Abstract: A method for discriminating vertical distribution models of organic carbons is provided, the method includes: obtaining a concentration of organic carbons in a surface layer of the ocean water area, depths of water of the ocean water area and depths of mixed layers of the ocean water area; determining different vertical distribution models of organic carbons in the ocean water area according to the concentration of the organic carbons in the surface layer and the depths of water of the ocean water area; calculating ratios of the depths of water of the ocean water area to the depths of the mixed layers of the ocean water area; and discriminating the vertical distribution models according to the ratios. According to this method, the accuracy of estimation of the stock of organic carbons in the ocean water area can be improved greatly.

Abstract: The present invention relates to the field of biodegradable materials, and specifically provides a polyhydroxyalkanoate composition comprising a crystallization accelerator, and a molded body. The polyhydroxyalkanoate composition comprises polyhydroxyalkanoate and a crystallization accelerator, wherein the crystallization accelerator is one or more of fatty acid amide compounds. By selecting fatty acid amide as the crystallization accelerator of polyhydroxyalkanoate, the composition provided by the present invention provides a certain time guarantee for the crystallization of the molded body, promotes the crystallization and molding of polyhydroxyalkanoate, and at the same time, solves the problem that the polyhydroxyalkanoate resin is adhered to processing equipment parts in the process of processing the polyhydroxyalkanoate molded body in the prior art, and improves the processing efficiency of preparing the molded body.

Abstract: Embodiments of this application provide a calibration method and apparatus. The method includes: sending identification information of a vehicle to a first server; receiving first motion track information sent by the first server based on the identification information, where the first motion track information includes motion track information of a mechanical arm for calibration of a first to-be-calibrated device in the vehicle; and controlling, based on the first motion track information, the mechanical arm to calibrate the first to-be-calibrated device. The technical solutions in embodiments of this application may be applied to calibration of an intelligent vehicle or an electric vehicle. This helps improve intelligence of calibrating a to-be-calibrated device in a vehicle, thereby helping improve calibration efficiency.

Abstract: A method for filling carbide blades in cutter head by using a carbide blade cutter head filling device. The carbide blade cutter head filling device includes a feeding unit, a storage unit, a loading unit and a discharging unit which are arranged successively. The output end of the feeding unit is matched with the input end of the storage unit through the guide mechanism. The output end of the storage unit faces a conveying tray of the loading unit. The conveying tray is provided with a plurality of group of transition holes for accommodating blades. A receiving mechanism for accommodating a cutter head is arranged below the falling pull plate of the discharging unit. The falling pull plate adjusts the communication and isolation between the transition hole and the cutter head in the receiving mechanism by changing the relative position of the falling pull plate and the transition hole.

Abstract: The present invention relates to the technical field of processing of degradable materials, and in particular relates to a granulation processing method for a degradable material and a formed body prepared thereby. The method comprises: after a polyhydroxyalkanoate powder is melted, pre-crystallizing same at a temperature of 20-60° C. below the Tm of polyhydroxyalkanoate, and then extruding, crystallizing and granulating same. In the granulation processing method of the present invention, pre-crystallization is performed at a temperature of 20-60° C. below the Tm of polyhydroxyalkanoate, followed by extrusion, such that the crystallization speed can be accelerated online, non-sticky particles can be quickly obtained and the crystallization time is greatly shortened under the condition that no auxiliary agent is added, thereby facilitating transportation and subsequent processing.

Abstract: An integrated plugging and perforating operation system is provided, including an operation truck, a wellhead equipment pry, and a centralized control room. A mechanical mechanism and a power mechanism are arranged on a chassis of the operation truck. The mechanical mechanism includes a turntable assembly, where a telescopic arm assembly is installed on the turntable assembly, a mechanical arm assembly for logging operation is installed at an operating end of the telescopic arm assembly, and a logging winch assembly and a follow-up winch assembly are arranged at a counterweight end of the telescopic arm assembly to form a counter weight of the telescopic arm assembly. The power mechanism is configured for providing power output to the mechanical mechanism.

