Abstract: Methods, systems, and devices for integrating a pivot table in a logical-to-physical mapping of a memory system are described. The memory system may receive a read command and read a first entry of a first subset of mapping and a second entry of a second subset of mapping. The second entry may include at least a portion of a pivot table associated with physical addresses of a non-volatile memory device. The memory system may retrieve data from a physical address identified in the pivot table, rather than access a different portion of the logical-to-physical mapping. The memory system may transmit, to a host system, the data retrieved from the physical address identified in the pivot table.

Abstract: Methods, systems, and devices for integrating a pivot table in a logical-to-physical mapping of a memory system are described. The memory system may receive a read command and read a first entry of a first subset of mapping and a second entry of a second subset of mapping. The second entry may include at least a portion of a pivot table associated with physical addresses of a non-volatile memory device. The memory system may retrieve data from a physical address identified in the pivot table, rather than access a different portion of the logical-to-physical mapping. The memory system may transmit, to a host system, the data retrieved from the physical address identified in the pivot table.

Abstract: A memory device includes a memory array configured with a plurality of memory planes, and control logic, operatively coupled with the memory array. The control logic receives, from a requestor, a plurality of cache read commands requesting first data from the memory array spread across the plurality of memory planes and receives, from the requestor, a cache read context switch command and a snap read command requesting second data from one of the plurality of memory planes of the memory array. Responsive to receiving the cache read context switch command, the control logic suspends processing of the plurality of cache read commands and processes the snap read command to read the second data from the memory array and return the second data to the requestor.

Abstract: A fastener cover for a flanged joint including first and second annular flanges extending about an axis, comprising: an annular, axially-extending, inboard wall; an annular, axially-extending outboard wall positioned radially outboard of the inboard wall; and a first radial wall interconnecting the inboard and outboard walls, wherein, collectively, the inboard and outboard walls and the first radial wall define a cavity for receiving a portion of a fastener; at least one fastener pocket including sidewalls extending axially away from the first radial wall and defining a tubular shape, which is closed off opposite the first radial wall by a floor plate having a clearance hole passing therethrough for accepting a shank of the fastener; and wherein the cover includes a balance weight receptacle for accepting at least one balance weight.

Abstract: A method of starting a gas turbine and related apparatus, the method including keeping a main fuel line in a sealed state while allowing fuel to flow from a fuel source to at least one nozzle of a nozzle array via an auxiliary fuel line; firing a gas turbine while keeping the main fuel line in the sealed state; and after combustion has started: opening the main fuel line to commence a flow of fuel from the fuel source to the at least one nozzle of the nozzle array via the main fuel line, sealing the auxiliary fuel line, and after the auxiliary fuel line is sealed, increasing the flow of fuel from the fuel source to the at least one nozzle of the nozzle array via the main fuel line.

Abstract: A variety of applications can include apparatus and/or methods of operating the apparatus in which storage in the memory device is managed. An allocation can include conducting a garbage collection procedure to free up one or more blocks. In various embodiments, execution of a garbage collection procedure can be based on operation of two tables with respect to a logical to physical mapping table split into logical to physical mapping table regions saved in the memory device. The first table can maintain counts of valid pages in blocks for a logical to physical mapping table region. The second table can include bits to identify logical to physical mapping table regions involved in the garbage collection procedure based on the entries in the first table. Search of the second table can determine logical to physical mapping table regions involved in the garbage collection. Additional apparatus, systems, and methods are disclosed.

Abstract: A safety helmet is disclosed having a shell and a comfort liner coupled to the inner surface of the shell. The comfort liner is constrained to the front part and to the rear part of the shell, and the helmet has a webbing arranged between the shell and the comfort liner along the upper median portion of the comfort liner. The webbing has a front end constrained to the front part of the comfort liner and a rear end to move the webbing with respect to the shell and cause consequently the change of the overall dimensions of the comfort liner inside the helmet. The webbing is constrained, with respect to the shell, in an operative position corresponding to the overall dimensions of the comfort liner inside the helmet.

Abstract: Methods, systems, and devices for data relocation operation techniques are described. A memory system may include blocks of memory cells, for example, within a non-volatile memory device of the memory system. The memory system may identify a command to perform a data relocation operation associated with a block of memory cells and may select between a first procedure and a second procedure for performing the data relocation operation. The memory system may select between the first procedure and the second procedure based on whether one or more parameters associated with the data relocation operation satisfy a threshold. For example, the memory system may select the first procedure if the one or more parameters satisfy the threshold and may select the second procedure if the one or more parameters do not satisfy the threshold. The memory system may perform the data relocation operation using the selected procedure.

Abstract: A turbomachine includes a rotatable annular outer drum rotor connected to a first plurality of blades. The rotatable annular outer drum rotor is constructed of, at least, a first drum segment and a second drum segment. The turbomachine further includes a retaining ring arranged and secured between the first and second drum segments of the rotatable annular outer drum rotor for radially retaining each of the first plurality of blades via their respective blade root portions within the rotatable annular outer drum rotor.

Abstract: Non-aromatic fluoroalkenyl heterocyclic compounds having general formula (I), agronomic compositions containing said compounds having formula (I) and their use for the control of nematodes in agricultural crops, are described.

