Abstract: The present invention relates to a flame-retardant nylon composite and use thereof, including components: 55 parts to 80 parts of a nylon resin; 1 part to 30 parts of a red phosphorus; and 0.01 part to 2 parts of a phenolic substance. According to the present invention, by adding a small amount of the phenolic substance to the red phosphorus flame-retardant nylon composite, phosphorus precipitation can be effectively inhibited, and a phosphine precipitation amount can be reduced to 30 ppm or less, while good electrical performances can be maintained, which is applicable in fields of connectors, contactors, etc. in electronic appliances.

Abstract: Disclosed are an application of a coronavirus SARS-CoV-2 vaccine polypeptide, a polypeptide composition and a nanoemulsion preparation thereof in the prevention of coronavirus SARS-CoV-2 wild and mutant strain infections. Specifically, provided is a coronavirus SARS-CoV-2 vaccine polypeptide having an amino acid sequence derived from an S protein of SARS-CoV-2 wild and mutant strains, the vaccine polypeptide can enable the body to generate high-level and durable humoral immune responses against SARS-CoV-2 and to produce high titers of RBD-binding antibodies and neutralizing antibodies that block the binding of RBD to ACE2. The vaccine polypeptide can be used to prevent infections of SARS-CoV-2 wild strain and B.1.1.7, B.1.351, B.1.617, B.1.1.529 and other mutant strains.

Abstract: Provided are an information feedback method and device, an information receiving method and device, and a storage medium. The information feedback method includes the following. Configuration information from a first communication node is received. Precoding matrix information is determined according to the configuration information, where a target frequency band of the precoding matrix information is determined through indication information of a precoding matrix information subband, and the precoding matrix information subband is determined according to the configuration information. The precoding matrix information is fed back to the first communication node.

Abstract: An expansion reinforcing plate and a paving method therefor, the expansion reinforcing plate comprising plates and an elastic inserting strip assembling structure; the elastic inserting strip assembling structure comprises expansion reinforcing connecting strips A (1), expansion reinforcing connecting strips B (2) and expansion reinforcing connecting strip assembling groove structures (3); the expansion reinforcing connecting strips A (1) are inserted into the expansion reinforcing connecting strip assembling groove structures (3) of two adjacent plates; the expansion reinforcing connecting strips A (1) of every two adjacent plates are jointly connected with the expansion reinforcing connecting strips B (2); the expansion reinforcing connecting strips B (2) make contact with the expansion reinforcing connecting strips A (1) on the two sides for reaction, so that the expansion reinforcing connecting strips A (1) and the expansion reinforcing connecting strips B (2) expand and are fixedly connected, and then th

Abstract: The present disclosure provides monoclonal antibodies against protein programmed cell death 1 ligand (PD-L1), which can block the binding of PD-L1 to PD-1, and therefore block the inhibitory function of PD-L1 on PD-1 expressing T cells. The antibodies of disclosure provide very potent agents for the treatment of multiple cancers via modulating human immune function.

Abstract: Provided is a method for preparing a hard carbon anode of a lithium/sodium ion battery by biochar, which includes the following steps: S1 biochar pretreatment, S2, preparing a precursor material and S3 pyrolysis carbonization, by a modification of the biochar, setting carbonization temperature and carbonization time, and controlling a cooling rate, so that the obtained biochar generates amorphous carbon after carbonization with low graphitization degree, few surface defects, larger charge-discharge specific capacity, and stable performance in the cycle charging and discharging process; at the same time, the process of the application is relatively simple, and a special complex process is reduced; the present method is suitable for a large-scale industrial production without special adjustment or control of a morphology; and the product performance is relatively good and thus has certain competitive advantages.

Abstract: Disclosed is a power supply method for an intrinsically-safe gas chromatograph.

Abstract: A driving method for an electronic paper display device is provided, belongs to the field of display technology, and can solve the problem of ghost in the existing electronic paper display device. A driving stage of the electronic paper display device includes a first shaking stage including a first sub-shaking stage; the balance stage is before the display stage. The method includes: based on a to-be-displayed image, applying first, second and third driving signals to first electrodes in macrostructures to display black, white and red, respectively; applying a voltage signal to the second electrodes, the voltage signal includes an alternating second pulse signal in which positive, zero and negative voltages are sequentially alternated in the first sub-shaking stage; the first and second pulse signals are equal in an absolute value of an active voltage and are opposite to each other in voltage polarity.

Abstract: Embodiments of the present disclosure generally relate to apparatus, systems, and methods for in-situ film growth rate monitoring. A thickness of a film on a substrate is monitored during a substrate processing operation that deposits the film on the substrate. The thickness is monitored while the substrate processing operation is conducted. The monitoring includes directing light in a direction toward a crystalline coupon. The direction is perpendicular to a heating direction. In one implementation, a reflectometer system to monitor film growth during substrate processing operations includes a first block that includes a first inner surface. The reflectometer system includes a light emitter disposed in the first block and oriented toward the first inner surface, and a light receiver disposed in the first block and oriented toward the first inner surface. The reflectometer system includes a second block opposing the first block.

Abstract: The system comprises: control servers, transport robots, and workstations, the workstations comprising working areas and waiting areas. The control servers are configured to determine a target container to be transported, a first transport robot and a second transport robot that transport the target container, and a target workstation that operates the target container in response to a system task, plan walking paths for the first transport robot and the second transport robot, and send transport instructions to the first transport robot and the second transport robot. The first transport robot is configured to transport the target container from a storage area to a waiting area of the target workstation according to a planned walking path in response to a transport instruction, place same in the waiting area of the target workstation, and wait to execute other transport instructions.

