Results 81 to 90 of about 1,390 (199)

Application of Microsatellites to Trace the Dairy Products Back to the Farm of Origin. [PDF]

open access: yesFoods, 2023
Perga S   +10 more
europepmc   +1 more source

1. A Monograph of the Sawflies composing the Australian Genus Perga of Leach.

open access: yesProceedings of the Zoological Society of London, 1880
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +3 more sources

Early modern industries in the context of environmental history of Ukraine: environmental impact and research methodology

open access: yesНаукові записки Вінницького державного педагогічного університету імені Михайла Коцюбинського. Серія: Історія
The aim of the article is to analyze the impact of early modern industries on the environment of Ukrainian lands in the XV–XVII centuries within the framework of environmental history. The study focuses on saltpeter production, mining, tar smoking, wine
Tetiana Perga
doaj   +1 more source

Conflicting Interests

open access: yesWorldwide Waste
The article analyses the early stages of wastepaper collection in the Ukrainian SSR during the 1920s and early 1930s, with a focus on the key actors and their conflicting interests.
Tetiana Perga
doaj   +1 more source

What can high frequency measurements tell us about mixing events in lakes? [PDF]

open access: yes, 2016
The dynamics of lake temperature structure, driven by the interplay of surface wind and heat fluxes, are crucial to many aspects of ecology. It has long been observed that this temperature structure is characterised by an isothermal ‘mixed’ layer at ...
Perga, M. E.   +7 more
core  

Algumas observações sobre o círculo de Apolônio e o seu emprego no método das imagens

open access: yesRevista Brasileira de Ensino de Física
Na geometria plana, o círculo é definido como o conjunto de todos os pontos do plano equidistantes de um ponto arbitrário também pertencente ao plano. Apolônio de Perga (c. 262 a.C - 190 a.C.), o grande geômetra como era conhecido por seus contemporâneos,
A.C. Tort
doaj   +1 more source

Apollonius of Perga: Historical Background and Conic Sections

open access: yes, 2009
Apollonius of Perga greatly contributed to geometry, specifically in the area of conics. Through the study of the “Golden Age” of Greek mathematics from about 300 to 200 B.C., Apollonius, who lived from about 262 to 190 B.C., is seen as an innovative ...
Allen, Ashley
core  

An Archetypal Graphic Model in the Conics of Apollonius

open access: yesDiségno
In the ancient world, and therefore well before the codification of the double orthogonal projection method developed by Gaspard Monge [Monge 1799], it was possible to represent three-dimensional space as faithfully as methods of a projective nature ...
Riccardo Migliari
doaj   +1 more source

Intense touristic activities exceed climate change to shape aquatic communities in a mountain lake. [PDF]

open access: yesAquat Sci, 2023
Frossard V   +6 more
europepmc   +1 more source

Role of the Americans for Human Rights in Ukraine in support of human rights movement in Ukrainian SSR

open access: yesАмериканська історія і політика, 2018
The role of NGO of the Ukrainian expat community in the USA “Americans for Human Rights in Ukraine” (AHRU) driven on the support of human rights movement in the Ukrainian SSR has been investigated. The goals of the organization and the main directions of
Tetiana Perga
doaj  

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