Abstract: A computer implemented method of identifying contacts of an electrode implanted into the brain of a subject via bolts through the skull of the subject, based on an image of the subject, the method comprising: identifying at least one bolt region of the image corresponding to a bolt; identifying one or more contact regions of the image corresponding to electrode contacts; determining contact regions associated with an identified bolt region by searching for identified contact regions, the search being performed based on a search axis extending from the identified bolt region, the direction of the search axis being determined based on the identified bolt region.

Abstract: A computer implemented method of identifying contacts of an electrode implanted into the brain of a subject via bolts through the skull of the subject, based on an image of the subject, the method comprising: identifying at least one bolt region of the image corresponding to a bolt; identifying one or more contact regions of the image corresponding to electrode contacts; determining contact regions associated with an identified bolt region by searching for identified contact regions, the search being performed based on a search axis extending from the identified bolt region, the direction of the search axis being determined based on the identified bolt region.

Abstract: A system includes a cooling system and a cleaning system. The cooling system has a first pump, a heat exchanger, a liquid flow path through the first pump and the heat exchanger, a first cooling fan, and an airflow path through the first cooling fan and along an exterior surface of the heat exchanger. The cleaning system has at least one fluid outlet that may direct a fluid jet against the exterior surface of the heat exchanger to clean the exterior surface during operation of the cooling system.

Abstract: A catalyst useful for the simultaneous and selective hydrogenation of diolefins and nitriles present in a hydrocarbon feedstock. The support material is preferably selected from the group consisting of an inorganic oxide-zeolite composite, carbon and zeolite. A catalytically active phase is deposited on the support material. The catalytically active metal phase is selected from the group consisting of partially reduced Group IB metals and completely reduced Group VIII metals. The catalytically active metal phase is present in an amount of .gtoreq.0.03 wt %. A process using the catalyst involves counter current flow of feedstock and hydrogen in the presence of the catalyst.

Abstract: A process for separating substantially dry asphaltenes of high softening point from heavy hydrocarbon material comprising:(a) admixing heavy hydrocarbon material containing asphaltenes with a solution of deasphalted oil and an aliphatic hydrocarbon precipitant in a first mixing zone to form a mixture and precipitate asphaltenes;(b) in a first separation zone the mixture from step (a) into (i) a first solution of deasphalted oil and precipitant and (ii) a slurry of solid asphaltene particles in a solution of precipitant and desasphalted oil;(c) separating the first solution of step (b) to obtain said precipitant and the deasphalted oil almost free of asphaltenes;(d) introducing the slurry of asphaltenes of step (b) into a second mixing zone and washing the slurry with a volume of fresh precipitant to remove deasphalted oil;(e) introducing the mixture from the second mixing zone into a second separation zone that comprises a centrifugal decanter to separate a liquid phase from a highly concentrated slurry of so