Abstract: The present disclosure provides a method and device for intelligent control of heating furnace combustion based on a big data cloud platform, which relates to the technical field of artificial intelligence control. The method includes: construction of big data cloud platform based on production and operation parameters of the heating furnace; identification of key factors in the production process of the heating furnace by using big data mining technology; independent deployment of traditional heating furnace combustion control systems based on the mechanism model; and integration of cloud platform big data expert knowledge base and the heating furnace combustion intelligent control system.

Abstract: The present disclosure provides a preparation method of dihydroquercetin, belonging to the field of synthesis of drugs. The method includes steps of: adjusting reaction solvent water to be alkaline with an alkalizing reagent, to obtain an alkaline aqueous solution; dissolving quercetin dihydrate in the alkaline aqueous solution, and adding a sulfite binary combined reducing agent to carry out reduction reaction, to obtain an endpoint reduction reaction solution; diluting the endpoint reduction reaction solution with water, and then acidizing, aging, and filtering the resultant to obtain a filtrate and a filter cake; subjecting the filtrate to extraction, washing, drying, and vacuum concentration to obtain a concentrated crude product; and repeatedly crystallizing the concentrated crude product to obtain dihydroquercetin. The preparation method of the present disclosure has readily available raw materials, a simple process, and low production costs, and is particularly suitable for industrial production.

Abstract: Provided is a cleaning apparatus, including a liquid supply tank, a liquid storage tank, a first cleaning component, a first rib, disposed on the first cleaning component, for being in contact with a member to be cleaned; where the first rib has two opposite walls protruding above a top surface of the first cleaning component, and the two opposite walls extend along a length direction of the first cleaning component; and a liquid supply port, supplying cleaning liquid in the liquid supply tank to the first cleaning component, where the liquid supply port faces down toward a liquid input end of the first cleaning component; and where liquid injected from the liquid input end flows toward the member to be cleaned and cleans the member to be cleaned under a guidance of the two opposite walls, and is collected to the liquid storage tank.

Abstract: The present disclosure provides a preparation method of dihydroquercetin, belonging to the field of synthesis of drugs. The method includes steps of: adjusting reaction solvent water to be alkaline with an alkalizing reagent, to obtain an alkaline aqueous solution; dissolving quercetin dihydrate in the alkaline aqueous solution, and adding a sulfite binary combined reducing agent to carry out reduction reaction, to obtain an endpoint reduction reaction solution; diluting the endpoint reduction reaction solution with water, and then acidizing, aging, and filtering the resultant to obtain a filtrate and a filter cake; subjecting the filtrate to extraction, washing, drying, and vacuum concentration to obtain a concentrated crude product; and repeatedly crystallizing the concentrated crude product to obtain dihydroquercetin. The preparation method of the present disclosure has readily available raw materials, a simple process, and low production costs, and is particularly suitable for industrial production.

Abstract: This application provides a service chain fault protection method, an apparatus, a device, a service chain fault protection system, and a storage medium, and relates to the field of communications technologies. In this application, in an SRV6 static service chain scenario, when a link between an SF network element and an SFF accessed by the SF network element is faulty, a secondary SID is introduced to update a destination address field of a packet header of a packet to the secondary SID, so that the packet is bypassed, based on the secondary SID, to another SFF accessed by the SF network element, thereby implementing fault protection in the link between the SFF and the SF network element.

Abstract: A path detection method and apparatus for forwarding at least two layers of labels includes generating, by a first network device, a first request packet used for path detection, where the first request packet includes a label stack and a time to live (TTL), and an initial quantity of layers of the label stack matches an initial value of the TTL, and sending the first request packet, where the first request packet instructs a second network device to send a first response packet to the first network device when the TTL is 0 after being reduced by 1, and the first response packet reaches the first network device through an internet protocol route.

