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MacPherson strut – Masonry – Mast – Material science – Modulus of elasticity – Mohr-Coulomb theory – Monocoque – Moment – Moment distribution – Moment of inertia – Mortar – Moulding | Wikipedia - Index of structural engineering articles | null | null | null |
MacTutor (2015). "Schreier biography". MacTutor History of Mathematics. Retrieved 2015-03-08. | Wikipedia - Lie algebra extension | null | null | null |
Macaulay's method(The double integration method) is a technique used in structural analysis to determine the deflection of Euler-Bernoulli beams. Use of Macaulay's technique is very convenient for cases of discontinuous and/or discrete loading. Typically partial uniformly distributed loads (u.d.l.) and uniformly varyin... | Wikipedia - Virtual leak | null | null | null |
over the span and a number of concentrated loads are conveniently handled using this technique. Mach numberThe ratio of the speed of an object to the speed of sound. MachineA machine (or mechanical device) is a mechanical structure that uses power to apply forces and control movement to perform an intended action. | Wikipedia - Virtual leak | null | null | null |
Machines can be driven by animals and people, by natural forces such as wind and water, and by chemical, thermal, or electrical power, and include a system of mechanisms that shape the actuator input to achieve a specific application of output forces and movement. They can also include computers and sensors that monito... | Wikipedia - Virtual leak | null | null | null |
Each instruction causes the CPU to perform a very specific task, such as a load, a store, a jump, or an arithmetic logic unit (ALU) operation on one or more units of data in the CPU's registers or memory. Machine elementOr hardware, refers to an elementary component of a machine. These elements consist of three basic t... | Wikipedia - Virtual leak | null | null | null |
While generally not considered to be a machine element, the shape, texture and color of covers are an important part of a machine that provide a styling and operational interface between the mechanical components of a machine and its users. Machine elements are basic mechanical parts and features used as the building b... | Wikipedia - Virtual leak | null | null | null |
Machine learning(ML), is the study of computer algorithms that improve automatically through experience and by the use of data. It is seen as a part of artificial intelligence. Machine learning algorithms build a model based on sample data, known as "training data", in order to make predictions or decisions without bei... | Wikipedia - Virtual leak | null | null | null |
Machine learning algorithms are used in a wide variety of applications, such as in medicine, email filtering, speech recognition, and computer vision, where it is difficult or unfeasible to develop conventional algorithms to perform the needed tasks. Maclaurin seriesIn mathematics, the Taylor series of a function is an... | Wikipedia - Virtual leak | null | null | null |
Taylor's series are named after Brook Taylor, who introduced them in 1715. If zero is the point where the derivatives are considered, a Taylor series is also called a Maclaurin series, after Colin Maclaurin, who made extensive use of this special case of Taylor series in the 18th century. Magnetic fieldA magnetic field... | Wikipedia - Virtual leak | null | null | null |
A moving charge in a magnetic field experiences a force perpendicular to its own velocity and to the magnetic field. : ch13 A permanent magnet's magnetic field pulls on ferromagnetic materials such as iron, and attracts or repels other magnets. In addition, a magnetic field that varies with location will exert a force ... | Wikipedia - Virtual leak | null | null | null |
Magnetic fields surround magnetized materials, and are created by electric currents such as those used in electromagnets, and by electric fields varying in time. Since both strength and direction of a magnetic field may vary with location, they are described as a map assigning a vector to each point of space or, more p... | Wikipedia - Virtual leak | null | null | null |
B, magnetic flux density, is measured in tesla (in SI base units: kilogram per second2 per ampere), which is equivalent to newton per meter per ampere. H and B differ in how they account for magnetization. In vacuum, the two fields are related through the vacuum permeability, B / μ 0 = H {\displaystyle \mathbf {B} /\mu... | Wikipedia - Virtual leak | null | null | null |
MagnetismIs a class of physical attributes that are mediated by magnetic fields. Electric currents and the magnetic moments of elementary particles give rise to a magnetic field, which acts on other currents and magnetic moments. Magnetism is one aspect of the combined phenomenon of electromagnetism. | Wikipedia - Virtual leak | null | null | null |
The most familiar effects occur in ferromagnetic materials, which are strongly attracted by magnetic fields and can be magnetized to become permanent magnets, producing magnetic fields themselves. Demagnetizing a magnet is also possible. | Wikipedia - Virtual leak | null | null | null |
