Abstract: This application provides a communications method and a communications apparatus. A first station in a first multi-link device sends first information to a second multi-link device, where the first information is used to indicate a frequency at which how often a station in a power saving mode in the first multi-link device receives a beacon frame. In this way, the second multi-link device may learn about, based on the first information, how often a frequency at which a station in the first multi-link device receives a beacon frame, thereby helping the second multi-link device effectively manage a cache service of each station in the first multi-link device and manage a data buffer space.

Abstract: This application disclose a method for constructing an indoor map. The method includes: obtaining a plurality of first tracks and a second track, where each first track is a flat-layer track located on an indoor horizontal layer, the second track is a cross-layer track located between different indoor horizontal layers, and a first wireless signal information similarity between each first track point of the first track and each second track point is less than a first threshold; and performing layering on the plurality of first tracks based on a second wireless signal information similarity between the plurality of first tracks, to obtain a layering result, where the layering result may be used to construct an indoor map.

Abstract: The present disclosure provides a bispecific antibody including a binding domain that binds to CD112R and a binding domain that binds to TIGIT, and the binding domain that binds to CD112R includes: HCDR1, HCDR2 and HCDR3 of the amino acid sequence set forth in SEQ ID NO: 1, and/or LCDR1, LCDR2 and LCDR3 of the amino acid sequence set forth in SEQ ID NO: 2; and the HCDR1, HCDR2, HCDR3, LCDR1, LCDR2 and LCDR3 are defined according to the Kabat, IMGT, Chothia, AbM or Contact numbering system. The present disclosure further provides a polynucleotide encoding the antibody, an expression vector, a host cell and a method for expressing and purifying the antibody, a pharmaceutical composition including the antibody of the present disclosure, and use of the bispecific antibody for treating cancer.

Abstract: A detection device adapted to verify or determine a welding quality includes a housing, a moving assembly, a mounting bracket, and a rotating assembly. The moving assembly is movably installed on the housing and is adapted to be moved up and down in a vertical direction. The mounting bracket is fixed to the housing. The rotating assembly includes a rotating member rotatably connected to the mounting bracket and movably connected to the moving assembly, and a contact probe fixed to the rotating member. The contact probe is adapted to make sliding contact with a second component welded on a first component and to push the moving assembly to move in the vertical direction through the rotating member.

Abstract: A label printing and attaching system includes a label printing device and a label attaching device. The label printing device has an ink tape supply mechanism for supplying an ink tape with a label pattern. A label tape supply mechanism of the label printing device is adapted to supply a label tape that includes a carrier tape and blank label paper adhered to the carrier tape. The label printing device further includes a heat transfer machine adapted to heat transfer the label pattern on the ink tape onto the blank label paper of the label tape to obtain a desired label. The label attaching device has a label picker adapted to pick up the label with the printed label pattern from the label tape, and a moving device adapted to move the label picker to place the picked label with the printed label pattern onto a product.

Abstract: A method includes: An access point generates an NDPA frame, where the NDPA frame includes a station information field, and the station information field includes an AID subfield indicating an association identifier AID of a station; the station information field further includes a partial bandwidth information subfield; the partial bandwidth information subfield indicates an RU that is in a bandwidth corresponding to the NDPA frame and for which the station needs to feed back channel state information; and the bandwidth corresponding to the NDPA frame is greater than 160 MHz. The access point transmits the NDPA frame.

Abstract: A STA in a STA MLD sends an information frame on a link corresponding to the station, and the information frame is used to indicate a STA in an awake state in the STA MLD. An AP MLD receives the information frame, and sends a downlink message frame on a one or more links corresponding to a part of or all of STAs in the awake state in the STA MLD.

Abstract: Provided are a method for preparing genetically engineered erythrocytes carrying an anti-PD-1 single chain antibody, and genetically engineered erythrocytes carrying the anti-PD-1 single chain antibody. The preparation method comprises the following steps: constructing a desired fragment sequence in a lentiviral expression vector, lentivirally packaging the vector of the desired sequence to obtain a high-titer lentiviral concentrate; isolating Lin?CD34? cells from peripheral blood mononuclear cells and enriching the Lin?CD34? cells; inducing the Lin?CD34? cells to differentiate into erythroid and performing proliferation thereon; using the lentiviral concentrate to infect the Lin?CD34? cells; and obtaining mature anti-PD-1 scFv erythrocytes via erythrocyte denucleation. The present genetically engineered erythrocytes carrying the anti-PD-1 single chain antibody can perform the targeted delivery of an anti-PD-1 single-chain antibody to tumor tissues.

