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Alluvial diamonds
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
Diamonds found in association with water-laid materials.
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Alluvial, английский
- A sorted or semi-sorted sediment deposited during comparatively recent geologic time by a stream or other moving body of water, and which occasionally contains concentrations of valuable minerals.
- A term commonly, although incorrectly, used by some drillers as a synonym for overburden. see overburden.
- Relating to deposits made by flowing water.
- Pertaining to material or processes associated with transportation and/or subaerial deposition by concentrated running water. compare - colluvial. gsst
- Of or pertaining to alluvium; alluvial soil.
Alluvial (proluvial) fan, английский
Alluvial clay, английский
Alluvial cone, английский
A semi-conical type of alluvial fan with very steep slopes; it is higher, narrower, and steeper (e.g., > 40% slopes) than a fan, and composed of coarser, and thicker layers of material deposited by a combination of alluvial episodes and to a much lesser degree, landslides (e.g., debris flow). coarsest materials tend to concentrate at the cone apex. compare - alluvial fan, talus cone. sw
Alluvial deposit, английский
Earth, sand, gravel, or other rock or mineral materials transported and laid down by flowing water.
Alluvial fan, английский
- A low, outspread mass of loose materials and/or rock material, commonly with gentle slopes, shaped like an open fan or a segment of a cone, deposited by a stream (best expressed in semiarid regions) at the place where it issues from a narrow mountain or upland valley; or where a tributary stream is near or at its junction with the main stream. it is steepest near its apex which points upstream and slopes gently and convexly outward (downstream) with a gradual decrease in gradient. gg
- A large, sloping sedimentary deposit at the mouth of a canyon, laid down by intermittently flowing water, especially in arid climates, and composed of gravel and sand. the deposit tends to be coarse and unworked, with angular, poorly sorted grains in thin, overlapping sheets. a line of fans may eventually coalesce into an apron that grows broader and higher as the slopes above are eroded away.
Alluvial flat, английский
(a) (colloquial: western u.s.a.) a nearly level, graded, alluvial surface in bolsons and semibolsons that lacks distinct channels, terraces, or flood plain levels.
Alluvial mining, английский
Alluvial ore deposit, английский
Alluvial plain, английский
(a) a large assemblage of fluvial landforms (braided streams, terraces, etc.,) that form low gradient, regional ramps along the flanks of mountains and extend great distances from their sources (e.g., high plains of north america. sw (b) (not recommended, use flood plain.) a general, informal term for a broad flood plain or a low-gradient delta. compare - alluvial flat. ffp. part 629 - glossary 629-6 (430-vi-nssh, 2008)
Alluvial plain remnant, английский
An erosional remnant of an alluvial plain which retains the surface form and alluvial deposits of its origin but was not emplaced by, and commonly does not grade to a present-day stream or drainage network. compare - alluvial plain, erosional remnant, paleoterrace. sw
Alluvial sand, английский
Alluvial slope, английский
Alluvial tin, английский
Alluvial values, английский
Alluvialis [e], латинский
Diamond, английский
- Брильянт - конфигурация головы и плеч, в которой воротник “разорван”, поэтому конфигурация имеет ромбовидный вид;
- Mineral composed essentially of carbon crystallized at extremely high temperatures and pressures; in nature, diamonds form 150 to 200km (93 to 124 miles) or more below the earth`s surface. diamond is the hardest of all known natural substances (10 on the mohs scale); its refractive index is 2.417, dispersion 0.044, specific gravity 3.52, and its lustre is adamantine. diamond ranges from colourless to yellow, brown, gray, orange, green, blue, white, black, purple, pink and extremely rarely, red. transparent and near-colourless is a desirable colour, diamond is a highly valued gemstone.
- A diamond is a precious gem, comprised of a crystalline form of pure carbon, the hardest naturally occurring substance.
- The hardest known substance composed of carbon crystallized in the isometric system, the more common crystal forms being the octahedron and rhombic dodecahedron. the cube and some com¬plex and combination forms of the isometric system are found, as well as rounded, distorted, twinned, and cryptocrystalline forms. although very hard, diamond has excellent cleavage and breaks readily under a blow, yielding flat surfaces parallel to the octahedral planes. diamonds usually are classified as either "gems" or "industrials" on the basis of color, shape, size, crystal form, and the size and location of inclusions or other imperfections. dia¬monds sometimes also are classified on a geographical basis, such as angolas, brazilians, congos, sierra leones, or west africans. this does not strictly mean that diamonds so classed come from that specific geographical area but that they are similar to stones characteristically produced by mines in that locality. a method for synthesizing diamonds has been developed, and small industrial diamonds have been produced on a commercial scale. these synthetic diamonds are commonly called "manmade" and/or "mm diamonds."
