Abstract: An air valve structure arranged on a base comprises an air plug and a state-switching component. The air plug is arranged in an air chamber in an axial direction. The air plug includes a closing state to close the air hole, and an opening state to open the air hole. The state-switching component comprises a driving member that links the air plug, a shape-memory alloy (SMA) wire connected with the driving member, and at least one conductive member connected with the SMA wire. The driving member exerts an acting force to the air plug based on a condition of electricity provided by the conductive member for the SMA wire. The direction of the acting force is non-parallel with the axial direction and the air plug is moved and changed between the closing state and the opening state by the acting force.

Abstract: A method includes: determining, by a first terminal device, a first resource, where the first resource includes one or more of a resource used by a second terminal device to transmit data, a resource reserved by the second terminal device to transmit data, a resource determined based on the resource used by the second terminal device to transmit data, and a resource determined based on the resource reserved by the second terminal device to transmit data; and skipping, by the first terminal device, using a second resource, or reselecting, by the first terminal device, a resource, if the first resource and the second resource overlap.

Abstract: Example methods and apparatus for transmitting ACK/NACK information for data are disclosed. One method includes sending a data packet from a base station to a user equipment. A control signaling is transmitted from the base station to the user equipment and is used to indicate a subframe to be used by the user equipment to send ACK/NACK information corresponding to the data packet.

Abstract: The present invention relates to a high-power five-cylinder drilling pump set, a solid control system and a drilling rig, which belongs to a technical field of oil drilling equipment. The high-power five-cylinder drilling pump set includes: a base, a drilling pump arranged on the base, and a lubricating system arranged on the base, wherein the drilling pump comprises a transmission assembly, a power end assembly and a hydraulic end assembly; the lubricating system comprises a power end lubricating system for lubricating and cooling the transmission assembly as well as the power end assembly, and a hydraulic end lubricating system for lubricating and cooling the hydraulic end assembly. According to the present invention, the high-power five-cylinder drilling pump set has a modular entire structure. In terms of the spatial layout, the present invention can effectively reduce the excessive size of conventional drilling pump or drilling pump structure.

Abstract: An air valve with a SMA wire for switching is located in an air chamber in which at least two air holes are formed. The air valve comprises a base, an air piston, a driving component, and the SMA wire. The base is provided with two supporting blocks, and two conduction components near one of the two supporting blocks. The air piston determines a ventilation state of one of the two air holes. The air piston comprises a rod body on the two supporting blocks and with a first triggering part, and a spring sleeved on the rod body. The driving component is sleeved on the rod body and with a second triggering part matched with the first triggering part. The SMA wire is connected with the two conduction components and the driving component, and is turned by the supporting block opposite to the two conduction components.

Abstract: Various embodiments disclose a method for operating a printer apparatus that includes a print head. The method includes causing a media hub to retract a media in a retract direction along a media path. Further, the method includes causing a first media sensor to generate a first signal during retraction of the media. Furthermore, the method includes monitoring the first signal to detect at least one of a leading edge or a trailing edge of a label of the plurality of labels. Upon detecting the at least one of the leading edge or the trailing edge of the label, causing the media hub to retract the media by at least a predetermined distance, wherein the predetermined distance is a distance between the print head and the first media sensor.

Abstract: A display substrate and a display apparatus are provided. The display substrate includes a base substrate, a first conductive layer, a second conductive layer and an insulation layer. The first conductive layer is on a side of the base substrate and includes a first conductive part extending in a first direction, the second conductive layer is on a side of the first conductive layer facing away from the base substrate, and the insulation layer is located between the first conductive layer and the second conductive layer. At least one first conductive part includes a first hollowed-out portion including a plurality of groove structures distributed in a second direction and extending in the first direction. The first direction and the second direction produce angles.

Abstract: The present disclosure discloses a method for execution of a computational graph in a neural network model and an apparatus thereof, including: creating task execution bodies on a native machine according to a physical computational graph compiled and generated by a deep learning framework, and designing a solution for allocating a plurality of idle memory blocks to each task execution body, so that the entire computational graph participates in deep learning training tasks of different batches of data in a pipelining and parallelizing manner.

Abstract: Examples of radio-frequency identification (RFID) printer antennae are provided. For example, an example RFID printer antenna includes a plurality of axial RFID printer antenna segments and a plurality of oblique RFID printer antenna segments. In some examples, the plurality of axial RFID printer antenna segments are in parallel arrangements with one another. In some examples, each of the plurality of oblique RFID printer antenna segments connects two of the plurality of axial RFID printer antenna segments at oblique angles.

