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2. Knudsen absolute manometer - Wikipedia

   en.wikipedia.org/wiki/Knudsen_absolute_manometer

   Pressure is determined by the interaction of particles with a surface, its kinetic energy, and is temperature dependent. When a particle hits a hotter surface, heat transfer will take place and the particle will gain energy. When a particle hits a colder surface, the opposite occurs.

3. Ruby pressure scale - Wikipedia

   en.wikipedia.org/wiki/Ruby_Pressure_Scale

   Ruby spectra R1, R2 lines. The ruby fluorescence pressure scale is an optical method to measure pressure within a sample chamber of a diamond anvil cell apparatus. [1] Since it is an optical method, which fully make use of the transparency of diamond anvils and only requires an access to a small scale laser generator, it has become the most prevalent pressure gauge method in high pressure ...

4. MAP sensor - Wikipedia

   en.wikipedia.org/wiki/MAP_sensor

   MAP sensors measure absolute pressure. Boost sensors or gauges measure the amount of pressure above a set absolute pressure. That set absolute pressure is usually 100 kPa. This is commonly referred to as gauge pressure. Boost pressure is relative to absolute pressure - as one increases or decreases, so does the other.

5. Continuous emissions monitoring system - Wikipedia

   en.wikipedia.org/wiki/Continuous_emissions...

   2 emissions are measured in pounds per hour using both an SO 2 pollutant concentration monitor and a volumetric flow monitor. For NO x, both a NO x pollutant concentration monitor and a diluent gas monitor are used to determine the emissions rate in weight per volume or weight per heat value (for example lbs/million Btu, lbs/ft 3, kg/kWh or kg ...

6. Pressure measurement - Wikipedia

   en.wikipedia.org/wiki/Pressure_measurement

   Moderate vacuum pressure readings can be ambiguous without the proper context, as they may represent absolute pressure or gauge pressure without a negative sign. Thus a vacuum of 26 inHg gauge is equivalent to an absolute pressure of 4 inHg, calculated as 30 inHg (typical atmospheric pressure) − 26 inHg (gauge pressure).

7. 10 Things In Your Kitchen To Toss Immediately, According To ...

   www.aol.com/10-things-kitchen-toss-immediately...

   Specialty Cookware or Appliances. Gadgets like a mini waffle maker, popcorn maker, ice cream maker, or sandwich press just aren’t necessary and take up more room than they are worth.