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SH2 domain Research has shown that it has a high affinity to phosphorylated tyrosine residues and it is known to identify a sequence of 3-6 amino acids within a peptide motif. SH2 domains typically bind a phosphorylated tyrosine residue in the context of a longer peptide motif within a target protein, and SH2 domains r... | https://en.wikipedia.org/wiki?curid=2544024 |
SH2 domain The function of SH2 domains is to specifically recognize the phosphorylated state of tyrosine residues, thereby allowing SH2 domain-containing proteins to localize to tyrosine-phosphorylated sites. This process constitutes the fundamental event of signal transduction through a membrane, in which a signal in ... | https://en.wikipedia.org/wiki?curid=2544024 |
SH2 domain Using molecular biology techniques, fusion proteins of specific enzymes and SH2 domains have been created, which can bind to each other to form protein assemblies. Since SH2 domains require phosphorylation in order for binding to occur, the use of kinase and phosphatase enzymes gives researchers control over... | https://en.wikipedia.org/wiki?curid=2544024 |
Coherent control is a quantum mechanics-based method for controlling dynamical processes by light. The basic principle is to control quantum interference phenomena, typically by shaping the phase of laser pulses. The basic ideas have proliferated, finding vast application in spectroscopy mass spectra, quantum informati... | https://en.wikipedia.org/wiki?curid=2544439 |
Coherent control Their theorem based in control theory states that for a finite-dimensional, closed-quantum system, the system is completely controllable, i.e. an arbitrary unitary transformation of the system can be realized by an appropriate application of the controls if the control operators and the unperturbed Ham... | https://en.wikipedia.org/wiki?curid=2544439 |
Coherent control The most well studied method is Stimulated raman adiabatic passage STIRAP which employs an auxiliary state to achieve complete state-to-state population transfer. One of the most prolific generic pulse shapes is a chirped pulse a pulse with a varying frequency in time. Optimal control as applied in coh... | https://en.wikipedia.org/wiki?curid=2544439 |
Coherent control A related method has been called tracking Some applications of coherent control are Another important issue is the spectral selectivity of two photon coherent control. These concepts can be applied to single pulse Raman spectroscopy and microscopy. As one of the cornerstones for enabling quantum techno... | https://en.wikipedia.org/wiki?curid=2544439 |
Enstrophy In fluid dynamics, the enstrophy can be interpreted as another type of potential density; or, more concretely, the quantity directly related to the kinetic energy in the flow model that corresponds to dissipation effects in the fluid. It is particularly useful in the study of turbulent flows, and is often ide... | https://en.wikipedia.org/wiki?curid=2545846 |
Stress intensity factor The stress intensity factor, formula_1, is used in fracture mechanics to predict the stress state ("stress intensity") near the tip of a crack or notch caused by a remote load or residual stresses. It is a theoretical construct usually applied to a homogeneous, linear elastic material and is use... | https://en.wikipedia.org/wiki?curid=2547532 |
Stress intensity factor In 1957, G. Irwin found that the stresses around a crack could be expressed in terms of a scaling factor called the "stress intensity factor". He found that a crack subjected to any arbitrary loading could be resolved into three types of linearly independent cracking modes. These load types are ... | https://en.wikipedia.org/wiki?curid=2547532 |
Stress intensity factor The material is assumed to be an isotropic, homogeneous, and linear elastic. The crack has been assumed to extend along the direction of the initial crack For plane strain conditions, the equivalent relation is a little more complicated: For pure mode III loading, where formula_25 is the shear m... | https://en.wikipedia.org/wiki?curid=2547532 |
Stress intensity factor The Mode I critical stress intensity factor, formula_31, is the most often used engineering design parameter in fracture mechanics and hence must be understood if we are to design fracture tolerant materials used in bridges, buildings, aircraft, or even bells. Polishing cannot detect a crack. Ty... | https://en.wikipedia.org/wiki?curid=2547532 |
