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Author: Michal Kurzynski
Publisher: Springer Science & Business Media
ISBN: 3540336540
Category : Science
Languages : en
Pages : 438
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Book Description
Thermodynamics was created in the ?rst half of the 19th century as a theory designed to explain the functioning of heat engines converting heat into mechanical work. In the course of time, while the scope of research in this ?eld was being extended to a wider and wider class of energy transformations, thermodynamics came to be considered as a general theory of machines identi?ed with energy transducers. Imp- tant progress in biochemistry in the ?rst half of the 20th century, and in molecular biology in the second half, made it possible to think of treating even living organisms as machines, at least on the subcellular level. However, success in applying thermodynamics to elucidate the phenomenon of life has been rather mitigated. Two reasons seem to be responsible for this unsatisfactory s- uation. Nineteenth century thermodynamics dealt only with simple (homogeneous) systems in complete equilibrium. Although during the 20th century a nonequilibrium thermodynamics was developed, sta- ing with the Onsager theory of linear response and ending with the Prigogine nonlinear theory of dissipative structures, these theories still concern the originally homogeneous systems. Because living organisms are complex systems with a historically frozen spatial and functional structure, a thermodynamics of both nonequilibrium and complex s- tems is needed for their description. The ?rst goal of the present book is to formulate the foundations of such a thermodynamics.
Author: Michal Kurzynski
Publisher: Springer Science & Business Media
ISBN: 3540336540
Category : Science
Languages : en
Pages : 438
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Book Description
Thermodynamics was created in the ?rst half of the 19th century as a theory designed to explain the functioning of heat engines converting heat into mechanical work. In the course of time, while the scope of research in this ?eld was being extended to a wider and wider class of energy transformations, thermodynamics came to be considered as a general theory of machines identi?ed with energy transducers. Imp- tant progress in biochemistry in the ?rst half of the 20th century, and in molecular biology in the second half, made it possible to think of treating even living organisms as machines, at least on the subcellular level. However, success in applying thermodynamics to elucidate the phenomenon of life has been rather mitigated. Two reasons seem to be responsible for this unsatisfactory s- uation. Nineteenth century thermodynamics dealt only with simple (homogeneous) systems in complete equilibrium. Although during the 20th century a nonequilibrium thermodynamics was developed, sta- ing with the Onsager theory of linear response and ending with the Prigogine nonlinear theory of dissipative structures, these theories still concern the originally homogeneous systems. Because living organisms are complex systems with a historically frozen spatial and functional structure, a thermodynamics of both nonequilibrium and complex s- tems is needed for their description. The ?rst goal of the present book is to formulate the foundations of such a thermodynamics.
Author: Axel Kleidon
Publisher: Cambridge University Press
ISBN: 1316558592
Category : Science
Languages : en
Pages : 397
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Book Description
Thermodynamics sets fundamental laws for all physical processes and is central to driving and maintaining planetary dynamics. But how do Earth system processes perform work, where do they derive energy from, and what are the limits? This accessible book describes how the laws of thermodynamics apply to Earth system processes, from solar radiation to motion, geochemical cycling and biotic activity. It presents a novel view of the thermodynamic Earth system explaining how it functions and evolves, how different forms of disequilibrium are being maintained, and how evolutionary trends can be interpreted as thermodynamic trends. It also offers an original perspective on human activity, formulating this in terms of a thermodynamic, Earth system process. This book uses simple conceptual models and basic mathematical treatments to illustrate the application of thermodynamics to Earth system processes, making it ideal for researchers and graduate students across a range of Earth and environmental science disciplines.
Author: Donald T. Haynie
Publisher: Cambridge University Press
ISBN: 9780521795494
Category : Medical
Languages : en
Pages : 396
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Book Description
An accessible introduction to thermodynamics for undergraduate biology and biochemistry students.
Author: Libb Thims
Publisher: Lulu.com
ISBN: 1430328401
Category : Science
Languages : en
Pages : 434
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Book Description
Volume two begins with Goethe's theories of affinities, i.e. the chemical reaction view of human life in 1809. This is followed by the history of how the thermodynamic (1876) and quantum (1905) revolutions modernized chemistry such that affinity (the 'force' of reaction) is now viewed as a function of thermodynamic 'free energy' (reaction spontaneity) and quantum 'valency' (bond stabilities). The composition, energetic state, dynamics, and evolution of the human chemical bond A?B is the centerpiece of this process. The human bond is what gives (yields) and takes (absorbs) energy in life. The coupling of this bond energy, driven by periodic inputs of solar photons, thus triggering activation energies and entropies, connected to the dynamical work of life, is what quantifies the human reaction process. This is followed by topics including mental crystallization, template theory, LGBT chemistry, chemical potential, Le Chatelier's principle, Muller dispersion forces, and human thermodynamics.
