Abstract: The present disclosure provides a method for determining an ore-forming environment of a porphyry deposit based on a tourmaline component, including the following steps: collecting a tourmaline-containing rock in the porphyry deposit to obtain a rock sample; performing pretreatment on the rock sample to obtain a treated sample; performing an in-situ tourmaline trace element test on the treated sample to obtain a test result; performing data processing and interpretation on the test result to obtain tourmaline trace element data; establishing a discrimination factor based on the tourmaline trace element data; and determining the ore-forming environment based on the discrimination factor. The present disclosure can quickly recognize a forming environment of a newly discovered porphyry deposit, thereby summarizing a rule and quickly giving guidance for a next prospecting direction.

Abstract: The present disclosure provides a method for determining an ore-forming environment of a porphyry deposit based on a tourmaline component, including the following steps: collecting a tourmaline-containing rock in the porphyry deposit to obtain a rock sample; performing pretreatment on the rock sample to obtain a treated sample; performing an in-situ tourmaline trace element test on the treated sample to obtain a test result; performing data processing and interpretation on the test result to obtain tourmaline trace element data; establishing a discrimination factor based on the tourmaline trace element data; and determining the ore-forming environment based on the discrimination factor. The present disclosure can quickly recognize a forming environment of a newly discovered porphyry deposit, thereby summarizing a rule and quickly giving guidance for a next prospecting direction.

Abstract: Embodiments of the present disclosure provide a solution for classifying a media content. A method comprises: determining a set of target features of a target media content based on first content data of the target media content; and processing, using a first classification model, the set of target features of the media content to generate classification information for the target media content, the first classification model being trained through distilling a second classification model, the second classification model being configured to generate classification information of a first training media content based on both a first set of features and a second set of features of the first training media content, the first set of features being determined based on second content data of the first training media content, and the second set of features being determined based on interaction data associated with the first training media content.

Abstract: The present application relates a two-wire communication control device and a multi-purpose device. The two-wire communication control device includes a signal receiving module, a first control module, at least one second control module, a power supply module, a coding module, and a decoding module. The signal receiving module is connected to the first control module, the first control module is connected to the coding module, the coding module is connected to the power supply module, the decoding module is connected to the coding module, the decoding module is further connected to the second control module, the power supply module is connected to a live wire and a neutral wire, the power supply module is further connected the first control module and the second control module, one of the coding module and the decoding module is connected to the live wire, and the other is connected to the neutral wire.

Abstract: The present invention discloses a method for evaluating a metallogenic potential of a skarn deposit based on the magnetite composition, including collecting geological, geophysical, geochemical, and remote sensing data in a studying area, systematically, and delineating a favorable area for mineralization; collecting magnetite-bearing samples in the favorable area for mineralization, and describing the lithology, alteration and mineralization characteristics of each sample; selecting the most representative magnetite samples for chemical analysis to obtain average contents of trace elements Ti, Ni, V, K and Al+Si+Mg, denoted as c(Ti), c(Ni), c(V), c(K), and c(Al+Si+Mg) in ppm; and calculating discriminant factors F1, F2, F3, and F4 by substituting data, and performing discrimination; and when the four discriminant factors all discriminate the metallogenic potential to be better, determining the skarn deposit in the favorable area for mineralization to have a good metallogenic potential; and discriminating as

Abstract: The present disclosure belongs to application in the field of deep learning and graph neural networks, and particularly relates to a multi-view hyperbolic-hyperbolic graph representation learning method. Two views are constructed based on a topological relation of nodes and node attributes, then an adjacency matrix and the two views generated are input into a hyperbolic-hyperbolic graph neural network to obtain node representations of three views, graph embedding representations of different views are obtained by performing hyperbolic-hyperbolic convolution and pooling on the node representations of the three views, the graph embedding representations are concatenated and input into a Lorentz multilayer perceptron (MLP) layer to obtain attention scores of the views, and with a hyperbolic-hyperbolic weighted representation, a multi-view based node embedding representation is obtained.

