Abstract: A light-emitting device includes: a substrate; a light-emitting chip, disposed on the substrate; and a phosphor encapsulant covering the light-emitting chip. The phosphor encapsulant includes a narrowband phosphor. The phosphor encapsulant includes a first phosphor layer, covering an upper surface of the light-emitting chip, and a second phosphor layer, disposed on the first phosphor layer. In the light-emitting device, the first phosphor layer covers the upper surface of the light-emitting chip, the second phosphor layer covers the first phosphor layer, the first phosphor layer includes the narrowband phosphor and the silicone, and the narrowband phosphor is uniformly distributed within the silicone, so that the narrowband phosphor is close to the light-emitting chip, and the narrowband phosphor has high pureness in the silicone, which can improve an excitation efficiency of the narrowband phosphor, and improve heat dissipation efficiency.

Abstract: Provided are an elastic wave radar detection device and method. The device includes a vibration excitation device, a first sensor, a second sensor, and a controller. The first sensor is arranged on the vibration excitation device, and the second sensor is arranged on a detected object. The first sensor is used to collect vibration excitation information, namely, an incident signal, and the second sensor is used to collect information of the detected object, namely, a vibration signal. Both the first sensor and the second sensor are connected to the controller. The elastic wave radar detection device and method provided by the present disclosure can receive vibration excitation information and introduce a standard incident signal, so as to achieve the uniformity of signals and improve the detection accuracy.

Abstract: Ceramic grill hinge structure and a ceramic grill using the same. The hinge structure comprises a hinge lower cover and a hinge upper cover, wherein lower connecting arms are symmetrically arranged on the two sides of the hinge lower cover; upper connecting arms are arranged on the two sides of the hinge upper cover corresponding to the lower connecting arms; the hinge upper cover is provided with a supporting shaft; the hinge lower cover is provided with an adjusting and supporting mechanism corresponding to the supporting shaft; the hinge lower cover is provided with an arc-shaped groove which can limit the maximum opening and closing angle of the hinge lower cover and the hinge upper cover; the ceramic grill comprises a grill body and a grill top cover; the hinge lower cover is connected with the grill body, and the hinge upper cover is connected with the grill top cover.

Abstract: A method for power distribution in an electricity-hydrogen hybrid energy storage system in a microgrid method includes: decomposing a current operating power of a microgrid into a to-be-smoothed power and a grid connection power; distributing the to-be-smoothed power according to a current SOC value of the electrochemical energy storage system and a current SOH value of the hydrogen energy storage system with a goal of minimizing operating costs to obtain a first optimal charge/discharge power required for controlling the electrochemical energy storage system to operate and a second optimal charge/discharge power required for controlling the hydrogen energy storage system to operate; and adjusting an SOC state of the electrochemical energy storage system according to a protection strategy determined by the to-be-smoothed power, a preset SOC operating range of the electrochemical energy storage system, and the current SOC value, while controlling an overall operating status of the microgrid.

Abstract: Some embodiments of the present disclosure relate to a spiral wound reverse osmosis membrane element and a water purifier with a spiral wound reverse osmosis membrane element. The spiral wound reverse osmosis membrane element includes: a central tube, a first reverse osmosis membrane sheet, and a second reverse osmosis membrane sheet. A part of a first long leaf and a first short leaf-form a first raw water channel, a part of a second long leaf and a second short leaf form a second raw water channel, and a part of the first long leaf extending beyond the first short leaf and a part of the second long leaf extending beyond the second short leaf form a third raw water channel.

Abstract: A method, according to one embodiment, includes causing a first artificial intelligence (AI) analysis model to analyze a collection of historical data about a computer code, where an output of the first AI analysis model details calculations of priorities of test cases of the computer code. The method further includes causing a first AI selection model to filter a first portion of the test cases from the test cases to establish a second portion of the test cases, where the filtering is based on the calculated priorities, execution times of the test cases, and determined coverages of the test cases. The method further includes causing the second portion of the test cases to be run. A computer program product, according to another embodiment, includes one or more computer readable storage media, and program instructions stored on the one or more storage media to perform the foregoing method.

