Abstract: The invention discloses an ultrasonic dual-wave reliability measurement method for a bolt stress. A first ultrasonic dual-wave transducer is configured to transmit and receive an ultrasonic transverse wave or an ultrasonic longitudinal wave, a second ultrasonic dual-wave transducer is configured to receive the ultrasonic transverse wave or the ultrasonic longitudinal wave, and the transverse wave or longitudinal wave generated by the first ultrasonic dual-wave transducer is propagated in a measured bolt. If a difference between TOF for which the first ultrasonic dual-wave transducer receives the echo signal and double of TOF for which the second ultrasonic dual-wave transducer receives the echo signal in a same mode is not greater than a quarter of one transmission period T, the measured TOF satisfies verification requirements. Reliability of time-of-flight data of the ultrasonic wave can be verified, and various measurement errors can be prevented.

Abstract: The present disclosure provides a map information acquisition method and a map acquisition apparatus and a non-transitory computer-readable storage medium. The method comprises: acquiring and constructing, by a map acquisition apparatus, map data, and acquiring, by the map acquisition apparatus, shelf identity information of each of shelves, wherein the shelf identity information is in one-to-one correspondence with the shelves, wherein the map acquisition apparatus comprises: a shopping cart component provided with a map construction system and a radio frequency identification reader; and marking, by the map acquisition apparatus, the map data according to each of the shelf identity information, and generating, by the map acquisition apparatus, map information marked with multiple pieces of shelf identity information.

Abstract: A system is described for allowing a user to communicate with an agent of a listing network platform. The system receives, by a network site, a user interaction in a communication session with an agent of a listing network platform. The system analyzes, by a first machine learning model, a profile associated with the user on the listing network platform to predict a subset of information that is relevant to the user interaction with the communication session. The system combines the subset of information into a prompt and processes the prompt by a generative machine learning model to generate a message that responds to the user interaction. The system, in response to receiving the user interaction, presents the message by the agent of the listing network platform to the user in a user interface of the listing network platform.

Abstract: A display system includes a source of unpolarized image light, and a stack of polarization-selective optical elements operable to switchably convert the unpolarized image light into two orthogonally polarized light beams, each of which being switchable in at least one beam characteristic. An output polarizer selects one of the two orthogonally polarized light beams for providing to a user. A depolarizer may be disposed between an electronic display emitting polarized light and the stack. The depolarizer may be in the form of an LC bilayer with randomized in-plane optic axis.

Abstract: A supported catalyst has a support and a metal active component disposed on the support. The metal active component is at least one selected from the group consisting of a Group VIB metal element and a Group VIII metal element. The support contains at least one of heat-resistant inorganic oxides and molecular sieves and includes an internal channel penetrating the support. The ratio of the cross-section area of the channel to the cross-section area of the support is 0.05-3:100. The difference R between the water absorption rate and the BET pore volume of the support is not less than 0.2 mL/g. The supported catalyst can be used as a hydrogenation catalyst. When used in the hydrocracking of hydrocarbon oils, it can achieve high catalytic activity and high yield of jet fuels at the same time. The supported catalyst can also be used as a Fischer-Tropsch synthesis catalyst.

Abstract: A battery includes a housing, and within the housing, an anode having an alkali metal as the active material, a cathode having a mass (m) of a cathode active material, for example, iron disulfide as the active material, a separator between the anode and the cathode, and an increased electrolyte volume (v).

Abstract: A knitted component may include a first area, where the first area includes a plurality of knit loops comprising a first yarn. The knitted component may also include a second yarn at least partially inlaid within the first area of the knitted component such that the second yarn extends between at least a first loop and a second loop of the plurality of knit loops. The second yarn may have a foamable material comprising a blowing agent and a thermoplastic polymer.

Abstract: A male penis site magnetic resonance imaging integrated coil having an erection assisting function includes a cover body, a negative pressure suction erection assisting apparatus, a programmable erection degree control system, and a multi-channel magnetic resonance imaging coil, and is connected to a full-automatic magnetic resonance contrast agent injection system through a pipeline. The integrated coil is similar to a penis in shape and can be used for penis magnetic resonance imaging to obtain a high-quality image; the negative pressure suction erection assisting apparatus can enable a patient having erectile dysfunction to reach a penile erection state without injection of an erection assisting drug. By adjusting blood flow volume and blood flow speed of a penile blood vessel through the erection degree control system, penis cavernous body angiography can be performed to achieve non-invasive diagnosis of the patient having erectile dysfunction, and cavernosography is expected to be replaced.

Abstract: Implementations of this specification provide query optimization methods, apparatuses, and systems for secure multi-party databases. In an implementation, a method includes: receiving a current query associated with a plurality of target database of a multi-party database system, generating a plurality of execution plans for the current query, determining, for each execution plan, a respective cost computation formula of a plurality of cost computation values for computing an execution cost of jointly executing the execution plan by the plurality of target databases, receiving a secure computation result from each of a plurality of query engines corresponding to the plurality of target databases, and determining an optimal execution plan having a lowest cost value in the plurality of cost computation formulas based on the secure computation result.

Abstract: Provided are a word line driver and a memory apparatus. The word line driver comprises: a first keeping transistor and a second keeping transistor; an active area, including a main portion extending in a first direction and a protruding portion adjacent to a part of the main portion and located on one side of the main portion, and the protruding portion has a first source area and a second source area; a gate, located at least above a partial area, opposite to the protruding portion, of the main portion; and a first drain area and a second drain area separately located in the main portion on two opposite sides of the gate in the first direction; where the first drain area, the gate, and the first source area constitute the first keeping transistor, while the second drain area, the gate, and the second source area constitute the second keeping transistor.

