Sentences with phrase «by changes in the composition»

When pressed, the main evidence they point to in support of PM is a study by Doug Harris that shows that New Orleans made significant gains post-Katrina that can not fully be explained by changes in the composition of students in the district.
The implications of the EU antitrust investigation for Samsung's SEP cases in Mannheim were also addressed at the original trial that was held on September 14, 2012 and the retrial on November 23, 2012 (necessitated by a change in the composition of the panel).

Not exact matches

A large share of Italian debt issued under domestic legislation does not have any contract terms and is regulated by an Italian law that gives the Italian Treasury ample latitude to restructure the debt... The composition of Italian public, however, is changing rapidly because in January 2013, Eurozone members started issuing bonds with standardized contract terms.
Watch the generations fly by in this animation showing the changing age composition of the U.S. population.
With funds managers holding about 15 - 20 per cent of assets in domestic bonds, the change in the composition of household assets has translated into higher demand for bonds — a demand which is no longer being met by government issues.
The fall in the number of births to immigrant women is explained by behavior (falling birth rates), rather than population composition (change in the number of women of childbearing age), according to a Pew Research analysis.
Without pretending to be scientific about it, the world may be imagined to be a vast collection of existences — things and substances of various compositions and kinds — each of which is what it is, and moves, changes, grows, or decays as it does by reason of its relation to other things: things existing in various ways by, and in some cases, at the expense of, or on, other things.
The relationship... is seen as one that fluctuates with the changing needs, growth of family members, changes in family composition, and stress and crisis» «Marital Conflict: Its Course and Treatment — As Seen by Caseworkers,» Social Case - work, April, 1966, p. 212).
This sea change in household composition during the past twenty - five years explains why the old maxim «A rising tide lifts all boats» - used so effectively by John F. Kennedy in 1962 - no longer seems to work.
They explained that the decline in some crops could lead to massive global health problems «by changing the composition of diets and, with it, the profile of dietary and weight - related risk factors and associated mortalities.»
Thermal stability was shown in 1992 by the absence of significant changes in peroxide values and fatty acid composition when both forms of flaxseed were heated for 60 minutes at either 100 °C (212 °F) or 350 °C (662 °F).
These dramatic changes are made all the more significant by the ways in which family composition appears to be related to important social, behavioral, and economic characteristics.
By cross-referencing these impacts with data on local elephant populations, forest tree - species composition and structure, nutrient availability, and understory growth in existing Central African forests — both protected and unprotected ones alike — Poulsen and his team determined that up to 96 percent of all forests in the region were susceptible to dramatic changes if elephant populations shrank or disappeared.
Using the Hubble telescope, Jeffrey Linsky and his team at the University of Colorado in Boulder calculated the tail's composition, direction and speed by studying changes in the ultraviolet spectra of the planet's host star as the planet passed in front of it (The Astrophysical Journal, DOI: 10.1088 / 0004 - 637X / 717 / 2/1291).
And by carefully measuring and modeling the resulting changes in atmospheric composition, scientists could improve their estimate of how sensitive Earth's climate is to CO2, said lead author Joyce Penner, a professor of atmospheric science at the University of Michigan whose work focuses on improving global climate models and their ability to model the interplay between clouds and aerosol particles.
This is a particularly useful region because the oxygen isotopic composition of the seawater is largely determined by the flow of water through the Strait of Gibraltar, which in turn is sensitive to changes in global sea level — in a way like the pinching of a hosepipe.
By contrast, in transpiration, plants simply suck water out of the soil and push it into the air without changing its isotopic composition.
This suggests that color - tuning could be achieved in these 2D hybrid perovskites by changing sheet thickness as well as composition via the synthesis of related materials.»
Almost 80 percent of the communities the team examined showed substantial changes in species composition, averaging about 10 percent change per decade — significantly higher than the rate of change predicted by models.
Changes in forest structure and species composition alone decreased water yield by as much as 18 percent in a given year since the 1970s after accounting for climate.»
«This study is one of the first to show that gradual and subtle changes in forest structure and species composition, driven by climate change — as well as invasive insects and pathogens that act on a fraction of tree species within a forest — can also affect water yield.»
Colonization by the human and animal parasite, Giardia, changed the species composition of the mouse microbiome in a way that might be harmful.
Minerals like calcite grow and dissolve in response to changes in the water composition, which can be characterized by its level of acidity (i.e., the pH).
Researchers sponsored by the Nutrition Science Initiative will soon address the question by precisely controlling food consumption by volunteers living in a test facility and then rigorously measuring energy expenditure and how it changes with differences in diet composition.
As regards the fat in the fish fillets, its composition also changed during the frying process, and became enriched by the acyl groups present in a higher concentration in the frying oil than in the fillet (in other words, oleic if extra virgin olive oil was used, or linoleic if sunflower oil was used) and in plant sterols.
The changes in prey were documented by Southwest Fisheries Science Center surveys off the California Coast, which sample the composition of fish species.
