Abstract: Disclosed are a cathode active material for sodium-ion batteries and a preparation method therefor and an application thereof. The cathode active material has a chemical formula of NaxNiyFezMngMhAmO2, where M is selected from the group consisting of Ti, Al, Mg, Ca, Zr, Y, Zn, Nb, W and combinations thereof, A is selected from the group consisting of B, P, C and combinations thereof, 0.80?x?1.40, 0.05?y?0.95, 0.05?z?0.95, 0.05?g?0.95, 0.01?h?0.50, and 0.01?m?0.30. By adding M and A elements to the ternary iron-manganese-nickel cathode active material for sodium-ion batteries, and controlling the ratio of all elements, the present disclosure can achieve the formation of a perfect layered single-crystal structure of the cathode active material for sodium-ion batteries, with large particles, ultimately achieving the stability of the active material, and when used in sodium-ion batteries, it can significantly improve the cycling performance at high temperatures while ensuring high gram capacity.

Abstract: The present application relates to the technical field of allocating the SIM resource, and provides a method and a system for allocating a SIM card resource, a terminal device and a storage medium, including acquiring a SIM card resource allocation request of a requesting terminal, and determining candidate SIM card resource sharing information corresponding to the SIM card resource allocation request; determining a target SIM card resource sharing information from the candidate SIM card resource sharing information, and acquiring a target terminal corresponding to the target SIM card resource sharing information; establishing a SIM card resource transmission channel between the target terminal and the requesting terminal; and allocating a SIM card resource corresponding to the target terminal to the requesting terminal through the SIM card resource transmission channel. The present application avoids the waste of SIM card resource by reallocating SIM card resource.

Abstract: The present disclosure is applicable to the technical field of communications, and provides a method of determining a shared service index based on a shared service of communication credential, including: obtaining operating parameters of communication credentials for providing shared communication services in a shared service period; determining shared service indexes for the communication credentials according to the operating parameters; and generating recommendation information of the communication credentials according to the shared service indexes of all communication credentials. In the embodiments of the present disclosure, the shared service indexes are used to quantify qualities of the shared services of the communication credentials, and the recommendation information is generated according to the shared service indexes, in this way, the recommendation information may intuitively show a difference among the qualities of shared services provided by the communication credentials.

Abstract: An apparatus for forming a plurality of microdroplets from a droplet includes a substrate, a dielectric layer on the substrate and having a plurality of hydrophilic surface regions spaced apart from each other by a hydrophobic surface, and a plurality of electrodes covered by the dielectric layer. The electrodes are configured to form an electric field across the droplet in response to voltages provided by a control circuit to move the droplet across the dielectric layer in a lateral direction while leaving portions of the droplet on the hydrophilic surface regions to form the plurality of microdroplets on the hydrophilic surface regions.

Abstract: Disclosed herein is a device comprising a PHA based copolymer layer comprising at least one of an electrospun ribbon of fibers of a polyhydroxyalkanoate based copolymer or the polarized polymeric composition obtained by the process of claim 1, wherein the layer is configured to exhibit one or more of a piezoelectric effect, a pyroelectric effect and a ferroelectric effect, wherein each of the electrospun ribbon of fibers and the polarized polymeric composition comprises a ?-form of the PHA based copolymer present in an amount of from about 10% to about 99%, as measured by x-ray diffraction. The device can be configured for use as a sensor, a actuator, a nanomotor, or a biobattery.

Abstract: The present invention relates to a tetracyclic derivative, a method for preparing same and the use thereof in medicine. In particular, the present invention relates to a tetracyclic derivative represented by general formula (I), a method for preparing same and a pharmaceutically acceptable salt thereof, and the use thereof as a therapeutic agent, especially as a K-Ras GTPase inhibitor, with definitions of each substituent in general formula (I) being the same as of which are defined in the description.

Abstract: Examples of a holding device for retaining an installable component in a chassis of a computing device are described. In one example, the holding device may comprise a longitudinally extending first arm, and a movably coupled second arm. The holding device may further comprise a first engaging portion at first end of the holding device, and a second engaging portion at the second end of the holding device. The engaging portions may couple the holding device to the chassis of the computing device. Furthermore, the holding device may comprise a gripping member. The gripping member is to securely retain the installable component within the chassis of the computing device, and is movable across the length of the holding device.

Abstract: The present disclosure provides a high temperature, flame resistant and flexible coating composition based on alkali silicate and fluoropolymers. The coating can be used to bond a surface of a non-woven mat and seal the edges. The coating composition can be applied using a coating method on the surface and the edges of, for example, an inorganic fiber based non-woven mat.

Abstract: Provided are a macrolide derivative represented by formula (I), a preparation method thereof, and an application of the macrolide derivative as an inhibitor of one or more protein kinases of TRK, ALK and ROS1,

Abstract: Non-natural sugars modified with a bioorthogonal reactive group are added into a culture medium of immune cells such as NK cells to obtain immune cells modified with the bioorthogonal reactive group; and then, under a physiological condition, a targeting ligand, for example, a nanobody, is modified to a surface of each of the immune cells through a bioorthogonal reaction, wherein the targeting ligand has one terminal with a bioorthogonal reactive pairing group which is capable of being matched and connected with the bioorthogonal reactive group to generate a connecting reaction, connection is implemented by a transpeptidase SrtA-mediated chemoenzymatic method. The targeting ligand highly specifically recognizes and binds to a highly expressed receptor on the surface of tumor cells. The immune cell modified with the targeting ligand can specifically bind in a targeted way to the tumor cells, therefore generating cytokines, killing and damaging tumor cells.