DNA bank DNA banking is the secure, long term storage of an individual’s genetic material. DNA is most commonly extracted from blood, but can also be obtained from saliva and other tissues. DNA banks allow for conservation of genetic material and comparative analysis of an individual's genetic information. Analyzing an... | https://en.wikipedia.org/wiki?curid=2547545 |
DNA bank Comparison of DNA samples allowed scientists to work on the Human Genome Project, which maps out many of the genes on human DNA. It has also led to the development of preventive genetics. Samples from the have been used to identify patterns and determine which genes lead to specific disorders. Once people know... | https://en.wikipedia.org/wiki?curid=2547545 |
DNA bank DNA can be analyzed through restriction fragment length polymorphism (RFLP) and Polymerase chain reactions (PCR). The RFLP process was introduced in 1988. Restriction enzymes digest portions of the DNA, leaving short fragments. These fragments are sorted through gel electrophoresis. The gel demonstrates the le... | https://en.wikipedia.org/wiki?curid=2547545 |
DNA bank Under IQRA BIOTECH SERVICES this HUMAN DNA BANK which is in public-privet-partnership with BIOTECH PARK,Lucknow under DEPARTMENT OF BIOTECHNOLOGY,INDIA and MINISTRY OF SCIENCE AND TECHNOLOGY,INDIA. IQRA BIOTECH SERVICES has also established a CORD BLOOD AND STEM CELL BANK which stores the stem cells of their c... | https://en.wikipedia.org/wiki?curid=2547545 |
Synthetic setae emulate the setae found on the toes of a gecko and scientific research in this area is driven towards the development of dry adhesives. Geckos have no difficulty mastering vertical walls and are apparently capable of adhering themselves to just about any surface. The five-toed feet of a gecko are covere... | https://en.wikipedia.org/wiki?curid=2547900 |
Synthetic setae Scientists have been investigating the secret of this extraordinary adhesion ever since the 19th century, and at least seven possible mechanisms for gecko adhesion have been discussed over the past 175 years. There have been hypotheses of glue, friction, suction, electrostatics, micro-interlocking and i... | https://en.wikipedia.org/wiki?curid=2547900 |
Synthetic setae The problem was finally solved in 2000 by a research team led by biologists Kellar Autumn of Lewis & Clark College in Portland, Oregon, and Robert Full at the University of California at Berkeley. They showed that the underside of a gecko toe typically bears a series of ridges, which are covered with un... | https://en.wikipedia.org/wiki?curid=2547900 |
Synthetic setae The combined effect of millions of spatulae provides an adhesive force many times greater than the gecko needs to hang from a ceiling by one foot. The surprisingly large forces generated by the gecko's toes raised the question of how geckos manage to lift their feet so quickly – in just 15 milliseconds ... | https://en.wikipedia.org/wiki?curid=2547900 |
Synthetic setae Kellar Autumn and his research group have conducted experiments to test and demonstrate this ability of the gecko. They also use the contact mechanical model to suggest that self-cleaning occurs by an energetic disequilibrium between the adhesive forces attracting a dirt particle to the substrate and th... | https://en.wikipedia.org/wiki?curid=2547900 |
Synthetic setae Indeed, interest and new discoveries in gecko-type adhesives are booming, as illustrated by the growing number of papers published on this topic. however, synthetic setae are still at a very early stage. Effective design of geckolike adhesives will require deep understanding of the principles underlying... | https://en.wikipedia.org/wiki?curid=2547900 |
Synthetic setae CNTs have much larger possible length-to-diameter ratio than polymers, and they exhibit both extraordinary strength and flexibility, as well as good electrical properties. It is these novel properties that make synthetic setae more effective. A number of MEMS/NEMS fabrication techniques are applied to t... | https://en.wikipedia.org/wiki?curid=2547900 |
Synthetic setae Initially, the team used a silicon wafer as a substrate but found that the tape's adhesive power increased by almost 1,000 times if they used a soft bonding substrate such as Scotch tape – This is because the flexible substrate yields a much higher ratio of the number of setae in contact with the surfac... | https://en.wikipedia.org/wiki?curid=2547900 |
