Abstract: The application provides a method for controlling nitrogen in steelmaking by spraying hydrogen containing plasma, including: using a mixture of hydrogen rich gas and argon gas to generate hydrogen plasma for denitrification of molten steel during at least one of arc furnace smelting, ladle refining, VOD refining, and RH refining. The method for controlling nitrogen in steelmaking by spraying hydrogen containing plasma provided in the application can effectively remove nitrogen from the molten steel by spraying a mixture of argon gas and hydrogen rich gas into the molten steel through a hollow electrode and plasma torch, reducing electrode consumption and electricity consumption per ton steel, and also reducing arc radiation heat loss, improving heating rate, thereby shortening smelting time and reducing production costs.

Abstract: Methods of measuring an anomaly, any induced change in physical parameters such as strain, temperature, and so forth, in an optical fiber. One method may include launching a plurality of probe pulses from a probe source; recording a Brillouin scattering spectrum from a plurality of reflection signals generated in the optical fiber, responsive to the plurality of probe pulses; determining a relative motion between the optical fiber and the anomaly during the recording the Brillouin back-scattering spectrum; and dynamically adjusting the Brillouin back-scattering spectrum according to the relative motion, or performing an adjustment of the Brillouin back-scattering spectrum after acquisition of the Brillouin back-scattering spectrum.

Abstract: A charging state analysis method of an electric vehicle based on electrical characteristic sequence analysis is provided. The method includes following steps: step S1, obtaining voltage sampling data and current sampling data of the electric vehicle during charging; step S2, setting a time interval, so as to divide the voltage sample data and the current sampling data obtained in step S1 into multiple data sets; step S3, calculating an electrical characteristic vector of each time interval; step S4. adding the calculation results of Step S3 to a temperature sensing value T, and generate an electrical characteristic sequence of whole charging cycle; step S5, inputting the electrical characteristic sequence of the electric vehicle into a trained TRNN in sequence to obtain corresponding results; if the result is 1, it is normal; if the result is 0, it is abnormal.

Abstract: A micro-power wind-solar hybrid energy harvesting and power generating device including a solar power generation module, a wind power generation module, a control module, an energy storage module, and an accessory structure are provided. The solar power generation module is mainly composed of a solar thin film cell and a corresponding interface control circuit, and the wind power generation module includes a wind-induced vibration structure, a cantilever beam structure, a piezoelectric element, and a corresponding interface control circuit. The solar thin film cell is mounted at a top of the wind-induced vibration structure, and interface control circuits, the energy storage module, etc. are all arranged inside the wind-induced vibration structure. The control module is configured to handle an energy harvesting and power generating algorithm of the wind-solar hybrid power generating device to maximize the power generation quality and the power generation efficiency of the device.

Abstract: A converter bottom blowing system comprises a first gas source connected in parallel with a lime powder silo, a lime powder blowing tank and a first injector, where a first cut-off valve is arranged between the lime powder blowing tank and the first injector; a second gas source connected in parallel with the biochar powder silo, the biochar powder blowing tank and the second injector, where a second cut-off valve is arranged between the biochar powder blowing tank and the second injector; a converter, where a plurality of bottom blowing lances are arrayed at a bottom of a converter, the bottom blowing lances are connected with the first injector and the second injector through a three-way valve, a third cut-off valve is arranged between the first injector and the three-way valve, and a fourth cut-off valve is arranged between the second injector and the three-way valve.

Abstract: A preparation method for a convenient and instant dumpling with a long normal-temperature shelf life includes the following steps: preparation of dough?pressing of dough wrapper?preparation of dumpling wrapper?preparation of stuffing?kneading of dumpling?pre-cooking?canning?sterilization and finished product. By improvement processes in the angle of dough wrapper, stuffing, water migration, dough wrapper adhesion, and taste preservation, the product performance is improved, so that the product may be stored at the normal temperature for at least 12 months and the taste quality may still maintain the same level as fresh dumplings.

