Abstract: Hydrogeological drilling-type detection equipment includes a detection support frame, where the detection support frame is fixedly connected with a detection box body with a through hole, the through hole is communicated with an inside of the detection box body, a drilling box body is arranged inside the through hole, a lifting assembly is arranged inside the detection box body, the drilling box body is slidably connected with the through hole through the lifting assembly, a bottom end of the drilling box body is provided with a multifunctional drilling assembly provided with a blocking assembly, each of four corners of a bottom end of the detection support frame is provided with a moving wheel, the detection support frame is provided with a stable support assembly, the stable support assembly is correspondingly arranged with the moving wheel, and one side of the detection support frame is fixedly connected with an armrest.

Abstract: The application belongs to the technical field of LED display screens, and particularly relates to an outdoor LED display. The Outdoor LED display comprises a box body, a display module and a plurality of control assemblies; the display module comprises a plurality of sub-modules, and each sub-module is provided with a control assembly; the box body comprises a frame and a panel installed on the frame, and the display module is connected at one end of the frame away from the panel; the panel, the frame, and the display module form an installation space for installing the control assembly. In this application, each sub-module is installed with a corresponding control assembly, and the control assembly can control the corresponding sub-module to display, thereby enhancing the display effect of the outdoor LED display.

Abstract: A data transmission method, apparatus, and device, and a computer storage medium are provided. The method includes: obtaining an application packet of a target application; transmitting the application packet to a first routing device by using a network data channel, and transmitting, by using the first routing device, the application packet to a proxy server; meanwhile, transmitting the same application packet to a second routing device by using a short-range wireless data channel different from the network data channel, and transmitting, by using the second routing device, the application packet to the proxy server. The proxy server performs, a deduplication mechanism on the application packet and transmit the application packet to an application server corresponding to the target application.

Abstract: A frequency-tunable film bulk acoustic resonator and a preparation method therefor are provided. The resonator includes a substrate, an air gap, a sandwiched structure formed by electrodes and piezoelectric layers, and an electrode lead-out layer, wherein the substrate is connected to the sandwiched structure formed by the electrodes and the piezoelectric layers, and a connection face of the substrate and the sandwiched structure formed by the electrodes and the piezoelectric layers is recessed towards inside of the substrate to form the air gap; and the electrode lead-out layer is connected to the sandwiched structure formed by the electrodes and the piezoelectric layers. The sandwiched structure formed by the electrodes and the piezoelectric layers includes a bottom electrode, piezoelectric layers, intermediate electrodes, and a top electrode, wherein the electrodes and the piezoelectric layers are alternately arranged to form the sandwiched structure.

Abstract: The invention provides a reaction system for preparing butyraldehyde by propylene carbonylation, comprising: a reactor; a side wall of the reactor is sequentially provided with a catalyst inlet, a propylene inlet and a synthesis gas inlet from top to bottom; the bottom of the reactor is provided with a solvent inlet; two micro-interface generators are arranged inside of the reactor from top to bottom, and the micro-interface generator located at a top end is connected to the propylene inlet to break the propylene gas into micron-scale micro-bubbles; the micro-interface generator located at a bottom is connected to the synthesis gas inlet for breaking the synthesis gas into micron-scale micro-bubbles; the outlets of the two micro-interface generators are opposite, and the outlets are connected with a gas distributor for evenly distributing raw materials.

Abstract: The present invention discloses compounds of Formula (I), and pharmaceutically acceptable salts, thereof: which inhibit coronavirus replication activity. The invention further relates to pharmaceutical compositions comprising a compound of Formula (I) or a pharmaceutically acceptable salt thereof, and methods of treating or preventing a coronavirus infection in a subject in need thereof, comprising administering to the subject a therapeutically effective amount of a compound of Formula (I) or a pharmaceutically acceptable salt thereof.

Abstract: A coring and sampling integrated sub, including an integrally formed base body, a probe module, a coring module and a hydraulic module. The probe module, the coring module and the hydraulic module are all mounted on the base body. The hydraulic module, the probe module and the coring module are sequentially arranged from top to bottom. An output end of the hydraulic module is configured to be connected to the probe module and the coring module, respectively. The hydraulic module is configured to provide telescopic power for the probe module, and provide power for movement, flipping, and pushing of the coring module. Also disclosed is a downhole instrument including the coring and sampling integrated sub.

Abstract: A method performed by a computing device of establishing a secret shared between a first communications device and at least one second communications device is provided. The method comprises acquiring, using a first means of communication with the first communications device, a first data representation from which the shared secret can be derived. The method further comprises generating a second data representation from the first data representation, from which second data representation the shared secret can be derived. Moreover, the method comprises providing, using a second means of communication, the second communications device with the second data representation, the first means of communication being different from the second means of communication.

Abstract: A method performed by a computing device of establishing a secret shared between a first communications device and at least one second communications device is provided. The method comprises acquiring, using a first means of communication with the first communications device, a first data representation from which the shared secret can be derived. The method further comprises generating a second data representation from the first data representation, from which second data representation the shared secret can be derived. Moreover, the method comprises providing, using a second means of communication, the second communications device with the second data representation, the first means of communication being different from the second means of communication.

Abstract: The illuminated push-button switch device includes a shell-portion enclosing a switch element and a light source and having one or more opening-portions protruding from an upper surface of the shell-portion; a button-portion provided to cover the opening-portions, the button-portion being vertically movable along the opening-portions; and a panel-portion surrounding an outside of the button-portion and provided on the upper surface of the shell-portion, wherein gap is provided between the panel-portion and the button-portion in a top view, wherein the upper surface of the shell-portion extends along a plane perpendicular to a vertical movement direction of the button-portion, and a slope-portion at a predetermined angle with respect to the upper surface is formed on a portion of the upper surface situated under the gap, and wherein a height of the slope-portion along the vertical movement direction gradually decreases from a button-portion side to a panel portion side.

