Abstract: An injection molding apparatus for generally toroidal or donut-shaped articles having a hollow interior includes a hollow-interior forming member that is positioned within the mold cavity during injection to form the hollow interior of the article, and that is moved away from the mold cavity to allow removal of the molded article when the injection molding apparatus is opened following molding. The hollow-interior forming member includes an open section or gap that is closed by a gap-filling member when the injection molding apparatus is closed. When the injection molding apparatus is opened following molding, the gap-filling member vacates the open section or gap to enable the molded article to be manually separated from the annular member.

Abstract: Structures for a single-photon avalanche diode and methods of forming a structure for a single-photon avalanche diode. The structure includes a semiconductor substrate having a top surface, a semiconductor layer on the top surface of the semiconductor substrate, a light-absorbing layer on a portion of the semiconductor layer, and a doped region in the portion of the semiconductor layer. The doped region is positioned in the portion of the semiconductor layer adjacent to the light-absorbing layer.

Abstract: Disclosed is a piglet feed based on bacteria enzyme synergistic fermentation process. The piglet feed is composed of basic components and bacteria enzyme synergistic fermentation feed. Basic components include soybean protein concentrate, whey powder, fish meal, sodium chloride, choline chloride, stone powder, calcium hydrogen phosphate, composite vitamins, composite trace elements, and composite amino acids. The bacterial enzyme synergistic fermentation feed includes a fermentation substrate, an enzyme preparation, and a bacterial strain. The bacterial enzyme synergistic fermentation feed can not only improve the production performance of piglets, but also improve the utilization rate of feed nutrients, especially the utilization rate of feed phosphorus, thereby reducing the excretion of phosphorus in feces.

Abstract: A projection apparatus and a keystone correction method thereof are provided. The projection apparatus includes a display processing circuit including an image processing circuit, a first keystone correction circuit, a rotation circuit, a second keystone correction circuit, and a video output circuit. The first keystone correction circuit performs first keystone correction processing on a processed image frame based on horizontal scaling processing to obtain a first corrected image frame. The rotation circuit performs rotation processing on the first corrected image frame to write a rotated image frame into a memory. The second keystone correction circuit reads the rotated image frame from the memory and performs second keystone correction processing on the rotated image frame based on the horizontal scaling processing to obtain a second corrected image frame. The video output circuit transmits the second corrected image frame to a projection module through a data transmission interface.

Abstract: An adaptor device includes a first interface for coupling to a first processor, a second interface for coupling to a second processor, the second interface being different than the first interface, and a plurality of third interfaces, which are different than either the first interface or the second interface. The plurality of third interfaces are configured for coupling to a corresponding plurality of external devices. The adaptor device is configured to receive, at the first interface, a first signal from the first processor. In response to the first signal, the adaptor device couples through the plurality of third interfaces to the plurality of external devices to enable the first processor substantially concurrent access to the plurality of external devices. The adaptor device is also configured to receive, at the first interface, a second signal from the first processor.

Abstract: The present disclosure generally relates to semiconductor devices for use in optoelectronic/photonic applications and integrated circuit (IC) chips. More particularly, the present disclosure relates to photodiodes such as avalanche photodiodes (APDs) and single photon avalanche diodes (SPADs).

Abstract: Provided are a polypeptide with aspartate kinase activity and the use thereof in the production of an amino acid. Specifically, provided are a novel polypeptide with aspartate kinase activity, a recombinant polypeptide, a polynucleotide, a nucleic acid construct, a recombinant expression vector, a recombinant host cell, and a method for producing an amino acid. The polypeptide with aspartate kinase activity is a mutant mutated at one or more positions corresponding to positions 293, 294 and 307 of the amino acid sequence as shown in SEQ ID NO: 1. Compared with a polypeptide having the sequence as shown in SEQ ID NO: 1, the mutant polypeptide removes the feedback inhibition of lysine on aspartate kinase, has high aspartate kinase activity, and can be used for the stable and efficient production of lysine and derivatives thereof.

Abstract: Structures for a single-photon avalanche diode and methods of forming a structure for a single-photon avalanche diode. The structure includes a semiconductor substrate having a top surface, a semiconductor layer on the top surface of the semiconductor substrate, a light-absorbing layer on a portion of the semiconductor layer, and a doped region in the portion of the semiconductor layer. The doped region is positioned in the portion of the semiconductor layer adjacent to the light-absorbing layer.

Abstract: A method for discovering an unexploded ordnance in a target area includes: acquiring first feedback signals respectively corresponding to detection regions, the first feedback signals being first induced electromotive force signals; judging whether there is any abnormal signal in the first feedback signals, if there is the abnormal signal, determining the detection region corresponding to the abnormal signal is an abnormal region; acquiring second feedback signals respectively corresponding to detection sites in the abnormal region, the second feedback signals being magnetic field gradient signals; acquiring third feedback signals respectively corresponding to the detection sites, the third feedback signals being second induced electromotive force signals; acquiring location information of the detection sites; obtaining a feature spatial distribution map of the abnormal region; and judging whether there is any unexploded ordnance in the abnormal region according to the feature spatial distribution map.

Abstract: A magnetism detection apparatus includes a detection device, at least one first locating device, and a central control device. The detection device includes an array of detection assemblies arranged in a same plane. The array of detection assemblies is configured to detect magnetic fields and output magnetic field signals corresponding to locations of the detection assemblies. The at least one first locating device is disposed on one of the detection assemblies to locate this detection assembly and output a first coordinate signal corresponding to this detection assembly. The central control device is communicatively and respectively connected to each of the detection assemblies and the at least one first locating device, and configured to process the magnetic field signals and the first coordinate signal.

