Several dentists and patients with special dental problems have experimented with the device.

Several other similar systems also existed with even higher performance, but these often required special cabling that was incompatible with LocalTalk / PhoneNet, and also required patches to the networking stack that often caused problems.

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

Several fields of discrete mathematics, particularly theoretical computer science, graph theory, and combinatorics, are important in addressing the challenging bioinformatics problems associated with understanding the tree of life.

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 algorithms are freely available to solve knapsack problems, based on dynamic programming approach, branch and bound approach or hybridizations of both approaches.

Several serious problems resulted from this:

Several other examples of provable quantum speedups for query problems have subsequently been discovered, such as for finding collisions in two-to-one functions and evaluating NAND trees.

Several theoretical problems have been found with the AAH, and some claims made by the AAH have been challenged as having explanations aside from a period of aquatic adaptation.

Several linguistic problems arise in the attempt to relate Sumerian with known language families.

Several of the fundamental problems caused by the transition to sound were soon solved with new camera casings, known as " blimps ", designed to suppress noise and boom microphones that could be held just out of frame and moved with the actors.

Several other newspapers launched in the 1980s, including the Sunday Correspondent, had collapsed without winning enough readers to be profitable, and The Independent was experiencing similar problems.

Several prominent civil engineer considered the problems of Deeping Fen and the river outfall at the end of the 1700s.

Several studies have shown the importance of the Internet in providing social support, particularly to groups with chronic health problems.

Several of the Hilbert problems have been resolved ( or arguably resolved ) in ways that would have been profoundly surprising, and even disturbing, to Hilbert himself.

" Several mathematicians accepted the challenge, notably Fields Medalist Steve Smale, who responded to a request of Vladimir Arnold by proposing a list of 18 problems.

Several solutions to these problems were explored in the 1960s.

Several problems of gameplay are left woefully ambiguous or completely untouched in Linnaeus ' notes, and some translations are problematic.

Several essays about aesthetics followed, whereupon Schlick turned his attention to problems of epistemology, the philosophy of science, and more general questions about science.

Several modifications of the basic CSP definition have been proposed to adapt the model to a wide variety of problems.

Several of the processes investigated did not come to fruition owing to political and economic problems but the establishment of the ICI Pruteen process for the production of bacterial SCP for animal feed was a milestone in the development of the fermentation industry.

Several problems are related to shade in pasture areas.

Several radio stations have been forced to drop the program because of this policy, thus reducing Dr. Demento's affiliate count ( seven affiliates in 2008, versus over 100 at its peak ), further exacerbating the show's financial problems.

Several projects resulted in financial problems and many of the new buildings had fire code violations.

Several companies also saw possibilities in using the technique for extruding or molding vinyl products with a slight cellular core that would reduce costs yet would not affect physical properties of the end product to any great extent.

Several police cars, loaded with armed officers, raced alongside, blazing away at the tires of the big jet.

Several of the replies to Mr. Toynbee, without conscious resort to the traditional terminology with regard to the permission of evil, succeed in restoring the actual context in which present moral and political decisions must be made, by distinguishing between choosing a great evil and choosing in danger of this evil.

( 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 photographs and charts of galaxies help the non-scientist keep up with the discussion, and the smooth language indicates the contributors were determined to avoid the jargon that seems to work its way into almost every field.

Several of the sights on her trip inspired her, and they found their way into her poem, including the World's Columbian Exposition in Chicago, the " White City " with its promise of the future contained within its alabaster buildings ; the wheat fields of America's heartland Kansas, through which her train was riding on July 16 ; and the majestic view of the Great Plains from high atop Zebulon's Pikes Peak.

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 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 genera are popular with the horticultural community, including marigold, pot marigold ( also known as calendula ), cone flowers, various daisies, fleabane, chrysanthemums, dahlias, zinnias, and heleniums.

Several vapour-vesicles may unite while the rock is still viscous, and thus form a large cavity which may become the home of an agate of exceptional size ; thus a Brazilian geode lined with amethyst and weighing 35 tons was exhibited at the Düsseldorf Exhibition of 1902.

Several cultivars are known, such as ' Albus ' ( with white flowers ), ' Sapphire ' ( dark blue flowers ), ' Aureus ' ( leaves striped with yellow ), and ' Variegatus ' ( leaves almost entirely white with a few green bands ).

Several of Alexander's works were published in the Aldine edition of Aristotle, Venice, 1495 – 1498 ; his De Fato and De Anima were printed along with the works of Themistius at Venice ( 1534 ); the former work, which has been translated into Latin by Grotius and also by Schulthess, was edited by J. C. Orelli, Zürich, 1824 ; and his commentaries on the Metaphysica by H. Bonitz, Berlin, 1847.

Several organizations concerned with antimicrobial resistance are lobbying to eliminate the unnecessary use of antibacterials.

Several of ASU's graduate schools also appear among the top of the US News & World Report rankings, including the 30th-ranked W. P. Carey School of Business ( along with its 4th-ranked program in Supply Chain Management and the 15th-ranked program in Information Systems ), the 26th-ranked Sandra Day O ' Connor College of Law, the 43rd-ranked Ira A. Fulton School of Engineering ( including five individual programs ranked in the top 30 ), the 16th-ranked School of Public Affairs, the 26th-ranked Mary Lou Fulton Teachers College, the 21st-ranked College of Nursing and Health, and 25th-ranked Healthcare Management.

Several Evangelical groups reject the practice so as not to be identified with charismatic and Pentecostal groups, which practice it widely.

Several hundred peaceful demonstrators, rioters, and police were injured and hundreds were arrested during the days surrounding the G8 meeting ; most of those arrested have been charged with some form of " criminal association " under Italy's anti-mafia and anti-terrorist laws.

Several other incidents connected with the story of Aeacus are mentioned by Ovid.