Results 91 to 100 of about 82,213 (177)

Determinação de coeficiente de difusão de esteres e reações de transesterificação catalisadas por enzimas imobilizadas em organo-gel [PDF]

open access: yes, 1994
Dissertação (Mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas.Neste trabalho, foi estudado o grau de impedimento imposto pelas barreiras difusionais de ésteres quando estes passam do meio reacional para o gel e
João, Jair Juarez
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Electrophilic fluorinatíon of ethers and deactivated benzene derivatives [PDF]

open access: yes, 2005
Chapter 1 - Chapter 1 provides a literature review of the relevant topics for this thesis in organofluorine chemistry: effect of fluorine as a substituent on the molecule, synthesis of C-F bond from C-H bond using electrophilic reagents with discussions ...
Trmčić, Jelena
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Misconceptions on fluoronium ions and hypervalent fluorine cations

open access: yes, 2017
In a recent publication (Science, 2013, 340, 57), indirect experimental evidence was presented for the transient generation in solution of a fluorine atom symmetrically bonded to two carbon atoms.
Christe, Karl O.   +10 more
core   +1 more source

Tribological properties of room temperature fluorinated graphite heat-treated under fluorine atmosphere [PDF]

open access: yes, 2010
This work is concerned with the study of the tribologic properties of room temperature fluorinated graphite heat-treated under fluorine atmosphere. The fluorinated compounds all present good intrinsic friction properties (friction coefficient in the ...
Delabarre, Céline   +15 more
core   +1 more source

Fluorine chemistry at the millennium : fascinated by fluorine /

open access: yes, 2000
This volume brings together contributions by leading researchers covering a wide scope so characteristic of fluorine chemistry. It was in 1986 that the centennial of the isolation of fluorine by Moissan was celebrated, and much was said at the time about
Banks, R. E.(Ronald Eric),
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Fluorine-19 Magnetic Resonance Imaging of activated platelets

open access: yes, 2020
A research letter describing an innovative method for imaging activated platelets using advanced fluorine‐19 magnetic resonance imaging.
J Palasubramaniam (10049237)   +11 more
core   +1 more source

Review of fluorine cells and fluorine production facilities.

open access: yes, 1973
The development of laboratory and industrial scale electrolytic cells used for the generation of fluorine is reviewed and the construction and operating characteristics of these cells are examined in detail.
Royston, D, Ring, RJ
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Electrophilic fluorination at saturated carbon [PDF]

open access: yes, 2000
Chapter 1 - Chapter 1 contains a discussion of the preparation and properties of elemental fluorine. A review of the use of elemental fluorine as a selective fluorinating in organic chemistry is given and the preparation and use of other selective ...
Parsons, Mandy
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Effect of Fluorine Implantation Dose on Boron Transient Enhanced Diffusion and Boron Thermal Diffusion in Si1-xGex

open access: yes, 2005
This paper studies how boron transient enhanced diffusion (TED) and boron thermal diffusion in Si1-xGex are influenced by a high-energy fluorine implant at a dose in the range 5 × 1014 cm-2 to 1 × 1016 cm-2.
Ashburn, Peter   +21 more
core   +1 more source

Electrophilic fluorination methodology [PDF]

open access: yes, 2002
Chapter One This chapter reviews the historical background of the fluorination using both elemental fluorine and N-F reagents. It relates the properties and preparations of these electrophilic reagents.
Thomas, Emmanuelle Maitrise de Chimie
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