Abstract: The present application provides an insulation structure and an electronic device, where the insulation structure includes a first substrate, a first conductive body, and a first groove, the first substrate includes a first surface and a second surface oppositely disposed; the first conductive body is disposed on the first surface or second surface; the first groove is located on a same surface as the first conductive body and adjacent to the first conductive body; a surface of the first groove is provided with a first conductive layer, and the first conductive layer is electrically connected with the first conductive body. The insulation structure of the present application slows down the trend of potential line changes at the end of the first conductive body, reduces the electric field strength here, and improves the reliability of insulation.

Abstract: The motion data monitoring method includes: collecting, by an electronic device, an angular velocity signal and an acceleration signal of a user; obtaining, by the electronic device, a waveform feature of the angular velocity signal based on the angular velocity signal, and obtaining a waveform feature of the acceleration signal based on the acceleration signal; determining, by the electronic device, a gait feature of the user according to the waveform feature of the angular velocity signal and the waveform feature of the acceleration signal, where the gait feature includes a duration of flight from off-ground of a foot of the user to touching of the ground; and determining, by the electronic device, motion data according to the gait feature, where the motion data includes a jump height.

Abstract: This application provides an information processing method and apparatus, an electronic device, a computer program product, and a non-transitory computer-readable storage medium. The method includes: obtaining an information stream and a promotion video in response to a user trigger operation, the information stream including at least one piece of media information and the promotion video including at least one material to be recommended; and displaying, at a first area of an information stream interface, a first part of the promotion video in a presentation mode and displaying, at a second area of the information stream interface, a second part of the promotion video in a transparent mode, so as to enable the information stream interface to be revealed through the second area, the first area and the second area being dynamically changing areas.

Abstract: An injectable polyhydroxyalkanoate (PHA) microsphere and a preparation method thereof the method including the steps of: a) dissolving the PHA material in an organic solvent to obtain an oil phase; b) dissolving hyaluronic acid in water to obtain an aqueous phase; c) adding the oil phase to the aqueous phase dropwise with stirring, thereafter evaporating off the organic solvent under continuous stirring, and then carrying out solid-liquid separation and drying to obtain PHA microspheres. In the above method of the invention, the dispersion of PHA microspheres can be improved, and the resulting microspheres can be rapidly dispersed in water and the microspheres are complete in morphology, independent of each other, and there is no agglomeration phenomenon, so the needle can be prevented from being blocked and subsequent injection of the PHA microspheres as a filler is facilitated.

Abstract: The present invention relates to the technical field of high molecular materials, in particular to a polyhydroxyalkanoate molded body and a preparation method therefor. The preparation method comprises: mixing polyhydroxyalkanoate raw materials, processing same at a first temperature, and drawing same at a second temperature, wherein the first temperature is 10-60° C. higher than the melting point of a polyhydroxyalkanoate resin; the second temperature is higher than the glass transition temperature of a hydroxyalkanoate resin and lower than the melting point of the polyhydroxyalkanoate resin; and during the preparation process, under the condition of the second temperature, the following conditions need to be met: the draw ratio is 1.0 time or more, and the heating time at the temperature T is 30 s or more; or, the draw ratio is 3.0 times or more, and the heating time at the temperature T is 10 s or more.

Abstract: Embodiments of this application provide a method, an apparatus, and a system, which may be applied to the intelligent cockpit field. The apparatus includes a body having a first surface and a second surface, where a first function element is disposed on the first surface, a second function element is disposed on the second surface, and there is an included angle between the first surface and the second surface, so that when the first function element covers a first function area, the second function element covers a second function area. The foregoing solution can improve a reuse rate of a function element, reduce design costs and implementation difficulties, and improve operation experience of a user.

