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CV Tormo Barberá
CV, Cv, or cv may refer to: *Curriculum vitae, a summary of academic and professional history and achievements CV, Cv, or cv may also refer to: Businesses and organisations * Cargolux (IATA designator CV), a Luxembourg cargo airline * , a German umbrella organisation of Catholic student fraternities * Central Vermont Railway, a railway that operated in the New England states * Christian Voice (UK), a UK advocacy group * , a Brazilian criminal organization * , a student group at Columbia University Computing and electronics * Capacitance voltage profiling, a technique to characterize semiconductor materials and devices * Computer vision, methods of extracting information and meaning from images and video * Constant voltage source, electrical description * CV/Gate, a control voltage and gate solution * Cross-validation (statistics), a method to separate data in machine learning Literature and media * ''CV'' (novel), a novel by Damon Knight * Character voice, or CV * CV Netwo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Curriculum Vitae
In English, a curriculum vitae (,Definition of "curriculum vitae" by Oxford Dictionary on Lexico.com for 'course of life', often shortened to CV) is a short written summary of a person's , qualifications, and education. This is the most common usage in . [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coronavirus
Coronaviruses are a group of related RNA viruses that cause diseases in mammals and birds. In humans and birds, they cause respiratory tract infections that can range from mild to lethal. Mild illnesses in humans include some cases of the common cold (which is also caused by other viruses, predominantly rhinoviruses), while more lethal varieties can cause SARS, MERS and COVID-19. In cows and pigs they cause diarrhea, while in mice they cause hepatitis and encephalomyelitis. Coronaviruses constitute the subfamily ''Orthocoronavirinae'', in the family ''Coronaviridae'', order ''Nidovirales'' and realm ''Riboviria''. They are enveloped viruses with a Positive-strand RNA virus, positive-sense single-stranded RNA genome and a nucleocapsid of helical symmetry. The genome size of coronaviruses ranges from approximately 26 to 32 kilobases, one of the largest among RNA viruses. They have characteristic club-shaped Spike protein, spikes that project from their surface, which in electron ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Constant-velocity Joint
A constant-velocity joint (also called a CV joint and homokinetic joint) is a mechanical coupling which allows the shafts to rotate freely (without an appreciable increase in friction or Backlash (engineering), backlash) and compensates for the angle between the two shafts, within a certain range, to maintain the same velocity. A common use of CV joints is in front-wheel drive vehicles, where they are used to transfer the engine's power to the wheels, even as the angle of the driveshaft varies due to the operation of the steering and Car suspension, suspension. History The predecessor to the constant-velocity joint was the universal joint (also called a ''Cardan joint'') which was invented by Gerolamo Cardano in the 16th century. A short-coming of the universal joint is that the rotational speed of the output shaft fluctuates despite the rotational speed of the input shaft being constant. This fluctuation causes unwanted vibration in the system and increases as the angle betwe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Compensating Variation
{{Short description, Economic measure of utility change In economics, compensating variation (CV) is a measure of utility change introduced by John Hicks (1939). 'Compensating variation' refers to the amount of additional money an agent would need to reach their initial utility after a change in prices, a change in product quality, or the introduction of new products. Compensating variation can be used to find the effect of a price change on an agent's net welfare. CV reflects new prices and the old utility level. It is often written using an expenditure function, e(p,u): :CV = e(p_1, u_1) - e(p_1, u_0) : = w_1 - e(p_1, u_0) where w_1 is the new wealth level, p_0 and p_1 are the old and new prices respectively, and u_0 and u_1 are the old and new utility levels respectively. The first equation can be interpreted as saying that, under the new price regime, the consumer would accept a substraction of ''CV'' in exchange for allowing the change to occur. More intuitively, the e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coefficient Of Variation
In probability theory and statistics, the coefficient of variation (CV), also known as normalized root-mean-square deviation (NRMSD), percent RMS, and relative standard deviation (RSD), is a standardized measure of dispersion of a probability distribution or frequency distribution. It is defined as the ratio of the standard deviation \sigma to the mean \mu (or its absolute value, , and often expressed as a percentage ("%RSD"). The CV or RSD is widely used in analytical chemistry to express the precision and repeatability of an assay. It is also commonly used in fields such as engineering or physics when doing quality assurance studies and ANOVA gauge R&R, by economists and investors in economic models, in epidemiology, and in psychology/neuroscience. Definition The coefficient of variation (CV) is defined as the ratio of the standard deviation \sigma to the mean \mu, CV = \frac. It shows the extent of variability in relation to the mean of the population. The coefficien ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cataclysmic Variable Star
In astronomy, cataclysmic variable stars (CVs) are stars which irregularly increase in brightness by a large factor, then drop back down to a quiescent state. They were initially called novae (), since those with an outburst brightness visible to the naked eye and an invisible quiescent brightness appeared as new stars in the sky. Cataclysmic variable stars are binary stars that consist of two components; a white dwarf primary, and a mass transferring secondary. The stars are so close to each other that the gravity of the white dwarf distorts the secondary, and the white dwarf accretes matter from the companion. Therefore, the secondary is often referred to as the ''donor star'', and it is usually less massive than the primary. The infalling matter, which is usually rich in hydrogen, forms in most cases an accretion disk around the white dwarf. Strong UV and X-ray emission is often detected from the accretion disc, powered by the loss of gravitational potential energy from the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Calorific Value