Abstract: The present invention relates to iPSC produced from fibroblast obtained from a subject affected by a neurodevelopmental disorder entailing intellectual disability (ID) and/or a disorder belonging to the Autism Spectrum Disorder (ASD) and/or Schizophrenia (SZ) and uses thereof. The present invention also relates to a cortical neural progenitor cell or a terminally differentiated cortical glutamatergic or gabaergic neuronal cell or a neural crest stem cell line, a mesenchymal stem cell line produced from the iPSC or iPSC line. The invention also relates to method for identifying a compound for the treatment and/or prevention of a neurodevelopmental disorder entailing intellectual disability (ID) and/or a disorder belonging to the Autism Spectrum Disorder (ASD) and/or Schizophrenia (SZ) and to a LSD1 inhibitor or a HDAC2 inhibitor for use in the treatment of such disorders.

Abstract: Devices and techniques for NAND logical-to-physical table region tracking are described herein. A write request, including a logical page and data to be written at the logical page, is received at a controller of a NAND device. The NAND controller may then establish an entry in a logical-to-physical (L2P) mapping table between the logical page and a physical page of a physical block of the NAND device to which the data is written. Here, the entry may be in a region of the L2P mapping table that is one of multiple regions. An indication of the region may be written in a data structure corresponding to the physical block.

Abstract: The present invention relates to apparatuses, computer programs, and methods for visual ametropia correction. In a first example, a position of a desired focusing point relative to a retina of an individual eye may be determined, based on obtained topographic information of the anterior surface and of the posterior surface of the cornea, and refractive aberration information for the eye. In a second example, correction information relating to the anterior surface of the cornea may be determined, such as to optimize focusing onto a retina of the eye, based on the obtained topographic information of the anterior surface and of the posterior surface of the cornea and based on obtained topographic information of an anterior surface and of a posterior surface of a lens of the individual eye.

Abstract: A turbomachine, a computing system for a turbomachine, and a method for overspeed protection are provided. The turbomachine includes a first rotor assembly interdigitated with a second rotor assembly together operably coupled to a gear assembly. A plurality of sensors is configured to receive rotor state data indicative of one or more of a speed, geometric dimension, or capacitance, or change thereof, or rate of change thereof, relative to the first rotor assembly or the second rotor assembly. A controller executes operations including receiving rotor state data from the plurality of sensors; comparing rotor state data to one or more rotor state limits; and contacting one or more of the first rotor assembly or the second rotor assembly to a contact surface adjacent to the respective first rotor assembly or the second rotor assembly if the rotor state data exceeds the rotor state limit.

Abstract: Devices and techniques for synchronizing NAND logical-to-physical table region tracking are described herein. Table region data structures for physical blocks are maintained. These structures include logical-to-physical (L2P) mapping table portions that point to the respective physical blocks. When garbage collection is performed on a block, table region structures for that block, and another (e.g., the next block to be garbage collected) are read to avoid loading L2P table regions that do not point to the block. If any of the read portions of the L2P table region fail to point to either the block or the other block, these L2P table portions are removed from the loaded table region data structures.

Abstract: A method of servicing a gas turbine engine, the method including preparing the gas turbine engine for service; installing a shaft protection cover to an aft end of a fan shaft of the gas turbine engine; installing an oil collector drum at least partially around a gearbox of the gas turbine engine; and removing at least a portion of the gearbox from the gas turbine engine.

Abstract: A method for engine assembly is provided, the method including forming an interdigitated rotor assembly comprising an inner rotor assembly rotatable at a first speed different from an outer rotor assembly rotatable at a second speed; fastening a gear assembly to the interdigitated rotor assembly to form an interdigitated turbine assembly; and coupling the interdigitated turbine assembly to a gas generator, wherein coupling the interdigitated turbine assembly to the gas generator includes coupling a planet carrier assembly of the gear assembly to a static frame of the gas generator.

Abstract: The present invention related to theophylline derivatives having general formula (I) agronomic compositions containing said compounds having formula (I) and analogous compounds having formula (XVI) and their use for the control of nematodes in agricultural crops. These compounds advantageously prove to be both effective against parasites and free of phytotoxicity.

Abstract: Devices and techniques for NAND logical-to-physical table region tracking are described herein. A write request, including a logical page and data to be written at the logical page, is received at a controller of a NAND device. The NAND controller may then establish an entry in a logical-to-physical (L2P) mapping table between the logical page and a physical page of a physical block of the NAND device to which the data is written. Here, the entry may be in a region of the L2P mapping table that is one of multiple regions. An indication of the region may be written in a data structure corresponding to the physical block.

Abstract: Devices and techniques for controlling NAND operation latency are described herein. A controlled can receive a write request. The controller can then calculate a number of garbage collection operations to perform on a physical block that is closed. Here, the calculation includes adding a logical-to-physical (L2P) region search ratio to a cadence calculation for garbage collection. Garbage collection operations can be performed on the physical block in accordance with the calculated number of garbage collection operations to perform. Then, the controller can perform the write request in response to completing the calculated number of garbage collection operations.