Only a few substances are ferromagnetic; the most common ones are iron, cobalt and nickel and their alloys. The rare-earth metals neodymium and samarium are less common examples. The prefix ferro- refers to iron, because permanent magnetism was first observed in lodestone, a form of natural iron ore called magnetite, F... | Wikipedia - Virtual leak | null | null | null |
Manufacturing engineeringIs a branch of professional engineering that shares many common concepts and ideas with other fields of engineering such as mechanical, chemical, electrical, and industrial engineering. Manufacturing engineering requires the ability to plan the practices of manufacturing; to research and to dev... | Wikipedia - Virtual leak | null | null | null |
Mass balanceA mass balance, also called a material balance, is an application of conservation of mass to the analysis of physical systems. By accounting for material entering and leaving a system, mass flows can be identified which might have been unknown, or difficult to measure without this technique. The exact conse... | Wikipedia - Virtual leak | null | null | null |
: 59–62 Mass densityThe density (more precisely, the volumetric mass density; also known as specific mass), of a substance is its mass per unit volume. The symbol most often used for density is ρ (the lower case Greek letter rho), although the Latin letter D can also be used. Mathematically, density is defined as mass ... | Wikipedia - Virtual leak | null | null | null |
In some cases (for instance, in the United States oil and gas industry), density is loosely defined as its weight per unit volume, although this is scientifically inaccurate – this quantity is more specifically called specific weight. Mass moment of inertiaThe moment of inertia, otherwise known as the mass moment of in... | Wikipedia - Virtual leak | null | null | null |
Mass numberThe mass number (symbol A, from the German word Atomgewicht ), also called atomic mass number or nucleon number, is the total number of protons and neutrons (together known as nucleons) in an atomic nucleus. It is approximately equal to the atomic (also known as isotopic) mass of the atom expressed in atomic... | Wikipedia - Virtual leak | null | null | null |
The mass number is different for each different isotope of a chemical element. Hence, the difference between the mass number and the atomic number Z gives the number of neutrons (N) in a given nucleus: N = A − Z. The mass number is written either after the element name or as a superscript to the left of an element's sy... | Wikipedia - Virtual leak | null | null | null |
The full isotope symbol would also have the atomic number (Z) as a subscript to the left of the element symbol directly below the mass number: 126C. Mass spectrometry(MS), is an analytical technique that is used to measure the mass-to-charge ratio of ions. The results are typically presented as a mass spectrum, a plot ... | Wikipedia - Virtual leak | null | null | null |
Mass spectrometry is used in many different fields and is applied to pure samples as well as complex mixtures. Material failure theoryIs an interdisciplinary field of materials science and solid mechanics which attempts to predict the conditions under which solid materials fail under the action of external loads. The f... | Wikipedia - Virtual leak | null | null | null |
Depending on the conditions (such as temperature, state of stress, loading rate) most materials can fail in a brittle or ductile manner or both. However, for most practical situations, a material may be classified as either brittle or ductile. In mathematical terms, failure theory is expressed in the form of various fa... | Wikipedia - Virtual leak | null | null | null |
Failure criteria are functions in stress or strain space which separate "failed" states from "unfailed" states. A precise physical definition of a "failed" state is not easily quantified and several working definitions are in use in the engineering community. Quite often, phenomenological failure criteria of the same f... | Wikipedia - Virtual leak | null | null | null |
Material propertiesA materials property is an intensive property of some material, i.e., a physical property that does not depend on the amount of the material. These quantitative properties may be used as a metric by which the benefits of one material versus another can be compared, thereby aiding in materials selecti... | Wikipedia - Virtual leak | null | null | null |
The intellectual origins of materials science stem from the Enlightenment, when researchers began to use analytical thinking from chemistry, physics, and engineering to understand ancient, phenomenological observations in metallurgy and mineralogy. Materials science still incorporates elements of physics, chemistry, an... | Wikipedia - Virtual leak | null | null | null |
