Essays about: "a stone"

Showing result 1 - 5 of 375 essays containing the words a stone.

1. 1. Decay Chains of Fast Alpha Emitters in the Actinide Region

   University essay from Lunds universitet/Fysiska institutionen; Lunds universitet/Partikel- och kärnfysik

   Author : Tanvir Sayed; [2024]
   Keywords : alpha decay; alpha emissions; fine structure; decay chain; decay scheme; alpha spectrometry; actinide; nucleus; nuclear structure; nuclear states; energy levels; uranium isotopes; U310 experiment; parasitic runs; decay station; TASISpec ; moving window deconvolution; digitisers; alpha-gamma coincidence; 221-Th decay; fine structure of alpha decay to 217-Ra; GSI; Gamow s theory; Geiger-Nuttall; chain search; short half-lives; Physics and Astronomy;

   Abstract : With the advent of increasingly advanced spectroscopic instruments after the turn of the century, it has become accessible to unravel the structure of instantly ‘vanishing’ nuclei, with lifetimes as short as 1 μs, and responsible for pile-up events in analog electronics. Experimental data has been recorded by the Nuclear Structure Group at Lund University for 48Ca/50Ti + nat. READ MORE

3. 2. Architecture and CognitionArchitectural settings’ influence on cognitive performance in an isolated and confined environment, over time.

   University essay from KTH/Ergonomi

   Author : Michail Magkos; [2024]
   Keywords : Cognitive; Ergonomics; Architecture; Working Memory; Space; Isolation;

   Abstract : his thesis examines the relationship between architectural design in a space analog environment and cognitive performance. This is done through longitudinal, repeated measures, quantitative study which was conducted during a Mars analog mission, with cognitive assessments administered under different environmental conditions within the mission habitat. READ MORE

4. 3. Labyrinth routes around the Middle Age Baltic Sea

   University essay from

   Author : Christina Fagerström; [2023-08-17]
   Keywords : The labyrinth-symbol; labyrinth monuments; Trojaborg; Jerusalem; Middle Age Catholic Europe; pilgrimages; the Baltic Sea; the Northern crusades; navigatio; mission; the mendicant friars; the Fourth Lateran Church Council; fish markets;

   Abstract : Stone labyrinths are archaeological monuments found predominantly in the Nordic countries around the Baltic Sea, some 500 specimens are noted in Sweden and Finland. The abundance of smaller stones has provided the building material for lasting monuments around the Baltic Sea, the Swedish west coast and Norway, Iceland, the Scilly islands in England, the Barents Sea and the White Sea’s shores and rivers. READ MORE

5. 4. Models, Keys, and Cryptanalysis: Evaluating historical statistical language models in cryptanalysis of homophonic substitution ciphers

   University essay from Göteborgs universitet/Institutionen för filosofi, lingvistik och vetenskapsteori

   Author : Filip Fornmark; [2023-01-19]
   Keywords : statistical language models; cryptanalysis; historical cryptology; homophonic substitution;

   Abstract : This thesis presents an empirical study connected to historical cryptography and especially within the framework of the research project DECRYPT. One of the research questions in the DECRYPT project relates to the use of language models for automatic cryptanalysis. READ MORE

6. 5. Thresholds to the ancestors : An examination of south-west portals with regards to cult and symbolism

   University essay from Uppsala universitet/Arkeologi

   Author : Oskar Bransell; [2023]
   Keywords : South-west portals; grave cult; ancestor worship; necromancy; doors of the dead ; Viking Age; Sydvästportar; gravkult; förfädersdyrkan; nekromanti; de dödas dörrar ; Vikingatiden;

   Abstract : This thesis examines the relevancy of south-west portals with regards to their potential usage in post-burial ritual activity with particular focus on the deposition of sacrificial offerings. South-west portals are a type of stone constructions found on the edges of mounds and stone settings in eastern central Sweden usually dating to the Viking Age (c. READ MORE