Search for dissertations about: "Qi Qi"

Showing result 21 - 25 of 73 swedish dissertations containing the words Qi Qi.

  2. 21. Electrochemical capacitors for miniaturized self-powered systems: challenges and solutions

    Author : Qi Li; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; bipolar; encapsulation; carbon; supercapacitors; miniaturized self-powered systems; electrochemical capacitors; redox electrolytes; energy storage; a.c. line filters;

    Abstract : Electrochemical capacitors (ECs), also known as supercapacitors, are recognized as a key technology that will enable miniaturized self-powered systems, which will constitute the hardware base nodes of the internet of things (IoT), the internet of everything (IoE) and the tactile internet. Systems employing ECs can be designed to be maintenance-free thanks to the ultra-long cycling stability of ECs. READ MORE

  4. 22. Mechanisms of secretagogue action in isolated parietal cells

    Author : Zhao-Qi Li; Frank Sundler; Linköpings universitet; []
    Keywords : MEDICINE; MEDICIN;

    Abstract : The mechanisms of secretagogue action and various intracellular events in isolated pig and rat gastric parietal cells were investigated. The response to gastrin in aminopyrine accumulation, an index of the acid produced and n·apped by the cells, was ilifferent in pig and rat parietal cells. READ MORE

  5. 23. Reinforcement in Biology : Stochastic models of group formation and network construction

    Author : Qi Ma; David Sumpter; Edward Codling; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; reinforcement in biology; merge and split model; preferential attachment; reinforced random walk; network construction; shortest path problem; transport networks; ant algorithm; slime mould; physarum polycephalum; speed-accuracy tradeoff.; Mathematics with specialization in Applied Mathematics; Matematik med inriktning mot tillämpad matematik;

    Abstract : Empirical studies show that similar patterns emerge from a large number of different biological systems. For example, the group size distributions of several fish species and house sparrows all follow power law distributions with an exponential truncation. READ MORE

  6. 24. Fixed points, fractals, iterated function systems and generalized support vector machines

    Author : Xiaomin Qi; Sergei Silvestrov; Anatoliy Malyarenko; Daniel Andren; Viktor Abramov; Mälardalens högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; support vector machine; fixed points; iterated function system; variational inequality; Mathematics Applied Mathematics; matematik tillämpad matematik;

    Abstract : In this thesis, fixed point theory is used to construct a fractal type sets and to solve data classification problem. Fixed point method, which is a beautiful mixture of analysis, topology, and geometry has been revealed as a very powerful and important tool in the study of nonlinear phenomena. READ MORE

  7. 25. Comparative studies of modern methods for caries detection and quantification

    Author : Xie-Qi Shi; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : In clinical dentistry proper treatment of caries lesions is highly dependent on diagnostic accuracy. Aim: The present dissertation aimed at the evaluation and comparisons between several modem methods for caries detection and quantification. READ MORE