Abstract: This application describes examples of a rotor disk and a manufacturing method thereof, a rotor structure, a disk motor, and an electric vehicle. In one example, the rotor disk includes a rotor iron core. The rotor iron core is provided with a plurality of groups of accommodating cavities at intervals in a circumferential direction of the rotor iron core. Each group of accommodating cavities includes a first accommodating cavity and a second accommodating cavity. The first accommodating cavity and the second accommodating cavity are provided in a radial direction of the rotor iron core and are in communication with each other. The first accommodating cavity and the second accommodating cavity are configured to respectively accommodate a first unit portion and a second unit portion of a first magnet.

Abstract: An axial flux motor includes a motor shaft, a double-row angular contact ball bearing, and a stator. The double-row angular contact ball bearing is sleeved on the motor shaft and is fixedly connected to the motor shaft through a bearing inner ring of the double-row angular contact ball bearing. The stator is sleeved on the motor shaft through the double-row angular contact ball bearing, and the stator is fixedly connected to a bearing outer ring, so that the motor shaft can rotate relative to the stator. In this application, the double-row angular contact ball bearing is used in the axial motor, the double-row angular contact ball bearing can bear axial force generated through interaction between the stator and a rotor.

Abstract: Data transmitting/receiving apparatuses and methods and a communication system. The data transmitting method includes: in an inactive state, determining whether to maintain in the inactive state or enter an active state according to indication information of a network device or one or more parameters configured by the network device; and in the inactive state, transmitting data and/or a request message for entering the active state to the network device. Hence, data transmission may be performed in an appropriate state, without needing to restart connection at each time of data transmission; saved resources may be used for the data transmission, and time needed in performing identical data transmission may be reduced.

Abstract: The disclosure provides nucleic acids, and variants and fragments thereof, obtained from strains of Bacillus thuringiensis encoding polypeptides having pesticidal activity against insect pests, including Lepidopteran and Coleopteran. Particular embodiments of the disclosure provide isolated nucleic acids encoding pesticidal proteins, pesticidal compositions, DNA constructs, and transformed microorganisms and plants comprising a nucleic acid of the embodiments. These compositions find use in methods for controlling pests, especially plant pests.

Abstract: A direct tensile and acoustic testing machine under rock seepage includes a sample and a support frame. A top of the support frame is fixed with a top plate, a bearing plate is provided above the top plate, the bearing plate is provided with a plurality of vertical force transferring rods, the force transferring rods vertically penetrate through the top plate and sliding fit with the top plate, lower ends of the force transferring rods are provided with a tensile base, a top of the tensile base is provided with a lower clamp holder, a bottom of the top plate is provided with an upper clamp holder, and a clamp center of the upper clamp holder overlaps with a clamp center of the lower clamp holder. An acoustic component and a seepage component are provided in the upper clamp holder and the lower clamp holder.

Abstract: A rock direct tensile test platform suitable for all material test machines includes a support frame. A top of the support frame is fixed with a top plate, and a bearing plate is provided above the top plate. The bearing plate is provided with a plurality of vertical force transferring rods. The force transferring rods vertically penetrate through the top plate and have a sliding fit with the top plate. Lower ends of the force transferring rods are provided with a tensile base. A top of the tensile base is provided with a lower clamp holder. A bottom of the top plate is provided with an upper clamp holder, and a clamp center of the upper clamp holder coincides with a clamp center of the lower clamp holder.

Abstract: A train, comprising a train formation consisting of a head car, a power car and an intermediate car, end walls of the head car, power car and intermediate car having thereon oppositely disposed connectors 2 extending perpendicular to a direction of travel of the train; all connectors 2 on the end walls of the train are connected by means of wiring; the head car, power car and intermediate car connect electric power wiring of the whole train by means of the connectors when in any formation state; the train has disposed thereon two parallel power supply wires penetrating the entire train and multiple auxiliary power supply systems. The present invention can decrease different voltage standard conversion equipment of a multiple unit, lowering in-vehicle equipment costs.

