Abstract: The provided are a device and method for measuring a bonding strength between a contaminated rock surface and a solidified material. The device includes a fixing and measuring assembly and four rock slabs enclosing a rectangular prism, where outer surfaces of the four rock slabs are fitted to two transverse support plates and two longitudinal support plates, respectively; the two longitudinal support plates are arranged between the two transverse support plates; upper and lower ends of the rock slabs are provided with an upper cover and a bottom plate, respectively; the upper cover and the bottom plate are detachably fixed to the two transverse support plates, respectively; the two transverse support plates are detachably fixed to each other through a second screw; a hydraulic device is provided among the four posts; and a movable end of the hydraulic device is provided with a supporting airbag.

Abstract: Disclosed are a strain of Lactobacillus helveticus capable of removing multiple heavy metals and an application thereof in milk powder, where the strain is Lactobacillus helveticus KD-3, which is deposited in the China Center for Type Culture Collection on Apr. 6, 2023, with a deposit number of CCTCC NO: M2023479. The Lactobacillus helveticus KD-3 has a cadmium resistant gene czcD, a chromium resistant gene chrA and a lead resistant gene pbrT, and is capable of tolerating single and compound heavy metals (cadmium, chromium and lead). The Lactobacillus helveticus KD-3 of the present disclosure is used to prepare lyophilized bacterial powder.

Abstract: The present disclosure belongs to technical field of OLEDs, and provides a compound suitable as a hole transport material and an electron blocking material of OLEDs. The compound has a general structure according to [Chemical Formula 1], in which Ar1 and Ar2 are each independently selected from a hydrogen atom, a substituted or unsubstituted C5-C40 aryl, or a substituted or unsubstituted C5-C40 heteroaryl; m and n are each an integer independently selected from 0, 1, or 2; X is selected from O, S, or —NR—; R is selected from hydrogen, or a substituted or unsubstituted C5-C40 aryl; Ar3 has a structure according to [Chemical Formula 2], in which R1-R8 are each independently selected from a hydrogen atom, or a substituted or unsubstituted C5-C40 aryl; Y is selected from O, S, or —NR?—; and R? is selected from a hydrogen atom, or a substituted or unsubstituted C5-C40 aryl.

Abstract: A scheduling method and system for the operation of reservoirs to recharge freshwater for repelling saltwater intrusion under changing conditions. Research data of a research area is collected, the research area is generalized, and the river network topology of the area is constructed; the research data acquire the seawater flow data of each station in the research area for N time periods, analyze the correlation between the flow of a predetermined station and the saltwater intrusion and build a seawater flow spatial-temporal evolution model; rainfall data and freshwater runoff of each station are acquired to analyze the variation trends of freshwater flow and hydrological regime of each station and a first ending point and build a freshwater flow spatial-temporal evolution model; and a scheduling model for recharging freshwater for repelling saltwater intrusion is built for simulation, a scheduling method is provided, and a scheduling scheme set is formed.

Abstract: The provided are a thickening device and method for uniform solidification of composite lost circulation material made up of liquid and granular lost circulation materials. The thickening device includes a base. The base is provided with a side wall; an upper end of the side wall is provided with a detachable top cover; the base, the side wall, and the top cover form a sealed chamber; the base is provided with a rotating support platform; the rotating support platform is provided with a detachable slurry cup; the slurry cup is provided therein with agitating shafts; the agitating shafts each are provided with a blade; a top end of the agitating shaft is connected to a threaded rod through a ball head connector; an upper end of the agitating shaft is provided with a second gear; and the threaded rod is provided with a second limit platform.

Abstract: The provided are a thickening device and method for uniform solidification of composite lost circulation material made up of liquid and granular lost circulation materials. The thickening device includes a base. The base is provided with a side wall; an upper end of the side wall is provided with a detachable top cover; the base, the side wall, and the top cover form a sealed chamber; the base is provided with a rotating support platform; the rotating support platform is provided with a detachable slurry cup; the slurry cup is provided therein with agitating shafts; the agitating shafts each are provided with a blade; a top end of the agitating shaft is connected to a threaded rod through a ball head connector; an upper end of the agitating shaft is provided with a second gear, and the threaded rod is provided with a second limit platform.

Abstract: The provided are a device and method for measuring a bonding strength between a contaminated rock surface and a solidified material. The device includes a fixing and measuring assembly and four rock slabs enclosing a rectangular prism, where outer surfaces of the four rock slabs are fitted to two transverse support plates and two longitudinal support plates, respectively; the two longitudinal support plates are arranged between the two transverse support plates; upper and lower ends of the rock slabs are provided with an upper cover and a bottom plate, respectively; the upper cover and the bottom plate are detachably fixed to the two transverse support plates, respectively; the two transverse support plates are detachably fixed to each other through a second screw; a hydraulic device is provided among the four posts; and a movable end of the hydraulic device is provided with a supporting airbag.

Abstract: The embodiments of the present disclosure provide an imaging method, an imaging system, a dual-source scanning system, and a method for controlling the dual-source scanning system. The imaging method includes: obtaining first detection data and second detection data acquired by scanning an object using a first detector and a second detector of an imaging device respectively, and obtaining a first reconstructed image by performing image reconstruction based on the first detection data and the second detection data. The first reconstructed image can cover an area not detected by the first detector, thus expanding a reconstruction range. The dual-source scanning system includes afirst scanning system and a I second scanning system, wherein at least one of the first detector or the second detector has an asymmetric structure relative to a central channel thereof. A first scanning FOV of the first scanning system and a second scanning FOV of the second scanning system are at least partially overlapped.

