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Lacuna
| Глоссарий медицинских терминов |
- A small hollow or cavity (note: the plural is lacunae.)
- A. a period during which sedimentation was either nil or, more likely, was replaced by erosion (gignoux, 1950, p. 19; 1955, p. 15-16). b. a chronostratigraphic unit representing the interpreted space-time value o f both non-deposition (hiatus) and the erosionally removed part o f the subjacent transgressive- regressive succession (wheeler, 1958b, p. 1058).
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Страт, русский
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Sedimentation, английский
- The action of solid particles falling to the bottom of a liquid
- Осаждение, седиментация. действие сил гравитации, приводящее к отделению частиц от текучей среды, в которой они взвешены (предварительный стандарт мос, 8).
Interpreted, английский
Интерпретируемый
Deposition, английский
- Отложение; осаждение; осаждённый [напылённый] слой ~ of soil отсыпка грунта
- The laying down of any material by any agent such as wind, water, ice or by other natural processes. hp
Transgressive, английский
Regressive, английский
A регрессивный (ант. progressive) assimilation, dissimilation
Succession, английский
- A line of happenings, one after the other she had a succession of miscarriages.
- The orderly progression of changes in a community composition that occurs during development of vegetation in any area; from initial colonization to the attainment of the climax typical of a particular geographic area. micro s.: a dying tree, for example forced by winds to break causes a successional chain of events (also known as degrative succession. - see mosaic climax). autotropic s.: a temporal succession of species location principally involving plants. allogenic s.: a temporal succession of species at a location that is driven by external influences which alter conditions (contrary to autogenic); e.g. silt deposits changes a marshland to woodland. autogenic s.: a temporal succession of species at a location that is driven by processes operating with the community (contrary to allogenic), e.g. primary and secondary succession, that occur on newly exposed land. degraditive s.: degradable resources (feces, dead organisms) are utilized successively by a number of species; there is a link between succession on plant litter and soil formation. heterotrophic s.: a temporal succession of species at a location, principally involving animals. primary s.: soon after a region is denuded, a variety of pioneer species begin to colonize the bare ground and they modify the environmental conditions (e.g. a retreating glacier, early organisms provide the soils needed by succesing organisms - facilitation). secundary s.: follows major changes to an established ecosystem. catastrophic weather events, fire, or human activities all disturb the environment. after such an event on land, well-developed soil remains, giving pioneer species an easy foothold, but also on abandoned agricultural areas. order of s.: once an ecosystem is established, succesion does still take place on a smaller, slower, more complex scale. • degrative oos.: dead organic matter (feces etc ) trigger a succesional change of decomposing organisms until substance is completely recycled. • interactive oos.: interaction between species, e.g. herbivores in an habit; birds feed on caterpillar - too many caterpillars feeding on leaves can decrease competitiveness of plant, in which the bird lives. theories of s.: disturbances in ecosystems open up an area with the following scenarios: • facilitated: only certain pioneer species are capable of becoming established in the open space, but if certain species can exist and establish as adults under prevailing conditions, so that either can be: • tolerated: modification of the environment by early occupants has little or no effect on subsequent recruitment of later successional species, or • inhibited: occupants by early organisms make it less suitable for recruitment of late successional species, e.g. ulva sp.
- The passing of property or legal rights after death. the word commonly refers to the distribution of property under a state’s intestate succession laws, which determine who inherits property when someone dies without a valid will. when used in connection with real estate, the word refers to the passing of property by will or inheritance, as opposed to gift, grant, or purchase.
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Head louse, английский
A small insect of the pediculus genus, which lives on the scalp and sucks blood. also called pediculus capitis (note: the plural is head lice.)
Renal calculus, английский
A small hard mineral mass called a stone in the kidney
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