MPI or Mpi may refer to:

Science and technology

Biology and medicine

Magnetic particle imaging Magnetic particle imaging (MPI) is an emerging non-invasive tomographic technique that directly detects superparamagnetic nanoparticle tracers. The technology has potential applications in diagnostic imaging and material science. Currently, it i ...

, an emerging non-invasive tomographic technique *

Myocardial perfusion imaging Myocardial perfusion imaging or scanning (also referred to as MPI or MPS) is a nuclear medicine procedure that illustrates the function of the heart muscle (myocardium). It evaluates many heart conditions, such as coronary artery disease (CAD), h ...

, a nuclear medicine procedure that illustrates the function of the heart muscle (myocardium) *

Mannose phosphate isomerase Mannose-6 phosphate isomerase (MPI), alternately phosphomannose isomerase (PMI) () is an enzyme which facilitates the interconversion of fructose 6-phosphate (F6P) and mannose-6-phosphate (M6P). Mannose-6-phosphate isomerase may also enable the s ...

, an enzyme *

Mass psychogenic illness Mass psychogenic illness (MPI), also called mass sociogenic illness, mass psychogenic disorder, epidemic hysteria, or mass hysteria, involves the spread of illness symptoms through a population where there is no infectious agent responsible for c ...

, the rapid spread of illness signs and symptoms affecting members of a cohesive group * Master patient index, an index referencing all patients * Multidimensional Pain Inventory, a pain medicine assessment questionnaire

Computing

Marburg Picture Index The Bildindex der Kunst und Architektur is an open online database An online database is a database accessible from a local network or the Internet, as opposed to one that is stored locally on an individual computer or its attached storage (such a ...

, online database of photographs of artworks *

Merchant plug-in A merchant plug-in (MPI) is a software module designed to facilitate 3D-Secure verifications to help prevent credit card fraud. The MPI identifies the account number and queries the servers of the card issuer (Visa, MasterCard, or JCB Internatio ...

, software used to prevent credit card fraud on e-commerce sites *

Message Parsing Interpreter TinyMUCK or, more broadly, a MUCK, is a type of user-extendable online text-based role-playing game, designed for role playing and social interaction. Backronyms like "Multi-User Chat/Created/Computer/Character/Carnal Kingdom" and "Multi-User Const ...

, a Lisp-like language on TinyMUCK * Message Passing Interface, a communications protocol for parallel computation * Multi-Point Interface, an automation programming protocol from Siemens *

Multipath interference In radio communication, multipath is the propagation phenomenon that results in radio signals reaching the receiving antenna by two or more paths. Causes of multipath include atmospheric ducting, ionospheric reflection and refraction, and refle ...

, a physical effect which causes signal degradation in communication systems * Multiple precision integer, a programming language type supporting arbitrary precision

Other science and technology

* Magnetic particle inspection, a non-destructive method used to detect defects in ferrous materials *

Multi point injection Manifold injection is a mixture formation system for internal combustion engines with external mixture formation. It is commonly used in engines with spark ignition that use petrol as fuel, such as the Otto engine, and the Wankel engine. In a mani ...

, fuel injection system for automobile engines *

Maximum potential intensity The maximum potential intensity of a tropical cyclone is the theoretical limit of the strength of a tropical cyclone. Maximum potential intensity Due to surface friction, the inflow only partially conserves angular momentum. Thus, the sea surface ...

, a meteorology term associated with tropical cyclones

Companies and organizations

Magnetic Peripherals Control Data Corporation (CDC) was a mainframe and supercomputer firm. CDC was one of the nine major United States computer companies through most of the 1960s; the others were IBM, Burroughs Corporation, DEC, NCR, General Electric, Honeyw ...

Inc., a Control Data Corporation subsidiary renamed Imprimis and sold to Seagate Technology *

Manitoba Public Insurance Manitoba Public Insurance Corporation (MPI; french: Société d'assurance publique du Manitoba) is the non-profit Crown corporation which administers public auto insurance, motor vehicle registration, and driver licensing in Manitoba. Established ...

, a non-profit Crown corporation based in Manitoba *

Markov Processes International Markov Processes International, Inc. (MPI) Is a provider of investment research, analytics and technology, used by organizations throughout the financial services industry, including: alternative research groups, hedge funds, hedge fund of fund ...

, a global provider of investment research, analytics and technology *

Materials Processing Institute The Materials Processing Institute is a research centre serving organisations that work in advanced materials, low-carbon energy and the circular economy. The Institute is based in Tees Valley in the northeast of England. Background The Bri ...

