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abrasion drilling

См. также в других словарях:

  • drilling cable — noun Etymology: drilling from gerund of drill (IV) : a cordage product made of three ropes twisted together with a left lay, having the surface treated with lubricant to resist abrasion, heat, and water, and used as the line to which drilling… …   Useful english dictionary

  • abrasion test — n. test carried out in a laboratory for evaluating drilling grade weighting material for possible abrasiveness; test performed to determine the capacity of withstanding the effects of rubbing and abrasion of printing ink …   English contemporary dictionary

  • Knee cartilage replacement therapy — Articular cartilage, most notably that which is found in the knee joint, is generally characterized by very low friction, high wear resistance, and poor regenerative qualities. It is responsible for much of the compressive resistance and load… …   Wikipedia

  • GEOGRAPHICAL SURVEY — Names The name Ereẓ Israel (the Land of Israel) designates the land which, according to the Bible was promised as an inheritance to the Israelite tribes. In the course of time it came to be regarded first by the Jews and then also by the… …   Encyclopedia of Judaism

  • hand tool — any tool or implement designed for manual operation. * * * Introduction  any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …   Universalium

  • Abrasive — An abrasive is a material, often a mineral, that is used to shape or finish a workpiece through rubbing which leads to part of the workpiece being worn away. While finishing a material often means polishing it to gain a smooth, reflective surface …   Wikipedia

  • materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …   Universalium

  • Opportunity rover — (MER B) Opportunity in April 2003 Operator NASA Mission type Rover …   Wikipedia

  • Trepanation in Mesoamerica — has been practised by a number of pre Columbian cultures in the Mesoamerican region, dating from at least the mid Preclassic era (ca. 1500 BCE), and continuing up to the late Postclassic, or ca. 1200 CE. [See summary in Romero (1970).]… …   Wikipedia

  • Machining — Machine shop redirects here. For the record label, see Machine Shop Recordings. New Guinea in 1943. Mobile Machine Shop truck of the US Army with machinists working on automotive parts. Conventional machining is a form of subtractive… …   Wikipedia

  • Cutting tool (machining) — In the context of machining, a cutting tool (or cutter) is any tool that is used to remove material from the workpiece by means of shear deformation. Cutting may be accomplished by single point or multipoint tools. Single point tools are used in… …   Wikipedia

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