Abstract: The present disclosure relates to an afterburner structure with fuel injection nozzles. In the condition of a stable inlet flow, the present disclosure forms a sweeping oscillating jet with a certain frequency at the outlet under an alternate feedback action of a feedback channel and the fluid's Coanda effect, so that the spatial uniformity of the fuel injection is improved; Therefore, without increasing the structural complexity of current afterburner of the turbo-engine and the combustion chamber of the subsonic combustion ramjet, the atomization performance and the uniformity of the oil-gas mixture in the afterburner/combustion chamber of the ramjet can be greatly improved, the combustion efficiency and combustion instability of the engine can be improved and meanwhile the length of the afterburner and the combustion chamber of the subsonic combustion ramjet is shortened.

Abstract: The present disclosure provides an afterburner structure with fuel injection nozzles. In the condition of a stable inlet flow, the present disclosure forms a sweeping oscillating jet with a certain frequency at the outlet under an alternate feedback action of a feedback channel and the fluid's Coanda effect, so that the spatial uniformity of the fuel injection is improved; Therefore, without increasing the structural complexity of current afterburner of the turbo-engine and the combustion chamber of the subsonic combustion ramjet, the atomization performance and the uniformity of the oil-gas mixture in the afterburner/combustion chamber of the ramjet can be greatly improved, the combustion efficiency and combustion instability of the engine can be improved and meanwhile the length of the afterburner and the combustion chamber of the subsonic combustion ramjet is shortened.

Abstract: A preparation of a homogeneous polysaccharide from a Radix Puerariae aqueous extract is provided and the lipid-lowering activity of the polysaccharide is studied. It is proved through in vivo experiments that the homogeneous polysaccharide QL extracted from Radix Puerariae (a genuine medicinal material in Jiangxi Province) in the present disclosure has significant lipid-lowering activity, can significantly reduce a serum triglyceride content and a liver index, and can be used to develop a potential safe and effective lipid-lowering drug.

Abstract: The present disclosure discloses a method, apparatus, and server for information recommendation. Search behavior data, browsing behavior data, and click behavior data on recommended content of a specified user in a forum are acquired. A preprocessing on the search behavior data, the browsing behavior data, and the click behavior data on recommended content is performed respectively to obtain a first recommendation result, a second recommendation result, and a third recommendation result. Distribution and integration on the first recommendation result, the second recommendation result, and the third recommendation result are performed according to weights to obtain recommended content to be recommended to the specified user. Search behavior data, browsing behavior data, and click behavior data on recommended content are taken into comprehensive consideration, data used in recommendation is enriched, and accuracy of recommendation is improved.

Abstract: The present disclosure provides a human-machine interactive method based on artificial intelligence and a human-machine interactive device based on artificial intelligence. The method includes: receiving a query from a user; processing the query based on a pre-generated model, and obtaining an answer with a human conversation style corresponding to the query, wherein the model is generated based on a human conversation corpus; and feeding back the answer to the user.

Abstract: In some embodiments, the present disclosure provides an algorithm for a data-driven intelligent adaptive model of an automobile cab based on a biometric identification technology. The algorithm includes the following steps: acquiring driving posture data, the driving posture data including driver information, automobile man-computer parameter information, and seat position information; building a feature extraction model of the driving posture data and screening feature vectors playing a significant role in predicting a seat position by the feature extraction model; building a prediction model of a comfortable seat position by a back propagation (BP) neural network and inputting the screened feature vectors to perform training on the prediction model; and inputting specific feature vectors to obtain the seat position information and accordingly adjust the seat position.

Abstract: A preparation of a homogeneous polysaccharide from a Radix Puerariae aqueous extract is provided and the lipid-lowering activity of the polysaccharide is studied. It is proved through in vivo experiments that the homogeneous polysaccharide QL extracted from Radix Puerariae (a genuine medicinal material in Jiangxi Province) in the present disclosure has significant lipid-lowering activity, can significantly reduce a serum triglyceride content and a liver index, and can be used to develop a potential safe and effective lipid-lowering drug.

Abstract: A method for aligning different portions of a conduit includes adjustably holding a first portion of a conduit in a first position, adjustably holding a second portion of a conduit in a second position relative to the first position of the first portion of the conduit, and inserting a bellows installation tool between the first portion of the conduit and the second portion of the conduit.

Abstract: A Chinese character Pinyin input method and apparatus are disclosed. The method includes displaying on a human-machine interaction interface (HMI) initial keys representing all initials and simple final keys representing all simple finals. The method further includes, in response to an operation with respect to a simple final, displaying on the HMI auxiliary keys corresponding to the simple final, wherein various combinations of the simple final and symbols represented by the auxiliary keys respectively form compound finals starting with the simple final. The disclosed method and apparatus are especially applicable to inputting Chinese characters on a smart device touchscreen.

Abstract: The present disclosure provides an elevator control method, apparatus, electronic device, storage medium and system, which relate to artificial intelligence technology. The method includes: obtaining a user instruction, where the user instruction is determined by a speech device based on a user's speech content; recognizing the user instruction and converting the user instruction into an elevator control instruction; and controlling an elevator via the elevator control instruction. The elevator control method provided by the present disclosure enables the user to control the elevator through the speech device without touching the elevator, and thereby reducing potential safety risk caused by multiple people touching the elevator.

