Abstract: A control system for operating a plurality of air compressors collectively supplying compressed air to a manufacturing facility is disclosed which includes a demand forecast module configured to estimate the manufacturing facility's demand for the compressed air at a predetermined future time, a dynamic adjustment module configured to acquire a current air pressure from the manufacturing facility, the dynamic adjustment module combining the current air pressure and the estimated manufacturing facility's demand for compressed air to make a final forecast, and an optimization module configured to determine a target operating combination of the plurality of air compressors at the predetermined future time based on the final forecast and a current operating combination of the plurality of air compressors.

Abstract: This application provides an optical device, including an emitting assembly configured to emit an outgoing light signal, a beam splitting assembly configured to pass the outgoing light signal from the emitting assembly to a detection region, receive a reflected light signal from the detection region, and modify a transmission direction of the reflected light signal, a receiving assembly configured to receive the reflected light signal from the beam splitting assembly after the direction modification and generate an electrical signal in response to the reflected light signal. Also disclosed is a method of adjusting an optical device as described herein.

Abstract: The present disclosure provides a high-activity memory-improving derivative peptide and use thereof in preparation of memory-improving medicaments, health care products or foods, and belongs to the field of biotechnology. According to the present disclosure, proline 3 (Pro3) of a pine nut high-activity memory-improving peptide, WYPGK, is completely substituted with common amino acids to obtain 19 derivative peptides, and the derivative peptides are subjected to molecular docking with mitochondrial deacetylase sirtuin 3 and are screened by binding energy to obtain derivative peptides WYEGK, WYKGK, WYSGK, and WYFGK; solid-phase chemical synthesis is conducted by a peptide synthesizer; the derivative peptides are purified by reversed phase high performance liquid chromatography (RP-HPLC) and prepared by electrospray ionization mass spectrometry (ESI-MS). Morris water maze for scopolamine-induced memory impairment model mice demonstrates that the derivative peptides have high memory-improving activity.

Abstract: The present invention relates to a compound simultaneously having triple activities of thrombolysis, antithrombosis and free radical scavenging, as well as the preparation method, composition, and applications thereof. The compound is represented by the formula I shown below: wherein the definitions of T, Q, R1 and R2 are described herein. The compound of the present invention simultaneously has triple functions of thrombolysis, free radical scavenging and thrombus-targeting/antithrombosis. The present invention also relates to a pharmaceutical composition comprising the compound, and a preparation method and a nanostructure of the compound.

Abstract: An apparatus and methods for determining features in an image of a Hematoxylin and Eosin (H&E) stained tissue sample. An apparatus can be configured to apply a machine learning model to the H&E stained tissue sample image to determine features in the image.

Abstract: A fiber optic temperature sensor, a sensing head structure, and a manufacturing method are provided. The fiber optic temperature sensor includes a broad spectrum light source, a first fiber optic coupler, a spectrometer, a first sensing interferometer, and a second sensing interferometer. The first sensing interferometer and the second sensing interferometer have opposite temperature responses. A first free spectral range corresponding to the first sensing interferometer is close to but not equal to a second free spectral range corresponding to the second sensing interferometer. In the fiber optic temperature sensor, two sensing interferometers both sensitive to temperature are used, and the two sensing interferometers have opposite temperature responses, thereby achieving an enhanced vernier effect, and improving the sensitivity of temperature measurement.

Abstract: A process diagnosis system includes a digital twin calculation unit, a process diagnosis calculation unit, and a remote calculation analysis unit. The digital twin calculation unit obtains a vibration-related parameter and a cutting-related parameter of a processing device, and performs a simulation calculation for the vibration-related parameter, the cutting-related parameter and a three-dimensional model corresponding to the processing device to generate a three-dimensional calculation result. The process diagnosis calculation unit receives a three-dimensional calculation result and displays the three-dimensional calculation result. The remote calculation analysis unit receives the three-dimensional calculation result, and performs a simulation analysis for the three-dimensional calculation result to generate an analysis result.

