Tungsten Complexes

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Tungsten Complexes

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Author : Harry Beckerman
language : en
Publisher:
Release Date : 1918

Tungsten Complexes written by Harry Beckerman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1918 with Tungsten categories.

Tungsten

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Author : Erik Lassner
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Tungsten written by Erik Lassner and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

Why does someone write a book about Tungsten? There are several reasons and precedents for this, the most important of which is that the last book on tungsten was written more than 20 years ago, in 1977, by St. W H. Yih and Ch T. Wang. During the intervening period there have been many new scientific and technological developments and innova tions, so it was not only our opinion but the view of many other members of the "tungsten family" that it was time to start writing a new book about tungsten. Preparations of the new book began in 1994. further impetus to the project was provided by the realization that in spite of this new knowledge having been presented at seminars or published in the technical press, a general acknowledgement of it by the majority of technicians and scientists is still far from being realized. It is our hope that this book will significantly contribute to a broader acceptance of recent scientific and technological innovations. An important prerequisite for such a project is the availability of a recently retired, experienced person willing to devote his time and talents to the tedious part of the exercise.

Tungsten And Its Compounds

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Author : G. D. Rieck
language : en
Publisher: Elsevier
Release Date : 2013-10-22

Tungsten And Its Compounds written by G. D. Rieck and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Science categories.

Tungsten and Its Compounds is a three-chapter text that explores the history, properties, production, and use of tungsten and its related compounds. The first chapter deals with the discovery, applications, ore occurrence, and production of tungsten. The second chapter describes the physico-chemical properties of elemental tungsten, including the structural, thermal, optical, electrical, and mechanical properties, as well as its preparation, production, reactivity, adsorption, electrochemical properties, and analytical aspects. This chapter also examines tungsten's metallographic properties, such as melting, powder metallurgy, singe crystals, and polycrystallinity. The third chapter reviews the properties of tungsten with other metals, metalloids, acids, and salts. This book is of value to inorganic, organic, and analytical chemists, as well as chemistry teachers and students.

Synthesis And Reactions Of Tungsten Complexes

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Author : Dariusz Wodka
language : en
Publisher:
Release Date : 1997

Synthesis And Reactions Of Tungsten Complexes written by Dariusz Wodka and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Tungsten categories.

Reactions Of Tungsten Complexes With Molecules Containing Nitrogen Nitrogen Bonds

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Author : Gregory Lee Hillhouse
language : en
Publisher:
Release Date : 1980

Reactions Of Tungsten Complexes With Molecules Containing Nitrogen Nitrogen Bonds written by Gregory Lee Hillhouse and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Diazoalkane categories.

Synthesis Reactivity And Electronic Structure Of Molybdenum And Tungsten Complexes

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Author : Kristine Quinlan
language : en
Publisher: Ann Arbor, Mich. : University Microfilms International
Release Date : 2002

Synthesis Reactivity And Electronic Structure Of Molybdenum And Tungsten Complexes written by Kristine Quinlan and has been published by Ann Arbor, Mich. : University Microfilms International this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.

Tungsten Complexes Containing Metal Carbon Multiple Bonds

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Author : Tsz Fai Leung
language : en
Publisher:
Release Date : 2017

Tungsten Complexes Containing Metal Carbon Multiple Bonds written by Tsz Fai Leung and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.

The Preparation And Characterization Of Some Tungsten Iv And Tungsten V Complexes

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Author : William Joseph Reagan
language : en
Publisher:
Release Date : 1970

The Preparation And Characterization Of Some Tungsten Iv And Tungsten V Complexes written by William Joseph Reagan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Tungsten categories.

Novel Strategies For The Synthesis Of Tungsten Vi And Molybdenum Vi Imido Oxo Alkylidene Nhc Complexes And Their Application In Ring Opening Metathesis Polymerization

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Author : Janis Musso
language : en
Publisher: Cuvillier Verlag
Release Date : 2022-05-12

Novel Strategies For The Synthesis Of Tungsten Vi And Molybdenum Vi Imido Oxo Alkylidene Nhc Complexes And Their Application In Ring Opening Metathesis Polymerization written by Janis Musso and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-05-12 with Science categories.

Recently, the synthesis of neutral and cationic group(VI) imido/oxo alkylidene N-heterocyclic carbene (NHC) complexes that tolerate protic functional groups and aldehydes was reported. Unprecedented turnover numbers of up to 1.2 million were found for their silica-supported representatives. Some group(VI) alkylidene NHC complexes even display stability towards moisture and air. Coordination of the NHC to tungsten imido bistriflate precursor complexes, however, can lead to undesired side reactions. This work consequently aimed at the development of novel, more efficient routes to neutral and cationic tungsten imido/oxo alkylidene NHC complexes. In addition, some molybdenum imido alkylidene NHC complexes were targeted. Thereby, the scope of synthetically accessible complexes was broadened and, subsequently, their reactivity in ring-opening metathesis polymerization (ROMP) was probed. Those complexes were used as thermally latent initiators for the ROMP of dicyclopentadiene. Precise determination of the onset temperature of polymerization was achieved via monitoring with differential scanning calorimetry. Furthermore, the selectivity of novel complexes was tested for the formation of stereoregular polymers through ROMP of enantiomerically pure norbornene derivatives, which allowed for the synthesis of up to 98% trans-isotactic or cis-syndiotactic polymers depending on the steric demand of the imido and the alkoxide ligand.

New Tungsten Complexes In The Aquo System

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Author : Michael Allison Willis
language : en
Publisher:
Release Date : 1976

New Tungsten Complexes In The Aquo System written by Michael Allison Willis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Tungsten complexes categories.