Results 91 to 100 of about 287 (158)
Lactobacillus iners dominates the vaginal microbiota of healthy Italian women of reproductive age
Vinerbi E +20 more
europepmc +1 more source
Centralizers of Finite Semicyclic Transformation Monoids
Centralizers of Finite Semicyclic Transformation Monoidsopenaire
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A Semicycle of Ground-Potential Rise
IRE Transactions on Communications Systems, 1972A brief description is presented of why the power utilities need communication during faults. Wire communication channels can supply this need when suitably protected. The maximum groundpotential rise is needed to select protective equipment. How this transient voltage is generated with its wave shape and duration is explained for a single phase-to ...
F. Hunt
exaly +3 more sources
Linear difference equations mod 2 with applications to nonlinear difference equations1
Journal of Difference Equations and Applications, 2008Lothar Berg, Stevo Stevic
exaly +2 more sources
Stability analysis of a population model with piecewise constant arguments
Nonlinear Analysis: Real World Applications, 2011Ismet ÖZTÜRK
exaly +2 more sources
Journal f�r Praktische Chemie/Chemiker-Zeitung, 1996
Conjugate addition of organocuprates to the 2-ethynyl-substituted cyclic iminium triflates 3 generates aminoallenes which tautomerize immediately to semicyclic 2-amino-1,3-dienes (6, 8) or exocyclic 1-amino-1,3-dienes (9, 10) with the enamine function incorporated into or attached to a 5-, 6-, or 7-membered ring.
G. Maas +3 more
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Conjugate addition of organocuprates to the 2-ethynyl-substituted cyclic iminium triflates 3 generates aminoallenes which tautomerize immediately to semicyclic 2-amino-1,3-dienes (6, 8) or exocyclic 1-amino-1,3-dienes (9, 10) with the enamine function incorporated into or attached to a 5-, 6-, or 7-membered ring.
G. Maas +3 more
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Numerical study on thermal oxidation of lean coal mine methane in a thermal flow-reversal reactor
Chemical Engineering Journal, 2018This paper presents a three-dimensional numerical investigation on thermal oxidation of lean coal mine methane in a thermal flow-reversal reactor by the finite volume method.
Bo Lan, You-Rong Li
semanticscholar +1 more source
SEMICYCLIC THIOACETALS AS SYNTHETIC BUILDING BLOCKS
Phosphorus, Sulfur, and Silicon and the Related Elements, 1991Abstract 1,3-Dithianes are very well known as “Umpolung” reagents, whereas open-chained thioacetals are far less useful for carbon-carbon bond formation reactions1.
Jürgen Voss +2 more
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IEEE Transactions on Plasma Science, 2019
High-intensity plasmas can release material from the surface of polymers by a process known as arc-induced ablation. As consequence, the formation of a near-surface layer of polymeric vapor is generally assumed.
J. Pettersson +3 more
semanticscholar +1 more source
High-intensity plasmas can release material from the surface of polymers by a process known as arc-induced ablation. As consequence, the formation of a near-surface layer of polymeric vapor is generally assumed.
J. Pettersson +3 more
semanticscholar +1 more source
Semicyclic 3‐Trifloxypropen‐ and Propyniminium Triflates
Liebigs Annalen der Chemie, 1994AbstractO‐Sulfonylation of 2‐oxomethylene‐substituted 1‐azaheterocycles 1 yields the 3‐trifloxypropeniminium triflates 2a–e in high yield. Thermal β‐elimination of triflic acid from these salts affords the propyniminium triflates (2‐ethynylcycliminium triflates) 3a–e.
Robert Reinhard +3 more
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