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Что (кто) такое actinic photometer - определение
Actinic light; Actinic; Actinic radiation; Actinology; Actinic lighting
Найдено результатов: 28
Photoelectric flame photometer
LABORATORY DEVICE THAT CARRIES OUT A QUANTITATIVE FLAME TEST
Photoelectric Flame Photometer; Flame photometer
A photoelectric flame photometer is an instrument used in inorganic chemical analysis to determine the concentration of certain metal ions, among them sodium, potassium, lithium, and calcium. Group 1 and Group 2 metals are quite sensitive to Flame Photometry due to their low excitation energies.
Actinic keratosis
![Interim result of phototherapy for actinic keratosis with [[methyl aminolevulinate]] one week after exposure. Patient has light skin, blue eyes.](https://commons.wikimedia.org/wiki/Special:FilePath/Phototherapy week.png?width=200 "Interim result of phototherapy for actinic keratosis with [[methyl aminolevulinate]] one week after exposure. Patient has light skin, blue eyes.")
HUMAN DISEASE
Solar keratosis; Senile keratosis; Solar keratoses; Actinic keratoses; Solar Keratosis; Actinic Keratosis.; Solar (actinic) keratoses; Atrophic actinic keratosis; Hyperkeratotic actinic keratosis; Lichenoid actinic keratosis; Pigmented actinic keratosis; Bowenoid actinic keratosis
Actinic keratosis (AK), sometimes called solar keratosis or senile keratosis, is a pre-cancerous area of thick, scaly, or crusty skin.Freedberg, et al.
Actinic Rays
![Reflection from a spherical mirror. Incident rays (red) away from the center of the mirror produce reflected rays (green) that miss the focal point, F. This is due to [[spherical aberration]].](https://commons.wikimedia.org/wiki/Special:FilePath/Abbildungsfehler am Hohlspiegel (Katakaustik).svg?width=200 "Reflection from a spherical mirror. Incident rays (red) away from the center of the mirror produce reflected rays (green) that miss the focal point, F. This is due to [[spherical aberration]].")
WIKIMEDIA DISAMBIGUATION PAGE
Actinic rays (disambiguation)
The rays of light at the violet end of the spectrum; also the invisible
rays beyond such end, or the ether waves of short periods which most
strongly induce chemical change.
Actinic granuloma
MEDICAL CONDITION
O'Brien granuloma; O'Brien's granuloma; Granuloma actinic
Actinic granuloma is a cutaneous condition characterized histologically by a dermal infiltrate of macrophages.
Photometer, Actinic
A photometer whose registrations are produced by the action of the light
being tested upon sensitized paper or plates, such as used in
photography. Some efforts at self-registering photometers have been
based on actinic registration of the height of a flame of the gas to be
tested.
Actinic prurigo
RARE SUNLIGHT-INDUCED, PRURITIC, PAPULAR OR NODULAR SKIN ERUPTION
Actinic prurgio; Familial polymorphous light eruption of American Indians; Hereditary polymorphous light eruption of American Indians; Hutchinson's summer prurigo; Hydroa aestivale; Hutchinson's prurigo
Actinic prurigo is a rare sunlight-induced, pruritic, papular or nodular skin eruption. Some medical experts use the term actinic prurigo to denote a rare photodermatosis that develops in childhood and is chronic and persistent; this rare photodermatosis, associated with the human leukocyte antigen HLA-DR4, is often called "Familial polymorphous light eruption of American Indians" or "Hereditary polymorphous light eruption of American Indians" but some experts consider it to be a variant of the syndrome known as polymorphous light eruption (PMLE).
Actinology
·noun The science which treats of rays of light, especially of the actinic or chemical rays.
Actinism
The power possessed by ether waves of inducing chemical change, either
of decomposition or of combination. The violet and ultra-violet end of
the spectrum of white light, generally speaking, represent the most
highly actinic rays.
Actinic
·adj Of or pertaining to actinism; as, actinic rays.
Actinism
·noun The property of radiant energy (found chiefly in solar or electric light) by which chemical changes are produced, as in photography.
Википедия
Actinism
Actinism () is the property of solar radiation that leads to the production of photochemical and photobiological effects. Actinism is derived from the Ancient Greek ἀκτίς, ἀκτῖνος ("ray, beam"). The word actinism is found, for example, in the terminology of imaging technology (esp. photography), medicine (concerning sunburn), and chemistry (concerning containers that protect from photo-degradation), and the concept of actinism is applied, for example, in chemical photography and X-ray imaging.
Actinic () chemicals include silver salts used in photography and other light sensitive chemicals.