Abstract: Disclosed is a phase measurement device, comprising: a first wave plate, a first polarization splitting prism, a fourth wave plate, a retroreflector, a third wave plate, a reflector, a second wave plate, a polarizer, a second polarization splitting prism, a third polarization splitting prism, a first photoelectric detector, a second photoelectric detector, and a base, wherein the first to third polarization splitting prisms and the first and second photoelectric detectors are fixed on the base; the first to fourth wave plates are respectively arranged around the periphery of the first polarization splitting prism; the polarizer is arranged on an emitting surface of the third polarization splitting prism; the retroreflector is arranged on an outer side of the fourth wave plate; and the reflector is arranged on an outer side of the third wave plate. An interferometric signal is resolved to obtain a measurement light beam phase.

Abstract: Virtualization techniques can include determining virtual function routing tables for the virtual parallel processing units (PPUs) from a logical topology of a virtual function. A first mapping of the virtual PPUs to a first set of a plurality of physical PPUs can be generated. Virtualization can also include generating a first set of physical function routing tables for the first set of physical PPUs based on the virtual function tables and the first virtual PPU to physical PPU mapping. An application can be migrated from the first set of physical PPUs to a second set of PPUs by generating a second mapping of the virtual PPUs to a second set of a plurality of physical PPUs. A second set of physical function routing table for the second set of physical PPUs can also be generated based on the virtual function tables and the second virtual PPU to physical PPU mapping.

Abstract: The present invention relates to improved procoagulant antibodies including bispecific antibodies capable of binding to coagulation Factor IX (FIX) or the activated form thereof Factor IXa (FIXa) and optionally Factor X (FX) and the activated form thereof Factor Xa (FXa) and promoting FX activation by FIXa, antibodies binding their epitopes and methods and composition for treating subjects suffering from a coagulopathy such as haemophilia A.

Abstract: A medical image segmentation method include: 1) acquiring a medical image data set; 2) acquiring, from the medical image data set, an original image and a real segmentation image of a target region in the original image in pair to serve as an input data set of a pre-built constant-scaling segmentation network, the input data set including a training set, a verification set, and a test set; 3) training the constant-scaling segmentation network by using the training set to obtain a trained segmentation network model, and verifying the constant-scaling segmentation network by using the verification set, the constant-scaling segmentation network including a feature extraction module and a resolution amplifying module; and 4) inputting the original image to be segmented into the segmentation network model for segmentation to obtain a real segmentation image.

Abstract: Apparatuses, systems, and techniques to perform federated training of neural networks while maintaining control over dissemination of local models of neural networks from which aspects of local training data might be extracted. In at least one embodiment, a neural network is trained on local training data and a local model is provided to be aggregated with other local models into a global model that is in turn used for further local model training, wherein a provided local model or training is adjusted to reduce an ability to extract aspects of local training data therefrom.

Abstract: Disclosed is a scanning interference photolithography system, comprising a heterodyne optical path, a first interference optical path, a second interference optical path, a motion platform and a control subsystem, wherein a substrate is carried on the motion platform, a displacement measurement interferometer is used to measure the displacement of the motion platform, a first light beam and a second light beam are focused on the substrate for interference exposure; the control subsystem generates instructions according to various measurement information, adjusts angles of corresponding devices or the phase of a light beam, and locks the phase shift of interference exposure fringes of the first light beam and the second light beam. The system has a high precision of fringe pattern locking and a high laser utilization rate, and can be used for producing a large-area high-precision dense grating line gradient periodic grating.

Abstract: A converter bottom blowing system comprises a first gas source connected in parallel with a lime powder silo, a lime powder blowing tank and a first injector, where a first cut-off valve is arranged between the lime powder blowing tank and the first injector; a second gas source connected in parallel with the biochar powder silo, the biochar powder blowing tank and the second injector, where a second cut-off valve is arranged between the biochar powder blowing tank and the second injector; a converter, where a plurality of bottom blowing lances are arrayed at a bottom of a converter, the bottom blowing lances are connected with the first injector and the second injector through a three-way valve, a third cut-off valve is arranged between the first injector and the three-way valve, and a fourth cut-off valve is arranged between the second injector and the three-way valve.

Abstract: A laser interference photolithography system, comprising a laser device, a first reflector, a grating beam-splitter, a second reflector, a first universal reflector, a first lens, a second universal reflector, a second lens, a beam splitting prism, a control module, an angle measurement module, a third lens and a substrate. The control module comprises a signal processing terminal, a controller, and a driver. The signal processing terminal is connected to the angle measurement module, the controller is connected to both the signal processing terminal and the driver, and the driver is connected to both the first universal reflector and the second universal reflector. The laser emits a laser light that is split into two beams of light by the system, and the two beams of light are focused on the substrate for exposure.

