Abstract: The present invention relates to the technical field of mine fire prevention and extinguishing, in particular to a liquid nitrogen direct injection and low-temperature foaming intelligent filling system based on mine fire area characteristics and an application method, comprising a liquid nitrogen storage tank, a liquid nitrogen direct injection system and a low-temperature foaming system, wherein the liquid nitrogen storage tank communicates with a liquid nitrogen pressurizing device through a main pipeline; a temperature control unit is arranged on the main pipeline; and the liquid nitrogen pressurizing device is connected with the liquid nitrogen direct injection system and the low-temperature foaming system, respectively, liquid nitrogen is directly injected into a foam liquid, to prepare a low-temperature foam type fire preventing and extinguishing material by means of forced convection, membrane boiling, explosion boiling and nucleate boiling between the liquid nitrogen and water.

Abstract: In the related art, a data transmission cannot be normally performed between two communication ends, if the two levels of control information cannot be correctly received, a transmission method is included in the communication method provided in the embodiments of the present disclosure. In the transmission method, a terminal receives, through a first control channel, first control information sent by a base station; and in a case of not obtaining second control information from the base station, the terminal determines a transmission configuration parameter of a data channel according to the first control information and preset control information, and performs a data transmission with the base station according to the transmission configuration parameter of the data channel.

Abstract: The present invention discloses to a Hot-work die steel electroslag remelted ingot and a manufacture method thereof. The electroslag remelted ingot comprises the following chemical components, C: 0.36-0.41%, Si: 0.80-1.10%, Mn: 1.00-3.00%, Cr: 4.90-5.40%, Mo: 1.35-1.55%, V: 0.4-0.7%, Ni?0.04%, Cu?0.04%%, S?0.003%, P?0.012%, O?0.0015%, H?0.0002%, N?0.006%, 0.05%?RE?0.20%, the balance being Fe. The above percentage is percentage by mass. According to the present invention, the features of electroslag remelting under inert gas protection are fully combined and a rare earth alloy is precisely fed during the electroslag remelting, thus exerting the excellent effects of RE inclusion modification and micro-alloying under high purity and high uniformity conditions and realizing high-quality and high-performance Hot-work die steel.

Abstract: The present invention provides an feed method for electroslag remelting furnace which includes the following steps: mounting a wire in a wire feeder, activating the wire feeder, passing the wire through a straightening machine and an insulating sleeve in sequence, and then stopping the wire feeder; mounting an electrode requiring electroslag on an electroslag furnace and placing the same in a crystallizer; activating a control system to start the electroslag production, the control system processing the acquired weight information, length information, and position information and comparing the same with a preset process parameter to form a comparison result; and the control system sending a control instruction according to the comparison result, and automatically adjusting the wire feeding speed of the wire feeder and the lifting height of the lifter. The wire feeding method according to the present invention has the advantages of simple operation and precise control.

Abstract: Provided are a method, an apparatus and a device for sending a control channel, a method, an apparatus and a device for detecting a control channel, and a storage medium. The method for sending a control channel includes that a sending end sends a first control channel using a first transmission configuration, the first control channel carrying first control information for indicating transmission configuration information of a data channel and that the sending end sends a second control channel using a second transmission configuration, the second control channel carrying second control information for indicating transmission configuration information of the data channel.

Abstract: A data transmission method and device, a feedback information transmission method and device, a storage medium, and an electronic device are provided. The data transmission method includes that: a regulation instruction for regulating at least one predetermined aggregated slot is determined; the at least one predetermined aggregated slot is regulated according to the regulation instruction; and data is transmitted using the regulated aggregated slot.

Abstract: Provided are a slot aggregation and device, a slot aggregation transmission method and device, a storage medium, and an electronic device. The slot aggregation method includes: setting, in a slot aggregation process, one or more slot intervals in N slots, wherein a duration of each slot interval is one or more slots; or setting, in a slot aggregation process, N slots as continuous slots, wherein the number of resources allocated in an nth slot of the N slots is less than the number of resources allocated in the (n?1)th slot; or setting, in a slot aggregation process, N slots as X slot groups, wherein a transmission format of each slot group is pre-configured by a base station, N is an integer greater than 1 and less than or equal to n, and X is less than N.

Abstract: In the related art, a data transmission cannot be normally performed between two communication ends, if the two levels of control information cannot be correctly received, a transmission method is included in the communication method provided in the embodiments of the present disclosure. In the transmission method, a terminal receives, through a first control channel, first control information sent by a base station; and in a case of not obtaining second control information from the base station, the terminal determines a transmission configuration parameter of a data channel according to the first control information and preset control information, and performs a data transmission with the base station according to the transmission configuration parameter of the data channel.

Abstract: Provided are a method, an apparatus and a device for sending a control channel, a method, an apparatus and a device for detecting a control channel, and a storage medium. The method for sending a control channel includes that a sending end sends a first control channel using a first transmission configuration, the first control channel carrying first control information for indicating transmission configuration information of a data channel and that the sending end sends a second control channel using a second transmission configuration, the second control channel carrying second control information for indicating transmission configuration information of the data channel.

Abstract: A method comprising: A. forming a consortium blockchain network using domain network nodes and selecting committee members from top-level domain nodes; B. the committee member who received most votes packs the genesis block and generates a random number; C. the housekeeper having the same number as the random number packs the current block and generates a random number for selecting a next housekeeper to pack the next block, each block is approved by more than half of the committee members; D. during the duty cycle, each housekeeper takes turns packing blocks and generating random numbers and the process is repeated. If a block is not approved, the housekeeper with the next number is requested to repack the block; and E. the last random number generated by a housekeeper before the duty cycle ends is used to select the housekeeper to pack the first block of the next duty cycle.

Abstract: An example topology construction method for satisfying partition tolerance, comprising: combining the consortium blockchain consensus mechanism with the network topology structure to make the consortium blockchain consensus satisfy the partition tolerance in probability; abstracting the partition tolerance of a system into a class of convergent Markov process and computing a steady-state probability of the system; estimating the probability and the average minimum repair time of failing to meet consistency or availability in the event of a partition failure with a given number of failure channels, and a partition tolerance probability and an average minimum repair time of the system are obtained; and analyzing the resource overhead and the partition tolerance under different network topologies according to the obtained partition tolerance probability and the average minimum repair time, and constructing the network topology structure with suitable scale and high partition tolerance for the consortium blockcha

Abstract: This invention discloses a method for controlling inter-frequency hard handoffs by using user equipment(UE) event-triggered reporting mode in a WCDMA system, being applicable to geographical cells covered by multiple frequency points. Its main technical feature is that the radio network controller (RNC), after receiving reported results from the UE, performs the decision and execution according to the specific events. This method has the advantages of a reasonable logic and high efficiency, being able to well ensure the realization of the inter-frequency handoffs required by a WCDMA system, improved communication quality, reduced transmission power of the UE, reduced interference to other cells, and increased system capacity, etc.

Abstract: This invention discloses a method for controlling inter-frequency hard handoffs by using user equipment(UE) event-triggered reporting mode in a WCDMA system, being applicable to geographical cells covered by multiple frequency points. Its main technical feature is that the radio network controller (RNC), after receiving reported results from the UE, performs the decision and execution according to the specific events. This method has the advantages of a reasonable logic and high efficiency, being able to well ensure the realization of the inter-frequency handoffs required by a WCDMA system, improved communication quality, reduced transmission power of the UE, reduced interference to other cells, and increased system capacity, etc.