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Votre recherche a retourné 11 résultats.

Action potential biophysical and cellular context, initiation, phases and propagation par Dubois, Marc L. Publication : [S.l.] Nova Science Publishers, Inc. 2010 . 207 p. , An action potential (or nerve impulse) is a transient alteration of the transmembrane voltage (or membrane potential) across an excitable membrane in an excitable cell (such as a neuron or myocyte) generated by the activity of voltage-gated ion channels embedded in the membrane. The best known action potentials are pulse-like waves of voltage that travel along the axons of neurons. This book reviews research on action potential including an overview of the role of specialised axonal excitability techniques in understanding the consequences of abnormal membrane excitability; the physiological implications of action potential in characean cells; and, action potential production and the ion channel dependent process and others. 26 cm. Date : 2010 Disponibilité : Exemplaires disponibles: La bibliothèque des Sciences Exactes et Naturelles (1),

Air quality new research par Lynch, Sophie A. Publication : [S.l.] Nova Science Publishers, Inc. 2008 . 324 p. , This book presents the latest research on the crucial issues and the standards necessary to assess, monitor and increase air quality. 27 cm. Date : 2008 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

Diarrhea : causes, types and treatments par Wilson, Hannah M. Publication : [S.l.] Nova Science Publishers, Inc. 2013 . 232 p. , Diarrhoea is a clinical symptom characterised by an increase in the volume, wateriness, or frequency of bowel movements. Acute diarrhoea is a common cause of death in developing countries and the second most common cause of infant deaths world-wide. The loss of fluids through diarrhoea can cause severe dehydration which is one cause of death in diarrhoea sufferers. The causes of diarrhoea can be infectious or non-infectious. Infectious causes are due to bacteria, viruses, or parasites. This book presents research on diarrheal viruses; cholera in Africa; the pathogenesis of Clostridium-difficile associated diarrhea; and, faecal organic anions in calf diarrhoea and the pathophysiology of irritable bowel syndrome with diarrhoea. 27 cm. Date : 2013 Disponibilité : Exemplaires disponibles: La bibliothèque des Sciences Médicales et Pharmaceutiques (1),

Diversity in chemical reactions : pure and applied chemistry par Zaikov, Gennady E. Publication : New York Nova Science Publishers, Inc. 2006 . 323 p. , This book includes reviews on the ozone influence on natural and synthetic rubbers, interactions between micro-organisms and polymers, chitosan (natural polysaccharide) oxidation, nano-phases and kinetic model of chain reactions of polypropylene with peroxides, heat stability of vinylchloride polymers subjected intensive force influences of the pressure with shear type, bio-damages of materials and adhesion of micro-organisms on materials surface, intensification of dust removal process, stationary kinetics of the linear polymerisation till the high conversions, stationary kinetics of 3D polymerisation till the high conversions, and the study of the grossing process in the grosses of fluted type. 26 cm. Date : 2006 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

Handbook of polymer research monomers, oligomers, polymers and composites par Pethrick,, Richard A. Publication : [S.l.] : Nova Science Publishers, Inc., 2013 . 459 p. , Handbook of Polymer Research - Monomers. Oligomers, Polymers & Composites. 27 cm. Date : 2013 Disponibilité : Exemplaires disponibles: La bibliothèque des Sciences Exactes et Naturelles (1),

Renewable resources and biotechnology for material applications par Zaikov,, G. E. Publication : [S.l.] Nova Science Publishers, Inc. 2011 . 410 p. , This book presents and discusses current research in the study of renewable resources and biotechnology for material applications. Topics discussed include the potential of sorghum varieties as a bioenergy crop; enzyme modified grain by-product reinforced polypropylene composites; biomass as combustion fuel; efficiency of hemp essentials oil depending inflorescence harvest and the new biostymulator for increasing crops resistance to drought stress. 26 cm. Date : 2011 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

