Results 11 to 20 of about 5,022,591 (289)

Canonical formalism for the Born-Infeld particle [PDF]

, 1998
In the previous paper (hep-th/9712161) it was shown that the nonlinear Born-Infeld field equations supplemented by the "dynamical condition" (certain boundary condition for the field along the particle's trajectory) define perfectly deterministic theory,
Bachas C, Bengtsson I, Bialynicki - Birula I, Bialynicki - Birula I, Born M, Born M, Chruscinski D, Chruscinski D, Dariusz Chruscinski, Dirac P A M, Dirac P A M, Dirac P A M, Euler H, Fradkin E S, Gaillard M K, Gibbons G W, Gitman D M, Hagiwara T, Hanson A J, Heisenberg W, Henneaux M, Kijowski J, Kijowski J, Kijowski J, Misner C, Perry M, Plebanski J, Pryce H L M, Rohrlich F, Schrödinger E, Sundermeyer K   +30 more
core   +2 more sources

Level of Active Lifestyle and Exercise Approach among Sports-Active Female Students of The University of Sarajevo during the Covid-19 Pandemic

Journal of Anthropology of Sport and Physical Education, 2020
Closure of all educational institutions as well as various facilities for sports and recreation, due to the COVID-19 pandemic and the adoption of social movement restrictions, impaired the possibility of maintaining healthy living habits of the student ...
Izet Bajramovic, Srdjan Redzepagic, Dusko Bjelica, Dragan Krivokapic , Eldin Jeleskovic , Slavenko Likic   +5 more
doaj   +1 more source

Good times bad times — Unfavorable breeding conditions, more than divorce, lead to increased parental effort and reduced physiological condition of northern gannets

Frontiers in Ecology and Evolution, 2023
Decreased productivity in long-lived bird species is linked to prey depletion in marine ecosystems. Seabirds, however, exhibit behavioral flexibility at individual level to prevent this outcome.
David Pelletier, David Pelletier, Pierre Blier, François Vézina, Magella Guillemette   +4 more
doaj   +1 more source

The Dark Energy Star and Stability analysis [PDF]

, 2015
We have proposed a new model of dark energy star consisting of five zones namely, solid core of constant energy density, the thin shell between core and interior, an inhomogeneous interior region with anisotropic pressures, thin shell and the exterior ...
Bhar, Piyali, Rahaman, Farook
core   +2 more sources

Analysis of the physical condition profile of athletes in Tangerang City's Measurable Sports Branch as Part of the Porprov Banten 2022 Preparation: Descriptive study

Kinestetik, 2022
The study was conducted from August to October 2022. The data collection was taken at the Tangerang City Fort Stadium. The research sample is Tangerang City Athletes who will be prepared in Porprov Banten 2022.
Iwan Hermawan, Fahmy Fachrezzy, Uzizatun Maslikah, Puspo Nagati Paramita Namira Khanza, Gatot Jariono   +4 more
doaj   +1 more source

PALLIATION AND LIFE QUALITY IN LUNG-CANCER - HOW GOOD ARE CLINICIAN AT JUDGING TREATMENT OUTCOME [PDF]

, 1991
A recent trial by the MRC Lung Cancer Working Party used physician assessments to compare two palliative schedules of radiotherapy in lung cancer.
Cooke, NT, Jones, PW, Regan, J, Yarnold, J   +3 more
core   +1 more source

Efficiency of a Combined Fitness Program for Improving Physical Condition in Young Women

Physical Education Theory and Methodology, 2020
The purpose of this study was to evaluate the effectiveness of a combined exercise program focused on the improvement of young women’s physical condition. Materials and methods. The study involved 62 healthy women (an average age of 29.4 years).
Olena Andrieieva, Olena Yarmak, Vitalii Kashuba, Svitlana Drozdovska, Valentina Gineviciene, Oleksandra Blagii, Maria Akimova-Ternovska   +6 more
doaj   +1 more source

Anthropometric Indicators of the Cardiometabolic Risk, Muscle Strength, and Functional Capacity of Schoolchildren with Intellectual Disabilities during Lockdown in Chile

Children, 2022
Lockdown due to the COVID-19 pandemic has negatively impacted the social, psychological, and physical well-being of the world population. In the case of people with intellectual disabilities, the impact of lockdown on their physical condition and ...
Claudio Farías-Valenzuela, Gerson Ferrari, Sebastián Espoz-Lazo, Paloma Ferrero-Hernández, Emilio Jofré-Saldia, Sebastián Álvarez-Arangua, Carlos Poblete-Aro, Andrés Godoy-Cumillaf, Cristian Cofre-Bolados, Pedro Valdivia-Moral   +9 more
doaj   +1 more source

Physical conditions in NGC 6543 [PDF]

Symposium - International Astronomical Union, 1997
We observed NGC 6543 (the Cat's Eye Nebula) with the HST WFPC2 camera in ten narrow-band filters covering a range of emission lines. These images are used to further look at the physical conditions in NGC 6543. We discuss the [O III] electron temperature, ionization state throughout the nebula, and the results of photoionization models of individual ...
Nancy Jo Lame, J. Patrick Harrington, K. Borkowski   +2 more
openaire   +1 more source

Changes in the indicators of the physical condition of students under the influence of classes in sports sections

Слобожанський науково-спортивний вісник, 2019
Purpose: investigate changes in the indicators of the physical condition of students under the influence of classes in sports sections. Material & Methods: to solve the purpose, the following research methods were used: analysis and synthesis of ...
Ihor Sukhenko
doaj   +1 more source