Abstract: A gas turbine engine comprises a fan, a core turbine engine coupled to the fan, a fan case housing the fan and the core turbine engine, a plurality of outlet guide vanes extending between the core turbine engine and the fan case, and an acoustic spacing. The fan comprises a plurality of fan blades that define a fan diameter and a BEAL. The fan case comprises an inlet and an inlet length between the inlet and the fan. The acoustic spacing comprises a distance between the fan and the plurality of outlet guide vanes, and in combination with the BEAL determines an acoustic spacing ratio of the gas turbine engine.

Abstract: A display system includes a display screen, a light source to generate a light beam to be modulated in accordance with image data, and a beam scanning module to receive the light beams and to direct the light beam onto an associated display region of the display screen. The beam scanning module includes a resonant scanning mirror configured to scan the light beam along a first scanning direction across the associated display region, and a polygon scanning mirror to scan the light beam along a second scanning direction across the associated display region.

Abstract: A WS12-releasing contact lens is described as well as method of manufacturing the same. The WS12-releasing contact lens comprises a polymeric lens body and WS12 releasably adhered to the polymeric lens body, and releases from 0.05 ?g to 0.5 ?g WS12 after 1 hour in a release media or when worn by a human subject. The WS12-releasing contact lens can be comfortably worn by a symptomatic contact lens wearer and can increase the duration of comfortable lens wearing time and/or reduce lens awareness events and/or reduce contact lens dryness in a symptomatic contact lens wearer.

Abstract: In one implementation, a method includes receiving a warped image representing simulated reality (SR) content (e.g., to be displayed in a display space), the warped image having a plurality of pixels at respective locations uniformly spaced in a grid pattern in a warped space, wherein the plurality of pixels are respectively associated with a plurality of respective pixel values and a plurality of respective scaling factors indicating a plurality of respective resolutions at a plurality of respective locations of the SR content (e.g., in the display space). The method includes processing the warped image in the warped space based on the plurality of respective scaling factors to generate a processed warped image and transmitting the processed warped image.

Abstract: Systems and methods for tuning a megahertz radio frequency (RF) generator within a cycle of operation of a kilohertz (kHz) RF generator are described. In one of the methods, a predetermined periodic waveform is provided to a processor. The processor uses a computer-based model to determine plurality of frequency parameters for the predetermined periodic waveform. The frequency parameters are applied to the megahertz RF generator to generate an RF signal having the frequency parameters during one or more cycles of operation of the kilohertz RF generator.

Abstract: A cable management system includes a mounting bracket having a backing plate, two face mounts, and a panel, said face mounts each include an orifice and an aperture of different inner diameter, said panel includes a number of openings and a number of holes of different inner diameter, a extender bracket includes two walls and two end pieces secured together, said walls and said end pieces each include an eyelet and a piercing of different inner diameter, a fastening member includes a backing plate insert for engaging with said orifice of said face mounts and said eyelet of said walls and said end pieces of said extender brackets, a screw hole formed in said fastening member and formed through said backing plate insert, and an inner thread formed in said fastening member and spaced from said screw hole and said backing plate insert for engaging with bolts.

Abstract: Delivery devices, carriers, and methods for endothelial keratoplasty surgical procedures are provided. The delivery devices include a flat chamber sized to accommodate thin ophthalmic tissue used in Descemet's Membrane Endothelial Keratoplasty (“DMEK”) procedures while the ophthalmic tissue is in a trifolded configuration with the endothelial cells facing inward. One end of the delivery devices is configured for insertion into a patient's eye to inject ophthalmic tissue. Carriers include a container and a cap configured to seal an opening of the container. The carrier is sized to accommodate a delivery device disposed within the container for storage and transport of ophthalmic tissue.

Abstract: A solidifying prepolymeric implant composition comprising a biocompatible prepolymer and an optional filler. One such implant composition is a polyurethane implant composition comprising an isocyanate, such as hydroxymethylenediisocyanate (HMDI) and an alcohol, such as polycaprolactonediol (PCL diol). The compositions of the invention are useful for improving bone structure in patients by applying the solidifying implant composition to bone, reinforcing bone structure, improving load bearing capacity and/or aiding healing of microfractures.

Abstract: A system and method of pre-purification of a feed gas stream is provided that is particularly suitable for pre-purification of a feed air stream in cryogenic air separation unit. The disclosed pre-purification systems and methods are configured to remove substantially all of the hydrogen, carbon monoxide, water, and carbon dioxide impurities from a feed air stream and is particularly suitable for use in a high purity or ultra-high purity nitrogen plant. The pre-purification systems and methods preferably employ two or more separate layers of hopcalite catalyst with the successive layers of the hopcalite separated by a zeolite adsorbent layer that removes water and carbon dioxide produced in the hopcalite layers. Alternatively, the pre-purification systems and methods employ a hopcalite catalyst layer and a noble metal catalyst layer separated by a zeolite adsorbent layer that removes water and carbon dioxide produced in the hopcalite layer.

Abstract: A wireless communication safety break device is disclosed which has an upper safety break portion having a fuel inlet, an upper portion check valve, an upper portion communications device, an upper portion contact point or switch, and a lower safety break portion having a fuel outlet, a lower portion check valve, a lower portion contact point or switch, and a locator device.

