Abstract: A method, circuit and apparatus for protecting power supply of a peripheral component interconnect express (PCIE) card, and a medium are provided, card hardware design. When the PCIE card is not completely inserted into a slot of a server, a first power supply and a second power supply are controlled to release electric energy, a controller is controlled; to turn off a first MOS transistor, and a load is charged with the electric energy released by the second power supply. When the PCIE card is completely inserted into the slot of the server, a PRSNT #signal is generated, a second MOS transistor is controlled to be turned on, and the controller is controlled to turn on the first MOS transistor. When the PCIE card is not completely pulled out, the second MOS transistor is controlled to be turned off, and the controller is controlled to turn off the first MOS transistor.

Abstract: The present disclosure provides a field integrated device for automatically shielding and collecting rainwater and simulating rainfall and an experimental method. The field integrated device comprises a roller shutter assembly. A rainfall assembly and a rainwater collecting assembly are fixed on the roller shutter assembly. The roller shutter assembly guides rainwater into the rainwater collecting assembly while shielding the rainwater. The rainfall assembly is connected with a pumping assembly. The pumping assembly transports the rainwater to the rainfall assembly to realize artificial rainfall simulation. The pumping assembly is fixed in a solar module. The solar module is electrically connected with the pumping assembly and a driving assembly in the roller shutter assembly. The solar module is in signal connection with a remote signal end.

Abstract: A clock control method, apparatus, and device, and a storage medium. By the method, timing optimization of bidirectional data communication between a server mainboard and a Peripheral Component Interconnect express (PCIe) expansion board is relatively implemented, and the occurrence of a situation where in any data communication direction between the server mainboard and the PCIe expansion board, data transmitted by the initiating end at a given high-level moment does not reach the receiving end at a next high-level moment may be prevented, thus ensuring the reliability of communication between the server mainboard and the PCIe expansion board. In addition, the present application further provides a clock control apparatus and device, and a storage medium, and the beneficial effects are as stated above.

Abstract: A clock control method, apparatus, and device, and a storage medium. By the method, timing optimization of bidirectional data communication between a server mainboard and a Peripheral Component Interconnect express (PCIe) expansion board is relatively implemented, and the occurrence of a situation where in any data communication direction between the server mainboard and the PCIe expansion board, data transmitted by the initiating end at a given high-level moment does not reach the receiving end at a next high-level moment may be prevented, thus ensuring the reliability of communication between the server mainboard and the PCIe expansion board. In addition, the present application further provides a clock control apparatus and device, and a storage medium, and the beneficial effects are as stated above.

Abstract: A field condition-based experimental apparatus for an ecological indicator of vegetation includes a plurality of isolation units arranged at intervals and an auxiliary mechanism detachably connected to the isolation unit. The isolation units include a plurality of isolation boxes arranged at intervals and respectively having a hollow structure, and a support frame respectively disposed at four corners of the isolation box. The auxiliary mechanism is detachably connected to the support frame. A soil layer is disposed in the isolation box. The experimental apparatus has a reliable structure and is easy to use. An appropriate number of isolation units are buried under field conditions based on experimental needs. Auxiliary mechanisms of different structures are mounted based on experimental conditions. This implements reliable detection of an ecological indicator of vegetation under the field conditions and effectively improves authenticity and reliability of detection results.

Abstract: A field condition-based experimental apparatus for an ecological indicator of vegetation includes a plurality of isolation units arranged at intervals and an auxiliary mechanism detachably connected to the isolation unit. The isolation units include a plurality of isolation boxes arranged at intervals and respectively having a hollow structure, and a support frame respectively disposed at four corners of the isolation box. The auxiliary mechanism is detachably connected to the support frame. A soil layer is disposed in the isolation box. The experimental apparatus has a reliable structure and is easy to use. An appropriate number of isolation units are buried under field conditions based on experimental needs. Auxiliary mechanisms of different structures are mounted based on experimental conditions. This implements reliable detection of an ecological indicator of vegetation under the field conditions and effectively improves authenticity and reliability of detection results.

Abstract: Techniques and structures for improving shielding of an integrated circuit package are provided. The integrated circuit package includes a die including a plurality of bump sites and a substrate connected to the die at the plurality of bump sites. The substrate includes at least one layer that implements one or more signal traces and a plurality of shield traces. Each shield trace in the plurality of shield traces is coupled to a ground plane by a plurality of slot vias.

