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237  Articles
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Abstrak. Penelitian ini bertujuan untuk mengetahui karakteristik karbon aktif dalam aplikasi elektroda karbon dari tempurung kelapa serta pengaruh jenis dari aktivator yang digunakan terhadap kapasitansi elektroda karbon dari tempurung kelapa. Karbon yang... see more

Abstrak. Penelitian ini bertujuan untuk mengetahui karakteristik karbon aktif dalam aplikasi elektroda karbon dari tempurung kelapa serta pengaruh jenis dari aktivator yang digunakan terhadap kapasitansi elektroda karbon dari tempurung kelapa. Karbon yang... see more

Capacitance micromachined ultrasonic transducers (CMUTs) have become an attractive alternative to the piezoelectric transducers, especially in air-coupled nondestructive evaluation (NDE) and ultrasound medical imaging flow metering,  micro/nanoelectr... see more

 Applicability of root electrical capacitance (EC) measurement for monitoring of crop–weed competition was studied in a pot experiment. Maize (Zea mays L.) was grown both alone and with Echinochloa crus-galli or Abutilon theophrasti in different dens... see more

The prominence of 8π in cosmological solutions regarding the structure of space might be accommodated by factors other than the presence of mass. When the total set is considered a LC (inductance-capacitance) circuit, the “time constant†differs from ... see more

The scheme of signal processing system of frequency and capacitance intelligent sensor which does not require the inclusion of devices such as a microprocessor, microcontroller or programmable logic controller is described. When using the scheme of linear... see more

 The paper describes a novel operational amplifier voltage controlled oscillator circuit whichcan be used in frequency range exceeding unity gain bandwidth. The voltage controlledoscillator topology is based on the operational amplifier negative capa... see more

In power electronic converters, reliability of DC-link capacitors is one of the critical issues. The estimation of their health status as an application of condition monitoring have been an attractive subject for industrial field and hence for the academi... see more

In microbial cultivations there is a great need for online biomass determination, especially in such cases, where classical methods have limitations. Capacitance-based sensors are developed and widely used in stem cell and other cell cultures [1, 2].In th... see more

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