microwaves


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Related to microwaves: Microwave ovens

microwaves

() Very high frequency radio waves. Their frequencies are usually considered to lie in the range 1–300 gigahertz, so that their wavelength range is about 1–300 mm. Microwave astronomy is the branch of radio astronomy covering this wavelength range.
References in periodicals archive ?
1 Introducing Microwave Processing of Food: Principles and Technologies.
Multiple magnetrons are used to generate the microwave energy, and it's not unusual to find 2.
What 2,500 MHz microwaves can do is get absorbed by the water, fats, and sugars in food.
While it is clear that within close proximity both microwaves and radio frequencies can damage tissue through heating, the potential of damage from non-thermal effects is a growing area of concern, especially with devices being used for extended periods of time.
The freedom to install the appliance in convenient locations throughout the kitchen allows users to safely remove contents from the microwave without the risk of spillage because hot containers are not being lifted overhead, as with many built-in microwaves.
With such advantages as more rapid heating and preservation of sensory and nutritional quality, microwave processing has proved a versatile technology.
Next, he exposed half of the rats to microwaves similar to those emitted by cell phones, although the frequency was set at 2,450 MHz, higher than cell-phone frequencies, which are usually between 850 and 1,700 MHz.
Electric and Granite State Electric, the companies are participating in many projects to develop environmentally friendly, energy-efficient appliances such as the microwave dryer.
To clean up contaminated earth, he says, microwaves will cook soil soaked with dangerous pentachlorophenols (PCPs) to 1,000*C, destroying 99.
In an issue of Nutrition Action Healthletter, the newsletter of the Center for Science in the Public Interest, the consumer-rights group in Washington, a report about removing bacteria from cellulose sponges and wooden cutting boards suggested putting them in a microwave - the sponges for 30 seconds, the cutting boards for five minutes.
2] is transparent to microwaves, it can offer the same residue-free extractions.