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Название: Биосфера и ноосфера
Автор: Владимир Иванович Вернадский
Издательство: АСТ
Год: 2022
Формат: fb2, mobi
Страниц: 655
Размер: 11.6 Мб
Язык: русский

По Вернадскому, все живое на Земле составляет биосферу – своеобразную оболочку планеты, в которой протекает бесконечный круговорот материи и энергии. Однако с появлением человека и его беспрецедентного по масштабу влияния на планету начинается новая геологическая эпоха, и биосфера переходит в новое состояние, трансформируясь в «сферу разума» – ноосферу. Как же происходит трансформация биосферы в ноосферу? Какую роль играют в этом глобальные системы коммуникации, развитие новых источников энергии, усиление международных культурных и политических связей, выход человека и биосферы за пределы Земли – в космос?

Название: Химия субтропических и пищевкусовых продуктов
Автор: Г. Касьянов, И. Мохначев, И. Татарченко
Издательство: Академия
Год: 2003
Страниц: 256
Формат: pdf
Размер: 29 mb

Приведены сведения о физических и химических свойствах табака, чая и кофе. Показана роль химических компонентов в биохимических и физико-химических процессах переработки сырья. Рассмотрен химический состав табака, табачного дыма, чайного листа, кофейных зерен.
Для студентов высших учебных заведений, обучающихся по специальности 270600 "Технология субтропических и пищевкусовых продуктов".

Название: Textbook of Pharmaceutical Inorganic Chemistry
Автор: Gupta A.K.
Издательство: CBS Publishers and Distributors
Год: 2023
Формат: pdf
Страниц: 186
Размер: 11,4 Мб
Язык: английский

Covers the basic inorganic chemistry essentials required by the undergraduate pharmacy students, though students of chemistry, biology and related courses will also find this is an interesting and valuable book. Salient features of the book gives an overview of general aspects and their importance, with emphasis on harmaceutical applications. is a classic common textbook for an undergraduate course in inorganic chemistry providing a comprehensive pedagogical framework to support students with key points.provides good introduction of the subject; describes various inorganic compounds, minimum chemical facts and concepts that are necessary to understand modern inorganic chemistry.gives advanced and comprehensive descriptive coverage of all the official compounds included with a strong focus on preparation, properties, assay and pharmaceutical applications.is written in a comprehensive manner with updated details of the topics covered in the syllabus. includes examples and exercises, revision exercises at the end of the every unit in the form of multiple choice questions, fill in the blanks, short answer questions and long answer questions to help the students prepare better for their examinations.

Название: Theoretical Foundations and Numerical Methods for Sparse Recovery
Серия: Radon Series on Computational and Applied Mathematics, 9
Автор: Massimo Fornasier
Издательство: Walter de Gruyter
Год: 2010
Формат: pdf
Страниц: 357
Размер: 13,2 Мб
Язык: английский

The present collection is the very first contribution of this type in the field of sparse recovery. Compressed sensing is one of the important facets of the broader concept presented in the book, which by now has made connections with other branches such as mathematical imaging, inverse problems, numerical analysis and simulation.
The book consists of four lecture notes of courses given at the Summer School on "Theoretical Foundations and Numerical Methods for Sparse Recovery" held at the Johann Radon Institute for Computational and Applied Mathematics in Linz, Austria, in September 2009. This unique collection will be of value for a broad community and may serve as a textbook for graduate courses.

Название: Symplectic Methods for the Symplectic Eigenproblem
Автор: Heike Fassbender
Издательство: Kluwer
Год: 2002
Формат: pdf
Страниц: 286
Размер: 11,6 Мб
Язык: английский

The solution of eigenvalue problems is an integral part of many scientific computations. For example, the numerical solution of problems in structural dynamics, electrical networks, macro-economics, quantum chemistry, and c- trol theory often requires solving eigenvalue problems. The coefficient matrix of the eigenvalue problem may be small to medium sized and dense, or large and sparse (containing many zeroelements). In the past tremendous advances have been achieved in the solution methods for symmetric eigenvalue pr- lems. The state of the art for nonsymmetric problems is not so advanced; nonsymmetric eigenvalue problems can be hopelessly difficult to solve in some situations due, for example, to poor conditioning. Good numerical algorithms for nonsymmetric eigenvalue problems also tend to be far more complex than their symmetric counterparts. This book deals with methods for solving a special nonsymmetric eig- value problem; the symplectic eigenvalue problem. The symplectic eigenvalue problem is helpful, e.g., in analyzing a number of different questions that arise in linear control theory for discrete-time systems. Certain quadratic eigenvalue problems arising, e.g., in finite element discretization in structural analysis, in acoustic simulation of poro-elastic materials, or in the elastic deformation of anisotropic materials can also lead to symplectic eigenvalue problems. The problem appears in other applications as well.