Synthetic setae (As is shown in the figure on the right). The results were tested with a scanning probe microscope, and it showed that the minimum force per unit area as 1.6±0.5×10nN/nm, which is far larger than the figure the team estimated for the typical adhesive force of a gecko's setae, which was 10nN/nm. Later ex... | https://en.wikipedia.org/wiki?curid=2547900 |
Synthetic setae " The resulting adhesive, named 'geckel', was described to be an array of gecko-mimetic, 400 nm wide silicone pillars, fabricated by electron-beam lithography and coated with a mussel-mimetic polymer, a synthetic form of the amino acid that occurs naturally in mussels (left). . Unlike true gecko glue, t... | https://en.wikipedia.org/wiki?curid=2547900 |
Synthetic setae Tests showed that "the material could be stuck and unstuck more than 1,000 times, even when used under water", retaining 85 percent of their adhesive strength. Phillip Messersmith, lead researcher on the team that developed the product, believes that the adhesive could have many medical applications, fo... | https://en.wikipedia.org/wiki?curid=2547900 |
Synthetic setae Photo-lithography has the benefit of being widely used, well understood and scalable up to very large areas cheaply and easily, which is not the case with some of the other methods used to fabricate prototype materials. In 2019, researchers from Akron Ascent Innovations, LLC, a company spun-out from Uni... | https://en.wikipedia.org/wiki?curid=2547900 |
Synthetic setae Two major research challenges face the development scansorial robotics: First, we seek to understand, characterize and implement the dynamics of climbing (wall reaction forces, limb trajectories, surface interactions, etc.); and second, we must design, fabricate and deploy adhesive patch technologies th... | https://en.wikipedia.org/wiki?curid=2547900 |
Synthetic setae These crawler and climbing robots can be used in the military context to examine the surfaces of aircraft for defects and are starting to replace manual inspection methods. Today's crawlers use vacuum pumps and heavy-duty suction pads which could be replaced by this material. Researchers at Stanford Uni... | https://en.wikipedia.org/wiki?curid=2547900 |
Thermal power station A thermal power station is a power station in which heat energy is converted to electric power. In most places the turbine is steam-driven. Water is heated, turns into steam and spins a steam turbine which drives an electrical generator. After it passes through the turbine the steam is condensed i... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station Some biomass-fueled thermal power stations have appeared also. Non-nuclear thermal power stations, particularly fossil-fueled plants, which do not use cogeneration are sometimes referred to as "conventional power stations". Commercial electric utility power stations are usually constructed on a la... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station The reciprocating steam engine has been used to produce mechanical power since the 18th Century, with notable improvements being made by James Watt. When the first commercially developed central electrical power stations were established in 1882 at Pearl Street Station in New York and Holborn Viad... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station Combined-cycle systems can reach higher values. As with all heat engines, their efficiency is limited, and governed by the laws of thermodynamics. The Carnot efficiency dictates that higher efficiencies can be attained by increasing the temperature of the steam. Sub-critical fossil fuel power stat... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station If the waste heat is instead used for district heating, it is called cogeneration. An important class of thermal power station is that associated with desalination facilities; these are typically found in desert countries with large supplies of natural gas, and in these plants freshwater productio... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station The list of coal power stations has the 200 largest power stations ranging in size from 2,000MW to 5,500MW. In the nuclear plant field, "steam generator" refers to a specific type of large heat exchanger used in a pressurized water reactor (PWR) to thermally connect the primary (reactor plant) and... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station The air and flue gas path equipment include: forced draft (FD) fan, air preheater (AP), boiler furnace, induced draft (ID) fan, fly ash collectors (electrostatic precipitator or baghouse), and the flue-gas stack. The boiler feedwater used in the steam boiler is a means of transferring heat energy ... