Abstract: Embodiments of the disclosure relate to a method, apparatus, device and storage medium for configuring a message card. The method includes: obtaining configuration information for a digital assistant, the configuration information indicating at least one message card for the digital assistant and a data source corresponding to the at least one message card, the configuration information further indicating a mapping relationship between a first data field associated with the at least one message card and a second data field associated with the data source; and controlling the digital assistant to display a message card based on the configuration information. In this way, by configuring the mapping between the message card and the data source, embodiments of the present disclosure may improve the reusability of message cards.

Abstract: Embodiments of this specification describe technologies for interaction with a digital assistant. One method comprises: based on a storage configuration of the digital assistant, determining whether interaction information between a user and the digital assistant comprises one of: information corresponding to a first type or information depending on the first type of information indicated by the storage configuration; in response to the interaction information comprising the first type of information and the first type of information being not stored, writing the first type of information into a storage area; in response to the interaction information comprising information depending on the first type of information and the first type of information having been stored, reading the stored first type of information from the storage area; and determining, based on the stored or read first type of information, a response of the digital assistant to the user.

Abstract: A method, apparatus, device, and medium for processing a user task are provided. In one method, a user input represented in a natural language is received from a user. The user input indicates a task to be executed. A task type of the task is determined based on the user input. In response to determining that the task type indicates an execution result of the task is unable to be obtained within a predetermined time period, a subsequent task of the task is created to provide the execution result of the task by a machine learning model when a triggering condition for the task is met. With exemplary implementations of the present disclosure, user tasks that cannot obtain the execution result of the task within a predetermined time period can be processed in a more flexible and efficient manner.

Abstract: The present disclosure discloses a MEMS microphone, including: a substrate including a back cavity; a capacitive system arranged on the substrate, the capacitive system including a back plate and a diaphragm opposite to the back plate; wherein the diaphragm includes a vibration portion and a fixing portion surrounding the vibration portion and fixed to the substrate, the vibration portion and the fixing portion are spaced apart from each other by a slit, the fixing portion includes a plurality of releasing portions, and the releasing portions pass through the fixing portion. Compared with the related art, MEMS microphone disclosed by the present disclosure has a high reliability of the back plate.

Abstract: The present invention provides a MEMS microphone including a substrate with a back cavity and a capacitive system disposed on the substrate. The capacitive system includes a back plate and a vibration diaphragm arranged opposite to the back plate. The back plate includes a middle part and a fixed part surrounding the middle part and fixed to the substrate. The fixed part is arranged with a thickness greater than that of the middle part, and the fixed part includes a first surface away from the substrate and a second surface opposite to the first surface. The first surface includes a first arc connected to the middle part, and the first arc protrudes away from the substrate. Compared with related technologies, the MEMS microphone provided by the present invention can improve the reliability of the back plate.

Abstract: The present disclosure discloses a MEMS microphone, including: a substrate including a back cavity; a capacitive system arranged on the substrate, the capacitive system including a back plate and a diaphragm opposite to the back plate; wherein the diaphragm includes a vibration portion and a fixing portion surrounding the vibration portion and fixed to the substrate, the vibration portion and the fixing portion are spaced apart from each other by a slit, the fixing portion includes a plurality of releasing portions, and the releasing portions pass through the fixing portion. Compared with the related art, MEMS microphone disclosed by the present disclosure has a high reliability of the back plate.

Abstract: A MEMS microphone, includes a substrate with a back cavity, and a capacitive system located on the substrate, including a back plate and a diaphragm opposite to the back plate, wherein the back plate includes a body portion, a fixing portion connected with the body portion and the substrate, and a plurality of strip reinforcing ribs, the reinforcing ribs are protruded from the body portion. Compared with the related art, the MEMS microphone disclosed by the present disclosure could improve the strength of the back plate.

Abstract: A display panel includes a first subpixel region configured to emit light of a first color, a second subpixel region configured to emit light of a second color, and a third subpixel region configured to emit light of a third color. The display panel includes a first light-emitting diode including a first light emitting layer, a second light emitting diode including a second light emitting layer, and a third light-emitting diode including a third light emitting layer. The second light emitting layer and the third light emitting layer are spaced apart from each other. At least a first portion of the first light emitting layer and the third light emitting layer are parts of a unitary layer continuously extending from the third subpixel region to at least a first portion of the first subpixel region. The third subpixel region is smaller than the second subpixel region.