- Ore drill manufacturers association. see dcdma.
Diamond (impregnated) wire, английский
Diamond - shaped lattice, английский
Diamond ashlar, английский
A rectangular building stone having a face that is pyramidal rather than flat.
Association, английский
- Ассоциация, объединение, союз
- Two variables are associated if some of the variability of one can be accounted for by the other. in a scatterplot of the two variables, if the scatter in the values of the variable plotted on the vertical axis is smaller in narrow ranges of the variable plotted on the horizontal axis (i.e., in vertical "slices") than it is overall, the two variables are associated. the correlation coefficient is a measure of linear association, which is a special case of association in which large values of one variable tend to occur with large values of the other, and small values of one tend to occur with small values of the other (positive association), or in which large values of one tend to occur with small values of the other, and vice versa (negative association).
- N когн. ассоциация1
- Американская ассоциация производителей метизов [скобяных изделий]
- Американская ассоциация специалистов по антисептированию древесины
- Ассоциация (производителей) акустических и теплоизоляционных материалов
- Ассоциация изготовителей архитектурных алюминиевых изделий
- Ассоциация изготовителей конструктивных элементов из фибро- бетона
- Ассоциация изготовителей рулонных кровельных материалов на основе битума
- Ассоциация изготовителей стеклопакетов
- Ассоциация изготовителей строительных материалов и изделий
- Ассоциация изготовителей строительных метизов [крепёжных деталей] впп brinell hardness number твёрдость по бринеллю
- Ассоциация изготовителей теплоизоляционных материалов и изделий
- Ассоциация инженеров по подъёмно-транспортному оборудованию
- Ассоциация по научным исследованиям и технической информации в области строительства
- Ассоциация производителей изделий из ячеистого бетона автоклавного твердения
- Ассоциация производителей просечно-вытяжных металлических изделий
- Ассоциация специалистов по исследованию и совершенствованию деревянных конструкций
- Британская ассоциация (изготовителей) товарного бетона
- Национальная ассоциация (технического персонала) карьеров строительного гранита
- Национальная ассоциация изготовителей деревянных (строительных) изделий оа overall габаритный (размер) о/a on approval на утверждении (о проекте и тд )
- Национальная ассоциация изготовителей дубовых изделий для покрытия пола (сша)
- Национальная ассоциация по сборному железобетону (сша)
- Национальная ассоциация подрядчиков по выполнению теплоизоляционных работ (сша)
- Национальная ассоциация подрядчиков по устройству кровель
- Национальная ассоциация подрядчиков по устройству настилов покрытий зданий (сша)
- Национальная ассоциация поставщиков товарного бетона
- Национальная ассоциация производителей изделий из лесоматериалов nibs 1. national institute of building
- Национальная ассоциация производителей пиломатериалов
- Национальная ассоциация субподрядных организаций по установке оконных и дверных заполнений (сша)
- In psychology, the cognitive connection between two or more concepts or ideas such that the presence of one tends to evoke the others. in sociology, the process by which people become allied to one another and form groups as the result of such alliances. in statistics, the cooccurance of two or more events with a probability above what would be expected by chance. dissociation is the logical complement of the statistical concept of association.
- A relationship between peer objects.
- In performancepoint planning business modeler, the relationship between a source model and a destination model for the purpose of manipulating the arrangement of interpretive data and aggregating the corresponding numerical measurements.
- The definition of a relationship between entity types.
- The link between a collection and a deployment.
- The mapping of a file extension (for example, .mp3) or protocol (for example, http) to a programmatic identifier (progid). this mapping is stored in the registry as a per-user setting with a per-computer fallback. applications that participate in the default programs system set the association mapping for the file extension or protocol to point to the progid keys that they own.
- The state of being totally connected to, or experiencing, an event, mental or external. the opposite is dissociation (sometimes, disassociation), which is being an objective observer.
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Glazed, английский
Diamonds inset in a bit, the exposed surfaces of which have been rounded and polished by underfeeding at a high rotational speed. see glaze, polish.
Replaceable insert, английский
Diamond inset plates and other geometric forms fastened to and/or supported by the bit blank by brazing or mechanical locking so 73 that they may be replaced when diamond wear exceeds a specified amount.
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