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station The water is pressurized in two stages, and flows through a series of six or seven intermediate feed water heaters, heated up at each point with steam extracted from an appropriate duct on the turbines and gaining temperature at each stage. Typically, in the middle of this series of feedwater heat... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station The saturated steam is introduced into superheat pendant tubes that hang in the hottest part of the combustion gases as they exit the furnace. Here the steam is superheated to to prepare it for the turbine. Plants designed for lignite (brown coal) are used in locations as varied as Germany, Victor... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station From these headers the water rises through the water walls of the furnace where some of it is turned into steam and the mixture of water and steam then re-enters the steam drum. This process may be driven purely by natural circulation (because the water is the downcomers is denser than the water/s... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station The superheated steam is then piped through the main steam lines to the valves before the high-pressure turbine. Nuclear-powered steam plants do not have such sections but produce steam at essentially saturated conditions. Experimental nuclear plants were equipped with fossil-fired superheaters in... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station Typically the cooling water causes the steam to condense at a temperature of about and that creates an absolute pressure in the condenser of about , i.e. a vacuum of about relative to atmospheric pressure. The large decrease in volume that occurs when water vapor condenses to liquid creates the lo... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station This is done by pumping the warm water from the condenser through either natural draft, forced draft or induced draft cooling towers (as seen in the adjacent image) that reduce the temperature of the water by evaporation, by about 11 to 17 °C (20 to 30 °F)—expelling waste heat to the atmosphere. T... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station Exhaust heat from the low-pressure section of a steam turbine runs through the condensing tubes, the tubes are usually finned and ambient air is pushed through the fins with the help of a large fan. The steam condenses to water to be reused in the water-steam cycle. Air-cooled condensers typically... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station The induced draft fan assists the FD fan by drawing out combustible gases from the furnace, maintaining slightly below atmospheric pressure in the furnace to avoid leakage of combustion products from the boiler casing. The turbine generator consists of a series of steam turbines interconnected to ... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station It exits via diameter cold reheat lines and passes back into the boiler, where the steam is reheated in special reheat pendant tubes back to . The hot reheat steam is conducted to the intermediate pressure turbine, where it falls in both temperature and pressure and exits directly to the long-blad... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station The electricity flows to a distribution yard where transformers increase the voltage for transmission to its destination. The steam turbine-driven generators have auxiliary systems enabling them to work satisfactorily and safely. The steam turbine generator, being rotating equipment, generally has... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station Still, the majority of coal-fired power stations in the world do not have these facilities. Legislation in Europe has been efficient to reduce flue gas pollution. Japan has been using flue gas cleaning technology for over 30 years and the US has been doing the same for over 25 years. China is now ... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station Fly ash is captured and removed from the flue gas by electrostatic precipitators or fabric bag filters (or sometimes both) located at the outlet of the furnace and before the induced draft fan. The fly ash is periodically removed from the collection hoppers below the precipitators or bag filters. ... