Results 11 to 20 of about 216,994 (291)

Endogenous pararetrovirus sequences associated with 24 nt small RNAs at the centromeres of Fritillaria imperialis L. (Liliaceae), a species with a giant genome [PDF]

open access: yes, 2016
Funded by: Leonardo da Vinci programme, Marie Curie programme, Natural Environment Research Council. Grant Number: NE/G01724/1, Czech Science Foundation.
Becher, H   +5 more
core   +1 more source

Early Developments of Wireless Remote Control: the Telekino of Torres Quevedo [PDF]

open access: yes, 2008
The paper presents the life of Leonardo Torres-Quevedo, a Spanish inventor known for a number of ingenious ...
Pérez Yuste, Antonio
core   +2 more sources

Salvator Mundi: an investigation of the painting’s materials and techniques

open access: yesHeritage Science, 2020
Before the start of its restoration in 2007, the Salvator Mundi was thought to be one of a number of copies of a long-lost Leonardo da Vinci painting, depicting Christ giving a blessing with his right hand while holding a crystal orb in his left.
Nica Gutman Rieppi   +7 more
doaj   +1 more source

Application of an expert system shell in the preliminary design of offshore supply vessels [PDF]

open access: yes, 1993
This paper presents the application of expert system programming in preliminary ship design with particular emphasis on offshore supply vessels. Instead of using one of the conventional programming expert system languages, the system is developed using ...
Mainal, Mohd. Ramzan
core   +2 more sources

Non-Fisherian generalized Fibonacci numbers [PDF]

open access: yesNotes on Number Theory and Discrete Mathematics
Using biology as inspiration, this paper explores a generalization of the Fibonacci sequence that involves gender biased sexual reproduction. The female, male, and total population numbers along with their associated recurrence relations are considered ...
Thor Martinsen
doaj   +1 more source

On Leonardo p-numbers

open access: yes, 2023
In this paper, we introduce a new generalization of Leonardo numbers, which are so-called Leonardo $p$-numbers. We investigate some basic properties of these numbers. We also define incomplete Leonardo $p$-numbers which generalize the incomplete Leonardo numbers.
Tan, Elif, Leung, Ho-Hun
openaire   +1 more source

Structural Beauty: A Structure-Based Computational Approach to Quantifying the Beauty of an Image

open access: yesJournal of Imaging, 2021
To say that beauty is in the eye of the beholder means that beauty is largely subjective so varies from person to person. While the subjectivity view is commonly held, there is also an objectivity view that seeks to measure beauty or aesthetics in some ...
Bin Jiang, Chris de Rijke
doaj   +1 more source

Ireland [PDF]

open access: yes, 2004
This report will focuses on the current innovations and the future development of the practices and approaches to the assessment of learning in the area of work-based Vocational Education & Training in Ireland.
Lalor, John   +2 more
core   +1 more source

Complex prospective evaluation of “Romantica” roses introduction under the conditions of the Right-Bank Forest-Steppe Zone of Ukraine

open access: yesPlant Varieties Studying and Protection, 2016
Purpose. Theoretical and experimental substantiation of introduction of “Romantica” roses originated by Meilland company under the conditions of the Right-Bank Forest-Steppe Zone of Ukraine. Methods. Biometrical, comparative-morphological, statistic ones.
О. К. Мороз   +1 more
doaj   +1 more source

On complex Leonardo numbers

open access: yesNotes on Number Theory and Discrete Mathematics, 2022
In this study, we introduce the complex Leonardo numbers and give some of their properties including Binet formula, generating function, Cassini and d’Ocagne’s identities. Also, we calculate summation formulas for complex Leonardo numbers involving complex Fibonacci and Lucas numbers.
openaire   +3 more sources

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