Beginning in the 1940s, materials science began to be more widely recognized as a specific and distinct field of science and engineering, and major technical universities around the world created dedicated schools for its study. Materials scientists emphasize understanding, how the history of a material (processing) in... | Wikipedia - Virtual leak | null | null | null |
This paradigm is used to advance understanding in a variety of research areas, including nanotechnology, biomaterials, and metallurgy. Materials science is also an important part of forensic engineering and failure analysis – investigating materials, products, structures or components, which fail or do not function as ... | Wikipedia - Virtual leak | null | null | null |
Mathematical optimizationMathematical optimization (alternatively spelled optimisation) or mathematical programming is the selection of a best element, with regard to some criterion, from some set of available alternatives. Optimization problems of sorts arise in all quantitative disciplines from computer science and e... | Wikipedia - Virtual leak | null | null | null |
The generalization of optimization theory and techniques to other formulations constitutes a large area of applied mathematics. More generally, optimization includes finding "best available" values of some objective function given a defined domain (or input), including a variety of different types of objective function... | Wikipedia - Virtual leak | null | null | null |
The Journal of Mathematical Physics defines the field as "the application of mathematics to problems in physics and the development of mathematical methods suitable for such applications and for the formulation of physical theories". MathematicsIncludes the study of such topics as quantity (number theory), structure (a... | Wikipedia - Virtual leak | null | null | null |
When mathematical structures are good models of real phenomena, mathematical reasoning can be used to provide insight or predictions about nature. Through the use of abstraction and logic, mathematics developed from counting, calculation, measurement, and the systematic study of the shapes and motions of physical objec... | Wikipedia - Virtual leak | null | null | null |
The research required to solve mathematical problems can take years or even centuries of sustained inquiry. MatrixIn mathematics, a matrix (plural matrices) is a rectangular array or table of numbers, symbols, or expressions, arranged in rows and columns, which is used to represent a mathematical object or a property o... | Wikipedia - Virtual leak | null | null | null |
Without further specifications, matrices represent linear maps, and allow explicit computations in linear algebra. Therefore, the study of matrices is a large part of linear algebra, and most properties and operations of abstract linear algebra can be expressed in terms of matrices. For example, matrix multiplication r... | Wikipedia - Virtual leak | null | null | null |
Not all matrices are related to linear algebra. This is in particular the case, in graph theory, of incidence matrices and adjacency matrices. MatterIn classical physics and general chemistry, matter is any substance that has mass and takes up space by having volume. | Wikipedia - Virtual leak | null | null | null |
All everyday objects that can be touched are ultimately composed of atoms, which are made up of interacting subatomic particles, and in everyday as well as scientific usage, "matter" generally includes atoms and anything made up of them, and any particles (or combination of particles) that act as if they have both rest... | Wikipedia - Virtual leak | null | null | null |
These include classical everyday phases such as solid, liquid, and gas – for example water exists as ice, liquid water, and gaseous steam – but other states are possible, including plasma, Bose–Einstein condensates, fermionic condensates, and quark–gluon plasma. Maximum-distortion energy theory. Maximum-normal-stress t... | Wikipedia - Virtual leak | null | null | null |
Maximum shear stress. Maxwell's equationsAre a set of coupled partial differential equations that, together with the Lorentz force law, form the foundation of classical electromagnetism, classical optics, and electric circuits. The equations provide a mathematical model for electric, optical, and radio technologies, su... | Wikipedia - Virtual leak | null | null | null |
The equations are named after the physicist and mathematician James Clerk Maxwell, who, in 1861 and 1862, published an early form of the equations that included the Lorentz force law. Maxwell first used the equations to propose that light is an electromagnetic phenomenon. An important consequence of Maxwell's equations... | Wikipedia - Virtual leak | null | null | null |
Known as electromagnetic radiation, these waves may occur at various wavelengths to produce a spectrum of light from radio waves to gamma rays. MeanThere are several kinds of mean in mathematics, especially in statistics: For a data set, the arithmetic mean, also known as average or arithmetic average, is a central val... | Wikipedia - Virtual leak | null | null | null |
