Abstract: A display device is provided, including: a back plate; a plastic frame connected to the back plate; a backlight module; a privacy film on a light emitting side of the backlight module; and a dimming sheet on a side of privacy film away from the back plate, wherein the dimming sheet is configured to be capable of adjusting a viewing angle of the display device. The plastic frame includes a first surface and a side end face, the first surface is a surface of the plastic frame close to the dimming sheet, the side end face is a side face of the plastic frame close to the dimming sheet, the plastic frame further includes a chamfered portion at a transition position between the side end face and the first surface, and the chamfered portion has a rough surface that is configured for diffracting the light incident on the chamfered portion.

Abstract: A scalable method for producing DNA/polycation particles having an optimal, defined particle size with multiple virus assembly plasmids for efficient transfection of viral production cells in suspension cultures. The presently disclosed DNA/polycation particles yield superior and reproducible transfection activity and shelf stability in the suspension form and can be used as an off-the-shelf product. The presently disclosed DNA/polycation particle formulation can potentially simplify and streamline the viral manufacturing process and improve production quality and consistency.

Abstract: Methods for preparing nucleic acid/lipid particles of an optimum particle size for efficient transfection of cells in vitro and in vivo local transfection are provided. The method is based on kinetic control of the nucleic acid/lipid nanoparticle assembly to prepare shelf-stable particles with defined sizes between about 50 nm and 1200 nm. The size-dependent characteristics of the nucleic acid/lipid particle-mediated transfection for the size range between 50 nm and 1200 nm also is provided.

Abstract: Disclosed are the optimal composition and size of DNA/polycation particles for efficient transfection of viral production cells in both adherent and suspension cultures. The size-dependent feature of DNA/polycation particle-mediated transfection for particles between 50 nm and 1000 nm also is disclosed. A new scalable method based on kinetic control of DNA/polycation nanoparticle assembly to prepare shelf-stable particles with defined sizes between 50 nm and 1000 nm also is disclosed. The presently disclosed DNA/polycation particles yield superior and reproducible transfection activity and shelf stability and can be used as an off-the-shelf product.

Abstract: A tuning method for a collimator of a CT machine, which, in each cycle of X-ray scan operation and stop, may include determining whether an X-ray is generated from the anode plate; calculating the Z-direction heating displacement of the slot plate during the current scan based on a detected X-ray, driving the slot plate to move by the heating displacement in the Z-direction, calculating the total Z-direction heating displacement of the slot plate at the end of the current scan, calculating the cooling displacement of the slot plate during the current stop based on the stop time of the X-ray, and driving the slot plate to move.

Abstract: A detection apparatus may include: An emitting component (301) emits a first beam. A light splitting component (3021) changes an optical path of a return optical signal from a detection region to obtain a first return optical signal and a second return optical signal, propagates the first return optical signal to a first detection component (3022), and propagates the second return optical signal to a second detection component (3023). The first detection component (3022) detects the first return optical signal to obtain a first electrical signal. The second detection component (3023) detects the second return optical signal to obtain a second electrical signal. The first electrical signal and the second electrical signal are for determining distance information of a target.

Abstract: The present disclosure provides for improving security in a meter or an intelligent electronic device (IED) through the use of a security key which is unique to each meter or IED. Such a key may be used to prevent password reuse among multiple meters. Such a key may also be used to encrypt critical components of the software, such that only when running on the correct meter can the components of the software be decrypted. Such a key may also be used to uniquely identify the device in a larger data collection and management system. The security key can also be used to prevent the direct copying of meters. The present disclosure also provides for a meter or IED that stores functional software separately from core software.

Abstract: A bispecific tetravalent antibody having a binding specificity to a human epithelium growth factor receptor (EGFR), comprising, from N terminus to C terminus, a Fab region having a first binding specificity to human EGFR, wherein the Fab region comprises a variable region having an amino acid sequence having at least 90% of sequence identity to the sequences as disclosed herein; a Fc domain, and a scFv domain having a second binding specificity to HER3.

Abstract: A method of preventing, reducing a risk of, or treating a virus infection, or preventing or treating a symptom caused by the virus in a subject, said method comprising administering to said subject an effective amount of a fusion protein, wherein the fusion protein comprises a variant angiotensin converting enzyme 2 (ACE2) domain covalently fused to a Fc domain. The variant ACE2 domain comprises a N-terminal deletion, a C-terminal deletion, or both, relative to a full-length wildtype ACE2 having a SEQ ID NO. 1, and the variant ACE2 domain has ACE2 activity. The virus may be SARS-CoV, SARS-CoV-2, or MERS-CoV. The symptom comprises Severe Acute Respiratory Syndrome (SARS), Middle East Respiratory Syndrome (MERS), Acute Respiratory Distress Syndrome (ARDS), Pulmonary Arterial Hypertension (PAH), or Coronavirus Disease 2019 (COVID-19).

