High-pressure chemistry is an interdisciplinary science exploring reactions and phenomena occurring at pressures above 100 kPa. Under these extreme conditions, substances undergo remarkable ...

Atmospheric pressure bends the thinner front surface slightly, changing the shape of the mirror. [Huygens Optics] also built an interferometer to compare the variable mirror to a known spherical ...

The SU3800 and SU3900 from Hitachi are powerful and versatile thermionic emitter variable pressure SEMs. The extra-large stage and chamber of the SU3900 make it best suited for the study of large, ...

Benefits of Variable Speed Pumps (VSP) The benefits of pressure sensors in modern-day Variable Speed Pump design can be categorized into three key areas: efficiency, reliability and the user ...

ABB produces the multi-variable 266JST pressure transmitter, which offers a percentage of span of 0.04% plus or minus 0.04% of the value. This is up to a 20 to 1 turn down, meaning that a 1000 inch ...

Download this article in PDF format. Equipment designers find that proportional control technology is ideal where precise performance is required in variable pressure or flow applications.

Dr. Blumenthal answers the question: 'Which Blood Pressure Reading Is Best?' — -- Question: My Blood Pressure Is Highly Variable. Which Reading Should I Use? Answer: It's very common for ...

A group of Chinese researchers has made a first attempt to integrate pumped hydro with compressed air storage and has found the latter may help the former to better deal with large head variations.

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