Abstract: Pharmaceutical compositions comprising nitroxoline lysinate, a preparation method therefor and a use thereof. The pharmaceutical compositions comprise a first layer and a second layer. The first layer comprises, based on the total weight of the first layer, 40%-70% of active pharmaceutical ingredient, 10%-30% of filler, 5%-12% of disintegrant, 0.5%-2% of lubricant, 0.1%-1.5% of glidant and 10%-20% of alkaline substance. The second layer comprises, based on the total weight of the second layer, 40%-70% of active pharmaceutical ingredient, 10%-30% of filler, 10%-35% of sustained-release material, 0.1%-2% of lubricant and 0.1%-2% of glidant. The active pharmaceutical ingredient is selected from one or more of nitroxoline lysinate, nitroxoline lysinate crystalline form and nitroxoline lysinate solvate. The pharmaceutical compositions can achieve the purpose of burst release at an early stage and sustained and slow release at a later stage.

Abstract: Disclosed is a process of manufacturing a thickened angle ring. The process includes the steps of: soaking wet paper into deionized water for 1 hour; beating bonding surfaces of the two pieces of wet paper into fuzzed and rough surfaces; placing a heat resisting polyester film and a nylon net on a mold, and placing one fuzzed wet paper on the mold in contact with the nylon net on smooth side thereof; placing the other wet paper in contact with the fuzzed surface of the previous wet paper on fuzzed side thereof, and beating until the wet paper fits the mold; placing a further heat resisting polyester film and a further nylon net on the two pieces of wet paper for pressing.

Abstract: The present invention discloses a cyclopenta[c]chromene compound and a preparation method thereof. A chalcone compound as a reactant, A cationic rare earth metal compound Ln(CH3CN)9]3+[(AlCl4)3]3?.CH3CN as a catalyst, and 2-naphthalenethiol as an accelerator, react in an organic solvent to prepare the cyclopenta[c]-chromene compound. Ln represents a positive trivalent rare earth metal ion, which is selected from the group consisting of La, Nd, Sm, Gd, and Yb. The starting materials are easy obtained, the reaction process is simple, and the yield of the target product is high, up to 85%.

Abstract: Examples of the present disclosure provide a method for setting up a route path, a device and a computer-readable storage medium. The method may include: establishing a neighbor list; wherein, the neighbor list comprises neighbor nodes of the node and position information of the neighbor nodes; in response to receiving a routing request (RREQ) message from a previous hop node, recording a source Internet Protocol (IP) address of a source node contained in the RREQ message as a destination IP address in a routing table established in the node; recording the previous hop node as a next hop node corresponding to the destination IP address in the routing table; selecting a pre-determined number of nodes from the neighbor list as next hop nodes of the RREQ message according to the position information of the neighbor nodes; and sending the RREQ message to the next hop nodes.

Abstract: The present invention discloses a method for preparing a cyclopenta[c]chromene compound. A cationic rare earth compound [Ln(CH)3CN)9]3+[(AlCl4)3]3?.CH3CN is used as a catalyst, and p-methyl thiophenol is used as an accelerator for a catalytic reaction of a chalcone compound so as to prepare a product; and Ln, contained in the catalyst, represents a positive trivalent rare earth metal ion and is selected from one of La, Nd, Sm, Gd and Yb. According to the method, the starting materials are easy to obtain, the reaction process is simple, the catalyst usage is low, the catalyst is universally applicable to various substituted 2-hydroxy chalcones, and the obtained cyclopenta[c]chromene compound has not been reported. The catalyst synthesis method is simple and easy to obtain, and the yield of the target product is high.

