Abstract: The present disclosure discloses a method for collaboratively controlling a multi-channel braking system of a mine hoist, including obtaining the abrasion loss of the brake shoe by detecting position information of the brake shoe of each of disc brakes in real time, dividing abrasion loss levels by determining different abrasion degrees of the brake shoe, formulating three braking force distributing modes: an average distribution, a proportional distribution, and an index distribution according to the abrasion loss levels, thereby dynamically adjusting a set braking pressure of each of the disc brakes, tracking and controlling the set braking pressure through the disc brakes by adopting a pressure closed-loop control method by utilizing a pressure signal feedback from an oil pressure sensor, implementing a collaborative braking control of the multi-channel braking system of the mine hoist based on the abrasion loss of the brake shoe.

Abstract: A battery pack and an apparatus, relating to the field of energy storage devices. The battery pack includes: a first box body, where the first box body includes a frame and a cross beam, the cross beam is disposed within the frame, and the cross beam has a hollow structure and is provided with an exhaust vent; a baffle plate, connected to the cross beam and sealing the exhaust vent; and a battery cell, accommodated in the first box body and including an explosion-proof valve, where the explosion-proof valve faces towards the baffle plate. The baffle plate is configured to exit a state of sealing the exhaust vent when the explosion-proof valve of the battery cell bursts.

Abstract: A movement trajectory generation method includes obtaining first positioning information, obtaining attitude information of a movable platform, generating a movement trajectory of the movable platform according to the first positioning information and the attitude information of the movable platform, obtaining second positioning information, and correcting the movement trajectory according to the second positioning information.

Abstract: A composition comprising: an organic semiconductor comprising one or more aromatic or heteroaromatic moieties; one or more cations covalently bonded to the organic semiconductor, or to a second material; and at least one anion donor selected from the class of divalent and higher valent anions; wherein the organic semiconductor has an electron affinity between 1.5 and 4.5 eV.

Abstract: The present invention provides an air purifier which includes an outer case (10) having a filtering cavity (15) and a driving cavity (16) space apart from each other, a filter (20) received in the filtering cavity (15), a driving fan (30) received in the driving cavity (16). The outer case has at least one air inlet (17) and an air output arrangement (11). The air purifier further includes an air hub (40) provided between the filtering cavity (15) and the driving cavity (16). The air hub (40) includes a first air drawing frame (41) and a second air drawing frame (42). The first air drawing frame (41) extending within a central cavity (21) of the filter (20) and is coaxially formed with respect to the filter (20). An axial direction of the first air drawing frame (41) is aligned with a longitudinal axis of the driving fan (30). The second air drawing frame (42) peripherally, upwardly and radially extends from the first air drawing frame (41) toward an upper end of the filter (20).

Abstract: Embodiments of this application provide a battery and an electric apparatus. The battery includes a battery cell group and one or more thermal management components. The battery cell group includes a plurality of battery cells, and the one or more thermal management components are configured to regulate temperature of the battery cell group, where at least two surfaces of the battery cell are thermally connected to the one or more thermal management components.

Abstract: A beacon map construction method, a device, and a computer-readable storage medium are provided. In the method, obtaining measured positions of beacons at the (i?1)-th station point by a measuring equipment; obtaining a first pose constraint relationship of the measuring equipment at the i-th station point relative to the (i?1)-th station point; obtaining a second pose constraint relationship of the i-th station point relative to beacons at the i-th station point, based on a pose of each of the beacons at the i-th station point, and the positions of the beacons at the (i?1)-th station point; determining an error equation of the i-th station point based on the first pose constraint relationship and the second pose constraint relationship; and optimizing the error equation to determine a position of the i-th station point, and constructing a beacon map based on the determined position of the i-th station point.

Abstract: The disclosure provides an optical imaging lens assembly, which sequentially includes, from an object side to an image side along an optical axis: a first lens with a positive refractive power; a second lens with a negative refractive power; a third lens with a positive refractive power, an object-side surface thereof being a convex surface; a fourth lens with a refractive power; a fifth lens with a refractive power, an object-side surface thereof being a concave surface, while an image-side surface being a convex surface; a sixth lens with a refractive power; a seventh lens with a refractive power; an eighth lens with a refractive power; and a ninth lens with a refractive power. ImgH is a half of a diagonal length of an effective pixel region on an imaging surface of the optical imaging lens assembly, and ImgH meets 6.5 mm?ImgH?7.5 mm.

Abstract: A method includes forming a plurality of semiconductor regions on a wafer, placing the wafer in an etching chamber, globally heating the wafer using a heating source, and projecting a laser beam on the wafer. When the wafer is heated by both of the heating source and the laser beam, the plurality of semiconductor regions on the wafer are etched.

Abstract: This application relates to a vehicle, a battery, and a driving apparatus, where the battery includes: a first box body; a second box body connected to the first box body; a plurality of battery units accommodated inside an enclosure defined by the first box body and the second box body; and a sealing gasket located between the first box body and the second box body whereby the first box body and the second box body are hermetically connected. The first box body and/or the second box body is provided with a first protruding portion, a side wall of the sealing gasket is provided with a notch portion, and the notch portion runs through the sealing gasket along a thickness direction of the sealing gasket, and the first protruding portion extends into the notch portion so that the first protruding portion fits with the notch portion.

