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Found 4 essays matching the above criteria.

  1. 1. Palaeomagnetism and Magnetic Fabrics of The Lake Natron Escarpment Volcano-sedimentary Sequence, Northern Tanzania

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Gülsinem Polat Wiers; [2019]
    Keywords : Natron Escarpment; Northern Tanzania; Paleomagnetism; Geomagnetic Polarity Time Scale; Anisotropy of Magnetic Susceptibility;

    Abstract : The East African Rift System diverges in the Lake Natron Basin of Northern Tanzania and is a major zone of continental extension and crustal thinning with resulting in active tectonics and volcanism. The discovery of Acheulean technology in Olduvai Gorge and Peninj as well as the presence of significant volcanic centers, has made in the region subject to studies in various disciplines. READ MORE

  3. 2. A Study on Interface Circuits for Piezoelectric Energy Harvesting

    University essay from Linköpings universitet/Elektroniska Kretsar och System

    Author : Tang Honghao; [2018]
    Keywords : interface circuit; PEH system; switch;

    Abstract : A piezoelectric energy harvesting (PEH) system can harvest electrical energy from ambient vibration energy. In a PEH system, the interface rectifier circuit is critical because it converts AC from the output of piezoelectric harvester to DC that can power the load. READ MORE

  4. 3. Optimization of Magnetic Resonance Diffusion Tensor Imaging for Visualization and Quantification of Periprostatic Nerve Fibers

    University essay from KTH/Skolan för teknik och hälsa (STH)

    Author : Mats Nordbrøden; [2015]
    Keywords : Diffusion tensor imaging; Diffusion-weighted imaging; Magnetic resonance imaging; Nerve-sparing prostatectomy; Prostate cancer; Quantitative analysis; Tractography;

    Abstract : Prostatectomy, surgical resection of the whole prostate is a common treatment for high- risk prostate cancer. Common side effects include long-time urinary and or erectile dysfunction due to damage inflicted to periprostatic nerves. READ MORE

  5. 4. It's simple isn't it? Investigating Swedish Pupils* Command of Canonical Question Tags with Reverse Polarity at Different Stages of Learning

    University essay from Göteborgs universitet/Institutionen för språk och litteraturer

    Author : Hans Brasch; [2013-06-28]
    Keywords : canonical question tags; canonical tag questions; reverse polarity; developmental sequences in second language acquisition; contrastive analysis;

    Abstract : This essay investigates Swedish pupils' command of canonical question tags with reverse polarity in written English at different stages of learning. 22 pupils in 6th grade and 23 pupils in 9th grade completed a set of tag questions which required either a form of "to be", "to have", "to do" or a modal verb in the question tag. READ MORE