Abstract: A lightweight intrusion detection method includes obtaining a feature data set of the internet of vehicles and pre-processing data; dividing pre-processed data into an initial training set, an initial verification set and an initial test set according to a preset proportion, performing data balance on the initial training set to obtain a balanced training set, performing feature selection on the balanced training set, the initial verification set and the test set; obtaining a teacher model by training with the model training set and the model verification set; using the teacher model, the model training set and the model verification set for distillation training to obtain a student model; testing a size and complexity of the student model and the performance of the student model, and saving the student model that passes the test as a lightweight intrusion detection model; and deploying the lightweight intrusion detection model.

Abstract: A system can receive a request, and identify an attribute-based access control policy comprising a permission policy and a condition policy that is associated with performing an operation with respect to a group of computing resources with a first scope of the operation. The system can determine whether the account satisfies the permission policy for the operation, wherein determining whether the account satisfies the condition policy evaluates to true based on account attributes of the account and resource attributes of the group of computing resources in the first scope of the query operation. The system can, in response to determining that the account satisfies the condition policy, send an indication of the request as constrained by the first scope and a second scope that is based on the condition policy to a service, the service performing the operation to produce a result, and responding to the request with the result.

Abstract: Embodiments of the present disclosure provide an electronic packaging, a manufacturing method for an electronic packaging and an electronic apparatus. The electronic packaging includes a package substrate and an interconnect substrate, wherein a first surface of the package substrate is provided with a recess in which the interconnect substrate is embedded; and a bottom of the interconnect substrate is provided with a first heat sink; the first surface of the package substrate is provided with a first die and a second die; the first die and the second die are electrically connected through the interconnect substrate.

Abstract: Disclosed are an automatic remote water supply system in a low gravity environment, which includes a water supply unit, an environment detection unit and a control unit. The water supply unit includes a water bag, an air inlet pipe, a water pipe and a water pump on the water pipe. The bottom of the water bag has an air inlet and a water outlet. The air inlet pipe is communicated with the water bag through the air inlet. The water pipe is communicated with the water bag through the water outlet. The environment detection unit is configured to detect environmental information in the ecosystem to which the water supply system belongs in the low gravity environment. The control unit is configured to control the starting state of the water pump according to the environmental information, so that water in the water bag flows out through the water pipe.

Abstract: A method, apparatus, device, and storage medium for data processing. The method includes: obtaining a business object topology map and displaying the business object topology map on a current interface; where the business object topology map includes a plurality of business objects; receiving data processing logic edited by a user for at least one business object in the business object topology map; parsing the data processing logic to obtain a logical topology map corresponding to the data processing logic; obtaining instance data corresponding to the at least one business object; and processing the instance data based on the logical topology map to obtain a processing result. The method improves efficiency and accuracy of business data processing.

Abstract: This application provides an aluminum alloy, an electronic device, and an aluminum alloy preparation method. The aluminum alloy, based on mass percentage, includes the following components: silicon: 8.0%-10.0%, magnesium: 0.001%-0.2%, manganese: 0.001%-0.09%, iron: 0.7%-1.3%, and strontium: 0.001%-0.05%, with a balance of aluminum and inevitable impurities, where the inevitable impurities account for ?0.15%. The aluminum alloy has characteristics of a high heat conductivity, good molding performance, favorable corrosion resistance, and favorable mechanical properties without heat treatment.

Abstract: A position assurance apparatus includes a first connecting portion, and a second connecting portion configured to be electrically connected to the first connecting portion. The first connecting portion and the second connecting portion are configured to be electrically connected to a signal circuit through a first connector, so that the signal circuit is turned on in response to the first connector and a second connector being plugged into place.

Abstract: A multi-level cross-district surface well pattern deployment method is provided. Firstly, a horizontal well is drilled from a location on a land surface corresponding to a junction H1 of a district rise coal pillar of the first district C1 in a first level and an upper mine field boundary coal pillar. A multilateral well is drilled from a location on the land surface corresponding to a junction H3 of a level coal pillar between the first and second levels, and the district rise coal pillar of the first district C1 in the first level. Liquid nitrogen is injected for permeability improvement after a gas drainage quantity decreases to 20% of an initial quantity. Gas drainage is repeated multiple times until the drainage quantity of coal bed methane through a gas drainage pipe of the horizontal pipe is reached 3 m3/min.