Abstract: Provided are an automatic obstacle avoidance method and system of a pesticide application robot and a storage medium.

Abstract: A control method includes obtaining a trigger signal that changes an operation status of an electronic device and controlling a target storage member of the electronic device to switch to an application mode corresponding to the trigger signal to cause the target storage member to respond to different data read/write operations from the electronic device through different data read/write paths. Configuration parameters of the target storage member are different in different application modes.

Abstract: Disclosed are a strain of Lactobacillus helveticus capable of removing multiple heavy metals and an application thereof in milk powder, where the strain is Lactobacillus helveticus KD-3, which is deposited in the China Center for Type Culture Collection on Apr. 6, 2023, with a deposit number of CCTCC NO: M2023479. The Lactobacillus helveticus KD-3 has a cadmium resistant gene czcD, a chromium resistant gene chrA and a lead resistant gene pbrT, and is capable of tolerating single and compound heavy metals (cadmium, chromium and lead). The Lactobacillus helveticus KD-3 of the present disclosure is used to prepare lyophilized bacterial powder.

Abstract: Disclosed are a dog training and bark control device and a dog training and bark control system, being capable of being switched among three modes: a dog training mode, a bark control mode, and a dog training and bark control mode, allowing a user to select an appropriate mode of the dog training and bark control device according to an actual need of a pet dog in different situations, thereby more flexibly responding to different training and behavior management needs, helping the user better interact with the pet, promoting the pet's healthy growth, and improving product satisfaction.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may compare an external list of ping pong handovers or redirections that is maintained by an access point, and an internal list of ping pong handovers or redirections that is maintained by the UE. The UE may identify a ping pong detection criterion, for a handover or redirection between a first network node and a second network node, based, at least in part, on the external list, the internal list, both the external list and the internal list, or neither of the external list nor the internal list indicating a previous ping pong handover or redirection between the first network node and the second network node. Numerous other aspects are described.

Abstract: Disclosed is a method for carrying out ecological water supplement by using tidal power, including the following steps: constructing a first water supplying river channel at an upper and middle reach of an artery and tributaries of a river channel, storing water at high tide and supplying water to the tributaries at low tide based on the first water supplying river channel; and setting a storage tank at an urban river channel, constructing a second water supplying river channel at an other end of the storage tank connected with the urban river channel, and supplying the water to a city based on the interconnected storage tank, the urban river channel and the second water supplying river channel.

Abstract: A 5?-untranslated region element includes the full-length sequence of the 5?-untranslated region of a naturally highly expressed gene; or a fragment sequence of the 5?-untranslated region of a naturally highly expressed gene, wherein the fragment sequence of the 5?-untranslated region does not comprise a TOP motif site (e.g., CTTTT) or a uORF sequence (AUG upstream of an open reading frame); or a fragment sequence of the 5?-untranslated region of a naturally highly expressed gene, a non-structural sequence, a transcription-enhancing sequence, and a Kozac sequence, wherein the fragment sequence of the 5?-untranslated region lacks a TOP motif site or a uORF sequence. The 5?-untranslated region element of the present application makes nucleic acid molecules having extremely high protein expression performance and expression efficiency.

Abstract: Disclosed is a metal peroxide composite injectable hydrogel, a preparation method and use thereof. The preparation method comprises the step of dissolving a modified high-molecular polymer, a metal peroxide and a peroxidase in a solvent, mixing evenly, and standing to prepare the hydrogel, wherein the modified high-molecular polymer is a high-molecular polymer grafted with a phenolic hydroxyl group. According to the invention, the metal peroxide induces the modified high-molecular polymer to be quickly crosslinked under an action of the peroxidase to prepare the hydrogel, and the prepared hydrogel has good photo-thermal performance, antibacterial property, tissue adhesion, osteogenesis promoting effect, shape adaptability and injectability, can be well adapted to an irregular bone defect area, and is used for repairing a postoperative defect of tumor through a synergistic effect of multiple functions, which can effectively prevent tumor recurrence and reduce a possibility of implant material infection.

Abstract: The disclosure provides for compositions and methods for the preservation of meat substitutes containing plant heme protein. In particular, small molecules that can fit in the unique heme pocket of plant heme proteins are provided to stabilize and preserve meat substitutes the products.

Abstract: This application provides techniques of generating an audio resource pool based on extracting audio from target videos. The techniques comprise obtaining target videos; determining at least one to-be-processed video from the target videos based on audio features of the target videos; extracting audio from the at least one to-be-processed video; and generating an audio resource pool based on the extracted audio.

Abstract: Approaches, techniques, and mechanisms are disclosed for generating assisted driving test and evaluation data. According to one embodiment, video and non-video data are collected asynchronously through video and non-video data interface from an image acquisition device and a non-video data source collocated with the vehicle. Timing information received with the data is used to synchronize the video and non-video data into synchronized vehicle data. Specific labels indicating ground truths are identified to be applied to the synchronized vehicle data. Labeled vehicular data is generated from the synchronized vehicle data and the specific labels. At least a portion of the labeled vehicular data is to be used to test and evaluate assisted driving functionality.

Abstract: Approaches, techniques, and mechanisms are disclosed for generating assisted driving test and evaluation data. According to one embodiment, video and non-video data are collected asynchronously through video and non-video data interface from an image acquisition device and a non-video data source collocated with the vehicle. Timing information received with the data is used to synchronize the video and non-video data into synchronized vehicle data. Specific labels indicating ground truths are identified to be applied to the synchronized vehicle data. Labeled vehicular data is generated from the synchronized vehicle data and the specific labels. At least a portion of the labeled vehicular data is to be used to test and evaluate assisted driving functionality.