Abstract: A fishing reel includes a body frame, a spool, an acceleration detector, a braking device, and one or more processors. The spool is rotatably arranged at the body frame and configured to wind a fishing line. The acceleration detector is configured to detect a line release acceleration of the fishing line. The braking device is configured to apply resistance to the spool. The one or more processors are connected to the acceleration detector and the braking device and configured to control the braking device to apply the resistance to the spool according to the line release acceleration to cause a rotation speed of the spool to match a line release speed of the fishing line.

Abstract: A method for dynamically acquiring maximal oxygen consumption includes acquiring user's age, gender, weight, resting heart rate and maximum heart rate; detecting basic heart rate data comprising a plurality of exercise heart rates and basic speed data comprising a plurality of exercise speeds; calculating a characteristic heart rate and a characteristic speed based on the basic heart rate data and the basic speed data; and calculating the user's maximal oxygen consumption according to the user's age, gender, weight, resting heart rate and maximum heart rate, the characteristic heart rate and the characteristic speed. The maximal oxygen consumption for each exercise can be dynamically calculated and the result is accurate.

Abstract: A semaglutide soluble microneedle composition and a preparation method therefor are disclosed. The soluble microneedle composition comprises a needle material and a base material. The needle material comprises semaglutide and hyaluronidase, and a mass ratio of semaglutide to hyaluronidase is (0.05-172):1. The semaglutide and the hyaluronidase are combined to prepare the soluble microneedle composition, so that the semaglutide can be better promoted to diffuse into the systemic circulation. Compared with a semaglutide oral tablet, the soluble microneedle composition has the advantages that the blood sugar regulating effect is improved by nearly 40 times, the bioavailability of semaglutide is improved, and the dosage and the cost of the hypoglycemic drug are reduced. Moreover, the soluble microneedle technology causes no pain during use and reduces the discomforts of users.

Abstract: A method for evaluating a probability of road collapse is provided, which includes: collecting road data information of the road to be analyzed, and obtaining road soil layer information and underground pipeline information respectively through the road data information; determining road soil layer deterioration factors based on the road soil layer information; constructing a deterioration factor influence intensity model combined with the road soil layer information to obtain the probability of the influence of the road soil layer deterioration factors; constructing an underground pipeline deterioration influence intensity model combined with the underground pipeline information to obtain the probability of the underground pipeline deterioration influence; summarizing the probability of the influence of the road soil layer deterioration factors and the probability of the underground pipeline deterioration influence, and then evaluating the probability of road collapse, improving the scientific nature and acc

Abstract: A power management system, which is applied to an electronic device comprising a control circuit and a wireless communication device, is disclosed. The power management system comprises a first power management circuit, configured to provide first power to the control circuit; and a second power management circuit, configured to provide second power to the wireless communication device. The second power is controlled by the control circuit in a first mode of the electronic device. The second power is controlled by the second power management circuit and not controlled by the control circuit in a second mode of the electronic device. A power management method corresponding to the power management system is also disclosed.

Abstract: An organic composition comprises at least one donor material and at least one acceptor material. The donor material comprises at least one organic conjugated polymer or organic conjugated small molecule. The acceptor material comprises a first acceptor material, and the first acceptor material comprises Formula I: The naphthalene ring group at the end of the Formula I can effectively improve the stability of the material. Substituents R5, R6, R7 and R8 with at least one substituent can adjust the energy level of the material to facilitate matching with different donor materials. The invention also provides an organic optoelectronic device comprising a first electrode, an active layer and a second electrode. The active layer comprises the organic composition. The organic optoelectronic device has good responsibility, dark current, detectivity and photoelectric conversion efficiency, and the organic optoelectronic device has good stability.

Abstract: An fishing device includes a fishing rod, a reel, a fishing line, a first detector, a second detector, and a control assembly. The reel is arranged at the fishing rod and includes a spool. The fishing line is wound around the spool and includes a plurality of detection marks arranged along an axial direction of the fishing line at intervals. The first detector is configured to detect the detection marks to obtain a line release speed of the fishing line. The second detector is configured to detect a rotation speed of the spool. The control assembly is configured to control a brake assembly to brake the spool according to the line release speed to cause the rotation speed of the spool to match the line release speed.

Abstract: The present invention is related to a use of prochlorperazine (PCP), or analog thereof for treating a cancer in a subject by influencing membrane proteins and receptors and inducing alterations in the expressions of the surface marker on cancer cells and their derived extracellular vesicles. The invention method offers a novel approach for the treatment and diagnosis of cancer and metastasis. Specific surface markers serve as a potential candidate for cancer-associated extracellular vesicles (EVs) and have applications in diagnosis, prognosis, and therapeutic targeting.

Abstract: A fishing reel includes a body frame, a line winding mechanism, and a motion capture device. The line winding mechanism is at least partially arranged in the body frame and configured to move relative to the body frame to wind fishing line. The motion capture device is arranged at the line winding mechanism and configured to collect motion data of the line winding mechanism.

Abstract: The disclosure provides an electronic fuse (eFuse) device and an operation method thereof. The eFuse device includes an eFuse, a readout circuit, a register, and a safety control device. The readout circuit reads out target data recorded by the eFuse to the register and the safety control device. The safety control device compares the target data provided by the readout circuit with the target data provided by the register to determine whether a soft error occurs in the target data stored in the register. When the soft error occurs in the target data stored in the register, the readout circuit reads out the target data recorded by the eFuse again to the register and the safety control device.