Abstract: A method and a device system for producing dimethyl oxalate through high-pressure carbonylation of industrial synthesis gases and producing ethylene glycol through dimethyl oxalate hydrogenation. The method comprises the following steps: adopting industrial NO, O2 and methanol as raw materials to perform an esterification reaction to produce methyl nitrite, then adopting industrial CO and methyl nitrite to perform a carbonylation reaction in a plate reactor to produce carbonylation products which mainly include dimethyl oxalate and dimethyl carbonate, separating the carbonylation products to obtain dimethyl carbonate products, and subsequently performing hydrogenation to dimethyl oxalate in the plate reactor to produce ethylene glycol products; and performing coupling recovery treatment to waste acid in the esterification reaction and purge gas in the carbonylation reaction for recycling.

Abstract: Biomarkers and methods for predicting risk of a disease in particular RA are provided. Sequences of DNA are obtained. The DNA may be extracted from a sample that is collected from a subject. A relative abundance of a biomarker is then calculated based on the sequences of the DNA. The biomarker comprises a DNA sequence in a genome of Lactobacillus salivarius. A probability of the subject having the disease is obtained based on the relative abundance.

Abstract: The present invention provides a multi-layer hose comprising a cover layer, comprising a first polymer, an enhancement layer comprising woven filaments, and an inner lining, comprising a second polymer, wherein the first polymer and the second polymer are dissimilar. The first polymer is preferably a polymer with good wear resistance properties, e.g., thermoplastic polyurethane (TPU), TPU/PVC, or PVC, or PVC/NBR. The second polymer is preferably a polymer with good chemical resistance properties, e.g., ethylene propylene diene monomer (EPDM) rubber. The present invention also provides a method of manufacturing said multi-layer hose.

Abstract: A software defined network (SDN) system, controller, and controlling method, where the SDN system includes at least one Nth level controller and at least two (N+1)th level controllers belonging to the Nth level controller, where the (N+1)th level controller is configured to receive a first message sent by a node belonging to the (N+1)th level controller, and when the first message is a cross-domain message according to status information of each node that is managed by the (N+1)th level controller, forward the first message to the Nth level controller to which the (N+1)th level controller belongs, and the Nth level controller receives the first message, and perform decision processing according to status information of the (N+1)th level controller that is managed by and belongs to the Nth level controller and status information of boundary nodes of the (N+1)th level controller belonging to the Nth level controller.

Abstract: This invention provides a liquid crystal display panel, a source driver in the liquid crystal display panel comprises an amplifier whose amplification coefficient is adjustable, the amplifier can adjust a received data signal based on a currently selected amplification coefficient, and output the adjusted data signal to a data line that is currently signally-connected with the amplifier, moreover, the currently selected amplification coefficient is inversely proportional to a rate at which the data line charges a current signally-connected sub-pixel unit.

Abstract: The present invention provides a voltage compensation method, a voltage compensation device and a display device, which solves the existing problem of inappropriate compensation caused by compensating the common electrode with a fixed compensation voltage. The voltage compensation method comprises: obtaining a current ambient temperature; determining a compensated common electrode voltage corresponding to the current ambient temperature based on the current ambient temperature; outputting the compensated common electrode voltage.

Abstract: This invention provides a liquid crystal display panel, a source driver in the liquid crystal display panel comprises an amplifier whose amplification coefficient is adjustable, the amplifier can adjust a received data signal based on a currently selected amplificaiton coefficient, and output the adjusted data signal to a data line that is currently signally-connected with the amplifier, moreover, the currently selected amplification coefficient is inversely proportional to a rate at which the data line charges a current signally-connected sub-pixel unit.

Abstract: Embodiments of the present invention provide a data stream security processing method and apparatus. In the embodiments of the present invention, security levels of data streams are determined according to different feature information of the data streams, and forwarding paths corresponding to the data streams are determined according to the security levels, where a forwarding path may go through a security device to implement a corresponding security function of the forwarding path, thereby improving data stream forwarding security and lightening load of a central controller.

Abstract: Provided are a fracturing liquid delivery hose for recovery of shale oil & gas, and manufacturing method and co-extrusion mold thereof. The method for manufacturing the fracturing liquid delivery hose for recovery of shale oil & gas according to the present invention includes: (1) extrusion of a cover layer bearing an adhesive layer; (2) extrusion of an inner lining bearing the adhesive layer; (3) physically permeation of the extruded cover layer and the inner lining for standby use; (4) formation of an enhancement layer; (5) heating and pressurizing for physical and chemical bonding between the cover layer and the enhancement layer; (6) turning it over; (7) heating and pressurizing for physical and chemical bonding between the inner lining and the enhancement layer. In the present invention, the different types of materials may be used for the cover layer and the inner lining, and the cover layer and the inner lining of different materials may be combined for more needs and reduced product cost.