If the data set were based on a series of observations obtained by sampling from a statistical population, the arithmetic mean is the sample mean (denoted x ¯ {\displaystyle {\bar {x}}} ) to distinguish it from the mean, or expected value, of the underlying distribution, the population mean (denoted μ {\displaystyle \m... | Wikipedia - Virtual leak | null | null | null |
In a discrete probability distribution of a random variable X, the mean is equal to the sum over every possible value weighted by the probability of that value; that is, it is computed by taking the product of each possible value x of X and its probability p(x), and then adding all these products together, giving μ = ∑... | Wikipedia - Virtual leak | null | null | null |
{\displaystyle \mu =\sum xp(x)....} . An analogous formula applies to the case of a continuous probability distribution. Not every probability distribution has a defined mean (see the Cauchy distribution for an example). | Wikipedia - Virtual leak | null | null | null |
Moreover, the mean can be infinite for some distributions. For a finite population, the population mean of a property is equal to the arithmetic mean of the given property, while considering every member of the population. For example, the population mean height is equal to the sum of the heights of every individual—di... | Wikipedia - Virtual leak | null | null | null |
The sample mean may differ from the population mean, especially for small samples. The law of large numbers states that the larger the size of the sample, the more likely it is that the sample mean will be close to the population mean. Outside probability and statistics, a wide range of other notions of mean are often ... | Wikipedia - Virtual leak | null | null | null |
Measure of central tendencyIn statistics, a central tendency (or measure of central tendency) is a central or typical value for a probability distribution. It may also be called a center or location of the distribution. Colloquially, measures of central tendency are often called averages. | Wikipedia - Virtual leak | null | null | null |
The term central tendency dates from the late 1920s. The most common measures of central tendency are the arithmetic mean, the median, and the mode. A middle tendency can be calculated for either a finite set of values or for a theoretical distribution, such as the normal distribution. | Wikipedia - Virtual leak | null | null | null |
Occasionally authors use central tendency to denote "the tendency of quantitative data to cluster around some central value." The central tendency of a distribution is typically contrasted with its dispersion or variability; dispersion and central tendency are the often characterized properties of distributions. Analys... | Wikipedia - Virtual leak | null | null | null |
Mechanical advantageIs a measure of the force amplification achieved by using a tool, mechanical device or machine system. The device trades off input forces against movement to obtain a desired amplification in the output force. The model for this is the law of the lever. | Wikipedia - Virtual leak | null | null | null |
Machine components designed to manage forces and movement in this way are called mechanisms. An ideal mechanism transmits power without adding to or subtracting from it. This means the ideal mechanism does not include a power source, is frictionless, and is constructed from rigid bodies that do not deflect or wear. | Wikipedia - Virtual leak | null | null | null |
The performance of a real system relative to this ideal is expressed in terms of efficiency factors that take into account departures from the ideal. Mechanical engineeringIs an engineering branch that combines engineering physics and mathematics principles with materials science to design, analyze, manufacture, and ma... | Wikipedia - Virtual leak | null | null | null |
Mechanical filterIs a signal processing filter usually used in place of an electronic filter at radio frequencies. Its purpose is the same as that of a normal electronic filter: to pass a range of signal frequencies, but to block others. The filter acts on mechanical vibrations which are the analogue of the electrical ... | Wikipedia - Virtual leak | null | null | null |
At the input and output of the filter, transducers convert the electrical signal into, and then back from, these mechanical vibrations. Mechanical waveIs a wave that is an oscillation of matter, and therefore transfers energy through a medium. While waves can move over long distances, the movement of the medium of tran... | Wikipedia - Virtual leak | null | null | null |
Therefore, the oscillating material does not move far from its initial equilibrium position. Mechanical waves transport energy. This energy propagates in the same direction as the wave. | Wikipedia - Virtual leak | null | null | null |
Any kind of wave (mechanical or electromagnetic) has a certain energy. Mechanical waves can be produced only in media which possess elasticity and inertia. | Wikipedia - Virtual leak | null | null | null |
