Abstract: A method may include obtaining an image of an object; obtaining a target artifact identification model; determining target artifact feature information by inputting the image into the target artifact identification model, the target artifact feature information indicating a feature of one or more artifacts in the image; obtaining a target artifact extent determination model; determining target artifact extent indication information by inputting the image and the target artifact feature information into the target artifact extent determination model, the target artifact extent indication information indicating an influence extent of the one or more artifacts on an image quality of the image; in response to determining that the influence extent is greater than or equal to the extent threshold, outputting a notice of the one or more artifacts of the image.

Abstract: A voltage measurement circuit for measuring a voltage output by a battery, the battery comprising n battery cells connected in series, wherein n is an integer greater than 1; and the circuit comprising: n low-voltage measurement modules provided in one-to-one correspondence with the n battery cells, a first switching circuit, a second switching circuit, a reference voltage source, and a control module, wherein the reference voltage source may be used for outputting a preset reference voltage; and the two ends of each of the low-voltage measurement modules may be connected to the two ends of a corresponding one of the battery cells via the first switching circuit, and the two ends of each of the low-voltage measurement modules may be further connected to the two ends of the reference voltage source via the second switching circuit.

Abstract: Provided in the present disclosure is a control system for a heat supply apparatus of a nuclear power plant, comprising: a first-stage pressure measurement means configured for measuring a first-stage pressure of a turbine to obtain a first-stage pressure signal; a high-exhaust pressure measurement means configured for measuring an exhaust pressure of a turbine high-pressure cylinder to obtain an exhaust pressure signal; a steam extraction heating flow rate measurement means configured for measuring a steam extraction heating flow rate to obtain a steam extraction heating flow rate signal; a data acquisition module configured for acquiring and transmitting the measured first-stage pressure signal, the measured exhaust pressure signal and the measured steam extraction heating flow rate signal to a core operation processing module; the core operation processing module; and a the signal output module.

Abstract: A control method includes determining a target brightness of a screen, in response to the target brightness being within a target brightness interval, determining a target refresh rate range corresponding to the target brightness interval, and based on the at least two refresh rates included in the target refresh rate range, responding to dynamic refresh rate adjustment when the screen is under the target brightness. A whole brightness range supported by the screen corresponds to at least two brightness intervals. Each brightness interval of the at least two brightness intervals corresponds to a refresh rate range in a one-to-one correspondence, and the refresh rate range includes at least two refresh rates.

Abstract: The present disclosure provides compositions, methods, kits, systems and apparatus that are useful for nucleic acid polymerization. In particular, modified polymerases and biologically active fragment thereof are provided that allow for nucleic acid amplification. In one aspect, the disclosure relates to modified polymerases useful for nucleic acid sequencing, genotyping, copy number variation analysis, paired-end sequencing and other forms of genetic analysis. In some aspects, the disclosure relates to modified polymerases useful for the generation of nucleic acid libraries or nucleic acid templates for use in various downstream processes. In some aspects, the disclosure relates to the identification of homologous amino acid mutations that can be transferred across classes or families of polymerases to provide novel polymerases with altered catalytic properties. In some aspects, the disclosure provides modified polymerases having enhanced catalytic properties as compared to a reference polymerase.

Abstract: Embodiment of this application relate to a digital control method for laser power stabilization. In the embodiments of this application, based on conservation of optical power, that is, the sum of inner-loop optical power and outer-loop optical power is input optical power, a digital proportion integration differentiation (PID) control method combining optical loops and temperature compensation is adopted, which can optimize and adjust a PID control algorithm parameter in a large range in time, make up for the defect that an acousto-optic modulator (AOM) is sensitive to temperature, and meet stability requirements for high anti-interference ability, high precision and high stability of laser power. In addition, in the method, the target light intensity is set by means of a digital constant, thereby getting rid of the dependence on a high-performance voltage reference, reducing costs, and reducing sensitivity of a controller to an environmental parameter, thereby further enhancing a control ability.

