Results 21 to 30 of about 13,274 (262)
Shipin gongye ke-ji, 2023 Objective: To obtain artificial pure strain of porcini and improve the ability of liquid culture mycelium and production of triterpenoid. Methods: The fresh wild Boletaceae fruit bodies from Yunnan were used for the study, and the parent pure strain was ...
Wei XU +6 more
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Nominal and Actual Values of Inductor and Capacitor Parameters at High Frequencies
Российский технологический журнал, 2019 Coil inductance and capacitor capacitance depend on overall dimensions, structure, and ambient factors. They do not vary with frequency. Reactive component impedance is determined by inductance or capacitance respectively, if active resistance is not ...
E. V. Gurov +3 more
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ASPECTS REGARDING THE ELECTROTHERMAL HEATING THROUGH ELECTROMAGNETIC INDUCTION [PDF]
Annals: Series on engineering sciences (Academy of Romanian Scientists), 2009 The paper present the numerical modeling of the electromagnetic phenomena coupled with the thermic ones when processing the semi-finished products made up of non-ferrous alloy, through electromagnetic induction with the purpose to obtain a homogenous ...
Teodor LEUCA, Claudiu MICH-VANCEA
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Current derivative measurement using closed-loop hall-effect current sensor
The Journal of Engineering, 2019 This paper discusses a method of the current derivative measurement using a standard closed-loop Hall-effect current sensor. The proposed method can operate with PWM-driven inverters and provides the estimation of motor-phase inductances required for an ...
A. Anuchin +5 more
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Measuring Impedances of DC-biased Inductors by Using Vector Network Analyzers [PDF]
International Journal of Electronics and Telecommunications, 2019 This paper is devoted to a detailed experimentally based analysis of applicability of vector network analyzers for measuring impedance of surface mount inductors with and without DC bias.
G. Asmanis +3 more
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Electrical engineering & ElectromechanicsIntroduction. For many modern manufacturing processes, induction heating provides an attractive combination of speed, consistency and control. Multi-inductor (zone) systems with continuous billets feed are the most promising, which keep the billet cross ...
V. Yu. Grytsiuk, M. A. M. Yassin
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Медицинский совет, 2016 Jodantipyrin® is an inductor of endogenous interferon (IFN) which is used in the treatment of a variety of viral infections, including tick-borne encephalitis (TBE) and influenza. The purpose of the study was to evaluate the effectiveness of Jodantipyrin®
A. V. Lepekhin +6 more
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Fractional-order model of a non-linear inductor [PDF]
Bulletin of the Polish Academy of Sciences: Technical Sciences, 2019 This paper adopts a fractional calculus perspective to describe a non-linear electrical inductor. First, the electrical impedance spectroscopy technique is used for measuring the impedance of the device.
A.M. Lopes, J.A. Tenreiro Machado
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A Multi-Objective PFC Boost Inductor Optimal Design Algorithm Based on Pareto Front
EnergiesIn this study, the inductor optimization design is performed by applying the Pareto optimization technique. As environmental problems emerge, the electric vehicle market is expanding, and accordingly, volume reduction and high efficiency of the onboard ...
Ye-Ji Hyeon +3 more
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Generalised relations between P- and Y-matrices and their applications
The Journal of Engineering, 2014 The P-matrix is commonly used to analyse surface acoustic waves (SAW) elements such as the interdigital transducer (IDT) but, when some IDTs are connected through their acoustic ports, their frequency response could be calculated easily in terms of their
Jaime Octavio Guerra-Pulido +1 more
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