosphor is used in conjunction with blue light-emitting diodes to produce white light in most commercial white LED light sources. is the second element of the lanthanide series. In the periodic table, it appears between the lanthanides lanthanum to its left and praseodymium to its right, and ab... | https://en.wikipedia.org/wiki?curid=24580596 |
Cerium The energy of the 4f electron is nearly the same as that of the outer 5d and 6s electrons that are delocalized in the metallic state, and only a small amount of energy is required to change the relative occupancy of these electronic levels. This gives rise to dual valence states. For example, a volume change of ... | https://en.wikipedia.org/wiki?curid=24580596 |
Cerium All four are observationally stable, though the light isotopes Ce and Ce are theoretically expected to undergo inverse double beta decay to isotopes of barium, and the heaviest isotope Ce is expected to undergo double beta decay to Nd or alpha decay to Ba. Additionally, Ce would release energy upon spontaneous f... | https://en.wikipedia.org/wiki?curid=24580596 |
Cerium This is so because they are bypassed by the reaction flow of the s-process, and the r-process nuclides are blocked from decaying to them by more neutron-rich stable nuclides. Such nuclei are called p-nuclei, and their origin is not yet well understood: some speculated mechanisms for their formation include proto... | https://en.wikipedia.org/wiki?curid=24580596 |
Cerium This reactivity conforms to periodic trends, since cerium is one of the first and hence one of the largest lanthanides. Cerium(IV) oxide has the fluorite structure, similarly to the dioxides of praseodymium and terbium. Many nonstoichiometric chalcogenides are also known, along with the trivalent CeZ (Z = S, Se,... | https://en.wikipedia.org/wiki?curid=24580596 |
Cerium Cerium(III) and terbium(III) have ultraviolet absorption bands of relatively high intensity compared with the other lanthanides, as their configurations (one electron more than an empty or half-filled f-subshell respectively) make it easier for the extra f electron to undergo f→d transitions instead of the forbi... | https://en.wikipedia.org/wiki?curid=24580596 |
Cerium The nitrate complex [Ce(NO)] is the most common cerium complex encountered when using cerium(IV) is an oxidising agent: it and its cerium(III) analogue [Ce(NO)] have 12-coordinate icosahedral molecular geometry, while [Ce(NO)] has 10-coordinate bicapped dodecadeltahedral molecular geometry. nitrates also form 4:... | https://en.wikipedia.org/wiki?curid=24580596 |
Cerium The 4f electron in cerocene, Ce(CH), is poised ambiguously between being localized and delocalized and this compound is also considered intermediate-valent. was discovered in Bastnäs in Sweden by Jöns Jakob Berzelius and Wilhelm Hisinger, and independently in Germany by Martin Heinrich Klaproth, both in 1803. wa... | https://en.wikipedia.org/wiki?curid=24580596 |
Cerium He owned and controlled the mine at Bastnäs, and had been trying for years to find out the composition of the abundant heavy gangue rock (the "Tungsten of Bastnäs", which despite its name contained no tungsten), now known as cerite, that he had in his mine. Mosander and his family lived for many years in the sam... | https://en.wikipedia.org/wiki?curid=24580596 |
Cerium Because of the decreased solubility of cerium in the +4 oxidation state, cerium is sometimes depleted from rocks relative to the other rare-earth elements and is incorporated into zircon, since Ce and Zr have the same charge and similar ionic radii. In extreme cases, cerium(IV) can form its own minerals separate... | https://en.wikipedia.org/wiki?curid=24580596 |
Cerium After that, the solution is treated with ammonium oxalate to convert rare earths to their insoluble oxalates. The oxalates are converted to oxides by annealing. The oxides are dissolved in nitric acid, but cerium oxide is insoluble in HNO and hence precipitates out. Care must be taken when handling some of the r... | https://en.wikipedia.org/wiki?curid=24580596 |
Cerium Due to the chemical similarities of the lanthanides, chemical separation is not usually required for their applications, such as the mixing of mischmetal into steel to improve its strength and workability, or as catalysts for the cracking of petroleum. This property of cerium saved the life of writer Primo Levi ... | https://en.wikipedia.org/wiki?curid=24580596 |
