| Gloeocystidiellum porosum | |
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| Species: | G. porosum |
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| Gloeocystidiellum porosum | |
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Gloeocystidiellum porosum is a plant pathogen. [1] It is a corticioid homobasidiomycete that grows on various types of dead wood.
In mathematics, an ellipse is a plane curve surrounding two focal points, such that for all points on the curve, the sum of the two distances to the focal points is a constant. It generalizes a circle, which is the special type of ellipse in which the two focal points are the same. The elongation of an ellipse is measured by its eccentricity , a number ranging from to .
In physics, the kinetic energy of an object is the form of energy that it possesses due to its motion.
In Newtonian mechanics, momentum is the product of the mass and velocity of an object. It is a vector quantity, possessing a magnitude and a direction. If m is an object's mass and v is its velocity, then the object's momentum p is:
In physics, power is the amount of energy transferred or converted per unit time. In the International System of Units, the unit of power is the watt, equal to one joule per second. In older works, power is sometimes called activity. Power is a scalar quantity.
In mathematics, a tensor is an algebraic object that describes a multilinear relationship between sets of algebraic objects related to a vector space. Tensors may map between different objects such as vectors, scalars, and even other tensors. There are many types of tensors, including scalars and vectors, dual vectors, multilinear maps between vector spaces, and even some operations such as the dot product. Tensors are defined independent of any basis, although they are often referred to by their components in a basis related to a particular coordinate system; those components form an array, which can be thought of as a high-dimensional matrix.
The Schrödinger equation is a linear partial differential equation that governs the wave function of a quantum-mechanical system. Its discovery was a significant landmark in the development of quantum mechanics. It is named after Erwin Schrödinger, who postulated the equation in 1925 and published it in 1926, forming the basis for the work that resulted in his Nobel Prize in Physics in 1933.
In thermodynamics, the Gibbs free energy is a thermodynamic potential that can be used to calculate the maximum amount of work, other than pressure-volume work, that may be performed by a thermodynamically closed system at constant temperature and pressure. It also provides a necessary condition for processes such as chemical reactions that may occur under these conditions. The Gibbs free energy is expressed as
In biochemistry, Michaelis–Menten kinetics, named after Leonor Michaelis and Maud Menten, is the simplest case of enzyme kinetics, applied to enzyme-catalysed reactions of one substrate and one product. It takes the form of an equation describing the reaction rate to , the concentration of the substrate A. Its formula is given by the Michaelis–Menten equation:
Time dilation is the difference in elapsed time as measured by two clocks, either due to a relative velocity between them, or a difference in gravitational potential between their locations. When unspecified, "time dilation" usually refers to the effect due to velocity.
In linear algebra, it is often important to know which vectors have their directions unchanged by a linear transformation. An eigenvector or characteristic vector is such a vector. Thus an eigenvector of a linear transformation is scaled by a constant factor when the linear transformation is applied to it: . The corresponding eigenvalue, characteristic value, or characteristic root is the multiplying factor .
A capacitor is an electronic device that stores electrical energy in an electric field by accumulating electric charges on two closely spaced surfaces that are insulated from each other. It is a passive electronic component with two terminals.
Peridinium is a genus of motile, marine and freshwater dinoflagellates. Their morphology is considered typical of the armoured dinoflagellates, and their form is commonly used in diagrams of a dinoflagellate's structure. Peridinium can range from 30 to 70 μm in diameter, and has very thick thecal plates.
Gloeocystidiellum is a single genus of fungi in the monotypic Gloeocystidiellaceae family. Its species form crust-like, smooth fruitbodies. It is probably polyphyletic and may be restricted to the group around the type species G. porosum.
Omophron is a genus of ground beetle (Carabidae), the only extant genus in the subfamily Omophroninae. It is mostly distributed in the Northern Hemisphere with the southern border running through Guatemala and Hispaniola in Americas, South Africa and Madagascar in Africa, Malaysia and Philippines in Asia.
Ustilagic acid is an organic compound with the formula C36H64O18. The acid is a cellobiose lipid produced by the corn smut fungus Ustilago maydis under conditions of nitrogen starvation. The acid was discovered in 1950 and was proved to be an amphipathic glycolipid with surface active properties. The name comes from Latin ustus which means burnt and refers to the scorched appearance of the smut fungi.
Crassolabium is a genus of nematodes in the family Qudsianematidae.
The Arauz Formation is an Emsian fossiliferous stratigraphic unit in Spain. It is a member of the Abadia Group. It is situated in the Province of Palencia, North Spain. It is in the north of Natural Park of Fuentes Carrionas and Fuente Cobre-Montaña Palentina where the Rio Arauz lies. It is from the Devonian of Spain.
Rhodobium is a genus of true bugs belonging to the family Aphididae.
Geophilus osquidatum is a species of soil centipede in the family Geophilidae found in western Europe, from mainland Spain through western France to Britain and Ireland, though it's also been recorded in Italy, Czech Republic, and Germany. Males of this species have 51 to 57 pairs of legs; females have 53 to 63 leg pairs. This species grows up to 30 millimeters and is bright yellow with a darker reddish head. Because of this, it's often confused with G. flavus and G. gracilis. Its subspecies, G. osquidatum porosum, was found synonymous with G. flavus. In Britain, G. osquidatum is found in a wide range of habitats including woodland, grassland, and coastal shingle as well as gardens and waste ground.
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