Abstract: Provided herein are compositions and systems for use in polymerase-dependent, nucleotide transient-binding methods. The methods are useful for deducing the sequence of a template nucleic acid molecule and single nucleotide polymorphism (SNP) analyses. The methods rely on the fact that the polymerase transient-binding time for a complementary nucleotide is longer compared to that of a non-complementary nucleotide. The labeled nucleotides transiently-binds the polymerase in a template-dependent manner, but does not incorporate. The methods are conducted under any reaction condition that permits transient binding of a complementary or non-complementary nucleotide to a polymerase, and inhibits nucleotide incorporation.

Abstract: A crystalline form A of 2,2-bis(4-fluorophenyl)-2-phenylacetamide is provided. The crystalline form has good light stability, high temperature stability, and high humidity stability.

Abstract: The present disclosure discloses an efficient and regenerable nano manganese remover, and a method for preparing same and application thereof, belonging to the technical field of wastewater treatment and reuse. The manganese remover of the present disclosure includes Fe3O4, RGO, SiO2 and EDTA. The Fe3O4 nanoparticles are supported on the surface of the RGO, the SiO2 coats the Fe3O4, and the EDTA is grafted on the SiO2. First, Fe3O4-RGO is prepared. Then, a TEOS-ethanol solution is dropwise added, and the resulting mixture is allowed to react to obtain Fe3O4@SiO2-RGO composite particles. Finally, an EDTA-water solution is dropwise added to obtain the manganese remover. The manganese remover prepared in the present disclosure is magnetic, and the preparation process is simple and easy for industrial production. The nano manganese remover can quickly remove manganese in manganese-containing wastewater. A small amount of the manganese remover can achieve a large adsorption capacity.

Abstract: Disclosed are eutectic form A of Elagolix and pyrimethamine, a preparation method therefor and a use thereof. Using Cu-K? radiation, eutectic form A has characteristic peaks represented by a 2? degree at 8.1±0.2°, 12.2±0.2°, 13.3±0.2° and 21.1±0.2° in an X-ray powder diffraction. Eutectic form A has a high purity, a good light radiation stability, a high temperature stability, a high humidity stability and an accelerated stability, is easy to store, and has a slow moisture absorption under the condition of relatively low humidity, wherein the weight gain of eutectic form A by moisture absorption is not more than 1.08% when the relative humidity increases from 0 to 60% RH. Production conditions for eutectic form A are easy to control, same has a simple preparation process and a stable quality, and is easy to industrially produce on a large-scale.

Abstract: The present utility model discloses a spherical grinder, which comprises a grinder body; the grinder body comprises a handhold part and a grinding part, the grinding part is set below the handhold part and provided with at least one grinding unit. The present utility model is subject to a reasonable structure design; the connection to the handhold part is achieved by fitting and connecting universal balls of grinding units to connecting pieces, the operation is flexible and can meet different angle grinding requirements, improving the grinding and polishing efficiency; and the handhold part provided with a gripping part is intended for easy holding, achieving a more friendly grip, making the control of the grinder easier and avoiding hand fatigue.

Abstract: Provided in the present disclosure is a control system for a heat supply apparatus of a nuclear power plant, comprising: a first-stage pressure measurement means configured for measuring a first-stage pressure of a turbine to obtain a first-stage pressure signal; a high-exhaust pressure measurement means configured for measuring an exhaust pressure of a turbine high-pressure cylinder to obtain an exhaust pressure signal; a steam extraction heating flow rate measurement means configured for measuring a steam extraction heating flow rate to obtain a steam extraction heating flow rate signal; a data acquisition module configured for acquiring and transmitting the measured first-stage pressure signal, the measured exhaust pressure signal and the measured steam extraction heating flow rate signal to a core operation processing module; the core operation processing module; and a the signal output module.

Abstract: The present disclosure relates to a scale shifting and volume adjustment method, apparatus and device, the method comprising obtaining air pressure difference; selecting a scale to be played corresponding to the air pressure difference according to a preset scale selection strategy; obtaining a volume value corresponding to the air pressure difference according to a preset volume acquisition strategy; adjusting the volume of the notes of the scale based on the volume value. The present disclosure is capable of automatically shifting scale according to the air pressure difference, and adjusting the volume in a convenient and hassle-free manner.

