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Displaying 60901 - 60925 of 74237

Smoke Control Systems for Elevator Fire Evacuation

February 19, 1991
Author(s)
J H. Klote, G. T. Tamura
Some people cannot use stairwells because of physical disabilities, and for these people fire evacuation is a serious problem. A potential solution to this problem is the use of elevators for fire evacuation. A joint project of the U. S. National Institute

Milliwatt mixer for small fluid samples

February 1, 1991
Author(s)
Robert Berg
Mixing without excessive heating is sometimes needed for temperature-sensitive fluids. We modified an inexpensive low-frequency electronic filter based on a mechanical resonator to produce a compact (16 mm) and low-power (l-3 mW) mixer for low viscosity

Milliwatt mixer for small fluid samples

February 1, 1991
Author(s)
Robert Berg, Nicholas P. De Luca
Mixing without excessive heating is sometimes needed for temperature-sensitive fluids. We modified an inexpensive low-frequency electronic filter based on a mechanical resonator to produce a compact (16 mm) and low-power (l-3 mW) mixer for low viscosity
Displaying 60901 - 60925 of 74237
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