Results 11 to 20 of about 506 (148)
Lethaia, EarlyView., 2021 Biomineralization is a generic term used to indicate biological‐mediated mineral formation. In carbonate mineralization, nucleation of crystals can be: (1) controlled directly by the organisms, like in the skeletal formation of most metazoans; (2) induced by microbial communities, by indirect precipitation mediated by their metabolic activities; or (3)
Adriano Guido +4 more
wiley +1 more source
The modular education system in rural schools in Tomé-Açu, Pará, Brazil: a participative research
Revista de Ensino de Ciências e Matemática, 2022 This article presents the results of a qualitative study developed in 2019. The aim was to know and discuss obstacles and possibilities to promote adequate education to fulfill the needs of middle-school students.
Maria Michelle Lima da Silva de Oliveira Oliveira +1 more
doaj +1 more source
Computer based speed control application for universal motor
MANAS: Journal of Engineering, 2023 In this study, speed control of alternative current (AC) universal motor is made in a computerized manner using PIC16F84A and PIC18F2550. AC universal motor speed control is realized by triggering the motor power circuit, triac with the phase angle ...
Emin Ağrali, Sabir Rüstemli
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Вестник Самарского государственного технического университета. Серия: Технические науки, 2020 The paper is devoted to the optimal inductor design for surface hardening of steel cylindrical billets. The heating stage of surface induction hardening is considered as an object with distributed parameters, which unknowns are design characteristics of ...
Anton V. Popov
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Two-channel time-optimal control of induction heating process with maximum temperature constraint
Вестник Самарского государственного технического университета. Серия: Технические науки, 2020 The formulation and method of solution of the problem of time-optimal control of induction heating process of an unlimited plate with two control actions on the value of internal heat sources with technological constraint in relation to a one-dimensional
Natalya A. Il`ina
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Qualitative methods: an alternative view [PDF]
BMJ, 2011 Are qualitative and quantitative research really based on different philosophies? John Paley and Richard Lilford argue that the idea that qualitative research is constructivist should not be allowed to diffuse into medical literature unopposed.
Paley, John, Lilford, Richard J
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Effective computational procedure of the alternance optimization method
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2019 The article discusses the computational procedure of the alternance optimization method as applied to the problem of semi-infinite programming. These problems are reduced numerous applied problems of optimization of objects with distributed and lumped ...
Mikhail Yur'evich Livshits +1 more
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Rhythmanalysis of Urban Events: Empirical Elements from the Montreux Jazz Festival
Urban Planning, 2020 This article proposes an original approach to urban events mapping. At the theoretical level, the article is based on rhythmanalysis and recent research on urban rhythms.
Guillaume Drevon +4 more
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Alternatives To The MCMC Method [PDF]
AIP Conference Proceedings, 2004 The Markov Chain Monte Carlo method (MCMC) is often used to generate independent (pseudo) random numbers from a distribution with a density that is known only up to a normalising constant. With the MCMC method it is not necessary to compute the normalising constant (see e.g. Tierney, 1994; Besag, 2000).
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Structural-parametric identification of boundary conditions in inverse heat conduction problems using an ensemble of correctness classes [PDF]
Известия Саратовского университета. Новая серия: Математика. Механика. ИнформатикаAn approach to structural-parametric identification of boundary conditions of technological thermal physics processes based on the solution of inverse heat conduction problems is proposed.
Diligenskaya, Anna Nikolayevna +1 more
doaj +1 more source