Abstract: A method for smelting low-phosphorus high-manganese steel based on reduction dephosphorization of ferromanganese is provided in the present application, relating to the technical field of high-manganese steel smelting, where the dephosphorization of ferromanganese is carried out under reducing atmosphere conditions through mediate-frequency induction furnace to obtain molten ferromanganese with lower phosphorus content, which is subsequently mixed with low phosphorus molten steel obtained by smelting in oxidative period of electric arc furnace in LF ladle refining furnace to make the Mn content of steel reach the requirement of high-manganese steel, and smelting is carried out under the condition of reducing atmosphere by adjusting the composition and temperature of the molten steel to meet the requirements of the target composition of the steel grade before tapping the steel.

Abstract: Disclosed is a lithium-ion battery. The lithium-ion battery comprises a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte solution. The non-aqueous electrolyte solution at least comprises FEC and PP; the negative electrode comprises a binder; and the binder is a polymer having a side chain containing hydroxyl, and is a graft polymer that one or more of acrylic acid, acrylonitrile, acrylamide, acrylic acid ester, styrene, vinylimidazole, vinylpyridine, sodium p-styrenesulfonate and the like are graft-copolymerized on the hydroxyl. According to the lithium-ion battery of the present disclosure, a stable SEI interface can be formed on a surface of a silicon-based negative electrode, so that the lithium-ion battery prepared thereby has high energy density, long cycle life and low cycle expansion rate.

Abstract: The present disclosure relates to a complex probiotic composition and a method for improving exercise performance of a subject with low intrinsic aerobic exercise capacity. The complex probiotic composition, which includes Lactobacillus rhamnosus GKLC1, Bifidobacterium lactis GKK24 and Clostridium butyricum GKB7, administered to the subject with the low intrinsic aerobic exercise capacity in a continuation period, can effectively reduce serum lactic acid and serum urea nitrogen after aerobic exercise, reduce proportion of offal fat and/or increase liver and muscle glycogen contents, thereby being as an effective ingredient for preparation of various compositions.

Abstract: Base station antennas are provided. A base station antenna includes a reflector that has a plurality of faces that face in different directions. The base station antenna includes a plurality of arrays of radiating elements that are on the faces, respectively, of the reflector. Moreover, the base station antenna includes a plurality of parasitic elements that are on the faces. Related methods of operating a base station antenna are also provided.

Abstract: Apparatus and associated methods relate to a Source Terminal Replication Compensation Circuit for simulating an accurate fraction of a load current. In an illustrative example, a Source Terminal Replication Compensation Circuit (STRCC) may be connected to a motor driving circuit. The STRCC, for example, may include a simulation transistor configured to have a simulated structure of a main transistor in a motor driving circuit. The STRCC may include, for example, a disturbance rejection module (DRM). The DRM may be connected to a source terminal of the sense transistor, and a source terminal of the main transistor. When the DRM is connected to a current sensing resistor, a sense current is generated as a predetermined fraction of a load current of the motor driving circuit, wherein the predetermined fraction is less than 1%. Various embodiments may advantageously reduce heat dissipations at the current sensor resistor.

Abstract: A new real-time video communication system includes a set of electronic devices. Each device runs a specialized real-time video communication software application including a video quality module. The video quality module retrieves network connection statistic data from a network connection module, and video encoder statistic data from a video quality module. The video quality module uses the network connection statistic data and the video encoder statistic data to determine a first objective video quality measure without extensive mathematical operations. The video quality module also uses the first objective video quality measure, the network connection statistic data and the video encoder statistic data to determine a second objective quality measure without extensive mathematical operations.

Abstract: An antenna structure with wide radiation bandwidth in a reduced physical space includes a metallic housing, a first feed portion, and a second feed portion. The metallic housing includes a metallic side frame and a metallic back board. The metallic side frame defines a slot, and first and second gaps. The metallic side frame between the first gap and one end of the slot forms a first radiation portion. The second gap divides the first radiation portion into first and second radiation sections. The first feed portion feeds current and signal to the first radiation section, and the first radiation section works in a GPS mode and a WIFI 2.4 GHz mode. The second feed portion feeds current and signal to the second radiation section, and the second radiation section works in a WIFI 5 GHz mode.

Abstract: A window blind has a headrail, a bottom rail, and multiple slats provided below the headrail. In the headrail, an adjusting shaft and an auxiliary adjusting module are provided and connected. A ladder string is connected to the adjusting shaft, whereby the adjusting shaft adjusts a shape of the ladder string to tilt the slats and the bottom rail. A first cord and a second cord extend out of the headrail and are connected to opposite sides of the bottom rail. When the adjusting shaft drives the slats to tilt in a direction, the auxiliary adjusting module releases the first cord out of the headrail and retracts the second cord into the headrail. When the slats are tilted in an opposite direction, the auxiliary adjusting module retracts the first cord into the headrail and releases the second cord out of the headrail.

Abstract: The present disclosure provides a method for aligning a master oscillator power amplifier (MOPA) system. The method includes ramping up a pumping power input into a laser amplifier chain of the MOPA system until the pumping power input reaches an operational pumping power input level; adjusting a seed laser power output of a seed laser of the MOPA system until the seed laser power output is at a first level below an operational seed laser power output level; and performing a first optical alignment process to the MOPA system while the pumping power input is at the operational pumping power input level, the seed laser power output is at the first level, and the MOPA system reaches a steady operational thermal state.

