Abstract: Disclosed are a carbon nanotube (CNT)-based three-dimensional ordered macroporous (3DOM) carbon material and a preparation method thereof. The CNT-based 3DOM carbon material comprises a honeycomb network structure having a 3DOM structure formed by overlapping CNTs, wherein ordered macropores each have a diameter of 270 nm to 360 nm, and the CNTs each have an outer diameter of 8 nm to 20 nm.

Abstract: An embodiment of the present disclosure provides a leveling agent, which is specifically a polypyridine compound, where the polypyridine compound includes a structural unit shown in Formula (I) or a protonated product of the structural unit shown in Formula (I): In Formula (I), R1 and R2 are independently any one of the following: substituted or unsubstituted alkylene, substituted or unsubstituted arylene, substituted or unsubstituted arylene alkyl, substituted or unsubstituted alkylene aryl, alkylene containing an ether oxygen atom, ester, and/or imide, arylene containing an ether oxygen atom, ester, and/or imide, arylene alkyl containing an ether oxygen atom, ester, and/or imide, and alkylene aryl containing an ether oxygen atom, ester, and/or imide; and R3 is any one of groups such as a single bond, substituted or unsubstituted alkylene, substituted or unsubstituted arylene, substituted or unsubstituted arylene alkyl, and substituted or unsubstituted alkylene aryl.

Abstract: A hydrogen-diesel direct injection dual-fuel system for an internal combustion engine enables retrofitting to existing diesel engines. The system comprises: a cylinder head of the engine having a first and a second injector hole; a diesel pilot injector positioned in the first injector hole; and a hydrogen injector positioned in the second injector hole; wherein the hydrogen injector comprises: a gasoline direct injector having an external shank and a distal output end; and a nozzle cap covering the distal output end, wherein the nozzle cap is welded to the external shank.

Abstract: The present disclosure discloses a key amino acid-induced new crystal forms of trelagliptin based on protein-drug interaction structure mining and preparation method thereof; the technical solution is to introduce key amino acids into the solvent crystallization system of trelagliptin to induce five new crystal forms of trelagliptin; the preparation method does not require the use of a large amount of organic solvent, and has the characteristics of simplicity, precision and high efficiency, with a strong ability of crystal form regulation, and energy saving, environmental protection, safety, and easy to realize green industrial production.

Abstract: Provided is a system comprising an inhaler. The inhaler comprises a use determination system. The use determination system is configured to determine a parameter relating to airflow during a use of the inhaler by a subject. The use determination system also assigns a time to the use. The system also comprises a user interface, and a processing module. The processing module is configured to determine inhalation information from the parameter, and control the user interface to issue a notification that the inhalation information is available. The notification is issued at a notification time. The processing module is configured to implement a deliberate time delay such that the notification time is delayed relative to the time assigned to the use.

Abstract: The present invention relates to a cationic material for tooth desensitization, a preparation method therefor, and an application thereof, for use in solving the technical problems in the prior art of long time consumption and limited treatment effect of materials for dentin hypersensitivity. The cationic material comprises a main chain skeleton polymer and a cationic group derived on the main chain skeleton polymer, and the main chain skeleton polymer is connected to the cationic group by means of a covalent bond. The present invention can be used for preparing a drug for treating the dentin hypersensitivity.

Abstract: The present disclosure relates to the technical field of semiconductors. Disclosed is a multi-layer semiconductor material structure and a preparation method thereof, solving the problems of the existing semiconductor materials that have poor heat dissipation, high cost, and cannot be mass-produced. The multi-layer semiconductor material structure includes a highly thermally conductive support substrate and a crystallized device function layer, where the device function layer is provided on the highly thermally conductive support substrate, and has a single-crystal surface layer.

Abstract: A hydrogen-diesel direct injection dual-fuel system for an internal combustion engine enables retrofitting to existing diesel engines. The system comprises: a cylinder head of the engine having a first and a second injector hole; a diesel pilot injector positioned in the first injector hole; and a hydrogen injector positioned in the second injector hole; wherein the hydrogen injector comprises: a gasoline direct injector having an external shank and a distal output end; and a nozzle cap covering the distal output end, wherein the nozzle cap is welded to the external shank.

Abstract: A sensor for detecting lead in an aqueous solution includes a copper working electrode, a counter electrode, a power supply for applying underpotential deposition of lead onto the copper electrode, a measuring device for providing measurement of a hydrogen evolution reaction (HER) current on the Pbupd-modified electrode, and a controller configured to correlate the degree of suppression of the HER current to Pbupd coverage to determine the lead coverage and lead concentration of the solution.

Abstract: Provided is a system comprising an inhaler. The inhaler comprises a use determination system. The use determination system is configured to determine a parameter relating to airflow during a use of the inhaler by a subject. The use determination system also assigns a time to the use. The system also comprises a user interface, and a processing module. The processing module is configured to determine inhalation information from the parameter, and control the user interface to issue a notification that the inhalation information is available. The notification is issued at a notification time. The processing module is configured to implement a deliberate time delay such that the notification time is delayed relative to the time assigned to the use.