Cerium The photostability of pigments can be enhanced by the addition of cerium. It provides pigments with light fastness and prevents clear polymers from darkening in sunlight. Television glass plates are subject to electron bombardment, which tends to darken them by creation of F-center color centers. This effect is ... | https://en.wikipedia.org/wiki?curid=24580596 |
Cerium The early lanthanides act as essential cofactors for the methanol dehydrogenase of the methanotrophic bacterium "Methylacidiphilum fumariolicum" SolV, for which lanthanum, cerium, praseodymium, and neodymium alone are about equally effective. Like all rare-earth metals, cerium is of low to moderate toxicity. A s... | https://en.wikipedia.org/wiki?curid=24580596 |
Conductive atomic force microscopy (C-AFM) or current sensing atomic force microscopy (CS-AFM) is a mode in atomic force microscopy (AFM) that simultaneously measures the topography of a material and the electric current flow at the contact point of the tip with the surface of the sample. The topography is measured by ... | https://en.wikipedia.org/wiki?curid=24580913 |
Conductive atomic force microscopy The CAFM was first developed by John O'Shea and co-workers at the University of Cambridge in 1993, and it is referred to in the literature by several names, including C-AFM, local-conductivity AFM (LC-AFM), conductive probe AFM (CP-AFM), conductive scanning probe microscopy (C-SPM) or... | https://en.wikipedia.org/wiki?curid=24580913 |
Conductive atomic force microscopy The most common mistake in CAFM research is to assume that the effective emission area ("A") equals the physical contact area ("A"). Strictly, this assumption is erroneous because in many different tip/sample systems the electrical field applied may propagate laterally. For example, w... | https://en.wikipedia.org/wiki?curid=24580913 |
Conductive atomic force microscopy The value of "A" can fluctuate depending on the environmental conditions, and it can range from 1 nm in ultra high vacuum (UHV) to 300 nm in very humid environments. On well-defined single crystal surfaces under UHV conditions it has even been demonstrated that measurements of the loc... | https://en.wikipedia.org/wiki?curid=24580913 |
Conductive atomic force microscopy The capability of the CAFM for determining the thickness of thin oxides was further demonstrated by Frammelsberger and co-workers who statistically analyzed more than 7200 "I-V" curves, and reported SiO thicknesses with a sensitivity of ±0.3 nm. Other local phenomena like charge trapp... | https://en.wikipedia.org/wiki?curid=24580913 |
Conductive atomic force microscopy All the capabilities of the CAFM for studying resistive switching in dielectrics have been summarized in the review article of reference. Unlike a normal AFM, the CAFM can be also used to perform local photolithography via bias-assisted local anodic oxidation (LAO). Nowadays the CAFM ... | https://en.wikipedia.org/wiki?curid=24580913 |
Conductive atomic force microscopy The first types of conductive nanoprobes used in CAFM experiments, which are still widely used nowadays, consist on standard silicon nanoprobes (as those used in topographic AFM measurements) varnished with thin metallic films, including Pt, Au, Ru, Ti and Cr, among others. The varnis... | https://en.wikipedia.org/wiki?curid=24580913 |
Conductive atomic force microscopy Moreover, graphene is inert and slows down particle adhesion to the tip apex. The analogical current signals flowing through the tip/sample nanojunction are sent to the preamplifier, which transforms them into digital voltages that can be read by the data acquisition (DAQ) card of the... | https://en.wikipedia.org/wiki?curid=24580913 |
Conductive atomic force microscopy A correct selection of the electrical components is essential to achieve good and reliable CAFM data acquisition. For example, the value of "R" is not trivial: a very high value of "R" improves the noise-signal ratio, while reduces the bandwidth of the preamplifier. Therefore, the val... | https://en.wikipedia.org/wiki?curid=24580913 |