Abstract: The present invention discloses a method for lowering an oil pipe in a gas well without well-killing, a soluble bridge plug and a material preparation method thereof, wherein, the method comprises the steps of: lowering a bridge plug in a wellbore such that the bridge plug blocks the wellbore at a predetermined location in the wellbore; injecting water in the wellbore after the pressure in the wellbore has been relieved so as to replace gases in the wellbore; and lowering an oil pipe in the wellbore to the location of the bridge plug. The method for lowering an oil pipe in a gas well without well-killing, the soluble bridge plug and the material preparation method thereof provided in the present invention successfully solve the problem of high cost for lowering an oil pipe under pressure after a fracturing fluid has been injected into the casing.

Abstract: A linear vibration motor having elastic pieces provided with vibration arms comprises housing, a mass block, and elastic pieces. The elastic pieces connect the mass block and the housing to provide an elastic force in Z axis direction such that the mass block performs a movement up and down. The elastic pieces are provided with two vibration arms, and the two vibration arms are symmetrical about the X axis when rotating 180 degrees around the X axis. The elastic pieces are S-shaped or inverted Z-shaped, or formed by the combination of two V-shaped vibration arms. The elastic pieces have two or four elastic pieces, and disposed on symmetrical two sides of the mass block.

Abstract: A train, comprising a train formation consisting of a head car, a power car and an intermediate car, end walls of the head car, power car and intermediate car having thereon oppositely disposed connectors 2 extending perpendicular to a direction of travel of the train; all connectors 2 on the end walls of the train are connected by means of wiring; the head car, power car and intermediate car connect electric power wiring of the whole train by means of the connectors when in any formation state; the train has disposed thereon two parallel power supply wires penetrating the entire train and multiple auxiliary power supply systems. The present invention can decrease different voltage standard conversion equipment of a multiple unit, lowering in-vehicle equipment costs.

Abstract: A linear vibration motor comprises housing, a mass block, and elastic pieces. The elastic pieces connect the mass block and the housing to provide an elastic force in Z axis direction such that the mass block performs a movement up and down. The elastic pieces are provided with two vibration arms, and the two vibration arms are symmetrical about the X axis when rotating 180 degrees around the X axis. The elastic pieces are S-shaped or inverted Z-shaped, or formed by the combination of two V-shaped vibration arms. The elastic pieces have two or four elastic pieces, and disposed on symmetrical two sides of the mass block.

Abstract: The present invention discloses a method for lowering an oil pipe in a gas well without well-killing, a soluble bridge plug and a material preparation method thereof, wherein, the method comprises the steps of: lowering a bridge plug in a wellbore such that the bridge plug blocks the wellbore at a predetermined location in the wellbore; injecting water in the wellbore after the pressure in the wellbore has been relieved so as to replace gases in the wellbore; and lowering an oil pipe in the wellbore to the location of the bridge plug. The method for lowering an oil pipe in a gas well without well-killing, the soluble bridge plug and the material preparation method thereof provided in the present invention successfully solve the problem of high cost for lowering an oil pipe under pressure after a fracturing fluid has been injected into the casing.

Abstract: A loudspeaker module comprising a module casing. A loudspeaker unit body (30) is accommodated within the module casing. The loudspeaker unit body (30) comprises a unit body front cover (32) and a unit body casing (34) which are combined with each other. A vibration system and a magnetic circuit system are accommodated within a space enclosed by the unit body front cover (32) and the unit body casing (34). A plurality of positioning columns (340) are arranged outside sidewalls of the unit body casing (34). Each of the positioning columns (340) protrudes out of the surface of the sidewall of the unit body casing (34), and extends from the upper end of the unit body casing (34) to the lower end of the unit body casing (34) along the sidewall of the unit body casing (34). Positioning bosses (22) are individually arranged at positions on the module casing corresponding to the positioning columns (340).

Abstract: The present invention relates to a nucleic acid aptamer molecule that includes a domain that binds to an estrogen receptor, molecular complexes that include the nucleic acid aptamer molecule and an estrogen receptor, and constructed DMA molecules and expression systems, as well as host cells, that the contain an RNA aptamer molecule of the invention. Use of these aptamers and encoding constructs to inhibiting estrogen receptor activity in a cell and to treat estrogen receptor-positive cancers is also described.

