Abstract: Embodiments of the present disclosure relate to a method, system, and computer program product for comparison of database data. According to the method, a first tree structure corresponding to first data segments of first database data and a second tree structure corresponding to second data segments of second database data are at least partially obtained. Each node of the first or second tree structure indicating a characteristic value of at least one of the first or second data segments, and nodes of the first or second tree structure are divided into a first or second plurality of branches from a first or second root node based on update frequencies of the first or second data segments. A difference between the first data segments and the second data segments is determined by at least comparing characteristic values indicated by nodes in the obtained parts of the first and second tree structures.

Abstract: The present invention provides a liquid replacement device and a cleaning system. The liquid replacement device is provided with: a first body provided with a first connection portion that can be connected to an outside, and the first connection portion provided with a clear liquid outlet for outputting a clear liquid and a dirty liquid inlet for inputting a dirty liquid. The first body is provided with a first clear liquid tank that can accommodate the clear liquid, a first dirty liquid tank that can accommodate the dirty liquid, a clear liquid output channel connected between the clear liquid outlet and the first clear liquid tank, and a dirty liquid input channel connected between the dirty liquid inlet and the first dirty liquid tank. The liquid replacement device can enhance the efficiency of the cleaning operation and has cost and aesthetic advantages.

Abstract: Prostamide-containing biodegradable intraocular implants, prostamide compounds, prostamide-containing pharmaceutical compositions, and methods for making and using such implants and compositions for the immediate and sustained reduction of intraocular pressure and treatment of glaucoma in an eye of a patient are described.

Abstract: A method for preparing hydrogen sulfide from sulfur dioxide by electrochemical reduction includes electrochemically reducing sulfur dioxide absorbed in an aqueous solution into gaseous hydrogen sulfide with a membrane electrode, resulting in efficient and selective conversion of the sulfur dioxide absorbed in the aqueous solution into the hydrogen sulfide to avoid a deactivation of a cathode due to colloidal sulfur produced on the cathode and adhesion onto a surface of the cathode, wherein the method is carried out at ambient temperature and normal pressure without addition of a reducing agent, having no waste salts produced, and is simple in operation, and is convenient for large-scale application.

Abstract: Provided is a quantum current transformer based on a bidirectional light compensation technology, including an annular cavity, a plurality of quantum probes, a front-end laser source, a back-end laser source, and a quantum processing system. The plurality of quantum probes are installed in the annular cavity and distributed in a circumference, the plurality of quantum probes are sequentially connected in series through an excitation optical fiber, and two quantum probes at both ends of a series light path are respectively connected to the front-end laser source and the back-end laser source outside the annular cavity through excitation optical fibers. The quantum processing system is connected to the plurality of quantum probes through a plurality of collection optical fibers.

Abstract: Systems and methods for dynamic current limits for direct current-to-direct current (DC-DC) converters are disclosed. In one aspect, a DC-DC converter (e.g., a buck-boost converter) having dual current and voltage feedback loops is provided. Information from the voltage feedback loop may be used to set a reference level for the current feedback loop. This information may be further based on information from a ramp compensation circuit and a current limiting circuit. The accumulated information may then be combined with another output from the ramp compensation circuit to control the DC-DC converter. The combination of feedback and elements provides an opportunity to sculpt a voltage output of the DC-DC converter to avoid over and undershooting a target output.

Abstract: An image capturing lens including a cemented lens is provided. The cemented lens has a positive refracting power and includes a spheric lens and a liquid lens. In addition to the cemented lens, the image capturing lens has 4 or 5 lenses with refracting powers.

Abstract: The present disclosure provides a stable anti-PD-1 antibody pharmaceutical composition and use thereof. The pharmaceutical composition includes a buffer and an anti-PD-1 antibody or an antigen-binding fragment thereof; and the anti-PD-1 antibody or the antigen-binding fragment thereof has a concentration of about 100-250 mg/mL, and includes an LCDR1, an LCDR2 and an LCDR3 having amino acid sequences set forth in SEQ ID NO: 1, SEQ ID NO: 2 and SEQ ID NO: 3, respectively, and an HCDR1, an HCDR2 and an HCDR3 having amino acid sequences set forth in SEQ ID NO: 4, SEQ ID NO: 5 and SEQ ID NO: 6, respectively; and and the pharmaceutical composition has a pH of about 5.0-6.5. The present disclosure also provides an injection including the pharmaceutical composition and use of the pharmaceutical composition and the injection in preparing a medicament for treating a disease or disorder by eliminating, inhibiting or reducing PD-1 activity.

Abstract: A structure for evenly applying forces on a heat dissipation base plate includes a heat dissipation base plate having upper and lower surface, a first threaded hole, and through bores provided at four corners thereof, and being held in place on a heat source by screw fastening elements extended through the through bores for the lower surface to contact with the heat source; a hold-down member disposed on the upper surface of the heat dissipation base plate and having upper and lower side and a second threaded hole extending from the upper to the lower side; and an adjustment element including a screw bolt and a turning knob connected to the screw bolt, the screw bolt being extended through the first and second threaded holes, and turnable by the screw bolt to downward press against and apply evenly distributed forces on a central area of the heat dissipation base plate.

