Abstract: An optical fiber multi-parameter sensing system and method are provided. The optical fiber multi-parameter sensing system comprises a light source, an optical circulator, a fiber-tip probe sensor and an optical spectrum analyzer, wherein the fiber-tip probe sensor can be placed into an analyte without changing the characteristics of the analyte. The variation of a bulk parameter that is a bulk refractive index of bulk environment around the fiber-tip probe sensor and a surface parameter which is a thickness of surface dielectric layer of the fiber-tip probe sensor can be determined simultaneously by monitoring the changing of resonance intensity and resonance wavelength of a single fiber-tip leaky mode resonance. The sensing system optionally configured such that multiple parameters in the analyte around the fiber-tip probe sensor can be obtained by detecting a single resonance peak.

Abstract: A method of three-dimensional printing an object having a varying degree of transmissivity to light along an axis of the object, the method comprising the steps of (a) providing a liquefied polymer resin having a plurality of particles therein, the particles being distributed in the liquefied polymer resin based on the density of the particles; and (b) polymerizing the liquefied polymer resin under conditions to form the object layer-by-layer. There is also provided a formulation for three-dimensional printing and a three-dimensional printed object.

Abstract: The present disclosure describes methods, system, and devices for applying dynamic codebooks for hybrid automatic repeat request acknowledgement (HARQ-ACK) feedback. One method includes transmitting, by a wireless communication device, HARQ-ACK based on more than one dynamic HARQ-ACK codebooks, wherein each dynamic HARQ-ACK codebook corresponds to a timing advance group (TAG). Another method includes receiving, by a wireless communication node from a wireless communication device, HARQ-ACK based on more than one dynamic HARQ-ACK codebooks, wherein each dynamic HARQ-ACK codebook corresponds to a TAG.

Abstract: A method for controlling a set of wireless earphones, including: establishing a first Bluetooth (BT) connection between a first earphone of the set of wireless earphones and a source apparatus; based on the source apparatus supporting Ultra Wide Band (UWB) connections: establishing a first UWB connection between the first earphone and the source apparatus, and a second UWB connection between a second earphone of the set of wireless earphones and the source apparatus; and receiving, by the first earphone, audio data from the source apparatus using the first UWB connection, wherein the audio data is received from the source apparatus by the second earphone using the second UWB connection

Abstract: Embodiments of a system, device and method for mapping between different types of BWPs are disclosed. In some aspects, a wireless communication method includes receiving, by a wireless communication device from a wireless communication node, radio configuration information. In some aspects, the radio configuration information includes a second type bandwidth part (BWP) configuration and a correspondence between the second type BWP and a plurality of BWPs. In some aspects, the second type BWP configuration includes one or more physical resource configurations. In some aspects, the wireless communication method includes configuring, by the wireless communication device, based on the one or more physical resource configurations, a plurality of physical resources on the plurality of BWPs.

Abstract: The subject technology generally relates to migration of data. An example method includes determining, in response to determining that a source storage system satisfies a migration condition and based on used space of folders in a source file system on the source storage system, migration scores for the folders. The method further includes determining, from the folders, one or more folders to be migrated by sorting the migration scores. In addition, the method further includes migrating the one or more folders to a target file system. As a result of such data migration, by scoring and sorting a group of folders on a source file system and selecting the optimal one or more folders for migration, the migration of the entire file system is avoided, thereby reducing the overall cost of data migration and increasing the speed of data migration.

Abstract: The present disclosure provides a wind power generation apparatus, including a fan configured to obtain wind energy; a first generator, connected with the fan and a load and configured to convert the wind energy obtained by the fan into first electric energy and output the first electric energy to the load; a gas storage module, connected between the first generator and the load and configured to store or release gas; where when an output power of the first generator is greater than a load power of the load, the first generator drives the gas storage module to store a gas; and when the output power of the first generator is lower than the load power, the gas storage module releases a stored gas to generate second electric energy and output the second electric energy to the load.