Abstract: The MnZn ferrite material includes principal components and auxiliary components, where the principal components include: 52.5 mol % to 53.8 mol % of Fe2O3, 8.8 mol % to 12 mol % of ZnO, and the balance of MnO; the auxiliary components include: 0.35 wt % to 0.5 wt % of Co2O3, 0.03 wt % to 0.08 wt % of CaSiO3, 0.01 wt % to 0.04 wt % of Nb2O5, and 0.05 wt % to 0.12 wt % of TiO2 and RE elemental components; the RE elemental components include one or more from the group consisting of 0 wt % to 0.04 wt % of Gd2O3, 0 wt % to 0.02 wt % of Ho2O3, and 0 wt % to 0.03 wt % of Ce2O3; the auxiliary components are all represented by a mass percentage relative to a total mass of the Fe2O3, the MnO, and the ZnO.

Abstract: Disclosed is a LADCP and USBL combined observation device and a use method thereof. The device includes a cable winch system, a mounting frame, a LADCP system, a USBL beacon and a correction system. The LADCP system, the USBL beacon and the correction system can be mounted to the mounting frame by adopting a hardware support platform. The cable winch system can drive the LADCP system to deploy or recover along a vertical section. The LADCP system is used to obtain the current velocity of a single small profile, and the USBL beacon can locate the underwater position information, and the correction system can obtain data information in the seawater where the mounting frame is located, so as to calculate an absolute current velocity according to the velocity obtained by the LADCP system and the current data obtained by the correction system.

Abstract: The present disclosure provides a state management method, a method for switching between a master application server and a backup application server, and an electronic device. In present disclosure, the management server updates the recorded backup application server state in time by querying for the connection state of the hot-backup connection between the master application server and the backup application server, and when the master application server is in failure, instead of immediately controlling the master application server and the backup application server to perform switching between the master and backup application servers, the management server controls the master application server and the backup application server to perform master-backup switching between the application servers according to the recorded backup application server state.

Abstract: The present application relates to a field of motor, in particular, relates to a brushless direct current motor and a hair dryer using the same, which includes a main body and a driver. The driver includes a driving board configured for integrating driving components, a control board configured for integrating control components and a wiring board configured for wiring. The driving board is provided at a side of the wiring board away from the stator end of the main body. A plane where the driving board is located is parallel to an extending direction of the stator end of the main body towards the wiring board. The driving board is configured to be electrically connected with the wiring board and the control board respectively. The present application has an effect of improving a heat dissipation efficiency of the driving components of the motor in the hair dryer.

Abstract: The present application relates a two-wire communication control device and a multi-purpose device. The two-wire communication control device includes a signal receiving module, a first control module, at least one second control module, a power supply module, a coding module, and a decoding module. The signal receiving module is connected to the first control module, the first control module is connected to the coding module, the coding module is connected to the power supply module, the decoding module is connected to the coding module, the decoding module is further connected to the second control module, the power supply module is connected to a live wire and a neutral wire, the power supply module is further connected the first control module and the second control module, one of the coding module and the decoding module is connected to the live wire, and the other is connected to the neutral wire.

Abstract: Disclosed is a LADCP and USBL combined observation device and a use method thereof. The device includes a cable winch system, a mounting frame, a LADCP system, a USBL beacon and a correction system. The LADCP system, the USBL beacon and the correction system can be mounted to the mounting frame by adopting a hardware support platform. The cable winch system can drive the LADCP system to deploy or recover along a vertical section. The LADCP system is used to obtain the current velocity of a single small profile, and the USBL beacon can locate the underwater position information, and the correction system can obtain data information in the seawater where the mounting frame is located, so as to calculate an absolute current velocity according to the velocity obtained by the LADCP system and the current data obtained by the correction system.

Abstract: The present disclosure provides a state management method, a method for switching between a master application server and a backup application server, and an electronic device. In present disclosure, the management server updates the recorded backup application server state in time by querying for the connection state of the hot-backup connection between the master application server and the backup application server, and when the master application server is in failure, instead of immediately controlling the master application server and the backup application server to perform switching between the master and backup application servers, the management server controls the master application server and the backup application server to perform master-backup switching between the application servers according to the recorded backup application server state.

