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 are an unblocking apparatus for a furnace discharging pipe and a use method. The unblocking apparatus includes a rail, a rail car that may move along the rail, an unblocking drive mechanism arranged on the rail car, a heat-unblocking component, a cold-unblocking component, and a material receiving component that is used to receive a blocking material in the discharging pipe, and a drive end of the unblocking drive mechanism is detachably connected with one end of the heat-unblocking component and the cold-unblocking component respectively. The present application effectively handles different blockage situations of the furnace discharging pipe by connecting the unblocking drive mechanism with an unblocking rod capable of heat-unblocking and a drilling rod capable of cold-unblocking, thereby two modes of heat-unblocking and cold-unblocking are performed on the furnace discharging pipe; and the discharging pipe may be unblocked by a remote operation.

Abstract: Described is a deuterated compound, and preparation method and use thereof The deuterated compound I has a structure as shown in Formula (I), wherein A is H or D, and at least one of eight As is D; M is H or an alkali metal, an alkaline earth metal, or an ammonium radical. The present invention provides use of the deuterated compound I as an internal standard for measuring the content of a metabolite II in a biological sample, wherein the metabolite II has a structure as shown in a Formula (II); wherein A is H; M is H or an alkali metal, an alkaline earth metal, or an ammonium radical. The present invention uses the deuterated compound I as an internal standard to quantitatively analysis the content of metabolite II at lower content in biological samples, which can not only meet the requirements for the lower limit of quantitation, but also meet the requirements for DMPK studies in clinical trials.

Abstract: An optical fiber sensing system for temperature and salinity synchronous measurement is provided, which includes a broad-spectrum light source, an optical fiber circulator, a coupler, a first interferometer, a second interferometer, a third interferometer and a spectrometer; the first interferometer is insensitive to temperature and salinity; the second interferometer is sensitive to both temperature and salinity, and the third interferometer is only sensitive to temperature; light emitted by the broad-spectrum light source passes through the optical fiber circulator and enters the first interferometer; reflected light of the first interferometer passes through the optical fiber circulator and the coupler sequentially, and then enters the second and the third interferometers respectively; the reflected light of the second and the third interferometers enters the spectrometer after passing through the coupler; the temperature and the salinity to be measured are simultaneously obtained by performing spectral an

Abstract: The present disclosure provides a fiber laser light coherent combination system, comprising: a modulator module configured to perform a phase modulation on sub-beams according to pseudo-random sequences orthogonally independent from each other, and perform a frequency shift on a reference beam according to a set frequency; a fiber laser light amplifier module configured to perform a power amplification on the modulated sub-beams; a laser light collimation emission module configured to collimate and output the sub-beams and the reference beam; a combination sampling module configured to perform a combination of the sub-beams and the reference beam which are collimated and outputted, and convert them into an electrical signal; a digital phase modulation and demodulation module configured to perform a demodulation on the electrical signal according to the shifted frequency and each of the pseudo-random sequences, and obtain a phase difference between each of the sub-beams and the reference beam.

Abstract: A projection screen includes an optical collimating layer and a surface diffusion layer which are arranged in sequence. A grating absorption layer for absorbing ambient light from various directions except a projection light direction is also provided between the optical collimating layer and the surface diffusion layer. The grating absorption layer includes a plurality of light-absorption ring-shaped units with different radii. The plurality of light-absorption ring-shaped units are arranged in a concentric ring. Each of the light-absorption ring-shaped units consists of a plurality of gratings arranged in the circumferential direction of the concentric ring. By taking a vertical symmetrical center line of the projection screen as a center, in a direction extending along the circumferential direction of the concentric ring to the left side and the right side of the projection screen, the distance between two adjacent gratings in the same light-absorption ring-shaped unit gradually increases.

Abstract: A physical vapor deposition (PVD) system is disclosed. The PVD system includes a pedestal configured to hold a semiconductor wafer, a cover plate configured to hold a target, and a collimator between the pedestal and the cover plate. The collimator includes a plurality of passages configured to pass source material travelling from the cover plate toward the pedestal at an angle less than a threshold angle with respect to a line perpendicular to a surface of the pedestal facing the cover plate, where the collimator is configured to block source material travelling from the cover plate toward the pedestal at an angle greater than the threshold angle, where a first passage of the plurality of passages has a first passage length, where a second passage of the plurality of passages has a second passage length, and where the first passage length is less than the second passage length.

Abstract: A detection method for a malicious domain name in a domain name system (DNS) and a detection device are provided. The method includes: obtaining network connection data of an electronic device; capturing log data related to at least one domain name from the network connection data; analyzing the log data to generate at least one numerical feature related to the at least one domain name; inputting the at least one numerical feature into a multi-type prediction model, which includes a first data model and a second data model; and predicting whether a malicious domain name related to a malware or a phishing website exists in the at least one domain name by the multi-type prediction model according to the at least one numerical feature.

