base ambient temperature
31Crystal oven — An OCXO inside an HP digital counter A crystal oven is a temperature controlled chamber used to maintain the quartz crystal in electronic crystal oscillators at a constant temperature, in order to prevent changes in the frequency due to… …
32Respirometry — is a general term that encompass a number of techniques for obtaining estimates of the rates of metabolism of vertebrates, invertebrates, plants, tissues, cells, or microorganisms via an indirect measure of heat production (calorimetry). Whole… …
33Concrete — This article is about the construction material. For other uses, see Concrete (disambiguation). Outer view of the Roman Pantheon, still the largest unreinforced solid concrete dome.[1] …
34Fuel economy in automobiles — Fuel consumption monitor from a 2006 Honda Airwave …
35Verre — Cet article concerne le verre (le matériau). Pour les autres significations, voir Verre (homonymie). Une bouteille de verre coloré. Le verre est un matériau ou un alliage dur …
36metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
37Resistor — A typical axial lead resistor Type Passive Working principle Electrical resistance Invented Ge …
38Refrigerator — Fridge and Freezer redirect here. For other uses, see Fridge (disambiguation) and Freezer (disambiguation). For other uses, see Refrigerator (disambiguation). See also: Refrigeration A side by side refrigerator …
39Air well (condenser) — High mass air well of Belgian engineer Achile Knapen in Trans en Provence …
40Fog — For other uses, see Fog (disambiguation). Part of the Nature series on Weather   Calendar seasons Spring  …