Abstract: Embodiments provide an ear pad having an annular structure. The ear pad includes an inner layer and an outer layer covering the inner layer. The inner layer and the outer layer are separate of annular structures and are separated by a first medium layer. The inner layer coats a second medium layer. Acoustic impedance of the first medium layer is different from acoustic impedance of the inner layer and the outer layer. The ear pad is configured to close a front cavity space between a housing and an ear of a user, thereby preventing sound leakage and reducing external noise entering the ear of the user. Various ear pad embodiments provide a double-layer structure including the inner layer and the outer layer separated by the first medium layer.

Abstract: Disclosed in the present disclosure are a motion data collection device, method and apparatus, and a wearable device. The motion data collection device comprises: a fixed portion configured to be fixed on a part of a moving object to be detected; and a collector movably mounted on the fixed portion, wherein the collector comprises a processor, a detection pin group connected to the processor, and a first identification position arranged on a surface of the collector and corresponding to the position of the detection pin group; the fixed portion is provided with a plurality of probe groups, and a plurality of second identification positions arranged corresponding to the positions of the probe groups in a one-to-one correspondence; after the collector is mounted on the fixed portion, when the detection pin group is connected to different probe groups, different detection signals are detected.

Abstract: A magnetic confinement fusion reactor includes a host hall, and a host including a Dewar system, a cold shield system, a superconducting magnet system, a vacuum chamber system, a divertor system, a blanket system, a remote operation system, and a maintenance system. The superconducting magnet system includes a central solenoid magnet, a poloidal field magnet, and a toroidal field magnet. The central solenoid magnet is configured to provide necessary volt-seconds. The poloidal field magnet is configured to generate a poloidal magnetic field. The toroidal field magnet is configured to generate a toroidal magnetic field. The plasma is confined by the toroidal magnetic field and the poloidal magnetic field. The vacuum chamber system is provided with a neutron shielding block to protect the superconducting magnets from being damaged by fusion neutrons.

Abstract: Disclosed are an unmanned distribution system and method. By means of the system, a temporary storage facility can be arranged at a preset location of a closed distribution area, for example, a corresponding temporary storage facility is arranged near a closed housing estate, community or unit; an external item to be distributed that needs to be distributed is received and temporarily stored by the arranged temporary storage facility; and a robot arranged inside the closed distribution area can obtain the item to be distributed from the temporary storage facility and distribute the item to be distributed within the closed distribution area.

Abstract: The present invention relates to the technical field of fire extinguishing equipment, and in particular, relates to a multi-mode starting dry powder fire extinguishing ball for fire alarm and automatic starting of a fire extinguishing device, comprising a ball body. A fire extinguishing medium is provided in the ball body; the ball body is also provided with a driving device for enabling the inside of the ball body to expand to the explosion thereof after being started; the driving device is provided with a first lead which extends to the outside of the ball body and can enable the driving device to start after being heated; the driving device is also provided with a second lead which extends to the outside of the ball body and can enable the driving device to start after being powered on.

Abstract: Disclosed is a charging barrel of an infrared dehumidification, crystallization and drying all-in-one machine and a drying machine. The cross section of the charging barrel is in the shape of a polygon, and the side number of the polygon is larger than the side number of a pentagon; an opening is formed in one end, as a feeding end, of the charging barrel; each plate surface forming the polygonal charging barrel comprises a middle plate part, as well as a first closing-up plate part and a second closing-up plate part which are arranged at the two ends of the middle plate part; the first closing-up plate part and the second closing-up plate part form obtuse angles with the middle plate part and are closed up towards the middle; a discharge hole is formed in the side wall of the charging barrel.

Abstract: Provided are an uplink transmission method and device. The uplink transmission method is applied to a first communication node and includes: receiving a downlink reference signal sent by a second communication node and acquiring downlink channel information; sending an uplink reference signal by using the downlink channel information; monitoring downlink control signaling sent by the second communication node, where the downlink control signaling includes a sub-band SRS resource indication; and sending an uplink transmission channel according to scheduling of the downlink control signaling.

Abstract: A building controller receiving base for receiving a building controller. The building controller may include a building controller housing that houses a building controller electrical connector that includes a spring contact extending outside of the building controller housing. The building controller receiving base includes a base housing including one or more attachment features for releasably securing the building controller to the base housing, and a base electrical connector housed by the base housing. The base electrical connector includes a spring contact extending outside of the base housing at a location that is aligned with the spring contact of the building controller electrical connector when the building controller is secured to the base housing via the one or more attachment features. The base electrical connector further comprises a first terminal pin that extends outside of the base housing and is accessible from outside of the base housing.

Abstract: An article package filling method, comprising: selecting a packaging container for an order article in an order container; picking out the order article from the order container and putting same into the packaging container; and injecting a filling medium into a filling space of the packaging container by using a filling equipment, wherein the filling medium has a specific shape before being injected into the filling space, and can form a spatial shape consistent with that of the filling space after being injected into the filling space. According to the filling method, various specifications or types of packaging containers storing the order articles can be filled, so that the supporting and protecting effects on the order articles are implemented, and the package filling efficiency and applicability are improved.

Abstract: The present disclosure provides an ultra-high temperature resistant cement slurry system for cementing and the preparation method and use thereof. The cement slurry system comprises cement, an ultra-high temperature strength stabilizer, an ultra-high temperature reinforcing material, a density regulator, an ultra-high temperature suspension stabilizer, a dispersant, a fluid loss additive, a retarder, a defoaming agent and water, wherein the ultra-high temperature suspension stabilizer comprises an ether-based starch, an aluminosilicate and a polyalcohol polymer. The method for preparing the cement slurry system includes dry mixing and wet mixing raw materials homogeneously, respectively, and then homogeneously mixing the dry mix and wet mix to obtain the cement slurry system. The present disclosure further provides use of the cement slurry system for cementing in deep wells and ultra-deep wells at high and ultra-high temperatures.