Abstract: A method for controlling a medical device may be provided. The method may include obtaining, via one or more cameras, first data regarding a first motion of a subject in an examination space of the medical device. The method may include obtaining, via one or more radars, second data regarding a second motion of the subject. The method may further include generating, based on the first data and the second data, a control signal for controlling the medical device to scan at least a part of the subject.

Abstract: An imaging lens sequentially including first to seventh lenses from an object side to an image side along an optical axis is provided. The first lens, the fourth lens, and the sixth lens have positive refracting power, and the second lens and the seventh lens have negative refracting power. There are a total of seven lenses having refracting power in the imaging lens. When the first to seventh lenses are grouped into a first group close to the object side and a second group close to the image side, a plurality of lenses totaling three to five lenses have refracting power in the first group, a plurality of lenses totaling two to four lenses have refracting power in the second group, and the first group is configured to move relative to the second group on the optical axis. Therefore, the imaging lens provided by the invention has favorable imaging quality.

Abstract: Systems and methods for providing a direct current-to-direct current (DC-DC) converter with programmable compensation are disclosed. In one aspect, a power management chip having a DC-DC converter measures process, voltage, and temperature (PVT) variations and provides a dynamic compensation circuit (e.g., using programmable digital-to-analog converters (DACs)) to offset such PVT variations. Further, changes in frequency may be detected, and additional compensation values provided. Providing compensation in this manner allows the DC-DC converter's performance to be more efficient, resulting in better performance and power savings.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, configuration information indicating a wake-up signal (WUS) configuration associated with a discontinuous reception (DRX) cycle, wherein the WU'S configuration indicates one or more WUS occasions. The UE may identify one or more conditions. The UE may refrain from monitoring at least one WUS occasion, from the one or more WUS occasions, based at least in part on the identification of the one or more conditions. The UE may monitor one or more resources during an on duration associated with the DRX cycle. Numerous other aspects are described.

Abstract: Systems and methods for improving efficiency in a power management circuit are disclosed. In one aspect, a ping-pong sample and hold circuit smooth transitions from buck to boost (and vice versa) modes of operation for a direct current-to-direct current (DC-DC) converter in the power management circuit. The ping-pong sample and hold circuit provide a ramp compensation for each clock cycle, where transitions are smoothed by holding the last value used from the previous mode of operation. In a second aspect, a current sensor is used that integrates a current value to provide a base feedback loop for the DC-DC converter and may use various compensation factors to provide a proper ramp signal for the DC-DC converter.

Abstract: Provided is the use of compounds of Formula I, as well as certain specific compounds, or a pharmaceutically acceptable salt, solvate or derivative thereof, in the preparation of a medicament to treat cancer, such as liver cancer (e.g. hepatocellular carcinoma) and lung cancer.

Abstract: An aqueous dispersion comprising a multistage polymer comprising a first polymer and a second polymer that comprises structural units of an ethylenically unsaturated siloxane monomer, the multistage polymer comprising, by weight based on the weight of the multistage polymer, 4.5% or more of structural units of the ethylenically unsaturated siloxane monomer, and the coagulum content of the aqueous dispersion is less than 2,000 ppm after filtration through a 44 micron sieve.

Abstract: The present application discloses a child safety car seat having a main body and a fireproof buffering structure disposed on the main body. The fireproof buffering structure includes a buffering plate and a fireproof plate attached to or neighboring to the buffering plate, and the fireproof plate is closer to a seating space of the child safety car seat than the buffering plate. In contrast to conventional child safety car seats, the fireproof buffering structure of the present application adopts the combined buffering plate and fireproof plate. The buffering plate has good impact absorbing capacity for providing a soft and comfortable seating environment and buffering and protection effects during a crash accident, and the fireproof plate can reduce the combustion rate of the integral structure when catching fire. Therefore, the child safety car seat achieves the purposes of safety and comfort.

Abstract: A refrigerator includes a top cover for the cooling chamber, an evaporator, a storage chamber and a cooling chamber located below the storage chamber, where at least a part of the top wall of the cooling chamber is formed on this top cover, and the evaporator is located inside the cooling chamber and fixedly connected to the top cover of the cooling chamber in a hanging manner. According to the refrigerator, by fixedly connecting the evaporator to the top cover of the cooling chamber in a hanging manner, the top cover is subjected to a downward force due to the gravity of the evaporator. This refrigerator avoids the bulging of the top cover upwards.

Abstract: An antibody specifically binding to CD112R or an antigen binding fragment thereof, a composition comprising same, a nucleic acid molecule encoding the antibody or the antigen binding fragment thereof, a vector and a host cell for expressing the antibody or the antigen binding fragment thereof, a treatment and diagnostic method using the antibody or the antigen binding fragment thereof, and use of the antibody or the antigen binding fragment thereof.

Abstract: An image processing method, an electronic device, and a readable storage medium are provided. The method includes: obtaining an original image; denoising the original image using an image filtering algorithm to form a preprocessed image S; performing contrast enhancement in the preprocessed image S to form a contrast-enhanced image J; adjusting saturation of the contrast-enhanced image J to form an enhanced display image M; sharpening the enhanced display image M to form a sharpened image N; and performing dynamic range enhancement on the sharpened image N using a dynamic range image enhancement algorithm to form an output image. The image processing method, electronic device, and readable storage medium enable multi-level processing on the original image and improve the display accuracy of the output image.