Abstract: A system and method for separating air by cryogenic distillation using a four column arrangement including a higher pressure column, a lower pressure column, an intermediate pressure column, and an argon column is provided. The disclosed system and method is particularly suited for production of normal purity oxygen and employs a once-through kettle column reboiler, a once-through kettle column condenser, and a once-through argon condenser. The once through argon condenser is disposed within the lower pressure column where an argon-rich vapor stream is condensed against the descending liquid in the lower pressure column.

Abstract: Systems and methods are disclosed for handling items for custom-sized multi-item packages. In one embodiment, an example system may include a multi-item loading component configured to support multiple items, the multi-item loading component including a first surface, a second surface disposed at an angle with respect to the first surface, a first sidewall configured to slide in a vertical direction from a raised position to a lowered position, and a second sidewall configured to slide in the vertical direction from the raised position to the lowered position. The system may include a pusher component configured to push the plurality of items off the multi-item loading component when the first sidewall and the second sidewall are in the lowered position.

Abstract: A method includes determining respective health characteristic values of blocks of non-volatile memory cells, determining, based on the respective health characteristic values and at least one effective health factor of the blocks of the non-volatile memory cells, effective respective health characteristic values of the blocks of non-volatile memory cells, and based on the effective respective health characteristic values, performing a media management operation involving a block of non-volatile memory cells of the blocks of non-volatile memory cells having an effective respective health characteristic value that is greater than a health criterion.

Abstract: Described herein are methods and apparatuses to obtain an image, or a set of images, of a user's teeth from one or more predetermined viewing angles. These methods and apparatuses may include guiding a user to capture a predetermined set of images of the user's teeth at specified views using an indicator that is output from a mobile telecommunications device, wherein the indicator indicates to the user one or more positions of the mobile telecommunications device relative to a mouth of the user. The captured images are uploaded to provide a treatment progress evaluation.

Abstract: A request to perform a memory access operation on a plurality of memory cells of a memory device is received. In response to determining that the request is from a host, a first error recovery operation is performed, wherein the first error recovery operation is associated with a first plurality of demarcation voltages. In response to determining that the request is from a controller, a second error recovery operation is performed, wherein the second error recovery operation is associated with a second plurality of demarcation voltages, wherein the second plurality of demarcation voltages comprises a greater number of demarcation voltages than the first plurality of demarcation voltages.

Abstract: An example method of threshold voltage offset calibration at memory device power up comprises: identifying a set of memory pages that have been programmed within a time window; determining, for each voltage offset bin of a plurality of voltage offset bins, a corresponding value of a data state metric produced by a memory access operation with respect to a memory page of the set of memory pages, wherein the memory access operation utilizes a voltage offset associated with the voltage offset bin; identifying a subset of the plurality of voltage offset bins, such that memory access operations performed using the corresponding voltage offsets produced respective values of the data state metric that satisfy a predefined quality criterion; selecting, among the subset of the plurality of voltage offset bins, a voltage offset bin that is associated with the lowest voltage offset; and associating the set of memory pages with the selected voltage offset bin.

Abstract: A fan case assembly extend along and around a center axis. The fan case assembly may comprise a barrel extending along and around the center axis, the barrel configured to fasten to a flange of an engine case. The fan case assembly may comprise a fan track liner disposed radially inward of the barrel and a containment hook, wherein the containment hook is a discrete component separate from the barrel. The containment hook may include a front segment configured to fasten to the flange, and an axial segment disposed radially inward of the barrel. The axial segment may extend between the flange and the fan track liner and the front segment may extend radially outward from an end of the axial segment. The containment hook may also include a protruding segment extending radially inward from the axial segment.

Abstract: Methods for manufacturing thermoformed objects are provided. In some embodiments, a method includes controlling a material transport system to move a material to a first location proximate to one or more heat sources. The method can include controlling the one or more heat sources to heat a first region of the material to a first temperature and heat a second region of the material to a second temperature. The method can also include controlling the material transport system to move the material to a second location proximate to an object forming element, and controlling the object forming element to form a dental appliance from the material.

