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

Several lines of evidence, first from blood proteins, then from molecular systematics and DNA

Several external factors such as temperature, external fields ( electric, magnetic ), molecular crowding, limitation of space could have a big influence on the

Several molecular phylogenies containing most of the species are available, although they differ.

Several DEM codes, as do molecular dynamics codes, take advantage of parallel processing capabilities ( shared or distributed systems ) to scale up the number of particles or length of the simulation.

Several models of the origin of life are based on the notion that life may have arisen through the development of an initial molecular autocatalytic set which evolved over time.

Several molecular isoforms of GH exist in the pituitary gland and are released to blood.

Several Lewis structures are used collectively to describe the actual molecular structure.

Several closely related European mushrooms formerly thought to be varieties or forms of B. edulis have been shown using molecular phylogenetic analysis to be distinct species, and others previously classed as separate species are conspecific with this species.

Several molecular studies published in the 2000s ( decade ) demonstrated that Psilocybe, as it was defined then, was polyphyletic.

Several molecular systematic studies have shown that Gesneriaceae are not closely related to any other family of the Lamiales, but more recently a sister-group relationship with Calceolariaceae has been suggested.

Several taxa seem to have evolved quite recently, making molecular analyses difficult.

Several other genera were previously placed in Akodontini, but are now placed in a separate tribe Abrotrichini, largely on molecular grounds.

Several molecular typing schemes have been proposed to determine the relatedness of pathogens such as pulsed-field gel electrophoresis ( PFGE ), ribotyping, and PCR-based fingerprinting.

Several universities and a number of companies ( Hewlett Packard, ZettaCore ) have announced work on molecular memories, which some hope will supplant DRAM memory as the lowest cost technology for high-speed computer memory.

Several molecular synapomorphies also support the monophyly of the clade.

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

Several mechanisms have been proposed through which warmth builds up in equatorial Pacific surface waters, and is then dispersed to lower depths by an El Niño event.

Several Perl modules available from CPAN provide serialization mechanisms, including and.

Several mechanisms have been proposed in the literature.

Several other filling mechanisms were introduced to compete, such as the coin-filler ( where a ' coin ' or ' medallion ' was supplied along with the pen ) match-filler using a matchstick and a ' blow-filler ' which unsurprisingly required the pen owner to blow into the barrel to depress the internal sac.

Several mechanisms are thought to be operative in the pathogenesis of autoimmune diseases, against a backdrop of genetic predisposition and environmental modulation.

Several mechanotransduction mechanisms have been proposed as reasons for the response of tenocytes to mechanical force that enable them to alter their gene expression, protein synthesis, and cell phenotype, and eventually cause changes in tendon structure.

Several mechanisms that are intended to incent new investment where it is most needed by offering enhanced capacity payments ( but only in zones where generation is projected to be short ) have been proposed for NEPOOL, PJM and NYPOOL, and go under the generic heading of " locational capacity " or LICAP ( the PJM version currently 2006 under FERC review is called the " Reliability Pricing Model ", or " RPM ").

Several mechanisms are thought to contribute to this effect.

Several different psychological and psycho-physiological mechanisms for blushing have been hypothesized by Crozier ( 2010 ).

In 2006 Hera Flor ( Clinical Neuroscience, University of Heidelberg ) stated that " Several studies, including large surveys of amputees, have shown that most currently available treatments for phantom limb pain, which range from analgesic and antidepressant medication to stimulation, are ineffective and fail to consider the mechanisms that underlie production of the pain ".

Several different mechanisms have been proposed to describe the manner in which the material is removed.

Several of these mechanisms may also apply to countries of similar systems.

Several cognitive mechanisms that explain cultivation effects have been put forth by Shrum ( 1995 ; 1996 ; 1997 ).

Several other types of firing mechanisms exist, like rotating internal firing pins ( Robbins and Lawrence, Comblain ), rotating firing pins on a hammer ( Sharps, Grunbaum ) or multiple firing pins ( Martin ).

Several other mechanisms were proposed as well, each with their own problems.

Several mechanisms have been suggested as responsible for the formation of the Altiplano plateau ; theories try to explain why the topography in the Andes incorporates this large area of low relief at high altitude ( high plateau ) within the orogen:

Several studies seem to suggest that the mechanisms underlying their evolution may at least in part differ, with consequently possibly different clinical implications.

Several manufacturers offer similar locking mechanisms that do not require a special lock hole.

Several different mechanisms have been used for image stabilization.

Several mechanisms exist to deactivate the SAC after correct bi-orientation of sister chromatids.

Several dynamic oceanic mechanisms and SST-air feedback may contribute to the observed decadal variability in the North Pacific Ocean.

Several kinds of file-locking mechanisms are available in different flavors of Unix, and many operating systems support more than one kind for compatibility.

Several academic papers have pointed out the firm's continued use of the antibacterial agent Triclosan (' Active B ') in India because it is under review by the American Food and Drug Administration ( FDA ).