Abstract: This application discloses a method for switching an execution environment and a related device thereof, to effectively prevent a hacker from maliciously accessing a TEE through ATF. The method in this application includes: After writing a first virtual address into a return address register of the TEE, the ATF determines whether the first virtual address is within a valid address range, and switches to the TEE based on the first virtual address only when determining that the first virtual address is within the valid address range.

Abstract: A touch display device, relating to the technical field of display, and capable of reducing interference between signals and reducing production costs. The touch display device comprises a touch display module, a flexible printed board, and a touch chip. The flexible printed board is electrically connected to the touch display module, and comprises a first flexible substrate, a first metal pattern layer, a second metal pattern layer, and a metal shielding layer. The first metal pattern layer comprises a plurality of first touch wires. The second metal pattern layer comprises a plurality of data wires. The metal shielding layer is located between the first flexible substrate and the first metal pattern layer. A ratio of the longitudinal length of the metal shielding layer to the longitudinal length of the flexible printed board ranges from 20% to 40%.

Abstract: A dodge method of machining path and a machining system is provided. By inserting a flag into an original machining path, an interference between the flag and a suction cup of a support unit is determined. A coding instruction is inserted at the interference to edit the original machining path, thereby generating an edited machining path. Therefore, when a machining equipment executes the edited machining path, the support unit may smoothly dodge a knife of the machining equipment.

Abstract: The system includes a track lining apparatus and two tamping apparatuses arranged in parallel, wherein the track lining apparatus includes two track lining hydro-cylinders, and the track lining hydro-cylinder communicates with a hydraulic control system through an oil inlet pipeline and an oil return pipeline; pressure sensors configured to detect pressures of the pipelines are provided on the oil inlet pipeline and the oil return pipeline; the tamping apparatus includes two pairs of tamping components arranged on both sides, where the tamping component includes a pair of packer arms and two pairs of packers; a dynamic force sensor is provided at a joint between the packer arm and the packer, and the dynamic force sensor can detect a transient dynamic downward insertion force generated when the packer is inserted into the ballast bed.

Abstract: A semiconductor structure is provided. The semiconductor structure includes: a base substrate having an opening; and a first gate layer formed in the opening. In the first gate layer closes a top of the opening and the first gate layer includes at least one void. The semiconductor structure further includes a second gate layer formed on the first gate layer. An atomic radius of the material of the second gate layer is smaller than gaps among atoms of the material of the first gate layer and the void is filled by atoms of one of the material of the first gate layer and the material of the second gate layer.

Abstract: A fiber optic temperature sensor, a sensing head structure, and a manufacturing method are provided. The fiber optic temperature sensor includes a broad spectrum light source, a first fiber optic coupler, a spectrometer, a first sensing interferometer, and a second sensing interferometer. The first sensing interferometer and the second sensing interferometer have opposite temperature responses. A first free spectral range corresponding to the first sensing interferometer is close to but not equal to a second free spectral range corresponding to the second sensing interferometer. In the fiber optic temperature sensor, two sensing interferometers both sensitive to temperature are used, and the two sensing interferometers have opposite temperature responses, thereby achieving an enhanced vernier effect, and improving the sensitivity of temperature measurement.

Abstract: A system for acceleration adjustment of machine tool at rapid traverse includes a signal measurement module, a signal judgment module and an acceleration optimization module. The machine tool has a servo motor and a working platform. The signal measurement module measures signals while the servo motor drives the working platform from a first specific position to a second specific position, or from the second specific position back to the first specific position. The signal judgment module judges whether the actual maximum current value of the motor is equal to the manufacturer's specification according to the signals; and if negative, the acceleration optimization module calculates and optimizes an axial acceleration till an optimal value is achieved. Then, a curve smoothing time of the optimal acceleration is calculated and optimized by the acceleration optimization module. In addition, a method for acceleration adjustment of machine tool at rapid traverse is provided.

