Results 1 to 10 of about 3,416,587 (304)

Oil and Gas Sector of the People’s Republic of China: Problems and Development Trends

open access: yesПроблемы постсоветского пространства, 2023
Through vigorous economic development in recent decades, China has become one of the world’s leading economies and a major player in the international arena.
S. L. Aseeva
doaj   +1 more source

Perkebunan Lada dan Masyarakat di Kawasan Lampung Timur pada Masa Kesultanan Banten

open access: yesPubawidya: Jurnal Penelitian dan Pengembangan Arkeologi, 2022
Pepper is a world commodity that has long been traded. One of the pepper producers is Lampung. Since the classical period, the Lampung pepper trade has filled world trade activities through the Sunda Kingdom.
Nanang Saptono   +3 more
doaj   +1 more source

Issues on the Electron Stopping Power Modulated by Magnetic and Electric Fields

open access: yesBrazilian Journal of Radiation Sciences, 2021
Ionizing radiation has been employed in conjunction with various clinical modalities for therapeutic purposes. Often, surgery, chemo and radiation therapies have been combined on the arsenal against cancer.
Matheus Corrêa Dantas Avelar   +3 more
doaj   +1 more source

A Call for Field Disruptions and Connections in Mathematics Education Research

open access: yesJournal of Urban Mathematics Education, 2020
The Field Disruptions and Field Connections section of the Journal of Urban Mathematics Education (JUME) seeks manuscripts that bring to light innovative, underutilized, or marginalized theories and methods that show potential for radical reconfiguration
Susan Ophelia Cannon
doaj   +1 more source

Assessing Spatial Limits of Sentinel-2 Data on Arable Crops in the Context of Checks by Monitoring

open access: yesRemote Sensing, 2020
The availability of large amounts of Sentinel-2 data has been a trigger for its increasing exploitation in various types of applications. It is, therefore, of importance to understand the limits above which these data still guarantee a meaningful outcome.
Blanka Vajsová   +4 more
doaj   +1 more source

Influential Factors in the Evaluation of Agricultural Lands in the Huambo Province, Angola

open access: yesLand, 2023
The possession and appraisal of agricultural fields have significant economic and social impacts. The objective of this study is to examine the perception of farmers in the Huambo Province, Angola, regarding the characteristics that enhance and diminish ...
Ezequiel Lote, Fernando Oliveira Tavares
doaj   +1 more source

Objective Quantum Fields, Retrocausality and Ontology

open access: yesEntropy, 2021
We compare different approaches to quantum ontology. In particular, we discuss an interpretation of quantum mechanics that we call objective quantum field theory (OQFT), which involves retrocausal fields.
Peter D. Drummond, Margaret D. Reid
doaj   +1 more source

Accumulation, capitalisme et politique : vers une approche intégrée

open access: yesRevue de la Régulation, 2020
This article aims to regenerate analysis of how accumulation relates to politics by underlining that one cannot be theorized without the other.
Matthieu Ansaloni   +3 more
doaj   +1 more source

Structure, composition spécifique et diversité des ligneux dans deux zones contrastées en zone Sahélienne du Burkina Faso

open access: yesVertigO, 2016
This study conducted in the Sahel of Burkina Faso presents the current state of woody vegetation in this region so as to establish the link between the reality on the ground and satellite observations in two sites within each of the two contrasted zones ;
Ouango Maurice Savadogo   +6 more
doaj   +1 more source

Weakly quadratent rings

open access: yesJournal of Taibah University for Science, 2019
We completely characterize up to an isomorphism those rings whose elements satisfy the equations $ x^4=x $ or $ x^4=-x $ . Specifically, it is proved that a ring is weakly quadratent if, and only if, it is isomorphic to either K, $ \mathbb {Z}_3 ...
Peter V. Danchev
doaj   +1 more source

Home - About - Disclaimer - Privacy