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Applications of Wet-End Paper Chemistry

Applications of Wet-End Paper Chemistry PDF Author: Ian Thorn
Publisher: Springer Science & Business Media
ISBN: 9781402060380
Category : Science
Languages : en
Pages : 226

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Book Description
"Applications of Wet-end Paper Chemistry" bridges the gap between the theory and practice of wet-end paper chemistry by explaining how particular chemicals are chosen and put to use in real situations. A number of international experts in the field present recent contributions on the optimum use of chemicals in papermaking. Major inroads have taken place since the first edition of this title was published in 1995. This new edition of "Applications of Wet-end Paper Chemistry" will reflect the changing type and use of chemicals used in papermaking in the 21st century. Chemists and chemical engineers across the paper and pulp making industry, as well as in research and academic institutes will find this book of enormous practical value.

Applications of Wet-End Paper Chemistry

Applications of Wet-End Paper Chemistry PDF Author: Ian Thorn
Publisher: Springer Science & Business Media
ISBN: 9781402060380
Category : Science
Languages : en
Pages : 226

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Book Description
"Applications of Wet-end Paper Chemistry" bridges the gap between the theory and practice of wet-end paper chemistry by explaining how particular chemicals are chosen and put to use in real situations. A number of international experts in the field present recent contributions on the optimum use of chemicals in papermaking. Major inroads have taken place since the first edition of this title was published in 1995. This new edition of "Applications of Wet-end Paper Chemistry" will reflect the changing type and use of chemicals used in papermaking in the 21st century. Chemists and chemical engineers across the paper and pulp making industry, as well as in research and academic institutes will find this book of enormous practical value.

Paper Chemistry

Paper Chemistry PDF Author: J.C. Roberts
Publisher: Springer Science & Business Media
ISBN: 9401106053
Category : Technology & Engineering
Languages : en
Pages : 267

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Book Description
Although the title of this book is Paper Chemistry, it should be considered as a text about the chemistry of the formation of paper from aqueous suspensions of fibre and other additives, rather than as a book about the chemistry of the raw material itself. It is the subject of what papermakers call wet-end chemistry. There are many other excellent texts on the chemistry of cellulose and apart from one chapter on the accessibility of cellulose, the subject is not addressed here. Neither does the book deal with the chemistry of pulp preparation (from wood, from other plant sources or from recycled fibres), for there are also many excellent texts on this subject. The first edition of this book was a great success and soon became established as one of the Bibles of the industry. Its achievement then was to collect the considerable advances in understanding which had been made in the chemistry of papermaking in previous years, and provide, for the first time, a sound physico chemical basis of the subject. This new edition has been thoroughly updated with much new material added. The formation of paper is a continuous filtration process in which cellulosic fibres are formed into a network which is then pressed and dried. The important chemistry involved in this process is firstly the retention of col loidal material during filtration and secondly the modification of fibre and sheet properties so as to widen the scope for the use of paper and board products.

Abstract Bulletin of the Institute of Paper Chemistry

Abstract Bulletin of the Institute of Paper Chemistry PDF Author:
Publisher:
ISBN:
Category : Paper
Languages : en
Pages :

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Surface Application of Paper Chemicals

Surface Application of Paper Chemicals PDF Author: J. Brander
Publisher: Springer Science & Business Media
ISBN: 9780751403701
Category : Technology & Engineering
Languages : en
Pages : 263

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Book Description
With the exception of a slight hiccup during the height of the recent environmental movement (during the early 1990s), when for a year or two consumers were prepared to pay a price premium for lower quality recycled paper than for the virgin product, the inexorable improvement in the quality demanded of paper products continues. This demand for quality covers not only the aesthetics ofthe product but also its performance. Moreover, it is becoming increasingly the case that papers designed for a particular use must, as it were incidentally, also perform well in alternative applications. An example is that of office and printing papers, which are expected to perform as well in copier machines as in all the various forms of impact and non-impact printers. But even greater demands are made in other product areas, where board designed for dry foods can also be expected to protect moist and fatty materials and be made of 100% recycled fibre. The need to isolate foodstuffs from some of the contaminants that can affect recycled board is a· serious challenge. Thus, papermakers are constantly striving to meet a broadening spectrum of demands on their products; often while accepting declining quality of raw materials. The product design philosophy that has arisen in response to this is increasingly to isolate the bulk of a paper from its uses: to engineer the needed performance characteristics into the paper surfaces while more or less ignoring what happens inside.

