Abstract: A catalyst-free electrochemical deuteration method using deuterium oxide as a deuterium source, adding an electrolyte, an organic compound containing an ethylenic bond or acetylenic bond, deuterium oxide, and an organic solvent into a reactor, applying a direct current voltage of 4-8 V between electrodes of a carbon felt in an atmosphere of an inert gas for an electrolytic reaction, to obtain a product, and purifying the product to obtain a deuterated product. In the method provided by the present disclosure, with the organic compound containing an ethylenic bond or acetylenic bond as a raw material, deuterium oxide as a deuterium source, cheap and readily available carbon electrode materials as cathodes and anodes, it is possible to obtain deuterated products by a direct current electrolysis in an organic solvent, without any transition metal catalysts.

Abstract: Methods, systems, and devices related to related to digital wireless communication, and more specifically, to techniques related to pre-configure dedicated resources for data transmission. In one exemplary aspect, a method for wireless communication includes receiving a pre-configured transmission resource request from a terminal. The method also includes configuring a pre-configured transmission resource based on the pre-configured transmission resource request. In another exemplary embodiment, a method for wireless communication includes receiving a pre-configured transmission resource request from a terminal, wherein the pre-configured transmission resource request includes a medium access control (MAC) control element. The method also includes configuring a pre-configured transmission resource based on the pre-configured transmission resource request.

Abstract: A method for forming a memory device includes: providing a substrate including at least word line structures and active regions, and a bottom dielectric layer and bit line contact layers that are on a top surface of the substrate; part of the bit line contact layers are etched to form bit line contact layers at different heights; conducting layers are formed, top surfaces of the conducting layers being at different heights in a direction perpendicular to an extension direction of the word line structure, and the top surfaces of the conducting layers being at different heights in the extension direction of the word line structure; top dielectric layers are formed; and etching is performed to form separate bit line structures.

Abstract: Provided is a method for obtaining a network system resource configuration. The method includes that: a terminal receives a non-anchor carrier configuration broadcast by a network device, and the terminal determines, according to the non-anchor carrier configuration, resource information for performing random access or monitoring pages with the network device. The non-anchor carrier configuration includes any one of or any combination of: a non-anchor carrier frequency point list, a non-anchor carrier configuration parameter list, an uplink non-anchor carrier frequency point list, an uplink non-anchor carrier configuration parameter list, a downlink non-anchor carrier frequency point list and a downlink non-anchor carrier configuration parameter list.

Abstract: A medical hearing-aid earphone includes a housing, and a battery assembly and a circuit board assembly located in the housing, where the housing is internally provided with a sound cavity, and the medical hearing-aid earphone further includes a speaker assembly located in the housing and a holder sleeved outside the speaker assembly. The holder and the speaker assembly divide the sound cavity into a front sound cavity and a rear sound cavity, where a relative position of the speaker assembly in the holder is adjustable during assembling. The medical hearing-aid earphone is convenient to adjust space sizes of a front sound cavity and a rear sound cavity, so that the medical hearing-aid earphone can be customized according to requirements of different users and has a larger application range.

Abstract: There is provided an array substrate, a manufacturing method therefor, a display panel, and a display device. The array substrate includes: a base substrate, and a gate metal pattern, a gate insulating layer and a source-drain metal pattern which are sequentially disposed on the base substrate. The gate metal pattern includes a signal line and a gate electrode, the signal line is in the peripheral area, the gate insulating layer is provided with a first via hole penetrating the gate insulating layer, the orthogonal projection of the first via hole on the base substrate and the orthogonal projection of the signal line on the base substrate have an overlapping area, the source-drain metal pattern includes a source-drain electrode wire, and the source-drain electrode wire is electrically connected to the signal line through the first via hole. The present disclosure achieves the function of protecting the signal line.

Abstract: Methods, systems, and devices related to related to digital wireless communication, and more specifically, to techniques related to transmitting pre-configured dedicates resources for data transmission. In one exemplary aspect, a method for wireless communication includes transmitting a pre-configured transmission resource information indicating a time domain location to a core network node. The method also includes receiving transmission data from the core network node at the time domain location indicated in the pre-configured transmission resource information. In another exemplary aspect, a method for wireless communication includes connecting a communication node to a core network node. The method also includes receiving transmission data including a pre-configured transmission resource information at a time domain location from the core network node.

Abstract: A low-frequency ultrasonic atomizing device includes a piezoelectric vibrator, a horn, a secondary atomizing chamber, a gas-liquid valve end cover, a Laval-type valve core, a stepped valve core, and a gas-liquid valve body. The piezoelectric vibrator is glued onto the horn, and the gas-liquid valve end cap is connected to the gas-liquid valve body by a thread, while both the stepped valve core and the Laval-type valve core are installed within a cylindrical cavity of the valve body, an end of the Laval-type valve core being sleeved at an end of the stepped valve core. The horn and the secondary atomizing chamber, the secondary atomizing chamber and the gas-liquid valve end cover are connected by a double-head stud and a nut. The device achieves multi-stage atomization of droplets, which increases the atomization quantity of a spray device, the droplets being small, and also achieves long distance spraying.

Abstract: Disclosed are a data transmission method, apparatus and system. A first paging message carries first indication information related to random access, so that a base station can complete identification of a terminal when the base station receives a preamble sent by the terminal, and downlink data to be transmitted may be carried in a second signaling flow. Meanwhile, second indication information indicating whether the transmission of the downlink data is completed may also be carried so that the terminal enters a radio resource control (RRC) suspension state. Finally, power consumption, a latency and resource overhead of the terminal are effectively reduced.

