Abstract: The present disclosure relates to the technical field of medical appliances, and provides a dental handpiece and a head thereof, and a root canal preparation machine. The head of the dental handpiece comprises a head housing; a movement cavity is provided in the head housing; a rotatable movement and a driving gear are provided in the movement cavity; the driving gear is sleeved on one end of the movement, and the movement can move along the axial direction of the driving gear; a reciprocating driving mechanism is further provided in the movement cavity, and the reciprocating driving mechanism is used for driving the movement to perform reciprocating movement along its own axis.

Abstract: A pet litter scoop assembly and a litter sieve are related, the pet litter scoop assembly including the litter sieve for collecting used litter. The litter sieve includes a base part and a handle extending from the base part, the base part including a bottom wall and a sidewall extending upwardly from the bottom wall, with a sieving cavity formed by the sidewall and the bottom wall, the handle connected to the sidewall. The litter sieve includes holes penetrating the bottom wall and sized such that the used litter cannot pass through the holes, and at least one guiding rib(s) protruding from the bottom wall to the sieving cavity and positioned adjacent to the holes to guide unused litter pellets in the sieving cavity to pass through the holes. The litter sieve and litter scoop assembly can help to avoid blocking of the holes.

Abstract: This application discloses a relay selection method and apparatus, a relay information transmission method and apparatus, and a terminal, and pertains to the technical field of communications. The method in the embodiments of this application includes: receiving, by a remote terminal, first information sent by a relay terminal, where the first information includes at least one of a relay hop count N or quality of service (QoS) information of the relay terminal, N represents an Nth hop of the relay terminal in a relay link, and N is a positive integer; and performing, by the remote terminal, relay terminal selection based on the first information.

Abstract: A UE may attempt, based on a first mode, to identify a first opportunity within a preconfigured time period for a measurement associated with at least one SCC when the at least one SCC is deactivated at the UE and the measurement associated with the at least one SCC is due based on a scheduling. Based on the first mode, a radio of the UE may not be tuned to the at least one SCC when the at least one SCC is deactivated at the UE and no measurement associated with the at least one SCC is being performed at the UE. The UE may perform, if the first opportunity is identified within the preconfigured time period, the measurement associated with the at least one SCC at the identified first opportunity.

Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) may transmit a message indicating UE assistance information (UAI). In some examples, the UE may transmit a request for network assistance information (NAI) for candidate cells. The UE may receive a control message indicating the NAI and a set of candidate cells for a conditional serving cell change. The UE may perform the conditional serving cell change based on the NAI for one or more candidate cells. In some examples, the UE may select a target cell from the set of candidate cells, and the UE may receive a control message indicating one or more coverage enhancement schemes supported by the target cell. The UE may perform a random access procedure based on the one or more coverage enhancement schemes supported by the target cell.

Abstract: An apparatus and system are described to provide functions and procedures in a data-centric infrastructure (DCI). The logical architecture includes an infrastructure orchestration function and controller. Interactions between the infrastructure orchestration function and controller include a function request to form or release a logical computing node, or modify the logical computing node through addition or removal of at least one of a function-dedicated computing (FDC) function, a data plane (DP) function, or a function-dedicated network (FDN) function to the logical computing node. The controller configures the FDC/DP/FDN functions and sends a response indicating completion of operations performed by the controller that are related to the function request.

Abstract: A spatial relation indication method and a device. The spatial relation indication method includes: receiving, by a terminal, first information, where the first information is used for at least one of the following: configuring one or more spatial relations for a positioning reference signal; and activating one or more spatial relations for a positioning reference signal.

Abstract: A full-frequency band high quality speaker with a bar and sound tunnels includes a voice coil, magnet, diaphragm and magnetically conductive structure; the diaphragm is conical, a bridge-style bar is on the surface of at least one side of the diaphragm; the diaphragm includes at least two grooves, each horizontally radial; each groove crosses the bridge-type bar in the horizontal direction and the length direction of the groove is perpendicular to the bridge-type bar; the groove is concave on the surface of the diaphragm to form a sound tunnel. The diaphragm is changed to the current standard vibration mode, and the timbre of treble register is not bright and the timbre of bass register is not sonorous and mellow enough from the perspective of vibration, resonance and phonation. The practice proves that the improved scheme has outstanding substantive characteristics and remarkable technical progress, and has obtained obvious technical results.

Abstract: A composite solution for enhancing induced disease resistance of lentinan (LNT) to a plant, a preparation method of the composite solution, and a method for enhancing induced disease resistance of LNT to a plant are provided. The composite solution for enhancing induced disease resistance of LNT to a plant includes: an LNT-containing solution and an SPc-containing solution, where SPc is a dendritic macromolecule functionalized by an amino functional group, and has a structural formula shown in formula I, where n=1 to 100. An LNT/SPc complex is produced in the composite solution. SPc spontaneously combines with LNT through hydrogen bonding, such that an agglomerate structure formed by LNT in an aqueous solution is broken and reduced to a nano-scale particle size, and a spherical particle is produced, which can significantly reduce a contact angle of the LNT aqueous solution, and promote the distribution and diffusion of LNT.

