Several concepts that provide alternative definitions for the reaction mechanisms involved and their application in solving related problems exist.

Several of these methods may be directly extended to give definitions of e < sup > z </ sup > for complex values of z simply by substituting z in place of x and using the complex algebraic operations.

Several set-theoretic definitions of the ordered pair are given below.

Several thermodynamic definitions are very useful in thermochemistry.

Several definitions and theorems about monoids may be generalized for categories.

Several definitions of Kundalini yoga have been used in Eastern and modern Western teachings.

Several definitions for the term have been put forward.

Several definitions of equivalent strain can be found in the literature.

Several definitions of sex-positivity have been offered by sexologist Carol Queen:

Several equivalent and more concrete definitions for the notion of a purely inseparable extension are known.

Several statistical offices publish productivity accounting handbooks and manuals with detailed accounting instructions and definitions.

Several definitions of the term starburst galaxy exist and there is no strict definition on which all astronomers agree.

Several other definitions are in use, and so care must be taken in comparing different sources.

Several of these challenges predated future game shows which used the same concepts, such as a game in which Woody Allen challenged the panel to guess words based on definitions written by children, which became the basis for Child's Play, and a pair of segments with Peter Falk and Soupy Sales in which the panel had to identify celebrities based on a series of photos starting with infancy and progressing older.

Several definitions are in use, some of which are described below.

Several different meanings of the initials " NMP " have been given at different times-the more common definitions are " No More Parties ", " No More Politics ", and " New Millennium Partnership ".

Several definitions have been advanced for the flagship species concept although the concept has for some time been immerse in confusion even in the academic literature.

Several misleading false cognates ( faux amis ) exist in French and English word definitions, which can confuse discussions of religion and cults:

Several headers in the standard library contain definitions of support types, that have additional properties, such as exact size, guaranteed.

Several definitions of service levels are used in the literature as well as in practice.

Several methods exist to aid the design of real-time systems, an example of which is MASCOT, an old but very successful method which represents the concurrent structure of the system.

Several spurs of Route 44 had existed or were planned prior to 1953, including Route S44, which ran concurrent with US 322 to the ferry between Bridgeport and Chester, Pennsylvania ; Route S44A, a never-built bypass of Camden ; and Route 44T, which was to run from a tunnel under the Delaware River in Paulsboro east to Route 42.

Several rush-hour Greenbush Line trains began to stop concurrent with that line's restoration in 2007.

Several regime shifts are apparent both in the reconstructions and instrumental data, during the 20th century regime shifts associated with concurrent changes in SST, SLP, land precipitation and ocean cloud cover occurred in 1924 / 1925, 1945 / 1946 and 1976 / 1977 :< ref name =" Deser 2004 ">

Several concurrent forces contributed to the popularizing of the Romanesque Revival in the United States.

Several military engineering vehicles have been developed in various nations to achieve this task.

( Several students from the civil engineering department got up and quietly left the room.

Several Grand Prix teams established formal links with F3000 teams to develop young drivers ( and engineering talent ); these relationships varied from formal " junior teams " ( such as the one McLaren set up for Nick Heidfeld ) to fairly distant relationships based mostly upon shared sponsors and the use of the ' parent ' team's name.

Several foundation-related engineering problems, such as the Leaning Tower of Pisa, prompted scientists to begin taking a more scientific-based approach to examining the subsurface.

Several research groups have independently developed simulation software that agrees well with experimental findings in a wide range of engineering applications, including adhesive powders, granular flow, and jointed rock masses.

Several MIT classes, including many taught by the computer science and electrical engineering department ( Course VI ) are held inside.

Several broad disciplines including Psychology, Human Factors and Cognitive Science subsume usability engineering, but the theoretical foundations of the field come from more specific domains: human perception and action ; human cognition ; behavioral research methodologies ; and, to a lesser extent, quantitative and statistical analysis techniques.

Several internationally recognized non-profit organizations have originated at Northwestern including the World Health Imaging, Informatics and Telemedicine Alliance, a spin-off from an engineering student's honors thesis.

Several engineering changes were made to the corridor to make it suitable for the trains ' operation.

Several self-propelled guns, the IT-28 bridging tank, and an engineering vehicle with mine rollers were tested on the T-28 tank chassis, but none was accepted for production.

Several of these areas of study rely on the branch of sexuality physics and engineering that studies the production and use of very low temperatures

Several years later, the brigade was the primary engineering component during the invasion of Iraq in 2003.

Several science and engineering departments of the Sino-French University ( 中法大學 ) were merged into the school in 1950.

Several engineering organizations also host links such as NSPE, United States Army Corps of Engineers, and ASCE.

Several features of the hotel required complex engineering feats to achieve.

Several minor engineering changes were made for ' 58, including revisions to the suspension and driveshaft that finally allowed designers to create a three-passenger rear seat.

Several engineering adjustments were made later in order to ease the gradient of the rails.

Several small and midsize companies, especially in mechanical engineering provide jobs.

As with many upmarket engineering companies of the time, Alvis did not produce their own coachwork, relying instead on the many available coachbuilders in the Midlands area, such as Carbodies, Charlesworth Bodies, Cross and Ellis, Duncan Industries ( Engineers ) Ltd, E. Bertelli Ltd, Grose, Gurney Nutting, Hooper, Lancefield Coachworks, Martin Walter Ltd, Mayfair, Mulliners, Tickford, Vanden Plas, Weymann Fabric Bodies, and William Arnold Ltd. Several cars also survive with quite exotic one-off bodywork from other designers such as Holbrook, a U. S. coachbuilder.

Several of its colleges, including engineering ( IIT-BHU ), science, linguistics, journalism & mass communication, performing arts, law, agriculture ( IAS-BHU ), medicine ( IMS-BHU ) and management ( FMS ), are ranked among the best in India.

Several characters speculate that someone higher up within the Empire may be engineering the elimination of various people who were loyal to the late Emperor.

Several engineering companies also queried whether the locomotives would be made available for sale, though the cost of replacing the engines and related drive components meant that these inquiries did not amount to much more than that.

Several significant events in 2001 persuaded BNFL to upgrade the fuel routes of both Calder Hall and Chapelcross to near modern standards at a cost of tens of millions of pounds to guarantee that a License Instrument would be granted by the NII to permission final defuelling: the engineering work is being carried out by BNS Nuclear Services ( Formally Alstec ).

Several other small engineering firms design and build early aircraft engines such as Maxfield & Co who test an early mono plane in 1909 at Castle Bromwich, the Butterfield Brothers also make an experimental aircraft engine in 1911.