Abstract: Embodiments of the present disclosure relate to signal transmission device, signal transmission method and communication system. The signal transmission device includes: a digital-to-analog converter configured to convert digital signals to analog signals; a modulator configured to modulate the analog signals to generate modulated pulse signals; and a transmitter configured to transmit, based on the modulated pulse signals, output pulse signals to a receiver, wherein the transmitter is configured to have no common ground with the receiver. In the solution in accordance with embodiments of the present disclosure, the high resolution can also be maintained under high speed data transmission, so as to overcome the conflicts between the resolution and the transmission frequency of the digital signal transmission in the existing schemes.

Abstract: An information presentation method and apparatus, and an electronic device and a storage medium. The method comprises: in response to an operation, which is triggered by a user, for presenting a display interface of second interaction content associated with a target video, determining whether first interaction content associated with the target video meets a preset condition; and in response to the first interaction content associated with the target video meets the preset condition, presenting a control of the first interaction content in the display interface of the second interaction content associated with the target video, wherein the first interaction content is obtained by performing a first interaction operation on the target video, and the second interaction content is obtained by performing a second interaction operation on the target video.

Abstract: A video processing method and apparatus, a device, a storage medium, and a computer program product are provided. The video processing method includes displaying a combined photographing page in response to a preset combined photographing operation on a target video, the combined photographing page being provided with an album entry; displaying an album page in response to a trigger operation on the album entry; acquiring a user material based on the album page; and generating a combined photographing result video based on the user material and the target video.

Abstract: A champagne tower-type multi-stage throttle control valve includes a valve body, a valve cover, a throttle sleeve, and a valve core. A sleeve cavity of the throttle sleeve is shaped as a stepped hole with two or more layers. The valve core is shaped as a stepped shaft with two or more layers coaxial with the throttle sleeve. The number of shaft shoulders of the valve core is smaller than or equal to the number of hole shoulders of the sleeve cavity of the throttle sleeve, such that each set of shaft shoulders of the valve core in an axial direction can form a sealing surface fit with corresponding hole shoulders of the throttle sleeve. A flow channel groove is axially or obliquely formed on each of the hole shoulders of the throttle sleeve and/or the shaft shoulders of the valve core.

Abstract: Provided is a production method of a high-rate lithium iron phosphate positive electrode material comprising first, weighing an iron source and a lithium source in a molar ratio of 1:1-1:1.05, then weighing 5-15% of carbon source and 0-1% of metal ion doping agent based on the total mass of the iron source and lithium source, adding water to the above weighed materials, ball milling and sand grinding the obtained slurry, so that the D50 after the sand grinding is controlled to be 100-200 nm, then spraying the mixture to obtain a precursor, putting the precursor into a sintering furnace for sintering at 650-700° C. under the protection of nitrogen gas, cooling to obtain a sintered material, then pulverizing the sintered material, sieving the pulverized material and removing iron to obtain the lithium iron phosphate. The prepared lithium iron phosphate has a good rate capability and a good cycle stability.

Abstract: Disclosed is a composition for inhibiting nitrate decomposition and its preparation method, which belongs to a field of photocatalytic technology, comprising: weighing titanium dioxide and pure phase metal carbonate or pure phase metal bicarbonate proportionally; adding the weighed pure phase metal carbonate or the pure phase metal bicarbonate to titanium dioxide for grinding to obtain a metal carbonate/bicarbonate-containing mixture. The method of inhibiting nitrate decomposition using the metal carbonate/bicarbonate of the present disclosure has a significant ability to inhibit nitrate decomposition, and the experimental results show that the method of inhibiting nitrate decomposition using the metal carbonate/bicarbonate can effectively inhibit the decomposition of the nitrate under irradiation for a long time.

Abstract: The present invention relates to the field of bio-pharmaceuticals and provides an anti-CLDN18.2 antibody. Related preparation methods and related uses are described. The antibody of the present invention or related an antigen-binding fragment can specifically bind to CLDN18.2 with a strong binding capacity. After humanization, the antibody or the antigen-binding fragment has a strong ADCC effect and CDC activity and has good pharmaceutical prospects.

Abstract: A biosensing platform for in-situ sampling and target detection based on upconversion luminescence, including: an upconversion luminescent paper-based microfluidic device, an upconversion luminescent biosensor, and a portable detection device based on smartphone imaging. The upconversion luminescent paper-based microfluidic device is configured to sample a to-be-detected substance in situ. The upconversion luminescent biosensor is configured to allow a target to specifically recognize the to-be-detected substance. The portable detection device is configured to detect a content of the to-be-detected substance. The upconversion luminescent biosensor is prepared as follows. (S1) An upconversion nanoparticle seed is prepared. (S2) Core-shell upconversion nanoparticles are prepared. (S3) Core-shell-shell upconversion nanoparticles (UCNPs) are prepared. (S4) The UCNPs is subjected to hydrophilic modification. (S5) The hydrophilically-modified UCNPs are modified with DNA.