Abstract: Finely divided, cationic, aqueous polymer dispersion which is obtainable by emulsion polymerisation of ethylenically unsaturated monomers in an aqueous liquid containing a cationic prepolymer as a dispersant, wherein the cationic prepolymer is prepared in the presence of at least one polymerisation initiator by polymerisation of (a) from 15 to 45% by weight of at least one ethylenically unsaturated monomer comprising at least one quaternary ammonium group; (b) from 5 to 80% by weight of at least one optionally substituted styrene; (c) from 0 to 50% by weight of at least one C 1-12 alkyl (meth) acrylate; (d) from 0 to 10% by weight of at least one ethylenically unsaturated monomer comprising an acid group; (e) from 0 to 10% by weight of at least one ethylenically unsaturated monomer comprising an amine group; and (f) from 0 to 20% by weight of at least one non-ionic ethylenically unsaturated monomer differing from (b), (c) and (e), the sum of (a)+(b)+(c)+(d)+(e)+(f) being 100% by weight, in a first emulsion po

Abstract: A method for aligning different portions of a conduit includes adjustably holding a first portion of a conduit in a first position, adjustably holding a second portion of a conduit in a second position relative to the first position of the first portion of the conduit, and inserting a bellows installation tool between the first portion of the conduit and the second portion of the conduit.

Abstract: A method for aligning different portions of a conduit includes adjustably holding a first portion of a conduit in a first position, adjustably holding a second portion of a conduit in a second position relative to the first position of the first portion of the conduit, and inserting a bellows installation tool between the first portion of the conduit and the second portion of the conduit.

Abstract: A method for aligning different portions of a conduit includes adjustably holding a first portion of a conduit in a first position, adjustably holding a second portion of a conduit in a second position relative to the first position of the first portion of the conduit, and inserting a bellows installation tool between the first portion of the conduit and the second portion of the conduit.

Abstract: An aircraft engine includes an outer casing, an inner casing, a first rotating shaft, a first fan, a second fan, a first combustor, and a second combustor. The outer casing has an outer intake end and an outer exhaust end. The inner casing includes a first section and a second section arranged in an axial direction. The first rotating shaft is rotatably disposed in the inner casing. The first fan includes an inner turbine portion, a first connection portion, and an outer turbine portion. The second fan is connected to the first rotating shaft and disposed on the outer intake end side of the first section wherein an outer diameter of the second fan is larger than that of the first section. The first combustor is disposed between the second fan and the outer turbine portion. The second combustor is disposed between the second fan and the inner turbine portion.

Abstract: A method for making integrated circuit (IC) packages includes providing a leadframe strip having a plurality of leadframe units and providing the leadframe strip to an operating station. The operating station is operable to perform one or more tests on the plurality of leadframe units in the making of IC packages. The method includes obtaining a database that has the locations of leadframe units in the leadframe strip stored in the database. The method also includes performing the one or more tests on the plurality of leadframe units and updating the database in response to the results of the testing.

Abstract: A method and apparatus for grouping communications between mobile communication devices. The method includes receiving, at a mobile communication device, one or more facility identifiers, each of the one or more facility identifiers associated with a facility. The method further includes storing the one or more facility identifiers in a memory; decoding, via an electronic processor, a group call having an initiation identifier; and comparing, via the electronic processor, the initiation identifier to the one or more facility identifiers. The method further includes joining, via the electronic processor, the group call based on the comparison between the initiation identifier and the one or more facility identifiers. The method may further include leaving, via the electronic processor, the group call.

Abstract: The present disclosure provides a human-machine interactive method based on artificial intelligence and a human-machine interactive device based on artificial intelligence. The method includes: receiving a query from a user; processing the query based on a pre-generated model, and obtaining an answer with a human conversation style corresponding to the query, wherein the model is generated based on a human conversation corpus; and feeding back the answer to the user.

Abstract: The present disclosure discloses a method, apparatus, and server for information recommendation. Search behavior data, browsing behavior data, and click behavior data on recommended content of a specified user in a forum are acquired. A preprocessing on the search behavior data, the browsing behavior data, and the click behavior data on recommended content is performed respectively to obtain a first recommendation result, a second recommendation result, and a third recommendation result. Distribution and integration on the first recommendation result, the second recommendation result, and the third recommendation result are performed according to weights to obtain recommended content to be recommended to the specified user. Search behavior data, browsing behavior data, and click behavior data on recommended content are taken into comprehensive consideration, data used in recommendation is enriched, and accuracy of recommendation is improved.

Abstract: The present disclosure discloses a method, apparatus, and server for information recommendation. Search behavior data, browsing behavior data, and click behavior data on recommended content of a specified user in a forum are acquired. A preprocessing on the search behavior data, the browsing behavior data, and the click behavior data on recommended content is performed respectively to obtain a first recommendation result, a second recommendation result, and a third recommendation result. Distribution and integration on the first recommendation result, the second recommendation result, and the third recommendation result are performed according to weights to obtain recommended content to be recommended to the specified user. Search behavior data, browsing behavior data, and click behavior data on recommended content are taken into comprehensive consideration, data used in recommendation is enriched, and accuracy of recommendation is improved.