Sentences with phrase «of ambient air»

Above: Climeworks has developed a machine that separates carbon dioxide out of ambient air; Audi then uses this pure carbon dioxide to make transportation fuels.
The time taken for air to be exchanged from the outside environment to within the screen provides a further time integration for the measurement of the ambient air temperature.
This argues that removal of the heat source, solar radiation (insolation) results, almost instantly in a reduction of ambient air temperature.
Dissolved CO2 and CH4 concentrations in surface waters were obtained by equilibrating 2 L of water with 20 mL of ambient air for 3 minutes.
This is also consistent with the bonchardi mechanism mode, which fairly consistently indicates we can expect a reversal of ambient air temperature increase with the next day, as the dual modality of reverse recapture recombination functions as an equalizer, and the increase in low level re radiation acts as a «heat shield» keeping more air from reaching and warming the ground, allowing ice to reformulate, while most of the temporary heat, which will largely be offset by the Atlantic shift paradigm anyway, given the lower absolute percentage of (so called?)
Gan W, Fitzgerald JM, Carlsten C, Sadatsafavi M, Brauer M. Associations of ambient air pollution with chronic obstructive pulmonary disease hospitalization and mortality.
[The snow deposition] chamber consists of a 100m x 100m x 100m cubical volume on four support pillars with reversible air intake and exhaust fans for the refrigeration process of the ambient air.
(Other clouds matter radiatively, but don't actually participate in moist or kinetic energy exchanges, nor mass transport except as part of the ambient air mass.)
The main sources of ambient air pollution are motor vehicles and coal burning.
On the other hand, so long as the land management agency is trying to suppress a wildfire, the pollution impacts from those wildfires can be excluded from the measurements of ambient air quality that are used to determine whether places such as the Central Valley are in compliance with the Clean Air Act
The front fenders have been significantly widened, to accommodate the large 21 - inch ADV. 1 wheels with Pirelli P - Zero tires, and the specially designed front fascia and hood are masterfully crafted works of functionality that provide the supercharged engine with a vital supply of ambient air.
Not exactly sure what explains the variation, but I think it's a combination of ambient air temp and average RPMs.
«At levels that the EPA considers to be generally safe, we found an important effect of ambient air particles, which is one of many pollutants in the air, but an important one,» says study coauthor Gregory A. Wellenius, Sc.D., an assistant professor of community health at Brown University Medical School, in Providence, R.I. Wellenius collaborated with researchers at Beth Israel Deaconess Medical Center and the Harvard School of Public Health, both in Boston.
Much of her work has examined this environmental justice question in the context of ambient air pollution and indoor chemical exposures, prenatal exposures and effects on birth outcomes and children's health, often using community - based participatory research approaches for data collection and risk communication.
The bright clouds form when the flow of ambient air is perturbed and diverted upward over the dark vortex, causing gases to likely freeze into methane ice crystals.
And she goes on to say that even though the size of the effect seems relatively small, the ubiquitous nature of ambient air pollution exposure suggests that exposure to it might have considerable impact on stillbirth risk at the population level.
Cota immediately signed up for the study and learned how to use a particle counter, which measures particulates and toxins in the air, to take samples of ambient air quality surrounding her home.
McCoy and Zhao's research findings have been detailed in their article «Wildfire and Infant Health: A Geo - Spatial Approach to Estimating the Health Impacts of Ambient Air Pollution and In - Utero Stress,» currently under review by a top industry journal.
Wildfire smoke is similar to other sources of ambient air pollution; its particulate matter can be so small that it passes through the heart and lungs, disrupts fetal nutrition, and slows fetal growth.