Abstract: The present utility model is a mouthpiece of a wind instrument, an electric harmonica, an electric blowpipe, and a wind instrument. The mouthpiece for a wind instrument comprises air chambers, disposed in the housing of the wind instrument; air pressure sensors, disposed at the bottom of the air chambers for detecting air pressure changes within the air chambers; an air intake channel, disposed on the outer side of the air chambers, and when air is blown into the air intake channel. The air chambers produce pressure changes which are detected by the air pressure sensors. Air vents, disposed on the air intake channel, are configured for airflow to enter the air intake channel and be discharged from the air vents, and the path thereof changes. Such a configuration can improve user comfort, reduce poor hygiene within the instrument, and reduce the chances of inadvertent sound output.

Abstract: The present disclosure provides a noise reduction device. The noise reduction device may include a noise receiving component, a noise reduction component, a processing component, and a housing. The noise receiving component may be configured to receive acoustic noise information of a scanning environment where a medical device is located. The processing component may be configured to control the noise reduction component to generate sound information matching the acoustic noise information received by the noise receiving component. The housing may be configured to support the noise receiving component and the noise reduction component.

Abstract: The present application relates to a silicone oil-based immersion coolant for an electronic component. The silicone oil-based immersion coolant for an electronic component includes a base oil and an additive. The base oil includes a low-viscosity silicone oil. The additive includes a silicone oil diluent and a thermally conductive inorganic filler. The viscosity of the low-viscosity silicone oil is less than or equal to 1000 cSt. The thermally conductive inorganic filler is an insulating filler. Based on the mass of the immersion coolant, a mass percentage content of the base oil is in a range from 70% to 85%, a mass percentage content of the silicone oil diluent is in a range from 10% to 20%, and a mass percentage content of the thermally conductive inorganic filler is in a range from 5% to 10%.

Abstract: Provided are methods for preparing a library of target nucleic acid sequences, as well as compositions and uses therefor. Methods comprise contacting a nucleic acid sample with a plurality of adaptors capable of amplification of one or more target nucleic acid sequences under conditions wherein the target nucleic acid(s) undergo a first amplification; digesting the resulting first amplification products; repairing the digested target amplicons; and amplifying the repaired products in a second amplification, thereby producing a library of target nucleic acid sequence. Each of the plurality of adaptor compositions comprise a handle and a targeted nucleic acid sequence and optionally one or more tag sequences. Provided methods may be carried out in a single, addition only workflow reaction, allowing for rapid production of highly multiplexed targeted libraries, optionally including unique tag sequences. Resulting library compositions are useful for a variety of applications, including sequencing applications.

Abstract: A space-air-ground integrated UAV-assisted IoT data collection method based on AoI comprises: constructing a UAV-assisted space-air-ground integrated IoT system, constructing a UAV channel model and an AoI model, establishing an AoI-based UAV-assisted space-air-ground integrated IoT data collection model, transforming a problem into a Markov problem, introducing a neural network to solve a high-dimensional state problem, introducing a deep reinforcement learning algorithm to train UAVs to find optimal collection points, and introducing a matching theory to match the UAVs and IoT devices.

Abstract: The disclosure discloses an air purification device with an adjustable air outlet direction, including a purifier body and an air outlet island. The air outlet island including an island body, a shaft sleeve fixing bracket and a lifting driving assembly is arranged on the purifier body in a lifting structure; the middle of the island body is provided with a lifting driving assembly; the island body is arranged on the shaft sleeve fixing bracket and slidably connected with the shaft sleeve fixing bracket; a top surface of the island body is provided with a top air outlet grille; and a side surface of the island body is provided with a side air outlet grille. The disclosure can realize a variety of different air supply modes, thereby effectively increasing the circulation of the ambient air and improving the comfort of the indoor space.

Abstract: An actuator includes: a housing having a cable outlet, a driver, an output rotor, a first cable and a second cable. The driver is disposed inside the housing. The output rotor is configured to be driven to rotate forward or backward by the driver, and has a fitting part. A first end of the first cable and a first end of the second cable fit to the fitting part, and a second end of the first cable and a second end of the second cable extend out of the housing through the cable outlet. The output rotor is configured to rotate forward to drive the first cable through the fitting part, and is configured to rotate backward to drive the second cable through the fitting part.