Abstract: Provided is a method for preparing 4-(hydroxymethylphosphinyl)-2-oxobutanoic acid, comprising the following steps: a) mixing methylphosphonite diester, carboxylic acid and acryloyl cyanide, performing addition reaction, and performing distillation under reduced pressure to obtain a material solution of (3-cyano-3-carbonylpropyl)methylphosphonate; b) mixing the material solution of (3-cyano-3-carbonylpropyl)methylphosphonate obtained in step a) with water uniformity, cooling to 10° C.-40° C., then adding hydrochloric acid dropwise for acidification, and after the dropwise addition being completed, continuing stirring for 0.1 h-1 h, then performing hydrolysis reaction, and finally performing purification treatment to obtain 4-(hydroxymethylphosphinyl)-2-oxobutanoic acid. In the provided preparation method, cyanation reaction is not required, which avoids the use of cyclic phosphonic anhydride that is high in cost and difficult to obtain and the highly toxic sodium cyanide.

Abstract: The present invention provides a method for preparing 4-(hydroxymethylphosphinyl)-2-oxobutanoic acid, comprising the following steps: a) mixing acryloyl chloride, a first solvent, a polymerization inhibitor, a catalyst and potassium ferrocyanide, performing a substitution reaction, and performing distillation under reduced pressure to obtain an acryloyl cyanide intermediate; b) mixing the acryloyl cyanide intermediate obtained in step a) with hydrochloric acid and a polymerization inhibitor, performing a hydrolysis reaction, and then performing purification treatment to obtain crude 2-carbonyl-3-butenoic acid; c) mixing the crude 2-carbonyl-3-butenoic acid obtained in step b) with a second solvent and methyldichlorophosphine, and performing an addition reaction to obtain a solution containing diacyl chloride; d) mixing the solution containing diacyl chloride obtained in step c) with water, performing a hydrolysis reaction, and performing purification to obtain 4-(hydroxymethylphosphinyl)-2-oxobutanoic acid.

Abstract: A method for preparing 4-(hydroxymethylphosphinyl)-2-oxobutanoic acid, comprising the following steps: a) mixing 3-chloropropionyl chloride, a first solvent, trimethylsilyl cyanide and cyanide salt, performing a substitution reaction to obtain a material solution containing 4-chloro-2-oxobutyronitrile, then performing distillation under reduced pressure, and performing separation to obtain 4-chloro-2-oxobutyronitrile intermediate; b) subjecting the 4-chloro-2-oxobutyronitrile intermediate obtained in step a) and methyl phosphonite diester to Arbuzov reaction in a second solvent in the presence of cuprous iodide to obtain a material solution of (3-cyano-3-oxopropyl) methyl phosphinate, and performing purification to obtain crude (3-cyano-3-oxopropyl) methyl phosphinate; c) mixing the obtained crude (3-cyano-3-oxopropyl)methyl phosphinate with hydrochloric acid, performing hydrolysis reaction, and then performing purification treatment to obtain 4-(hydroxymethylphosphinyl)-2-oxobutanoic acid.

Abstract: A display panel is provided, including light emitting devices arranged in an array, and each light emitting devices includes: a first electrode; a first light emitting layer, a second light emitting layer, a third light emitting layer, a fourth light emitting layer, a fifth light emitting layer, and a second electrode, which are all arranged sequentially. A microcavity is formed between the first electrode and the second electrode, four light emitting layers among the first light emitting layer, the second light emitting layer, the third light emitting layer, the fourth light emitting layer and the fifth light emitting layer emit light having a first wavelength, and a remaining light emitting layer, except for the four light emitting layers emitting the light having the first wavelength, emits light having a second wavelength. The first wavelength is smaller than the second wavelength.

Abstract: A method of forming a semiconductor structure includes annealing a surface of a substrate in an ambient of hydrogen to smooth the surface, pre-cleaning the surface of the substrate, depositing a high-? dielectric layer on the pre-cleaned surface of the substrate, performing a re-oxidation process to thermally oxidize the surface of the substrate; performing a plasma nitridation process to insert nitrogen atoms in the deposited high-? dielectric layer, and performing a post-nitridation anneal process to passivate chemical bonds in the plasma nitridated high-? dielectric layer.

