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 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 ).

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 that can reduce the exposure to ionizing radiation during a CT scan exist.

Several geostatistical methods provide ways of relaxing this stationarity assumption.

Several methods of computational statistics have close connections with Bayesian analysis:

Several other promising modeling techniques have been used, including Boolean networks, Petri nets, Bayesian networks, graphical Gaussian models, Stochastic, and Process Calculi.

Several other methods of phylogeny estimation are available, including maximum likelihood, Bayesian phylogeny inference, neighbour joining, and quartet methods.

Several Jews, including Theodore, a rich representative Jew who stood high in the estimation of his coreligionists and of Christians alike, underwent baptism.

Several methods have been suggested to correct these estimates ; one uses a variant of survival analysis in order to account for the length information of interrupted chains, and thus reduce the bias in the estimation of average degrees of separation.

Several HPLC-UV methods have been reported for valdecoxib estimation in biological samples like human urine, plasma,.

Several simple games can be played to select one person from a group, either as a straightforward winner, or as someone who is eliminated.

On March 30, 2007, it opened in select theaters in the United States and Canada and was released on DVD on November 13, 2007 as part of a deluxe box set with a director's cut of Burnett's sophomore feature My Brother's Wedding and three Burnett shorts: Several Friends ( a 1969 aesthetic precursor to Killer of Sheep ), The Horse ( an " allegory of the South " in Burnett's words ), and When It Rains ( praised as one of the greatest short films of all time by critic Jonathan Rosenbaum ).

Several chains, including Walmart, Kroger ( including subsidiaries such as Dillons ), Target, and others, offer $ 4 monthly prescriptions on select generic drugs as a customer draw.

Several select committees are treated as standing committees by House and Senate rules, and are permanent fixtures in both bodies continuing from one congress to the next.

< p >" Several years ago, among the drivers of the depot Izmailovo there was recruiting for a service on secret routes, and although there were many willing, they were to select only one.

Several measurements can be done on the F responses, including minimal and maximal latencies, and F wave persistence.

Several reports have been published by various governmental and non-governmental organizations to present alternatives to the ozone depleting substances, since the substances have been used in various technical sectors, like in refrigerating, agriculture, energy production, and laboratory measurements

Several other properties are also desirable in a good detector scintillator: a low gamma output ( i. e., a high efficiency for converting the energy of incident radiation into scintillation photons ), transparency to its own scintillation light ( for good light collection ), efficient detection of the radiation being studied, a high stopping power, good linearity over a wide range of energy, a short rise time for fast timing applications ( e. g., coincidence measurements ), a short decay time to reduce detector dead-time and accommodate high event rates, emission in a spectral range matching the spectral sensitivity of existing PMTs ( although wavelength shifters can sometimes be used ), an index of refraction near that of glass (≈ 1. 5 ) to allow optimum coupling to the PMT window.

Several measurements are made and displayed using these signal components and various DSP processes, such as the ones below

Several independent sources have published measurements showing that Estes model rocket engines often fail to meet their published thrust specifications.

Several types of gravimeters exist for making these measurements, including some that are essentially refined versions of the spring scale described above.

Several such measurements can be made at the same time to different satellites, allowing a continual fix to be generated in real time using an adapted version of trilateration: see GNSS positioning calculation for details.

Several measures exist: DALY, QALY and mortality measurements.

Several experiments have been proposed using electrostatic measurements or electron beams to resolve the issue, but apparently none have been successfully performed to date.

Several measurements are usually performed along the cycle.