Abstract: A pixel driving circuit, an organic light emitting display panel and a pixel driving method. The pixel driving circuit includes: a switching sub-circuit, a driving sub-circuit, a storage capacitor and a charge eliminating sub-circuit; the charge eliminating sub-circuit has a control terminal connected to a first scanning signal line, and other terminals connected to the first terminal of the driving sub-circuit, a cathode of the organic light emitting element (OLED) and a reference voltage terminal respectively, and can enable a potential between the anode and the cathode of the organic light emitting element to be reversed under control of the first scanning signal line.

Abstract: Examples of the present disclosure provide a method for setting up a route path, a device and a computer-readable storage medium. The method may include: establishing a neighbor list; wherein, the neighbor list comprises neighbor nodes of the node and position information of the neighbor nodes; in response to receiving a routing request (RREQ) message from a previous hop node, recording a source Internet Protocol (IP) address of a source node contained in the RREQ message as a destination IP address in a routing table established in the node; recording the previous hop node as a next hop node corresponding to the destination IP address in the routing table; selecting a pre-determined number of nodes from the neighbor list as next hop nodes of the RREQ message according to the position information of the neighbor nodes; and sending the RREQ message to the next hop nodes.

Abstract: Disclosed is a process of manufacturing a thickened angle ring. The process includes the steps of: soaking wet paper into deionized water for 1 hour; beating bonding surfaces of the two pieces of wet paper into fuzzed and rough surfaces; placing a heat resisting polyester film and a nylon net on a mold, and placing one fuzzed wet paper on the mold in contact with the nylon net on smooth side thereof; placing the other wet paper in contact with the fuzzed surface of the previous wet paper on fuzzed side thereof, and beating until the wet paper fits the mold; placing a further heat resisting polyester film and a further nylon net on the two pieces of wet paper for pressing.

Abstract: A pixel driving circuit, an organic light emitting display panel and a pixel driving method. The pixel driving circuit includes: a switching sub-circuit, a driving sub-circuit, a storage capacitor and a charge eliminating sub-circuit; the charge eliminating sub-circuit has a control terminal connected to a first scanning signal line, and other terminals connected to the first terminal of the driving sub-circuit, a cathode of the organic light emitting element (OLED) and a reference voltage terminal respectively, and can enable a potential between the anode and the cathode of the organic light emitting element to be reversed under control of the first scanning signal line.

Abstract: The present invention discloses a cyclopenta[c]chromene compound and a preparation method thereof. A chalcone compound as a reactant, A cationic rare earth metal compound Ln(CH3CN)9]3+[(AlCl4)3]3?.CH3CN as a catalyst, and 2-naphthalenethiol as an accelerator, react in an organic solvent to prepare the cyclopenta[c]-chromene compound. Ln represents a positive trivalent rare earth metal ion, which is selected from the group consisting of La, Nd, Sm, Gd, and Yb. The starting materials are easy obtained, the reaction process is simple, and the yield of the target product is high, up to 85%.

Abstract: The present invention discloses a method for preparing a cyclopenta[c]chromene compound. A cationic rare earth compound [Ln(CH)3CN)9]3+[(AlCl4)3]3?.CH3CN is used as a catalyst, and p-methyl thiophenol is used as an accelerator for a catalytic reaction of a chalcone compound so as to prepare a product; and Ln, contained in the catalyst, represents a positive trivalent rare earth metal ion and is selected from one of La, Nd, Sm, Gd and Yb. According to the method, the starting materials are easy to obtain, the reaction process is simple, the catalyst usage is low, the catalyst is universally applicable to various substituted 2-hydroxy chalcones, and the obtained cyclopenta[c]chromene compound has not been reported. The catalyst synthesis method is simple and easy to obtain, and the yield of the target product is high.

Abstract: Disclosed are Lactobacillus rhamnosus strain 753 and uses thereof, a silage additive and silage. Lactobacillus rhamnosus strain 753 is deposited in China General Microbiological Culture Collection Center with an accession number of CGMCC 18233. Lactobacillus rhamnosus strain 753 can improve the quality of silage in a high-temperature and high-humidity region, and the silage processed by Lactobacillus rhamnosus strain 753 has good stability and low pH, low aflatoxin B1 content and less dry matter loss. In addition, secondary fermentation can be avoided in the silage processed by Lactobacillus rhamnosus strain 753 when a silo or bale for silage is opened.