Abstract: Embodiments of this application provide a data collection method and system, and an apparatus, to improve effect of collecting information about an environment around a vehicle. The system includes: an image collection apparatus, including a camera and a drive component, where the drive component is configured to drive adjustment of a photographing angle of the camera, so that in an image collected by the camera, an included angle between a lower side line of a body side of the vehicle and a vertical direction is less than a first angle; and a control system, electrically connected to the image collection apparatus, and configured to send a first control instruction to the image collection apparatus, where the first control instruction is used to control the photographing angle of the camera.

Abstract: An on-vehicle connector unit, which is to be attached to a partition through which a cabin side and a vehicle body side are partitioned, comprises a case having a tubular part and a front surface plate part located at a front end of the tubular part, a circuit board accommodated in the tubular part, an interface connector that is mounted on the circuit board and connected to a connector of an electronic device on the cabin side, a rear surface cover that blocks a rear end of the tubular part, and an internal connector that is held by the rear surface cover and connected to a harness connector on the vehicle body side. The front surface plate part is provided with an opening through which the interface connector faces the cabin side, and drain holes communicating with the internal space of the tubular part.

Abstract: Cellulose nanofibers (CNF) act as a dispersing agent to directly exfoliate graphite in an aqueous solution using sonication. The resulting suspension has graphite flakes, each having 2-20 monolayers, a relatively large lateral dimension, and a plurality of CNF decorating its surfaces and edges. The dispersing effect of the CNF allows the graphite-CNF suspension to be stored without degradation until desired use. The graphite-CNF suspension can be used to form various composite structures, such as by spraying, coating, pouring, extruding, or printing the suspension, and then drying the suspension. The resulting composite structures have improved tensile strength and toughness due to hydrogen bond interactions between the CNF and graphite.

Abstract: A system can employ an atmospheric water harvesting (AWH) composite. The AWH composite can include a foam and a plurality of deliquescent particles. The foam can include an organic polymer. The foam can have pore size of at least 1 ?m. The deliquescent particles can be disposed on internal surfaces of the foam. The deliquescent particles can be formed of one or more hygroscopic materials. In operation, the AWH composite can be provided in an atmosphere having a relative humidity, such that water in the atmosphere is captured by the AWH composite. The captured water can be released by heating the AWH composite.

Abstract: A connector unit includes a cap that is attached to a connector housing and openably and closably covers an opening portion, the cap including an L-shaped arm made of an elastic material and having a support portion, a bent portion, and a hook portion, the cap being retained by the connector housing with the support portion being passed through a cap attachment hole of the connector housing, the support portion and the hook portion each have a thickness dimension smaller than a dimension of the cap attachment hole, a maximum dimension of the bent portion is larger than the dimension of the cap attachment hole, and the hook portion has a length dimension larger than the dimension of the cap attachment hole when viewed in a direction perpendicular to a plane including the support portion, the bent portion, and the hook portion.

Abstract: A connector unit includes a connector housing that has a front plate portion and two or more through-holes penetrating the front plate portion and communicating with an inside of the connector housing, two through-holes of the two or more through-holes are separately positioned at two vertexes, opposed to each other, of a rectangular surrounding an opening portion in the front plate portion, and when the connector unit is disposed, one of the two through-holes is situated on an upper side from the opening portion and serves as a cap attachment hole, and the other of the two through-holes is situated on a lower side from the opening portion and serves as a drain hole.

Abstract: The invention relates to the technical field of synthesis of a heterocyclic compound, and particularly discloses a method for preparing 2,4-diaminopyrimidine oxide. The method includes the steps of: cyclizing 3-oxopropionitrile with guanidine under an oxidizing condition to obtain 2,4-diaminopyrimidine oxide, wherein the 3-oxopropionitrile is obtained by oxidizing 3-hydroxypropionitrile, which is a cheap and easily available pharmaceutical chemical, as a raw material. The method of the present invention is green and mild, realizing the synthesis of Aminexil from a simple, cheap and easily available raw material.

Abstract: The disclosure provides crystalline forms for certain synthetic intermediates for making belzutifan, a HIF-2? inhibitor, useful for the treatment of cancer. The disclosure also provides processes for isolating the crystalline forms.