Abstract: An X-ray system includes an X-ray generation unit configured to generate X-rays; an X-ray detection unit including at least one X-ray sensor that includes an indirect bandgap, perovskite semiconductor material, the X-ray sensor being configured to record the X-rays; and a control unit that controls a generation of the X-rays and a detection of the X-rays at the X-ray detection unit.

Abstract: A method for determining a 3-dimensional (3D) attitude of a platform includes receiving satellite relayed information regarding an ambiguous phase single-difference measurement (?); resolving a phase ambiguity of the ambiguous phase single-difference measurement (?) to determine an unambiguous phase single-difference estimate (?); calculating coarse direction vectors xcor and ycor based on the unambiguous phase single-difference estimate (?); estimating improved direction vectors x and y based on the coarse direction vectors xcor and ycor and by imposing constraints on the improved direction vectors x and y and an angle between the improved direction vectors x and y; and calculating the 3D attitude of the platform from the improved direction vectors x and y.

Abstract: Embodiments of the present disclosure describe a device for removing CO2 comprising a gas flow inlet, a housing including a SIFSIX-3-Cu metal-organic framework (MOF) composition for sorbing and/or desorbing CO2, and a gas flow outlet. Embodiments of the present disclosure describe an anesthetic system comprising one or more regeneratable cartridges for sorbing and/or desorbing CO2, wherein each of the one or more regeneratable cartridge includes a metal-organic framework composition, wherein at least one of the regeneratable cartridges includes a SIFSIX-3-Cu MOF. Embodiments of the present disclosure describe an alkaline fuel cell comprising a catalyst layer including a SIFSIX-3-Cu MOF composition for sorbing and/or desorbing CO2.

Abstract: Embodiments of the present disclosure generally describe scintillation materials, including colloidal scintillation materials and solid scintillation materials, methods of preparing the scintillation materials, applications of the scintillation materials, methods of using the scintillation materials, and the like.

Abstract: A method for ammonia decomposition to produce hydrogen, the method comprising the steps of introducing an ammonia stream to a reactor, wherein the ammonia stream comprises ammonia, wherein the reactor comprises a cobalt-based catalyst, the cobalt-based catalyst comprising 15 wt % and 70 wt % of cobalt, 5 wt % and 45 wt % of cerium, and 0.4 wt % and 0.5 wt % barium, wherein a remainder of weight of the cobalt-based catalyst is oxygen; contacting the ammonia in the ammonia stream with the cobalt-based catalyst, wherein the cobalt-based catalyst is operable to catalyze an ammonia decomposition reaction; catalyzing the ammonia decomposition reaction to cause the ammonia decomposition in the presence of the cobalt-based catalyst to produce hydrogen; and withdrawing a product stream from the reactor, the product stream comprising hydrogen.

Abstract: An optical waveguide is configured to guide an optical beam, and the optical waveguide includes a down-taper element configured to reduce a diameter of an incoming light beam having a random polarization; a dual-core directional coupler element configured to separate the incoming light beam into a horizontally-polarized beam and a vertically-polarized beam, each beam being confined in first and second cores, respectively; and a core fan-out element configured to increase a distance between the horizontally-polarized beam and the vertically-polarized beam upon exit from the core fan-out element. Each of the down-taper element, the dual-core directional coupler element, and the core fan-out element are 3-dimensional, 3D, printed using a single material.

Abstract: Oligonucleotides for use in amplifying at least one gene present in M. riyadhense are disclosed. The oligoncleotides include forward primers, SEQ ID NO:1, 3, 5, and 7 and the reverse primers comprises, consists essentially of or consists of SEQ ID NO:2, 4, 6, and 8, fragment(s), derivative(s), mutation(s), or complementary sequence(s) thereof. Also provided are methods for detecting the presence of M. riyadhense in a sample. The method includes contacting a biological sample with a pair of forward/reverse primers, under conditions suitable for amplification of at least one gene product from M. riyadhense if present in a sample and detecting the presence of the amplification product. The oligonucleotides and method disclosed herein can be used to determine the presence of M. riyadhense in a biological or non-biological sample. The sample can be obtained from a subject such as a human subject.

