(Spor) Viraja, arkadan kayma açısının öne göre daha fazla olması ve sürücünün virajın acısına göre aracını ayarlaması sonucu oluşan, viraj içersinde ilerleyerek, gerektiğinde direksiyona ters kontralar vererek (örn. viraj sola ilerliyor ise direksiyonu sağa çevirerek) otomobil sürme tekniğidir
(Askeri) DERİVOMETRE: Yandan esen rüzgar altında uçan bir uçağın istikametini ve yana düşüş durumunu tespit eden alet. Derivometre, görerek kerteriz almada ve zaman ayarı ile yer süratini ölçmede de kullanılır
(Askeri) DÜŞME ŞAMANDIRASI: Yana düşüş oranını tespit edip seyrüseferi kolaylaştırmak veya su üstü gemilerine yardım için bir bölgeyi veya cismi işaretlemek üzere, su üstünde uçan bir uçak tarafından bırakılan, yüzücü işaret. Şamandıra su sathına çarptığı zaman alev, duman veya madeni bir toz çıkarır
(Askeri) RÜZGAR VE TABİİ YAN DÜZELTME ÇİZELGESİ: Çeşitli mesafelerde ve rüzgarın değişik süratle esişleri sırasında, merminin seyri üzerinde meydana gelecek tesiri karşılamak üzere, nişangahta yapılacak düzeltme miktarını gösterir çizelge
be in motion due to some air or water current; "The leaves were blowing in the wind"; "the boat drifted on the lake"; "The sailboat was adrift on the open sea"; "the shipwrecked boat drifted away from the shore"
A change in output over a period of time independent of input, environment or load For power supplies, the change in DC output as a function of time at constant line voltage, load, and ambient temperature Normally specified for an eight hour period after a half hour warm-up
something that is heaped up by the wind or by water currents a force that moves something along the gradual departure from an intended course due to external influences (as a ship or plane) a process of linguistic change over a period of time be piled up in banks or heaps by the force of wind or a current; "snow drifting several feet high"; "sand drifting like snow"
move about aimlessly or without any destination, often in search of food or employment; "The gypsies roamed the woods"; "roving vagabonds"; "the wandering Jew"; "The cattle roam across the prairie"; "the laborers drift from one town to the next"; "They rolled from town to town"
That causes drifting or that is drifted; movable by wind or currents; as, drift currents; drift ice; drift mud
A magnetically trapped ion or electron moves as if it were attached to a magnetic field line Drift is one of the features of such motion, namely its slow shift from one magnetic field line to its neighbor In the Earth's magnetic field, such drifts gradually move particles all the way around Earth Viewed from far above the north magnetic pole, ions drift around the Earth clockwise, electrons counter-clockwise, resulting in an electric current circling the Earth, the ring current
The material left behind by the retreat of continenal glaciers. It buries former river valleys and creates young river valleys. The Diftless Area, a geographical area of North America, was unglaciated for the past 510 million years. Mass noun
Usually refers to instrument drift, the presumed secular change in gravity caused by changes in the instrument sensor and other internal components It is usually modeled as an exponential, linear or quadratic function of time
the gradual departure from an intended course due to external influences (as a ship or plane)
When something drifts somewhere, it is carried there by the movement of wind or water. We proceeded to drift on up the river The waves became rougher as they drifted
The change in the output voltage of a power converter over a specified period of time All other operating parameters (load, line, etc ) are assumed to be held constant Often specified as starting after a warm-up period
A tool or implement, usually made of antler, which is used in the indirect percussion flaking process
a horizontal (or nearly horizontal) passageway in a mine; "they dug a drift parallel with the vein" general meaning or tenor; "caught the drift of the conversation" a general tendency to change (as of opinion); "not openly liberal but that is the trend of the book"; "a broad movement of the electorate to the right" something that is heaped up by the wind or by water currents a force that moves something along the gradual departure from an intended course due to external influences (as a ship or plane) a process of linguistic change over a period of time be piled up in banks or heaps by the force of wind or a current; "snow drifting several feet high"; "sand drifting like snow" be subject to fluctuation; "The stock market drifted upward" drive slowly and far afield for grazing; "drift the cattle herds westwards" cause to be carried by a current; "drift the boats downstream" move in an unhurried fashion; "The unknown young man drifted among the invited guests" vary or move from a fixed point or course; "stock prices are drifting higher
Continental drift is the slow movement of the Earth's continents towards and away from each other. The movement, formation, or re-formation of continents described by the theory of plate tectonics. the very slow movement of the continents across the Earth's surface. Large-scale movements of continents over the course of geologic time. The first complete theory of continental drift was proposed in 1912 by Alfred Wegener, who postulated that a single supercontinent, which he called Pangaea, fragmented late in the Triassic Period (248-206 million years ago) and the parts began to move away from one another. He pointed to the similarity of rock strata in the Americas and Africa as evidence to support his hypothesis. Wegener's ideas were widely rejected until they were combined with Harry H. Hess's seafloor spreading hypothesis in the 1960s. The modern theory states that the Americas were joined with Europe and Africa until 190 million years ago, when they split apart along what is now the Mid-Atlantic Ridge. Subsequent tectonic plate movements brought the continents to their present positions
Random fluctuations in the frequency of the appearance of a gene in a small isolated population, presumably owing to chance rather than natural selection. Change in the pool of genes of a small population that takes place strictly by chance. Genetic drift can result in genetic traits being lost from a population or becoming widespread in a population without respect to the survival or reproductive value of the gene pairs (alleles) involved. A random statistical effect, genetic drift can occur only in small, isolated populations in which the gene pool is small enough that chance events can change its makeup substantially. In larger populations, any specific allele is carried by so many individuals that it is almost certain to be transmitted by some of them unless it is biologically unfavourable
Genes are inherently digital, in that an individual has an integer number of copies of each gene, and its children inherit an integer number of them That is, an individual cannot have half a gene While fitness may play a part in how many children inherit how many copies of a gene, in each individual child there is a large element of chance Genetic drift is where random (i e not related to fitness) fluctuations in the genetic material in the population occur and lead to macroscopic changes to the population Naturally genetic drift is more important in smaller rather than larger populations
Refers to the constant tendency of genes to evolve even in the absence of selective forces Genetic drift is fueled by spontaneous neutral mutations that disappear or become fixed in a population at random Inbred lines separated from a common ancestral pair can drift rapidly apart from each other
(1) The sedimentary material moved in the littoral zone under the influence of waves and currents (2) (SMP) The mud, sand, or gravel material moved parallel to the shoreline in the nearshore zone by waves and currents
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