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station A DM plant generally consists of cation, anion, and mixed bed exchangers. Any ions in the final water from this process consist essentially of hydrogen ions and hydroxide ions, which recombine to form pure water. Very pure DM water becomes highly corrosive once it absorbs oxygen from the atmospher... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station Some power stations burn fuel oil rather than coal. The oil must kept warm (above its pour point) in the fuel oil storage tanks to prevent the oil from congealing and becoming unpumpable. The oil is usually heated to about 100 °C before being pumped through the furnace fuel oil spray nozzles. Boil... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station The shaft is therefore automatically turned at low speed (about one percent rated speed) by the barring gear until it has cooled sufficiently to permit a complete stop. An auxiliary oil system pump is used to supply oil at the start-up of the steam turbine generator. It supplies the hydraulic oil ... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station Seal oil is used to prevent the hydrogen gas leakage to atmosphere. The generator also uses water cooling. Since the generator coils are at a potential of about 22 kV, an insulating barrier such as Teflon is used to interconnect the water line and the generator high-voltage windings. Demineralized... | https://en.wikipedia.org/wiki?curid=2549543 |
Thermal power station A central battery system consisting of lead–acid cell units is provided to supply emergency electric power, when needed, to essential items such as the power station's control systems, communication systems, generator hydrogen seal system, turbine lube oil pumps, and emergency lighting. This is es... | https://en.wikipedia.org/wiki?curid=2549543 |
Tin(II) hydroxide Tin(II) hydroxide, Sn(OH), also known as "stannous hydroxide", is an inorganic compound tin(II). The only related material for which definitive information is available is the oxy hydroxide SnO(OH), but other related materials are claimed. They are all white solids that are insoluble in water. Crystal... | https://en.wikipedia.org/wiki?curid=2549701 |
Bioswale Bioswales are channels designed to concentrate and convey stormwater runoff while removing debris and pollution. Bioswales can also be beneficial in recharging groundwater. Bioswales are typically vegetated, mulched, or xeriscaped. They consist of a swaled drainage course with gently sloped sides (less than 6%... | https://en.wikipedia.org/wiki?curid=2549795 |
Bioswale Bioswales, or other types of biofilters, can be created around the edges of parking lots to capture and treat stormwater runoff before releasing it to the watershed or storm sewer. Bioswales work to remove pollutants through vegetation and the soil. As the storm water runoff flows through the bioswale, the pol... | https://en.wikipedia.org/wiki?curid=2549795 |
Bioswale It is also beneficial in removing standing ponds that could potentially attract mosquitos. Bioswales can also be designed to be aesthetically pleasing and attract animals and create habitats. Bioswales can also be beneficial for groundwater recharge. Improper maintenance can lead to high restoration costs to a... | https://en.wikipedia.org/wiki?curid=2549795 |
Bioswale Time and frequency of inspections vary based on different local governments, but should occur at least once a year. Various aspects of inspection can take place, either visually or mechanically. Visual observation of the vegetation, water, and inlets are all crucial to ensure performance. Some organizations ut... | https://en.wikipedia.org/wiki?curid=2549795 |
Bioswale Bioswales experience short, potentially intense, periods of rain, flooding and pollutant loading followed by dry seasons. It is important to take into account how the vegetation selected for the bioswales will grow and understanding what types of plants are considered the best fit. There are four types of bios... | https://en.wikipedia.org/wiki?curid=2549795 |
Bioswale A second example of a large scale designed bioswale is at the Carneros Business Park, Sonoma County, California. Starting in 1997 the project design team worked with the California Department of Fish and Game and County of Sonoma to produce a detailed design to channel surface runoff at the perimeter of a larg... | https://en.wikipedia.org/wiki?curid=2549795 |
Thallium(I) hydroxide Thallium(I) hydroxide, also called thallous hydroxide, TlOH, is a hydroxide of thallium, with thallium in oxidation state +1. Thallous hydroxide is a strong base; it is changed to thallous ion, Tl, except in strongly basic conditions. Tl resembles an alkali metal ion, A, such as Li or K. | https://en.wikipedia.org/wiki?curid=2549825 |
