Abstract: A method of forming an apparatus comprises forming pillar structures extending from a base material. Upper portions of the pillar structures may exhibit a lateral width that is relatively greater than a lateral width of lower portions of the pillar structures. The method also comprises forming access lines laterally adjacent to the lower portions of the pillar structures and forming digit lines above upper surfaces of the pillar structures. Memory devices and electronic systems are also described.

Abstract: A physiological signal measurement device is disclosed. In some implementations, the physiological signal measurement device includes a fixing element, a rack, a first sensor, and a second sensor. The fixing element is configured to be fixed on a limb of a user. The rack is configured to engage the fixing element and includes a first end and a second end distal to the first end. The first sensor is disposed on the first end of the rack. The sensor is disposed on the second end of the rack. The first end of the rack has a first stiffness, the second end of the rack has a second stiffness, and the first stiffness is higher than the second stiffness.

Abstract: The present application discloses a method for modifying an internal configuration of a virtual machine, a system and a device, wherein the method is applied to a virtual machine installed with a proxy service therein, and the proxy service is configured for, after the proxy service itself is started up, sending a datum request to a preset IP address via a virtual network card corresponding to the virtual machine. The method includes, when there is a target virtual network card sending a datum request to the preset IP address, according to a predetermined corresponding relation between virtual network cards and virtual machines, determining a target virtual machine corresponding to the target virtual network card; from a database, obtaining target configuration data corresponding to the target virtual machine.

Abstract: The present invention provides scaffolded antigens that have demonstrated improved biochemical and immunogenic properties. The invention also provides engineered SARS-CoV-2 immunogens that contain a modified receptor-binding domain (RBD) sequence. Also provided in the invention are vaccine compositions that contain the scaffolded antigens, including the engineered RBD polypeptides that are fused to the scaffold proteins described herein. The invention also provides methods of using such vaccine compositions in various therapeutic applications, e.g., for preventing or treating SARS-CoV-2 infections.

Abstract: The present invention provides an electrocardiographic monitoring device comprising a device body configured to be attached to a user's chest; a plurality of electrodes provided on the device body; and a controller provided on the device body and connected to the electrodes in order to obtain the user's electrocardiographic signal waveforms. The electrocardiographic monitoring device of the invention can be applied in a blood pressure monitoring system for monitoring a user's blood pressure.

Abstract: The embodiment of the present invention discloses an anti-drowning safety alarm method and device for swimming pools. Acquiring images taken by multiple cameras; inputting the images into a target detection model to detect human bodies and heads, so as to obtain human body target detection boxes and human head target detection boxes; calculating the relationship between the human heads and the human bodies according to these boxes; performing multi-camera fusion on the human body target detection boxes and the human head target detection boxes to obtain the human body boxes and head boxes; determining the relative position relationship between the human bodies or the human heads and the water surface; calculating the correlation between the bounding box sequence at the current moment and that at the previous moment to obtain the human tracking trajectory; updating the state database; generating alarm information according to the state database.

Abstract: The embodiment of the present invention discloses an anti-drowning safety alarm method and device for swimming pools. Acquiring images taken by multiple cameras; inputting the images into a target detection model to detect human bodies and heads, so as to obtain human body target detection boxes and human head target detection boxes; calculating the relationship between the human heads and the human bodies according to these boxes; performing multi-camera fusion on the human body target detection boxes and the human head target detection boxes to obtain the human body boxes and head boxes; determining the relative position relationship between the human bodies or the human heads and the water surface; calculating the correlation between the bounding box sequence at the current moment and that at the previous moment to obtain the human tracking trajectory; updating the state database; generating alarm information according to the state database.

Abstract: An enzymatic extraction agent, as well as methods, compositions and kits for detecting Group A Streptococcus in a biological sample, which involve the enzymatic agent, are described.

Abstract: This application discloses a wireless communication apparatus and a signal processing method. The wireless communication apparatus includes a power amplifier and a bias circuit. The power amplifier includes a signal input port, a signal output port, a power supply port, and a bias port. The power amplifier is configured to: receive a power supply signal through the power supply port, receive a bias signal through the bias port, receive a radio frequency signal through the signal input port, and output a power amplified radio frequency signal. The bias circuit is configured to generate the bias signal. A timing feature of the bias signal is synchronized with a timing feature of a switch signal of a power amplifier, to compensate for a nonlinear change in the TDD scenario.

Abstract: The invention utilizes swelling and fusion effects of graphene oxide in a solvent to implement cross-linked bonding of a graphene material itself and materials such as polymers, metal, paper, glass, carbon materials, and ceramics. The present invention not only overcomes the shortcoming in traditional adhesives of residual formaldehyde, but also has short drying time, high bonding strength and high corrosion resistance. The present invention is widely applied in the fields of aviation, aerospace, automobiles, machinery, construction, chemical, light industry, electronics, electrical appliances, and daily life, etc.