Author: Peter M Hoffmann
Publisher: Basic Books
ISBN: 0465033369
Category : Science
Languages : en
Pages : 290
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Book Description
Life is an enduring mystery. Yet, science tells us that living beings are merely sophisticated structures of lifeless molecules. If this view is correct, where do the seemingly purposeful motions of cells and organisms originate? In Life's Ratchet, physicist Peter M. Hoffmann locates the answer to this age-old question at the nanoscale. Below the calm, ordered exterior of a living organism lies microscopic chaos, or what Hoffmann calls the molecular storm -- specialized molecules immersed in a whirlwind of colliding water molecules. Our cells are filled with molecular machines, which, like tiny ratchets, transform random motion into ordered activity, and create the "purpose" that is the hallmark of life. Tiny electrical motors turn electrical voltage into motion, nanoscale factories custom-build other molecular machines, and mechanical machines twist, untwist, separate and package strands of DNA. The cell is like a city -- an unfathomable, complex collection of molecular workers working together to create something greater than themselves. Life, Hoffman argues, emerges from the random motions of atoms filtered through these sophisticated structures of our evolved machinery. We are agglomerations of interacting nanoscale machines more amazing than anything in science fiction. Rather than relying on some mysterious "life force" to drive them -- as people believed for centuries -- life's ratchets harness instead the second law of thermodynamics and the disorder of the molecular storm. Grounded in Hoffmann's own cutting-edge research, Life's Ratchet reveals the incredible findings of modern nanotechnology to tell the story of how the noisy world of atoms gives rise to life itself.
Author: Peter M. Hoffmann
Publisher:
ISBN: 0465022537
Category : Science
Languages : en
Pages : 290
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Book Description
Life, Hoffman argues, emerges from the random motions of atoms filtered through the sophisticated structures of our evolved machinery. People are essentially giant assemblies of interacting nanoscale machines.
Author: Nick Lane
Publisher:
ISBN: 9781781250372
Category : Cells
Languages : en
Pages : 0
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Book Description
A game-changing book on the origins of life, called the most important scientific discovery 'since the Copernican revolution' in The Observer.
Author: Igor Novak
Publisher: World Scientific
ISBN: 9814304743
Category : Science
Languages : en
Pages : 337
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Book Description
This book provides the first integrated account of all factors which play a role in making Science what it is today. The book discusses historical, sociological and philosophical aspects of Science emphasizing their interconnectedness. It describes many of the latest developments in scientific practice as well old unsolved problems. The book aims to be explanatory and stimulating rather than comprehensive. The book is an overview of important issues and aims to present these issues in the context of not only Society but of Science itself. One of the important aims of the book is to clarify misconceptions about Science held by general public or by scientists themselves. Science and scientists in this book are presented in their true light, not as stereotyped by the media.
Author: David P. Wilkinson
Publisher: CRC Press
ISBN: 1439806667
Category : Science
Languages : en
Pages : 462
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Book Description
A Detailed, Up-to-Date Treatment of Key Developments in PEMFC MaterialsThe potential to revolutionize the way we power our worldBecause of its lower temperature and special polymer electrolyte membrane, the proton exchange membrane fuel cell (PEMFC) is well-suited for transportation, portable, and micro fuel cell applications. But the performance o
Author: Kenneth Willeford, MD
Publisher: AuthorHouse
ISBN: 1524604801
Category : Science
Languages : en
Pages : 397
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Book Description
The Bible claims that since the creation of the world Gods invisible qualities- his eternal power and divine nature- have been clearly seen, being understood from what has been made. Creation science evaluates this claim and presents scientific evidence that contradicts evolution. Since there are only two possibilities for the existence of life, becoming convinced that evolution is not true leads to a new or deeper belief in God. This is a new method to present the evolution and creation controversy in the context of a sequence of events which must all individually be evaluated to make a logical decision concerning belief in either. This unique approach with the use of logic, or common sense, leads to a personal conclusion of the most philosophic question imaginable- Is God Real?