Abstract: A display panel, a display device and a driving method. The display panel includes a display region and a peripheral region. The display region includes a subpixel unit array having a plurality of rows and a plurality of columns of subpixel units, and the peripheral region includes a gate drive circuit. The display region further includes a plurality of gate lines and a plurality of data lines. The gate drive circuit comprises a plurality of shift register units, and the plurality of gate lines are electrically connected with the plurality of shift register units. The gate drive circuit comprises two shift-register-unit scanning groups, in the shift-register-unit scanning groups, a (k+1)th shift register unit and a (k)th shift register unit form one shift register unit group.

Abstract: A wireless station (STA) for parameterized spatial reuse (PSR) operation. The STA may receive, from a first access point (AP) that the STA is not associated with, a trigger frame. The trigger frame includes a signal (SIG) field that includes a PSR field. The PSR field includes a plurality of subfields each corresponding to a respective subchannel associated with the trigger frame. This information includes transmission power level information. The STA may then determine, for each subchannel, using the transmission power level information, transmission power upper bounds for each of the subchannels.

Abstract: A technical problem to be achieved by the present disclosure is to provide an adhesive resin composition for a conductor, which contains inorganic fillers having different average particle diameters and has enhanced thermal conductivity as a result of controlling the content of the inorganic fillers, and an adhesive film for a semiconductor produced using the same.

Abstract: A method and an apparatus for displaying an information flow on a terminal device, an electronic device, a computer-readable storage medium, and a computer program product are provided. An implementation is: in response to detecting an activation operation on an application for displaying the information flow, reproducing, on the terminal device, a first page displayed on the terminal device when the application is last switched to running in the background or closed; and in response to determining that a time interval between the activation operation and the application being last switched to running in the background or closed does not exceed a first threshold, displaying a second page as a continuation of a content entry displayed in the first page, where the second page includes at least one first content entry cached in the terminal device before the activation operation but not displayed in the first page.

Abstract: The present invention discloses a straight-line sewage treatment system for enhanced treatment of low-carbon-to-nitrogen ratio (C/N) domestic sewage, including a sewage intake tank, an enhanced denitrification tank through a pipeline, an effluent outlet of the enhanced denitrification tank, an effluent pipe, a first storage tank, a second storage tank, and a disinfection tank.

Abstract: Methods, systems, and devices for wireless communications are described. A first wireless device (e.g., station (STA), access point (AP)) may transmit to a second wireless device during a service period, an initiating frame using a transmit beam that is based on a first beam training procedure performed between the devices prior to the service period. The first wireless device may perform a second beam training procedure during the service period based on an absence of a response frame from the second wireless device, based on an indication within the response frame received from the second wireless device, or based on identification of a change in a wireless channel relative to a previous beam training interval or previous service period. The first wireless device may then communicate one or more messages with the second wireless device using one or more beams that are based on the second beam training procedure.

Abstract: An image sensing device and a control device of an illumination device thereof are provided. The control device includes a control circuit, an operation circuit, and multiple driving signal generators. The control circuit generates multiple control signals. The operation circuit performs a logical operation on the control signals and an image capturing signal to generate multiple operation results. The driving signal generator respectively provides multiple driving signals to the illumination device according to the operation results, and the driving signals respectively have multiple different output powers.

Abstract: A solar cell, a textured surface structure and a method for preparing the same are provided. The textured surface structure is formed on a surface of a silicon wafer, and the surface has a grid line covered area and a light-receiving exposure area. The textured surface structure includes a first textured surface formed on the grid line covered area, and a second textured surface formed on the light-receiving exposure area. The texture size of the first textured surface is larger than the texture size of the second textured surface.

Abstract: A projection screen and a projection system using the projection screen. The projection screen includes a microstructure layer and a light absorbing layer sequentially stacked from the side where a projected light is introduced. The microstructure layer includes multiple microstructure units. Each microstructure unit includes one reflective surface and one lens surface opposite the reflective surface; moreover, the reflective surface is provided at a position matching the focus of the lens surface. The projection screen and the projection system can resist ambient light and have a high gain and a high contrast.

Abstract: Resource optimized forwarding of classified requests to different instances of a microservice is provided. The process includes obtaining classified requests to a microservice. The classified requests are classified based on different microservice resource consumption types. Further, the method includes forwarding the classified requests to instances of the microservice with different assigned resource configurations. The forwarding is based on the different microservice resource consumption types of the classified requests.

Abstract: A containerized immersion cooling system is provided. The system includes a container with a tank provided therein, wherein the container includes a first side wall having a first port and a second port; a coolant inlet pipe coupled to a first side of the first port; a warmed fluid pipe coupled to a first side of the second port; and a coolant distributor coupled to a second side of the first port.

Abstract: A centrifugal compressor includes a first stage and a second stage. At least one of the first stage and the second stage includes an impeller and a shroud spaced from the impeller and configured to guide a fluid flow through the impeller. The shroud is selectively moveable between an engaged position and a disengaged position.