Quantum Chemistry

Quantum Chemistry PDF Author: Hinne Hettema
Publisher: World Scientific
ISBN: 981449853X
Category : Science
Languages : en
Pages : 520

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Book Description
Chemical physics is presently a very active field, where theoretical computation and accurate experimentation have led to a host of exciting new results. Among these are the possibility of state-to-state reactive scattering, the insights in non-adiabatic chemistry, and, from the computational perspective, the use of explicitly correlated functions in quantum chemistry. Many of these present-day developments use ideas, derivations and results that were obtained in the very early days of quantum theory, in the 1920s and 1930s. Much of this material is hard to study for readers not familiar with German. This volume presents English translations of some of the most important papers. The choice of material is made with the relevance to present-day researchers in mind. Included are seminal papers by M Born and J R Oppenheimer, J von Neumann and E Wigner, E A Hylleraas, F London, F Hund, H A Kramers, R de L Kronig and F Hückel, among others. Contents:Nuclear and Electronic Motion:M Born and R Oppenheimer, Ann. Phys. (Leipzig). 84, 457 (1927)J von Neumann and E Wigner, Phys. Z. 30, 467 (1929)F London, Z. Phys. 74, 143 (1932)R Renner, Z. Phys. 92, 172 (1934)Theory of Atoms:E A Hylleraas, Z. Phys. 48, 469 (1929)E A Hylleraas, Z. Phys. 54, 347 (1929)E A Hylleraas, Naturwissenschaften 17, 982 (1930)E A Hylleraas, Z. Phys. 65, 209 (1930)Theory of the Chemical Bond:W Heitler & F London, Z. Phys. 44, 455 (1927)F London, Z. Phys. 46, 455 (1928)E A Hylleraas, Z. Phys. 71, 739 (1931)Spectroscopy:F Hund, Z. Phys. 36, 657 (1926)F Hund, Z. Phys. 40, 742 (1927)G Wentzel, Z. Phys. 43, 524 (1927)E Fues, Z. Phys. 43, 726 (1927)F Hund, Z. Phys. 43, 805 (1927)R de L Kronig, Z. Phys. 50, 347 (1928)E Wigner and E E Witmer, Z. Phys. 51, 859 (1928)H A Kramers, Z. Phys. 53, 422 & 429 (1929)R de L Kronig, Z. Phys. 62, 300 (1930)Intermolecular Interactions:R Eisenschitz and F London, Z. Phys. 60, 491 (1930)F London, Z. Phys. 63, 245 (1930)F London, Z. Phys. Chem. B11, 222 (1930)H Eyring and M Polanyi, Z. Phys. Chem. B12, 279 (1931)Approximative Methods:E Hückel, Z. Phys. 70, 204 (1931) Readership: Physical chemists, chemical physicists and spectroscopists. keywords: “It is a laudable effort by Hettema to select, introduce and translate a well chosen set of papers by pioneers in the field from the original German into English and to make them available to a wider readership …” International Journal of Quantum Chemistry “It will have a lasting value for theoretical chemists and science historians.” Structural Chemistry “… is a finely produced, useful, and highly thought-provoking book.” Physics Today

Collected Papers on Philosophy of Chemistry

Collected Papers on Philosophy of Chemistry PDF Author: Eric R. Scerri
Publisher: World Scientific
ISBN: 1848161379
Category : Science
Languages : en
Pages : 235

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Book Description
This book represents a collection of papers from one of the founders of the new Philosophy of Chemistry. It is only the second single-author collection of papers on the Philosophy of Chemistry.The author is the editor-in-chief of Foundations of Chemistry, the leading journal in the field. He has recently gained worldwide success with his book on the periodic table of the elements titled The Periodic Table: Its Story and Its Significance. This volume provides an in-depth examination of his more philosophical and historical work in this area and further afield.

Collected Papers on Philosophy of Chemistry

Collected Papers on Philosophy of Chemistry PDF Author: Eric R Scerri
Publisher: World Scientific
ISBN: 1908978910
Category : Science
Languages : en
Pages : 248

