Sentences with phrase «theoretical model predicts»

Excoffier and his colleagues developed theoretical models predicting that if modern humans migrated as small bands, then the populations that broke off from their original African family should progressively accumulate slightly harmful mutations — a mutation load.
Theoretical models predicted that the supernova should leave behind a neutron star (an ultradense stellar residue), but so far there is no sign of it.
He did not expect to find any massive galaxies earlier than about 9 billion years ago because theoretical models predict that such large objects form last.
Theoretical models predict that migration occurs either early in the lives of giant planets while still embedded within the protoplanetary disk, or else much later, once multiple planets are formed and interact, flinging some of them into the immediate vicinity of their star.
Major theoretical models predict either a parallel line structure, or a checkerboard pattern.
The data collected by Spitzer and other telescopes reveal the exoplanets» sizes and distances to their stars, while theoretical models predict additional information about the planets» atmospheres and surfaces.
At rooflite, our soil systems have optimized properties for both water management and plant health, which always leads to significantly better stormwater retention results than what current theoretical models predict.
«What we saw was exactly what the theoretical model predicted,» says Weis.
Theoretical models predict that parenting strategies should be aimed at parents of inhibited children, however empirical evidence has yet to fully support this notion and would suggest that all parents should be taught to use strategies to increase a child's autonomy (rather than overprotective strategies).
Hence, the primary aim of the present study was to examine how well the proposed theoretical model predicted APP in young adulthood, in a large, community - based sample assessed in early childhood, adolescence, and emerging adulthood.