Abstract: The present application discloses a boarding apparatus for an offshore platform, including a lifting apparatus and a track structure; the track structure is connected to a platform main body of the offshore platform and extends beyond the platform main body; the lifting apparatus is connected to the track structure, and the lifting apparatus is at least movable along the track structure with a moored sea transporting apparatus; the lifting apparatus includes a ride-on assembly for lifting transportation of a ride-on object between the track structure and the sea transporting apparatus. This thus overcomes the impossibility of boarding caused by marine environmental factors and improves boarding efficiency, and avoids damage caused by the collision between the sea transporting apparatus and the offshore platform when the sea transporting apparatus is berthed at the platform.

Abstract: An optical imaging system and a method based on spatial structure engineering of random light are disclosed. The method includes performing scattering processing on transmitted light to obtain a to-be-measured light; splitting polarization of the to-be-measured light. One light is split into x-polarized and y-polarized beams, and the other one is firstly combined with a reference beam and then split into x-polarized and y-polarized beams; measuring the intensity distributions of x-polarized and y-polarized parts of the to-be-measured light, the combined light, and the reference light; obtaining a real part and an imaginary part of the cross spectral density of the to-be-measured light, retrieving the intensity distribution of the light on the scattering medium and calculating the intensity to obtain the shape and location of the object to be measured.

Abstract: An easily disassembled lens module in a terminal device includes a lens assembly, a circuit board, and a structural member. The circuit board includes a first portion, a second portion, and a third portion which are connected in sequence. The first portion is connected to the lens assembly, the second portion and the third portion protrude from the lens assembly. The structural member includes a connecting portion fixed on the third portion and at least one pulling portion protruding from the third portion. After installation in the terminal device, the lens assembly can be disassembled by using the at least one pulling portion to pull on the structural member so that the lens assembly can be disassembled without using tools and without causing damage.

Abstract: The present disclosure provides apparatus and method for blind-spot monitoring of vehicle based on rear camera. A blind spot view monitoring apparatus, for a vehicle based on a rear camera, may include an image acquisition unit, a control unit and a display unit. The image acquisition unit is configured to obtain a rear image from a rear camera mounted on a vehicle. The control unit is configured to set a region of interest in the rear image based on a turn signal or a lane departure signal of the vehicle, to determine whether there is a risk of proximity of an object in the region of interest to the vehicle, and to generate a blind spot image based on whether there is the risk of proximity. The display unit is configured to display the blind spot image.

Abstract: The present application provides a vertical axis wind turbine and a floating body. The vertical axis wind turbine includes a tower, a main shaft, a supporting rod and a blade; where the main shaft is connected with the tower, and the main shaft is provided to be rotatable around a central axis of the tower; the blade is connected to the main shaft by the supporting rod; the tower is retractable. In the present application, the tower and the blade of the vertical axis wind turbine can be contracted, or the tower and the blade can be put down after contraction, or the tower and the blade can be contracted and then stored below a deck, thus reducing the space occupied by the vertical axis wind turbine on the deck of the floating body to meet different operation requirements of the floating body.

Abstract: A Hybrid Automatic Repeat reQuest HARQ feedback method for a multicast and/or broadcast service, a terminal and a base station are provided. The method includes: receiving, by a terminal, first indication information transmitted by a network, wherein the first indication information indicates at least one of following information: a Physical Downlink Control CHannel PDCCH detection behavior, a transmission method of the multicast and/or broadcast service, and a Physical Downlink Shared CHannel PDSCH receiving behavior; and determining, by the terminal based on the first indication information, a Physical Uplink Control CHannel PUCCH resource used for reporting HARQ of a PDSCH.