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Book Description
This book represents a collection of papers from one of the founders of the new Philosophy of Chemistry. It is only the second single-author collection of papers on the Philosophy of Chemistry. The author is the editor-in-chief of Foundations of Chemistry, the leading journal in the field. He has recently gained worldwide success with his book on the periodic table of the elements titled The Periodic Table: Its Story and Its Significance. This volume provides an in-depth examination of his more philosophical and historical work in this area and further afield. Contents:Philosophy of Chemistry and the Question of Reduction:The Case for Philosophy of ChemistryPrediction of the Nature of Hafnium from Chemistry, Bohr's Theory and Quantum TheoryHas Chemistry Been at Least Approximately Reduced to Quantum Mechanics?Reduction and Emergence in ChemistryThe Periodic Table, Electronic Configurations and the Nature of the Elements:Has the Periodic Table Been Successfully Axiomatized?The Periodic Table: The Ultimate Paper Tool in Chemistry Naive Realism, Reduction and the ‘Intermediate Position’How Ab Inito is Ab Initio Quantum Chemistry? Foundations of ChemistrySome Aspects of the Metaphysics of Chemistry and the Nature of the ElementsRealism and Anti-Realism, and Educational Issues in Philosophy of Chemistry:Constructivism, Relativism and ChemistryThe Recently Claimed Observation of Atomic Orbitals and Some Related Philosophical IssuesNormative and Descriptive Philosophy of Science and the Role of Chemistry Readership: Philosophers, historians and students of science, science educators, physicists and chemists. Keywords:Philosophy of Science;Philosophy of Chemistry;Chemistry;Atomic Physics;Reductionism;History of Science;History of ChemistryReviews: “This is an outstanding and much anticipated volume, which collects in one place a number of the seminal papers written by one of the pioneers in the philosophy of chemistry … As a companion to Scerri's highly acclaimed book The Periodic Table, Its Story and Its Significance, this volume succeeds in bringing his important work on the many facets of the reductionism debate to the attention of a new group of readers, who need to appreciate the prominent role that this debate has played from the outset in all areas of the philosophy of chemistry, and the role that Scerri himself has played in this debate … The volume itself is handsomely produced and the selections are well chosen … Every scholar in the philosophy of chemistry will want to have this volume close, to dip into, to learn about the latest thinking of one of the leading scholars in the field, and to have as a handy collection of his earlier papers.” Foundations of Chemistry “Eric Scerri brings sound chemical, historical, and philosophic scholarship to bear on the many aspects of chemical teaching that concern long-standing philosophical puzzles. Such work illuminates chemical education in interesting and unexpected ways, and also may well contribute to resolving problems in academic philosophy that have resisted other approaches.” Science & Education “General readers (or chemists, science educators, or philosophers) seeking an overview of this area could find no more effective, concise, convenient entry into this important and actively developing field than the one that this volume provides.” Joseph E Earley Professor Emeritus Georgetown University, USA “…A collection of papers from one of the founders of the new philosophy of chemistry. It is only the second single–author collection of papers on the philosophy of chemistry.” Chemical & Engineering News “This volume is an important addition to the rapidly growing body of literature in the philosophy of chemistry. In its insight, liveliness, and broad coverage, it will be a rare treat for philosophers, historians, scientists and science educators alike.” AMBIX

Arihant CBSE Term 1 Chemistry Sample Papers Questions for Class 12 MCQ Books for 2021 (As Per CBSE Sample Papers issued on 2 Sep 2021)

Arihant CBSE Term 1 Chemistry Sample Papers Questions for Class 12 MCQ Books for 2021 (As Per CBSE Sample Papers issued on 2 Sep 2021) PDF Author: Abhishika Kaushik
Publisher: Arihant Publications India limited
ISBN: 9325795205
Category :
Languages : en
Pages : 183

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This year has witness major changes in the field of academics; where CBSE’s reduced syllabus was a pleasant surprise while the introduction of 2 Term exam pattern was little uncertain for students, parents and teachers as well. Now more than ever the Sample Papers have become paramount importance of subjects with the recent changes prescribed by the board. Give final punch to preparation for CBSE Term 1 examination with the all new edition of ‘Sample Question Papers’ that is designed as per CBSE Sample Paper that are issued on 02 Sept, 2021 for 2021 – 22 academic session. Encouraging with the motto of ‘Keep Practicing, Keep Scoring’, here’s presenting Sample Question Paper – Chemistry for Class 12th that consists of: 1. 10 Sample Papers along with OMR Sheet for quick revision of topics. 2. One Day Revision Notes to recall the concepts a day before exam 3. The Qualifiers – Chapterwise sets of MCQs to check preparation level of each chapter 4. CBSE Question Bank are given for complete practice 5. Latest CBSE Sample Paper along with detailed answers are provided for better understanding of subject. TOC One Day Revision, The Qualifiers, CBSE Qualifiers, CBSE Question Bank, Latest CBSE Sample Paper, Sample Paper (1- 10).

Scientific Papers, Dept. of Chemistry and Chemical Engineering

Scientific Papers, Dept. of Chemistry and Chemical Engineering PDF Author: University of California, Berkeley. College of Chemistry
Publisher:
ISBN:
Category :
Languages : en
Pages : 730

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PIMA's ... Papermaker

PIMA's ... Papermaker PDF Author:
Publisher:
ISBN:
Category : Paper industry
Languages : en
Pages :

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