Abstract: The present disclosure provides a method, an apparatus, and a system for cooperative defense on a network. Alarm information sent by a security device of a first subnet that is being attacked is received by a controller; the controller generates flow table information according to the alarm information, and forwards the flow table information to a switching device of the first subnet and a switching device of at least one second subnet, which is equivalent to that, after detecting an attack, a security device of a subnet generates alarm information, and shares, by using the controller, the alarm information with a switching device of the subnet and a switching device of another subnet that is not being attacked, to form networkwide cooperative defense, thereby enhancing network security.

Abstract: Conflict detection and resolution methods and apparatuses relate to the field of communications technologies. The conflict detection method includes: acquiring, by a controller, a flow path of a data flow on a network, where the flow path is used to indicate a path along which the data flow reaches an address in a destination address range from an address in a source address range through at least two intermediate nodes on the network, a first flow table rule is added to or deleted from flow tables of the at least two intermediate nodes, and the first flow table rule is any flow table rule; and determining, by the controller, whether a conflict exists according to an address range of the flow path and an address range of a security policy.

Abstract: A method for getting a device online, a method for sending addresses, a front-end device, a server and a surveillance system are provided, wherein the method for getting a device online includes: a front-end device carrying its own device identification to request a central management server for a registration; receiving a device address assigned by the central management server to the front-end device after the registration is successful; using the device address to request an online management server for getting online, receiving a request response fed back by the online management server. Through the above technical solution, the embodiment of the present invention solves the problem that the front-end devices need to be manually configured with device IDs one by one.

Abstract: Embodiments of the present invention provide a data stream security processing method and apparatus. In the embodiments of the present invention, security levels of data streams are determined according to different feature information of the data streams, and forwarding paths corresponding to the data streams are determined according to the security levels, where a forwarding path may go through a security device to implement a corresponding security function of the forwarding path, thereby improving data stream forwarding security and lightening load of a central controller.

Abstract: The present invention provides a fracturing fluid transport hose, a method for manufacturing same, and a co-extrusion mould. The method for manufacturing a fracturing fluid transport hose according to the present invention includes the following steps of: (1) drying, agitating and color matching of an outer adhesive layer; (2) drying, agitating and color matching of an inner adhesive layer; (3) producing a reinforcement layer: knitting a tubular reinforcement layer according to a product design specification parameter; and (4) producing a final product: sleeving the reinforcement layer on a mould core of a co-extrusion mould, suctioning the dried granules in step (1) and step (2) into two extruders respectively, and starting the extruders and a dragger, so that the reinforcement layer, the outer adhesive layer granules and the inner adhesive layer granules pass through a co-extrusion device together to obtain a product.

Abstract: A method for resource matching in virtual private cloud (VPC) migration is provided, including: acquiring a node attribute, a link attribute and an adjacent matrix of a customized network requiring VPC migration according to a VPC migration request, where the node attribute includes a network security device attribute of the customized network; acquiring a node attribute, a link attribute and an adjacent matrix of a cloud network in which the VPC is located, where the adjacent matrices are used for indicating connection relations between any two nodes in the customized network and the cloud network, respectively; obtaining multiple matching resources in the cloud network according to a subgraph isomorphism algorithm, where each of the matching resources matches the node attribute, the link attribute and the adjacent matrix of the customized network; and selecting one of the multiple matching resources as a VPC into which the customized network migrates.

Abstract: A method for resource matching in virtual private cloud (VPC) migration is provided, including: acquiring a node attribute, a link attribute and an adjacent matrix of a customized network requiring VPC migration according to a VPC migration request, where the node attribute includes a network security device attribute of the customized network; acquiring a node attribute, a link attribute and an adjacent matrix of a cloud network in which the VPC is located, where the adjacent matrices are used for indicating connection relations between any two nodes in the customized network and the cloud network, respectively; obtaining multiple matching resources in the cloud network according to a subgraph isomorphism algorithm, where each of the matching resources matches the node attribute, the link attribute and the adjacent matrix of the customized network; and selecting one of the multiple matching resources as a VPC into which the customized network migrates.

Abstract: Various embodiments of the present invention provide systems and methods for signal offset cancellation. For example, a method for error cancellation is disclosed. The method includes: receiving an input signal that includes a second order error component; applying a transfer function to the processed input to reduce the second order error component; and providing an output signal that is the result of applying the transfer function to the input signal.

Abstract: Various embodiments of the present invention provide systems and methods for signal offset cancellation. For example, a method for error cancellation is disclosed. The method includes: receiving an input signal that includes a second order error component; applying a transfer function to the processed input to reduce the second order error component; and providing an output signal that is the result of applying the transfer function to the input signal.

Abstract: An apparatus comprising an input current source device, a first transistor, a second transistor and a level shifter device. The input current source device may provide a input current source. The first transistor may be configured to operate in saturation for mirroring the input current source to an output current source. The first transistor may have (i) a source node connected to a supply, and (ii) a drain connected to the input current source. The second transistor may also be configured to operate in saturation. The second transistor may have (i) a gate connected to a gate of the first transistor, (ii) a source connected to the supply, and (iii) a drain configured as an output current node. The level shifter device may comprise a third transistor, a first bias current source and a second bias current source.