C17H24O The molecular formula CHO may refer to: | https://en.wikipedia.org/wiki?curid=24581911 |
Council for Chemical Research is an organization based in Washington, DC, whose membership represents the U.S. chemical research enterprise. CCR was formed in 1979 to promote cooperation in basic research and encourage high-quality education in the chemical sciences and chemical engineering. CCR's membership currently ... | https://en.wikipedia.org/wiki?curid=24583613 |
Council for Chemical Research " CCR serves as a catalyst and partner for initiatives in the field of chemical research, such as the Center for Process Analytical Chemistry and Chemical Industry Vision 2020. CCR produces and sponsors studies such as "Measuring Up: Research and Development Counts for the Chemical Industr... | https://en.wikipedia.org/wiki?curid=24583613 |
Council for Chemical Research Action Networks are knowledge-action communities of CCR members and colleagues, led by a three-person team of government, industry, and university volunteer leaders. Each Action Network develops and executes the activities which advance their goal. There are 3 Action Networks: | https://en.wikipedia.org/wiki?curid=24583613 |
C15H14O4 The molecular formula CHO may refer to: | https://en.wikipedia.org/wiki?curid=24586912 |
Oxidative-induction time Oxidation induction time or OIT is a standardized test performed in a DSC which measures the level of thermal stabilization of the material tested. The time between melting and the onset of decomposition in isothermal conditions is measured. The atmosphere is nitrogen up to melting and then oxy... | https://en.wikipedia.org/wiki?curid=24589357 |
Extended aeration is a method of sewage treatment using modified activated sludge procedures. It is preferred for relatively small waste loads, where lower operating efficiency is offset by mechanical simplicity. Mechanized sewage treatment typically includes settling in a primary clarifier, followed by biological trea... | https://en.wikipedia.org/wiki?curid=24590863 |
Extended aeration Supplemental feeding with something like sugar is sometimes used to sustain sludge microbial populations during periods of low occupancy; but population response to variable food characteristics is unpredictable, and supplemental feeding increases waste sludge volumes. Sludge may be periodically remov... | https://en.wikipedia.org/wiki?curid=24590863 |
Hisashi Yamamoto Born in Kobe, Japan, Yamamoto earned a B.S. at Kyoto University in 1967 and a Ph.D. at Harvard University in 1971. He was a professor at Nagoya University from 1983 until 2002 and has since been a professor within the Department of Chemistry at the University of Chicago. His research work is largely in... | https://en.wikipedia.org/wiki?curid=24591291 |
C4H9Br The molecular formula CHBr, molar mass : 137.02 g/mol, may refer to: | https://en.wikipedia.org/wiki?curid=24592849 |
American Potash and Chemical Company (sometimes abbreviated as AMPOT) was a large chemical manufacturer in the United States from the 1920s through the 1960s. It produced various chemicals for US industry and the US military. It was bought by Kerr-McGee in 1967, which reformed it into the Kerr-McGee Chemical Corporatio... | https://en.wikipedia.org/wiki?curid=24593186 |
Thermomechanical processing Thermomechanical processing, is a metallurgical process that combines mechanical or plastic deformation process like compression or forging, rolling etc. with thermal processes like heat-treatment, water quenching, heating and cooling at various rates into a single process. The quenching pro... | https://en.wikipedia.org/wiki?curid=24597364 |
Thermomechanical processing As the bar cools, heat flows from the bar's centre to its surface so that the bar's heat and pressure correctly tempers an intermediate ring of martensite and bainite. Finally, the slow cooling after quenching automatically tempers the austenitic core to ferrite and pearlite on the cooling b... | https://en.wikipedia.org/wiki?curid=24597364 |
Thermomechanical processing These are much stronger compared with conventional CTD Bars and give up to 20% more strength to concrete structure with same quantity of steel. | https://en.wikipedia.org/wiki?curid=24597364 |
