Sentences with phrase «which air composition»

The diffusion zone extends from the bottom of the chemical zone to the top of the lock - in zone and is comprised of an openly porous and permeable matrix in which air composition is solely determined by physical processes.

Not exact matches

In order to find out which bacterial species may be present in the air and on the surfaces inside spacecraft and how the composition of the microbiota may change during human habitation, a crew of six male «Marsonauts» lived inside a mock - up spacecraft, located in Moscow, from 3rd June 2010 to 5th November 2011.
Isotopic composition can therefore be used as a proxy for historical air temperatures before the period for which we have instrumental measurements.
The big concern for me in this one would be the sunflower oil, which is a highly processed vegetable oil which, due to its chemical composition, is susceptible to damage from heat, light and air.
If you can not have regular access to measuring your body fat percentage with DEXA scan (dual - energy x-ray absorptiometry) or Bod Pod («an air displacement plethysmograph which uses whole - body densitometry to determine body composition»), skinfold calipers are the next best option.
The series of six, of which the compositions are split vertically in two, assume an air of continuity and as a group they simultaneously command and warm their spaces.
The works on display are: 432Hz (2009 - 2014), a wooden shell that contains honeycombs; Vorkuta (2003), a refrigeration chamber where the temperature of -30 °C contrasts with a chair maintained at a constant +37 °C by an internal thermostat; Mindfall (2004 - 2007), a container which contains a chair and tables, on which 21 electric motors turn on intermittently, one after the other, creating a sort of musical composition; Untitled (2003), a small iron room crossed by blasts of hot and cold air channelled into the space by powerful fans; and Sub (2014), a new work specially created for the exhibition at HangarBicocca, an assembly of aluminium and glass display units which the artist originally designed to exhibit her Inner Disorder (1999 - 2001) series of drawings.
Yet what we both discovered was the two paintings shared striking similarities in the terms of how the images and the compositions were deployed, particularly with the identifiable use of the monumental black triangular, pyramidal, monolithic structures at the center, which undoubtedly referred to the pyramid on the back of the U.S one dollar bill, while the flying images perhaps obliquely evoked Manifest Destiny's Goddess Columbia floating in mid air, the symbol of America — in any case, the two pictures were covered with smoke and fire.
To make his paintings, which range from intimate to grand, Bhavsar sifts powdered pigments onto canvas, allowing air currents and his own breath and body movements to determine where they fall, creating smoky, layered compositions.
Elementos Tierra, Aire, Fuego, and Agua explores the subjects of earth, air, fire, and water in Villarreal's unique style of figurative images and structural compositions which complement and complete each other in this series.
In fact, they are the ones who will be breathing more particulate matter in their air; drinking water contaminated with fracking chemicals the composition of which is considered a «proprietary matter» and thus protected from disclosure; and eating food that is less and less safe — romaine lettuce, anyone?
[6] The cornerstone of this primary productivity is photosynthesis, which has radically altered the composition of early Earth's atmosphere, resulting in air that is 21 % oxygen.
When the ice from a certain layer is crushed — say, a layer known to be 2,000 years old — tiny bubbles of ancient air are released, the composition of which reflects the composition of the atmosphere 2,000 years ago.
ii) The oceans appear to vary in the rate at which they release solar energy back to the air which affects atmospheric composition via humidity, clouds and global albedo.
Next, the methane in this air is combusted to produce carbon dioxide, which is analysed for its carbon isotopic composition — or carbon - 13 to carbon - 12 ratio.
These include the influences of a changing climate, altered air mixing and transport rates, energy exchange, and changes in the composition of the atmosphere (e.g., water vapor, methane, nitrous oxide, aerosols, etc.), all of which can influence stratospheric ozone.
The ice contains tiny air bubbles from the atmosphere in the snow that fell, and by analysing the composition of the air you can get a climate curve, which tells you about both the annual temperature and methane content.
The ice contains minute bubbles of prehistoric air trapped when it was formed, and once a reliable method had been developed by which to isolate and analyse that air (it is done in a vacuum), it was possible to get an idea of the composition of the atmosphere of the past, through ice - ages and interglacials.
The platform has three distinct components, with the hardware at the heart of it consisting of environmental sensors and a data processing board, which can measure and log temperature, humidity, air composition (CO and NO2), sound levels, and light intensity.
Some may «hang around» for varying periods depending on the level of VOC composition, air, and temperature, which is why home owners» «behavior can make a difference,» says Blazovsky.
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