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Several methods have been proposed to remedy this by increasing genetic diversity somehow and preventing early convergence, either by increasing the probability of mutation when the solution quality drops ( called triggered hypermutation ), or by occasionally introducing entirely new, randomly generated elements into the gene pool ( called random immigrants ).
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Several and methods
Several independent mass estimates, obtained by different methods, suggest that an adult Albertosaurus weighed between 1. 3 tonnes ( 1. 4 short tons ) and 1. 7 tonnes ( 1. 9 tons ).
Several proteins are involved, but two main methods of regulation have been identified: targeting mitochondria functionality, or directly transducing the signal via adaptor proteins to the apoptotic mechanisms.
* Several computer operating systems have various methods of running software originally designed for older versions or other OSs:
Several methods exist to compute the value of without actually expanding a binomial power or counting k-combinations.
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 methods of calculation have been proposed, and although there may be small differences in the numerical values of the electronegativity, all methods show the same periodic trends between elements.
Several methods of loading are available, including pellet loading, cast loading, and press loading, the choice being determined by the characteristics of the explosive.
Several cooking methods used to soften often tough cuts have evolved into national specialties, including Sauerbraten ( sour roast ), involving marinating beef or venison in a vinegar or wine vinegar mixture over several days.
Several methods exist to dispel the curse, depending on the actor.
Several methods exist for disseminating nerve agents on the battlefield.
Several detailed studies using various methods to measure growth curves among known specimens have demonstrated that there is actually only one valid Pterodactylus species, P. antiquus.
Several methods to protect user's privacy when using location based services have been proposed, including the use of anonymizing servers, blurring of information e. a.
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 methods of RNA splicing occur in nature ; the type of splicing depends on the structure of the spliced intron and the catalysts required for splicing to occur.
Several potential methods of altering the climate of Mars may fall within humanity's technological capabilities, but at present the economic resources required to do so are far beyond that which any government or society is willing to allocate to the purpose.
) Several types of naval " torpedo " were developed and deployed, most often by the Confederates, who faced a severe disadvantage in more traditional warfare methods.
Several of the trials were intended to established tactical methods of using submarines in warfare.
Several methods for heating an exhaust fluid using the gamma rays produced by positron annihilation have been proposed.
Several but not all methods of altitude classification treat clouds with significant vertical extent as a separate family.
Several clinical trials have already reported positive results using rAAV to treat Leber's Congenital Amaurosis, showing that the therapy was both safe and effective There were no serious adverse events, and patients in all three studies showed improvement in their visual function as measured by a number of methods.
Several methods of Bayesian estimation select measurements of central tendency from the posterior distribution.
Several methods that can reduce the exposure to ionizing radiation during a CT scan exist.
Several geostatistical methods provide ways of relaxing this stationarity assumption.
Several and have
Several years of her life have been spent in the homeland, and she had written to friends to alert them of our coming.
Several conventions have been held in recent months in hotels on a nonsegregated basis.
Several dentists and patients with special dental problems have experimented with the device.
Several germanium resistors have been thermally cycled from 300 to 4.2 Af and their resistances have been found to be reproducible within 1/3 millidegree when temperatures were derived from a vapor pressure thermometer whose tubing is jacketed through most of the liquid helium.
Several financial institutions, both banks and insurance companies, have been sounded out.
Several days after the companies had received the questionnaire, members of the research team contacted the presidents of eleven of these companies in person or by phone to discuss any ambiguities or difficulties the addressees might have experienced in completing the questionnaire.
Several signers affixed their names, it was learned, after being told that no tax increase would be possible without consent of the General Assembly and that a provision could be included in the charter to have the town take over the Johnston Sanitary District sewer system.
( Several times recently I have wondered whether shows were being staged for the sake of the script or just to entertain the audience with the spectacle of scenery being shifted right in front of their eyes.
Several of these double entries have been collected by Ben Bagley and Michael McWhinney, along with Rodgers and Hart songs that disappeared permanently en route to New York and others that reached Broadway but have not become part of the constantly heard Rodgers and Hart repertory, in a delightfully refreshing album, Rodgers And Hart Revisited ( Spruce Records, 505 Fifth Avenue, New York ).
Several robot cities have been planned for the country: the first will be built in 2009 at a cost of 500 billion won, of which 50 billion is direct government investment.
Several of the dialects have been influenced by contact with non-Germanic linguistic groups, such as the dialect of Carinthia, where in the past many speakers were bilingual with Slovene, and the dialect of Vienna, which has been influenced by immigration during the Austro-Hungarian period, particularly from what is today the Czech Republic.
Several AFI Alums have received both national and international recognition.
Several unusual applications, such as a nuclear battery or fuel for space ships with nuclear propulsion, have been proposed for the isotope < sup > 242m </ sup > Am, but they are as yet hindered by the scarcity and high price of this nuclear isomer.
Several biographical programs have been made, such as the 2004 BBC television programme entitled Agatha Christie: A Life in Pictures, in which she is portrayed by Olivia Williams, Anna Massey, and Bonnie Wright.
Several additional candidates for written ASL have appeared in over the years, including Sutton SignWriting, Sign Script, ASL-phabet, and Si5s.
Several genres of fiction have been confused as alternate histories.
Several volcanoes on offshore islands have records of historic activity.
Several of Ambrose's works have recently been published in the bilingual Latin-German Fontes Christiani series ( currently edited by Brepols ).
Several religious brotherhoods which have sprung up in and around Milan at various times since the 14th century have been called Ambrosians.
Several saints and six popes have borne this name, including the only English pope, Adrian IV, and the only Dutch pope, Adrian VI.
Several alternatives to the human sacrifice have been presented in Greek mythology.
Several other princes have borne the name Alexander:
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