Thallium(III) hydroxide Thallium(III) hydroxide, Tl(OH), also known as thallic hydroxide, is a hydroxide of thallium. It is a white solid. is a very weak base; it is changed to thallium(III) ion, Tl, only in strongly acid conditions. | https://en.wikipedia.org/wiki?curid=2549843 |
Gray iron Gray iron, or grey cast iron, is a type of cast iron that has a graphitic microstructure. It is named after the gray color of the fracture it forms, which is due to the presence of graphite. It is the most common cast iron and the most widely used cast material based on weight. It is used for housings where t... | https://en.wikipedia.org/wiki?curid=2550321 |
Gray iron Rapid cooling partly or completely suppresses graphitization and leads to the formation of cementite, which is called white iron. The graphite takes on the shape of a three-dimensional flake. In two dimensions, as a polished surface, the graphite flakes appear as fine lines. The graphite has no appreciable st... | https://en.wikipedia.org/wiki?curid=2550321 |
Gray iron In the automotive industry, the SAE International (SAE) standard SAE J431 is used to designate "grades" instead of classes. These grades are a measure of the tensile strength-to-Brinell hardness ratio. The variation of the tensile modulus of elasticity of the various grades is a reflection of the percentage o... | https://en.wikipedia.org/wiki?curid=2550321 |
Artificial gills (human) Artificial gills are unproven conceptualised devices to allow a human to be able to take in oxygen from surrounding water. This is speculative technology that has not been demonstrated in a documented fashion. Natural gills work because nearly all animals with gills are thermoconformers (cold-b... | https://en.wikipedia.org/wiki?curid=2551796 |
Artificial gills (human) These calculations are based on the dissolved oxygen content of water. | https://en.wikipedia.org/wiki?curid=2551796 |
Hemofiltration Hemofiltration, also haemofiltration, is a renal replacement therapy which is used in the intensive care setting. It is usually used to treat acute kidney injury (AKI), but may be of benefit in multiple organ dysfunction syndrome or sepsis. During hemofiltration, a patient's blood is passed through a set... | https://en.wikipedia.org/wiki?curid=2554138 |
Hemofiltration Blood is pumped through the blood compartment of a high flux dialyzer, and a high rate of ultrafiltration is used, so there is a high rate of movement of water and solutes from blood to dialysate that must be replaced by substitution fluid that is infused directly into the blood line. However, dialysis s... | https://en.wikipedia.org/wiki?curid=2554138 |
Hemofiltration is most commonly used in an intensive care unit setting, where it is either given as 8- to 12-hour treatments, so called SLEF (slow extended hemofiltration), or as CHF (continuous hemofiltration), also sometimes called continuous veno-venous hemofiltration (CVVH) or continuous renal replacement therapy (... | https://en.wikipedia.org/wiki?curid=2554138 |
Tinplate consists of sheets of steel, coated with a thin layer of tin. Before the advent of cheap milled steel the backing metal was iron. While once more widely used, the primary use of tinplate now is the manufacture of tin cans. is made by rolling the steel (or formerly iron) in a rolling mill, removing any mill sca... | https://en.wikipedia.org/wiki?curid=2554508 |
Tinplate was apparently produced in the 1620s at a mill of (or under the patronage of) the Earl of Southampton, but it is not clear how long this continued. The first production of tinplate was probably in Bohemia, from where the trade spread to Saxony, and was well-established there by the 1660s. Andrew Yarranton and ... | https://en.wikipedia.org/wiki?curid=2554508 |
Tinplate Edward Lhuyd reported the existence of this mill in 1697. This has been claimed as a tinplate works, but it was almost certainly only producing (untinned) blackplate. first begins to appear in the Gloucester Port Books (which record trade passing through Gloucester), mostly from ports in the Bristol Channel in... | https://en.wikipedia.org/wiki?curid=2554508 |
Tinplate The raw material was bar iron, or (from the introduction of mild steel in the late 19th century), a bar of steel. This was drawn into a flat bar (known as a tin bar) at the ironworks or steel works where it was made. The cross-section of the bar needed to be accurate in size as this would be the cross-section ... | https://en.wikipedia.org/wiki?curid=2554508 |
