Essays about: "stress experiment"

Showing result 1 - 5 of 174 essays containing the words stress experiment.

  1. 1. Winter wheat exudates : Improving wheats resilience to drought

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Freja Haverland; [2024]
    Keywords : drought; PGPR; exudates; agriculture; food security;

    Abstract : Wheat (Triticum aestivum) is a crop that dominates the diets of about 35% of the world's human population. But wheat yields can be severely affected by drought. Therefore, in this experiment, root exudation of winter wheat was compared to find out how exudation changes during drought stress. READ MORE

  3. 2. Customizable Contraction Hierarchies for Mixed Fleet Vehicle Routing : Fast weight customization when not adhering to triangle inequality

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

    Author : Martin Larsson; [2023]
    Keywords : Contraction Hierarchies; Customizable Contraction Hierarchies; Vehicle Routing Problem; Battery Electric Vehicles; Mixed Fleet; Kontraktionshierarkier; Anpassningsbara Kontraktionshierarkier; Ruttplanering; Batteridrivna elfordon; Blandad fordonsflotta;

    Abstract : As the transport industry shifts towards Battery Electric Vehicles (BEVs) the need for accurate route planning rises. BEVs have reduced range compared to traditional fuel based vehicles, and the range can vary greatly depending on ambient conditions and vehicle load. READ MORE

  4. 3. Calibration and preparation of the data analysis of the DORN experiment on board the Chang'E 6 lunar mission.

    University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknik

    Author : Íñigo de Loyola Chacartegui Rojo; [2023]
    Keywords : Radon; lunar mission; alpha spectrometry; space instrumentation; performance testing and validation;

    Abstract : As part of the first agreement between the French (CNES) and the Chinese (CNSA) space agencies in terms of space exploration, the DORN instrument will fly on board the Chinese Chang'E 6 mission in 2024. It aims to measure the amount of Radon escaping from the lunar soil to better understand what governs the concentration of this noble gas which contributes to the endogenous origin of the lunar exosphere. READ MORE

  5. 4. Nitrogen fixation in wheat (Triticum aestivum) : effect of Azotobacter salinestris CECT 9690 on N-accumulation

    University essay from SLU/Dept. of Soil and Environment

    Author : John Pålsson; [2023]
    Keywords : Biostimulants; Vixeran; N-uptake; N-concentration; yield; cereals;

    Abstract : Biostimulants are products that can improve nutrient availability, nutrient uptake, nutrient use efficiency and tolerance to abiotic stress with the aim to increase plant growth and yield. During the last decades, the interest in, and market for biostimulants has grown and is expected to have a large compound annual growth rate. READ MORE

  6. 5. Study and optimization of a hexacopter's composite structure

    University essay from KTH/Lättkonstruktioner, marina system, flyg- och rymdteknik, rörelsemekanik

    Author : Helena Delmotte; [2023]
    Keywords : Lightweight structure; Drone; Structural optimization; FEA; Lättviktsstruktur; Drönare; Strukturell optimering; FEA;

    Abstract : Nowadays, the forestry industry still uses heavy machinery damaging both the forest and the soil. The start-up AirForestry is currently developing a sustainable way to thin and harvest trees. With their 6.2m wide electric drone carrying a harvesting tool, they can reach, thin, cut and carry trees without the need for access roads. READ MORE