Abstract: The present disclosure provides for improving security in a meter or an intelligent electronic device (IED) through the use of a security key which is unique to each meter or IED. Such a key may be used to prevent password reuse among multiple meters. Such a key may also be used to encrypt critical components of the software, such that only when running on the correct meter can the components of the software be decrypted. Such a key may also be used to uniquely identify the device in a larger data collection and management system. The security key can also be used to prevent the direct copying of meters. The present disclosure also provides for a meter or IED that stores functional software separately from core software.

Abstract: A fusion protein, comprising a variant angiotensin converting enzyme 2 (ACE2) domain covalently fused to a Fc domain. The variant ACE2 domain has a N-terminal deletion, a C-terminal deletion, or both, relative to a full-length wildtype ACE2 having a SEQ ID NO: 1. The variant ACE2 domain has ACE2 activity.

Abstract: A digital power metering system with serial peripheral interface (SPI) multimaster communications is provided. A digital power meter is provided that includes at least one sensor that senses analog electrical parameters on electricity transmission lines from an electrical power distribution system, at least one analog-to-digital converter that receives the analog electrical parameters from the at least one sensor and converts the analog electrical parameters to sampled data; at least one processing device that performs calculations to determine power usage based on the sampled data and control overall operation of the meter, and a Serial Peripheral Interface (SPI), wherein the at least one processing device includes a plurality of processing devices, the SPI allowing one of the plurality of processing devices to become a master and the other processing devices of the plurality of processing devices to become slaves.

Abstract: An intelligent electronic device (TED) is provided. The IED includes a metering sub-assembly and an input base module sub-assembly. The metering sub-assembly is hinged to the input base module sub-assembly, where when in an open position, various cables, connectors, and input/output cards/modules are accessible. Various input/output cards/modules are interchangeable to add/change functionality and/or communication capabilities to the IED.

Abstract: A main body structure of a submarine stratum space cable laying robot includes one telescopic electric linear actuator unit including two dustproof sleeves with one sleeved on the other, and four single supporting arm units for forward motion and supporting. Two ends of each single supporting arm unit are sequentially provided with rotating supporting plates, reducers, motors and connecting flanges from inside to outside, and an outside of each single supporting arm unit is provided with a rotating plate structure. The single supporting arm units in each group are movably connected by the adjacent ends and movably connected to connectors of the telescopic electric linear actuator unit by respective outer ends thereof. The two groups of single supporting arm units connected in series are symmetrically arranged, such that a whole main body structure of the robot is diamond-shaped.

Abstract: An intelligent electronic device IED has enhanced power quality and communications capabilities. The IED can perform energy analysis by waveform capture, detect transient on the front-end voltage input channels and provide revenue measurements. The IED splits and distributes the front-end input channels into separate circuits for scaling and processing by dedicated processors for specific applications by the IED. Front-end voltage input channels are split and distributed into separate circuits for transient detection, waveform capture analysis and revenue measurement, respectively. Front-end current channels are split and distributed into separate circuits for waveform capture analysis and revenue measurement, respectively.

Abstract: A system and a method is provided for the detection and capture, and in particular for an ultra high speed detection and capture, of transients in input voltages by an intelligent electronic device. The system and method detects transients for input voltages in either phase to phase or phase to neutral measurements and permits a user to set threshold levels for detecting transients in input voltages. In an embodiment, the system and method further provides a field programmable gate array as a controller for managing transient detection. The field programmable gate array includes a state machine for determining the state of the sampled signal with respect to a threshold level at a specified waveform sample period.

Abstract: An intelligent electronic device (TED) is provided. The IED includes a metering sub-assembly and an input base module sub-assembly. The metering sub-assembly is hinged to the input base module sub-assembly, where when in an open position, various cables, connectors, and input/output cards/modules are accessible. Various input/output cards/modules are interchangeable to add/change functionality and/or communication capabilities to the IED.

Abstract: Techniques for data backup and restoration are disclosed. In one embodiment, the techniques may be realized as a method including generating a first backup representing a database at a first time; after the first backup, generating a plurality of journal entries, each journal entry representing a change to the database made after the first time; and restoring the database from the first backup and the plurality of journal entries, the restored database including the changes represented by the entries.

Abstract: In certain aspects, a system comprises a power collapsible logic block, a plurality of retention flip-flops coupled to the power collapsible logic blocks, wherein the plurality of retention flip-flops includes a group of master-slave flip-flops and a group of balloon flip-flops, and a power controller configured to retain states of the group of balloon flip-flops and states of the group of master-slave flip-flops in a first sleep state and to retain the states of the group of balloon flip-flops but not states of the group of master-slave flip-flops in a deep sleep state.

Abstract: An intelligent electronic device (IED) is provided. The IED includes a metering sub-assembly and an input base module sub-assembly. The metering sub-assembly is hinged to the input base module sub-assembly, where when in an open position, various cables, connectors, and input/output cards/modules are accessible. Various input/output cards/modules are interchangeable to add/change functionality and/or communication capabilities to the IED.