Abstract: Disclosed is a loudspeaker module, comprising a module housing formed with an accommodation cavity, and a loudspeaker unit accommodated in the accommodation cavity, wherein the loudspeaker unit comprises a magnetic conductive yoke; a through hole which corresponds to the magnetic conductive yoke and penetrates through inner and outer surfaces of the module housing is provided, near the magnetic conductive yoke, on the module housing, and the magnetic conductive yoke extends into the through hole; and an assembly gap is provided between the magnetic conductive yoke and a hole wall of the through hole. The loudspeaker module further comprises a sealing member, wherein a part of the sealing member is adhered to the outer surface of the housing, and the other part is adhered to a bottom surface of the magnetic conductive yoke so as to seal the assembly gap.

Abstract: Disclosed is a loudspeaker module, comprising a module housing formed with an accommodation cavity, and a loudspeaker unit accommodated in the accommodation cavity, wherein the loudspeaker unit comprises a magnetic conductive yoke; a through hole which corresponds to the magnetic conductive yoke and penetrates through inner and outer surfaces of the module housing is provided, near the magnetic conductive yoke, on the module housing, and the magnetic conductive yoke extends into the through hole; and an assembly gap is provided between the magnetic conductive yoke and a hole wall of the through hole. The loudspeaker module further comprises a sealing member, wherein a part of the sealing member is adhered to the outer surface of the housing, and the other part is adhered to a bottom surface of the magnetic conductive yoke so as to seal the assembly gap.

Abstract: A path detection method and apparatus for forwarding at least two layers of labels includes generating, by a first network device, a first request packet used for path detection, where the first request packet includes a label stack and a time to live (TTL), and an initial quantity of layers of the label stack matches an initial value of the TTL, and sending the first request packet, where the first request packet instructs a second network device to send a first response packet to the first network device when the TTL is 0 after being reduced by 1, and the first response packet reaches the first network device through an internet protocol route.

Abstract: The present invention relates to a speaker, and speaker module. The speaker comprises a housing and two electrical connection members mounted on the housing, each electrical connection member comprises a second pad portion exposed from a side wall of the housing, and the second pad portion is disposed in parallel to the side wall of the housing. The speaker further comprises a circuit board attached to the side wall of the housing, and the circuit board is electrically connected to the second pad portions. The speaker of the present invention enables attaching the circuit board to the side wall of the housing, thus increasing operation space, and reducing operational risks. By attaching the circuit board to the side wall of the housing, the present invention reduces interference of the circuit board on a terminal antenna, and reduces the possibility of the circuit board involving in vibration of a back chamber, thus improving the performance of the speaker.

Abstract: The embodiments of the disclosure provide a spacer, a liquid crystal display panel and a display device, and the spacer can ensure that it has a relative stability in the case of being under the action of an external force. The spacer comprises a first body and a second body disposed opposite to each other, one side of the first body close to the second body comprises at least one protrusion structure, and one side of the second body close to the first body comprises at least one groove structure, wherein the at least protrusion structure and the at least one groove structure match each other.

Abstract: Provided is a display substrate. The display substrate includes a base substrate and a thin film transistor which is formed on the base substrate, wherein the thin film transistor includes a drain electrode, and at least one pad structure is arranged on an outer side of the drain electrode; a vertical distance between a top surface of the pad structure and the base substrate is less than the vertical distance between the top surface of the drain electrode and the base substrate, and is greater than the vertical distance between the top surface of the substrate, which is located on one side of the pad structure is far away from the drain electrode, and the base substrate. Further provided are a manufacturing method for the display substrate and a display device.

Abstract: The present invention relates to a speaker, and speaker module. The speaker comprises a housing and two electrical connection members mounted on the housing, each electrical connection member comprises a second pad portion exposed from a side wall of the housing, and the second pad portion is disposed in parallel to the side wall of the housing. The speaker further comprises a circuit board attached to the side wall of the housing, and the circuit board is electrically connected to the second pad portions. The speaker of the present invention enables attaching the circuit board to the side wall of the housing, thus increasing operation space, and reducing operational risks. By attaching the circuit board to the side wall of the housing, the present invention reduces interference of the circuit board on a terminal antenna, and reduces the possibility of the circuit board involving in vibration of a back chamber, thus improving the performance of the speaker.

