Essays about: "adaptive radiation"

Showing result 1 - 5 of 16 essays containing the words adaptive radiation.

  1. 1. Research of appropriate luminance level of monitor screens in workplace

    University essay from Högskolan Dalarna/Informatik

    Author : Mengfei Wang; Shiqi Shu; [2023]
    Keywords : Screen brightness; Paradigm Color; Lighting conditions; Human eye preference; skärmens ljusstyrka; Paradigm färg; ljusförhållanden; Mänskliga ögonpreferenser;

    Abstract : MÅL: Huvudsyftet med den här studien är att undersöka hur naturligt ljus påverkar det mänskliga ögats preferens för skärmens ljusstyrka när man tittar på en datorskärm. METODER: Tre experiment genomförs för att mäta i vilken utsträckning solljus förändrar bakgrundsljuset i form av solstrålning. READ MORE

  3. 2. Optimization of MP2RAGE sequence parameters for head and neck T1-mapping and OE-MRI

    University essay from

    Author : Ellen Börjesson; [2022-05-04]
    Keywords : Medical physics; MRI; OE-MRI; MP2RAGE; T1-mapping;

    Abstract : Cancer is the collective name for more than 200 types of diseases that annually causes the death of 8.8 million people, cancer in the head and neck (H&N) accounts for 330.000 of these. It has been shown that hypoxic tumors are more resistant to treatment than well oxygenated tumors. READ MORE

  4. 3. Verification measurements on MRI-linac with PTW BEAMSCAN MR

    University essay from Umeå universitet/Institutionen för fysik

    Author : Olivia Kvarnlöf; [2022]
    Keywords : ;

    Abstract : In radiotherapy the main goal is to kill cancer cells, prevent them from growing and reproducing, while healthy tissue is spared. One technique to treat cancer is to use external radiotherapy where a linear accelerator (linac) is used to generate a high energy radiation photon beam. READ MORE

  5. 4. Diversification of predators in multi-trophic communities: A trait-based theoretical approach

    University essay from Lunds universitet/Examensarbeten i bioinformatik

    Author : Julio Antonio Ayala Lopez; [2022]
    Keywords : Biology and Life Sciences;

    Abstract : One of the main challenges in ecology and evolutionary biology is to understand how biodiversity emerges and is maintained, given the complexity of ecological and evolutionary processes combined. Understanding how multi-trophic interactions occur from a theoretical perspective is highly relevant for our understanding of diversification in complex ecosystems. READ MORE

  6. 5. Analysis of bladder cancer treatment plans generated for online adaptive radiotherapy and validation of an integrated independent dose calculation software

    University essay from Lunds universitet/Sjukhusfysikerutbildningen

    Author : Daria Badika; [2020]
    Keywords : Medicine and Health Sciences;

    Abstract : Purpose: In 2019 Varian EthosTM linear accelerator (Varian Medical Systems, CA, USA) with integrated artificial intelligence (AI) was installed at Herlev Hospital, Copenhagen, Denmark, enabling online adaptive radiotherapy (oART) e.g for bladder cancer patients with a large margin reduction. READ MORE