Synergetics and fractal analysis of polymer composites filled with short fibers par Kozlov, G. V. Publication : New York Nova Science Publishers Inc 2011 . 223 p. , The interest in polymer composites study is due to an even greater degree of their application. The filling by hard disperse particulates or fibres gives to polymers a desirable properties number: increases stiffness, reduces thermal expansion coefficient, rises resistance to yield and fracture toughness and so on. Difficulties in research of structure-properties relationships for polymer composites are due to their structure complexity. So, on the elasticity modulus value besides composition a polymer-filler interaction influences. In other words, it is clear even intuitively that for the complete description of such structurally-complex objects as polymer composites it is necessary to account for three groups of factors, namely, polymeric matrix structure, filler structure and level of interaction between them. Up to now the researches of such kind were carried out within the frameworks of continuous mechanics and thermodynamic conceptions. However, these conceptions application does not allow to describe satisfactorily and all the more to predict such materials properties. As a matter of fact, an experimental data set dictates the choice of either structure physical model for macroscopic properties description. 27 cm. Date : 2011 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

Thermodynamics And Heat Powered Cycles : A Cognitive Engineering Approach par Wu, Chih. Publication : [S.l.] Nova Science Publishers, Inc. 2007 . 659 p. , Due to the rapid advances in computer technology, intelligent computer software and multimedia have become essential parts of engineering education. Software integration with various media such as graphics, sound, video and animation is providing efficient tools for teaching and learning. A modern textbook should contain both the basic theory and principles, along with an updated pedagogy. Often traditional engineering thermodynamics courses are devoted only to analysis, with the expectation that students will be introduced later to relevant design considerations and concepts. Cycle analysis is logically and traditionally the focus of applied thermodynamics. Type and quantity are constrained, however, by the computational efforts required. The ability for students to approach realistic complexity is limited. Even analyses based upon grossly simplified cycle models can be computationally taxing, with limited educational benefits. Computerised look-up tables reduce computational labour somewhat, but modelling cycles with many interactive loops can lie well outside the limits of student and faculty time budgets. The need for more design content in thermodynamics books is well documented by industry and educational oversight bodies such as ABET (Accreditation Board for Engineering and Technology). Today, thermodynamic systems and cycles are fertile ground for engineering design. For example, niches exist for innovative power generation systems due to deregulation, co-generation, unstable fuel costs and concern for global warming. Professor Kenneth Forbus of the computer science and education department at Northwestern University has developed ideal intelligent computer software for thermodynamic students called CyclePad. CyclePad is a cognitive engineering software. It creates a virtual laboratory where students can efficiently learn the concepts of thermodynamics, and allows systems to be analyzed and designed in a simulated, interactive computer aided design environment. The software guides students through a design process and is able to provide explanations for results and to coach students in improving designs. Like a professor or senior engineer, CyclePad knows the laws of thermodynamics and how to apply them. If the user makes an error in design, the program is able to remind the user of essential principles or design steps that may have been overlooked. If more help is needed, the program can provide a documented, case study that recounts how engineers have resolved similar problems in real life situations. CyclePad eliminates the tedium of learning to apply thermodynamics, and relates what the user sees on the computer screen to the design of actual systems. This integrated, engineering textbook is the result of fourteen semesters of CyclePad usage and evaluation of a course designed to exploit the power of the software, and to chart a path that truly integrates the computer with education. The primary aim is to give students a thorough grounding in both the theory and practice of thermodynamics. The coverage is compact without sacrificing necessary theoretical rigor. Emphasis throughout is on the applications of the theory to actual processes and power cycles. This book will help educators in their effort to enhance education through the effective use of intelligent computer software and computer assisted course work. 27 cm. Date : 2007 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

Unraveling the genetics of bovine johne's disease / par Verschoor,, Chris P. Publication : [S.l.] Nova Science Publishers, Inc. 2012 . 73 p. , Johne's disease is a chronic, granulomatous enteritis of ruminants and some wild-type species that is caused by infection with Mycobacterium avium spp. paratuberculosis (MAP). This inflammatory bowel disease (IBD) is characterised by a lengthy yet variable asymptomatic subclinical phase in which infected animals can transmit MAP to their progeny and herd mates; this is followed by a clinical phase characterised by chronic diarrhoea, wasting, and eventually death. The impact of Johne's disease is particularly evident in the dairy and beef industries, where significant losses due to reduced productivity and fertility, mortality, and premature culling have been reported. This book addresses the genetics of this condition and its possible treatments. 23 cm. Date : 2012 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

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