Abstract: The present invention discloses a polyimide-based composite carbon film with high thermal conductivity and a preparation method therefor. The preparation method includes: uniformly coating the surface of a polyimide-based carbon film with an aqueous graphene oxide solution, and then covering the same with another polyimide-based carbon film uniformly coated with an aqueous graphene oxide solution; repeating such operation; after the polyimide-based carbon films are dried, bonding the polyimide-based carbon films by means of graphene oxide so as to form a thick film; bonding the polyimide-based carbon films more tightly by means of further low-temperature hot pressing; and finally, obtaining a thick polyimide-based carbon film with high thermal conductivity by repairing defects by means of low-temperature heating pre-reduction and high-temperature and high-pressure thermal treatment.

Abstract: The present invention provides a dynamic measurement device with a blood pressure determination function, comprising: a heartbeat sensing module disposed on the chest area of a user wherein the heartbeat sensing module comprising a heart sound sensor for obtaining heartbeat signals; a pulse sensing module disposed on a limb area of the user, the pulse sensing module comprising a pulse wave sensor for obtaining pulse signals; and a data calculating module for calculating a mean arterial pressure and a value of systolic blood pressure and diastolic blood pressure based on the heartbeat signals and pulse signals. In addition to dynamically monitoring the blood pressure of a user for 24 hours, the present invention can dynamically monitor the heart sounds of the user for 24 hours individually in order to monitor user's physical condition. Therefore, the present invention has important medical meanings.

Abstract: A method for manufacturing a circuit board circuit board for transmitting high-frequency signal, including: providing a first-line circuit board (20), a second circuit board (40), at least one third circuit board (50), a fourth circuit board (60), a fifth circuit board (61), and a sixth circuit board (62); stacking the first circuit board (20), the second circuit board (40), and third circuit board (50) in that order, and stacking the fourth circuit board (60), the sixth circuit board (62), and the fifth circuit board (61) on the third circuit board (50), and pressing them together to obtain the circuit board circuit board for transmitting high-frequency signal. The method manufacturing the circuit board circuit board for transmitting high-frequency signal can reduce a width of the transmission line. The present disclosure further provides the circuit board circuit board for transmitting high-frequency signal obtained by the above method.

Abstract: An application of honokiol and magnolol in preparation of an MCR-1 enzyme inhibitor, provides a novel medical application of the honokiol and the magnolol in the preparation of the MCR-1 enzyme inhibitor. The honokiol and the magnolol can inhibit the activity of MCR-1 enzymes and restore the bactericidal activity of polymyxin to MCR-1 Enterobacteriaceae. In vivo experiments, the honokiol and the magnolol combined with polymyxin have a good therapeutic effect on bacterial infection expressing MCR-1, especially infections caused by MCR-1 positive Enterobacteriaceae, and have wide medical applications.

Abstract: Methods, compositions and kits for detecting Group A Streptococcus in a biological sample are described. More particularly, the present disclosure provides an immunoassay in which the specificity of detection of Group A Streptococcus is enhanced by addition of N-acetyl-D-glucosamine. These methods, compositions and kits are useful in convenient, reliable and early diagnosis of streptococcal infection in a human subject.

Abstract: The cryostat may include an inner vessel configured to accommodate one or more superconducting coils, an outer vessel encompassing the inner vessel, and a thermal shield configured between the outer vessel and the inner vessel. The thermal shield may include an internal cylinder having a first end and an external cylinder encompassing the internal cylinder, the external cylinder having a second end. The thermal shield may also include a seal head configured between the internal cylinder and the external cylinder, the seal head having a first edge and a second edge. The thermal shield may further include a connecting component including a plurality of connectors. Each of the plurality of connectors may be configured to connect the first end of the internal cylinder with the first edge of the seal head and/or the second end of the external cylinder with the second edge of the seal head.

Abstract: The present invention relates to biaryl monobactam compounds of Formula I: and pharmaceutically acceptable salts thereof, wherein X, Y, Z, A1, Q, A2, M, W, RX and Rz are as defined herein. The present invention also relates to compositions which comprise a biaryl monobactam compound of the invention or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier. The invention further relates to methods for treating a bacterial infection comprising administering to the patient a therapeutically effective amount of a compound of the invention, either alone or in combination with a therapeutically effective amount of a second beta-lactam antibiotic.

Abstract: The present invention relates to a gantry of a CT scanning device comprising: a first housing having a first bore; a second housing having a second bore, disposed opposite to the first housing, wherein there is a gap between the first bore and the second bore, as a ray scanning bore; a scan window assembly comprising an annular window body having an inner surface and an outer surface, the scan window assembly being engaging-locked with the first housing and the second housing and sealing and covering the ray scanning bore. In this way, the engaging-lock can restrict deformation of the annular window body when an external force is applied on the scan window assembly, and the sealing can prevent liquid in the first and second housing from leaking out and prevent liquid inside the scan window assembly from leaking into the first and second housing.

Abstract: A circuit board includes first circuit substrate and second circuit substrate; first circuit substrate includes: a first base layer arranged on the first circuit layer and a plurality of first conductive bodies on the substrate layer; the first circuit layer includes a hot pressing area and a non-hot pressing area except the hot pressing area. One end of the first conductive body is electrically connected to the hot pressing area and the other end is exposed to the first base layer; second circuit substrate includes: a second base layer, a second base layer arranged on the second circuit layer and a plurality of second conductive bodies; one end of the second conductive body is electrically connected to the second circuit layer, and the other end is exposed on the second base layer; The body is electrically connected to the second conductive body.