Abstract: A computer-implemented method for utilizing external knowledge and memory networks in a question-answering system includes receiving, from a search engine of a question-answering system, one or more search results based on a search query associated with a question submitted via a user interface associated with a computing device, analyzing the one or more search results to generate search evidence as a source of external knowledge for generating an answer to the question, the search evidence including one or more titles and one or more corresponding text snippets, encoding the search evidence and the search query to generate vectors stored in a memory network, obtaining a final vector representation based on the encoding, and decoding the final vector representation to obtain the answer to the question.

Abstract: An ultrasonic module and a manufacturing method for ultrasonic module are provided. The ultrasonic module includes a substrate, a composite layer, and a covering layer. The substrate has an upper surface. The composite layer has a top surface, a bottom surface, and a recessed surface recessed toward the bottom surface. The bottom surface is on the upper surface of the substrate. One or more space is formed between the recessed surface and the upper surface. The composite layer has one or more first groove extending from the top surface toward the recessed surface. The first groove separates the composite layer into a circuit structure and an ultrasonic structure connected to the circuit structure. The covering layer is assembled on the top surface of the composite layer.

Abstract: An electrical connector is used to electrically connect an electronic component to a circuit board, and includes an insulating body, at least one first terminal and at least one second terminal. The first terminal has a first base accommodated in the insulating body and a first elastic arm extending upward from the first base. The first elastic arm is used to abut the electronic component. The second terminal has a second base soldered and fixed to the first base, and a second elastic arm extending from the second base toward the first elastic arm. The second elastic arm upward abuts the first elastic arm. A lower end of the first base is provided with a first conduction portion to be electrically connected to the circuit board. A projection of the first conduction portion and a projection of the first elastic arm in a vertical direction are at least partially overlapped.

Abstract: Methods and devices for controlling a motion position of a multi-leaf collimator are provided. An example device includes a control system and two trolleys connected with the control system. The multi-leaf collimator includes two rows of leaves arranged in opposite sides, and each of the trolleys carries one row of the leaves. Each trolley is movably connected with a first screw rod and driven by a first motor connected with the first screw rod. A first encoder is arranged on the first motor and operable to feed back first position information of the trolley to the control system. A displacement sensor is arranged on the first screw rod and operable to feed back second position information of the trolley to the control system. The control system is operable to control the motion position of the trolley based on the first position information and the second position information.

Abstract: An electrical connector is used to electrically connect an electronic component to a circuit board, and includes an insulating body, at least one first terminal and at least one second terminal. The first terminal has a base accommodated in the insulating body, and a first elastic arm extending upward from the base and at least partially located above the insulating body. The first elastic arm is used to abut the electronic component. The second terminal has a fixed end and a second elastic arm connected to each other. The fixed end is at least partially located above the insulating body and fixed to the first elastic arm, and at least a portion of the second elastic arm is located in the insulating body and is slidably in contact with the first terminal.

Abstract: In an approach, a processor predicts a thermal load caused by a door opening event in at least part of a cargo space of a refrigerated transport vehicle based on, at least, an external ambient condition, environmental factors within the cargo space, and a duration of the door opening event. A processor obtains pre-cooling profile information describing cargo space temperature performance with a pre-cooling operation under conditions corresponding to, at least, the predicted thermal load caused by the door opening event. A processor determines a distribution path for the refrigerated transport vehicle based on the predicted thermal load caused by the door opening event and the obtained pre-cooling profile information, wherein the distribution path is associated with the pre-cooling operation.

Abstract: The present disclosure discloses a vehicle lamp control apparatus. The vehicle lamp control apparatus includes a timing generator configured to detect a setting voltage, which is varied, and measure a time in which the setting voltage reaches levels of a first reference voltage and a second reference voltage to generate a first delay time and a second delay time, and a lamp control circuit configured to control sequential turn-on of light-emitting diode (LED) channels using the first delay time and the second delay time.

Abstract: The present disclosure discloses a vehicle lamp control apparatus. The vehicle lamp control apparatus includes a timing generator configured to detect first and second setting voltages, which are varied, and measure a time in which each of the first and second setting voltages reaches a reference voltage to generate first and second delay times, and a lamp control circuit configured to control sequential turn-on of LED channels using the first and second delay times.

Abstract: An electrical connector is used to mate with a mating connector. The mating connector includes multiple mating terminals, and each mating terminal has a first contact portion. The electrical connector includes: an insulating body having a mating space used to mate with the mating connector; a shielding sheet accommodated in the insulating body; multiple contact terminals, each being accommodated in the insulating body and located at one side of the shielding sheet, and each has a second contact portion exposed to the mating space; and an elastic body accommodated in the insulating body and partially exposed to the mating space. The elastic body is located between the shielding sheet and the contact terminals. When the electric connector is mated with the mating connector, the first contact portions enters into the mating space, and the elastic body forces each first contact portion abuts a corresponding second contact portion.

Abstract: A method for preparing a new crystalline form of ?-aminobutyric acid, including the steps of: S1: preparing a ?-aminobutyric acid solution at an initial concentration of 0.5-1.0 g/mL by adding crude ?-aminobutyric acid to water; adding an additive to the ?-aminobutyric acid solution, raising the temperature to 50-80° C., stirring to produce a clear solution; and S2: obtaining a suspension by evaporating water from the product of S1 under reduced pressure and at 50-80° C.; obtaining a wet product by filtering the suspension; drying the wet product to obtain the new crystalline form of ?-aminobutyric acid. The preparation method of the new crystalline form of ?-aminobutyric acid is simple, easy to operate, low in energy consumption, economical and environmentally friendly. It is suitable for large-scale industrial production.

