Sentences with phrase «definitive study on»

The definitive study on the global warming impact of plug - in hybrid electric vehicles (PHEVs) is out.

The more definitive study on effects is by Balmaseda et al in QJRMS last year.

Nature Journal of Science, ranked as the world's most cited scientific periodical, has just published the definitive study on Global Warming that proves the dominant controller of temperatures in the Earth's atmosphere is due to galactic cosmic rays and the sun, rather than by man.

A black - and - white photograph of the «lost» painting from the 1992 definitive study on Magritte — the catalogue raisonné — listed it as «probably destroyed».

But so far there's been no detailed, definitive study on this topic.

Finally, in the Summer of 1992, the prestigious «Journal of Portfolio Management» published a definitive study on market timing.

There are no definitive studies on prevalence rates of PTSD in younger children in the general population.

Not exact matches

Vimy Resources has appointed GR Engineering Services as study manager for a definitive feasibility study on its Mulga Rock uranium project near Kalgoorlie.

A definitive feasibility study on potash explorer Danakali's Colluli project in Africa has found a 30 per cent reduction in development costs to $ US298 million ($ A415 million).

It is hard to be definitive on this, but you are educated because you saw a study that someone did and lead them to believe something?

As a result of this definitive study one can see the growth of New England distrust of bishops to a fear of a Crown and Parliament bent on imposing an abominable system to an ideology of opposition.

As far as I know, no definitive study has been done on this subject.

Colon cancer test Non-invasive, virtual colonoscopies — which involve a CT scan of the lower body — are as effective as standard colonoscopies at detecting large and medium - size polyps that can lead to colon cancer, according to the largest and most definitive study to date on the controversial technology.

The agenda was set by the situation in Gaza and consequent thoughts on Israel and Palestine as the definitive case study for East - West dialogue and lack of understanding.

Recognition remains a legal and an international obligations issue that we're still studying, and we have not made a definitive determination on that question.

But those studies never turned up anything definitive, and nobody thought to look at the actual processing going on in the brain.

Japan's experience tracking A-bomb survivors, an early start gathering data on environmental exposures in Fukushima, and a family registry system that tracks virtually all individuals all offer «great advantages» in devising more definitive low - dose studies, says Preston, who believes such a study would be well worth the cost.

«This study adds to our understanding of oats in celiac disease, and sets the scene for definitive evaluation on what can be safely consumed by people with celiac disease.»

While more studies are needed for a definitive proof, it appears as if vegetable - based meals — particularly those based on beans and peas — both can serve as a long term basis for weight loss and as a sustainable eating habit,» concludes Professor Raben.

«Our review of the literature showed several positive trial results, but we also found important research limitations in the studies, indicating a need for higher quality, more definitive trials on antidepressant use for postsurgical pain.»

The small number of patients and the lack of controls means that the study is not definitive, but it casts significant doubt on the effectiveness of the hormone in children who make normal levels of growth hormone, he says.

Through his industrious efforts, Darwin built a reputation as a capable scientist, publishing works on geology as well as studies of coral reefs and barnacles still considered definitive today.

The study, published today in the Journal of Clinical Oncology, is the first to show lenvatinib has a definitive impact on overall survival (OS).

However, a new study reports the first definitive molecular evidence that certain bacteria, found in the guts of a common pantry pest, can thrive on polyethylene and break it apart (Environ.

«When we embarked on this study, early clinical trials and laboratory studies supported the possibility (or hypothesis) that earlier therapy in appropriate patients with docetaxel, used in combination before hormonal resistance occurred, could have greater benefit, but required proof in a definitive study.

«There have been some studies on how critical conjugation is to maintaining resistance despite its cost, but there has been a lack of careful and well - defined experiments to come to definitive conclusions,» said You.

The data set resulting from studying this part of the bears» genomes seems to be insufficient to make any definitive decisions as to what are the existing relationships on the basis of it alone.

While this current study builds on that research, there are no definitive conclusions as to why or how the iron sulfates became chemically bonded to water molecules.

It is based on the definitive books of mouse embryonic development by Theiler (1989) and Kaufman (1992) yet extends these studies by creating a series of three dimensional computer models of mouse embryos at successive stages of development with defined anatomical domains linked by a stage - by - stage ontology of anatomical names.

al. (1990:349), also contend that the integrity of the deepest occupation surfaces is supported by a definitive separation of superimposed living floors on both qualitative and quantitative geological, geochemical, and sedimentalogical grounds, by lithic refitting and by raw material studies.