Abstract: An inter-node privacy communication method, including a network node processing a data packet according to the role of the network node in a communication path of privacy communication; if the node is a communication source node, acquiring, according to node identities in an identity quadruple, a key for encryption, and encrypting and sending the data packet; if the node is the first switch device or the last switch device, and an end-to-end privacy communication policy is valid, directly forwarding the data packet, and if the policy is invalid, acquiring a key for decryption, and receiving and decrypting the data packet, and acquiring, a key for encryption, and encrypting and sending the data packet; if the node is a middle switch device directly forwarding the data packet; and if the node is a communication destination node, acquiring a key for decryption, and receiving and decrypting the data packet.

Abstract: A network device role self-adaptive method and apparatus are provided. Specifically, a first network device and a neighbor network device both determine their respective priority according to information including a connection result between the corresponding network device itself and a server; the first network device receives a second start frame which is sent by the neighbor network device and comprises the priority of the neighbor network device, and then determines whether its own priority and the priority of the neighbor network device meet preset conditions; and if yes, when the priority of the first network device is higher than the priority of the neighbor network device, the first network device determines its own role as an authentication access controller, and when the priority of the first network device is lower than the priority of the neighbor network device, the first network device determines its own role as a request device.

Abstract: A protein scaffold includes a plurality of EutM subunits and a multi-enzyme cascade. The multi-enzyme cascade includes a first enzyme attached to the first EutM subunit and a second enzyme attached to the second EutM subunit. The scaffold may be formed by a method that generally includes incubating a plurality of EutM subunits under conditions allowing the EutM subunits to self-assemble into a protein scaffold, attaching a first enzyme of a multi-enzyme cascade to a first EutM subunit, and attaching a second enzyme of the multi-enzyme cascade to a second EutM subunit. The scaffold may be self-assembled in vivo or in vitro. Each enzyme may be, independently of any other enzyme, attached to its EutM subunit in vivo or in vitro. Each enzyme may be, independently of any other enzyme, attached to its EutM subunit before or after the scaffold is assembled.

Abstract: A last-stage pressure drop-adjustable multistage brush seal structure. The seal structure comprises a stator casing, gears, gear shafts, stator casing vent holes, a brush wire beam, downstream brush seal piece vent through holes, downstream brush seal upper side gear teeth, and the like. The stator casing is stationary. An upstream brush seal piece is fixedly mounted on the inner side of the stator casing. According to the last-stage pressure drop-adjustable multistage brush seal structure, reverse driving force moment in an inclined direction of brush wires is given to the gear shafts, torsion moment is transferred to the gears through the gear shafts, and the downstream brush seal piece gear teeth are engaged with the downstream brush seal piece and transfer the torsion moment to the downstream brush seal piece, such that the downstream brush seal piece rotates around a rotor.

Abstract: A wireless network switching method. In the method, a station and a target access device directly generate a message integrity check key by means of a domain key, and verify an integrity code on the basis of the message integrity check key, so as to realize the authentication of two parties; and when the authentication of the opposite party is successful, session keys are generated by means of the domain key and in conjunction with random numbers of the two parties, thereby simplifying a switching process and realizing secure and efficient network switching. Further disclosed are a corresponding station and a corresponding access device.

Abstract: A mold for an ultra-thick walled U-shaped composite product with a deep cavity includes an upper mold cavity, a lower mold cavity, a slidable side-drawing insert, and an auxiliary mold clamping structure. The auxiliary mold clamping structure includes a first auxiliary mold clamping insert and a second auxiliary mold clamping insert. The first auxiliary mold clamping insert is fixed on the lower mold cavity, and the second auxiliary mold clamping insert is fixed on the slidable side-drawing insert. The slidable side-drawing insert is located on a side of an integral structure formed after the upper mold cavity is engaged with the lower mold cavity, and the slidable side-drawing insert longitudinally slides along the lower mold cavity. The ultra-thick walled U-shaped composite product is formed and located between the upper mold cavity, the lower mold cavity, and the slidable side-drawing insert.

Abstract: Embodiments of the present disclosure provide a charging apparatus and a charging method. The charging apparatus comprises: a housing adapted to be mounted in wall; a power assembly arranged within the housing and configured to supply output power to a device to be charged from a power source; a temperature sensing unit, arranged within the housing and configured to sense temperature inside the housing; a control assembly arranged within the housing and coupled to the power assembly and the temperature sensing unit, the control assembly being configured to control, based on temperature information from the temperature sensing unit, the power assembly to change the output power, thereby suppressing rise of temperature inside the housing. In accordance with embodiments of the present disclosure, the charging apparatus mounted in the wall can provide an effectively boosted charging power and is further applied to a broader scope.

Abstract: A public event administrating system is disclosed. The public event involves a plurality of individuals and the administrating system includes: a data collecting module, a data processing module, a medical resource scheduling module, and a grid administrating module. The data collecting module is configured to acquire initial data about the public event from a plurality of data sources. The data processing module is configured to process the initial data to acquire processed data. The medical resource scheduling module is configured to receive an individual service request and allocate currently available medical resources to an individual requesting service at least according to the individual service request. And, the grid administrating module is configured to divide a geographic region managed by the administrating system into a plurality of grids, and assign a plurality of grid administrators to the plurality of grids to respectively administrate individuals in the plurality of grids.

Abstract: The present disclosure provides a method for adapting a wearable device. The method includes sensing an electromyography (EMG) data responsive to a hand gesture of a user, determining a pressure applied in association with the hand gesture based on the EMG data, and causing the wearable device to be adapted to a body part of the user based on the pressure.