Tinplate After being removed they were allowed to cool for up to 48 hours. The plates were then rolled cold through highly polished rolls to remove any unevenness and give them a polished surface. They were then annealed again (but at a lower temperature) and pickled again, this being known as 'white annealing' and 'wh... | https://en.wikipedia.org/wiki?curid=2554508 |
Tinplate However the practice of hot rolling and then cold rolling evidently goes back to the early days, as the Knight family's tinplate works had (from its foundation in about 1740) two rolling mills, one at Bringewood (west of Ludlow) which made blackplate, and the other the tin mill at Mitton (now part of Stourport... | https://en.wikipedia.org/wiki?curid=2554508 |
Biomass to liquid (BtL or BMtL) is a multi-step process of producing synthetic hydrocarbon fuels made from biomass via a thermochemical route. Such a fuel has been called grassoline. According to a study done by the U.S. Department of Agriculture and the Department of Energy, the United States can produce at least 1.3 ... | https://en.wikipedia.org/wiki?curid=2555520 |
Biomass to liquid The Ammonia Fiber Expansion (AFEX) pre-treat process, hot concentrated 15 M ammonia is used to break down sugar molecules, cellulose and hemicellulose significantly more efficiently than enzymes. After, the rapid pressure release cools and ends the treatment. The result is minor biomass degradation wi... | https://en.wikipedia.org/wiki?curid=2555520 |
Biomass to liquid "Sorghum" has the potential to be an energy grass because it requires low water usage and can make a large yield. "Sorghum", however, has an annual cultivation and is difficult to establish to an area and requires a lot of input from fertilizers and pesticides. "Miscanthus" are native to the tropical ... | https://en.wikipedia.org/wiki?curid=2555520 |
Gas to liquids (GTL) is a refinery process to convert natural gas or other gaseous hydrocarbons into longer-chain hydrocarbons, such as gasoline or diesel fuel. Methane-rich gases are converted into liquid synthetic fuels. Two general strategies exist: (i) direct partial combustion of methane to methanol and (ii) Fisch... | https://en.wikipedia.org/wiki?curid=2555528 |
Gas to liquids Syngas is allowed to react over an iron or cobalt catalyst to produce liquid hydrocarbons, including alcohols. Methanol is made from methane (natural gas) in a series of three reactions: The methanol thus formed may be converted to gasoline by the Mobil process and methanol-to-olefins. In the early 1970s... | https://en.wikipedia.org/wiki?curid=2555528 |
Gas to liquids This process consists of four fixed bed reactors in series in which a syngas is converted to synthetic fuels. The steps for producing high-octane synthetic gasoline are as follows: With methane as the predominant target for GTL, much attention has focused on the three enzymes that process methane. These ... | https://en.wikipedia.org/wiki?curid=2555528 |
Gas to liquids 6 billion, equivalent to 25% of the United States' gas consumption or 30% of the European Union's annual gas consumption, a resource that could be useful using GTL. Gas-to-liquids processes may also be used for the economic extraction of gas deposits in locations where it is not economical to build a pip... | https://en.wikipedia.org/wiki?curid=2555528 |
Gas to liquids Another proposed solution to stranded gas involves use of novel FPSO for offshore conversion of gas to liquids such as methanol, diesel, petrol, synthetic crude, and naphtha. GTL using natural gas is more economical when there is wide gap between the prevailing natural gas price and crude oil price on a ... | https://en.wikipedia.org/wiki?curid=2555528 |
Bowen's Kale was a reference material produced by British chemist Humphry Bowen and used for the calibration of early scientific instruments intended to measure trace elements during the 1960s. With Peter Cawse, Bowen grew, dried, and crushed a large amount of marrow-stem kale ("Brassica oleracea" var. "medullosa") int... | https://en.wikipedia.org/wiki?curid=2556728 |
Non-competitive inhibition is a type of enzyme inhibition where the inhibitor reduces the activity of the enzyme and binds equally well to the enzyme whether or not it has already bound the substrate. The inhibitor may bind to the enzyme whether or not the substrate has already been bound, but if it has a higher affini... | https://en.wikipedia.org/wiki?curid=2557688 |
