Essays about: "durable"

Showing result 6 - 10 of 249 essays containing the word durable.

  1. 6. Tuning physical and chemical attributes of the synthetic implant poly(L-lactic acid) and its effects on biological stimulation

    University essay from

    Author : Gabriella Sverlinger; Felicia Norman; Nora Othman; Wilma Hämäläinen; Michaela Thyberg; Maja Jonsson; [2023]
    Keywords : Polylactic acid; degradation rate of PLLA; physio- chemical properties of PLA; injectable PLLA;

    Abstract : Poly(lactic acid) (PLA) is a polymer chain consisting of repeating units of lactic acid (LA) used in various biomedical applications because of its biocompatible features. It is commonly used as a subdermal filler and constitutes as the main ingredient in SculptraR, which is a collagen regenerating filler used to treat lipoatrophy of the cheeks or to rejuvenate the skin. READ MORE

  3. 7. The effect of material properties on PEM fuel cell catalysts on durable oxidation reduction activity

    University essay from KTH/Kemiteknik

    Author : Xiaoling Jiang; [2023]
    Keywords : PEM fuel cell; catalyst; ORR activity; particle size; degradation; PEM-bränslecell; katalysator; syrgasreduktionsaktivitet; partikelstorlek; åldring;

    Abstract : I detta examensarbete utforskas påverkan av partikelstorleken hos Pt-katalysatorer på kolbärare på syrereduktionen i polymerelektrolytmembran (PEM)-bränsleceller. Den elektrokemiskt aktiva ytarean, aktiviteten för syrereduktion och tillhörande degraderingshastigheter för de undersökta katalysatorerna beräknas och jämförs. READ MORE

  4. 8. Embodying the transformation: An exploration of the role of art-based approaches in achieving a just and sustainable city through citizen participation in Malmö

    University essay from Lunds universitet/LUCSUS

    Author : Rabea Sorka Sophie Tzschabran; [2023]
    Keywords : sustainability science; creative placemaking; experiential learning; inner transformation; Social Sciences;

    Abstract : The exposure of societies to climate change requires cities to adequately respond to increasing environmental pressures while ensuring the well-being of citizens. Here, sustainable urban planning is an important tool. READ MORE

  5. 9. Weight Optimization of Vertical-Axis Wind Turbine Blades constructed in Swedish Fossil Free Steel : With respect to fatigue life time

    University essay from Linnéuniversitetet/Institutionen för maskinteknik (MT)

    Author : Johannes Hall; Albin Larsson; [2023]
    Keywords : VAWT; Wind Turbine Blade; SSAB; Fossil-Free; Weight Optimization; Topology Optimization; Sizing Optimization; NACA 0018; STRENX 1300; Abaqus; Tosca Structure; VAWT; Vindturbinblad; SSAB; Fossilfritt; Viktoptimering; Topologioptimering; Size-Optimering; NACA 0018; STRENX 1300; Abaqus; Tosca Structure;

    Abstract : Wind turbines have been utilized for centuries to harness energy from the wind. Commercial wind turbine blades are typically made from composite materials, which are difficult to recycle, leading to blades ending up in landfills at the end of their lifecycle. Additionally, these materials contribute to microplastic pollution. READ MORE

  6. 10. Reusable Takeaway Containers: Disposable to Durable - A feasibility study of transition towards reusable takeaway containers in Sweden

    University essay from Lunds universitet/Institutionen för tjänstevetenskap

    Author : Deepshikha Bholanath Singhania; Sadia Hassan; [2023]
    Keywords : takeaway; reusable packaging; multi-use takeaway containers; single-use to multi-use; deposit return system; circular economy; theory of planned behavior; Sweden.; Social Sciences;

    Abstract : Ever growing environmental impact due to human activities has increased efforts globally to tackle the issues by promoting sustainable behavior. Similar efforts are also being made to handle the waste and litter problem of single-use takeaway food packaging. READ MORE