Abstract: A camera optical lens is provided, including from an object side to an image side: a first lens; a second lens having negative refractive power; a third lens; a fourth lens; a fifth lens; a sixth lens; a seventh lens; an eighth lens; and a ninth lens, wherein the camera optical lens satisfies the following conditions: 2.00?f1/f?5.50; and 1.50?d15/d16?9.00, where f denotes a focal length of the camera optical lens; f1 denotes a focal length of the first lens; d15 denotes an on-axis thickness of the eighth lens; and d16 denotes an on-axis distance from an image side surface of the eighth lens to an object side surface of the ninth lens. The above camera optical lens can meet design requirements for large aperture, wide-angle and ultra-thinness, while maintaining good imaging quality.

Abstract: A casing of a battery, a battery and an electricity-consuming apparatus are provided by the present application. The casing of the battery includes a first beam, a second beam and a connecting assembly. A surface of the first beam is provided with a groove. The second beam is arranged on a side of the first beam provided with the groove. The first beam and the second beam is configured to limit a space for accommodating a battery cell. The connecting assembly is configured to connect the first beam with the second beam. At least a portion of the connecting assembly is arranged inside the first beam and the second beam.

Abstract: The invention belongs to the technical field of batteries, and discloses a phosphate-based flame-retardant electrolyte and a lithium-metal battery, and the phosphate-based flame-retardant electrolyte consists of a lithium salt, a phosphate solvent and a diluent. According to the invention, dimethyl (2-methoxyethoxy)methylphosphonate or diethyl (2-methoxyethoxy)methylphosphonate is used as a novel phosphate solvent, an electrolyte system with local high salt concentration is adopted, most phosphate solvent molecules are complexed with Li at the local high salt concentration by adjusting dosages of the lithium salt, the phosphate solvent and the diluent, so almost none of free solvent molecules exist, thus inhibiting irreversible decomposition of phosphate molecules on a surface of a l i-anode, and meanwhile, the flame retardancy of the phosphate solvent greatly improves the safety of the lithium-metal battery.

Abstract: A medical device (100), comprising: a stent graft (110), defined thereon with an opening (111); a catheter (120), configured to be partially arranged inside the stent graft (110); and a restraint member (130), configured to apply a radial compression force to the stent graft (110), so as to radially compress the stent graft (110) into a compressed configuration; the medical device (100) is configured so that the opening (111) is in positional correspondence with a distal end of the catheter (120) when the stent graft (110) is in the compressed configuration; the distal end refers to an end that first enters a body of a patient during use of the medical device (100). The medical device (100) can be used for the treatment for vascular lesions involving the aortic arch, which is favorable for establishing access in the branch vessel and shortening the operation duration.

Abstract: A monitoring system based on a digital converter station includes a first monitoring terminal deployed at a first-level monitoring side, a second monitoring terminal deployed at a second-level monitoring side, and a third monitoring terminal deployed at a third-level monitoring side; the monitoring terminal at each level includes a communication module, a human-machine interaction module, a device status monitoring module, a device alarm management module, a video fusion processing module, and a data transmission adjustment and control module.

Abstract: A tumor diagnosis system and a construction method thereof, a terminal device and a storage medium are provided, wherein a radiomics signature is obtained by a radiomics signature-generation module in the tumor diagnosis system according to target radiomics information and clinical data information, based on a pre-trained radiomics signature model; a first classification comprehensive diagnosis result is obtained by a benign and malignant comprehensive classification module according to a ambient situation of a lesion outside an intestinal wall, the clinical data information and a first radiomics signature, based on a pre-trained first classification comprehensive diagnosis model; a second classification comprehensive diagnosis result is generated through a malignant focus sub-classification module based on a pre-trained second classification comprehensive diagnosis model, if the first classification comprehensive diagnosis result includes high-risk malignant information; and a final diagnosis result is obtai

Abstract: Disclosed is a method for training an abnormal-detection model based on an improved denoising autoencoder, including: acquiring an original image; generating a rectangular frame according to a preset range of a resolution ratio, by the improved denoising autoencoder, and occluding the original image by the rectangular frame, wherein the resolution ratio is a ratio of a resolution of an occlusion area formed by the rectangular frame to a resolution of the original image; filling random noise in the rectangular frame to obtain a noised image, by the improved denoising autoencoder; and performing constraint learning on the original image and the noised image, by the abnormal-detection model, to implement training of the abnormal-detection model. Because a learning task is more complex, it is helpful to alleviate identity mapping, and detection performance of the model is improved. The present application further provides an apparatus, a device, and a readable storage medium thereof.