Non-competitive inhibition The enzyme involved in this reaction is called invertase, and it is the enzyme the kinetics of which have been supported by Michaelis and Menten to be revolutionary for the kinetics of other enzymes. While expressing the rate of the reaction studied, they derived an equation that described th... | https://en.wikipedia.org/wiki?curid=2557688 |
Non-competitive inhibition Particularly during their work on describing the rate of this reaction they also tested and extrapolated on the idea of another scientist, Victor Henri, that enzyme they were using had some affinity for both products of this reaction – fructose and glucose. Using Henri's methods, Michaelis an... | https://en.wikipedia.org/wiki?curid=2557688 |
Non-competitive inhibition Using invertase to catalyze sucrose inversion, they could see how fast the enzyme was reacting by polarimetry; therefore, non-competitive inhibition was found to occur in the reaction where sucrose was inverted with invertase. It is important to note that while all non-competitive inhibitors ... | https://en.wikipedia.org/wiki?curid=2557688 |
Non-competitive inhibition Alanine is a non-competitive inhibitor, therefore it binds away from the active site to the substrate in order for it to still be the final product. Another example of non-competitive inhibition is given by glucose-6-phosphate inhibiting hexokinase in the brain. Carbons 2 and 4 on glucose-6-p... | https://en.wikipedia.org/wiki?curid=2557688 |
Non-competitive inhibition According to the Lineweaver-Burk plot the Vmax is reduced during the addition of a non-competitive inhibitor, which is shown in the plot by a change in both the slope and y-intercept when a non-competitive inhibitor is added. The primary difference between competitive and non-competitive is t... | https://en.wikipedia.org/wiki?curid=2557688 |
Non-competitive inhibition Mathematically, Noncompetitive inhibitors of CYP2C9 enzyme include nifedipine, tranylcypromine, phenethyl isothiocyanate, and 6-hydroxyflavone. Computer docking simulation and constructed mutants substituted indicate that the noncompetitive binding site of 6-hydroxyflavone is the reported all... | https://en.wikipedia.org/wiki?curid=2557688 |
Charles Thomas Beer Charles Thomas Beer, (18 November 1915 – 15 June 2010) was a Canadian organic chemist who helped in the discovery of vinblastine. Born in Leigh, Dorset, England, he received a D.Phil. in chemistry from Oxford in 1948. He came to North America in the early 1950s to the department of medical research ... | https://en.wikipedia.org/wiki?curid=2559814 |
Environmental mitigation Environmental mitigation, compensatory mitigation, or mitigation banking, are terms used primarily by the United States government and the related environmental industry to describe projects or programs intended to offset known impacts to an existing historic or natural resource such as a strea... | https://en.wikipedia.org/wiki?curid=2560072 |
Environmental mitigation and crediting systems are often praised for the following reasons: Mitigation is a more development-friendly alternative to strict environmental laws because it allows development to occur where environmental laws might prohibit it. Mitigation inevitably creates a "mitigation industry". By requ... | https://en.wikipedia.org/wiki?curid=2560072 |
Environmental mitigation Land previously unused or impractical for development is given greater monetary value under a mitigation system. For instance, land in floodplains may be impractical for commercial or residential development but conducive for mitigation activities. Land in rural areas with very little potential... | https://en.wikipedia.org/wiki?curid=2560072 |
Environmental mitigation Mitigation could be seen as contributing to the increasing cost of land because some mitigation work requires that large amounts of land be purchased or put into conservation easements. Mitigation can therefore compete with other rural land uses such as agriculture and residential development. ... | https://en.wikipedia.org/wiki?curid=2560072 |
Cyclohexadiene may refer to: | https://en.wikipedia.org/wiki?curid=2561058 |
Spontaneous magnetization is the appearance of an ordered spin state (magnetization) at zero applied magnetic field in a ferromagnetic or ferrimagnetic material below a critical point called the Curie temperature or . Heated to temperatures above , ferromagnetic materials become paramagnetic and their magnetic behavior... | https://en.wikipedia.org/wiki?curid=2562358 |
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