Abstract: In an approach to improve the privacy of chat groups within a virtual world, embodiments of the present invention expand a chat area of a chat group to form an experience annulus according to predetermined distance that a voice volume of private-chat-group member can propagate. Responsive to identifying an external user is interested in the chat group, embodiments generate and set a current topic representing a conversation in the chat group as an externally hearable topic that is perceivable by the external user and generate a faux multi-person conversation associated with the externally hearable topic that corresponds to a real conversation made by members in the chat group. Further, embodiments assign the faux utterances to chat group members based on a corresponding speaker index and utilize one or more corresponding avatars of the chat group members to present the faux utterances to the external user.

Abstract: Examples herein involve estimating a first position of a mobile device based on first communication signals, assigning a first set of particles to a number of respective first sampling locations within a threshold distance of the first position, adjusting the assignment of the first set of particles to second sampling locations based on movement of the mobile device, and estimating a second position of the mobile device based on the second sampling locations.

Abstract: Methods for obtaining a population of differentiated alveolar cells, differentiated alveolar cells in the form of alveolar organoids generated by the methods and uses for the differentiated alveolar organoids are provided. The methods include digesting long-term expanding lung organoids (LO) into single cells (i.e., dissociated cells), and suspension culturing the dissociated cells in distal differentiation (DD) cell culture media in a non-adherent plate for an effective amount of time. Alveolar organoids includes a population of AT1 and AT2 cells and in suspension culture exhibit an apical-out polarity and include abundant cytoplasmic lamellar bodies and microvilli. The alveolar organoids can be utilized alone or in combination with 2D and 3D AWO, rebuilt the human respiratory epithelium in culture plates for studying biology and pathology of human respiratory system, including, but not limited to, the study of COVID-19 respiratory diseases.

Abstract: A light-emitting substrate includes a substrate and a plurality of light-emitting assemblies. The plurality of light-emitting assemblies are located on a side of the substrate. At least one light-emitting assembly includes a light-emitting element and a light adjustment portion arranged around the light-emitting element. The light adjustment portion includes a plurality of sub-structures spaced apart from each other. In any two sub-structures in the light adjustment portion in any direction away from the light-emitting element, a height of a sub-structure closer to the light-emitting element is less than a height of a sub-structure farther from the light-emitting element.

Abstract: A fiber optic distribution box includes a box unit, a protective shield unit pivotally mounted on the box unit, and a plurality of mounting units detachably installed to the box unit for accommodating a plurality of adapters. The box unit includes a box body defining an interior space and a plurality of base brackets disposed on the box body and accommodated in the interior space. Each mounting unit includes a flanged seat and a tubular portion extending obliquely upwardly from the flanged seat.

Abstract: The embodiments of the present disclosure disclose an object detection method and system, and a non-transitory computer-readable medium. In the object detection method, multiple candidate bounding boxes of an interest object in a current image frame are obtained. Based on a determined bounding box of the interest object in a previous image frame, the multiple candidate bounding boxes are filtered to obtain a determined bounding box of the interest object in the current image frame.

Abstract: This disclosure relates to a method and an apparatus for training a text classification model. The method may include determining a semantic representation of the training sample using the text classification model and determining a predicted classification result of the training sample based on the semantic representation. The method may further include generating an adversarial sample corresponding to the training sample based on the training sample and perturbation information and determining a semantic representation of the adversarial sample corresponding to the training sample using the text classification model.

Abstract: An evaluating method and a system for face verification, and a computer storage medium. The method comprises: obtaining a querying dataset and a training dataset, wherein the querying dataset comprises querying images, and the training dataset comprises training images; generating verification pairs and an evaluation list respectively according to the querying dataset and the training dataset; wherein the evaluation list comprises the querying images and the training images; determining feature information based on the evaluation list; establishing correspondences between identifiers and features according to first identifiers of the querying images, second identifiers of the training image, and the feature information; and determining evaluation results of the verification pairs according to the correspondences between the identifiers and the features.

Abstract: This disclosure is directed to a pharmaceutical composition for treating or preventing a disease. The pharmaceutical composition can comprise a polymer-drug nanoaggregate having a polymer and at least one bioactive agent that can comprise STING polypeptide, a nucleic acid encoding said STING polypeptide, a STING inhibitor, a STING activator, a STING agonist, a STING antagonist, a STING modulating molecule, or a combination thereof. The pharmaceutical composition can be a vaccine or an adjuvant for a vaccine. This disclosure is also directed to a method for treating or preventing a disease using the pharmaceutical composition. The disease can include infectious diseases caused by viruses or other pathogens, for example, influenza, rabies, or respiratory illnesses such as severe acute respiratory syndrome (SARS) caused by coronaviruses, such as MERS-CoV, SARS-CoV, and Coronavirus Disease 2019 (COVID-19) caused by the virus SARS-CoV-2 and its variants.

Abstract: An instruction transmission method is provided for an ambient lamp. The method includes: sequentially obtaining a playback frame from a playback frame sequence as a current playback frame; determining a target encoding scheme of the current playback frame based on a frame type of the current playback frame; determining effective data and a data type of the effective data of the current playback frame according to the target encoding scheme, and encoding the effective data into playback encoded data; and encapsulating the playback encoded data of the current playback frame and the data type of the effective data into a lighting-effect playback instruction, and transmitting the lighting-effect playback instruction to a control chip of a lighting component of the ambient lamp for execution.