Abstract: A method for obtaining a water amount for a humidifier, includes: obtaining a target humidification parameter for a space to be humidified; determining a water amount required for the humidifier to reach the target humidification parameter; and outputting a notifying message, the notifying message carrying the determined water amount.

Abstract: The present invention discloses a performance prediction method and system of pervious concrete based on a meso-structure reconstruction model.

Abstract: A method, apparatus and medium for controlling a self-balancing scooter are provided. The method includes: detecting a target navigation marker used for navigating the self-balancing scooter; and controlling the self-balancing scooter to travel according to the target navigation marker when the target navigation marker is detected.

Abstract: A method and an apparatus are provided for calibrating a particulate matter measurement value. The method includes: when a current particulate matter measurement value is obtained, obtaining a current temperature-humidity parameter; obtaining a particulate matter measurement deviation value corresponding to the current temperature-humidity parameter from pre-stored particulate matter measurement deviation values under various temperature-humidity parameters according to the current temperature-humidity parameter; and calibrating the current particulate matter measurement value according to the particulate matter measurement deviation value corresponding to the current temperature-humidity parameter.

Abstract: A message withdrawal method, apparatus and a storage medium are disclosed. The method includes receiving a message withdrawal instruction, where the message withdrawal instruction at least includes a message identifier of a target message to be withdrawn, determining a storage path of a target network resource according to a mapping relation between a storage location of a downloaded network resource and the message identifier, deleting the target message using the message identifier, and deleting the target network resource at the storage path of the target network resource.

Abstract: A method and an apparatus are provided for controlling a smart home device. In the method, the apparatus acquires a target state of the smart home device, where the target state is a state determined according to visitor information within a predetermined range. The smart home device performs an operation corresponding to the target state. The smart home device flexibly performs different operations according to the actual visit situation so that working efficiency is improved. Especially when there are a large number of visitors within the predetermined range, the smart home device may automatically enter an unconventional working state, such that inconvenience caused by movement and noise to the visitors may be prevented, thereby improving overall performance of the smart home device.

Abstract: A router management method, a router, and a mobile terminal are provided. The method includes: when an abnormality is detected in the currently connected wideband network, switching communications from the wideband network to the mobile network, sending the failure message to a networked mobile terminal through the mobile network, and then using the mobile terminal to perform a repairing operation according to the failure message.

Abstract: A method for starting an application in a router includes establishing a connection with a terminal, detecting whether the terminal supports a private protocol, and starting an application based on the private protocol if the terminal supports the private protocol.

Abstract: Techniques and structures for improving shielding of an integrated circuit package are provided. The integrated circuit package includes a die including a plurality of bump sites and a substrate connected to the die at the plurality of bump sites. The substrate includes at least one layer that implements one or more signal traces and a plurality of shield traces. Each shield trace in the plurality of shield traces is coupled to a ground plane by a plurality of slot vias.

Abstract: The disclosure relates to a method and apparatus for inputting expression information. The method includes acquiring target feature information of a user, the target feature information including at least one of facial feature information and limb feature information; acquiring target expression information based on the target feature information; and displaying the target expression information on a user interface.

Abstract: A method and apparatus for air purification are provided. The method includes: acquiring an image of a room to be purified and determining a location at which the image is acquired; determining spatial capacity information of the room to be purified according to the image and the location; and performing air purification for the room to be purified using a purification strategy corresponding to the spatial capacity information.

Abstract: The present disclosure relates to a mute operation method and a mute operation apparatus for an automatic cleaning device, the mute operation method includes: receiving a mute instruction; planning a mute cleaning path according to the mute instruction; switching to a mute mode and performing a cleaning operation according to the mute cleaning path.

Abstract: A package substrate, including a first reference layer and a second reference layer disposed opposite to each other, a first composite layer disposed on a side of the first reference layer and close to the second reference layer, a second composite layer disposed on a side of the second reference layer and close to the first reference layer, and a metal trace is laminated between the first composite layer and the second composite layer. The first composite layer and the second composite layer each include a first dielectric layer and a second dielectric layer disposed opposite to and in contact with each other, the first dielectric layer is in contact with the metal trace, and a stiffness of the second dielectric layer is greater than a stiffness of the first dielectric layer.