MechanicsIs the area of physics concerned with the motions of physical objects, more specifically the relationships among force, matter, and motion. Forces applied to objects result in displacements, or changes of an object's position relative to its environment. This branch of physics has its origins in Ancient Greece... | Wikipedia - Virtual leak | null | null | null |
During the early modern period, scientists such as Galileo, Kepler, and Newton laid the foundation for what is now known as classical mechanics. It is a branch of classical physics that deals with particles that are either at rest or are moving with velocities significantly less than the speed of light. It can also be ... | Wikipedia - Virtual leak | null | null | null |
The field is today less widely understood in terms of quantum theory. MechanismIs a device that transforms input forces and movement into a desired set of output forces and movement. | Wikipedia - Virtual leak | null | null | null |
Mechanisms generally consist of moving components which may include: Gears and gear trains; Belts and chain drives; Cams and followers; Linkages; Friction devices, such as brakes or clutches; Structural components such as a frame, fasteners, bearings, springs, or lubricants; Various machine elements, such as splines, p... | Wikipedia - Virtual leak | null | null | null |
The basic feature of the median in describing data compared to the mean (often simply described as the "average") is that it is not skewed by a small proportion of extremely large or small values, and therefore provides a better representation of a "typical" value. Median income, for example, may be a better way to sug... | Wikipedia - Virtual leak | null | null | null |
MeltingMelting, or fusion, is a physical process that results in the phase transition of a substance from a solid to a liquid. This occurs when the internal energy of the solid increases, typically by the application of heat or pressure, which increases the substance's temperature to the melting point. At the melting p... | Wikipedia - Virtual leak | null | null | null |
Melting pointThe melting point (or, rarely, liquefaction point) of a substance is the temperature at which it changes state from solid to liquid. At the melting point the solid and liquid phase exist in equilibrium. The melting point of a substance depends on pressure and is usually specified at a standard pressure suc... | Wikipedia - Virtual leak | null | null | null |
When considered as the temperature of the reverse change from liquid to solid, it is referred to as the freezing point or crystallization point. Because of the ability of substances to supercool, the freezing point can easily appear to be below its actual value. When the "characteristic freezing point" of a substance i... | Wikipedia - Virtual leak | null | null | null |
MesonIn particle physics, mesons are hadronic subatomic particles composed of an equal number of quarks and antiquarks, usually one of each, bound together by strong interactions. Because mesons are composed of quark subparticles, they have a meaningful physical size, a diameter of roughly one femtometer (1×10−15 m), w... | Wikipedia - Virtual leak | null | null | null |
Heavier mesons decay to lighter mesons and ultimately to stable electrons, neutrinos and photons. Metallic bondingIs a type of chemical bonding that arises from the electrostatic attractive force between conduction electrons (in the form of an electron cloud of delocalized electrons) and positively charged metal ions. ... | Wikipedia - Virtual leak | null | null | null |
Metallic bonding accounts for many physical properties of metals, such as strength, ductility, thermal and electrical resistivity and conductivity, opacity, and luster. Metallic bonding is not the only type of chemical bonding a metal can exhibit, even as a pure substance. For example, elemental gallium consists of cov... | Wikipedia - Virtual leak | null | null | null |
Another example of a metal–metal covalent bond is the mercurous ion (Hg2+2). Middle-out A combination of top-down and bottom-up design. Mid-rangeIn statistics, the mid-range or mid-extreme is a measure of central tendency of a sample (statistics) defined as the arithmetic mean of the maximum and minimum values of the d... | Wikipedia - Virtual leak | null | null | null |
{\displaystyle M={\frac {\max x+\min x}{2}}.} The mid-range is closely related to the range, a measure of statistical dispersion defined as the difference between maximum and minimum values. The two measures are complementary in sense that if one knows the mid-range and the range, one can find the sample maximum and mi... | Wikipedia - Virtual leak | null | null | null |
The mid-range is rarely used in practical statistical analysis, as it lacks efficiency as an estimator for most distributions of interest, because it ignores all intermediate points, and lacks robustness, as outliers change it significantly. Indeed, it is one of the least efficient and least robust statistics. However,... | Wikipedia - Virtual leak | null | null | null |
MidhingeIn statistics, the midhinge is the average of the first and third quartiles and is thus a measure of location. Equivalently, it is the 25% trimmed mid-range or 25% midsummary; it is an L-estimator. MH ( X ) = Q 1 , 3 ( X ) ¯ = Q 1 ( X ) + Q 3 ( X ) 2 = P 25 ( X ) + P 75 ( X ) 2 = M 25 ( X ) {\displaystyle \op... | Wikipedia - Virtual leak | null | null | null |
