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Doubling time
| Эпидемиологический словарь (глоссарий) |
The time it takes for the population to double; also referred to as generation time
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Период удвоения, русский
Среднее время, необходимое для удвоения населения.
Время удвоения, русский
Время, в течение которого количество делящегося материала, первоначально загруженного в реактор, удваивается в процессе расширенного воспроизводства. (для реактора-размножителя)
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Doubl, английский
- Deck-nails. see deck-nails.
- Wall-knot. with or without a crown, or a double crown, is made by intertwisting the unlaid ends of a rope in a peculiar manner.
Doublage, французский
Doublage (en bois), французский
Double, английский
- Snooker or british term for a kick or bank shot
- Двойной; дублированный
- Двойной
- Flemish bond a brickwork pattern
- L stair a platform stair with two intermediate landings, one near the top and one near the bottom, with a 90° change of direction at each landing. double-margin door a door having the appearance of a double door.
- Roman tile a roman tile having an additional roll up the center of the tile that matches (and is parallel to) the roll at its edges.
- A удвоенный (син. geminate) consonant, primary
- [1] to attack an enemy vessel from both sides simultaneously. [2] to sail around a headland, cape, or peninsula. [3] to overlap two sections of a mast or spar. [4] to cover a ship’s hull with extra planking when the original has loosened. [5] when dog 100 preceded by “on the” or “at the” a command to move at a running pace.
- A stand of two standard lengths of drill rods or drill pipe coupled together. also called
- Горе ~ двухканатная подвесная дорога
- See double trailer. double
Double, английский
Double (triple) concave hull shape, английский
Двояко (трояко) вогнутая форма корпуса
Double -, английский
- Двойной фальц
- Двупольная дверь
Double - cantilever gantry crane, английский
Double - circuit tower, английский
Double - curvature shell, английский
Double - deck bridge, английский
Double - fenetre, французский
Double - layer reinforcement, английский
Double acting, английский
Двойного действия
Double acting cylinder, английский
Гц двухстороннего действия см. также differential cylinder
Double action press, английский
Double addition, английский
Сложение с двойной точностью
Double address, английский
Двойная адресация double-address instruction двухадресная команда double-bit error ошибка в двух разрядах; двухбитовая ошибка
Double aging, английский
Double amplitude, английский
Двойная амплитуда
Double angle, английский
Two l-shaped metal structural members which are fastened together, back to back.
Population, английский
- A definable set of individual units to which the findings from statistical examination of a sample subset are intended to be applied. the population will generally much outnumber the sample. in re-randomisation statistics the process of applying inference
- See stock.
- A collection of units being studied. units can be people, places, objects, epochs, drugs, procedures, or many other things. much of statistics is concerned with estimating numerical properties (parameters) of an entire population from a random sample of units from the population.
- A group or number of people living within a specified area or sharing similar characteristics (such as occupation or age).
- Население; народонаселение; генеральная совокупность (в выборочном наблюдении); популяция (биол)
- Население
- 1. the number of people living in a country or town population statistics show that the birth rate is slowing down. the government has decided to screen the whole population of the area. 2. the number of patients in hospital the hospital population in the area has fallen below 10,000.
- Популяция
- Население; популяция -
- Популяция. в клинических исследованиях совокупность субъектов, обладающих какими-либо одинаковыми признаками (пол, возраст, диагноз).
- Население; популяция
- Any group of individuals, usually of a single species, occupying a given area at the same time; groups of organisms with homologue (same) alleles. p. cycle: changes in the numbers of individuals in a population which repeatedly oscillate between periods of high and low density. p. density: allowing a mathematically precise reflection - pd. • absolute: pd = number of individuals/unit area or volume [1/m2] or [1/m3] • relative: pd allows only a simple comparison (pd <, =, >, ? etc.). p. dynamics: the variations in time and space in the sizes and densities of populations; distribution due to changing food resources - the stability of a population depends upon abiotic factors, intraspecific competition (density dependent), natality, mortality etc. p. ecology: the study of the variations in time and space in the sizes and densities of populations, and of the factors causing those variations. p. fluctuation: variations over time in the size of a population. p. growth: is zero, when the birth rate equals the death rate (see carrying capacity). nt+1 = nt + r nt, current number of individuals r = (natality + immigration) - (mortality+emigration) r, intrinsic rate of growth (see density) p. pyramid: a means of illustrating the age structure of a population diagrammatically, by placing the youngest age class at the base and stacking successive age classes above it. p. regulation : a tendency in a population for some factor to cause density to increase when it is low and to decrease nt, momentary number of individuals when it is high. n0, number of individuals at start
- Generally, a collection of individuals with common characteristics. in statistics, a potentially infinite collection of independent (->independence) units that include all units of a specified type with attention paid only to the agggregate (->aggregation) property of the collection. a sample of data drawn from this population is a subset of the units constituting this population and scientific generalizations from such samples are limited by the size of the population originally specified (->model, ->representation).
- The process of scanning content to compile and maintain an index.
- Fish of the same species inhabiting a specified geographic area.
Generation, немецкий
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Перфокарта, русский
Карта, на которой данные сохранялись посредством отверстий, проколотых в определенных местах. на карте с краевой перфорацией проколы делались с края и имели форму отверстий для их сортировки вручную. обычная п. имела 80 колонок и 12 рядов. в каждой колонке имелось 12 позиций, в которых могли быть проколоты отверстия согласно заранее установленному коду. позиция отверстия указывала на величину переменной. п. сортировались механическим или электрическим образом, обеспечивая быструю обработку и анализ данных, иногда значительной сложности. использование перфокарт было заменено прямым вводом данных в компьютер. см. также данных обработка.
Период удвоения, русский
Среднее время, необходимое для удвоения населения.
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