Abstract: The MnZn ferrite material includes principal components and auxiliary components, where the principal components include: 52.5 mol % to 53.8 mol % of Fe2O3, 8.8 mol % to 12 mol % of ZnO, and the balance of MnO; the auxiliary components include: 0.35 wt % to 0.5 wt % of Co2O3, 0.03 wt % to 0.08 wt % of CaSiO3, 0.01 wt % to 0.04 wt % of Nb2O5, and 0.05 wt % to 0.12 wt % of TiO2 and RE elemental components; the RE elemental components include one or more from the group consisting of 0 wt % to 0.04 wt % of Gd2O3, 0 wt % to 0.02 wt % of HO2O3, and 0 wt % to 0.03 wt % of Ce2O3; the auxiliary components are all represented by a mass percentage relative to a total mass of the Fe2O3, the MnO, and the ZnO.

Abstract: Embodiments of the present disclosure disclose a method and apparatus for exporting a driving property index of an autonomous vehicle. A specific implementation of the method comprises: constructing a driving scenario of an autonomous vehicle by using a preset driving parameter; acquiring a driving state information set of the autonomous vehicle under the driving scenario; fitting a driving curve by using the driving state information set; and acquiring and exporting a driving property index of the autonomous vehicle by analyzing the driving curve. The implementation improves the accuracy of the acquired driving property index of the autonomous vehicle, controls the autonomous vehicle on the basis of the driving property index of high accuracy, and is helpful to realize safe driving of the autonomous vehicle.

Abstract: Embodiments of the present disclosure disclose a method and apparatus for exporting a driving property index of an autonomous vehicle. A specific implementation of the method comprises: constructing a driving scenario of an autonomous vehicle by using a preset driving parameter; acquiring a driving state information set of the autonomous vehicle under the driving scenario; fitting a driving curve by using the driving state information set; and acquiring and exporting a driving property index of the autonomous vehicle by analyzing the driving curve. The implementation improves the accuracy of the acquired driving property index of the autonomous vehicle, controls the autonomous vehicle on the basis of the driving property index of high accuracy, and is helpful to realize safe driving of the autonomous vehicle.

Abstract: The present disclosure provides a LADCP-USBL combined observation and data processing method and an apparatus. According to one embodiment, an exemplary method may include: acquiring bottom tracking data from the LADCP, position trajectory data collected by the USBL, and ocean current data collected by the LADCP; removing abnormal data points from the position trajectory data; performing azimuth angle correction on the position trajectory data according to the bottom tracking data to determine a movement velocity of the LADCP; and calculating an absolute ocean current velocity according to the movement velocity of the LADCP and the ocean current data.

Abstract: Embodiments of the present disclosure disclose a method and apparatus for exporting a driving property index of an autonomous vehicle. A specific implementation of the method comprises: constructing a driving scenario of an autonomous vehicle by using a preset driving parameter; acquiring a driving state information set of the autonomous vehicle under the driving scenario; fitting a driving curve by using the driving state information set; and acquiring and exporting a driving property index of the autonomous vehicle by analyzing the driving curve. The implementation improves the accuracy of the acquired driving property index of the autonomous vehicle, controls the autonomous vehicle on the basis of the driving property index of high accuracy, and is helpful to realize safe driving of the autonomous vehicle.

Abstract: Provided are methods of diagnosing IgA nephropathy in a subject. Optionally, the methods comprise isolating an IgG from the subject and determining whether the IgG binds to a galactose-deficient IgA1. Optionally, the methods comprise providing a biological sample from the subject and detecting in the sample a mutation in a IGH gene, wherein the mutation is in a nucleotide sequence encoding a complementarity determining region 3 (CDR3) of a IGH variable region. Optionally, the methods comprise determining a level of IgG specific for a galactose-deficient IgA1 in the subject. Also provided are methods of treating or reducing the risk of developing IgA nephropathy in a subject.

Abstract: Provided are methods of diagnosing IgA nephropathy in a subject. Optionally, the methods comprise isolating an IgG from the subject and determining whether the IgG binds to a galactose-deficient IgA1. Optionally, the methods comprise providing a biological sample from the subject and detecting in the sample a mutation in a IGH gene, wherein the mutation is in a nucleotide sequence encoding a complementarity determining region 3 (CDR3) of a IGH variable region. Optionally, the methods comprise determining a level of IgG specific for a galactose-deficient IgA1 in the subject. Also provided are methods of treating or reducing the risk of developing IgA nephropathy in a subject.