Abstract: Embodiments of this application provide a pairing method and apparatus, applied to the field of communications technologies and the field of connected vehicles. The method includes: A first node sends a first message, where the first message includes indication information of at least one pairing method supported by the first node; and receives a second message from a second node, where the second message includes indication information of a first pairing method, and the first pairing method is included in a pairing method supported by both the first node and the second node. According to embodiments of this application, the two nodes may support a plurality of pairing methods, so that the first pairing method is agreed on from the plurality of pairing methods, thereby improving node pairing flexibility.

Abstract: A Miller clamping circuit for driving a wide bandgap (WBG) device is provided. The Miller clamping circuit comprises: a semiconductor switching device having high side terminal connected to gate of the WBG device; and low side terminal connected to source of the WBG device; a first diode having anode connected to ground terminal of a driver IC chip; and cathode connected to control terminal of the switching device; a first resistor connected in parallel with the first diode; a second resistor having a first end connected to the ground of the driver IC chip; a second diode having anode connected to the low side terminal of the switching device and cathode connected to a second end of the second resistor; and a third resistor connected in parallel with the second diode. The Miller clamping circuit is configured to suppress a false turn-on and gate-loop oscillation of the WBG device simultaneously.

Abstract: The present disclosure relates to delivery platforms that specifically and efficiently direct stabilized RNAi agent payloads to hepatocytes in a subject, in vivo. The delivery platforms disclosed herein include metabolically stabilized N-Acetylgalactosamine (NAG or GalNAc) targeting ligands conjugated to one or more oligonucleotides through a metabolically stabilized linkage that is more stable than a phosphodiester linkage, to facilitate the delivery of the oligonucleotide-based payloads to cells, including to hepatocytes. Pharmaceutical compositions that include the metabolically stabilized RNAi agent conjugate delivery platform are also described, as well as methods of use for the treatment of various diseases and disorders where delivery of a therapeutic payload to a hepatocyte is desirable.

Abstract: The present disclosure relates to delivery platforms that specifically and efficiently direct multimeric RNAi agent payloads to hepatocytes in a subject, in vivo. The delivery platforms disclosed herein include metabolically stabilized N-Acetylgalactosamine (NAG or GalNAc) targeting ligands conjugated to two or more RNAi agents, to facilitate the delivery of the oligonucleotide-based payloads to cells, including to hepatocytes. Pharmaceutical compositions that include the metabolically stabilized multimeric RNAi agent conjugate delivery platform are also described, as well as methods of use for the treatment of various diseases and disorders where delivery of a therapeutic payload to a hepatocyte is desirable.

Abstract: The present technology relates to one or more of the screening, diagnosis, monitoring, treatment, prevention and amelioration of respiratory-related disorders. The present technology also relates to medical devices or apparatus, and their use. In particular, the present technology a headgear for supplying pressurised air to a patient, comprising a headgear tubing which is inflatable from a collapsed state to an inflated state to form a conduit for supplying pressurised air to the patient, and when the headgear tubing is in the collapsed state, the headgear tubing is elastically deformable and foldable on itself. The headgear may further comprise a rigidiser.

Abstract: The present disclosure provides processes for making enantiomerically pure isoxazoline compounds of formula (1), The present disclosure also provides processes for making enantiomerically pure isoxazoline compounds of formula (1) characterized by improving the enantiomeric purity of 3-methyl-5-[(5S)-5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4H-isoxazol-3-yl]thiophene-2-carboxylic acid by crystallization.

Abstract: A pitch control method based on cooperative optimization for an offshore wind farm, may include: acquiring a power control signal and a load reduction control signal of each wind turbine cluster; and generating, according to the power control signal and the load reduction control signal, a pitch control command based on a preset optimal control objective, and transmitting the pitch control command to a corresponding pitch control action execution mechanism for pitch control; wherein the power control signal is determined by an arithmetic processing unit through processing wind turbine parameters and wind speed data of the offshore wind farm, with a control objective of maximizing output power of the offshore wind farm; and the load reduction control signal is generated by a single-turbine controller for the wind turbine cluster utilizing key features affecting power outputs of wind turbines in combination with a linear time-invariant dynamic model for the wind turbines.