Abstract: An optical camera lens includes a first camera lens component including at least one first lens and a second camera lens component including a second lens barrel and at least one second lens mounted in the second lens barrel. The first and second lenses together constitute an imageable optical system. At least one of the two camera lens components has a smooth region located on an end surface of the camera lens component, and a connecting medium for fixing the first and second camera lens components together. A corresponding assembly method of the optical camera lens and a corresponding camera module and an assembly method thereof are also provided. The optical camera lens can improve a pre-positioning accuracy by improving a height measurement accuracy, and can use a distance measuring point as a feature point of image recognition so as to perform pre-positioning and active calibration.

Abstract: Embodiments provided herein, provide for variant IgG Fc polypeptides, dimeric molecules, pharmaceutical compositions, and methods that can be used to target at cells to modulate the activity of the same to treat disorders, such as autoimmune disorders or cancers.

Abstract: The present disclosure relates to a fabricated concrete connection structure and a construction method, the structure including shear wall members. Tops of the shear wall members are fixedly connected to a plurality of connection female heads, and the plurality of connection female heads are arranged at equal intervals along length directions of the shear wall members. Reinforcing cage pre-formed holes penetrate through the tops and bottoms of the shear wall members. A plurality of connection male heads are arranged at equal intervals along the length directions of the shear wall members, and the plurality of connection male heads are in one-to-one correspondence with the plurality of connection female heads. One sides of the bottoms of the shear wall members are fixedly connected to folding plates. The present disclosure can achieve the purpose of connecting the shear wall members conveniently and quickly, improving the efficiency and quality of construction.

Abstract: The present disclosure provides a method for extracting and purifying total flavonoids from Carthamus tinctorius L. leaf, and use thereof, and belongs to the technical field of extraction and use of active ingredients of traditional Chinese medicine. The method includes: heating and refluxing Carthamus tinctorius L. leaf with ethanol to obtain a mixture, where the ethanol and Carthamus tinctorius L. leaf are at a volume ratio of (20-30):1; concentrating the mixture to form a concentrated filtrate, and adsorbing the concentrated filtrate with a macroporous resin; eluting a resulting adsorbed macroporous resin with ethanol, and collecting an obtained eluate; and concentrating the eluate until there is no residual ethanol, and drying in sequence to obtain a TFFCL powder. In the present disclosure, Carthamus tinctorius L. leaf is analyzed, the TFFCL is extracted, and applications of extracted total flavonoids (TFs) are studied, thereby better utilizing the resources of Carthamus tinctorius L.

Abstract: Different isolation liners for different type FinFETs and associated isolation feature fabrication are disclosed herein. An exemplary method includes performing a fin etching process on a substrate to form first trenches defining first fins in a first region and second trenches defining second fins in a second region. An oxide liner is formed over the first fins in the first region and the second fins in the second region. A nitride liner is formed over the oxide liner in the first region and the second region. After removing the nitride liner from the first region, an isolation material is formed over the oxide liner and the nitride liner to fill the first trenches and the second trenches. The isolation material, the oxide liner, and the nitride liner are recessed to form first isolation features (isolation material and oxide liner) and second isolation features (isolation material, nitride liner, and oxide liner).

Abstract: In some embodiments, the present disclosure relates to an integrated chip. The integrated chip may comprise a first metal line disposed over a substrate. A via may be disposed directly over a top of the first metal line and the via may comprise a first lower surface and a second lower surface above the first lower surface. A first dielectric structure may be disposed laterally adjacent to the first metal line and may be disposed along a sidewall of the first metal line. A first protective etch-stop structure may be disposed directly over a top of the first dielectric structure and the first protective etch-stop structure may vertically separate the second lower surface of the via from the top of the first dielectric structure.

Abstract: A package includes an interposer structure free of any active devices. The interposer structure includes an interconnect device; a dielectric film surrounding the interconnect device; and first metallization pattern bonded to the interconnect device. The package further includes a first device die bonded to an opposing side of the first metallization pattern as the interconnect device and a second device die bonded to a same side of the first metallization pattern as the first device die. The interconnect device electrically connects the first device die to the second device die.

Abstract: Introduced here is an approach to developing and then deploying machine learning models that addresses the drawbacks of conventional approaches. One objective of the approach described herein is to reduce or eliminate the need for manual labelling during the development process. To accomplish this, a surveillance system may implement self-supervised learning and knowledge distillation that rely on collaboration between its edge devices and a server system. Together, self-supervised learning and knowledge distillation ensure that the models deployed on those edge devices can be readily trained and then updated, as necessary, in order to improve inference quality without any human intervention.

Abstract: This disclosure relates generally to Multicast/Broadcast Service (MBS) configuration dissemination for improving network efficiency. Performed by a User Equipment (UE) in a wireless network, the method including: receiving a first message comprising a first MBS configuration associated with the MBS from a first network element of the wireless network; and receiving an MBS configuration update notification from the first network element.

Abstract: An electronic device includes a substrate, a semiconductor unit and an insulating layer. The semiconductor unit is disposed on the substrate. The insulating layer is disposed on the semiconductor unit, and the insulating layer includes a first portion and a second portion connected to the first portion. In a top view, the first portion partially overlaps the semiconductor unit, the second portion does not overlap the semiconductor unit, and a part of an edge of the insulating layer is irregular.