The two are complementary in sense that if one knows the midhinge and the IQR, one can find the first and third quartiles. The use of the term "hinge" for the lower or upper quartiles derives from John Tukey's work on exploratory data analysis in the late 1970s, and "midhinge" is a fairly modern term dating from around... | Wikipedia - Virtual leak | null | null | null |
MH ( X ) = 2 TM ( X ) − med ( X ) = 2 Q 1 + 2 Q 2 + Q 3 4 − Q 2 {\displaystyle \operatorname {MH} (X)=2\operatorname {TM} (X)-\operatorname {med} (X)=2{\frac {Q_{1}+2Q_{2}+Q3}{4}}-Q_{2}} Mining engineeringMining in the engineering discipline is the extraction of minerals from underneath, above or on the ground. M... | Wikipedia - Virtual leak | null | null | null |
Miller indicesMiller indices form a notation system in crystallography for planes in crystal (Bravais) lattices. In particular, a family of lattice planes is determined by three integers h, k, and ℓ, the Miller indices. They are written (hkℓ), and denote the family of planes orthogonal to h b 1 + k b 2 + ℓ b 3 {\displa... | Wikipedia - Virtual leak | null | null | null |
By convention, negative integers are written with a bar, as in 3 for −3. The integers are usually written in lowest terms, i.e. their greatest common divisor should be 1. Miller indices are also used to designate reflections in X-ray crystallography. | Wikipedia - Virtual leak | null | null | null |
In this case the integers are not necessarily in lowest terms, and can be thought of as corresponding to planes spaced such that the reflections from adjacent planes would have a phase difference of exactly one wavelength (2π), regardless of whether there are atoms on all these planes or not. There are also several rel... | Wikipedia - Virtual leak | null | null | null |
Mobile robotIs a robot that is capable of moving in the surrounding (locomotion). Mobile robotics is usually considered to be a subfield of robotics and information engineering. Mobile robots have the capability to move around in their environment and are not fixed to one physical location. | Wikipedia - Virtual leak | null | null | null |
Mobile robots can be "autonomous" (AMR - autonomous mobile robot) which means they are capable of navigating an uncontrolled environment without the need for physical or electro-mechanical guidance devices. Alternatively, mobile robots can rely on guidance devices that allow them to travel a pre-defined navigation rout... | Wikipedia - Virtual leak | null | null | null |
The joint-arm are controlled by linear actuator or servo motor or stepper motor. ModeThe mode is the value that appears most often in a set of data values. If X is a discrete random variable, the mode is the value x (i.e., X = x) at which the probability mass function takes its maximum value. | Wikipedia - Virtual leak | null | null | null |
In other words, it is the value that is most likely to be sampled. Like the statistical mean and median, the mode is a way of expressing, in a (usually) single number, important information about a random variable or a population. The numerical value of the mode is the same as that of the mean and median in a normal di... | Wikipedia - Virtual leak | null | null | null |
Modulus of elasticityAn elastic modulus (also known as modulus of elasticity) is a quantity that measures an object or substance's resistance to being deformed elastically (i.e., non-permanently) when a stress is applied to it. The elastic modulus of an object is defined as the slope of its stress–strain curve in the e... | Wikipedia - Virtual leak | null | null | null |
Since strain is a dimensionless quantity, the units of δ {\displaystyle \delta } will be the same as the units of stress. Mohr's circle A graphical method of analyzing the three-dimensional stresses in a system that has a loading force applied to it. | Wikipedia - Virtual leak | null | null | null |
MolalityIs a measure of the number of moles of solute in a solution corresponding to 1 kg or 1000 g of solvent. This contrasts with the definition of molarity which is based on a specified volume of solution. A commonly used unit for molality in chemistry is mol/kg. | Wikipedia - Virtual leak | null | null | null |
A solution of concentration 1 mol/kg is also sometimes denoted as 1 molal. The unit mol/kg requires that molar mass be expressed in kg/mol, instead of the usual g/mol or kg/kmol. Molar attenuation coefficientIs a measurement of how strongly a chemical species attenuates light at a given wavelength. | Wikipedia - Virtual leak | null | null | null |
It is an intrinsic property of the species. The SI unit of molar attenuation coefficient is the square metre per mole (m2/mol), but in practice, quantities are usually expressed in terms of M−1⋅cm−1 or L⋅mol−1⋅cm−1 (the latter two units are both equal to 0.1 m2/mol). In older literature, the cm2/mol is sometimes used; ... | Wikipedia - Virtual leak | null | null | null |