Abstract: An energy-efficient capacitance-to-digital converter (CDC) is provided that utilizes a capacitance-domain successive approximation (SAR) technique. Unlike SAR analog-to-digital converters (ADCs), analysis shows that for SAR CDCs, the comparator offset voltage will result in signal-dependent and parasitic-dependent conversion errors, which necessitates an op-amp-based implementation. The inverter-based SAR CDC contemplated herein provides robust, energy-efficient, and fast operation. The inverter-based SAR CDC may include a hybrid coarse-fine programmable capacitor array. The design of example embodiments is insensitive to analog references, and thus achieves very low temperature sensitivity without the need for calibration. Moreover, this design achieves improved energy efficiency.

Abstract: A communication system includes a first communication gateway arranged proximate to a surface of a body of water and an underwater communication gateway. The underwater communication gateway is configured to receive data from a first underwater communication device using radio frequencies and the ethernet data link layer protocol, to convert the data received from the first underwater communication device from the ethernet data link layer protocol to the second data link layer protocol, and to transmit, using optical radiation and the second data link layer protocol, the data converted by the underwater communication gateway to the first communication gateway. The first communication gateway is configured to convert the data transmitted by the underwater communication gateway from the second data link layer protocol to the ethernet data link layer protocol, and to transmit, using the ethernet data link layer protocol, the data converted by the first communication device to a further communication device.

Abstract: A system includes a programmable assessor and a remote computer. The programmable assessor includes an assessment chamber, which includes an assessment platform and a sensor arranged to sense characteristics of a product on the assessment platform, as well as a processor coupled to the sensor and an input coupled to the processor. The remote computer includes a remote processor. The sensor is configured to sense characteristics of first and second versions of the product. The input is configured to receive a classification of the first and second versions of the product. The programmable assessor is configured to provide the sensed characteristics and classification of the first and second versions of the product to the remote processor. The remote processor is configured to generate an assessment program based on the sensed characteristics and classification of the first and second versions of the product, and to provide the generated assessment program to the programmable assessor.

Abstract: The present invention provides compounds comprising at least one unit of formula (1) or (1?) as well as a process for the preparation of the compounds, intermediates of this process, electronic devices comprising the compounds, and the use of the compounds as semiconducting materials.

Abstract: A method is disclosed for modeling fluid flow through a fracture. The method includes obtaining a normal stress, and a shear stress and determining a first three-dimensional (3D) aperture model. Further, the method includes estimating a normal fracture closure displacement under the normal stress and a fracture dilation under the shear stress and simulating a fluid flow through a second 3D aperture model of the fracture. The second 3D aperture model of the fracture is based on the first 3D aperture, the normal fracture closure displacement, and the fracture dilation. Additionally, the method includes calculating a permeability of the second 3D aperture model of the fracture based on the simulated fluid flow.

Abstract: A bio-lubricant composition includes a first component that includes a first triglyceride, which is part of a cooking oil; a second component that includes a first epoxidized triglyceride; a third component that includes a hydroxylated triglyceride; a fourth component that includes a first fatty acid ester moiety; a fifth component that includes a first epoxidized fatty acid ester; and a sixth component that includes a hydroxylated fatty acid ester. A mixture of the first to sixth components at room temperature have a viscosity between 40 and 200 centipoise, and the composition is substantially free of free fatty acids.