Abstract: The present application discloses a method and a device for user grouping and resource allocation in a NOMA-MEC system. The hybrid deep reinforcement learning algorithm proposed in the present application solves the hybrid problem of deep reinforcement learning that is difficult to deal with both discrete and continuous action spaces by using DDPG to optimize continuous actions and DQN to optimize discrete actions. Specifically, the algorithm determines a bandwidth allocation, an offloading decision, and a sub-channel allocation (user grouping) of the user device based on the user's channel state, in order to maximize the ratio of the computation rate to the consumed power of the system. The algorithm is well adapted to the dynamic characteristics of the environment and effectively improves the energy efficiency and spectrum resource utilization of the system.

Abstract: The present invention relates to a tricyclic compound used as a GPR84 antagonist, and in particular relates to a tricyclic compound having a structure shown in formula I, and tautomers, stereoisomers, hydrates, solvates, pharmaceutically acceptable salts or prodrugs thereof; the definitions of the ring Cy, L1, R1 are as described in the present invention; the tricyclic compound has significant GPR84 antagonism, good pharmaceutical developability and high safety.

Abstract: The present disclosure relates to a sgRNA and constructing a dual pig model of severe immunodeficiency and liver injury and use thereof. The method comprises the steps of knocking out RAG2, IL2R? and FAH genes in a porcine fetal fibroblast by using a CRISPR/Cas9 technology, constructing a RAG2?/?/IL2R??/Y/FAH?/? triple-gene edited cloned pig by using a somatic cell nuclear transfer technology, and obtaining a dual pig model of severe immunodeficiency and liver injury through phenotypic analysis and identification. The method overcomes the problems of long production period, low efficiency, irreversible damage, unsatisfactory use in a humanization degree and the like in the existing model construction technology, can realize a batch construction of the dual pig model of severe immunodeficiency and liver injury by a continuous cloning technology, and has great advantages and potential market application prospects in the related fields of tumor biology, cell transplantation, humanized animal models and the like.

Abstract: A system for predicting therapy resistance and its molecular mechanisms in rectal cancer before treatment is provided. The system includes a feature extraction device, a collection device, a signature construction device and a prediction device. The system can predict responses to neoadjuvant therapy in patients before treatment, analyze patients who are resistant to rectal cancer therapy and their underlying molecular mechanism, thereby enabling personalized therapy for patients who are resistant to rectal cancer therapy. The system has important clinical significance in improving the overall survival of rectal cancer patients.

Abstract: The present disclosure discloses a camera optical lens, which includes, from an object-side to an-image side: a first lens having a positive refractive power, a second, third, fourth, fifth, sixth, seventh and eight lens, which satisfies following conditions: 0.95?f/TTL; ?4.00?f2/f??2.00; and 2.50?(R7+R8)/(R7?R8)?15.00; where f denotes a focal length of the camera optical lens; TTL denotes a total optical length from an object-side surface of the first lens to an image surface of the camera optical lens along an optic axis; f2 denotes a focal length of the second lens; R7 denotes a curvature radius of an object-side surface of the fourth lens; R8 denotes a curvature radius of an image-side surface of the fourth lens. The camera optical lens can achieve good optical performance while meeting the design requirement for large aperture, long focal length and ultra-thinness (in a camera optical lens with the long focal length).

