摘要:
The present invention provides a process for the preparation of aminoarylborane compounds and derivatives thereof comprising a step of arylation by reacting an aryl chloride with an aminoborane compound in the presence of a catalytic system. Typically, the transformation comprises converting an arylchloride ArCI with an aminoborane such as (I) into an aminoarylborane compound of the following formula: (II).
摘要:
The present invention relates to a method for exfoliating graphite in carbonaceous materials facilitated by a Diels-Alder reaction, and the applications of same, in particular for producing electronic or microelectronic components such as transparent conductive electrodes. The method of the invention is characterised in that it comprises a Diels-Alder reaction between a material containing graphite and an anthrone compound represented by the following formula (I), in which X, R1, R2, R3 and R4 are as defined in the description, in an organic solvent, in the presence of a base, and subjected to sonication, crushing and/or mixing, at a temperature of between 15°C and 65°C, to obtain the corresponding graphene Diels-Alder adduct.
摘要:
The present invention relates to a method for functionalising carbon structures, in particular carbon nanotubes, including the reaction of carbon structures with, as sole oxidising agent, one or more compounds including only atoms of oxygen and optionally hydrogen, in a fluid medium, under pressure and at high temperature, containing carbon dioxide. The invention further relates to the carbon structures that can be obtained according to said method, as well as to the uses thereof, in particular for the production of metal or bi-metal nanostructured composite materials.
摘要:
The present invention relates to a lignin depolymerization method including a step for placing at least one manganese salt, tungstophosphoric acid or one of the salts thereof, and an oxidizing agent in the presence of lignin, in at least one solvent.
摘要:
The invention relates to stable compositions comprising carbon nanotubes and polymer electrolytes, said polymer electrolytes being characterised by the presence of phosphonyl imide or sulphonyl imide or even phosphoric acid functions. The invention also relates to the production of transparent electrodes comprising said compositions of carbon nanotubes and polymer electrolytes.
摘要:
The invention relates to a new surface preparation method using molecules comprising at least one covalent bond which gives rise to free radicals when the molecule is activated thermally, by organic or inorganic redox, photochemically, by plasma, by shear or else under the influence of ionizing radiation.
摘要:
The invention pertains to a method for enhancing the determination, from a seismic image, of at least a portion of a seismic horizon in a three-dimensional domain, wherein said method comprises: - receiving the seismic image; - receiving a plurality of related control points; - defining pseudo-rectangles; - for each pseudo-rectangle: - applying a diffeomorphic transformation F : - defining a new domain; - transforming points of the seismic image; - transforming said pseudo-rectangle into a corresponding rectangle; - applying a horizon reconstruction algorithm to the transformed points, to determine a part of a transformed horizon, the reconstruction comprising solving a Poisson equation; - computing a part of the horizon, said computing comprising applying an inverse diffeomorphic transformation F 1 to the determined part of a transformed horizon.
摘要:
A process for assigning audio data in missing audio parts of a music piece, comprising the steps of: - execution of musical features extraction on the music piece such that the music piece is represented by a string (u) of musical features, each musical feature being represented by a sequence or a set of one or more symbols of a predetermined alphabet; - definition of a similarity measure for measuring the similarity between substrings of musical features; - definition of a substring (nu &phis; ) of missing audio parts in the string (u) of musical features; - location of at least one substring (v) of a predetermined size immediately before, respectively after the substring (nu &phis; ) of missing audio parts; - application of the similarity measure for identifying a reference substring (u 1 or u 2 ) including the at least one substring (v) of a predetermined size at its beginning, respectively at its end, the reference substring (u 1 or u 2 ) best matching to the substring (nu &phis; ) of missing audio parts; - substitution of said substring (nu &phis; ) of missing audio parts by audio data from the identified reference substring.