The heating value (or energy value or calorific value) of a substance, usually a fuel or food (see food energy), is the amount of heat released during the combustion of a specified amount of it. The ''calorific value'' is the total energy released as heat when a substance undergoes complete combustion with oxygen under standard conditions. The chemical reaction is typically a hydrocarbon or other organic molecule reacting with oxygen to form carbon dioxide and water and release heat. It may be expressed with the quantities: * energy/ mole of fuel * energy/mass of fuel * energy/volume of the fuel There are two kinds of enthalpy of combustion, called high(er) and low(er) heat(ing) value, depending on how much the products are allowed to cool and whether compounds like are allowed to condense. The high heat values are conventionally measured with a bomb calorimeter. Low heat values are calculated from high heat value test data. They may also be calculated as the difference betwe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Specific Heat
In thermodynamics, the specific heat capacity (symbol ) of a substance is the amount of heat that must be added to one unit of mass of the substance in order to cause an increase of one unit in temperature. It is also referred to as massic heat capacity or as the specific heat. More formally it is the heat capacity of a sample of the substance divided by the mass of the sample. The International System of Units, SI unit of specific heat capacity is joule per kelvin per kilogram, J⋅kg−1⋅K−1. For example, the heat required to raise the temperature of of water by is , so the specific heat capacity of water is . Specific heat capacity often varies with temperature, and is different for each state of matter. Liquid water has one of the highest specific heat capacities among common substances, about at 20 °C; but that of ice, just below 0 °C, is only . The specific heat capacities of iron, granite, and hydrogen gas are about 449 J⋅kg−1⋅K−1, 790 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flow Coefficient
The flow coefficient of a device is a relative measure of its efficiency at allowing fluid flow. It describes the relationship between the pressure drop across an orifice valve or other assembly and the corresponding flow rate. A greater restriction in flow will create a larger pressure drop across a device and thus a smaller flow coefficient, conversely device with little restriction in flow will have a small pressure drop and a larger flow coefficient. For example, the flow coefficient of a 1" ball valve may be 80 while a similarly sized globe valve in the same application may be 10. Mathematically the flow coefficient (or flow-capacity rating of valve) can be expressed as C_\text = Q \sqrt, where, : is the rate of flow (expressed in US gallons per minute), : SG is the specific gravity of the fluid (for water = 1), : is the pressure drop across the valve (expressed in psi). In more practical terms, the ''flow coefficient'' is the volume (in US gallons) of water at that ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CV Postcode Area
The CV postcode area, also known as the Coventry postcode area, is a group of 24 postcode districts in central England, within eleven post towns. These cover the eastern part of the West Midlands county (including Coventry), most of Warwickshire (including Atherstone, Bedworth, Kenilworth, Leamington Spa, Nuneaton, Rugby, Shipston-on-Stour, Southam, Stratford-upon-Avon and Warwick), a part of west Leicestershire and a very small part of Northamptonshire. The postcode areas CV1 to CV6 incorporate the city of Coventry and its contiguous suburbs, with CV7 covering several rural and suburban villages to the immediate west and north of the city (where Coventry remains the post town), i.e., the eastern portion of Solihull Borough and the southernmost areas of the Nuneaton & Bedworth District. CV8 to CV47 covers all other post towns in the postcode area, to the north, south, and east of Coventry (full coverage listed below). The CV area borders seven other postcode areas: B (Birm ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cee Vee, Texas
Cee Vee is an unincorporated community in northwestern Cottle County, Texas, United States. According to the ''Handbook of Texas'', the community had a population of 45 in 2000. History Cee Vee was established on land that had previously belonged to the CV Ranch. The CV land was part of the property that Lafayette M. Hughes sold out of the Mill Iron Ranch in 1927. That next year, the new settlement was given a post office, and William Newson was appointed postmaster. Postal officials prohibited using initials' but ultimately approved Cee Vee when Newson requested the name of CV for the post office. Around 1929, a gin was constructed, and Cee Vee expanded to include two general stores, a barbershop, and a feed supply. By 1929, congregations of the Methodists, Baptists, and Church of Christ had formed. Local enterprises served a large remote farming area. About 50 people were served by two stores in 1940. The community had 71 residents served by the post office and a business in 1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Conduction Velocity
In neuroscience, nerve conduction velocity (CV) is the speed at which an electrochemical impulse propagates down a neural pathway. Conduction velocities are affected by a wide array of factors, which include age, sex, and various medical conditions. Studies allow for better diagnoses of various neuropathies, especially demyelinating diseases as these conditions result in reduced or non-existent conduction velocities. CV is an important aspect of nerve conduction studies. Normal conduction velocities Ultimately, conduction velocities are specific to each individual and depend largely on an axon's diameter and the degree to which that axon is myelinated, but the majority of 'normal' individuals fall within defined ranges. Nerve impulses are extremely slow compared to the speed of electricity, where the electric field can propagate with a speed on the order of 50–99% of the speed of light; however, it is very fast compared to the speed of blood flow, with some myelinated neuron ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
