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Base curve
| Глоссарий терминов и сокращений по оптическим линзам |
The singular dioptric curve on the front surface of a lens. this curve is generally in place when the lens blank is manufactured and as such will control the selection of back curves necessary to produce a given prescription. this surface curve becomes the basis from which the other remaining curves are measured. when applied to lenses in general, the base curve is the group curve or the curve common to a group of lens powers. base down (bd) prism – a wedged shaped lens which is thicker at the bottom of the lens. prisms bend light in the opposite direction from its thicker edge so base down prism turns the light upward thus causing the eye to also move upward. this prism is used to measure an eye alignment and /or treat a binocular dysfunction (eye teaming problem). prisms are sometimes added to glasses to help improve eyesight due to a misalignment or visual field loss. base in (bi) prism – a wedged shaped lens which is thicker at the nasal area of the lens. prisms bend light in the opposite direction from its thicker edge so base in prism turns the light outward (toward the ear) thus causing the eye to also move outward. this prism is used to measure an eye alignment and /or treat a binocular dysfunction (eye teaming problem). prisms are sometimes added to glasses to help improve eyesight due to a misalignment or visual field loss. base out (bo) prism – a wedged shape lens which is thicker on the outward edge of the lens, closest to the ear. prisms bend light in the opposite direction from its thicker edge so base out prism turns the light inward thus causing the eye to also move inward. this prism is used to measure an eye alignment and /or treat a binocular dysfunction (eye teaming problem). prisms are sometimes added to glasses to help improve eyesight due to a misalignment or visual field loss. base up (bu) prism – a wedged shape lens which is thicker on the upward edge of the lens. prisms bend light in the opposite direction from its thicker edge so base up prism turns the light downward thus causing the eye to also move downward. this prism is used to measure an eye alignment and /or treat a binocular dysfunction (eye teaming problem). prisms are sometimes added to glasses to help improve eyesight due to a misalignment or visual field loss.
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Base, испанский
Base, английский
- (adj) something good. use base instead of cool. example a just got the new radiohead album. b. base.
- Manager`s notice уведомление начальника базы
- База; основание
- A material which neutralizes acids. an oil additive containing colloidally dispersed metal carbonate, used to reduce corrosive wear.
- 1. the bottom part the base of the spine base of the brain the bottom surface of the cerebrum 2. the main ingredient of an ointment, as opposed to the active ingredient 3. a substance which reacts with an acid to form a salt verb to use something as a base cream based on zinc oxide cream which uses zinc oxide as a base basedow’s disease basedow’s disease / bz?d??z d?zi z/
- Base
- N база | a базовый component, derivation, marker, rule, string articulation ~ артикуляционная база (син. basis of articulation)
- The breech of a gun. also, the lowest part of the perimeter of a geometrical figure. when applied to a delta it is that edge of it which is washed by the sea, or recipient of the deltic branches. also, the lowest part of a mountain or chain of mountains. also, the level line on which any work stands, as the foot of a pillar. also, an
- Сеть с непосредственной передачей; сеть с немодулированной передачей 10base-2 стандарт ethernet 10base2 (10 мбит/с); 10-мбит/c реализация стандарта ieee 802.3
- Foundation or supporting structure on which a drill is mounted.
- The point or line from which a start is made. as used by drillers, a line of stakes set by an engineer or drill foreman to be used as a guide to line up and point the drill in a specific compass direction.
- The minimum price used as a basis for determin ing the total cost when drilling is done on contract. 4. the most abundant metal in an alloy.
- The rider`s seat and weight.
- A technical analysis tool. a chart pattern depicting the period when the supply and demand of a certain stock are in relative equilibrium, resulting in a narrow trading range. the merging of the support level and resistance level.
- Cloud base (icao)
Base, английский
Base, английский
Base, русский
Нижняя граница облаков
Base, английский
Base, итальянский
Nel mercato dei futures, viene definita basis la differenza esistente tra il prezzo di un titolo a pronti e il prezzo del future sullo stesso titolo. con l`avvicinarsi alla scadenza del contratto future diminuira progressivamente, fino ad annullarsi compl
Base (base level) of the foundation, английский
Base (dry down), английский
Base notes are made up of the underlying tones of the fragrance, and are responsible for its lasting qualities. the ingredients used in base notes are often referred to as the “fixatives.”
Base -, английский
Опорная плита (напр, стальной колонны); нижний лист плоской опорной части (моста)
Base 2, английский
Having two components, alternatives, or outcomes. the binary number system has 2 as its base, so values are expressed as combinations of two digits, 0 and 1. these two digits can represent the logical values true and false as well as numerals, and they can be represented in an electronic device by the two states on and off, recognized as two voltage levels. therefore, the binary number system is at the heart of digital computing.
Base 64 encoding, английский
A binary-to-text encoding scheme whereby an arbitrary sequence of bytes is converted to a sequence of printable ascii characters.
Base activation notice, английский
Извещение о вводе базы в действие b&gr bombing and gunnery range бомбардировочно-стрелковый полигон 115 b&p brooks and perkins фирма «брукс энд перкинс» b&s beams and stringers лонжероны и стрингеры b&s boosters and sustainers разгонные и маршевые двигатели b&s brown and sharpe gauge американская система классификации сечений проводов «браун энд шарп» b&w babcock and wilcox (company) фирма «бэбкок и уилкокс компани» b&w black and white черно-белый
Base address, английский
The part of a two-part memory address that remains constant and provides a reference point from which the location of a byte of data can be calculated.
Base address register, английский
A list of addresses that serves as a reference point for other addresses.
Base air defense ground environment, английский
Наземная радиолокационная система управления средствами пво авиационных баз «бэйдж»; яп базовая система пво «бейдж»
Base air depot, английский
Базовый авиационный склад
Base air depot area, английский
Район базового авиационного склада
Base airport, английский
Base altimeter, английский
Base amount, английский
The amount of a transaction before taxes. taxes are calculated on the base amount.
Manufactured, английский
Prescription, английский
- Prescripción
- Рецепт
- The formula for the lenses required by a patient to compensate for a refractive error. prescriptions are written in units called diopters. usually written as rx.
- An order written by a doctor to a pharmacist asking for a drug to be prepared and given or sold to a person
- A written direction for the preparation and use of a medicine.
- Исковая давность
Dysfunction, английский
- An unusual functioning of an organ
- An attribute used by the structural-functional school of sociology to indicate a social action that does not enhance the adaptability of the social system in which it occurs. in contrast, a function enhances that adaptability (->adaptation). ~ system
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Basic formula, английский
The subjective; it is the lens power that alters the light rays entering an eye and causes a change in the focusing mechanism in the greatest degree without causing a subjectively detected alteration in the convergence mechanism.
Baryta glass, английский
A type of glass containing lead for increasing the index together with barium to increase refractive index, while maintaining a relatively low dispersion.
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