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Espinoza, A.
- Releasing-hormone and Melatonin Receptors in the Brain of a Venezuelan Catfish, "Sierra Negra" (Oxydoras Sifontesi)
Abstract Views :349 |
PDF Views:78
Authors
Affiliations
1 Laboratorio de Neuroendocrinología Comparada, Facultad de Medicina, Universidad Central de Venezuela. Caracas 1041-A., VE
2 Estación de Piscicultura, Decanato de Agronomía, Universidad Centro Occidental Lisandro Alvarado. Barquisimeto, VE
1 Laboratorio de Neuroendocrinología Comparada, Facultad de Medicina, Universidad Central de Venezuela. Caracas 1041-A., VE
2 Estación de Piscicultura, Decanato de Agronomía, Universidad Centro Occidental Lisandro Alvarado. Barquisimeto, VE
Source
Indian Journal of Science and Technology, Vol 4, No S8 (2011), Pagination: 35-35Abstract
No AbstractReferences
- Guerrero H.Y., Cardillo E., Poleo G., Marcano D. (2008). Daily and annual variations of plasma melatonin in the tropical catfish “Sierra Negra” (Oxydoras sifontesi), related to the annual gonadal maturation. Cybium, (suppl) 32: 22-24.
- Zohar Y, Muñoz-cueto JA, Elizur A, KAH O. (2010). Neuroendocrinology of reproduction in teleost fish. Gen. Comp. Endocrinol., 165(3): 438-55.
- Falcón J., Besseau L., Sauzet S., Boeuf G. (2007). Melatonin effects on hypothalamo-pituitary axis in fish. Trends Endocrinol. Metab., 18(2): 81-88.
- Striedter G.F. (1990). The diencephalon of the channel catfish, Ictalurus punctatus. I. Nuclear organization. Brain Behav. Evol., 36: 329-354.
- The Postulate of Equivalence Masses or the Law of their Proportionality?
Abstract Views :185 |
PDF Views:0
Authors
Affiliations
1 Unidad Academica de Fisica, Universidad Autonoma de Zacatecas, AP C-580, Zacatecas, MX
2 Voronezh State University, RU
1 Unidad Academica de Fisica, Universidad Autonoma de Zacatecas, AP C-580, Zacatecas, MX
2 Voronezh State University, RU
Source
Journal of Physics & Astronomy, Vol 7, No 2 (2019), Pagination: 1-13Abstract
The main sources of GTR problems are analyzed. First, physicists and geometers in explaining phenomena do not take into account the simultaneous existence of two spaces (linear space-time and curvilinear space-time). Secondly, it is shown that the initial postulate on the equivalence of inertial and gravitational masses is erroneous from the point of view of philosophy and physics. Moreover, experimental testing of the hypothesis is difficult because of the lack of accuracy of the measuring devices. It is shown that gravity can be considered as a quadratic effect of electrodynamics. The postulate on the equivalence of inertial and gravitational masses must be replaced by the law of proportionality of the inertial mass of the body and its gravitational charge. The new approach fits in perfectly with the idea of J. Thomson on the electromagnetic nature of material bodies.Keywords
Electromagnetic Mass, Newton’s Law of Universal Gravitation, General Theory of Relativity.References
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