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Found 4 essays matching the above criteria.

  1. 1. Attitudes Towards Log4j : A Sentiment Analysis Study on Twitter Data

    University essay from Uppsala universitet/Institutionen för informatik och media

    Author : Isabelle Froissart; Julia Ring; [2022]
    Keywords : Sentiment; attitude; Twitter; sentiment analysis; Log4j; opinion;

    Abstract : A major security risk with the use of a Java logging library called Log4j was discovered in November 2021. The vulnerability meant that all Java applications using Log4j could be exploited by hackers through remote code execution. READ MORE

  2. 2. Experimental characterization of focal ratio degradation of optical fibers due to various coupling technologies

    University essay from Uppsala universitet/Institutionen för materialvetenskap

    Author : Isabella Rudengren; Julia Dahlberg; [2021]
    Keywords : Focal ratio degradation; Optical fibers; Light losses; Coupling technologies; Fusing technology; FRD; Collimated beam test;

    Abstract : The goal of this project was to develop a measuring method and software code to determine and compare the focal ratio degradation of optical fibers for two different coupling technologies. One of the couplings used a fusing technology to splice the fiber, and the other coupling used a refractive index matching technology. READ MORE

  3. 3. Vibration analysis for condition monitoring of mechanical presses

    University essay from Lunds universitet/Industriell Produktion

    Author : Julia Runesson; [2019]
    Keywords : Vibration analysis; Predictive maintenance; Condition monitoring; Mechanical press; Press maintenance; PSD; DFT FFT; RMS; Kurtosis; Technology and Engineering;

    Abstract : In a world where the concept of just-in-time has been lifted outside of the manu-facturing world and onto the market, the increasing demand of luxury wares like cars is accompanied only by tougher industrial conditions and no room for error. Loss of productivity and decrease in efficiency can be devastating to any manufac-turing company in today’s market climate. READ MORE

  4. 4. Physiological responses to drought in healthy and stressed trees : a comparison of four species in Oregon, USA

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Julia Kelly; [2016]
    Keywords : tree-rings; water potential; geography; physical geography; drought; Earth and Environmental Sciences;

    Abstract : Four tree species in Oregon (USA) were studied to examine physiological and structural responses to drought stress: ponderosa pine (Pinus ponderosa) and western juniper (Juniperus occidentalis) in a semi-arid ecoregion, and Douglas-fir (Pseudotsuga menziesii) and white oak (Quercus garryana) in a mesic coastal ecoregion. This investigation compared the response of paired healthy and stressed (. READ MORE