platinum bolometer

См. также в других словарях:

• Bolometer — A bolometer is a device for measuring the energy of incident electromagnetic radiation. It was invented in 1878 by the American astronomer Samuel Pierpont Langley.It consists of an absorber connected to a heat sink (area of constant temperature)… …   Wikipedia

• bolometer — bolometric /boh leuh me trik/, adj. bolometrically, adv. /boh lom i teuhr, beuh /, n. Physics. a device for measuring minute amounts of radiant energy by determining the changes of resistance in an electric conductor caused by changes in its… …   Universalium

• Thermocouple — plugged to a multimeter displaying room temperature in °C. A thermocouple is a device consisting of two different conductors (usually metal alloys) that produce a voltage proportional to a temperature difference between either end of the pair of… …   Wikipedia

• spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …   Universalium

• Measuring instrument — Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea …   Wikipedia

• Niobium — zirconium ← niobium → molybdenum V ↑ Nb ↓ Ta …   Wikipedia