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Which Physical Quantity Deserves the Name “Quantity of Heat”? [PDF]

open access: yesEntropy, 2021
“What is heat?” was the title of a 1954 article by Freeman J. Dyson, published in Scientific American. Apparently, it was appropriate to ask this question at that time.
Friedrich Herrmann, Michael Pohlig
doaj   +7 more sources

Assessment Level of Compliance with Public Procurement Act [PDF]

open access: yesJournal of Engineering, Project, and Production Management, 2022
Public procurement is the acquisition of works, goods, and services by procuring entities using public funds. The study assesses the level of compliance with the public procurement act (PPA) 2007 in the north-central states of Nigeria.
Olusola Festus Akinradewo   +2 more
doaj   +1 more source

Metrology of the XXI century. Radio engineering quantities and standards in the SI system of units [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Физика, 2022
Background and Objectives: The article discusses the methodological recommendations for teachers and experimental researchers on metrological support of measurements and the correct use of units of physical quantities when reading courses in the ...
Khokhlov, Arthur V.
doaj   +1 more source

Theoretical Assessment of Cracking in Orthotropic Material under Symmetrical Heat Flow/Mechanical Loading

open access: yesApplied Mechanics, 2022
This paper studies a cracked orthotropic solid under symmetric heat flow, and symmetric mechanical loading is studied. A modified partially impermeable crack model is employed to simulate thermal load transfer.
Bing Wu, Daren Peng, Rhys Jones
doaj   +1 more source

An integrated accounting system of quantity, quality and value for assessing cultivated land resource assets: A case study in Xinjiang, China

open access: yesGlobal Ecology and Conservation, 2022
Assessing cultivated land resource assets is a prerequisite for resource management and cultivated land protection. Existing methods on the physical quantity usually ignore the change in cultivated land quality and on the value quantity lack a unified ...
Ruqian Zhang   +4 more
doaj   +1 more source

Pesticide control, physical control, or biological control? How to manage forest pests and diseases more effectively

open access: yesFrontiers in Ecology and Evolution, 2023
The frequent occurrence of forest diseases and insect pests has a significant impact on the forest ecosystem. The government needs to take measures to protect the forest ecosystem.
Yuntao Bai, Lan Wang, Xiaolong Yuan
doaj   +1 more source

Konsistensi Representasi Tingkat Dasar Besaran Fisis Materi Kinematika

open access: yesJurnal Pendidikan: Teori, Penelitian, dan Pengembangan, 2018
: In the world of physics education, there are still many inconsistency in the representation of physical quantities in daily delivery, both in written and oral.
Fathoroni Fathoroni   +2 more
doaj   +3 more sources

An Obstacle Avoidance Algorithm for Manipulators Based on Six-Order Polynomial Trajectory Planning

open access: yesXibei Gongye Daxue Xuebao, 2020
Aiming at a series of requirements of obstacle avoidance trajectory planning of manipulators, a new algorithm based on six-order polynomial trajectory planning is proposed.

doaj   +1 more source

Investigating the relationship between intergroup physical contact and attitudes towards foreigners: the mediating role of quality of intergroup contact [PDF]

open access: yesPeerJ, 2018
Recent research has shown that a brief, casual touch administered by an outgroup member reduces prejudice towards the group to which the toucher belongs.
Soraya E. Shamloo   +2 more
doaj   +2 more sources

THEORY SEVERAL FIELDS [PDF]

open access: yesJournal of Research and Innovation for Sustainable Society, 2020
The basic theoretical framework particle physicists use to describe the behavior of relativistic quantum systems is Quantum Field Theory. In the modern framework of the quantum theory of fields, even without referring to a test particle, a field ...
Adina TĂTAR
doaj  

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