Essays about: "inter dependence"

Showing result 1 - 5 of 20 essays containing the words inter dependence.

  1. 1. Doping Layers in Quantum Cascade Lasers: A study in doping density, position and migration effects

    University essay from Lunds universitet/Matematisk fysik

    Author : Josefin Reftlér; [2022]
    Keywords : Physics and Astronomy;

    Abstract : Quantum Cascade Lasers (QCLs) consist of several semiconductor materi- als sandwiched together. The QCL achieves stimulated emission in the mid-IR (m-IR) to the THz region of the electromagnetic spectrum by inter-subband transitions. These parts of the electromagnetic spectrum are hard to lase in with conventional means. READ MORE

  3. 2. Bootstrapping Annotated Job Ads using Named Entity Recognition and Swedish Language Models

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Anna Nyqvist; [2021]
    Keywords : labour market; named entity recognition; natural language processing; BERT; data annotation; inter-annotator agreement; arbetsmarknad; namngiven entitetsigenkänning; naturlig språkbehandling; BERT; dataannotering; interannoterar-överenskommelse;

    Abstract : Named entity recognition (NER) is a task that concerns detecting and categorising certain information in text. A promising approach for NER that recently has emerged is fine-tuning Transformer-based language models for this specific task. However, these models may require a relatively large quantity of labelled data to perform well. READ MORE

  4. 3. Groundwater resources and vulnerability for mountain communities in the Andes

    University essay from Stockholms universitet/Institutionen för naturgeografi

    Author : Raheela Fahd; [2020]
    Keywords : ;

    Abstract : The purpose of the thesis is to review the effect of ongoing climate change and population growth ongroundwater resources of Katari Basin (Bolivian Andes) and the consequence of reduced groundwaterresources on the quality of water. El Alto city, situated in the Katari basin is most vulnerable to thewater shortage because of climate change and high population growth rate. READ MORE

  5. 4. Coulomb drag in parallel nanowires

    University essay from Lunds universitet/Fasta tillståndets fysik; Lunds universitet/Fysiska institutionen

    Author : David Dai; [2020]
    Keywords : Coulomb drag; nanowire; Physics and Astronomy;

    Abstract : In this project the transport phenomenon Coulomb drag is studied in a 1D system comprised of two nanowires in parallel. Specifically, a driving current across the active wire generated a drag current in the passive wire, and we studied how Coulomb drag influenced both the driving and drag currents. READ MORE

  6. 5. Mechanical properties of SiC nanowires with polytypes

    University essay from Lunds universitet/Fasta tillståndets fysik; Lunds universitet/Fysiska institutionen

    Author : Anders Vesti; [2019]
    Keywords : atomistic modeling; nanowires; molecular dynamics; simulation; SiC; silicon carbide; fracture behavior; nanomechanics; Physics and Astronomy;

    Abstract : In this report, we model the mechanical properties and fracture behavior of SiC nanowires with different polytypes using Molecular Dynamics (MD) simulations. The mechanical properties investigated are the Young’s modulus, the maximum tensile stress and the fracture strain. The three polytype tested are SiC (3C), (2H) and (4H). READ MORE