Abstract: A semiconductor laser has a mirror formed in a gain chip. The mirror can be placed in the gain chip to provide a broadband reflector to support multiple lasers using the gain chip. The mirror can also be placed in the gain chip to have the semiconductor laser be more efficient or more powerful by changing an optical path length of the gain of the semiconductor laser.

Abstract: A method and tooling for manufacturing flexible articles of manufacture such as garments, bags, backpacks and accessories that require hemmed edges. The method and tooling are compatible for use in an automated system and simplify the hemming process by performing the hemming operation on a flat pattern of material before the pattern of material has been joined with other patterns of material to form a finished or intermediate three-dimensional workpiece. This facilitates the formation of the hem by allowing the hem to be formed on a flat material pattern on a flat surface, thereby facilitating the folding, creasing and affixing of the hem without the requirement of human dexterity and labor.

Abstract: A method may include generating a first virtual model of a dental structure of a patient from three-dimensional scan data, identifying a first virtual surface of the first virtual model corresponding to a first portion of the soft dental surfaces that surrounds a location of the restorative object, separating the identified first virtual surface of the soft dental surfaces from at least the portion associated with hard dental surfaces to create a second virtual model of a soft model part and a third virtual model of a hard model part, and outputting a composite model including a first model part of a soft material and a second model part of a hard material, the first model part corresponding to a shape of the second virtual model and the second model part corresponding to a shape of the third virtual model.

Abstract: A fulldome display framework with a movable assembly adapted to dispose a plurality of display screens or projection screens to constitute a fulldome display includes a fixed frame engaged with a base surface and a movable frame disposed on the base surface and being movable relative to the fixed frame between an assembling position and a disassembling position along a predetermined route. The fulldome display is constituted when the movable frame is located at the assembling position to match with the fixed frame. In this way, after an LED fulldome display structure is installed on the present invention for example, the movable frame could be pulled out relative to the fixed frame along the predetermined route when a circuit board of a part of the fulldome display requires to be repaired, providing a certain working area for a repair worker to carry out repair and maintenance.

Abstract: A system and method for use when forming an osteotomy that rely upon an arrangement of surgical instruments with a targeting guide having a handle extending substantially along a longitudinal axis, with one or more burr holes extending from a first side of the handle to a second side of the handle. A head is coupled to a distal end of the longitudinal handle. The head defines a plurality of guide holes sized and configured to receive a k-wire therethrough. The arrangement allows accurate adjustment of the surgical instruments in relation to the bones targeted for the osteotomy.

Abstract: A gas turbine engine includes a fan and a fan case assembly. The fan includes a fan rotor configured to rotate about an axis of the gas turbine engine and a plurality of fan blades coupled to the fan rotor for rotation therewith. The fan case assembly extends circumferentially around the plurality of fan blades radially outward of the plurality of the fan blades.

Abstract: An additive manufacturing system comprises a build plane and an energy source configured to direct energy onto a work region of the build plane. An optical detector is configured to receive one or more optical signals from the work region. An optical filter is positioned between the work region and the optical detector, wherein the optical filter includes a first partially transmissive polarized filter having a first polarization axis and a second partially transmissive polarized filter having a second polarization axis. The first polarization axis is rotationally offset from the second polarization axis approximately 90 degrees. The optical filter improves the signal to noise ratio of the optical sensors.

Abstract: A joint structure includes a body part and an actuating piece. The actuating piece combines movably with the body part, the actuating piece has a first joint part, the first joint part is located outside of the body part, the first joint part can carry out a vertical movement, lateral movement or rotational movement. Accordingly, the body part of the disclosure can go with the actuating piece or the first joint part, and combine to the first object and the second object, or disengage from the first object and the second object for achieving the effect of combining or separating at least two objects.

Abstract: This document provides methods, devices, and systems for detecting the presence, absence, or amount of one or more analytes. For example, this document provides methods for using graphene-based sensors to detect one or more analytes (e.g., proteins, nucleic acids, intact cells, intact viruses, intact microorganisms, and/or chemicals).