Abstract: Embodiments relate to interactively debugging non-native code inside native executables to identify erroneous execution logic and/or performance issues. The non-native code can be WebAssembly (WASM) code. Source smart contract code can be converted into a native binary in a format of a shared library. The shared library can be loaded by a blockchain executable when ready to load the smart contract for execution, and execution control can be passed to the shared library. A debugger can be attached to the host executable and single step through the smart contract code invoked. Embodiments relate to enabling interactive debugging of code as shared libraries (.

Abstract: This application provides a detection method for electrode plate, a detection apparatus for electrode plate, a stacking system, a detection device, and a computer-readable storage medium, where the electrode plate includes a coated portion and an uncoated portion located on at least one side of the coated portion in a longitudinal direction. The detection method includes: step S1000: obtaining dimensional parameters D1 . . . DN at different detection positions P1 . . . PN of the uncoated portion in a transverse direction perpendicular to the longitudinal direction; and step S2000: comparing the dimensional parameters D1 . . . DN with a dimensional detection standard S to determine whether the uncoated portion is folded, where N is a positive integer, and N is greater than or equal to 2.

Abstract: A liquid crystal composition containing a benzochromene compound and the use thereof in a liquid crystal display element or liquid crystal display. The liquid crystal composition comprises one or more compounds represented by Formula I and one or more compounds represented by Formula II. The liquid crystal composition has the characteristics of a small rotational viscosity, a large elastic constant, a high transmittance, a fast response speed, a strong resistance to ultraviolet light irradiation, and a high long-time light stability, and is particularly suitable for the field of TV display.

Abstract: Managing security access in real-time to a computer system using control lists includes detecting a security event at a computer system. The security event is analyzed including an analysis of a historical corpus having historical data of security events. An access control list is generated based on the security event. A determination is made when the security event includes abnormal behavior based on the analysis of the security event and the historical corpus. The security event is published to a monitoring system for controlling access to the computer system, in response to the security event.

Abstract: An unlocking assembly and a human body fixing device. The unlocking assembly includes a fixing plate, locking bodies, and a flexible member; the fixing plate is provided with fixing holes; the locking bodies are movably mounted in the fixing holes; the flexible member is connected to the locking bodies and is configured to drive the locking bodies to move towards a direction extending out of the fixing holes. Because the locking bodies are telescopically mounted in the fixing holes located on the fixing plate, and the flexible member can drive the locking bodies to move towards the direction extending out of the fixing holes, locking between the locking bodies and the fixing holes is released only by remotely controlling the flexible member.

Abstract: The invention discloses a combination of PVY monoclonal antibodies capable of recognizing different antigenic determinants, and a use thereof, and belongs to the biotechnological field. Monoclonal antibodies N1, M1, M2, M3 and C1 obtained in the invention have specific CDRs, and are significantly different from existing reported monoclonal antibodies. The five monoclonal antibodies and a combination thereof can recognize all or most PVY isolates which have been reported, thus reducing the possibility of detection omissions; and the five monoclonal antibodies do not react with other congeneric viruses and non-congeneric viruses, thus reducing the possibility of detection errors. Therefore, the monoclonal antibodies and the combination thereof can realize accurate PVY detection.

Abstract: Provided are a system and a method for positron emission computed tomography (PET) image reconstruction. The method may be implemented on a computing device having at least one processor and at least one storage device, comprising: determining correction data based on original PET data (210); determining reconstruction data to be reconstructed based on the correction data (220); and generating, based on the reconstruction data, one or more of a PET reconstruction image and a PET parametric image (230).

Abstract: The present disclosure provides a non-contact fatigue detection system and method based on rPPG. The system and method adopt multi-thread synchronous communication for real-time acquisition and processing of rPPG signal, enabling fatigue status detection. In this setup, the first thread handles real-time rPPG data capture, storage and concatenation, while the second thread conducts real-time analysis and fatigue detection of rPPG data. Through a combination of skin detection and LUV color space conversion, rPPG raw signal extraction is achieved, effectively eliminating interference from internal and external environmental facial noise; Subsequently, an adaptive multi-stage filtering process enhances the signal-to-noise ratio, and a multi-dimensional fusion CNN model ensures accurate detection of respiration and heart rate.