On the other hand, people who considered themselves to be prestigious talked in a measured way, not increasing or decreasing the volume of their voice very much.
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"Older individuals have less total body water thereby decreasing the volume in which substances, such as alcohol, can circulate," says Stephanie Yarnell, a fellow at the Yale School of Medicine.
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Also, winemakers have been using technological advances, such as reverse osmosis to remove water from the unfermented grape juice, thereby increasing its sugar concentration, but decreasing the volume of wine produced.
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A vacuum pump is used to remove the air out of a vacuum vessel for low-pressure experiments. High-pressures can be created with a piston-cylinder apparatus, up to () and . The piston is shifted with hydraulics, decreasing the volume inside the confining cylinder and increasing the pressure. For higher pressures, up to , a multi-anvilcaltech.
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However, these electron acceptor materials very weakly absorb visible light, decreasing the volume fraction occupied by the strongly absorbing electron donor material. Furthermore, fullerenes have poor electronic tunability, resulting in restrictions placed on the development of conjugated systems with more appealing electronic structures for higher voltages. Recent research has been done on trying to replace these fullerenes with organic molecules that can be electronically tuned and contribute to light absorption.
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During heavy breathing as in exertion, a large number of accessory muscles in the neck and abdomen are recruited, that during exhalation pull the ribcage down, decreasing the volume of the thoracic cavity. The FRC is now decreased, but since the lungs cannot be emptied completely there is still about a litre of residual air left. Lung function testing is carried out to evaluate lung volumes and capacities.
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Relaxing the diaphragm has the opposite effect, decreasing the volume of the lung cavity, causing air to be pushed out of the lungs. During exercise, the abdominal wall contracts, increasing pressure on the diaphragm, which forces air out quicker and more forcefully. The rib cage is able to expand and contract the chest cavity through the action of other respiratory muscles. Consequently, air is sucked into or expelled out of the lungs, always moving down its pressure gradient.
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Traditionally, stormwater management using detention basins served a single purpose. However, optimized real-time control lets this infrastructure double as a source of rainwater harvesting without compromising the existing detention capacity. This has been used in the EPA headquarters to evacuate stored water prior to storm events, thus reducing wet weather flow while ensuring water availability for later reuse. This has the benefit of increasing water quality released and decreasing the volume of water released during combined sewer overflow events.
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Birds also do not have diaphragms or pleural cavities. Bird lungs are smaller than those in mammals of comparable size, but the air sacs account for 15% of the total body volume, compared to the 7% devoted to the alveoli which act as the bellows in mammals. Inhalation and exhalation are brought about by alternately increasing and decreasing the volume of the entire thoraco-abdominal cavity (or coelom) using both their abdominal and costal muscles. During inhalation the muscles attached to the vertebral ribs (Fig.
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Briquetted paper has many notable benefits, many of which minimize the impact of the paper waste generated by a shredding system. Several manufactures claim up to 90% volume reduction of briquetted paper waste versus traditional shredding. Decreasing the volume of shredded waste allows it to be transported and stored more efficiently, reducing the cost and fuel required in the disposal process. In addition to the cost savings associated with reducing the volume of waste, paper briquettes are more useful in paper mills to create recycled paper than uncompressed shredded material.
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In addition, the acoustic guitar has a hollow body, and an additional coupling and resonance effect increases the efficiency of energy transmission in lower frequencies. The air in a guitar's cavity resonates with the vibrational modes of the string and soundboard. At low frequencies, which depend on the size of the box, the chamber acts like a Helmholtz resonator, increasing or decreasing the volume of the sound again depending on whether the air in the box moves in phase or out of phase with the strings. When in phase, the sound increases by about 3 decibels.
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The center showcases a variety of environmentally-friendly technologies that provide opportunities to learn how construction and operations can be sensitive to the surrounding environment. The nearly facility is certified by the U.S. Green Building Council as LEED Silver. The center utilizes a closed-loop geothermal heating and cooling system and also has a living/green roof, composed of of soil substrate and native plants of the park. The roof absorbs and filters approximately of water annually, and during rain events slowly releases the water into adjacent biodetention areas over the course of hours and days, thus decreasing the volume of water that contributes to flash-flooding of the nearby streams.
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ATAC System: The Honda Automatic Torque Amplification Chamber system works by effectively increasing or decreasing the volume of the exhaust system with a small butterfly valve located just before the exhaust connection. At low RPM a centrifugal crankshaft driven gear opens the valve into a small chamber and increases the volume of the exhaust by allowing the exhaust gases to flow through the chamber. At high RPM the ATAC valve is closed and the exhaust simply exits into the expansion chamber. A larger expansion chamber allows for more power at lower RPMs because of the extra time needed for the impulse to "bounce" back for the supercharger effect.
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Between Dorking and Leatherhead the Mole cuts a steep-sided valley (the Mole Gap) though the North Downs, carving a river cliff on the western flank of Box Hill and a smaller cliff at Ham Bank in Norbury Park. The sudden change from impermeable Weald Clay to permeable chalk and the increased gradientThe Mole descends in the stretch between Brockham and Leatherhead, compared to in between Horley and Brockham. of the river, allow the water table to drop below the bed of the river. Water is therefore able to flow out of the river through swallow holes in the bed and banks, decreasing the volume of water carried in the main channel.
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Once the flow has stopped, the booster is started, and as the piston withdraws along the cylinder, increasing the volume between the cylinder head and the piston crown, the pressure in the cylinder will drop, and gas will flow in from the inlet port. On the return cycle, the piston moves toward the cylinder head, decreasing the volume of the space and compressing the gas until the pressure is sufficient to overcome the pressure in the outlet line and the opening pressure of the outlet valve. At that point, the gas will flow out of the cylinder via the outlet valve and port. There will always be some compressed gas remaining in the cylinder and cylinder head spaces at the top of the stroke.
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