Abstract: An assembly for balancing torsion forces within a long stroke oil pumping rig's roller trolley, the assembly incorporating an axle having forward and rearward ends, wherein the roller trolley is mounted rotatably upon the axle's forward end; a knuckle fixedly attached to the rearward end of the axle, the knuckle incorporating forward and rearward “C” brackets; a forward chain drive assembly, the knuckle's forward “C” bracket operatively engaging the forward chain drive assembly; a lever arm fixedly attached to and extending rearwardly from the knuckle's forward “C” bracket, wherein the lever arm is fixedly attached to or formed wholly with the knuckle's forward “C” bracket; and a rearward chain drive assembly operatively engaged by the knuckle's rearward “C” bracket.

Abstract: This disclosure generally relates to power generation methods and systems based on gas turbine engines, and particularly to mobile and adaptive power generation systems and methods based on gas turbine engine for supplying mechanical and/or electrical power for fracturing operations at an oil wellsite. Various systems, platforms, components, devices, and methods are provided for flexibly and adaptively configure one of more gas turbines, hydraulic pumps, and electric generators to support both fracturing and electric demands at a well site. The disclosed implementations enable and facilitate a mobile, adaptive, and reconfigurable power system to provide both mechanical and electric power for hydraulic fracturing operation.

Abstract: The present disclosure provides an RF catheter, including: a catheter body; and at least one heating unit and at least one electrode fixedly coupled to the catheter body. The at least one heating unit is configured to perform ablation on a target tissue in a superficial vein, the at least one electrode is configured to perform ablation on a target issue in a perforating vein, each of the heating unit and the electrode is in a corresponding target operating mode in accordance with an operating mode command for the RF catheter, and the target operating modes include a first operating mode where the electrode operates, a second operating mode where at least two heating units operate, and a third operating mode where merely one heating unit operates.

Abstract: Disclosed is a gas fuel supply system including a main fuel inlet, a pressure regulating valve, a pneumatically controlled shutoff bleeder valve and a main fuel outlet that are connected through pipes. The pneumatically controlled shutoff bleeder valve includes a pneumatic control valve and a shutoff bleeder valve. The shutoff bleeder valve is configured to open or close a gas fuel delivery passage from the main fuel inlet to the main fuel outlet, or configured to discharge the gas fuel in the pipe. The pneumatic control valve is configured to control the shutoff bleeder valve to be in a desired state. The gas fuel supply system does not need connection to an additional gas source, and the gas supply stability is improved.

Abstract: Provided are a method for multimedia recommendation and an apparatus thereof. The method for multimedia recommendation includes: obtaining first user data of a user wearing a wearable device that is collected by the wearable device; obtaining second user data of the user, where the second user data includes at least one of attribute data of the user or multimedia preference data of the user; obtaining scenario data corresponding to a current multimedia usage scenario; determining a target multimedia item from a plurality of candidate multimedia items based on the first user data, the second user data and the scenario data; and recommending the target multimedia item to the user.

Abstract: Provided is a method comprising obtaining information about a detected memory error in a memory device, the memory device being connected to a first host via a compute express link, CXL, interface. The method comprises further recording the memory error information into a firmware of the memory device.

Abstract: A histology system includes a microtome configured to produce a tissue section from a tissue block, where the tissue section includes a tissue sample, a transfer system including a transfer medium to transfer the tissue section to a slide, and a vision system. The vision system includes an illumination system configured to illuminate the tissue section on the transfer medium and an imaging system configured to create imaging data of the tissue section on the transfer medium illuminated by the illumination system. The histology system further includes a processor to receive the imaging data and perform one or more quality control analysis based on the imaging data, where the one or more analysis includes a comparative analysis of the tissue section on the transfer medium with at least one of the tissue section on the tissue block or the tissue section on the slide.

Abstract: A cutting apparatus includes: a pair of cutting blades; a drive mechanism configured to drive the pair of cutting blades to close or open with respect to each other in a first direction; and a gap adjustment mechanism configured to drive at least one of the pair of cutting blades to move along a second direction before the drive mechanism drives the pair of cutting blades to open, so as to enlarge a movement gap between the pair of cutting blades; where the first direction intersects with the second direction.

Abstract: This application relates to a protective apparatus. The protective apparatus is configured to protect a to-be-welded part, the to-be-welded part includes a welding region, and the protective apparatus includes a base and a protective mechanism. The base is configured for embedding the to-be-welded part. The protective mechanism is connected to the base. The protective mechanism includes a welding hole, where the welding hole is provided corresponding to the welding region; and a surface of the protective mechanism facing the welding hole is provided with a thermally conductive coating, where the thermally conductive coating is configured to guide substances formed in welding the to-be-welded part to slide down along the surface of the thermally conductive coating. The protective apparatus in this application can improve welding quality of the welding region, thereby enhancing performance of the to-be-welded part.

Abstract: An electrode plate conveying mechanism includes: a first conveying roller used for conveying an electrode plate; and a negative pressure supply unit arranged on at least one end of the first conveying roller, spaced apart from the first conveying roller in an axial direction of the first conveying roller, and used for forming a negative pressure around a tab of the electrode plate so as to prevent the tab from being folded.