Abstract: Provided is a system including a plurality of inhalers that each include a processor configured to determine a value of a usage parameter relating to use of the respective first inhaler, encrypt data based on the value, and transmit the encrypted data. At least two of the inhalers include different medicament, such as a rescue medicament and a maintenance medicament. The system includes an external device that includes a processor configured to distinguish between the encrypted data of each respective inhaler, determine respective usage information relating to each of the distinct types of medicament based on the respective encrypted data, and control a user interface (e.g., of the external device) to communicate the usage information related to each inhaler and/or each respective type of medicament.

Abstract: A system for polarization-sensitive optical coherence tomography (PS-OCT) of a sample comprises an interferometric arrangement comprising a reference arm and a sample arm, the sample arm being arranged to emit optical radiation towards the sample; a phase modulation system arranged at an input to the sample arm; and a detector arranged to detect a signal generated by interference between a reference beam from the reference arm and a sample beam from the sample arm. The phase modulation system comprises: an electro-optic modulator; a polarizer arranged at a rotation angle relative to the fast axis of the electro-optic modulator; and a signal generator for delivering a driving voltage to the electro-optic modulator; wherein the rotation angle and the driving voltage are selected such that the phase modulation system generates three mutually orthogonal polarization states.

Abstract: A method includes, by a computing system, receiving a querying image depicting a sampling area, processing the querying image using a single cluster detection model to identify one or more regions of the querying image depicting a cluster in the sampling area, processing the one or more regions using a cluster verification deep-learning model to determine whether each depicted cluster is a cell cluster, and determining that exactly one of the identified one or more regions depicts a cluster that is a cell cluster. The method further includes processing the region depicting the cell cluster using a morphology deep-learning model to determine that there is only one cell in the cell cluster and to determine that die morphology of the cell is acceptable.

Abstract: A wide-band Josephson parametric amplifier and method of fabricating the wide-band Josephson parametric amplifier are described. The wide-band Josephson parametric amplifier comprises a substrate, a coplanar waveguide disposed on the substrate having an impedance that varies over a length of the coplanar waveguide, wherein the coplanar waveguide comprises a conductor separated from a first ground plane by a first gap and a second ground plane by a second gap, and a nonlinear resonator disposed on the substrate and coupled to the coplanar waveguide.

Abstract: A controller for a set of superconducting qubits includes a parametrically driven tunable coupler coupled to each superconducting qubit in the set of superconducting qubits comprising three or more superconducting qubits, a magnetic flux pump coupled to the parametrically driven tunable coupler, a first control line coupled to the magnetic flux pump, and a second control line coupled to the magnetic flux pump. The parametrically driven tunable coupler creates a parametric single superconducting qubit drive for a single superconducting qubit within the set of superconducting qubits or a parametric resonant interaction between a pair of superconducting qubits within the set of superconducting qubits when one or more first frequency signals on the first control line and one or more second frequency signals on the second control line satisfy a specified condition.

Abstract: A positioning and information transmission method of a hydrological monitoring device in a single-free area combines a wireless communication technology with a hydrodynamics-based hydrological monitoring device, which can solve the problem of hydrological monitoring information transmission in a signal-free area such as a hydraulic tunnel. First, magnetic beacons each composed of an LoRa (long distance radio) terminal device and an ultra-wideband technology are arranged at the top of the interior of a signal-free tunnel at an interval of 500 m. When a hydrological monitoring device in use enters a coverage area of the magnetic beacon, the LoRa terminal device in the magnetic beacon will automatically start an internal communication protocol and receive data acquired by the device by monitoring, the data is transmitted based on a mutual LoRa communication protocol between the magnetic beacons, and finally, the data is transmitted to a ground central control system for storage.

Abstract: A fused ring-containing compound, an application thereof, and a composition containing same, and specifically, a fused ring-containing compound represented by formula II, a pharmaceutically acceptable salt or solvate thereof, or a solvate of said pharmaceutically acceptable salt. The compound has good STAT5 inhibitory activity.

Abstract: Described are examples for querying a database that stores semantic data in a compressed linked tabular representation. An ordered list of relational operators can be extracted from a language-agnostic representation of a query for semantic data from the database. The language-agnostic representation of the query can be translated, based on the ordered list of relational operators, into a database query of a query language syntax that is supported by the database, and the database query can be executed on the database without decompressing the data stored in the compressed linked tabular representation.

Abstract: The folded channel gallium nitride based field-effect transistor includes: a base layer; a multi-heterojunction layer, including a channel layer and a barrier layer alternatingly stacked from bottom to top on a gallium nitride semi-insulating layer; a gallium nitride control layer on the multi-heterojunction layer and extending from one side of the channel region to at least a part of the groove; a current collapse suppression structure formed on the multi-heterojunction layer on another side of the channel region; a source electrode and a drain electrode that are respectively in contact with two sides of the multi-heterojunction layer on the gallium nitride semi-insulating layer; a gate electrode formed on the multi-heterojunction layer between the source electrode and the gallium nitride control layer; and a connecting structure passing over the gate electrode to electrically connect to the source electrode and the gallium nitride control layer.

Abstract: A quantum node includes one or more communication qubits, one or more interior qubits coupled to the one or more communication qubits with interior tunable couplers, a communication tunable coupler coupled to each of the one or more communication qubits, and a communication resonator coupled to each of the communication tunable couplers. In addition, a distributed quantum computing system includes two or more quantum nodes, and one or more coaxial cables or coplanar waveguides connecting the two or more quantum nodes together using at least one of the communication resonators of the two or more quantum nodes. Entanglement and fabrication methods of the quantum nodes are also described.