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Liquid crystal thermometers portray temperatures as colors and can be used to follow temperature changes caused by heat flow. They can be used to observe that heat flows by conduction, convection, and radiation. In medical applications, liquid crystal thermometers may be used to read body temperature by placing them against the forehead.
A time temperature indicator (TTI) is a device or smart label that shows the accumulated time-temperature history of a product.Time temperature indicators are commonly used on food, pharmaceutical, and medical products to indicate exposure to excessive temperature (and time at temperature).
An aquarium heater is a device used in the fishkeeping hobby to warm the temperature of water in aquariums. [1] Most tropical freshwater and marine aquariums are maintained at temperatures that range from 22 to 30 °C (72 to 86 °F).
Leuco dyes are easier to work with and allow for a greater range of applications. These applications include: flat thermometers, battery testers, clothing, and the indicator on bottles of maple syrup that change color when the syrup is warm. The thermometers are often used on the exterior of aquariums, or to obtain a body temperature via the ...
The Miller–Casella thermometer was a Six's thermometer with a double bulb used extensively by the Challenger expedition during the late nineteenth century. [1] The thermomemeter was used for water temperature readings along 360 different research stations around the world's oceans.
The aquarium craze was launched in early Victorian England by Gosse, who created and stocked the first public aquarium at the London Zoo in 1853, and published the first manual, The Aquarium: An Unveiling of the Wonders of the Deep Sea in 1854. [2] Small aquariums are kept in the home by hobbyists. There are large public aquariums in many cities.
Aquarium and pond sterilizers are typically small, with fittings for tubing that allows the water to flow through the sterilizer on its way from a separate external filter or water pump. Within the sterilizer, water flows as close as possible to the ultraviolet light source.
How do animals obtain water in the winter when water sources are frozen. Some hibernate; that's all I know. Melchoir 01:09, 1 May 2006 (UTC) []. Although this is a very silly question for us Canadians, I actually found a quote: "Studies in Canada have shown some cows have gone 50 to 60 days with snow as the sole water source without any adverse effects.
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