Abstract: Aspects of the invention include a computer-implemented method including extracting a domain-specific object feature from a first image data, wherein the feature describes an object in the first image data. A domain-specific semantic meaning of text data is determined. The object feature is mapped to a portion of the text data, wherein the portion of the text data describes the object. A joint representation of the object and the portion of the text data is created. A second image data and a query directed towards an object in the second image data is received. An answer to the query is generated based on the joint representation.

Abstract: Disclosed is a filtering device arranged outside a water outlet piece. A communication seat is provided with a water inlet channel and a water outlet channel, the water inlet channel runs through from a water inlet portion to a water-passing communication portion, and the water outlet channel runs through from the water-passing communication portion to a water outlet portion; a filtering assembly is connected with the water-passing communication portion, and includes a filter element, wherein a water inlet end of the filter element communicates with the water inlet channel, and a water outlet end of the filter element communicates with the water outlet channel, so that the filtering assembly is convenient to replace and low in maintenance cost, the installation is not easy to limit, and the adaptability is high.

Abstract: The present disclosure discloses a shower apparatus, including a water passing pipeline, a filter assembly and a water outlet assembly; wherein a water inlet end of the water passing pipeline is configured to be connected with a water inlet pipe disposed on a wall; a water inlet end of the filter assembly is connected to a water outlet end of the water passing pipeline, and a water outlet end of the filter assembly is connected to a water inlet end of a hose; and a water inlet end of the water outlet assembly is connected to a water outlet end of the hose, and the water outlet assembly is hung on the water passing pipeline. The shower apparatus of the present disclosure makes a height of the water outlet assembly from the ground be not limited, and thus is more comfortable to use.

Abstract: The disclosure provides a method for data instance processing. The method includes obtaining a set of data instances collected from a plurality of organizations. Each of the data instances includes at least one record formed in an organization that stores values of a plurality of attributes of the data instance. The method also includes dividing the set of data instances into groups, wherein data instances with conflicting values for the same attribute are divided into different groups. The method further includes subdividing data instances in each of the groups into clusters.

Abstract: Provided are a resource sharing method and apparatus, an electronic device and a computer-readable medium, which relate to the technical field of information exchange. The method comprises includes: acquiring user information of at least one candidate user; displaying the user information, and receiving a selection operation of a first user for the user information; and determining a second terminal device according to the selection operation, and sending, to the second terminal device and by means of short-distance communication, resources to be shared.

Abstract: A method, a system and a computer program product may evaluate reduction of disease risk. Patient data of a patient may be received. A selection of a disease outcome may be received. A risk score that the patient will experience the selected disease outcome may be determined. The determining may use the patient data. Intervention options may be generated based on the patient data and by accessing a medical record data structure. An intervention effect for each of the intervention options may be determined. The intervention effect may change the risk score. The intervention effects may be compared. A recommendation of at least one of the intervention options may be provided based on the comparing of the intervention effects.

Abstract: A computer implement method for domain adaptation. According to the method, training data from a target domain may be classified by using a group of source models of a source domain, where each of the source models is trained to classify data from the source domain. A first pseudo label indicating a category of the training data may be generated by aggregating classification results of the source models based on respective weights of the source models on predetermined data categories. A target model of the target domain may be trained based on the training data and the first pseudo label and the second pseudo label, where the target model is trained to classify data from the target domain.

Abstract: A dual hand-held shower head assembly includes a water supply pipe, a pipe joint, a water input tube, a button switch valve body, a first water output tube, a second water output tube, a first hand-held shower head, and a second hand-held shower head. The pipe joint has a first water inlet end, a first water input nozzle, a first water output nozzle, and a first water outlet end. The button switch valve body has a second water input nozzle, a second water output nozzle, and a second water outlet end. One side of the button switch valve body is fixedly connected to a suction cup assembly or a double-sided tape assembly.

Abstract: Methods and systems for processing financial market data. An electronic communication to be taken in response to detecting a market condition can be defined. Market data can be received. The market condition can be detected. An order to make a trade in a market based on the market condition can be accepted.

Abstract: A method for detecting deviations between an event log and a process model includes converting the process model into a probability process model, the probability process model comprising multiple nodes in multiple hierarchies and probability distribution associated with the multiple nodes, a leaf node among the multiple nodes corresponding to an activity in the process model; detecting differences between at least one event sequence contained in the event log and the probability process model according to a correspondence relationship; and identifying the differences as the deviations in response to the differences exceeding a predefined threshold; wherein the correspondence relationship describes a correspondence relationship between an event in one event sequence of the at least one event sequence and a leaf node in the probability process model.

Abstract: This disclosure relates to a method, a system and a computer program product for synthesizing risk prediction models to generate a generalized risk prediction model for a particular disease. The method comprises retrieving a plurality of literatures from one or more databases. Each of the plurality of literatures defines a risk prediction model for a same disease. The method further comprises extracting study features from each of the plurality of literatures. The method further comprises extracting weights of risk factors in the risk prediction model defined by each of the plurality of literatures from the plurality of literatures. The method further comprises calculating adjusted weights of risk factors based on the extracted study features and the extracted weights of risk factors, to form an adjusted risk prediction model.