Abstract: A lithium-sulfur battery includes a cathode, an anode, a lithium-sulfur battery separator and an electrolyte. The lithium-sulfur battery separator includes a PSL and a FL. The FL is located on a surface of the PSL. The FL comprises a plurality of graphene sheets and a plurality of MoP2 nanoparticles uniformly mixed with each other.

Abstract: A lithium-sulfur battery includes a cathode, an anode, a lithium-sulfur battery separator and an electrolyte. The lithium-sulfur battery separator includes a PSL and a FL. The FL is located on a surface of the PSL. The FL comprises carbon nanotube structure and a plurality of MoP2 nanoparticles. The carbon nanotube structure defines a plurality of micropores. The plurality of MoP2 nanoparticles is located on surface of the carbon nanotube structure and filled in micropores in the carbon nanotube structure.

Abstract: A three-dimensional porous polyurethane scaffold for repairing central nerve injuries and a preparation method are disclosed. The scaffold includes three-dimensional porous polyurethane, wherein the compression modulus of the three-dimensional porous polyurethane is 0.001-10.0 MPa and the pore diameter is 10-200 ?m. The three-dimensional porous polyurethane scaffold has an efficient central nerve repair function without additionally inoculating functional cells or factors and can partially restore the original nerve function of tested animals, the preparation method is simple and it has a great prospect of application.

Abstract: A semantic processing method includes the following steps of: segmenting an input sentence into a plurality of lexicons according to a lexicon database, wherein the lexicon table includes a plurality of table blocks, and the table blocks are respectively located at a plurality of levels of the lexicon table; referring one part of speech or a plurality of parts of speech, corresponding to one of the lexicons of the table blocks, in the lexicon database; performing at least one grammar rule for each of the table blocks of the levels according to the part of speech, the plurality of parts of speech, the part of speech sequence or the plurality of part of speech sequences corresponding to the table blocks of the lexicon table; and outputting a parse tree according to the table blocks in the lexicon table that conform to the at least one grammar rule.

Abstract: Embodiments of the present application provide a method and system for for performing an allocation operation. During operation, the system may receive an object allocation request from a computing device associated with an allocation source. The system may determine the allocation source, one or more allocation targets, one or more notification targets, and a quantity of objects to be allocated based on the object allocation request. The system may extract objects to be allocated corresponding to the quantity of objects to be allocated from an object set corresponding to the allocation source. The system may then allocate the objects to be allocated to the allocation targets. The system may notify the notification targets of messages related to the allocation operation.

Abstract: A metal-organic framework (MOF) and uses thereof are provided herein, including an MOF comprising a repeat unit of the formula [Zn2(H2O)L.0.5H2O]n, wherein L is a ligand of the formula: The MOFs provided herein may be used in the separation of two or more gaseous molecules from each other. In some embodiments, the gaseous molecules are carbon dioxide and acetylene.

Abstract: An optical-controlled driving circuit adapts to a high utility power environment with high voltages, large currents and severe surges, and includes an optical-controlled switch circuit, an SCR with optical-controlled driver and a main circuit. The optical-controlled switch circuit includes an optical-controlled component and a first switching transistor that are connected in serial. The SCR with optical-controlled driver includes at least two switching transistors that are connected in serial and a plurality of diodes, and is coupled to the main circuit. The optical-controlled driving circuit generates a driving current according to the voltage of a utility power. When the optical-controlled driving circuit is used in a DC converter using an SCR as a switch element, the optical-controlled driving circuit helps to increase the operation efficiency when the DC converter works under a light load.

Abstract: An optical-controlled driving circuit adapts to a high utility power environment with high voltages, large currents and severe surges, and includes an optical-controlled switch circuit, an SCR with optical-controlled driver and a main circuit. The optical-controlled switch circuit includes an optical-controlled component and a first switching transistor that are connected in serial. The SCR with optical-controlled driver includes at least two switching transistors that are connected in serial and a plurality of diodes, and is coupled to the main circuit. The optical-controlled driving circuit generates a driving current according to the voltage of a utility power. When the optical-controlled driving circuit is used in a DC converter using an SCR as a switch element, the optical-controlled driving circuit helps to increase the operation efficiency when the DC converter works under a light load.

Abstract: Provided are a flowrate measurement device and a flowrate measurement method. The flowrate measurement device includes an attachment portion configured to attach the flowrate measurement device to an object to be measured, and a measurement portion. The measurement portion includes a first ultrasonic transmitter, a second ultrasonic transmitter and a plurality of signal receivers between the first ultrasonic transmitter and the second ultrasonic transmitter. The plurality of signal receivers are spaced apart from each other. The first ultrasonic transmitter, the second ultrasonic transmitter and the plurality of the signal receivers are all disposed on the attachment portion, such that both the first ultrasonic transmitter and the second ultrasonic transmitter are capable of emitting an ultrasonic wave signal to the object to be measured. The signal receivers are capable of receiving an ultrasonic wave signal reflected from the object to be measured.

