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synthetic sampling - traduzione in russo

LUBRICANT CONSISTING OF CHEMICAL COMPOUNDS THAT ARE ARTIFICIALLY MADE

Synthetic lubricants; Synthetic oils; Synthetic motor oil; Synthetic motor oils

synthetic sampling

математика

метод Монте-Карло

snowball sampling

NONPROBABILITY SAMPLING TECHNIQUE

Snowball sample; Respondent-driven sampling; Snowball method; Snowballed sample

выборка типа "снежный ком"; эмпирическая выборка, не имеющая вероятностного обоснования, формируется, когда трудно очертить границы генеральной совокупности путем целенаправленного отбора экспертов и так называемых "редких элементов", которые после интервью могут указать следующий элемент и так далее (используется при изучении закрытых социальных групп - религиозных сект, банд и т.п.).

analytic statement

SEMANTIC DISTINCTION, USED PRIMARILY IN PHILOSOPHY TO DISTINGUISH PROPOSITIONS (IN PARTICULAR, STATEMENTS THAT ARE AFFIRMATIVE SUBJECT–PREDICATE JUDGMENTS) INTO TWO TYPES: ANALYTIC PROPOSITIONS AND SYNTHETIC PROPOSITIONS

Analytic proposition; Synthetic proposition; Analytic statement; Synthetic statement; Synthetic a priori; Synthetic judgment; Synthetic reasoning; Analytic/synthetic distinction; Analytic and synthetic; Synthetic truth; Synthetic-analytic distinction; Analytic and synthetic statements; Analytic knowledge; Analytic and synthetic knowledge; Analytic Proposition; Analytic-synthetic distinction; Analytic–synthetic dichotomy; Analytical-synthetic distinction; Analytic-synthetic dichotomy

математика

аналитическое высказывание

Definizione

Nyquist Theorem

<communications> A theorem stating that when an analogue waveform is digitised, only the frequencies in the waveform below half the sampling frequency will be recorded. In order to reconstruct (interpolate) a signal from a sequence of samples, sufficient samples must be recorded to capture the peaks and troughs of the original waveform. If a waveform is sampled at less than twice its frequency the reconstructed waveform will effectively contribute only noise. This phenomenon is called "aliasing" (the high frequencies are "under an alias"). This is why the best digital audio is sampled at 44,000 Hz - twice the average upper limit of human hearing. The Nyquist Theorem is not specific to digitised signals (represented by discrete amplitude levels) but applies to any sampled signal (represented by discrete time values), not just sound. {Nyquist (http://geocities.com/bioelectrochemistry/nyquist.htm)} (the man, somewhat inaccurate). (2003-10-21)

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Wikipedia

Synthetic oil

Synthetic oil is a lubricant consisting of chemical compounds that are artificially modified or synthesised. Synthetic lubricants can be manufactured using chemically modified petroleum components rather than whole crude oil, but can also be synthesized from other raw materials. The base material, however, is still overwhelmingly crude oil that is distilled and then modified physically and chemically. The actual synthesis process and composition of additives is generally a commercial trade secret and will vary among producers.

Synthetic oil is used as a substitute for petroleum-refined oils when operating in extreme temperature. Aircraft jet engines, for example, require the use of synthetic oils, whereas aircraft piston engines do not. Synthetic oils are also used in metal stamping to provide environmental and other benefits when compared to conventional petroleum and animal-fat based products. These products are also referred to as "non-oil" or "oil free".

https://en.wikipedia.org/wiki/Synthetic oil

Traduzione di &#39synthetic sampling&#39 in Russo