After analyzing historical data on benthic community composition in Lake Erie over the last 50 years, the authors conclude that the lake's benthic community has changed significantly, even after taking into account the challenges presented by differences in sampling design, gear and preservation techniques, and taxonomic resolution over the years.
The effect is thought to be mediated by the intestinal microbes, since antibiotics in animal studies has been found to change the composition of the intestinal microbiota and reduce biodiversity.
«It is striking that these changes, found in many human cancers, can be induced in normal mammary epithelial cells simply by varying the stiffness or composition of the matrix surrounding them.»
Everything from being vegetarian to being born by cesarean section can change the composition of our microbiome in meaningful ways, she notes.
The new study, led by the expert Andrea Hevia, researcher at CETEMAS - Asturias, analysed temporary changes in the chemical composition of annual growth tree rings in the Pyrenees, in particular those in subalpine black pine (Pinus uncinata) forests in the national parks in Ordesa and Monte Perdido, and Aigüestortes and Estany de Sant Maurici.
Changes in the composition of magma may have caused variations in the Panama Canal volcanic rock formations, according to a study published May 10, 2017 in the open - access journal PLOS ONE by David Farris from Florida State University, and colleagues.
Rhesus macaques could potentially impact the native plant and animal species in the park in several ways; for example, eating plants needed by other animals, changing the plant composition in the park, or pushing other animals out of the habitat by being aggressive, Anderson said.
«Understanding droplet deformation and spreading during impact can inform the development of better surfaces (by changing the surface properties) or better droplets (by changing the liquid composition),» explains Rogerio Manica from the A * STAR Institute of High Performance Computing in Singapore.
In animal models, maternal diet alters offspring body composition, accompanied by epigenetic changes in metabolic control geneIn animal models, maternal diet alters offspring body composition, accompanied by epigenetic changes in metabolic control genein metabolic control genes.
The change in bacterial composition was accompanied by resolution of the patient's symptoms.
These changes in mitochondria - and calcium - related markers occurred without any changes in the myosin heavy chain isoform composition of these muscles, as assessed by quantitative PCR (qPCR)(data not shown).
In today's digest, check among many interesting articles: the evolution within human microbiome by T.D. Lieberman, unique microbial biodiversity residing in hadal trenches by L.M. Peoples, changes in community composition in coastal water following exposure to oil and oil dispersant by S.H. DoylIn today's digest, check among many interesting articles: the evolution within human microbiome by T.D. Lieberman, unique microbial biodiversity residing in hadal trenches by L.M. Peoples, changes in community composition in coastal water following exposure to oil and oil dispersant by S.H. Doylin hadal trenches by L.M. Peoples, changes in community composition in coastal water following exposure to oil and oil dispersant by S.H. Doylin community composition in coastal water following exposure to oil and oil dispersant by S.H. Doylin coastal water following exposure to oil and oil dispersant by S.H. Doyle.
We found significant differences in overall cellular composition between pre - and post-mortem blood samples (p < 0.001), the most notable changes induced by death being an increase in resting NK cells and CD8 T - cells, and a substantial reduction in neutrophils (Fig. 7a).
The transcriptional changes detected above may partially be related to changes in the cellular composition of blood triggered by death.
The projects aims to give us further knowledge in areas as diverse as coral reefs ecosystem, the dietary composition in wildlife and domestic animals over the last 50 000 years, the effects of antibiotic exposure on microbial ecosystems, and changes in biodiversity that might have an effect on or are affected by climate change.
This work will begin by trying to elucidate the simplest means to construct a responsive synthetic membrane capable of adjusting its composition to maintain robustness in response to environmental changes (e.g. temperature and pH).
For example, changes in Earth's atmospheric composition (especially the concentrations of greenhouse gases) may alter the climate, while climate change itself can change the atmospheric composition (for example by changing the rate at which weathering removes CO2).
When water used as a coolant is returned to the natural environment at a higher temperature, the change in temperature impacts organisms by (a) decreasing oxygen supply, and (b) affecting ecosystem composition.
The changes in average cranial capacity from Morton's seed - based measurements to shot - based measurements can not be reconstructed with any certainty, incorporate erroneous seed measurements made by Morton's assistant, yielded a broad range of changes (− 10 to +12 in3) hidden by Gould's mean, and are confounded by the shifts in sample composition (circa 50 %) between the two rounds of measurement.
It is possible to reconstruct past precipitation changes by measuring the stable hydrogen isotopic composition in terrestrial plant waxes because rainfall is the primary source of hydrogen stored in plant material.
A study conducted by researchers of Harvard University, which monitored the dietary habits and changes in body composition of more than 130.000 subjects for more than twenty years have brought to attention that increasing the intake non-starchy vegetables with lower glycemic - index (cauliflower, broccoli, Brussels sprouts, and kale) is connected with lower weight gain.
Second, one can continue to experience positive changes in their body composition by following basic circuit training principles.
Thermal stability was shown in 1992 by the absence of significant changes in peroxide values and fatty acid composition when both forms of flaxseed were heated for 60 minutes at either 100 °C (212 °F) or 350 °C (662 °F)»
How exercise changes skin composition is not completely clear, but in a separate portion of the study, the researchers checked for alterations in the levels of certain substances created by working muscles.
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