Abstract: The present disclosure discloses a recombinant Escherichia coli for producing rosmarinic acid and application thereof, belonging to the technical fields of genetic engineering and bioengineering. In the present disclosure, FjTA derived from Flavobacterium johnsoniae, endogenous hpaBC derived from E. coli, CbRAS derived from Coleus blumei, HPPR derived from Coleus scutellarioides, and Pc4CL1 derived from Petroselinum crispum are heterologously expressed in E. coli, realizing synthesis of rosmarinic acid. TcTAL derived from Trichosporon cutaneum and tyrC for removing feedback inhibition are introduced, further increasing synthesis throughput of caffeic acid, and PmLAAD derived from Proteus myxofaciens is heterologously expressed, realizing redistribution of L-DOPA. An endogenous gene menl is knocked out, improving the content and stability of a rosmarinic acid precursor. The recombinant strain constructed in the present disclosure can produce rosmarinic acid by fermentation at a yield of up to 511.

Abstract: An air valve with a SMA wire for switching is located in an air chamber in which at least two air holes are formed. The air valve comprises a base, an air piston, a driving component, and the SMA wire. The base is provided with two supporting blocks, and two conduction components near one of the two supporting blocks. The air piston determines a ventilation state of one of the two air holes. The air piston comprises a rod body on the two supporting blocks and with a first triggering part, and a spring sleeved on the rod body. The driving component is sleeved on the rod body and with a second triggering part matched with the first triggering part. The SMA wire is connected with the two conduction components and the driving component, and is turned by the supporting block opposite to the two conduction components.

Abstract: An air valve structure arranged on a base comprises an air plug and a state-switching component. The air plug is arranged in an air chamber in an axial direction. The air plug includes a closing state to close the air hole, and an opening state to open the air hole. The state-switching component comprises a driving member that links the air plug, a shape-memory alloy (SMA) wire connected with the driving member, and at least one conductive member connected with the SMA wire. The driving member exerts an acting force to the air plug based on a condition of electricity provided by the conductive member for the SMA wire. The direction of the acting force is non-parallel with the axial direction and the air plug is moved and changed between the closing state and the opening state by the acting force.

Abstract: An air valve comprises a casing, a valve body driving assembly and a valve body. The casing comprises a chamber, a vent hole, and at least one switching hole communicating with the chamber. The valve body driving assembly is disposed in the chamber, and comprises a pusher, a shape memory metal wire in a linkage relationship with the pusher, and two conductive members disposed in the casing and located at two ends of the shape memory metal wire respectively, the pusher travels a uniaxial displacement stroke due to a temporary change of the shape memory metal wire. The valve body is disposed in the chamber and faces the switching hole, when the pusher travels the uniaxial displacement stroke, the valve body is driven to rotate a central angle relative to the switching hole to change a ventilation state between the switching hole and the chamber.

Abstract: Various embodiments disclose a method for operating a printer apparatus that includes a print head. The method includes causing a media hub to retract a media in a retract direction along a media path. Further, the method includes causing a first media sensor to generate a first signal during retraction of the media. Furthermore, the method includes monitoring the first signal to detect at least one of a leading edge or a trailing edge of a label of the plurality of labels. Upon detecting the at least one of the leading edge or the trailing edge of the label, causing the media hub to retract the media by at least a predetermined distance, wherein the predetermined distance is a distance between the print head and the first media sensor.

Abstract: Various embodiments disclose a method for operating a printer apparatus that includes a print head. The method includes causing a media hub to retract a media in a retract direction along a media path. Further, the method includes causing a first media sensor to generate a first signal during retraction of the media. Furthermore, the method includes monitoring the first signal to detect at least one of a leading edge or a trailing edge of a label of the plurality of labels. Upon detecting the at least one of the leading edge or the trailing edge of the label, causing the media hub to retract the media by at least a predetermined distance, wherein the predetermined distance is a distance between the print head and the first media sensor.

Abstract: Various embodiments disclose a method for operating a printer apparatus that includes a print head. The method includes causing a media hub to retract a media in a retract direction along a media path. Further, the method includes causing a first media sensor to generate a first signal during retraction of the media. Furthermore, the method includes monitoring the first signal to detect at least one of a leading edge or a trailing edge of a label of the plurality of labels. Upon detecting the at least one of the leading edge or the trailing edge of the label, causing the media hub to retract the media by at least a predetermined distance, wherein the predetermined distance is a distance between the print head and the first media sensor.

Abstract: Various embodiments disclose a method for operating a printer apparatus that includes a print head. The method includes causing a media hub to retract a media in a retract direction along a media path. Further, the method includes causing a first media sensor to generate a first signal during retraction of the media. Furthermore, the method includes monitoring the first signal to detect at least one of a leading edge or a trailing edge of a label of the plurality of labels. Upon detecting the at least one of the leading edge or the trailing edge of the label, causing the media hub to retract the media by at least a predetermined distance, wherein the predetermined distance is a distance between the print head and the first media sensor.