Abstract: A gas-phase aldehyde hydrogenation catalyst, a preparation method thereof and an application thereof, where the preparation method includes: mixing an aluminum salt, a first zinc salt, silica sol, a first precipitant and water, and performing a first aging treatment to obtain a first mixed solution; mixing a copper salt, a second zinc salt, a zinc powder and water, and performing an ultrasonic treatment to obtain a second mixed solution; mixing the first mixed solution, the second mixed solution and a second precipitant, and performing a second aging treatment to obtain a third mixed solution; adding boric acid into the third mixed solution, and performing a third aging treatment to obtain a fourth mixed solution; filtering the fourth mixed solution, and sequentially drying and roasting the obtained solid product to obtain a catalyst precursor; mixing and molding the catalyst precursor with a graphite to obtain a gas-phase aldehyde hydrogenation catalyst.

Abstract: A method for preparing a hepatitis B virus nucleocapsid inhibitor is provided. Specifically, the method involves a novel procedure for preparing a compound represented by formula (I) (each group is as defined in the description) by an optimization process. The method can significantly enhance the yield, improve the product purity, and significantly reduce genotoxic impurities in the product. Also disclosed is a new intermediate for the preparation of the compound represented by formula (I).

Abstract: An unnatural amino acid may have a structure as shown in formula (1) or may be an enantiomer thereof: Such unnatural amino acid may be used, e.g., in recombinant proteins. A recombinant protein may contain such unnatural amino acid and a protein conjugate prepared from the recombinant protein. The unnatural amino acid can be simple and convenient to prepare, safe in nature, difficult to inactivate when inserted into a protein, and may have a high binding rate with a coupling moiety, and the obtained conjugate is higher in stability. The unnatural amino acid is applicable to numerous fields, especially in preparation of a recombinant protein or a recombinant protein conjugate.

Abstract: A method, an apparatus and a system for automatically adjusting an opening degree of a fluid control valve, relating to the technical field of oil and gas exploration and development. The method includes: establishing a fluid control valve having an orifice structure in oil and gas production; using a numerical simulation method to obtain the influence law of minimum opening degree adjustment step on oil and gas production; obtaining relevant production test data of the oil and gas well, and calculating the total oil and gas production and the oil and gas production of each production layer based on the production test data of the oil and gas well; dividing the production layer segments into high, middle and low-production layers according to the production ratio of each production layer segment; respectively calculating the average productions of the high, middle and low-production layers.

Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media for communications. A method comprises determining, at a first terminal device, a value of a contention window based on at least one factor related to sidelink. The method also comprises performing, based on the value of the contention window, a channel access procedure for sidelink transmission.

Abstract: Embodiments of the present disclosure relate to communication. According to embodiments of the present disclosure, a network device is able to configure resources dedicated to repetition of transmission during the access procedure. If a terminal device determines to perform the repetition of transmission, the terminal device uses the dedicated resources for the transmission. The numbers of the repetition are determined based on a target power for the transmission and a maximum power at the terminal device. In this way, it improves coverage of the terminal device and the success in accessing channel.

Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media for communications. A method comprises determining, at a first terminal device, channel occupancy (CO) for sidelink transmission. The method further comprises transmitting configuration information about the CO.

Abstract: Embodiments of the present disclosure relate to communication. According to embodiments of the present disclosure, a first terminal device receives a configuration of a sidelink transmission from a network device. The configuration indicates a start symbol for the sidelink transmission. The first terminal device performs the clear channel assessment for the sidelink transmission. If the CCA is successful, the first terminal device transmits a sidelink signal based on a length between a completion of the CCA and the start symbol. In this way, it improves resource efficiency. It can also improve access ability.

Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media for communications. A method comprises determining, at a first terminal device, at least one set of start points in time domain for sidelink transmission. Each of the at least one set comprises one or more start points. The method also comprises transmitting the sidelink transmission on at least one resource starting from one start point in the at least one set.

Abstract: Embodiments of the present disclosure relate to methods, devices, and computer readable medium for hybrid automatic repeat request (HARQ). A method in a terminal device comprises: receiving a scheduling message from a network device, the scheduling message including information on HARQ feedback, wherein the information on HARQ feedback indicates at least one of: a processing identification for HARQ feedback and the accumulated number of scheduling messages that have been transmitted for the terminal device or the processing identification; detecting data from the network device according to the scheduling message; and transmitting HARQ feedback to the network device based on the information on HARQ feedback.

