Results 21 to 30 of about 3,064 (175)
Geometrias não-euclidianas 2ª parte - Um modelo de geometria hiperbólica
Vetor, 2007 Neste trabalho apresentamos um modelo de Geometria Hiperbólica e utilizamos também, como na 1ª parte, as geodésicas, para comparar com 0 5º postulado de Euclides.
José Carlos Pinto Leivas
doaj +4 more sources
An extension of Lobachevsky formula [PDF]
Elemente der Mathematik, 2010 Paper is re-written with new presentation and new results ...
openaire +3 more sources
Вестник трансплантологии и искусственных органов, 2020 Objective: to study the electrokinetic and aggregation properties, as well as the pro-oxidant and antioxidant processes in red blood cells following kidney transplantation in donors and in recipients in the postoperative period.
A. V. Deryugina +6 more
doaj +1 more source
Nature, 1972 Science in Russian Culture . By A. Vucinich. Pp. xv + 575. (Stanford University, Oxford University: Stanford, California, and London, July 1971.) £8.75.
openaire +1 more source
THE ROLE AND STRUCTURE OF EDUCATIONAL COMPONENT IN PHD PROGRAMS OF A NEW TYPE
Высшее образование в России, 2022 The article presents an analysis of the main trends in the development of doctoral educationin the framework of the Bologna process. Practical experience of modernizing the system for academic staff training in the postgraduate school of Lobachevsky ...
Boris I. Bednyi
doaj
Fractal Information by Means of Harmonic Mappings and Some Physical Implications
Entropy, 2016 Considering that the motions of the complex system structural units take place on continuous, but non-differentiable curves, in the frame of the extended scale relativity model (in its Schrödinger-type variant), it is proven that the imaginary part of a ...
Maricel Agop +6 more
doaj +1 more source
RETRACTED: Dynamics of hematological and oxidative parameters characterizing the nonspecific resistance of cows under technological stress [PDF]
BIO Web of ConferencesSee the retraction notice BIO Web of Conferences 84, 00001 (2024), https://doi.org/10.1051/bioconf ...
Deryugina Anna +6 more
doaj +1 more source
Sustainable Development, EarlyView.ABSTRACT The transition toward circular and sustainable growth remains a major challenge in Sub‐Saharan Africa (SSA), where resource constraints, limited recycling capacity, and infrastructure deficits constrain environmental performance. Drawing on circular economy and innovation systems perspectives, this study examines how financial technology ...
Emmanuel Kwaku Manu +3 more
wiley +1 more source
Do Financialization and Innovation Enhance Environmental Sustainability in Sub‐Saharan Africa?
Thunderbird International Business Review, EarlyView.ABSTRACT This study addresses the perception of Sub‐Saharan Africa (SSA) as a region with limited financial capabilities and technological advancement to enhance environmental sustainability. Conducted across 24 SSA countries from 2000 to 2021, the research employs instrumental IV and panel quantile regressions.
Emmanuel Kwaku Manu +2 more
wiley +1 more source
Forest Pathology, Volume 56, Issue 4, August 2026.ABSTRACT Wood‐inhabiting nematodes of the genus Bursaphelenchus are a group with significant ecological and economic impacts on global forest ecosystems. This review aims to update current knowledge on their spatial distribution, host‐vector associations and the factors driving species expansion under the framework of climate change.
Neilan Chotzar +3 more
wiley +1 more source