Abstract: The present disclosure is generally directed to cleaning head for a vacuum system. The cleaning head includes an edge cleaner disposed on at least one side of the cleaning head to provide enhanced edge cleaning capabilities for the vacuum system.

Abstract: A variety of methods and arrangements to convert a flip chip IC die package into a wirebondable component using an interposer are described. The interposer has an insulating layer and a patterned metal layer attached to one side of the insulating layer. The patterned metal layer is electrically connected to the IC die using solder bumps. The interposer has wirebond pads on a side of the interposer opposed to the side of the interposer having the electrical connection between the IC die and solder bumps. The interposer may be a thin organic laminate or a flexible printed circuit board.

Abstract: Antibodies and compositions against IGF-1R and uses thereof are provided herein.

Abstract: A device control method, includes: sending first device information to a proxy device; obtaining second device information; establishing a first connection with the cloud server, and sending the device information of the proxy device to the cloud server through the first connection, so as to establish a second connection between the proxy device and the cloud server based on the first device information and the second device information, the second connection being configured to transmit the keep-alive message; and in response to determining that notification information sent by the cloud server is received, controlling the Internet of Things device to enter a low power consumption mode, the notification information being configured to indicate that the second connection has been established between the proxy device and the cloud server.

Abstract: A method for estimating a direction of arrival of sound signals from a microphone array, comprising: receiving sound signals from the microphone array, and performing beamforming on the sound signals to obtain wave beams and corresponding wave beam output signals; performing the following operation on each wave beam: converting the wave beam output signal of a current wave beam to frequency domain from time domain to obtain a frequency spectrum vector and a power spectrum vector; calculating comprehensive voice signal energy of the current wave beam, wherein the comprehensive voice signal energy is the product of comprehensive energy indicating the energy level of the wave beam output signal and a comprehensive voice existence probability indicating an existence probability of voice in the wave beam output signal; and selecting the wave beam with a maximal comprehensive voice signal energy value as the output wave beam.

Abstract: A video shooting method includes: enabling a camera application on a terminal and in a slow-motion video recording mode of the camera application, when a motion detection function of the camera application is enabled, starting to capture video frames after a video recording instruction input by a user is detected, recording a second video frame set at a first frame rate automatically when a motion of a human body in a captured first video frame set is a preset motion, and generating a target video, wherein the target video includes a slow-motion video clip, and wherein the slow-motion video clip includes video frames in the second video frame set.

Abstract: The present application discloses a semi-dominant molecular marker related to maize dwarf and an application thereof, and relates to the technical field of maize molecular breeding. The molecular marker related to the maize dwarf is caused by a non-synonymous mutation from G to A in a maize gene Zm00001d013465, and the molecular marker is a nucleotide sequence composed of the non-synonymous mutation site and its upstream and downstream bases. The present application identifies a dwarf mutant, coded as E5779, from an EMS mutation population with maize B73 as the genetic background. By genome resequencing and Mutmap mapping, it is found that the mutant is caused by the non-synonymous mutation from G to A in the gene Zm00001d013465. The molecular marker is developed based on this, and the analysis and utilization of E5779 are helpful to improve the maize plant height and density-tolerant breeding, it has an important breeding application potential.

Abstract: For concurrent data transmission, an example method includes acquiring a processor utilization rate related to transmission of historical data packet(s) and a bandwidth utilization rate of a data link within a target time period. A time consumption for transmitting a target data packet, a splitting processing resource related to a splitting operation, and a packaging processing resource related to a packaging operation are determined. Based on the processor utilization rate, the bandwidth utilization rate, the time consumption, the splitting processing resource, and the packaging processing resource, a split number is determined for the target data packet to concurrently transmit the target data packet. In this way, a data transmission speed can be improved, time consumed for transmitting the target data packet can be reduced, and meanwhile, it can also alleviate problems such as excessive processing resource consumption and overloaded operation of the processor caused by concurrent transmission.

Abstract: Systems, computer-implemented methods, and computer program products to facilitate improving a mono-lingual language model using pre-trained models and parallel data are provided. According to an embodiment, a system can comprise a processor that executes components stored in memory. The computer executable components can comprise a training component that can use a first language model to improve a mono-lingual second language model through mask language modeling (MLM) training and contrastive learning. The computer executable components can comprise a data component that can collect parallel data for the first language model and the mono-lingual second language model. The computer executable components can comprise a tokenizing component that can tokenize the parallel data for the first language model and the mono-lingual second language model. The computer executable components can comprise an alignment component that can create an alignment of the tokenized parallel data.

Abstract: Techniques presented herein relate to vulcanizing equipment that includes a vulcanizing mold in which a vulcanizing cavity is formed, a vulcanizing bladder suitable for being placed in the vulcanizing cavity, and a supporting assembly that includes a center rod and a clamping device arranged on the center rod. The clamping device is suitable for installing the curing bladder in the cavity in a sealed manner. The vulcanizing equipment further includes a heating assembly and a gas circulation assembly that are arranged in the curing bladder in a stacked manner in the axial direction of the center rod. The gas circulation assembly is suitable for circulating a heated heating medium in the curing bladder. A driving assembly of the vulcanizing equipment includes a rotating shaft sleeve that is arranged on the outer side of the center rod in a clearance-fit manner and is connected to the gas circulation assembly.