Abstract: Disclosed in the present application is a medical instrument, which comprises a control device that is configured to execute the following step during an operation period: according to the difference value between a first specific time and a second specific time, determining a ventricular activation source of the heartbeat. According to the difference value between the first specific time and the second specific time, the present application determines the ventricular activation source of the heartbeat without the need of using time information of atriums and also without the need of waiting for a complete ventricular activation of the heart to finish, and moreover, without the need of using a morphological algorithm. In addition, the present application involves a simple classification mode and thus does not affect the energy consumption of medical instruments.

Abstract: Aspects and features provide system that accesses an activity log for a telecommunication system and detects, at the code level, sensitive information occurrences within the activity log. The system can anonymize the sensitive information occurrences, for example, using encryption. The system can generate different versions of the activity log including the sensitive information occurrences anonymized using encryption or removed. The system stores the activity logs in a log query database, or otherwise in some manner so that the system can receive log queries and display or print logs or portions of the logs needed to conduct troubleshooting, but with sensitive information occurrences obscured or removed. Different levels of access can be provided using role-based access control.

Abstract: The present invention provides a method for manufacturing a hot-dip galvanized steel sheet, comprising performing a heat treatment step, a hot dip plating step, and an alloying treatment step on a steel sheet having high Si and Mn content. The heat treatment step comprises a first heating phase and a soaking phase; a first heating atmosphere of the first heating stage contains 0.01-0.5% of O2 by volume, and the balance is N2 and inevitable impurities; a soaking atmosphere of the soaking stage contains 0.5% or more of H2 by volume, and the balance is N2 and inevitable impurities; dew points of the first heating atmosphere and the soaking atmosphere are controlled to be ??20° C. the method of the present invention, a hot-dip galvanized steel sheet having both a plating layer of sufficient Fe content and a high elongation at break rate can be obtained.

Abstract: Disclosed in the present invention is a cold-rolled steel sheet, which contains Fe and inevitable impurities, and further contains the following chemical elements in percentage by mass: C: 0.06-0.10 wt %, Si: 0.01-0.5 wt %, Mn: 1.6-2.5 wt %, Al: 0.01-0.07 wt %, Cr: 0.5-1.0 wt %, Mo: 0.1-0.3 wt %, Ti: 0.01-0.05 wt %, Nb: 0.001-0.03 wt %, B: 0.0001-0.005 wt %, and 0<N?0.006 wt %. A microstructure of the cold-rolled steel sheet is that spherical cementite particles are evenly distributed on a single-phase ferrite matrix, wherein a spheroidization rate of spherical cementite is greater than or equal to 90%. Correspondingly, further disclosed in the present invention are a manufacturing method for the cold-rolled steel sheet, and a stamping member manufactured by using the cold-rolled steel sheet.

Abstract: The present disclosure provides a decoding method and apparatus, and a device thereof. The decoding method includes: decoding a bit stream corresponding to a current image block to obtain a reconstructed image block, where the reconstructed image block includes a first initial component and a second initial component, where the resolution of the first initial component is greater than or equal to the resolution of the second initial component; generating an adjusted component corresponding to the second initial component based on the first initial component and the second initial component; performing feature enhancement on the adjusted component to obtain a restored target component corresponding to the second initial component. By the technical solution of the present disclosure, decoding performance can be improved, and decoding complexity can be reduced.

Abstract: An example device includes a plurality of capacitor and wireless charging coil series pairs that are collectively in parallel; and one or both of: a driver circuit configured to drive the plurality of capacitor and wireless charging coil series pairs with a first common signal; or a sink circuit configured to receive a second common signal from the plurality of capacitor and wireless charging coil series pairs.

Abstract: Provided in the present disclosure is a cardiac implant device. The cardiac implant device comprises: a fixation member, which has a collapsed state in which the fixation member can pass through a created opening in the atrial septum, and an expanded state in which a pair of securing portions formed on two sides of the atrial septum and clamp the atrial septum secure the fixation member to the atrial septum; and a shunt member, which is configured for attaching to the fixation member and passing through the created opening, and is configured to define a shunt channel that passes through the created opening and is in communication with the left atrium and the right atrium of a patient. The fixation member can be reliably secured to the atrial septum, and thus the shunt member attached to the fixation member can be reliably secured to the atrial septum.

Abstract: The present disclosure involves methods, apparatus, and systems for dynamically determining sensitivity in differential privacy. This can include: identifying a query for aggregate information from a source, wherein the aggregate information is associated with a plurality of users; grouping each piece of information in the source based on an associated user for that piece of information; determining, for each associated user, a primary aggregation, wherein the primary aggregation is a vector representing results to the query sorted by each associated user's contribution to the source; calculating, as a calculated user norm, a user norm for each user's primary aggregation; identifying a subset one or more users whose primary aggregation is greater than the sensitivity associated with the source; and truncating subset one or more users' primary aggregation by a ratio of their associated calculated user norm and the sensitivity.