Abstract: A two-wheel compact magnetic crawler vehicle for traversing and inspecting surfaces. The crawler comprises a chassis. Two independently actuated magnetic drive wheels are spaced apart in a lateral direction and mounted to the chassis by a hinged joint enabling each wheel to tilt in response to the surface curvature. A probe wheel is provided at the midpoint between the two drive wheels and laterally in line therewith. A spring-assisted probe carrier passively moves the probe wheel vertically relative to the chassis in response to changes in the surface curvature. Additionally, the vehicle includes a probe angle normalization mechanism comprising spring-loaded, vertically moveable, ball casters positioned symmetrically about the probe wheel. The combined utilization of the probe carrier and the caster carrier passively maintain the probe contacting the surface, the chassis level, and the probe normal to the surface irrespective of changes in the surface curvature with vehicle movement.

Abstract: A light-emitting diode includes an n-type aluminum nitride layer formed on a substrate, a multiple quantum well formed on the n-type aluminum nitride layer, and a p-type aluminum nitride hole-injection layer formed adjacent to the multiple quantum well. The multiple quantum well includes a first aluminum nitride quantum well layer having a fixed composition and surrounded by first and second aluminum nitride quantum barrier layers, and a second aluminum nitride quantum well layer having a fixed composition and surrounded by the second aluminum nitride quantum barrier layer and a third aluminum nitride quantum barrier layer. At least one of the first, second, and third aluminum nitride quantum barrier layers has a graded aluminum composition. The first aluminum nitride quantum barrier layer is adjacent to the n-type aluminum nitride layer and the third aluminum nitride quantum barrier layer is adjacent to the p-type aluminum nitride hole-injection layer.

Abstract: Disclosed herein are modified zeolites and methods for making modified zeolites. In one or more embodiments disclosed herein, a modified zeolite may include a microporous framework including a plurality of micropores having diameters of less than or equal to 2 nm. The microporous framework may include at least silicon atoms and oxygen atoms. The modified zeolite may further include organometallic moieties each bonded to a nitrogen atom of a secondary amine functional group comprising a nitrogen atom and a hydrogen atom. The organometallic moieties may comprise a hafnium atom that is bonded to the nitrogen atom of the secondary amine functional group. The nitrogen atom of the secondary amine function group may bridge the hafnium atom of the organometallic moiety and a silicon atom of the microporous framework.

Abstract: An apparatus, computer program product, and method are provided for the determination of one or more components of an EC number through the application of a level-by-level modeling approach capable of conducting feature reconstruction and classifier training simultaneously, based on encoded aspects of a sequence listing for a protein with an unknown function. The method includes receiving a sequence source data object associated with an enzyme; extracting a sequence data set from the sequence source data object; encoding the sequence data set into a first and second encoded sequence; generating a first predicted characteristic of the enzyme by applying the first and second encoded sequence to a first level of a model comprising a plurality of levels; and generating a second predicted characteristic of the enzyme by applying the first and the second encoded sequences to a second level of the model comprising a plurality of levels.

Abstract: An optical fiber distributed acoustic sensor (DAS) system for detecting a red palm weevil and/or its larvae inside a tree. The system includes an optical fiber that is configured to be placed next to a tree; and a DAS box optically connected to the optical fiber and configured to receive a reflected light from the optical fiber. The DAS box includes electronics that extracts from the reflected light a frequency in a range of [400 Hz, 4 kHz], and sends a message indicating a presence of the red palm weevil and/or its larvae inside the tree.

Abstract: Supported onium salts used as initiators for the synthesis of polycarbonates by copolymerization of carbon dioxide with epoxides are described. Embodiments of the present disclosure describe initiators comprising an insoluble portion including an onium cation attached to an insoluble support; and an anion, wherein the anion is a counter-ion to the onium cation. Embodiments further describe methods of making polycarbonates using the initiator, methods of making initiators, and the like.

Abstract: Embodiments of the present disclosure generally describe ethano-Tröger's base-amine monomers, ethano-Tröger's base polyimides of intrinsic microporosity, membranes based on ethano-Tröger's base polyimides of intrinsic microporosity, methods of making ethano-Tröger's base-amine monomers, methods of making ethano-Tröger's base polyimides of intrinsic microporosity prepared from ethano-Tröger's base-amine monomers, methods of separating chemical species, and the like.