Not exact matches

To address those questions, Yarin and his colleagues built a theoretical model to predict the pattern made by blood spraying outward from a gunshot wound as it splashes on the floor.
Wong and Amir answered this question with a theoretical model which quantitatively predicted both how the bacteria would grow to recover its straight shape and how long it would take.
The theoretical model is consistent with the data, the scientists note, and also correctly predicts the lifetime of each layer, giving rise to a step-wise release of inner droplets.
«That's a big problem for the theoretical models of dark energy which predicted a considerably higher amount of energy for the early universe,» adds Dr. Matteo Martinelli, postdoc at the ITP.
Economists at North Carolina State University and Indiana University have found that the most widely used model for predicting how U.S. government spending affects gross domestic product (GDP) can be rigged using theoretical assumptions to control forecasts of how government spending will stimulate the economy.
«There has been a long - standing problem with the masses of cepheids — they usually turn out to be less massive than theoretical models of stellar evolution had predicted.
Theoretical models of galaxy evolution predict that present - day galaxies more massive than the Milky Way should be bursting with star formation, but that is not the case.
«Our measurements of the bright spot suggest there are powerful shock waves in the star's atmosphere that reach higher temperatures than are predicted by current theoretical models for AGB stars,» says Theo Khouri, astronomer at Chalmers and member of the team.
Advanced x-ray and spectroscopic tools confirmed the crystalline structure the team had created under these conditions, and theoretical model - based calculations allowed them to predict the thermodynamic nature and physical properties of Ti3N4.
The idea is to use our theoretical model of the multiverse to predict the constants of nature that we can expect to measure in our local region.
Existing theoretical models of consciousness would predict that deep convolutional networks are not conscious.
This remarkable behavior of nearly frictionless motion was predicted by a theoretical model and has now been verified for molecules on a gold surface.
When experimentalists at RHIC finally crunched through all their data, they confirmed that the quark - gluon fluid indeed had a low viscosity, at or near the theoretical minimum value predicted by the five - dimensional black - hole model.
Based on the theoretical models, they predicted experimentally observable parameters of the reaction, such as the rate of hydrogen peroxide decomposition.
«If theoretical concepts, membrane models, and cell experiments move closer together and encourage a common language, we will also improve our ability to predict whether the materials we design will achieve their intended purpose.»
It's already clear that the result rules out many theoretical models of inflation — most of them, in fact — because they predict a signal much weaker than the one detected.
There are several ways to produce them, as predicted by the theoretical framework known as the Standard Model, and the most common one was the first one discovered: a collision in which the strong nuclear force creates a pair consisting of a top quark and its antimatter cousin, the anti-top quark.
Such a particle would be «much more thrilling than the Higgs boson», says Christoffer Petersson, a theoretical physicist at Chalmers University of Technology in Gothenburg, Sweden — the Higgs was already predicted by the standard model of particle physics when it was discovered in 2012.
The theoretical work, led by Fabris, allowed the researchers to develop a «system model» on the computer able predict the behaviour of the material.
A theoretical model (left) quantitatively predicts how E. coli (right) grown in confined, micro-chambers recover their straight, rod - like morphologies overtime.
A comparison of its luminosity to the values predicted by theoretical evolutionary models suggests that the substellar object has a mass of 0.051 + / - 0.014 Solar - masses, or around 50 times Jupiter's mass in a range between 22 and 57 Jupiter - masses (Luhman et al, 2006; and Mugrauer et al 2006).
Consequently, in the past 20 years his research has evolved from an early focus on prioritizing the effects that humans have on coral reefs and the role that marine protected areas play in conserving biological diversity and ecological processes, to developing theoretical and simulation models of coral reefs that will help predict and suggest alternatives to reduce detrimental effects, to developing practical means to restore degraded reefs through manipulation of the food web and management.
«This is an interesting theoretical paper using mathematical modelling to predict the possible effects of influenza vaccines that have not yet been developed on the circulation and evolution of flu viruses.
The authors show that the inclusion of these effects in the theoretical model significantly changes the predicted shape of the galaxy velocity function.
Theoretical models also predict how black holes with their disks and jets look like in polarized light.
The researchers found that the dusty disks around some protostars, as young stars are called, are even bigger than theoretical models have predicted.
«This theoretical paper by Subramanian and others uses a mathematical model to predict the effect of future influenza vaccination, using either a strain - specific or cross-reactive (or «universal») vaccine, which currently does not exist.
They can now use the theoretical model to make atomic level tweaks and predict the catalyst's behavior.
If dark matter interacts very weakly with more familiar particles, as predicted by leading models, «then it is quite likely that strings will form in it,» says theoretical astrophysicist Alex Vilenkin at Tufts University in Medford, Massachusetts.
Some theoretical models have predicted that dark galaxies were common in the early universe when galaxies had more difficulty forming stars — partly because their density of gas was not sufficient to form stars — and only later did galaxies begin to ignite stars, becoming like the galaxies we see today.
Traditionally, weather models have used theoretical principles from meteorology to build top - down models to predict what will happen in the future (e.g., when storms will happen and their severity).
Gonzalez - Torres himself had formulated a brilliant theoretical approach to the circulation of images, objects, and ideas, based on a model of virality, that incisively responded to the horrors of the AIDS crisis while accurately predicting the terms of our current cultural epoch.
They define the probability of development of these vorticies into TCs through a «genesis» model that conditions the favorability of development on various characteristics of the background climate state, and they use a theoretical model to predict TC intensities.
Some models predict a significant die - back in Amazonia (Cox et al, Theoretical and Applied Climatology, 2004), which could easily outweigh gains in the Arctic.
These results, while confirming that anthropogenic - added climate forcing might have progressively played a dominant role in climate change during the last century, also suggested that the solar impact on climate change during the same period is signficantly stronger than what some theoretical models have predicted
Nature Geosci 1 (6), 399 - 403, http://dx.doi.org/10.1038/ngeo208 note «Climate models and theoretical expectations have predicted that the upper troposphere should be warming faster than the surface.
Both theory and models predict the SIE in the Antarctic to decrease.That both CMIP5 and PMIP3 (paleo) fail to capture both observations (The spreads are in the Mkm ^ 2) and theoretical expectations suggest that systemic bias in the models.
With respect to hurricane intensity, there are observed trends indicating this and model results predicting this, and while there are problems in each (data problems with hurricanes, coarse resolution in global models, etc.), theoretical arguments also make clear that there will be more energy and water vapor available in the atmosphere to cause more intense hurricanes, so a very strong case can be made for this happening.
The third uses climate models to predict the theoretical effect of a doubling of carbon dioxide based on scientists» understanding of how different elements of the climate system interact.
«Climate models and theoretical expectations have predicted that the upper troposphere should be warming faster than the surface.
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