Abstract: The present disclosure involves methods, apparatus, and systems for multi-layer noise generation in differential privacy (DP). This can include identifying an SQL query; performing an SQL rewrite of the SQL query by replacing at least one process with a DP process; executing the SQL query, and while executing the SQL query injecting noise during the DP process by: generating random noise; generating fixed noise; combining, as combined noise, the random noise and the fixed noise in a weighted sum; and injecting the combined noise during the DP process.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, are provided. One example method includes receiving an input prompt. For a first token in the input prompt, a utility metric comprising m utility scores is determined, each utility score indicating a relevance of a token in a vocabulary of m tokens with respect to the first token; the vocabulary of m tokens are assigned to N buckets based on the utility scores of the m tokens; bucket utility scores of the N buckets are determined based on utility scores of tokens assigned to the N buckets; a target bucket is sampled from the N buckets based on the bucket utility scores; and a replacement token corresponding to the first token is sampled from the target bucket. The method further includes generating a perturbed prompt corresponding to the input prompt, the perturbed prompt comprising the replacement token.

Abstract: A condenser includes first, second, and third heat exchange tube sets, a pair of first baffles, a second baffle, and a third baffle. The second and third heat exchange tube sets are arranged at two sides of the first heat exchange tube set, each pair of first baffles is respectively adjacent to the two sides of the first heat exchange tube set, the second baffle is adjacent to one side of the second heat exchange tube set proximate the first heat exchange tube set, and the third baffle is adjacent to one side of the third heat exchange tube set proximate the first heat exchange tube set. The baffles are configured to cause the first heat exchange tube set to receive refrigerant from a refrigerant inlet, and cause the second and third heat exchange tube sets to receive the refrigerant from the first heat exchange tube set.

Abstract: Provided in the present application are a decoding method and apparatus, a coding method and apparatus, and devices. The decoding method comprises: decoding a code stream corresponding to the current image block, so as to obtain a coefficient hyper-parameter feature corresponding to the current image block; determining a probability distribution parameter on the basis of the coefficient hyper-parameter feature; on the basis of the probability distribution parameter, decoding a code stream corresponding to the current image block, so as to obtain an initial reconstruction feature corresponding to the current image block; and on the basis of the initial reconstruction feature, determining a target reconstructed image block corresponding to the current image block. By means of the technical solution of the present application, the coding performance and the decoding performance can be improved.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, are provided. One example method includes receiving an input prompt. For a first token in the input prompt, m first utility scores are determined, where the kth first utility score (k=1, 2, . . . , m) indicates a relevance of the kth token in a vocabulary of m tokens with respect to the first token; the vocabulary of m tokens are assigned to buckets based on m first utility scores; m second utility scores are determined, where the kth second utility score is determined based on the kth first utility score, a quantity of tokens assigned to the same bucket as the kth token, and a noise; a candidate set of tokens is determined based on m second utility scores; and a replacement token is sampled from the candidate set. The method further includes generating a perturbed prompt comprising the replacement token.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, are provided. One example method includes receiving an input prompt in a natural language, the input prompt comprising a sequence of tokens. For a first token in the sequence of tokens, a context metric of the first token is determined in the context of the sequence of tokens in the input prompt, a distance metric is determined to indicate a distance between an embedding of the first token and an embedding of each of a set of tokens included in a vocabulary, a utility metric is determined based on the context metric and the distance metric, and a replacement token of the first token is sampled from the vocabulary based on the utility metric. The method further includes generating a perturbed prompt corresponding to the input prompt, the perturbed prompt comprising the replacement token.

Abstract: An air guide ring includes an annular air guide portion having an air duct that accommodates an impeller of an axial flow fan configured to rotate therein. The annular air guide portion has an inner side wall and an outer side wall, the air duct is enclosed by the inner side wall, and a plurality of noise reduction devices is arranged on the inner side wall of the annular air guide portion in a circumferential direction of the air guide ring The plurality of noise reduction devices is configured to reduce noise in the air duct.

Abstract: The present disclosure belongs to the field of image processing technologies, and in particular, to an image decoding method and apparatus, an image coding method and apparatus, a device and a storage medium. The image decoding method of the present disclosure includes: extracting image residual data or extended residual data from an image bitstream, and obtaining a plurality of extended residual groups based on the extracted image residual data or extended residual data; obtaining respective image reconstruction features corresponding to the extended residual groups by performing residual restoration on each of the plurality of extended residual groups; obtaining reconstructed feature data by performing spatial resolution amplification processing on the respective image reconstruction features corresponding to the extended residual groups; and obtaining a reconstructed image block by performing image reconstruction according to the reconstructed feature data.

Abstract: A falling film evaporator includes a housing defining an accommodating cavity and a cover provided in the accommodating cavity. The cover defines a cover accommodating cavity having a lower cover opening. The falling film evaporator further includes a gas flow channel located between the housing and the cover and enabling the lower cover opening to be in communication with a gas outlet provided at an upper portion of the accommodating cavity, and a plurality of flow guide members arranged in the gas flow channel along a height direction of the housing, where, in the height direction, one of two adjacent flow guide members is connected to the housing and is separated from the cover by a first distance, and the other of the two adjacent flow guide members is connected to the cover and is separated from the housing by a second distance.

Abstract: The present application belongs to the technical field of image coding and discloses an image reconstruction method and apparatus, device, and storage medium. The image reconstruction method includes: acquiring a quantization parameter and a prediction mode corresponding to a current coding block; adjusting a prediction granularity corresponding to the prediction mode; predicting according to the adjusted prediction granularity to obtain a prediction sample block; obtaining a reconstructed sample block based on the prediction sample block and the quantization parameter.

Abstract: A lithium ion secondary battery negative electrode additive includes polyaspartate salt and water.