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From warriors to guardians: The Assyrians and their role in the history of medicine
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VIGNETTES IN MEDICAL HISTORY
HO, ASSYRIAN! The rod of my anger, and the staff in their hand is my indignation (Isaiah 10:5). Their arrows are sharp and their bows are bent, their horses' hoofs shall be counted like flint, and their wheels like a whirlwind (Isaiah 5:28).1 Those were the Assyrians as pictured in the Old Scripture! With their having ruled the entire Middle East for many centuries Assyrians had excelled not only in war but also in peace. Many of their discoveries and inventions are still alive today, speaking for one of the greatest civilizations ever known. And the pride of ...
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Compressed-air systems: eliminating the confusion; understanding the differences between ACFM, ICFM, FAD and CAGI-SCFM for improved system design and equipment selection. (Part 2 of 2).(actual cubic feet per minute)(inlet cubic feet per minute)(free-air delivery)(Compressed Air & Gas Institute standard cubic feet per minute)
Magazine article from: Heating/Piping/Air Conditioning Engineering
; ...per minute), FAD (free-air delivery), and CAGI-SCFM (Compressed Air & Gas Institute...of oil released into the compressed air. This oil exists as vaporized...amount released into the compressed air after the air/oil separator...
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Compressed air: it's what's for dinner; Pneumatic systems in the food processing industry should be among the cleanest you can find -- but they often aren't. (Food Processing).
Magazine article from: Hydraulics & Pneumatics
; ...made possible by compressed air. You might think...concerning compressed air in the industry...Page 212 reads, "Compressed air or other gases...Practices for Supplying Air Under Pressure in...604-04 addresses compressed air in seven sections...
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Compressed Air Support on Hydroshields.
Magazine article from: World Tunnelling
; ...has to be replaced with compressed air. The operating condition under compressed air is a standard operating...consumption of compressed air is low because it only displaces...the low permeability, the compressed air cannot flow away to...
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Compressed air cost saving -- whose responsibility?
Magazine article from: British Plastics & Rubber
; THE generation of compressed air is estimated to account for more...Significant energy savings are possible in compressed air systems -- case studies show...controllers can be very cost effective in compressed air installations with variable load...
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Keeping dried compressed air dry. (Technology: Compressed Air/Maintenance).
Magazine article from: Plant Engineering
; Key Concepts * Compressed air exiting a dryer aggressively seeks...Pinhole leaks allow moisture to enter compressed air systems * Use moisture removal...Ever wonder why there is moisture in compressed air lines even though a dryer is...
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Improving compressed air systems.(P2 Sustainability)
Magazine article from: Pollution Engineering
; ...common energy needs is for compressed air, accounting for some...of different uses for compressed air. Clearly, different...improving their compressed air systems. Here's a...project that improved the compressed air system at its Tehachapi...
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Is your compressed air system all wet?
Magazine article from: Plant Engineering
; Is your compressed air all wet? If you answered yes...liquid or vapor, is present in compressed air as it exits the system...Water vapor removal Specify air dryers to remove water vapor from compressed air. There are three styles...
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Quantifying waste: compressed air is a flexible, reliable and safe source of power across business. However these advantages come at a price in terms of electricity consumption and consequent carbon emissions, especially as a result of avoidable waste. Marion Beaver looks at the main sources of avoidable waste and how to quantify how much waste is costing you.(INSIGHT)
Magazine article from: Plant & Works Engineering
; Air is free--until it's compressed. At that point, it...to produce one unit of compressed air. As a rule of thumb...A study "Compressed air systems in the European...your costs The cost of compressed air is often underestimated...
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Designing your compressed air system. (includes related articles)
Magazine article from: Plant Engineering
; Your compressed air system is a critical plant...basic elements-demand, compressed air quality, supply...installing two independent air systems working at different...levels when designing your compressed air system. If different...
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Meeting your compressed air treatment needs. (compressed air treatment equipment)(includes related articles) (Compressed Air Treatment Guide)
Magazine article from: Plant Engineering
; Why do we need compressed air treatment? Because ambient air contains contaminants...into the compressor. These contaminants are compressed and intensified and find their way into the compressed air system. Contaminants are also introduced...
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