C10H8O3 The molecular formula CHO (molar mass : 176.16 g/mol, exact mass : 176.047344) may refer to : | https://en.wikipedia.org/wiki?curid=24603274 |
Molten salt oxidation is a non-flame, thermal process that destroys all organic materials while simultaneously retaining inorganic and hazardous components in the melt. It is used as either hazardous waste treatment(with air) or energy harvesting similar to coal and wood gasification(with steam). The molten salt of cho... | https://en.wikipedia.org/wiki?curid=24603285 |
Biosequestration is the capture and storage of the atmospheric greenhouse gas carbon dioxide by continual or enhanced biological processes. This form of carbon sequestration occurs through increased rates of photosynthesis via land-use practices such as reforestation, sustainable forest management, and genetic engineer... | https://en.wikipedia.org/wiki?curid=24603722 |
Biosequestration After water vapour (concentrations of which have limited influence by humans) carbon dioxide is the most abundant and stable greenhouse gas in the atmosphere (methane rapidly reacts to form water vapour and carbon dioxide). Atmospheric carbon dioxide has increased from about 280 ppm in 1750 to 383 ppm ... | https://en.wikipedia.org/wiki?curid=24603722 |
Biosequestration Concerns, however, arise when the density and area of vegetation increases the grazing pressure could also increase in other areas, causing land degradation. A recent report by the Australian CSIRO found that forestry and forest-related options are the most significant and most easily achieved carbon s... | https://en.wikipedia.org/wiki?curid=24603722 |
Biosequestration These linked the problem of deforestation to third world debt and inadequate technology transfer and stated that the "agreed full incremental cost of achieving benefits associated with forest conservation...should be equitably shared by the international community" (para1(b)). Subsequently, the Group o... | https://en.wikipedia.org/wiki?curid=24603722 |
Biosequestration The underlying idea is that developing nations should be financially compensated if they succeed in reducing their levels of deforestation (through valuing the carbon that is stored in forests); a concept termed 'avoided deforestation (AD) or, REDD if broadened to include reducing forest degradation (s... | https://en.wikipedia.org/wiki?curid=24603722 |
Biosequestration The United Nations Framework Convention on Climate Change (UNFCCC) Article 4(1)(a) requires all Parties to "develop, periodically update, publish and make available to the Conference of the Parties" as well as "national inventories of anthropogenic emissions by sources" "removals by sinks of all greenh... | https://en.wikipedia.org/wiki?curid=24603722 |
Biosequestration As an example, the "Australian National Greenhouse Gas Inventory" (NGGI) prepared in compliance with these requirements indicates that the energy sector accounts for 69 per cent of Australia’s emissions, agriculture 16 per cent and LULUCF six per cent. Since 1990, however, emissions from the energy sec... | https://en.wikipedia.org/wiki?curid=24603722 |
Biosequestration The project yielded deforestation maps for the Amazon Basin, Central Africa, and Southeast Asia for three periods in the 1970s, 1980s, and 1990s. may be enhanced by improving photosynthetic efficiency by modifying RuBisCO genes in plants to increase the catalytic and/or oxygenation activity of that enz... | https://en.wikipedia.org/wiki?curid=24603722 |
Biosequestration Biochar (charcoal created through the pyrolysis of biomass) is a potent and stable form of biosequestration derived from investigation of the highly fertile Terra preta soils of the Amazon Basin. Placing biochar in soils also improves water quality, increases soil fertility, raises agricultural product... | https://en.wikipedia.org/wiki?curid=24603722 |
Biosequestration Ceasing practice of ploughing has been alleged to encourage ant predation on wood-eating termites, allow weeds to regenerate soil, and help slow water flows over land. The soil stores more terrestrial carbon than the summation of both the atmospheric and vegetative carbon sinks. The greatest density of... | https://en.wikipedia.org/wiki?curid=24603722 |
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