Abstract: A detection method for discovering an unexploded ordnance includes: surrounding a detection region with a transmitting coil and surrounding a detection site with a second receiving coil; conducting the transmitting coil with a second electric current; respectively acquiring a plurality of second feedback signals at a plurality of second feedback time points; partitioning the transmitting coil into a plurality of dipoles, and acquiring a plurality of distance values r respectively between the plurality of dipoles and the detection site; respectively calculating feedback depths according to feedback time periods; respectively calculating apparent resistivity values corresponding to the feedback depths; obtaining an apparent resistivity distribution in depth at the detection site according to the apparent resistivity values and the feedback depths; and judging whether there is any unexploded ordnance at the detection site according to the apparent resistivity distribution in depth.

Abstract: A magnetic field sensor may include a semiconductor structure having a planar surface, and first, second, and third sensing devices. The semiconductor structure may include a semiconductor member having a two-dimensional electron gas therein, and an insulator member disposed on the semiconductor member. The first sensing device may be configured to sense magnetic field along a first axis parallel to the planar surface. The second sensing device may be configured to sense magnetic field along a second axis parallel to the planar surface, and orthogonal to the first axis. The third sensing device may be configured to sense a magnetic field along a third axis normal to the planar surface. Each of the first, second, and third sensing devices may be formed in the semiconductor structure and may include electrodes that extend from the insulator member to the two-dimensional electron gas.

Abstract: Computer-implemented methods, systems and computer program products for job scheduling in a computing system are provided. The computing resources of the computing system is allocated to one or more users of the computing system using a predefined policy. The method comprises receiving, by a job scheduler associated with the computing system one or more resource utilization scores of the one or more users, each of the one or more resource utilization scores indicating resource utilization efficiency over time at a job level for the one or more users. The method comprises receiving, by the job scheduler, one or more jobs submitted by the one or more users. The method further comprises scheduling, by the job scheduler, the received one or more jobs based on the predefined policy and further on the received one or more resource utilization scores of the one or more users.

Abstract: Provided are a mutant of a Corynebacterium glutamicum glutamate dehydrogenase gene promoter and applications thereof. The mutant has improved promoter activity compared to a wild-type promoter. Hence, it can be used to enhance the expression of a target gene, for example, operably ligating the mutant with a glutamate dehydrogenase gene, and the expression intensity of the glutamate dehydrogenase can be enhanced, thereby improving the amino acid production efficiency of a recombinant strain.

Abstract: Devices, systems and methods are provided to implement key generation for secure pairing between first and second devices using embedded out-of-band (OOB) key generation and without requiring the devices to have input/output (IO) capability to enter authentication information. Bluetooth Smart or Low Energy (BLE) OOB pairing option can be used for pairing medical devices with added security of OOB key generation. The OOB key generation comprises providing first and second devices with the same predefined credential and secure hashing algorithm, and making input of the hashing algorithm of the first and second devices the same. The first device transmits unique data to second device (e.g., via BLE advertising) to share and compute a similar input. The first and second devices use the credential and shared data with the hashing function to generate a key that is the same at each of first and second devices.

Abstract: Disclosed are a mutant of a pyruvate carboxylase gene promoter of Corynebacterium glutamicum and applications thereof. The mutant has improved promoter activity compared with a wild-type promoter, and can be used for enhancing expression of a target gene, for example, operably ligating the mutant to a pyruvate carboxylase gene enhances the expression intensity of the pyruvate carboxylase, thereby improving the production efficiency of amino acids of the strain.

Abstract: Provided are Corynebacterium glutamicum that produces L-lysine, a method for constructing the L-lysine producing strain, and a method for producing L-lysine from the strain. The lysine yield and glucose conversion of the L-lysine producing strain are improved, thereby reducing the production cost.

Abstract: A backrest armrest linkage assembly and folding chair frame; the backrest armrest linkage assembly includes a backrest bar and a armrest bar, wherein the middle section of the backrest bar is hinged on the rear support shaft behind the chair, and the lower end is constrained in the guide sleeve. The front section of the armrest bar is positioned on the front support shaft in front of the chair through the chute seat, and the rear end section is hinged to the lower section of the backrest bar, which can draw and restrain the swing angle of the backrest bar, and thus constitute a folding chair frame with adjustable backrest.

Abstract: A method of making a catalyst layer of a membrane electrode assembly (MEA) for a polymer electrolyte membrane fuel cell includes the step of preparing a porous buckypaper layer comprising at least one selected from the group consisting of carbon nanofibers and carbon nanotubes. Platinum group metal nanoparticles are deposited in a liquid solution on an outer surface of the buckypaper to create a platinum group metal nanoparticle buckypaper. A proton conducting electrolyte is deposited on the platinum group metal nanoparticles by electrophoretic deposition to create a proton-conducting layer on the an outer surface of the platinum nanoparticles. An additional proton-conducting layer is deposited by contacting the platinum group metal nanoparticle buckypaper with a liquid proton-conducting composition in a solvent. The platinum group metal nanoparticle buckypaper is dried to remove the solvent. A membrane electrode assembly for a polymer electrolyte membrane fuel cell is also disclosed.

Abstract: A damping positioning device and a sunshade awning is provided. The damping positioning device comprises a fixing member and a damping member rotatably hinged on the fixing member. The damping member is provided with a curved slot or curved hole which allows for a rod to pass through and has the function of damping positioning. The damping positioning device is adopted to position the oblique rods in the sunshade awning which plays an adjustment role, in order to make sliding-based adjustment and self-positioning, and realize the purposes of adjusting the sunshade angle and folding the sunshade awning.