Several theorists have therefore proposed quantum mind ( QM ) theories of consciousness.

Several theories allow calculating the reaction rates at the molecular level.

Several theories on the origins of the term " Damascus steel " exist, but none of them may be confirmed definitively.

Several modern theories have ventured to explain this decline, including the breakdown of trade routes to supply the needed metals, the lack of trace impurities in the metals, the possible loss of knowledge on the crafting techniques through secrecy and lack of transmission, or a combination of all the above.

Several theories have been put forth to explain the loss of genes.

Several perspectives have been established within which the theories of learning used in educational psychology are formed and contested.

Several such theories have been proposed, but none is currently universally accepted.

Several theories have been created to establish historical roots for the worship of a Horned God.

Several theories introduce assumptions which proved to be wrong, like the equal transit-time theory.

Several theories were advanced to explain the phenomenon.

Several competing theories have been introduced to explain the origin of modern Romanians.

Several generations of scholarly thought on revolutions have generated many competing theories and contributed much to the current understanding of this complex phenomenon.

Several of the major theories of truth hold that there is a particular property the having of which makes a belief or proposition true.

Several theories have been put forth ; one was that he was killed by a blow to the head, while another was that his death was caused by a broken leg.

Several theories have been proposed about the origin of the Friday the 13th superstition.

Several other theories of massive star formation remain to be tested observationally.

Several theories that have predicted repulsive effects, do not fall within the category of tractor and repulsor beams because of the absence of field collimation.

Several theories of the origin of Ukrainian language exist.

Several theories have been advanced to explain this contradiction, and new experimental evidence has demonstrated their feasibility.

Several kinds of unification are commonly studied: that for theories without any equations ( the empty theory ) is referred to as syntactic unification: one wishes to show that ( pairs of ) terms are identical.

Several theories have been put forth to explain why the game was developed.

Several theories have been proposed which modify the equations of quantum mechanics to be symmetric with respect to time reversal.

Several theories exist to explain the discrepancy.

Several theories have been proposed to explain it ; one is that the observer sees portions of the lightning channel end on, and that these portions appear especially bright.

Several times more ( 20 to 40 %) attempt suicide at least once.

Several SEALs were wounded in a rescue attempt and their Air Force Combat Controller, Technical Sergeant John Chapman, was killed.

Several crew are lost due to flooding in the platform, while the surviving crew and SEALs tend to their injuries and attempt to restore the platform's critical power.

Several attempts at a Star Trek motion picture were made in the 1970s, including Gene Roddenberry's 1975 treatment The God Thing, and a later attempt called Planet of the Titans, which proceeded to script stage only to be abandoned in 1977.

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

Several sources indicate that Mid-Ulster UVF's brigadier, Robin " The Jackal " Jackson from Donaghcloney ( now deceased ) contacted members of the gang in the Shankill, " Mr A " in particular, and had them make an attempt on the life of journalist Jim Campbell, northern editor of the Sunday World newspaper, in May 1984.

Several indexes exist that attempt to measure innovation include:

Several theories attempt to explain how the name Lampasas came to be.

Several sources refer to levofentanyl as the agent used by Mossad agents in their unsuccessful attempt to kill Hamas leader Khaled Mashal.

Several commercial complexes have opened in recent years in an attempt to revitalize the most affected areas.

Several peace initiatives fell through, and an attempt by Richard Cumberland to negotiate a separate peace with Spain ended in frustration.

Several other messages are exchanged to indicate status of the delivery attempt.

Several Reform politicians continued to attempt to reach out to Mackenzie, but he rebuffed all of them, to the point that by 1857, only David Christie still attempted to include Mackenzie in Reform Party plans.

Several models ( e. g., the bicycle-pedal mechanism, hula-twist mechanism ) attempt to explain how the retinal group can change its conformation without clashing with the enveloping rhodopsin protein pocket.

Several have tried to restore the text to discover Apollonius's solution, among them Snellius ( Willebrord Snell, Leiden, 1698 ); Alexander Anderson of Aberdeen, in the supplement to his Apollonius Redivivus ( Paris, 1612 ); and Robert Simson in his Opera quaedam reliqua ( Glasgow, 1776 ), by far the best attempt.

Several Wildcats followed the " Vals " into their attack dives, despite the intense anti-aircraft artillery fire from Enterprise and her screening warships, in a desperate attempt to disrupt their attacks.

Several senior leaders within the Communist Party hierarchy knew that Lin's party would flee, but chose not to attempt to stop their flight.

Several top officers and foreign intelligence agencies, including his predecessor and at the time, graduate student in Warwick University, England, Yakubu Gowon, the CIA and the MOSSAD were accused of either planning, sponsoring or aiding the coup attempt.

Several of his fellow-prisoners at the Avenue Foch suspected him of collaboration with the enemy although he made a failed escape attempt ( according to his own account ) together with another SOE prisoner, Noor Inyat Khan and a French Colonel named Léone Faye.

Several hundred people were killed along the border in their Republikflucht attempt.

Several prominent radio personalities along with CBS News vice president Edward R. Murrow supported Faulk's earnest attempt to put an end to blacklisting.

Several days before his death, in a state of stupor he went on a high speed drive around Moscow in an attempt to obtain drugs and alcohol – when many high-ranking people saw him.

Several other underground groups also emerged to attempt to sabotage the new regime, but they were eventually crushed.

Several hundred years later, Fram's descendant Léod was killed in an attempt to tame the horse Felaróf, first of the Mearas of Rohan.