Abstract: An automatic case separating apparatus includes a feeding mechanism configured to receive and deliver a plurality of cases after unpacked, a delivery mechanism configured to receive and deliver the cases output by the feeding mechanism, and a combing mechanism configured to comb and separate at least two overlapping cases on the delivery mechanism, so that the cases are separated from each other. The plurality of cases maintain a first state before unpacked. When the feeding mechanism delivers the cases to the delivery mechanism, the cases are in a second state on the delivery mechanism.

Abstract: An electric jet tank includes a cylindrical housing, the housing is provided with an air inlet hole, a miniature air pump is installed in the housing, an air outlet of the miniature air pump is arranged on a top surface of the miniature air pump, the top surface of the miniature air pump is provided with a pressing switch; the pressing switch includes two ends which are accessible or separable, one of which is a sleeve sleeved to an outside of the air outlet and fixedly arranged on the top surface, and the other end is a pressing portion arranged on a top of the sleeve, an elastic member is arranged between the pressing portion and the top surface; the sleeve and the pressing portion are electrically conductive. The present disclosure has the characteristics of simple structure, small size, portability, and convenient to use.

Abstract: An air supply device, a gas turbine system and a using method thereof are disclosed. In the air supply device, an air intake compartment includes a connection end; a combustion air intake filter is located in the air intake compartment and connected with the combustion air intake filter; a combustion air intake interface is located on a tail plate and is connected with the combustion air silencer; and a sound insulation turnover mechanism includes a sound insulation flap and a turnover mechanism, the air intake compartment includes a first bottom plate and the tail plate that is located at the connection end, the sound insulation flap is located at the connection end, and the turnover mechanism is connected with the sound insulation flap, and is configured to drive the sound insulation flap to rotate relative to the tail plate.

Abstract: There is provided an automated system for preparing tissue samples that comprises one or more microtomes, a hydration system, and a processor, the processor being programmed to initiate facing, by one or more microtomes, of a first tissue block comprising a first tissue sample embedded in an embedding material, and cause the first tissue block to be hydrated by the hydration system for a first predetermined time, and initiate facing, by one or more microtomes, of a second tissue block while the first tissue block is being hydrated, the second tissue block comprising a second tissue sample embedded in an embedding material, and cause the second tissue block to be hydrated by the hydration system for a second predetermined time, and to initiate the one or more microtomes to begin sectioning of the first tissue block while the second tissue block is being hydrated.

Abstract: This disclosure generally relates to power generation methods and systems based on gas turbine engines, and particularly to mobile and adaptive power generation systems and methods based on gas turbine engine for supplying mechanical and/or electrical power for fracturing operations at an oil wellsite. Various systems, platforms, components, devices, and methods are provided for flexibly and adaptively configure one of more gas turbines, hydraulic pumps, and electric generators to support both fracturing and electric demands at a well site. The disclosed implementations enable and facilitate a mobile, adaptive, and reconfigurable power system to provide both mechanical and electric power for hydraulic fracturing operation, which is convenient to set up for operation and for transport.

Abstract: A semiconductor package having various thermal dissipation features to dissipate heat. The semiconductor package may include an integrated circuit and a non-volatile storage device. Vias may be formed in the substrate and filled with a thermal conductive material. A pyrolytic graphite sheet overlays a top surface of the substrate and the vias. The pyrolytic graphite sheet defines one or more openings that enable the integrated circuit and the non-volatile storage device to be coupled to the top surface of the substrate. The integrated circuit is covered by another thermal conductive material such as a copper or silver paste. The copper or silver paste also covers a sidewall of the pyrolytic graphite sheet. The semiconductor package is enclosed by molding material and a metal layer. The pyrolytic graphite sheet connects the metal layer and the thermal conductive material overlaying the integrated circuit to form various thermal dissipation paths.

Abstract: Disclosed are a dedusting apparatus, a battery manufacturing device, and a dedusting method. The dedusting apparatus is used for removing dust on the surface of a material belt, and includes a dust suction mechanism and a magnetic mechanism, wherein the magnetic mechanism is arranged opposite to the dust suction mechanism at an interval to form a gap for the material belt to pass through, and the magnetic mechanism is used for generating an alternating magnetic field. By arranging the magnetic mechanism and the dust suction mechanism opposite to each other on both sides of the material belt in the thickness direction, when the material belt passes through the gap between the magnetic mechanism and the dust suction mechanism, metal dust passing through the gap along with the material belt is affected by the alternating magnetic field and induced to form an eddy current.

Abstract: Examples relate to a concept for providing access to remote memory. A network interface controller apparatus comprises circuitry configured to obtain a memory transaction request with respect to memory of a first host hosting the network interface controller apparatus from a second host. The circuitry is configured to translate the memory transaction request to a cache transaction request. The circuitry is configured to provide the cache transaction request to the first host. The circuitry is configured to obtain a response to the cache transaction request from the first host. The circuitry is configured to provide information on the response to the cache transaction request to the second host.