Название: Solving Numerical PDEs: Problems, Applications, Exercises
Автор: Luca Formaggia, Fausto Saleri, Alessandro Veneziani
Издательство: Springer
Год: 2012
Формат: pdf
Страниц: 436
Размер: 18,1 Мб
Язык: английский

This book stems from the long standing teaching experience of the authors in the courses on Numerical Methods in Engineering and Numerical Methods for Partial Differential Equations given to undergraduate and graduate students of Politecnico di Milano (Italy), EPFL Lausanne (Switzerland), University of Bergamo (Italy) and Emory University (Atlanta, USA). It aims at introducing students to the numerical approximation of Partial Differential Equations (PDEs). One of the difficulties of this subject is to identify the right trade-off between theoretical concepts and their actual use in practice. With this collection of examples and exercises we try to address this issue by illustrating "academic" examples which focus on basic concepts of Numerical Analysis as well as problems derived from practical application which the student is encouraged to formalize in terms of PDEs, analyze and solve. The latter examples are derived from the experience of the authors in research project developed in collaboration with scientists of different fields (biology, medicine, etc.) and industry. We wanted this book to be useful both to readers more interested in the theoretical aspects and those more concerned with the numerical implementation.

Название: The Plateau Problem, Parts 1 and 2
Автор: A.T. Fomenko
Издательство: CRC Press
Год: 1990
Формат: djvu
Страниц: 233 / 264
Размер: 14,4 Мб
Язык: английский


The two parts of this book explore the history and current state of the theory of minimal surfaces. The first part charts the historical origins of the Plateau problem, while the second part demonstrates the connections between the theory of minimal surfaces and modern branches of mathematics.

Название: Земля и Космос. Земное эхо космических бурь
Автор: Чижевский А.Л.
Издательство: М.: Академический проект
Год: 2020
Формат: djvu
Страниц: 272
Размер: 16 mb
Язык: Русский

Жизнь биосферы Земли зависит от солнечных явлений. Чижевский впервые показал степень этой зависимости и ее глубину. После Чижевского в науку вошло представление о том, что все многообразие сферы живого на Земле послушно закономерной и капризной динамике сложнейших физических процессов на поверхности и в недрах Солнца. Научные дерзания и достижения А.Л. Чижевского уместно сравнить с подвигом Николая Коперника. Подобно тому, узревшему действительное движение Земли в Космосе, он в свою очередь установил, что все земное пульсирует в ритме Солнца, что все субстанциальные процессы в ее взаимодействующих друг с другом оболочках развиваются в согласии с ним.

Название: Electricity and Magnetism, 3rd Edition
Автор: Edward M. Purcell, David J. Morin
Издательство: Cambridge University Press
Год: 2013
Формат: pdf
Страниц: 322
Размер: 12,3 Мб
Язык:

For 50 years, Edward M. Purcell's classic textbook has introduced students to the world of electricity and magnetism. The third edition has been brought up to date and is now in SI units. It features hundreds of new examples, problems. figures. contains discussions of real life applications. The textbook covers all the standard introductory topics, such as electrostatics, magnetism, circuits, electromagnetic waves. electric and magnetic fields in matter. Taking a nontraditional approach, magnetism is derived as a relativistic effect. Mathematical concepts are introduced in parallel with the physics topics at hand, making the motivations clear. Macroscopic phenomena are derived rigorously from the underlying microscopic physics. With worked examples, hundreds of illustrations. nearly 600 end of chapter problems and exercises, this textbook is ideal for electricity and magnetism courses.

Название: A Concise History Of Mathematics
Автор: Dirk J. Struik
Издательство: G. Bell And Sons
Год: 1954
Формат: pdf
Страниц: 302
Размер: 38,8 Мб
Язык: английский

Beginning with the ancient Near East, the author traces the ideas and techniques developed in Egypt, Babylonia, China, and Arabia, looking into such manuscripts as the Egyptian Papyrus Rhind, the Ten Classics of China, and the Siddhantas of India. He considers Greek and Roman developments from their beginnings in Ionian rationalism to the fall of Constantinople; covers medieval European ideas and Renaissance trends; analyzes 17th- and 18th-century contributions; and offers an illuminating exposition of 19th century concepts. Every important figure in mathematical history is dealt with — Euclid, Archimedes, Diophantus, Omar Khayyam, Boethius, Fermat, Pascal, Newton, Leibniz, Fourier, Gauss, Riemann, Cantor, and many others. For this latest edition, Dr. Struik has both revised and updated the existing text, and also added a new chapter on the mathematics of the first half of the 20th century. Concise coverage is given to set theory, the influence of relativity and quantum theory, tensor calculus, the Lebesgue integral, the calculus of variations, and other important ideas and concepts. The book concludes with the beginnings of the computer era and the seminal work of von Neumann, Turing, Wiener, and others.