Abstract: A method for power distribution in an electricity-hydrogen hybrid energy storage system in a microgrid method includes: decomposing a current operating power of a microgrid into a to-be-smoothed power and a grid connection power; distributing the to-be-smoothed power according to a current SOC value of the electrochemical energy storage system and a current SOH value of the hydrogen energy storage system with a goal of minimizing operating costs to obtain a first optimal charge/discharge power required for controlling the electrochemical energy storage system to operate and a second optimal charge/discharge power required for controlling the hydrogen energy storage system to operate; and adjusting an SOC state of the electrochemical energy storage system according to a protection strategy determined by the to-be-smoothed power, a preset SOC operating range of the electrochemical energy storage system, and the current SOC value, while controlling an overall operating status of the microgrid.

Abstract: A gate clamping circuit for driving a wide bandgap (WBG) device is provided. The gate clamping circuit comprises: a semiconductor switching device having a high side terminal connected to a gate of the WBG device; and a low side terminal connected to a source of the WBG device; a clamping resistor having a first end connected to a negative power supply terminal of a driver chip; and a second end connected to a control terminal of the semiconductor switching device; and a clamping capacitor having a first end connected to the second end of the clamping resistor; and a second end connected to the low side terminal of the semiconductor switching device; wherein the gate clamping circuit is configured to clamp negative voltage spike generated at the gate of the WBG device to suppress overstress of the gate of the WBG device when a negative off-state gate voltage is applied.

Abstract: A GaN/SiC cascode power device is formed with first and second transistor groups. The first transistor group has one or more low-voltage normally-off GaN high-electron-mobility transistors. The second group has one or more high-voltage normally-on SiC junction-field-effect transistors. A backbone layer mechanically supports respective transistors in the two transistor groups and provides electrical connectivity among the respective transistors. The backbone layer is formed by embedding a network of conductive traces on or within an insulating rigid layer. The respective transistors are mounted on the backbone layer and electrically connected via the network of conductive traces. Advantageously, bonding wires are absent in providing intra-connection between the two transistor groups. Undesirable interconnection inductances are considerably reduced such that switching loss and switching oscillation, both overstressing the power device during a switching process, are suppressed.

Abstract: The present disclosure relates to a double-layer turret multi-grating on-axis rotation module and a spectrometer. The module includes a grating turret assembly, and the grating turret assembly includes a turret base and a plurality of grating elements provided on the turret base; a first rotation assembly, and the turret base is connected to the first rotation assembly, a rotation axis of the first rotation assembly and a central axis of the plurality of grating elements are on a same vertical line, and the grating turret assembly is driven to rotate by the first rotation assembly; a second rotation assembly, and the first rotation assembly is connected to the second rotation assembly.

Abstract: This application provides a key negotiation method, apparatus, and system, and may be applied to the communications field, for example, short-range communication (including a cockpit domain). During key negotiation between a first device and a second device, the first device notifies, by using first information, the second device of all key negotiation algorithms supported by the first device, and the second device selects, from the received key negotiation algorithms supported by the first device, a key negotiation algorithm supported by the second device. In this way, the key negotiation algorithm selected by the second device is supported by both the first device and the second device.

Abstract: This present disclosure provides a method for preparing chondroitin sulfate from tilapia skull, including enzymatic hydrolyzing tilapia skull powder by Savinase 16L to obtain Savinase 16L enzymatic hydrolysate, re-enzymatic hydrolyzing the Savinase 16L enzymatic hydrolysate by 2709 alkaline protease, then separating and purificating the solution by ethanol and cetylpyridine chloride to obtain the chondroitin sulfate. The present disclosure adopts a compound enzymatic hydrolyzing method by Savinase 16L and 2709 alkaline protease to effectively achieve the efficient extraction of chondroitin sulfate of tilapia skull powder, and further achieve the purification of chondroitin sulfate by ethanol and cetylpyridine chloride, so that tilapia by-products can be utilized with high value.