Abstract: The present disclosure provides a light-emitting diode, including a first electrode, a light-emitting functional layer and a second electrode which are stacked, the first electrode is a transparent electrode, the second electrode includes a metal electrode layer and a semiconductor auxiliary layer, the metal electrode layer is attached to the light-emitting functional layer, the semiconductor auxiliary layer is located on a surface of the metal electrode layer away from the light-emitting functional layer. The metal electrode layer is made of a magnesium-silver alloy, a thickness of the metal electrode layer is between 3 nm and 5 nm, and the semiconductor auxiliary layer is made of IZO, a thickness of the semiconductor auxiliary layer is between 100 nm and 130 nm. The present disclosure further provides a light emitting device and a method of manufacturing a light emitting diode. The light-emitting diode has high color rendering index and low power consumption.

Abstract: A display substrate includes a base substrate, a thin film transistor array layer, a planarization layer, a first electrode and a pixel definition layer, the pixel definition layer defining a plurality of pixel openings, each pixel opening includes a first edge and a second edge adjacent to each other, the pixel definition layer includes a first pixel definition layer parallel to the first edge and a second pixel definition layer parallel to the second edge. A surface of the first pixel definition layer away from the base substrate is located at a level lower than a surface of the second pixel definition layer away from the base substrate, a groove parallel to the first edge is arranged in a surface of the planarization layer away from the base substrate, at least a part of the first pixel definition layer is arranged in the groove.

Abstract: The present disclosure discloses a MEMS microphone including a substrate including a back cavity; a capacitive system arranged on the substrate, the capacitive system including a back plate and a diaphragm opposite to the back plate, the diaphragm located on a side of the back plate close to the substrate; a support member located between the diaphragm and the back plate; a blocking portion arranged on a side of the back plate facing the diaphragm; wherein the diaphragm includes a vibration portion and a fixing portion surrounding the vibration portion and fixed to the substrate, the vibration portion and the back plate are fixedly connected by the support member, a projection of the blocking portion along a vibration direction of the diaphragm is located within the vibration portion of the diaphragm. Compared with the related art, MEMS microphone disclosed by the present disclosure has a high signal-to-noise ratio.

Abstract: A system includes a milling assembly with a mill bit and a drill string that mills a new wellbore section. The system further includes a whipstock assembly that is formed by a smart reamer that reams an obstruction in a wellbore, a whipstock that deflects the milling assembly away from the wellbore, and a bypass valve mechanism that controls a fluid flowing through the system. Within the system, the milling assembly is fluidly connected to the whipstock assembly.

Abstract: The present disclosure relates generally to immunoglobulin-related compositions (e.g., antibodies or antigen binding fragments thereof) that can bind to and neutralize the activity of polysialic acid. The antibodies of the present technology are useful in methods for detecting and treating a polysialic acid-associated cancer in a subject in need thereof.

Abstract: The disclosure provides a light-emitting substrate, a display panel and a display device. The light-emitting substrate includes a plurality of light-emitting devices arranged in an array, each light-emitting device includes: a first electrode; a first light-emitting layer on the first electrode; a second light-emitting layer on the first light-emitting layer; a third light-emitting layer on the second light-emitting layer; a fourth light-emitting layer on the third light-emitting layer; and a second electrode on the fourth light-emitting layer. Three light-emitting layers of the first light-emitting layer, the second light-emitting layer, the third light-emitting layer, and the fourth light-emitting layer emit light of a first wavelength, and a remaining light-emitting layer of the first light-emitting layer, the second light-emitting layer, the third light-emitting layer, and the fourth light-emitting layer emits light of a second wavelength, and the first wavelength is smaller than the second wavelength.

Abstract: Provided is a diaphragm and a micro-electromechanical system (MEMS) microphone. The diaphragm includes a vibrating portion and a support structure. The support structure includes a cantilever portion. Lengths of the first and second anchoring portion both extend along a circumferential direction of the vibrating portion, and a length extension direction of the first anchoring portion is opposite to that of the second one. The lengths of the first and second anchoring portions both extend along the circumferential direction of the vibrating portion, and the length extension direction of the first anchoring portion is opposite to that of the second one, so that the first and second anchoring portions and the cantilever portion are connected in a T shape. A vibration displacement range of the diaphragm is larger, thereby improving sensitivity and compliance of the MEMS microphone.