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Search Results: 1 - 10 of 225008 matches for " Dolores R. "
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Existence and uniqueness of solutions of higher-order antiperiodic dynamic equations
Alberto Cabada,Dolores R. Vivero
Advances in Difference Equations , 2004, DOI: 10.1155/s1687183904310022
Abstract: We prove existence and uniqueness results in the presence of coupled lower and upper solutions for the general nth problem in time scales with linear dependence on the ith ”-derivatives for i=1,2, ¢ € |,n, together with antiperiodic boundary value conditions. Here the nonlinear right-hand side of the equation is defined by a function f(t,x) which is rd-continuous in t and continuous in x uniformly in t. To do that, we obtain the expression of the Green's function of a related linear operator in the space of the antiperiodic functions.
Existence and uniqueness of solutions of higher-order antiperiodic dynamic equations
Cabada Alberto,Vivero Dolores R
Advances in Difference Equations , 2004,
Abstract: We prove existence and uniqueness results in the presence of coupled lower and upper solutions for the general nth problem in time scales with linear dependence on the ith Δ-derivatives for i = 1,2,…,n, together with antiperiodic boundary value conditions. Here the nonlinear right-hand side of the equation is defined by a function f(t,x) which is rd-continuous in t and continuous in x uniformly in t. To do that, we obtain the expression of the Green's function of a related linear operator in the space of the antiperiodic functions.
Green Environment: Decision-Making and Power Utility Optimization towards Smart-Grid Options  [PDF]
Dolores DeGroff
Smart Grid and Renewable Energy (SGRE) , 2010, DOI: 10.4236/sgre.2010.11005
Abstract: Decision-making toward prudent energy conservation is a primary issue in the power utility management while con-ceiving green environment. Presented in this paper are relevant considerations and prudent ways of decision-making thereof. Examples are furnished to illustrate the underlying considerations and are discussed using practical examples. Specifically green ambient is considered and the underlying payoff resulting from each combination of strategies adopted (or courses of action taken) by the technology-option participants is evaluated. Game-theoretic pursuits are followed.
La negociación de la sospecha
María Dolores Lorenzo-Río
Economía, sociedad y territorio , 2012,
Abstract:
MACARENA PONCE DE LEóN ATRIA, Gobernar la pobreza. Prácticas de caridad y beneficencia en la ciudad de Santiago, 1830-1890
MARíA DOLORES LORENZO RíO
Historia (Santiago) , 2012,
Abstract:
Basic properties of Sobolev's spaces on time scales
Victoria Otero–Espinar,Kanishka Perera,Dolores R. Vivero
Advances in Difference Equations , 2006,
Abstract: We study the theory of Sobolev's spaces of functions defined on a closed subinterval of an arbitrary time scale endowed with the Lebesgue Δ -measure; analogous properties to that valid for Sobolev's spaces of functions defined on an arbitrary open interval of the real numbers are derived.
El trabajo sexual en la mira: polémicas y estereotipos
Juliano, Dolores;
Cadernos Pagu , 2005, DOI: 10.1590/S0104-83332005000200004
Abstract: the rigid norms assigned to gender roles sanction some behaviors by women as deviant and punish them with stigmatization. the worst stigmatization falls on sexual laborers. religious, ethnic and class prejudices converge in this situation. the stigmatizing discourse is shared by political sectors from both right and left. it is even supported by some feminist sectors and this generated an important polemic between abolitionists and defenders of the prostitutes' human rights. although international laws on the matter are becoming more nuanced, the matter is not resolved and discrimination furnishes the bases for the exercise of symbolic and material violence against these women.
Isaías y Jeremías: los profetas de Isidoro de Sevilla en Sentencías
Castro, Dolores;
História (S?o Paulo) , 2012, DOI: 10.1590/S0101-90742012000200010
Abstract: the biblical text represents a fundamental part of isidore of seville′s sentencias. this work, written towards the year 633, contains a large number of biblical quotations. although isidore managed to use a variety of references from both testaments, some books, passages and biblical episodes are mentioned more systematically than others. this is the case of the prophetic literature, especially the books of isaiah and jeremiah. this article will focus mainly in the analysis of these two prophets and how their voices were used and introduced in the work of isidore. the main purpose is to analyze the relation between the prophetic message and the reasons that motivated isidore to give isaiah and jeremiah a predominant position inside his work. during the viith century, the political and religious context raised the question of the kingdom′s unity. in this scenario, the prophetic message allowed isidore to communicate his preoccupations regarding fundamental topics such as disobedience, the final judgment and the organization of the church.
Diagnóstico de muerte encefálica
Escudero,Dolores;
Medicina Intensiva , 2009,
Abstract: brain death has been recognized by the scientific community as the person's death, and accepted in the legislation of different countries. brain death is defined as the irreversible ending of the functions of all the intracranial neurological structure in both the brain and brain stem. this clinical situation appears when intracranial pressure exceeds the patient's systolic blood pressure, leading to brain circulatory arrest. the most frequent are cerebral hemorrhage and cranioencephalic trauma. clinical diagnostic must be done by doctors with expertise in neurocritical patient treatment. this diagnosis is based on a systematic, complete and extremely rigorous clinical examination that confirms a non-reactive coma, absence of brain stem reflex, and absence of spontaneous breathing. instrumental tests may be obligatory in some cases, this depending on each country. electroencephalogram and evoked potentials are the electrophysiological tests used. in patients treated with sedative drugs, cerebral blood flow evaluation tests, such as cerebral angiography, transcranial doppler or 99tc-hmpao scintigraphy, will be used. more than 92% of the transplants performed in spain are performed with brain death donor organs. brain death confirmation is a high responsibility act, with medical, ethical and legal significance since it requires removal of all artificial support, or organs extraction for transplant. extensive knowledge on its diagnostic and correct decision making avoid unnecessary use of resources and improves management of organs for transplant.
Terapia hormonal da menopausa
Pardini, Dolores;
Arquivos Brasileiros de Endocrinologia & Metabologia , 2007, DOI: 10.1590/S0004-27302007000600007
Abstract: although estrogen has been clinically available for more than 6 decades, women have been confused by different opinions regarding the risks and benefits of menopausal hormone therapy (ht), estrogen therapy (et), and estrogen-progestin therapy (ept). the main indication for ht use in postmenopausal women remains the relief of vasomotor symptoms and vulvovaginal atrophy, and is effective in the prevention of osteoporosis. in other areas of research, notably in cardiovascular and central nervous system effects, the recent literature has produced conflicting results. treatment for up to 5 years does not add significantly to lifetime risk of breast cancer, but significantly decreases bone loss and risk of osteoporotic fractures. some women may be susceptible to early thrombotic risk, but when appropriate ht is given after individual clinical evaluation, the benefits will far outweigh any potential risks and the treatment should be recommended. clinical research continues into genetic factors influencing the response to et/ht, different estrogen formulations, different modes of delivery and lower-dose options. patients and clinicians should make treatment decisions on the basis of an individual?s needs and risks, and should enhance a woman?s ability to undergo the menopausal transition with minimal disruption to her quality of life. in women experiencing distressing climacteric symptoms during the peri and postmenopause there is conclusive evidence from abundant randomized controlled trials that systemic hormone therapy (ht) of any type affords symptom relief, with no alternative treatment producing similar effect. future research is needed to identify new indications for hrt and to diminish or abolish its potential risks.
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