Abstract: A method for efficiently removing Cu in electric furnace steelmaking with regenerated steel raw materials comprises removing Cu in the electric furnace steelmaking and removing Cu deeply in RH/VOD steelmaking. The removing Cu in electric furnace steelmaking comprises removing Cu by spraying CaO—CaCl2—O2 in stages in the electric furnace steelmaking; the removing Cu deeply in the R/VOD steelmaking comprises removing Cu deeply by dynamically blowing CaCl2—O2 based on vacuum degree. Cu removing and Cu removing deeply are performed in the electric furnace steelmaking and the RH/VOD refining process based on the Cu removal principle of selective chlorination by high-oxygen-potential microcells manufactured in electric furnace steelmaking molten pool and on the RH/VOD refined steel liquid level and the high-vacuum smelting environment in the RH/VOD refining process fully utilized; the cost is low, the copper removing efficiency is high, and large-scale industrial production are facilitated.

Abstract: A method for evaluating energy efficiency of electric arc furnace steelmaking comprises: obtaining original smelting information of the electric arc furnace; processing the original smelting information, and calculating an electrical energy efficiency evaluation index and a chemical energy efficiency evaluation index for process operation; wherein the electrical energy efficiency evaluation index comprises circuit efficiency, transformer tap capacity utilization rate and electrical energy thermal efficiency, and the chemical energy efficiency evaluation index comprises oxygen utilization rate, carbon powder utilization rate and chemical energy thermal efficiency; and evaluating an energy utilization condition of the electric arc furnace comprehensively based on the electrical energy efficiency evaluation index and the chemical energy efficiency evaluation index.

Abstract: A plug connector for mating with a receptacle connector in a mating direction, includes: an insulative housing; a connecting member accommodated in the insulative housing, the connecting member having a mating portion to be mated with the receptacle connector; and a cable connected to the connecting member, wherein the insulative housing includes a first housing and a second housing integrally formed on the first housing, and the second housing is further integrally formed at a junction between the connecting member and the cable so as to fix the first housing, the cable, and the connecting member together as a whole.

Abstract: The present disclosure provides a converter CO2—O2 mixed injection smelting method and a fire point area temperature dynamic control method. The method realizes online monitoring through an infrared temperature sensor installed inside an oxygen lance, dynamically adjusts the mixing ratio of CO2 and O2 and the height of the oxygen lance position according to the fire point area temperature changes and process requirements in different smelting stages, so that the secondary smelting system interlockingly and dynamically controls the fire point area temperature and the molten pool heating rate.

Abstract: A blowing control method for maintaining a mushroom head of a bottom-blowing nozzle converter is disclosed. Considering the actual state of the mushroom head at the end of the bottom-blowing nozzle tip, the real-time molten steel overheating change during the blowing process, the process requirements of different stages of blowing conversion, and the macroscopic heat balance of the converter, the oxygen-carbon dioxide-lime powder blowing parameters of the inner tube of the bottom-blowing nozzle are dynamically adjusted during the converter smelting process of the bottom-blowing nozzle converter so as to control the cooling intensity, thus achieving precise control of the size of the mushroom head. The present invention maintains the basic stability of the size of the mushroom head at the end of the bottom-blowing nozzle tip, avoiding nozzle blockage caused by an oversized mushroom head and rapid erosion of the nozzle caused by an undersized mushroom head.

Abstract: A long-life service method for powder-bottom-injecting converter based on collaborative hot replacement of furnace bottom and bottom purging brick belongs to the field of steelmaking technologies using powder-bottom-injecting converters. According to equipment characteristics, process characteristics, and erosion characteristics of the powder-bottom-injecting converter, the design, arrangement, installation, use, maintenance, and replacement of the bottom purging/powder injection bricks are systematically optimized and improved, a technology of automatically detecting the erosion height of bottom purging bricks is adopted, and hot replacement of bottom purging/powder injection bricks and hot replacement of the converter furnace bottom are used collaboratively, which not only can prolong the service life of a single bottom purging/powder injection brick, but also can greatly prolong the overall life of the powder-bottom-injecting converter from 1000-3000 heats in the prior art to 6000-10000 heats.