Abstract: Disclosed is a loudspeaker module which comprises a housing and a loudspeaker unit accommodated in the housing. The housing comprises a front cover, a first housing and a second housing, and a cavity is defined by the front cover, the first housing and the second housing. The loudspeaker unit is fixed in the cavity, and the cavity is divided into a front cavity and a rear cavity by the loudspeaker unit. The front cavity is a cavity defined by the loudspeaker unit, the front cover and the first housing. The loudspeaker unit comprises a vibration system and a magnetic circuit system. The front cover is provided with a chamber corresponding to a mounting position of the loudspeaker unit, and the cavity is isolated from the front cavity and the rear cavity and is provided with a ventilation structure in communication with external environment.

Abstract: A quantitative trend trade decision-making system based on rick control, which quantifies an investment risk and calculates buying, selling, stop-profit and stop-loss operating points. A decision-making method, which provides a trade instruction on the basis of probabilistic analysis, performs a trial and error process on the trade instruction under a premise of risk control; provides a stop-loss value to a wrong instruction, performs forced liquidation; and provides a stop-profit value to a correct instruction, and provides a quantitative trade or subjective trade. By a quantitative trade model, in a case of profit, the subjective trade may be performed in order to gain the best return. In a case of loss, the trade is strictly performed in accordance with the quantitative decision-making system to minimize a trade risk.

Abstract: The present disclosure provides an array substrate and a method of manufacturing the same, and a display device. The array substrate includes a red light emitting unit, a green light emitting unit and a blue light emitting unit; the red light emitting unit includes a red phosphor layer configured for emitting red light under excitation of blue light emitted from a light source; the green light emitting unit includes a green phosphor layer configured for emitting green light under excitation of the blue light emitted from a light source; and the blue light emitting unit is configured for, when being irradiated by the blue light emitted from a light source, emitting blue light.

Abstract: A loudspeaker module emitting sound at a lateral side comprises a loudspeaker unit and a module housing comprising a lower module housing, a middle module housing and an upper module housing. A space formed by the loudspeaker unit, the middle module housing and the lower module housing is a rear sound cavity. A space formed by the loudspeaker unit, the middle module housing and the upper module housing is a front sound cavity. The loudspeaker module further comprises a cover plate which forms a cavity together with the upper module housing. The cavity is communicated with the rear sound cavity through a conducting hole. By utilizing the loudspeaker module of the present invention, superfluous space of the upper module housing can be converted into the rear sound cavity, and therefore the size of the rear sound cavity is increased, and the acoustic performance of the loudspeaker module is improved.

Abstract: An array substrate includes a plurality of pixel regions, each of which includes: a pixel electrode and a drain electrode arranged on a same layer and independent from each other. The pixel electrode and the drain electrode are connected by a conductive part that is arranged on a different layer from the layer which the pixel electrode and the drain electrode are arranged on. The pixel electrode, the drain electrode and the conductive part are separated from each other by an insulation layer. A first via hole and a second via hole penetrating through the insulation layer are formed in the insulation layer at a position corresponding to the drain electrode and at a position corresponding to the pixel electrode, respectively. The drain electrode is connected to the conductive part through the first via hole, and the pixel electrode is connected to the conductive part through the second via hole.

Abstract: Disclosed is a loudspeaker module which comprises a housing and a loudspeaker unit accommodated in the housing. The housing comprises a front cover, a first housing and a second housing, and a cavity is defined by the front cover, the first housing and the second housing. The loudspeaker unit is fixed in the cavity, and the cavity is divided into a front cavity and a rear cavity by the loudspeaker unit. The front cavity is a cavity defined by the loudspeaker unit, the front cover and the first housing. The loudspeaker unit comprises a vibration system and a magnetic circuit system. The front cover is provided with a cavity opposite to a mounting position of the loudspeaker unit, and the cavity is isolated from the front cavity and the rear cavity and is provided with a ventilation structure in communication with external environment. The loudspeaker module of the present invention has the advantage of good acoustic performance.