An optical fiber Fabry–Pérot interferometer (FPI) based on an air cavity with a microchannel is proposed and demonstrated for gas pressure measurement. The inner air cavity is fabricated by fusion ...

Exercise can temporarily increase blood pressure or lower it slightly. Learn more about when to talk to your doctor, blood pressure readings, and safety tips.

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The design of new polymeric materials and the search for new classes of polymers for industrial application in membrane-based gas separation have been the focus of several research groups worldwide.

National Gas & Industrialization Co National Gas & Industrialization Co 2080 Stock XSAU Rating as of Jun 20, 2025 Summary Chart News Price vs Fair Value Sustainability Trailing Returns Key Metrics ...

WITT’s ULTRAVENT Series – a cutting-edge range of millibar valves designed to precisely manage both positive and negative gas pressures between 5 and 500 mbar – have been engineered to deliver ...

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refrigerant R600a gas QUALITY INDICATORS Isobutene content % ≥ 9905 Sulfur content ppm ≤ 1 Moisture % ≤ 0.001 Residue % ≤ 0.01 Appearance colorless Odor no foreign odor PHYSICAL PROPERTIES Molecular ...

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