Abstract: Speech recognition is performed by receiving a speech signal that includes spoken phones. A dynamic time warping procedure is applied to the received speech signal to generate a time-warped signal. The time-warped signal is compared to a plurality of stored reference patterns to identify a set of stored reference patterns that are most similar to the time-warped signal. A candidate hot word is selected from a list using the identified set of stored reference patterns. The selection of the candidate hot word is then refined.

Abstract: An electrical connector for electrically connecting a chip module to a circuit board includes a body for upwardly bearing the chip module. The body is provided with multiple accommodating holes. Each accommodating hole has a first groove and a second groove, and a width of the second groove is less than a width of the first groove. Multiple terminals are correspondingly accommodated in the accommodating holes. Each terminal includes: a base, accommodated in the first groove; an extending portion, bending and extending from one side of the base and accommodated in the second groove; a conducting portion, provided on a bottom portion of the terminal to be electrically connected with the circuit board; and an elastic portion, formed by upwardly bending and extending from the extending portion to abut the chip module.

Abstract: A method for generating electric substation load transfer control parameters includes adjusting elements in a fundamental scale matrix according to a condition change of a power grid, wherein the fundamental scale matrix is constructed based on the topology structure of the power grid, and the elements in the fundamental scale matrix represent switch information and risk values of paths between nodes of the power grid, wherein the switch information represents number of switching times required for connecting two nodes of the power grid; and performing operations on the adjusted fundamental scale matrix to generate switch information and risk values of paths for electric substation load transfer control, as electric substation load transfer control parameters.

Abstract: The present invention relates to the field of food processing and provides a method for preparing olive leaf powder, including the following steps: pulverizing olive leaves under conditions protected from light to obtain crushed olive leaves; immersing the crushed olive leaves in water, and homogenizing, to obtain an olive-leaf homogenate; pre-freezing the olive-leaf homogenate at a temperature below ?16° C. for more than 25 min, and then vacuum freeze-drying to obtain the olive leaf powder; where the vacuum freeze-drying is performed according to the following: the olive-leaf homogenate is heated at a constant rate from the pre-freezing temperature to a drying temperature, and is dried at this temperature for more than 20 min to obtain the olive leaf powder; and the drying temperature is 15-35° C.

Abstract: An electrical connection device includes an electronic component and a docking component. The electronic component includes a first conductor. The first conductor has a first section and a second section extending forward from the first section. The second section has a contact portion. A width of the contact portion in an extending direction of the second section gradually decreases. The docking component includes a second conductor conductively connected to the first conductor to transmit a high-frequency signal. The contact portion abuts the second conductor. The first section is located behind the second conductor. Thus, the cross-sectional area of the abutting location of the contact portion and the second conductor gradually decreases in the extending direction of the second section. That is, the cross-sectional area of the abutting location of the contact portion and the second conductor gradually decreases relative to the cross-sectional area of the first section.

Abstract: An electrical connector is electrically connected to a chip module having multiple contact pads. The electrical connector includes an insulating body having multiple accommodating grooves. Multiple conductive terminals are respectively accommodated in the accommodating grooves. Each conductive terminal has a main body portion accommodated in a corresponding accommodating groove and an extending arm extending forward from an upper end of the main body portion. Each extending arm of the conductive terminals is used to be upward electrically connected to a corresponding contact pad. At least one supporting portion is provided on the insulating body and located at one side of a corresponding accommodating groove. A first guide portion protrudes and extends from a top end of the supporting portion to upward abut the chip module. A horizontal projection of the extending arm of at least one conductive terminal partially overlaps with a horizontal projection of the first guide portion.

Abstract: Techniques are described that facilitate automatically distinguishing between different expressions of a same or similar emotion. In one embodiment, a computer-implemented is provided that comprises partitioning, by a device operatively coupled to a processor, a data set comprising facial expression data into different clusters of the facial expression data based on one or more distinguishing features respectively associated with the different clusters, wherein the facial expression data reflects facial expressions respectively expressed by people. The computer-implemented method can further comprise performing, by the device, a multi-task learning process to determine a final number of the different clusters for the data set using a multi-task learning process that is dependent on an output of an emotion classification model that classifies emotion types respectively associated with the facial expressions.

Abstract: An electrical connector is provided for electrically connecting a circuit board and an electronic component having at least one conductive member. The electrical connector includes: an insulating body; at least one first terminal having a first base accommodated in the insulating body, and a first elastic arm extending upward from the first base and exposed from the insulating body; and at least one second terminal having a second base fixed to the first base, and a second elastic arm extending upward from the second base and exposed from the insulating body. The first elastic arm has a first contact portion and a first notch. The second elastic arm has a second contact portion. The first and second contact portions both extend forward, and the second contact portion is accommodated in the first notch such that the first and second contact portions are in contact with a same conductive member.

Abstract: An electrical connector includes a reinforcing plate, which is encapsulated by an insulating body by injection molding. Positioning structures are provided in terminal slots of the insulating body. The insulating body is made of an elastic insulating material. Multiple terminals are mounted on the positioning structures. Each metal terminal is provided with an upper contact portion and a lower contact portion. When the upper contact portions is in contact with a chip module, and the lower contact portions is in contact with a circuit board, each of the metal terminals interferes with an inner wall of the corresponding terminal slot, so as to solve the metal fatigue of the metal terminals and to ensure the strength of the metal terminals.

Abstract: In an implementation, guiding a service flow is described. Historical behavior data of one or more users who use a target service is obtained for the target service. The historical behavior data is analyzed to obtain one or more user features. One or more target users are selected from one or more users who do not use the target service based on the one or more user features. Each target user has at least one of the one or more user features. Service flow guiding information is sent to each target user. The service flow guiding information guides each target user to use the target service.