Abstract: A process diagnosis system includes a digital twin calculation unit, a process diagnosis calculation unit, and a remote calculation analysis unit. The digital twin calculation unit obtains a vibration-related parameter and a cutting-related parameter of a processing device, and performs a simulation calculation for the vibration-related parameter, the cutting-related parameter and a three-dimensional model corresponding to the processing device to generate a three-dimensional calculation result. The process diagnosis calculation unit receives a three-dimensional calculation result and displays the three-dimensional calculation result. The remote calculation analysis unit receives the three-dimensional calculation result, and performs a simulation analysis for the three-dimensional calculation result to generate an analysis result.

Abstract: An apparatus in the field of optics technology, can include a reflector, a reflector substrate, and an extinction component. The reflector can be mounted on the reflector substrate. The extinction component can be arranged on a front surface of the reflector substrate. The reflector can be configured to reflect incident light signals. The extinction component can be configured to reduce the scattered light produced by the incident light signal on the reflector substrate. An optical scanning device (for example, lidar) having such features may greatly reduce the scattered light inside the lidar, reduce the detection blind area caused by the stray light, and greatly improve the receiving and detecting capabilities of the lidar.

Abstract: A method for analyzing an overcutting defect of a machining process comprises steps as following. A machining code is executed to generate a cutting face, wherein the cutting face comprises a plurality of machining paths. A specified machining path is defined from the plurality of machining paths and a specified node is set on the specified machining path. A sectional plane passing through the specified node is calculated. A plurality of intersection points between the sectional plane and the other machining paths which are different from the specified machining path are obtained. A first adjacent intersection point a second adjacent intersection point are specified from the intersection points. A connection line located between the first adjacent intersection point and the second adjacent intersection point is obtained. A distance between the specified node and connection line is calculate and the distance is defined as an overcutting amount of the specified node.

Abstract: A predictive maintenance system and method for intelligent manufacturing equipment is provided. The predictive maintenance system includes a first-stage predictive maintenance module, a second-stage predictive maintenance module, and a maintenance decision module. The first-stage predictive maintenance module includes an acquisition module, a human-computer interaction module, a calculation module, and a storage module. The second-stage predictive maintenance module includes a communication module, a setting module, and a prediction module. The maintenance decision module is configured to receive a first-stage remaining service life calculated by the first-stage predictive maintenance module and a second-stage remaining service life predicted by the second-stage predictive maintenance module, and determine a predictive maintenance strategy of the intelligent manufacturing equipment according to the first-stage remaining service life and the second-stage remaining service life.

Abstract: An air pressure sensor based on a suspended-core fiber and a side-hole fiber is provided and includes a broadband light source, an optical fiber circulator, a sensing head and a spectrometer; the optical fiber circulator is connected with the broadband light source, the sensing head and the spectrometer; the sensing head includes a single mode fiber, a multimode fiber, the suspended-core fiber and the side-hole fiber; the single mode fiber is connected with the suspended-core fiber through the multimode fiber; and the multimode fiber is connected with the side-hole fiber through the suspended-core fiber. The sensor uses a fabrication method of fiber fusion, and the operation is simple; the sensor has advantages of small volume, compact structure and convenient use; the sensor has good stability without adhesive; additionally, parallel connection of double cavities could produce vernier effects, so the sensor has good contrast of interference spectrum and high sensitivity.

Abstract: The present disclosure provides a high-activity memory-improving derivative peptide and use thereof in preparation of memory-improving medicaments, health care products or foods, and belongs to the field of biotechnology. According to the present disclosure, proline 3 (Pro3) of a pine nut high-activity memory-improving peptide, WYPGK, is completely substituted with common amino acids to obtain 19 derivative peptides, and the derivative peptides are subjected to molecular docking with mitochondrial deacetylase sirtuin 3 and are screened by binding energy to obtain derivative peptides WYEGK, WYKGK, WYSGK, and WYFGK; solid-phase chemical synthesis is conducted by a peptide synthesizer; the derivative peptides are purified by reversed phase high performance liquid chromatography (RP-HPLC) and prepared by electrospray ionization mass spectrometry (ESI-MS). Morris water maze for scopolamine-induced memory impairment model mice demonstrates that the derivative peptides have high memory-improving activity.