Abstract: A magnetic particle imaging (MPI) device based on an asymmetric bilateral structure includes a fixed section and a movable section. The fixed section includes a pair of magnetic field generation coils, and the magnetic field generation coils are configured to generate a uniform and variable magnetic field and drive a field-free point (FFP) to move along a Z-axis direction. The movable section includes a permanent magnet, excitation coils and a reception coil. The permanent magnet is configured to cooperate with the magnetic field generation coils to generate the FFP. The excitation coils are configured to move the FFP on a two-dimensional plane and excite magnetic particles to generate a nonlinear response signal. The reception coil is configured to receive an MPI signal. The MPI device is simple in structure and convenient to operate, and can perform targeted local imaging or covered overall imaging on the target object.

Abstract: The invention relates to a multi-component composition for the manufacture of polyurethane/urea cementitious hybrid system, comprising at least one isocyanate component selected from the group consisting of monoisocyanate, polyisocyanate and NCO terminated prepolymer, at least one polyol, water, catalyst, at least one acidic additive, and hydraulic binder, wherein the acidic additive is at least one selected from the group consisting of Lewis acids, acid precursors and acidic buffers and is in an amount of 0.01 to 3 wt %, based on the total weight of the composition, to the preparation thereof, and to the use of the composition for the preparation of a flooring, waterproofing, screed, grouting, primer, wall paint, roofing or coating in construction applications.

Abstract: A residual current circuit breaker and a system including the residual current circuit breaker are provided. The residual current circuit breaker includes: a first switch connected in series between a power supply of the residual current circuit breaker and a load; a second switch connected in series between a standby power supply and the load; and a control means that controls to open the first switch and close the second switch in response to a residual current of a main loop of the residual current circuit breaker exceeding a predetermined threshold, wherein a voltage of the standby power supply is higher than a lowest value of a voltage required for the load to operate and lower than a highest value of a safe voltage, and wherein the first switch and the second switch are mutually exclusive.

Abstract: Disclosed are emulsion gel with both a freshness indication and a low migration rate, and a preparation method therefor. Lipase and organic acid are used and subjected to hydrophobic modification of anthocyanins to obtain acylated anthocyanins, the acylated anthocyanins and oil-phase gel are then dissolved in vegetable oil to form an oil phase, while a sodium alginate aqueous solution is used as a water phase, the oil phase and the water phase are mixed and subjected to high-speed shearing, and calcium carbonate and glucono-?-lactone are finally added for high-speed shearing to form emulsion gel. The emulsion gel prepared in the present disclosure has both a freshness indication and a low migration rate, and the preparation method of the present disclosure is simple, green, pollution-free and low energy consumption.

Abstract: A method for image processing is disclosed herein. A computer system obtains a first image and a second image acquired by an imaging device. The computer system determines a matrix relating a first set of image points in the first image to a second set of image points in the second image. Based on the matrix, the computer system determines a set of parameters of the imaging device and a rotational relationship between the first image and the second image corresponding to poses of the imaging device. In response to determining that the first image and the second image are aligned based on the set of parameters of the imaging device and the rotational relationship between the first image and the second image, the computer system generates a composite image of the first image and the second image and causes display of the composite image.

Abstract: A surface acoustic wave resonator device, and method for manufacturing the same and filter, the method includes: forming an interdigital transducer including interdigital electrodes on the piezoelectric substrate; forming the interdigital transducer includes: forming initial interdigital electrodes on the piezoelectric substrate, wherein each initial interdigital electrode has a first width, and every two adjacent initial interdigital electrodes have an initial interdigital gap with a first spacing therebetween; and forming additional interdigital electrodes on the piezoelectric substrate, wherein each initial interdigital gap has a portion filled by one of additional interdigital electrodes; each interdigital electrode includes an initial interdigital electrode and an additional interdigital electrode connected to each other; each interdigital electrode has a second width, and every two adjacent interdigital electrodes have a second spacing therebetween; the second width is greater than the first width, and

Abstract: Described herein are binding moieties, such as antibodies, that specifically bind Claudin18.2, and chimeric antigen receptors comprising such binding moieties. Further provided are engineered immune cells (such as T cells) comprising anti-Claudin 18.2 chimeric antigen receptors. Also disclosed are methods of treating Claudin18.2-expressing tumor or cancers using the binding moieties, chimeric antigen receptors and engineered immune cells.

Abstract: An antenna attitude fast measurement system and a method are provided. The measurement system includes a data processing unit, a stereo calibration unit, at least two detector measurement units, and a plurality of target marker units; the target marker unit is arranged on the back of the antenna main reflector of the antenna system to be measured; the detector measurement unit is arranged outside the circumference of the antenna system to be measured; and the stereo calibration unit is arranged directly below the center of the antenna main reflector of the antenna system to be measured. Any two adjacent detector measurement units have a field-of-view intersection area, and there is at least one target marker unit within the field-of-view intersection area. The total number of target marker units in all field-of-view intersection areas is ?3. The data processing unit is electrically connected to the detector measurement unit.

Abstract: The present disclosure relates to the field of display technologies, and in particular to a thin film transistor and a method for manufacturing the same, an array substrate and a display device. An active layer of the thin film transistor includes at least two metal oxide semi-conductor layers, the at least two metal oxide semi-conductor layers include a channel layer and a first protection layer, and metals in the channel layer include at least one of indium, gallium and zinc. Praseodymium is doped into the channel layer. And, in the channel layer, a number density of praseodymium atoms in the channel layer gradually decreases with a distance from the first protection layer.

Abstract: Provided is a composition containing water-soluble non-ionic polyurethane, comprising (a) 0.1-30 parts of water-soluble non-ionic polyurethane dispersions by weight; (b) 10-30 parts of decontaminating surfactants by weight; (c) 0.01-5 parts of conditioning agents by weight; and (d) 100 parts of aqueous carriers by weight. The composition in the present invention is used as shampoo, and can make hair naturally strong and extend the volumizing duration of hair.