Abstract: The present disclosure provides a blockchain-based green power certification method, apparatus, and system, to pre-process obtained basic data to obtain proof-of-existence data, certify the proof-of-existence data from a production side and a consumption side by using a certification chain and a token chain respectively, and obtain a green power attribute certificate and a green power consumption label if the certification is passed; generate a unique digital identifier for the green power attribute certificate and the green power consumption label separately based on a non-fungible token (NFT), which realizes non-interchangeability, indivisibility, and other characteristics of the certificate and the identifier; and supervise and verify a certification process by using a chain of custody, and generate a corresponding unique blockchain identifier for the certification chain, the token chain, and the chain of custody separately through multi-chain interaction, so as to realize data interaction between blockcha

Abstract: A scheduling method and apparatus for an MU-MIMO system, an electronic apparatus, and a storage medium. The method comprises: acquiring a paired user group (30); receiving first uplink data from a first user (21), and receiving second uplink data from a second user (22); performing cyclic redundancy check after respectively demodulating the first uplink data and the second uplink data; when the first uplink data and the second uplink data are both successfully checked, scheduling the same resource for the first user (21) and the second user (22) according to a resource demand amount of the paired user group (30); and when checking of the first uplink data and/or the second uplink data fails, adjusting a pairing relationship of the paired user group (30).

Abstract: The present invention provides a freeze-dried composition containing anti-HER2 drug conjugate, which comprises ARX788 and one or more of pharmaceutically acceptable lyoprotectant, buffer salts and surfactants, wherein the pH value of the freeze-dried composition is from 5.7 to 6.3. The present invention also provides a freeze-dried preparation containing anti-HER2 drug conjugate and the preparation method thereof. The present invention also provides use of the freeze-dried composition and the freeze-dried preparation. The freeze-dried composition and the freeze-dried preparation provided by the present invention have a very excellent stability, as well as good appearance, short reconstitution time and low moisture content. The product quality is safe and reliable, and the production efficiency is high.

Abstract: A neural network compression method whereby forward inference is performed on target data by using a target parameter sharing network to obtain an output feature map of the last convolutional module, a channel related feature is extracted from the output feature map, the extracted channel related feature and a target constraint condition are input into a target meta-generative network, and an optimal network architecture under the target constraint condition is predicted by using the target meta-generative network to obtain a compressed neural network model.

Abstract: Embodiments of the disclosure provides a pico-base station configuration method and apparatus, a storage medium and an electronic apparatus, and relate to the technical field of wireless network pico-base station technology.

Abstract: Embodiments of the disclosure provides a pico-base station configuration method and apparatus, a storage medium and an electronic apparatus, and relate to the technical field of wireless network pico-base station technology.

Abstract: An uplink data parsing method, an electronic device, and a storage medium are provided. The method includes: in an uplink scheduling process, a PHY layer of a baseband processing unit receiving uplink configuration information transmitted by a MAC layer; the PHY layer receiving uplink baseband signals obtained from a plurality of physical cells; the PHY layer determining, according to a first UE record, whether uplink data of a UE to be parsed is correctly parsed in the uplink scheduling process; if yes, the uplink data of the UE to be parsed being not parsed any more in the uplink scheduling process. The first UE record includes an uplink data parsing result of the UE of which uplink data needs to be parsed in the uplink scheduling process.

Abstract: Water outlet valve structure and a humidifier having the same. Opening or closing of the water outlet valve structure is controlled by a control structure. The water outlet valve structure includes a flow channel including an inlet and an outlet. The control structure is capable of sealing or opening the outlet of the flow channel. The outlet of the flow channel is capable of being sealed or opened by the control structure of the water outlet valve structure, to control the open and close of the flow channel, thereby simplifying the water outlet valve structure. In a further aspect, since only the outlet is sealed, specific requirements for the structure of the control structure are relatively low, thereby allowing the control structure to be simplified.

Abstract: Water outlet valve structure and a humidifier having the same. Opening or closing of the water outlet valve structure is controlled by a control structure. The water outlet valve structure includes a flow channel including an inlet and an outlet. The control structure is capable of sealing or opening the outlet of the flow channel. The outlet of the flow channel is capable of being sealed or opened by the control structure of the water outlet valve structure, to control the open and close of the flow channel, thereby simplifying the water outlet valve structure. In a further aspect, since only the outlet is sealed, specific requirements for the structure of the control structure are relatively low, thereby allowing the control structure to be simplified.

Abstract: A convertible protective shelter for people to shelter and stay in during unsafe situations, such as earthquakes and windstorms. The shelter can protect occupants from falling materials or debris. This shelter is readily convertible into a table for general household use when it is not required, and can be readily deployed when it is required. A plurality of elongate support members which form the arched structure of the shelter may be converted into leg structures for the undeployed shelter (table). The shelter can also be provided with at least one protective door, which optionally can be foldable to facilitate storage of the protective door when the shelter is not in use.