Abstract: The present disclosure relates to a technical field of preparation of zeolite molecular sieve catalysts, and in particular relates to a preparation method of a metal oxide loaded nano zeolite particle catalyst. In the preparation method, industrial ?-alumina balls are treated with a quaternary ammonium alkali solution, then pretreated ?-alumina balls are mixed with a zeolite precursor solution and are hydrothermally crystallized. Then a two-step high-temperature heat treatment is performed to obtain an alumina loaded zeolite nano particle material, solving problems of large zeolite dosage and poor dispersion in hydrocracking catalysts. Finally, the metal oxide loaded nano zeolite particle catalyst is obtained by combining transition metals. Nano zeolite particles prepared regulate a surface acidity of alumina, and exfoliated zeolites may be used independently as a catalyst, which saves cost and improves a utilization of the zeolites.

Abstract: Provided are systems, methods, and computer program products for generating node embeddings. The system includes at least one processor programmed or configured to generate a graph comprising a plurality of nodes, generate an embedding for each node of the plurality of nodes, each embedding comprising at least one polar angle and a vector length, store each embedding of a plurality of embeddings in memory, and in response to processing the graph with a machine-learning algorithm, convert at least one embedding of the plurality of embeddings to Cartesian coordinates.

Abstract: A pharmaceutical composition containing a metal oxide coated particle comprising 1) an amorphous solid dispersion (ASD) core containing an active pharmaceutical ingredient (API) and a polymer; and 2) a metal oxide coating, and the method of making said metal oxide coated particle by atomic layer deposition (ALD). The metal oxide coated particle is useful because it prevents the ASD from crystallization and helps maintain the ASD in an amorphous form.

Abstract: An intelligent anti-icing material and a preparation method and use thereof are disclosed. The intelligent anti-icing material includes a hydrophobic resin and a nickel-titanium alloy wire embedded in the hydrophobic resin. When the surrounding temperature decreases, the hydrophobic resin in the intelligent anti-icing material shrinks, and the nickel-titanium alloy wire featured by thermoelastic martensitic transformation undergoes phase transformation and expands, which changes the direction of the expansion force inside the ice layer, and thus tiny cracks occur at the interface between the ice layer and the surface of the material, thereby reducing the adhesion of the ice layer to the surface of the material, accelerating the spontaneous shedding of the ice layer, without heating, and achieving an excellent anti-icing effect.

Abstract: In a cylinder deactivation control method of an engine, a cylinder deactivation trigger moment of a to-be-controlled engine is determined; a second cycle and a cylinder deactivation mode corresponding to the next first cycle are determined according to the crankshaft rotation speed at the cylinder deactivation trigger moment, the target torque at the cylinder deactivation trigger moment, and a second cycle and a cylinder deactivation mode corresponding to the current first cycle at the cylinder deactivation trigger moment; the cylinder pressure type of each cylinder in the current first cycle is determined in conjunction with the cylinder deactivation modes of three adjacent first cycles; the fuel injection quantity of each ignition cylinder in the current first cycle is determined based on the calibrated preset fuel injection quantity chart of the first cycle.

Abstract: A motor and a vehicle are provided. The motor has a housing, a stator, a first end cove, a second end cover, a first oil injection ring, a rotor, a first end plate, and a second end plate. The rotor includes a rotor core, a rotor oil path formed in the rotor core, a rotor magnet steel, a rotation shaft, and a rotation shaft oil path formed in the rotation shaft. A first oil groove is defined on an inner side surface of the first end plate opposite to the rotor core, and is in communication with the rotation shaft oil path and the rotor oil path, respectively. A first end plate oil outlet is defined in an outer side surface of the first end plate and communicates the first oil groove with an inner cavity of the housing.

Abstract: Systems, methods, and computer program products for multi-domain ensemble learning based on multivariate time sequence data are provided. A method may include receiving multivariate sequence data. At least a portion of the multivariate sequence data may be inputted into a plurality of anomaly detection models to generate a plurality of scores. The multivariate sequence data may be combined with the plurality of scores to generate combined intermediate data. The combined intermediate data may be inputted into a combined ensemble model to generate an output score. In response to determining that the output score satisfies a threshold, at least one of an alert may be communicated to a user device, the multivariate sequence data may be inputted into the feature-domain ensemble model to generate a feature importance vector, or at least one of a model-domain, a time-domain, a feature-domain, or the combined ensemble model may be updated.