Abstract: A position assurance apparatus, which is used for a connector assembly connected to a signal circuit are provided. The connector assembly comprises a first connector and a second connector, which are connected in pairs, wherein the first connector is connected to the signal circuit, and the second connector is inserted in the first connector. The position assurance apparatus comprises a first connecting portion and a second connecting portion, which are electrically connected to each other. The first connecting portion and the second connecting portion are configured to be electrically connected to the signal circuit by means of the first connector, so as to turn on the signal circuit when the first connector and the second connector are inserted in place.

Abstract: Disclosed is an environment forming apparatus suitable for biological cultivation in extraterrestrial space. The apparatus includes a shell and a biological cabin configured in an upper space of the shell. A light management system for importing light of biological growth from external world is configured in the upper space, a thermal management system for at least balancing a temperature of the upper space and a water supplying system and configured for providing water for creatures growth are both configured on the shell. The biological cabin and the like are set at the appropriate part of the shell, an environment which is relatively suitable for biological growth or cultivation can be created and simulated on an extraterrestrial star, a condition is provided for ecological cultivation of the extraterrestrial space, an ecosystem of the extraterrestrial space can be formed, and a smooth extraterrestrial space biological experiment process is guaranteed.

Abstract: Provided are a heterocyclic amide compound of general formula (I), a pharmaceutically acceptable salt thereof and a preparation method therefor, and the use of the compound in the preparation of a drug for treating diseases related to the activity of STING, in the preparation of an immunologic adjuvant, and in the preparation of a drug for activating STING.

Abstract: A multi-level cross-district surface well pattern deployment method is provided. Firstly, a first horizontal well is drilled from a location on a land surface corresponding to a junction H1 of a district rise coal pillar of the first district C1 in a first level and an upper mine field boundary coal pillar. A multilateral well is drilled from a location on the land surface corresponding to a junction H3 of a level coal pillar between the first and second levels, and the district rise coal pillar of the first district C1 in the first level. Liquid nitrogen is injected for permeability improvement after a gas drainage quantity decreases to 20% of an initial quantity. Gas drainage is repeated multiple times until the drainage quantity of coal bed methane through a gas drainage pipe of the horizontal pipe is reached 3 m3/min.

Abstract: The present application relates to a method and an apparatus for controlling a temperature of a battery pack, a battery management system, and a storage medium. The method for controlling a temperature of a battery pack includes: detecting a SOC of the battery pack; determining a SOC interval in which the SOC is located from a plurality of preset SOC intervals; determining a target temperature threshold corresponding to the SOC interval under a condition that a preset battery pack life requirement is met, based on a mapping relationship between preset SOC intervals, target temperature thresholds and battery pack life; and performing thermal management on the battery pack based on the target temperature threshold; where the performing thermal management on the battery pack based on the target temperature threshold comprises cooling the battery pack based on the target temperature threshold.

Abstract: The present application relates to a method and an apparatus for controlling a temperature of a battery pack, a battery management system, and a storage medium. The method for controlling a temperature of a battery pack includes: detecting a SOC of the battery pack; determining a SOC interval in which the SOC is located from a plurality of preset SOC intervals; determining a target temperature threshold corresponding to the SOC interval under a condition that a preset battery pack life requirement is met, based on a mapping relationship between preset SOC intervals, target temperature thresholds and battery pack life; and performing thermal management on the battery pack based on the target temperature threshold; where the performing thermal management on the battery pack based on the target temperature threshold comprises cooling the battery pack based on the target temperature threshold.

Abstract: Disclosed is an environment forming apparatus suitable for biological cultivation in extraterrestrial space. The apparatus includes a shell and a biological cabin configured in an upper space of the shell. A light management system for importing light of biological growth from external world is configured in the upper space, a thermal management system for at least balancing a temperature of the upper space and a water supplying system and configured for providing water for creatures growth are both configured on the shell. The biological cabin and the like are set at the appropriate part of the shell, an environment which is relatively suitable for biological growth or cultivation can be created and simulated on an extraterrestrial star, a condition is provided for ecological cultivation of the extraterrestrial space, an ecosystem of the extraterrestrial space can be formed, smooth extraterrestrial space biological experiment process is guaranteed.

Abstract: Embodiments of the present invention provide a method and a device for detecting SOC of a battery. The method for detecting SOC of a battery includes: determining an initial SOC value of the battery according to a waiting time of the battery; calculating a current SOC value of the battery based on the initial SOC value and a current working current of the battery, denoting as a first SOC value. In embodiments of the present invention, the current of the battery is real-time measured and the SOC value of the battery is calculated by accumulating the current of the battery, in addition, the initial SOC value is calibrated by the waiting time, so that the error of the SOC detection result is reduced, thereby increasing accuracy of the SOC detection result.