The molar attenuation coefficient is also known as the molar extinction coefficient and molar absorptivity, but the use of these alternative terms has been discouraged by the IUPAC. Molar concentrationMolar concentration (also called molarity, amount concentration or substance concentration) is a measure of the concent... | Wikipedia - Virtual leak | null | null | null |
A solution with a concentration of 1 mol/L is said to be 1 molar, commonly designated as 1 M. To avoid confusion with SI prefix mega, which has the same abbreviation, small caps ᴍ or italicized M are also used in journals and textbooks. Molar massIn chemistry, the molar mass of a chemical compound is defined as the mas... | Wikipedia - Virtual leak | null | null | null |
The molar mass is a bulk, not molecular, property of a substance. The molar mass is an average of many instances of the compound, which often vary in mass due to the presence of isotopes. Most commonly, the molar mass is computed from the standard atomic weights and is thus a terrestrial average and a function of the r... | Wikipedia - Virtual leak | null | null | null |
The molar mass is appropriate for converting between the mass of a substance and the amount of a substance for bulk quantities. MoldingMolding (American English) or moulding (British and Commonwealth English; see spelling differences) is the process of manufacturing by shaping liquid or pliable raw material using a rig... | Wikipedia - Virtual leak | null | null | null |
This itself may have been made using a pattern or model of the final object. MoleculeA molecule is an electrically neutral group of two or more atoms held together by chemical bonds. Molecules are distinguished from ions by their lack of electrical charge. | Wikipedia - Virtual leak | null | null | null |
In quantum physics, organic chemistry, and biochemistry, the distinction from ions is dropped and molecule is often used when referring to polyatomic ions. In the kinetic theory of gases, the term molecule is often used for any gaseous particle regardless of its composition. This violates the definition that a molecule... | Wikipedia - Virtual leak | null | null | null |
A molecule may be homonuclear, that is, it consists of atoms of one chemical element, as with two atoms in the oxygen molecule (O2); or it may be heteronuclear, a chemical compound composed of more than one element, as with water (two hydrogen atoms and one oxygen atom; H2O). Atoms and complexes connected by non-covale... | Wikipedia - Virtual leak | null | null | null |
Its most important experimental techniques are the various types of spectroscopy; scattering is also used. The field is closely related to atomic physics and overlaps greatly with theoretical chemistry, physical chemistry and chemical physics. | Wikipedia - Virtual leak | null | null | null |
Moment of inertiaThe moment of inertia, otherwise known as the mass moment of inertia, angular mass, second moment of mass, or most accurately, rotational inertia, of a rigid body is a quantity that determines the torque needed for a desired angular acceleration about a rotational axis, akin to how mass determines the ... | Wikipedia - Virtual leak | null | null | null |
Multidisciplinary design optimization(MDO), is a field of engineering that uses optimization methods to solve design problems incorporating a number of disciplines. It is also known as multidisciplinary system design optimization (MSDO). MDO allows designers to incorporate all relevant disciplines simultaneously. | Wikipedia - Virtual leak | null | null | null |
The optimum of the simultaneous problem is superior to the design found by optimizing each discipline sequentially, since it can exploit the interactions between the disciplines. However, including all disciplines simultaneously significantly increases the complexity of the problem. Mutual inductanceIs the ratio betwee... | Wikipedia - Virtual leak | null | null | null |
Mutual inductance is given the symbol M. MuonThe muon, from the Greek letter mu (μ) used to represent it) is an elementary particle similar to the electron, with an electric charge of −1 e and a ] 1/2, but with a much greater mass. It is classified as a lepton. As with other leptons, the muon is not known to have any s... | Wikipedia - Virtual leak | null | null | null |
The muon is an unstable subatomic particle with a mean lifetime of 2.2 μs, much longer than many other subatomic particles. As with the decay of the non-elementary neutron (with a lifetime around 15 minutes), muon decay is slow (by subatomic standards) because the decay is mediated only by the weak interaction (rather ... | Wikipedia - Virtual leak | null | null | null |
Macaulay's notation is commonly used in the static analysis of bending moments of a beam. This is useful because shear forces applied on a member render the shear and moment diagram discontinuous. Macaulay's notation also provides an easy way of integrating these discontinuous curves to give bending moments, angular de... | Wikipedia - Macaulay brackets | null | null | null |
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