Results 31 to 40 of about 13,132,379 (283)
People and Nature, 2023 Adder ( Vipera berus ) populations are experiencing declines in many countries, including the United Kingdom. Perceptions of adders and other venomous snakes are generally negative, making conservation of these species a challenge, and persecution ...
Sam J. Kelly +5 more
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An experimental evaluation of grouping definitions for moving entities
Journal of Spatial Information Science, 2022 One important pattern analysis task for trajectory data is to find a group: a set of entities that travel together over a period of time. In this paper, we compare four definitions of groups by conducting extensive experiments using various data sets ...
Lionov Wiratma +3 more
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Village Seed Production Groups Supported by Network and Capacity Building in Disseminating Modern Varieties in Indonesia [PDF]
BIO Web of Conferences, 2023 Strategic food crops production such as rice, maize and soybean are determined by harvested areas multiplied by productivity, while productivity is affected by availability of highquality seed of modern varieties which is adaptive to both biotic and ...
Wardana I Putu +8 more
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Test groups for Whitehead groups
Rocky Mountain Journal of Mathematics, 2012 We consider the question of when the dual of a Whitehead group is a test group for Whitehead groups. This turns out to be equivalent to the question of when the tensor product of two Whitehead groups is Whitehead. We investigate what happens in different models of set theory.
Eklof, Paul C. +2 more
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The Fundamental Group of a Group Manifold [PDF]
Proceedings of the National Academy of Sciences, 1934 The study of the interrelations between group structures and topological structures is one of the interesting recent developments of group theory. It has become well known that a space @ which is at the same time a continuous group cannot be of arbitrary topological structure.
openaire +4 more sources
Methylation of Eugenol Using Dimethyl Carbonate and Bentonite as Catalyst
Indonesian Journal of Chemistry, 2015 Eugenol is a compound with a variety of reactive functional groups such as allyl, hydroxy and methoxy. The presence of the functional groups brings eugenol possible to undertake the transformation into various derivative compounds with diverse activities.
Dina Asnawati +5 more
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Education Sciences, 2022 Prior research has shown how incorporating group theory into upper secondary school or undergraduate mathematics education may positively impact learners’ conceptual understanding of mathematics in general and algebraic concepts in particular.
Joaquin Marc Veith +2 more
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On the group of polynomial functions in a group [PDF]
Monatshefte für Mathematik, 2008 9 ...
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EURASIP Journal on Wireless Communications and Networking, 2020 Traditional rogue access-point (AP) detection mechanisms are employed in network administration to protect network infrastructure and organization; however, these mechanisms do not protect end users from connecting to a rogue-AP.
Songrit Kitisriworapan +2 more
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An Exploration of the Implications of Sequencing Order on Group Pain Interventions in Veterans
Rheumato, 2022 Background: Efforts to increase acceptance and reduce avoidance behaviors in patients who suffer from chronic pain are likely to have additional beneficial effects on pain management.
David Cosio, Madison Simons
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