Abstract: A device and method for collaborative servo control of motion vision of a robot in an uncalibrated agricultural scene is provided. The device includes a robot arm, a to-be-gripped target object, an image sensor and a control module. An end of a robot arm is provided with a mechanical gripper, and a to-be-gripped target object is within a grip range of the robot arm. A control module drives the mechanical gripper to grip the to-be-gripped target object, and controls an image sensor to perform image sampling on a process of gripping the to-be-gripped target object by the robot arm. The image sensor sends sampled image data to the control module. The device does not need to perform precise spatial calibration on the to-be-gripped target object and the related environment in the scene. The robot arm is guided to complete the gripping task according to trained networks.

Abstract: A liquid cooling radiator based on a working medium capable of liquid-liquid phase separation includes a cooling fan, a micro liquid pump, a mixing pipe and a heat exchanger which are connected in sequence via a plastic tube. The liquid cooling radiator uses a solution capable of liquid-liquid phase separation at a lower critical separation temperature as a working medium, and is sealed after filling the solution into pipelines of the liquid cooling radiator. By replacing a working medium of the active CPU liquid cooling radiator, a heat dissipation performance in a limited space under a condition of a same pump power consumption, is greatly improved, a viscosity of the working medium in a heat-carrying state is reduced to decrease a flow resistance, which realizes both an enhancement of heat transfer and a reduction of flow resistance.

Abstract: Curable compositions include at least one fluoropolymer, at least one monofunctional (meth)acrylate, at least one difunctional (meth)acrylate, and at least one initiator. The curable composition, when cured, forms an optically-scattering layer including a matrix and phase separated microdomains. The matrix and the phase separated microdomains have different refractive indices, and the microdomains are on the order of or larger than the wavelengths of visible light.

Abstract: A waveguide adapter for, e.g., a wideband or multiband communication feeder assembly can include first and second waveguides for carrying polarized signals. A first turnstile junction is connected with the first waveguide, configured to convert the first polarized signal from the first waveguide into linearly polarized signals that can be passed along linear waveguides. Each one of the linear waveguides has a common effective length, and the linear waveguides diverge from the first turnstile junction and converge at a second turnstile junction operably connected with the second circular waveguide. The linear waveguides can be flexible or rigid, and can be bent to accommodate routing around various components of the communication system, as well as to facilitate a change in orientation as between the second waveguide and the first waveguide.

Abstract: Methods and information handling systems for managing at least one of storage of data to or access to data from a plurality of cloud storage drives coupled to user devices over a network. An information handling system includes a processing device and a memory that stores one or more program modules executable by the processing device to receive a request to store data from a user device, the request may lack information pertaining to where to store the data, to determine which of the cloud drives of the plurality of cloud drives will store the data in and to save the data to the cloud drive based on the determination.

Abstract: Disclosed herein is a device comprising a PHA based copolymer layer comprising at least one of an electrospun ribbon of fibers of a polyhydroxyalkanoate based copolymer or the polarized polymeric composition obtained by the process of claim 1, wherein the layer is configured to exhibit one or more of a piezoelectric effect, a pyroelectric effect and a ferroelectric effect, wherein each of the electrospun ribbon of fibers and the polarized polymeric composition comprises a ?-form of the PHA based copolymer present in an amount of from about 10% to about 99%, as measured by x-ray diffraction. The device can be configured for use as a sensor, a actuator, a nanomotor, or a biobattery.

Abstract: A high-profile electrical connector includes a terminal module, a metallic shell and a metallic supporting member. The terminal module has an insulative housing and a plurality of conductive terminals. The insulative housing has a base portion provided with a mounting face and an insulative mating portion. The conductive terminals have contacting portions and connecting legs. The metallic shell shielding around the terminal module has a metallic mating portion surrounding around the insulative mating portion and a plurality of printed circuit board mounting legs. The metallic mating portion has a lower face which is higher than the mounting face. The metallic supporting member has a supporting plate used for supporting the lower face and at least a supporting leg extending downwardly. The supporting plate is higher than the mounting face so that the supporting plate is spaced from an upper surface of the printed circuit board.

Abstract: A high-profile electrical connector includes a terminal module, a metallic shell and a metallic supporting member. The terminal module has an insulative housing and a plurality of conductive terminals. The insulative housing has a base portion provided with a mounting face and an insulative mating portion. The conductive terminals have contacting portions and connecting legs. The metallic shell shielding around the terminal module has a metallic mating portion surrounding around the insulative mating portion and a plurality of printed circuit board mounting legs. The metallic mating portion has a lower face which is higher than the mounting face. The metallic supporting member has a supporting plate used for supporting the lower face and at least a supporting leg extending downwardly. The supporting plate is higher than the mounting face so that the supporting plate is spaced from an upper surface of the printed circuit board.

Abstract: An electrical connector comprises a first terminal module, a second module and a shell. The first terminal module has a first insulator and a plurality of first terminals embedded in the first insulator. The first insulator has a first vertical portion, a first horizontal portion and a first tongue plate. The second terminal module has a second insulator and a plurality of second terminals embedded in the second insulator. The second insulator has a second vertical portion, a second horizontal portion and a second tongue plate. The second vertical portion and the second horizontal portion are separated from each other, and the second terminal connects the second vertical portion with the second horizontal portion.

Abstract: An electrical connector comprises a first terminal module, a second module and a shell. The first terminal module has a first insulator and a plurality of first terminals embedded in the first insulator. The first insulator has a first vertical portion, a first horizontal portion and a first tongue plate. The second terminal module has a second insulator and a plurality of second terminals embedded in the second insulator. The second insulator has a second vertical portion, a second horizontal portion and a second tongue plate. The second vertical portion and the second horizontal portion are separated from each other, and the second terminal connects the second vertical portion with the second horizontal portion.