|
|
|
|
|
|
|
|
|
Half-life period
| Глоссарий строительных терминов инженерных изысканий |
|
Период полураспада, русский
|
Half-life, английский
- Half-life is closely related to the property of radioactive decay and represents the time taken for half the atoms in a radioactive substances to undergo decay and change into another nuclear form (either a radioactive daughter product or a stable form).
- 1. a measurement of the period of time taken before the concentration of a drug has reached half of what it was when it was administered 2. the time taken for half the atoms in a radioactive isotope to decay
- The point in the life of a mortgage-backed security guaranteed or issued by the government national mortgage association, the federal national mortgage association or the federal home loan mortgage corporation when half the principal has been repaid.
Half-life (biological), английский
- The biological half-life is the time taken for half of a radioactive material, (present in a body as a result of inhalation , ingestion , injection or absorption ), to be eliminated by the biological processes in that body.
- The time required for a biological system, such as a man or an animal, to eliminate, by natural processes, half the amount of a substance that has entered it.
Half-life (rt), английский
The time in which half the atoms in a radioactive substance disintegrate. half-lives vary from millionths of a second to billions of years.
Half-life (t?), английский
The time it takes for half the original amount of a substance to disappear. in the environment, the half-life is the time it takes for half the original amount of a substance to disappear when it is changed to another chemical by bacteria, fungi, sunlight, or other chemical processes. in the human body, the half-life is the time it takes for half the original amount of the substance to disappear, either by being changed to another substance or by leaving the body. in the case of radioactive material, the half life is the amount of time necessary for one half the initial number of radioactive atoms to change or transform into another atom (that is normally not radioactive). after two half lives, 25% of the original number of radioactive atoms remain.
Period, английский
- Период
- 1. a length of time the patient regained consciousness after a short period of time. she is allowed out of bed for two periods each day. 2. menstruation or the menses, bleeding from the uterus which occurs in a woman each month when the lining of the uterus is shed because no fertilised egg is present she always has heavy periods. some women experience abdominal pain during their periods. she has bleeding between periods.
- N период (в т.ч. большое слож- ное законченное предложение ); пауза в кон- це периода; точка (в конце периода, части текста ; см. тж. full stop) critical ~ критический период4 ~ ~ hypothesis гипотеза критического пе- риода5
- Период; интервал; цикл || периодический ~ of vibration период механических колебаний [вибраций]
- The interval of geologic time (geochronologic unit) during which the rocks of the corresponding system (chronostratigraphic unit) were formed (see section 9.c.5.a and table 3). phase. a term used with numerous, diverse, and often vague stratigraphic meanings; best avoided in stratigraphic nomenclature (see weller, 1958, p. 619-620, 633).
- Menstrual flow, an instance of menstruation.
- Value of the minimum duration after which the same characteristics of a periodic waveform or a periodic feature repeat.
- Absolute value of the minimum interval after which the same characteristics of a periodic waveform or a periodic feature repeat.4
- Value of the minimum duration after which the same characteristics of a periodic waveform or a periodic feature repeat.10 562 ultrasonic testing
- A 28 day period, as defined by network rail. there are 13 periods in a calendar year
Period, английский
Period, шведский
Period (in punct.), английский
Period contract, английский
Долгосрочный договор
Period for response to action, английский
Срок для подачи возражения на решение экспертизы
Period incub, английский
The time during which a virus or bacterium develops in the body after contamination or infection, before the appearance of the symptoms of the disease. also called stadium invasioni
Period mark, английский
Метка периода
Period of benefits, английский
Период действия пособия
Period of charter, английский
Period of communicability, английский
Period of convalescence, английский
Fifth stage of acute disease, during which the patient returns to normal function
Period of credit, английский
Срок кредита
Period of decline, английский
Fourth stage of disease, during which the number of pathogens present in the host decreases, along with signs and symptoms of disease
Period of digestion, английский
The time period of often high volatility after a new issue is released when the trading price of the security is established by the market.
Period of disability, английский
Период нетрудоспособности
|
Галоклин, русский
Half space, английский
|
|
|
|
|
|
|