Not exact matches

But it's also superior in terms of standardization and reproducibility, with the environment engineered to control for and measure a host of variables, from ambient air temperature to the length of rubber tubing, that often get overlooked.
He soon learned that air pollution is the world's single largest environmental health risk — and that in 2012, nearly 14 percent of deaths worldwide were attributed to household or ambient air pollution.
There are many different types of changes in an ambient environment — some very fast like electromagnetic waves, some very slow like the accumulation of pollutants in the air, and some with rapid onsets and offsets but long durations like rainfall.
Then there is the concern of oil contamination in ambient air.
Using innovative coffee roast laser analysis technology, ColorTrack offers precision and repeatability of color to.01 points, with automatic adjustment for constantly changing ambient air temperature and humidity.
Ambient Water, a leading provider of atmospheric water generation systems for extracting water from humidity in the air, today announced that Ballast Point Brewing Co. has completed its first two batches of beer made with water produced from Ambient's atmospheric water generation systems.
San Diego, CA — Ambient Water (otc pink: AWGI), a leading provider of atmospheric water generation systems for extracting water from humidity in the air, today announced that Ballast Point Brewing Co. has completed its first two batches of beer made with water produced from Ambient's atmospheric water generation systems.
Standard RBD coconut oil remains solid up to 76 degrees F., and the ambient air temperature is higher than that in the tropics most of the time.
The accompanying ambient beer cooler uses outdoor air to cool your cellar at a fraction of the cost.
If the exercise work rate is free to vary, then experimental interventions such as changes in ambient temperature, oxygen content of the inspired air, energy substrate availability or the provision of incorrect distance feedback all alter the power output (pacing strategy), whereas the rate of increase in RPE has been found to be similar between conditions.13 20 21 24 — 26
Rep. Faso Vote Record Tracking Rep. Faso in the Age of Trump fivethirtyeight.com Ozone Standards Implementation — Vote Passed (229 - 199, 5 Not Voting) The House passed the bill that would extend for eight years the deadline for the EPA to implement new National Ambient Air Quality Standards for ground - level ozone.
The bill would require the EPA to review the national ambient air quality standards for each pollutant every ten years, instead of every five, and would require the agency to evaluate possible adverse effects of standard changes.
The paper states: «Even though the ambient air in the city of Jena is comparably clean, the significant association between rapid changes in nitrogen oxides and onset of myocardial infarction (MI) suggests that the current EU statutory limits do not sufficiently protect against effects relating to the cardiovascular health of the population.
The levels of dioxin measured in the air near the smoldering pile «were the highest ambient measurements of dioxin ever recorded anywhere in the world,» levels at least 100 times higher than those found downwind of a garbage incinerator, according to an analysis published by EPA scientists [pdf] in 2007.
At night the chamber is opened, allowing ambient air to diffuse through the porous MOF and water molecules to stick to its interior surfaces, gathering in groups of eight to form tiny cubic droplets.
Instead, Papamoschou's idea is to create a cone of hot air that moves more slowly than the exhaust, but faster than the ambient air — and thus acts as a buffer between the two.
Called AmazonFACE (Free - Air Carbon dioxide Enrichment), it's based on a simple idea: For 12 years, researchers will spray pure CO2 into instrumented plots in the rainforest northwest of Manaus, Brazil, raising ambient concentrations to 600 parts per million — a level the world could reach as early as 2050 — all the while taking meticulous measurements to determine how the gas affects the growth of plants.
«This is the first successful use of oxygen in the air to oxidize methane under ambient conditions,» Ohkubo says.
The authors conclude that ambient air pollution is a key modifiable risk for millions of people across the globe, including millions of Americans who are exposed to harmful particulate pollution levels.
Data on daily average temperature, death rates, and confounding variables (eg, humidity and air pollution) were used to calculate the temperature of minimum mortality (the optimal temperature), and to quantify total deaths due to non-optimal ambient temperature in each location.
«The whole atmosphere is kind of being dragged by the planet as the planet rotates, so all this air has some ambient angular momentum,» O'Neill explains.
A new study of 60 million Americans — about 97 % of people age 65 and older in the United States — shows that long - term exposure to airborne fine particulate matter (PM2.5) and ozone increases the risk of premature death, even when that exposure is at levels below the National Ambient Air Quality Standards (NAAQS) currently established by the U.S. Environmental Protection Agency.
The irony is that this electrical energy is already potentially available at the top of the power station chimney, because on release one «solution» of greenhouse gas — in the stack's emissions — mixes with a different - strength solution — in the ambient air — all the time.
Ambient levels of air pollution are known to be associated with a wide range of adverse health effects that particularly affect the respiratory and cardiovascular systems.
The deal sets different baselines and timelines for developed countries and for two distinct groups of developing nations, including a group of more than 100 nations led by China that has committed to move quickly toward more climate - friendly alternative coolants and a more cautious group of high - ambient - air - temperature countries that has insisted on more time.
Philips's line of Fortimo powerful LED lights relies on active cooling because these lights are typically installed in a ceiling, which means there is very little available air space to provide ambient cooling, he adds.
«The humidity around a fingertip is slightly higher than the overall level of moisture in the ambient air,» explains Katalin Szendrei, a member of Prof. Lotsch's research group.
The EPA eventually ruled that the emissions from this power plant alone caused the violations of the SO2 national ambient air quality standards in the downwind state, New Jersey.
«For reference, the EPA's National Ambient Air Quality Standard for fine aerosol is an annual average of 12 μg / m3.
Their paper, «The Effects of Urban Form on Ambient Air Pollution and Public Health Risk: A Case Study in Raleigh, North Carolina,» was recently posted electronically in the journal Risk Analysis, published by the Society for Risk Analysis.
Muller and his co-author, Akshaya Jha from the Heinz College of Information Systems and Public Policy, used annual data provided by the Environmental Protection Agency (EPA) to determine whether a county within the United States was compliant with the National Ambient Air Quality Standards (NAAQS)-- air pollution standards established by the Clean Air Act Amendment of 19Air Quality Standards (NAAQS)-- air pollution standards established by the Clean Air Act Amendment of 19air pollution standards established by the Clean Air Act Amendment of 19Air Act Amendment of 1990.
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