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Monsoon
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Very persistent winds which may blow for months at a time from one general wind direction during one season and then a quite different, often opposing direction for another season. originally, the name for the seasonal winds that blow across the arabian sea. for six months the winds blow consistently from
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Persistent, английский
- Стойкий
- A постоянный (ант. sporadic, transient)
- Упорный; устойчивый; стойкий
Originally, английский
Первоначально
Consistent, английский
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Virga, английский
Virga is falling precipitation (rain, snow or ice crystals) that evaporates before reaching the ground, appearing as streaks or wisps of precipitation terminating in mid-air. typically, it falls from altocumulus, altostratus, or high-based cumulonimbus. virga can be detected by radar and is reported as pr
Ultraviolet radiation, английский
- Ultraviolet radiation (uv) is one form of radiant energy coming from the sun. the sun emits a range of energy known as the electromagnetic spectrum. the various forms of energy, or radiation, are classified according to wavelength (measured in nanometres (nm) where one nm is a millionth of a millimetre).
- Sunlight rays or short wave radiation from sources such as welding, lasers, or tanning lamps. uv light can damage the eyes and lead to snow blindness, cataracts and degenerative diseases of the eye.
- Electromagnetic radiation at wavelengths immediately below the visible spectrum, i.e., within the wavelength range 10 to 380 nm. may be classified as: far ultraviolet, 10 to 280 nm; middle ultraviolet, 280 to 315 nm; near ultraviolet, 315 to 380 nm. also may be classified as: ozone-producing, 180 to 220 nm; germicidal, 220 to 300 nm; erythemal, 280 to 320 nm; black light, 320 to 400 nm. in either method of classification, there are no sharp demarcations between the wavelength bands.
- Short invisible rays of ultraviolet light. abbr uvr
- Electromagnetic radiation with wavelengths between 40 and 400 nm. see also irradiance and uv-a.
- Electromagnetic radiation with wavelengths between 40 and 400 nm. see also near ultraviolet. uv: ultraviolet. v
- Electromagnetic radiation with wavelengths between 100 and 400 nm.
- Irradiance and uv-a. fluorescent nondestructive testing uses uv-a and safe exposure limits for ultraviolet radiation and blue light hazard are available through the american conference of governmental industrial hygienists.
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