Abstract: A spraying device, which includes a spraying mechanism and a rotating mechanism is disclosed. The rotating mechanism includes a rotating sidewall, which sidewall is provided with multiple sets of spraying holes arranged along the circumference of the rotating sidewall. Each set of spraying holes includes a plurality of spraying holes, and the spraying holes of at least two adjacent sets of spraying holes are arranged in a staggered arrangement. The spraying mechanism includes an infusion channel, the sidewall of which is provided with a spraying spout. The infusion channel extends along the inside of the rotating sidewall, the rotating sidewall being configured to rotate or swing with respect to the spraying spout of the infusion channel.

Abstract: The present disclosure provides an object allocation method and apparatus. The method may include: based on an object allocation request from an initiating party, generating an object allocation set; wherein, the object allocation set contains a specified number of objects extracted from among an object set corresponding to the initiating party; determining an allocation constraint condition associated with the object allocation set, the allocation constraint condition including a geographical location condition; and allocating the object allocation set to a target party, wherein the target party satisfies the allocation constraint condition. Through technical solutions of the present disclosure, allocation related to geographical location may be realized, helping to optimize object allocation operations.

Abstract: A lithium-sulfur battery separator includes a PSL and a FL. The FL is located on a surface of the PSL. The FL includes a plurality of carbon nanotubes and a plurality of MoP2 nanoparticles uniformly mixed with each other.

Abstract: A lithium-sulfur battery includes a cathode, an anode, a lithium-sulfur battery separator and an electrolyte. The lithium-sulfur battery separator includes a PSL and a FL. The FL is located on a surface of the PSL. The FL comprises carbon nanotube structure and a plurality of MoP2 nanoparticles. The carbon nanotube structure defines a plurality of micropores. The plurality of MoP2 nanoparticles is located on surface of the carbon nanotube structure and filled in micropores in the carbon nanotube structure.

Abstract: A lithium-sulfur battery separator includes a PSL and a FL. The FL is located on a surface of the PSL. The FL comprises carbon nanotube structure and a plurality of MoP2 nanoparticles. The carbon nanotube structure defines a plurality of micropores. The plurality of MoP2 nanoparticles is located on surface of the carbon nanotube structure and filled in micropores in the carbon nanotube structure.

Abstract: A lithium-sulfur battery includes a cathode, an anode, a lithium-sulfur battery separator and an electrolyte. The lithium-sulfur battery separator includes a PSL and a FL. The FL is located on a surface of the PSL. The FL includes a plurality of graphene sheets and a plurality of MoP2 nanoparticles uniformly mixed with each other.

Abstract: A lithium-sulfur battery includes a cathode, an anode, a lithium-sulfur battery separator and an electrolyte. The lithium-sulfur battery separator includes a PSL and a FL. The FL is located on a surface of the PSL. The FL comprises a plurality of graphene sheets and a plurality of MoP2 nanoparticles uniformly mixed with each other.

Abstract: A lithium-sulfur battery includes a cathode, an anode, a lithium-sulfur battery separator and an electrolyte. The lithium-sulfur battery separator includes a PSL and a FL. The FL is located on a surface of the PSL. The FL includes a plurality of carbon nanotubes and a plurality of MoP2 nanoparticles uniformly mixed with each other.

Abstract: A three-dimensional porous polyurethane scaffold for repairing central nerve injuries and a preparation method are disclosed. The scaffold includes three-dimensional porous polyurethane, wherein the compression modulus of the three-dimensional porous polyurethane is 0.001-10.0 MPa and the pore diameter is 10-200 ?m. The three-dimensional porous polyurethane scaffold has an efficient central nerve repair function without additionally inoculating functional cells or factors and can partially restore the original nerve function of tested animals, the preparation method is simple and it has a great prospect of application.

Abstract: A lithium ion battery anode includes a carbon nanotube sponge and a plurality of transition metal oxide particles. The carbon nanotube sponge is a honeycomb structure including a plurality of carbon nanotubes joined with each other by van der Waals attractive force. The carbon nanotube sponge includes a plurality of holes having sizes greater than or equal to 5 microns. The plurality of transition metal oxide particles are uniformly attached to surfaces of the plurality of carbon nanotubes and located in the holes. Sizes of the plurality of transition metal oxide particles are less than or equal to 200 nanometers.

Abstract: A lithium ion battery including a shell, an anode, a cathode, an electrolyte and a separator is provided. The anode includes a carbon nanotube sponge and a plurality of transition metal oxide particles. The carbon nanotube sponge includes a plurality of carbon nanotubes. The plurality of transition metal oxide particles are uniformly attached to surfaces of the plurality of carbon nanotubes and located in the sponge.