Abstract: Disclosed is a method for wireless communication for determining the position of a wireless node. The method comprises receiving a set of reference signals from a set of at least four positioning devices, wherein the positioning devices are not arranged in a single plane. A signal propagation delay of each one of the set of reference signals is determined and a position of each one of the set of positioning devices is obtained. A convex localization problem is solved for the wireless node based at least in part on the determined signal propagation delay of each one of the set of reference signals and the position of each one of the set of positioning devices. The position of the wireless node is determined based at least in part on solving of the convex localization problem.

Abstract: A self-propelled device includes a body, a walking module, an air extraction module, an air pressure sensor and at least one bumper structure. The body is defined with a first space and a second space in communication with the first space, wherein the volume of the second space is smaller than the volume of the first space and the second space is closer to a side of the body than the first space. The walking module is adjacent to the body. The air extraction module is arranged on the body and is in communication with the first space. The air pressure sensor is arranged on the body and disposed at one end of the second space. The bumper structure is relatively movably arranged on the body, and is configured to close the second space when located at a first position and open the second space when located at a second position. The self-propelled device is for walking on a board surface.

Abstract: A foldable electric bed frame that is relatively thinner in a folded state and easy to pack and transport includes a bed frame body, subframes, driving motors, bed boards, and detachable bed legs. The driving motors and the bed boards are connected to the bed frame body and the subframes. Flexible covering members are further comprised. The flexible covering members are arranged along the edges of the periphery of the bottom of the bed boards and are connected to the bottom of the bed boards through velcro or other detachable connecting members; and when the bed frame body is in a folded state, the flexible covering members are located between the stacked bed boards. The flexible covering members are arranged around the bed boards, and when the bed frame is folded, the flexible covering members are used as a buffering measure.

Abstract: A medical co-working space configured to perform patient intake, including limited physiological assessment, and manage access to rooms, storage and medical products during a physician clinic schedule.

Abstract: An example of an apparatus to transport utility-scale lithium-ion batteries in a racked and operational state. The apparatus includes a base and an isolation platform. In addition, the apparatus includes an isolator mounted on the base to support the isolation platform. The isolator is to dampen forces exerted on the isolation platform from the base. Furthermore, the apparatus includes a rack mounted onto the isolation platform. The rack is to secure a plurality of lithium-ion batteries to store energy at a utility-scale to be provided to a power distribution network. The plurality of lithium-ion batteries is racked in an operational state during transportation.

Abstract: A foldable scooter is provided, including: a deck assembly, including a first deck and a second deck foldably connected and relatively rotatable about a first direction, the first deck including a first lock structure; a steering assembly, connected to the deck assembly; a locking assembly, mounted to the second deck, including a locking member movable between a first position and a second position in a second direction and including a second lock structure extending in the first direction and movable with the locking member; wherein when the locking member is located in the first position, the first and second lock structures are interlocked with each other in a male-female manner so that the deck assembly is non-foldable; when the locking member is located in the second position, the first and second lock structures are unlocked from each other so that the deck assembly is foldable.

Abstract: System and method for sensing movement such as chest movement of each of a plurality of target test subjects by: transmitting, at each of N transmitting antennas (TXs) of a phased multiple-input multiple-output (phased-MIMO) radar, a common frequency modulated continuous wave (FMCW) signal in each of a plurality of time division multiplex (TDM) slots, each TDM slot having associated with it a respective weight selected in accordance with a transmit steering vector configured to cause a coherent summation of transmitted signal in a desired direction ?0 toward at least one target; receiving target-reflected energy associated with the transmitted FMCW signals at a virtual array formed by stacking signal from P TDM slots received via M receiving antennas (RXs) of the phased-MIMO radar; and processing an output of the virtual array to extract therefrom signal received from the desired direction ?0 to determine thereby target movement in the desired direction ?0.

Abstract: The present invention provides formulations of (R)-(1-(4-fluorophenyl)-6-((4-(trifluoromethyl)phenyl)sulfonyl)-4,4a,5,6,7,8-hexahydro-1H-pyrazolo[3,4-g]isoquinolin-4a-yl)(pyridin-2-yl)methanone, and methods of making and using the same.

Abstract: A method for factory calibration of a sensor of a CGM system is disclosed. A processor receives an enzyme membrane thickness after each dip of a working wire according to first parameters. The processor receives a glucose limiting membrane thickness after each dip of the working wire according to second parameters. The processor determines a working wire diameter, and includes the membrane thicknesses. The processor in communication with the CGM system, automatically generates a correlation between the first and the second parameters to at least one of a factory sensitivity and a drift profile. The drift profile predicts a sensitivity of the sensor over time. The processor associates the at least one of the factory sensitivity or the drift profile with the sensor. The sensor outputs a glucose reading during in-vivo use based on the at least one of the factory sensitivity or the drift profile.

Abstract: Anaphthalene ring-containing compound, a pharmaceutical composition containing same, and the use thereof. A naphthalene ring-containing compound as represented by formula III, a pharmaceutically acceptable salt thereof, a solvate thereof, or a solvate of the pharmaceutically acceptable salt thereof. The compound is new in structure and has a better activity on cancers.

Abstract: Disclosed herein are vaccine compositions for the treatment and prevention of urinary tract infections (UT!s) and methods for delivery of the vaccine compositions. Moreover, the disclosure provides adjuvant compositions for vaccines to modulate cellular responses. such as an immune response.