Abstract: Disclosed is a loudspeaker module applied inside a terminal, wherein, the terminal comprises a terminal housing, and the loudspeaker module is fixed inside the terminal. The loudspeaker module comprises a loudspeaker unit and a module housing for accommodating and fixing the loudspeaker unit. A closed space formed by the loudspeaker unit, an outer wall of the module housing, and the terminal housing is a rear sound cavity. By means of the loudspeaker module provided in the present invention, the usable space inside the terminal can be converted into the rear sound cavity, so that the space of the rear sound cavity is enlarged, and the acoustic performance of the loudspeaker module can be effectively improved. Therefore, the present invention makes full use of the inside space of the terminal to realize the thinning of the loudspeaker module without changing the inside space of the terminal, and achieves good acoustic performance.

Abstract: Disclosed is a vibration sound-producing apparatus. A sound output aperture of the vibration sound-producing apparatus is provided at a lateral surface. A diaphragm corresponds to the position of the sound output aperture. A flat sound coil is perpendicular to the diaphragm. A magnet is parallel to the sound coil. The vibrating direction of the sound coil avoids a thickness direction. The vibrating direction of the magnet and a mass block also avoids the thickness direction. The mass block is fixedly joined to a housing via a flexible piece. This facilitates reduced product thickness, increased product performance, and a simplified product production process. Therefore, the vibration sound-producing apparatus of the present invention has the advantages of a great thickness-reduced design, great performance, and simple assembly.

Abstract: Disclosed is a vibration sound-producing apparatus. A sound output aperture of the vibration sound-producing apparatus is provided at a lateral surface. A diaphragm corresponds to the position of the sound output aperture. A flat sound coil is perpendicular to the diaphragm. A magnet is parallel to the sound coil. The vibrating direction of the sound coil avoids a thickness direction. The vibrating direction of the magnet and a mass block also avoids the thickness direction. The mass block is fixedly joined to a housing via a flexible piece. This facilitates reduced product thickness, increased product performance, and a simplified product production process. Therefore, the vibration sound-producing apparatus of the present invention has the advantages of a great thickness-reduced design, great performance, and simple assembly.

Abstract: The present invention relates to the technical field of electro-acoustic products. Provided is a loudspeaker module, comprising a first cover (10) and a second cover (20) combined together; the first cover (10) and the second cover (20) enclose an inner cavity of the module; the inner cavity of the module houses a loudspeaker unit (30) therein; the loudspeaker module further comprises a fastener assembly used to fasten to a fixed structure of an electronic device and thus fix the loudspeaker module to the electronic device. The loudspeaker module solves the technical problem in the prior art of insecure engagement between a loudspeaker module and an electronic device. The loudspeaker module is securely engaged with the electronic device and is easy to install, thus effectively extending the service life of the electronic device installed with the loudspeaker module.

Abstract: Disclosed is a loudspeaker module applied inside a terminal, wherein, the terminal comprises a terminal housing, and the loudspeaker module is fixed inside the terminal. The loudspeaker module comprises a loudspeaker unit and a module housing for accommodating and fixing the loudspeaker unit. A closed space formed by the loudspeaker unit, an outer wall of the module housing, and the terminal housing is a rear sound cavity. By means of the loudspeaker module provided in the present invention, the usable space inside the terminal can be converted into the rear sound cavity, so that the space of the rear sound cavity is enlarged, and the acoustic performance of the loudspeaker module can be effectively improved. Therefore, the present invention makes full use of the inside space of the terminal to realize the thinning of the loudspeaker module without changing the inside space of the terminal, and achieves good acoustic performance.

Abstract: Disclosed is a loudspeaker module applied inside a terminal, wherein, the terminal comprises a terminal housing, and the loudspeaker module is fixed inside the terminal. The loudspeaker module comprises a loudspeaker unit and a module housing for accommodating and fixing the loudspeaker unit. A closed space formed by the loudspeaker unit, an outer wall of the module housing, and the terminal housing is a rear sound cavity. By means of the loudspeaker module provided in the present invention, the usable space inside the terminal can be converted into the rear sound cavity, so that the space of the rear sound cavity is enlarged, and the acoustic performance of the loudspeaker module can be effectively improved. Therefore, the present invention makes full use of the inside space of the terminal to realize the thinning of the loudspeaker module without changing the inside space of the terminal, and achieves good acoustic performance.