, a not-for-profit company providing industrial R&D services based in Teesside, UK *

Max Planck Institute Max or MAX may refer to: Animals * Max (dog) (1983–2013), at one time purported to be the world's oldest living dog * Max (English Springer Spaniel), the first pet dog to win the PDSA Order of Merit (animal equivalent of OBE) * Max (gorilla) (1 ...

, scientific research institutes in Germany *

Migration Policy Institute The Migration Policy Institute (MPI) is a non-partisan think tank established in 2001 by Kathleen Newland and Demetrios G. Papademetriou. The Migration Policy Institute is supportive of Liberalism, liberal immigration policies. About The Migrati ...

, a human migration research institute based in Washington, DC *

Mihajlo Pupin Institute Mihajlo Pupin Institute ( sr, Институт Михајло Пупин, Institut Mihajlo Pupin) is an institute based in Belgrade, Serbia. It is named after Mihajlo Idvorski Pupin and is part of the University of Belgrade. It is notable for ma ...

, an ICT research institute based in Belgrade, Serbia *

Military Police Investigations A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. It is typically authorized and maintained by a sovereign state, with its members identifiable by their distinct ...

, the minor crimes investigators of the US Army's Military Police *

Ministry for Primary Industries (New Zealand) , logo = MPINZ-logo.svg , logo_width = , logo_caption = , picture = , picture_width = , picture_caption = , formed = , preceding1 = Ministry of Agriculture and Forestry , preced ...

, a government agency in New Zealand *

Ministry of Planning and Investment (Vietnam) The Ministry of Planning and Investment (MPI, vi, Bộ Kế hoạch và Đầu tư), formerly the Committee of State Planning, is a governmental ministry charged with the role of state management over planning and investment. The ministry's he ...

Mission Pictures International Mission Pictures International (MPI) is a foreign sales, finance, and distribution company specializing in family and faith-based entertainment for mainstream audiences worldwide. Since Mission’s inception in 2008 CEO/Founder Cindy Bond has be ...

, a foreign sales, finance, and distribution company *

MotivePower MotivePower, Inc. (MPI) is an American manufacturer of diesel-electric locomotives. The company is a wholly-owned subsidiary of Wabtec, and traces its history back to the MK Rail division of Morrison-Knudsen. History Morrison-Knudsen establ ...

, a locomotive manufacturer and rebuilder *

Movimiento Pro-Independencia Throughout the history of Puerto Rico, its inhabitants have initiated several movements to obtain independence for the island, first from the Spanish Empire from 1493 to 1898 and since then from the United States. A spectrum of pro-autonomy, ...

, the Puerto Rican Pro-independence Movement *

Moving Picture Institute The Moving Picture Institute (MPI) is an American non-profit organization and film production company founded in 2005 by human rights advocate Thor Halvorssen. Its current president is Rob Pfaltzgraff. Mission and purpose The Moving Picture Inst ...

, an American non-profit organization and film production company *

MPI Media Group MPI Media Group is an American producer, distributor and licensor of theatrical film and home entertainment. MPI's subsidiaries include MPI Pictures, MPI Home Video, Gorgon Video, and the horror film distributor Dark Sky Films. The company is l ...

, an American home entertainment company

Other uses

Mpi language Mpi is a Loloish language of Thailand. The number of speakers is in decline. It is spoken in the following two villages in northern Thailand. *Ban Dong, Tambon Suan Khuean สวนเขื่อน, Mueang Phrae District, Phrae Province (au ...

, a Loloish language of Thailand *

Mpi people The Mpi are an ethnic group of Thailand. Geographic Distribution There are about 1,500 Mpi in the Nan and Phrae Provinces of Thailand. Origin The Mpi migrated to Thailand. They are of Lolo descent. Language Religions *Theravada Buddhism ...

, an ethnic group from Thailand *

Mariposa-Yosemite Airport Mariposa-Yosemite Airport is a public airport located four miles (6 km) west of the central business district of Mariposa, in Mariposa County, California, United States. It is owned by the County of Mariposa. Although most U.S. airports us ...

(FAA location identifier), Mariposa County, California, US * Milanka Price Index, one of the principal stock indices of the Colombo Stock Exchange in Sri Lanka *

Multidimensional Poverty Index Multidimensional Poverty Indices use a range of indicators to calculate a summary poverty figure for a given population, in which a larger figure indicates a higher level of poverty. This figure considers both the proportion of the population that ...

, used by the UNDP {{disambiguation Language and nationality disambiguation pages