Abstract: The present disclosure relates to a mask sheet. The mask sheet includes a plurality of mask units. Each mask unit includes an evaporation effective area and a plurality of welding areas that are distributed around the evaporation effective area according to a preset rule. The distribution of the welding areas around the evaporation effective areas of the mask units at the edge of the mask sheet is consistent with the distribution of the welding areas around the evaporation effective areas of the mask units located in the inner region of the mask sheet.

Abstract: An approach is provided in which a set of provision information is generated from a set of provisioners that are in process of fulfilling a client's provision request. The approach creates a set of provision events based on the set of provision information and, in response to detecting a failure of the provision request, the approach generates a provision chain from the set of provision events. The provision chain links the set of provision events based on correlation rules and identifies at least one isolation point of the failure. The approach informs the client of the at least one isolation point of the failure identified in the provision chain.

Abstract: Disclosed are a cell processing method, apparatus and system. The cell processing method includes: a first communication node sends multiple neighbor cell lists; where the neighbor cell lists includes: a neighbor cell list of neighbor cells connected to a first core network and at least one neighbor cell list of neighbor cells connected to only a second core network; or a neighbor cell list of neighbor cells connected to only the first core network, a neighbor cell list of neighbor cells connected to both the first core network and the second core network, and at least one neighbor cell list of neighbor cells connected to only the second core network.

Abstract: Provided are a method and apparatus for determining trajectory, and a method, apparatus and system for recommending time. The method includes obtaining trajectory information of multiple trajectory points of a first object, the trajectory information including the geographic location of the trajectory point and the time when the first object is located at the trajectory point; clustering the trajectory points according to the geographic location of each trajectory point to obtain multiple regions not overlapped with each other; determining the time corresponding to each region according to the time of at least one trajectory point in each region; arranging the regions according to the time corresponding to each region to obtain a regional motion trajectory of the first object; and determining a frequent trajectory of the first object based on multiple regional motion trajectories, the frequent trajectory including a frequent region and a corresponding frequent time period.

Abstract: Methods, systems, and devices for measurement reporting for network maintenance are described. An exemplary method for wireless communication includes transmitting, to a network device and based on a trigger, a maintenance message comprising measurement records associated with at least one of a data transmission on a pre-configured resource during idle mode, a master information block (MIB) acquisition duration or a system information block (SIB) acquisition duration, or a performance of a multicast service reception, where the trigger is based on a periodic reporting schedule, an occurrence of an event, or an establishment of a wireless communication with the network device. In another exemplary method, the measurement records associated with at least one of a mobility of the terminal, a random access channel (RACH) performance or a radio link failure (RLF).

Abstract: Provided are a data transmission method and device, a base station, a terminal and a readable storage medium. A paging message is sent to the terminal, where the paging message carries a cell radio network temporary identifier (C-RNTI). Then, downlink data is transmitted according to the C-RNTI. In this way, the transmission of the downlink data is indicated by directly carrying the C-RNTI in the paging message.

Abstract: One or more devices, systems, and/or methods for monitoring a search space are provided. For example, a node may operate in a first state. A configuration corresponding to a second state may be determined, based upon the first state. A search space may be monitored based upon the configuration. In another example, a second configuration corresponding to a semi-persistent scheduling (SPS) resource may be determined based upon a message. A second search space may be monitored based upon the second configuration.

Abstract: Methods, systems, and devices for operation in a data transmission state in an idle mode using pre-configured dedicated resources are described. An exemplary method for wireless communication includes transmitting a first message comprising an indication of pre-configured dedicated resources for a communication between the network device and a terminal, and receiving a second message over the pre-configured dedicated resources, where a transmission of the second message by the terminal causes the terminal to switch from an idle state to a data transmission state in an idle mode. Another exemplary methods for wireless communication includes receiving a first message comprising an indication of pre-configured dedicated resources for a communication between a network device and the terminal, and switching from an idle state to a data transmission state in an idle mode upon transmitting a second message over the pre-configured dedicated resources.

Abstract: A method and apparatus for synchronization in sidelink communications is disclosed. In one embodiment, a method for performing sidelink communications, the method includes: receiving a first message by the wireless communication device from a wireless communication node, wherein the first message comprises configuration information of at least one common resource; transmitting a second message to the wireless communication node on the at least one common resource and starting a first timer, wherein the second message comprises a first identification of the wireless communication device; after the transmitting, monitoring a common physical control channel corresponding to the second message; and receiving a third message on the common physical control channel from the wireless communication node on the at least one common resource before an expiration of the first timer.

Abstract: Methods, systems, and devices for providing pre-configured dedicated resources for communications during the RRC (radio resource control) idle state, thereby enabling significant energy savings during the communication of small data packets, are described. One exemplary method for wireless communication includes transmitting a first message comprising an indication of pre-configured terminal-specific dedicated resources for a communication between the network device and a terminal, and receiving information from the terminal over the pre-configured terminal-specific dedicated resources, wherein the terminal is in an idle mode and is without an established RRC connection.

Abstract: The disclosure relates to a biaxial hinge mechanism including a positioning plate, a first main shaft, a second main shaft, a cam, and a linkage assembly. The positioning plate has a first through hole and a second through hole. The first main shaft is movably disposed through the first through hole. The second main shaft is rotatably disposed through the second through hole. The cam is fixed on the second main shaft. The linkage assembly is connected to the first main shaft and movable with the cam. When the second main shaft is rotated in a specific direction, the cam pushes the linkage assembly to force the first main shaft to move away from the second through hole so as to increase an axis distance between the first main shaft and the second main shaft. In addition, the disclosure relates to an electronic device having the biaxial hinge mechanism.