The latest study relies on only a few bones, so it does not provide definitive proof that small pterosaur species existed alongside the larger ones, says Alexander Kellner, a palaeontologist at the National Museum of Brazil in Rio de Janeiro.

These same procyanidins may also help improve the appearance of skin and reduce wrinkles, though the studies aren't as definitive on this.

There aren't any definitive studies to show that a specific diet will have an impact on eczema, Dr. Fenton says.

27 Studies cited by the 2010 DGAC Report demonstrate varied metabolic responses to lowered dietary saturated fat, with certain subpopulations exhibiting adverse rather than improved health outcomes.3 Two recent comprehensive meta - analyses indicate that saturated fat is not linked to heart disease.28, 29 In fact, in a definitive review of forty - eight clinical trials, with over sixty - five thousand participants, the reduction or modification of dietary fat had no effect on mortality, cardiovascular mortality, heart attacks, stroke, cancer, or diabetes.30 Yet, avoiding saturated fat remains a cornerstone of national dietary guidance.

The samples of adults on the two atolls are, however, too small for definitive studies of coronary heart disease and vascular disease.»

«There is no definitive scientific evidence based on studies in humans to support the use of acai berry for any health - related purpose.

According to Lise Alschuler, author of the Definitive Guide To Cancer: An Integrative Approach to Prevention, Treatment, and Healing, studies on flax lignans demonstrate safety and efficacy in their use against breast cancer, «inhibiting the growth of human estrogen - dependent breast cancer cells in mice and strengthening the tumor - inhibitory effect of tamoxifen».

The researchers cautioned that they do not consider their findings the definitive word on the subject, but said the higher heart attack risk they saw merits further study.

The most recent and definitive study was conducted by the Center for Research on Education Outcomes (CREDO) at Stanford University in 2015.

Paul Hill and Tom Loveless, both senior scholars at the Brookings Institution, recently acquired a million - dollar grant from the Bill and Melinda Gates Foundation to assemble a panel of experts on school choice, with the goal of writing the definitive statement on what we know and what requires additional study.

Therefore, making definitive claims about the outcomes of such programs remains a challenging task.83 Some studies find no link between financial incentives for student achievement and higher test scores, while others see higher achievement for students in systems with performance bonuses.84 A large - scale 2014 study on TIF presented findings on early implementation from 153 districts.

That latter point is debatable, and the answer may vary by region and other factors (we might be one definitive medical study away from all deciding that light - emitting screens are or are not materially harmful to vision), but on the whole I think dedicated eReader & E Ink obsolescence is probable in the near future.

Her 1993 Anime: A Beginner's Guide to Japanese Animation was one of the first English - language books on the subject, while the study of Hayao Miyazaki's work that she authored in 1999 is considered the definitive work on the Oscar - winning director.

Although veterinarians don't yet have a definitive answer, at least based on clinical research studies, as to whether or not pets can become depressed, some do believe that depression can, indeed, occur in animals.

As he goes on to note, «Until data are available from well - designed studies representing various regions and rural / urban situations in Canada, it will be difficult to be much more definitive.

Hugh Belsey, a world authority on Gainsborough, said that the painting will be among works that he will list as «rejected» in his catalogue raisonné, a definitive study of the artist's portraits, to be published by Yale University Press next year.

However, based on this study, which is arguably the most definitive for the timebeing, positive tropical Atlantic SSTs associated with a THC - driven AMO should be contemporaneous with positive anomalies in the THC.

I suspect Compo may have been taken a tad out of context, as in intending to say something like this is new stuff we're working on, I looked for something and didn't find it, rather than the definitive spin WSJ put on it, that this is a conclusive study that shows nothing is happening.

There is some very limited information on possible changes in the frequency and intensity of tropical cyclones (Bengtsson et al., 1996; Henderson - Sellers et al., 1998; Krishnamurti et al., 1998; Knutson and Tuleya, 1999; Walsh and Ryan, 2000); and of mid-latitude cyclones (Schubert et al., 1998), but these studies are far from definitive (see Chapter 9, Section 9.3.6, and Chapter 10 for discussion on changes of extremes with changes in climate).

«We do not intend for you to accept what we've reported on today as the definitive scientific study in regards to this question.