Abstract: A system and method of pre-purification of a feed gas stream is provided that is particularly suitable for pre-purification of a feed air stream in cryogenic air separation unit. The disclosed pre-purification systems and methods are configured to remove substantially all of the hydrogen, carbon monoxide, water, and carbon dioxide impurities from a feed air stream and is particularly suitable for use in a high purity or ultra-high purity nitrogen plant. The pre-purification systems and methods preferably employ two or more separate layers of hopcalite catalyst with the successive layers of the hopcalite separated by a zeolite adsorbent layer that removes water and carbon dioxide produced in the hopcalite layers.

Abstract: Systems and methods used to control tangential flow filtration are provided, including control systems and methods for use with connected systems with upstream processing units, such as chromatography processing units, in fluid communication with a tangential flow filtration processing unit. Also included are control systems and methods for performing continuous concentration using single-pass tangential flow filtration with permeate flow control.

Abstract: A system and method of pre-purification of a feed gas stream is provided that is particularly suitable for pre-purification of a feed air stream in cryogenic air separation unit. The disclosed pre-purification systems and methods are configured to remove substantially all of the hydrogen, carbon monoxide, water, and carbon dioxide impurities from a feed air stream and is particularly suitable for use in a high purity or ultra-high purity nitrogen plant. The pre-purification systems and methods preferably employ two or more separate layers of hopcalite catalyst with the successive layers of the hopcalite separated by a zeolite adsorbent layer that removes water and carbon dioxide produced in the hopcalite layers. The separate layers of hopcalite catalyst preferably have different volumes and/or different average particle sizes of the hopcalite materials.

Abstract: An optical assembly may include a base having a body defining a base mating feature surface. Optical modules are arranged in side-by-side relation on the base and in optical communication with each other. Each optical module includes a housing that is commonly-shaped with other housings. Each housing has a bottom wall defining a module mating feature surface coupled with a respective area of the base mating feature surface and at least one sidewall with an optical communication opening aligned with the at least one optical communication opening of an adjacent housing. A respective optical device is within each housing.

Abstract: A photoconducting layered material arrangement for producing or detecting high frequency radiation includes a semiconductor material including an alloy comprised of InGaAs, InGaAsSb, or GaSb, with an admixture of Al, which material is applied to a suitable support substrate in a manner such that the lattices are suitably adjusted, wherewith the semiconductor material comprised of InGaAlAs, InGaAlAsSb, or GaAlSb has a band gap of more than 1 eV, as a consequence of the admixed proportion of Al. The proportion x of Al in the semiconductor material InyGa1-y-xAlxAs is between x=0.2 and x=0.35, wherewith the proportion y of In may be between 0.5 and 0.55. The support substrate is InP or GaAs.

Abstract: A system and method of pre-purification of a feed gas stream is provided that is particularly suitable for pre-purification of a feed air stream in cryogenic air separation unit. The disclosed pre-purification systems and methods are configured to remove substantially all of the hydrogen, carbon monoxide, water, and carbon dioxide impurities from a feed air stream and is particularly suitable for use in a high purity or ultra-high purity nitrogen plant. The pre-purification systems and methods preferably employ two or more separate layers of hopcalite catalyst with the successive layers of the hopcalite separated by a zeolite adsorbent layer that removes water and carbon dioxide produced in the hopcalite layers.

Abstract: A cable management system includes a mounting bracket having a backing plate, two face mounts, and a panel, said face mounts each include an orifice and an aperture of different inner diameter, said panel includes a number of openings and a number of holes of different inner diameter, a extender bracket includes two walls and two end pieces secured together, said walls and said end pieces each include an eyelet and a piercing of different inner diameter, a fastening member includes a backing plate insert for engaging with said orifice of said face mounts and said eyelet of said walls and said end pieces of said extender brackets, a screw hole formed in said fastening member and formed through said backing plate insert, and an inner thread formed in said fastening member and spaced from said screw hole and said backing plate insert for engaging with bolts.

Abstract: A cable support system includes a carrier having a base plate, two end plates, and a panel, said end plates each include an orifice and an aperture of different inner diameter, said panel includes a number of openings and a number of holes of different inner diameter, a lever includes two walls and two end pieces secured together, said walls and said end pieces each include an eyelet and a piercing of different inner diameter, a fastening member includes a stud for engaging with said orifice of said end plates and said eyelet of said walls and said end pieces of said levers, a screw hole formed in said fastening member and formed through said stud, and an inner thread formed in said fastening member and spaced from said screw hole and said stud for engaging with screws.

Abstract: A system and method of pre-purification of a feed gas stream is provided that is particularly suitable for pre-purification of a feed air stream in cryogenic air separation unit. The disclosed pre-purification systems and methods are configured to remove substantially all of the hydrogen, carbon monoxide, water, and carbon dioxide impurities from a feed air stream and is particularly suitable for use in a high purity or ultra-high purity nitrogen plant. The pre-purification systems and methods preferably employ two or more separate layers of hopcalite catalyst with the successive layers of the hopcalite separated by a zeolite adsorbent layer that removes water and carbon dioxide produced in the hopcalite layers.

Abstract: Advances in endoscope inspection systems to provide for evidence of the cleanliness of critical portions of the instrument's interior. Utilizing borescope sensing technology, the precise location of the borescope within the endoscope can be repeatedly established is in order to establish the healthy condition of the endoscope. Light intensity of cleaning paraphernalia may be adjusted to prevent endoscope damage.