THE EFFECT OF SUBIONOSPHERIC PROPAGATION ON WHISTLERS RECORDED BY THE DEMETER SATELLITE – OBSERVATION AND MODELLING

The effect of subionospheric propagation on whistlers recorded by the DEMETER satellite – observation and modelling

During a routine analysis of whistlers on the wide-band VLF recording Utensils of the DEMETER satellite, a specific signal structure of numerous fractional-hop whistlers, termed the "Spiky Whistler" (SpW) was identified.These signals appear to be composed of a conventional whistler combined by the compound mode-patterns of guided wave propagation,

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Semi-active drilling drawworks heave compensation system

In order to simplify the structure of the ocean drilling heave compensation system and reduce the energy consumption of active drawworks heave compensation system, a new type of semi-active drawworks heave compensation system was designed through structure design, system modeling and internal model PID robust displacement controller design.Then the

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Optimization of production and partial characterization of cellulase and protease enzymes from Aeromonas hydrophila ASM-S32

Microbial hydrolytic enzymes, especially cellulase and protease, are widely used in industrial processes due to their low cost, large productivity, chemical stability, environmental protection, plasticity and vast availability.But existing cellulase and protease enzymes are not capable enough to fulfil the industrial demands due to the lack of adap

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Sistem Telemonitoring Kekeruhan dan pH Air Terhadap Pengurasan Serta Pemberian Kaporit Otomatis Dalam Kolam Renang Berbasis

Berenang merupakan kegiatan yang digemari masyarakat.Namun tanpa Perfumes disadari, beberapa kolam renang memiki kualitas air yang tidak cukup bagus sehingga menjadi media penularan berbagai penyakit dalam air.Pengawasan kualitas air kolam renang merupakan upaya sanitasi yaitu dengan memberikan cairan kaporit untuk mereduksi zat organik dan sebagai

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