Results 41 to 50 of about 6,367,328 (195)

ISSUES OF ENERGY EFFICIENCY AND ENERGY CONSERVATION IN THE RECLAMATION COMPLEX: HIERARCHICAL CLASSIFICATION OF MICRO HYDROPOWER PLANTS

open access: yesНаучный журнал Российского НИИ проблем мелиорации, 2020
Purpose: to build a hierarchical classification of microhydroelectric power plants, the elements of which are considered as an eventual component of the hydroreclamation system for converting the energy of water flow and solving energy efficiency and ...
O. V. Voyevodin   +2 more
doaj   +1 more source

Solar Energy Resource Potential in Alaska [PDF]

open access: yes, 1978
Solar energy applications are receiving attention in Alaska as in much of the rest of the country. Solar energy possibilities for Alaska include domestic water heating, hot-water or hot-air collection for space heating, and the use of passive solar ...
Seifert, Richard D., Zarling, John P.
core  

Fractal Analysis of Protein Potential Energy Landscapes

open access: yes, 1998
The fractal properties of the total potential energy V as a function of time t are studied for a number of systems, including realistic models of proteins (PPT, BPTI and myoglobin).
A. E. García   +18 more
core   +1 more source

PE-A* Algorithm for Ship Route Planning Based on Field Theory

open access: yesIEEE Access, 2022
Route planning is the key to safe, efficient and intelligent navigation of maritime traffic. Autonomous route planning is a complex optimization problem, which requires both global route planning and local collision avoidance.
Yihua Liu, Ting Wang, Hongzhi Xu
doaj   +1 more source

Dark energy: the absolute electric potential of the universe [PDF]

open access: yes, 2009
Is there an absolute cosmic electric potential?. The recent discovery of the accelerated expansion of the universe could be indicating that this is certainly the case. In this essay we show that the consistency of the covariant and gauge invariant theory
Jimenez, Jose Beltran   +1 more
core   +3 more sources

Energy-saving system of secondary balance for the hybrid power of the pumping unit

open access: yesThe Journal of Engineering, 2018
The pumping unit is the main equipment for oil production in the oilfield. However, its serious energy consumption has greatly increased the cost of oil extraction.
Chun-shuang Li   +4 more
doaj   +1 more source

Study the Spectral Properties of the Molecule Trimethyl Aluminum (C3H9Al) by Semiempirical Quantum Programs [PDF]

open access: yesKirkuk Journal of Science, 2016
This study aims to determine the spectral properties of the trimethyl Aluminum molecule (C3H9Al) using the Semi-empirical quantum programs [HyperChem8.0, WinMopac7.21] by (MNDO-PM3) (Modified Neglect of Differential Overlap-Parameterization Model3). This
Abdul Hakim Sh. Mohammed   +2 more
doaj   +1 more source

Thigh and Shank, Kinetic and Potential Energies during Gait Swing Phase in Healthy Adults and Stroke Survivors

open access: yesBrain Sciences, 2022
Background/Problem. Given the treatment-resistant gait deficits after stroke and known elevated energy cost of gait after stroke, it is important to study the patterns of mechanical energies of the lower limb segments.
Krisanne Litinas   +2 more
doaj   +1 more source

Potential energy and dipole moment surfaces of H3- molecule [PDF]

open access: yes, 2010
A new potential energy surface for the electronic ground state of the simplest triatomic anion H3- is determined for a large number of geometries. Its accuracy is improved at short and large distances compared to previous studies.
Belyaev A. K.   +6 more
core   +4 more sources

INTERDISCIPLINARY ACTIVITY TRAINING IN VIRTUAL ENGINEERING ENVIRONMENT: AN ACTUAL STATE AND PROSPECTS

open access: yesВысшее образование в России, 2017
The paper considers two aspects of the problem of multidisciplinary education: the first, as an effective interaction between business and academic communities to establish a new normative base for qualifications; and the second, as a purely educational ...
V. S. Sheinbaum
doaj  

Home - About - Disclaimer - Privacy