Abstract: The present disclosure provides a semiconductor device and an operating method thereof, and a system. The semiconductor device includes a memory cell array, word lines coupled to the memory cell array, and a peripheral circuit coupled to the word lines, wherein the peripheral circuit is configured to: perform a first program operation on a target memory cell set of a plurality of memory cell sets coupled to a selected word line, wherein the first program operation includes a plurality of first program cycles; and the target memory cell set includes a plurality of memory cells whose threshold voltages are to be programmed into a target threshold voltage distribution; and perform a second program operation on the target memory cell set, wherein the second program operation includes at least one second program cycle, the second program cycle includes a verify phase and a program phase after the verify phase.

Abstract: An example method of operating a memory device includes performing a program operation on a first memory cell in a first program operation phase and performing a program operation on a second memory cell and applying a program-inhibiting voltage to a first bit line coupled to the first memory cell in a second program operation phase. The first memory cell and the second memory cell are coupled to a same word line. A target threshold voltage of the first memory cell is greater than a target threshold voltage of the second memory cell. The first program operation phase precedes the second program operation phase.

Abstract: According to one aspect of the present disclosure, a semiconductor device is provided. The semiconductor device may include a peripheral circuit. The semiconductor device may include a memory cell array. The peripheral circuit may be coupled to the memory cell array, the memory cell array may include a plurality of memory regions, and each memory region may include a first number of memory blocks. The peripheral circuit may be configured to receive an operation instruction. The operation instruction may include address information for determining a target memory region in the plurality of memory regions and a second number of working memory blocks in the target memory region. The second number may be less than the first number. The peripheral circuit may be configured to perform a corresponding operation on the working memory blocks in response to the operation instruction.

Abstract: According to one aspect of the present disclosure, a semiconductor device is provided. The semiconductor device may include a memory array comprising a first memory string and a second memory string. The first memory string may include at least one first dummy memory cell. The semiconductor device may include a peripheral circuit coupled to the memory array and configured to perform a program operation on the at least one first dummy memory cell, such that a threshold voltage of the at least one first dummy memory cell is adjusted from an initial threshold to a first target threshold. In a case where the threshold voltage of the at least one first dummy memory cell reaches the first target threshold, a difference between a current of the first memory string and a current of the second memory string may be less than or equal to a preset threshold.

Abstract: The present invention discloses a nickel oxide-based iron-iridium bi-electrocatalytic catalyst, its preparation method and application, belonging to the technical field of catalytic materials. In the present invention, a nickel oxide material is prepared as a nickel oxide working electrode, and a mixed solution of an iron precursor, an iridium precursor, and an OH- source is used as an electrolyte. Iron-iridium bimetal is deposited on the nickel oxide working electrode by electrochemical deposition to obtain a nickel oxide-based iron-iridium bi-electrocatalytic catalyst. The preparation method provided by the present invention realizes the multi-scale dispersion of two metal elements, iron and iridium, on the surface of the nickel oxide support.

Abstract: This invention discloses a Co3O4@IrOx catalyst, its preparation method, and its applications, belonging to the technical field of catalyst materials for hydrogen production through water electrolysis. The  preparation  method  of the Co3O4@IrOx catalyst is as follows: using ZIF-67 as the core, adding a quaternary ammonium salt surfactant and an imidazole organic ligand, and reacting it with a zinc source to obtain a ZIF-67@ZIF-8 core-shell material; coating it on carbon paper to obtain a ZIF-67@ZIF-8 electrode sheet; pyrolyzing it to obtain a Co3O4@defective ZIF-8 electrode sheet; using a standard three-electrode system, with the Co3O4@defective ZIF-8 electrode sheet as the working electrode, performing pulsed potential etching in potassium hydroxide solution to obtain a Co3O4@vacancy-type ZIF-8 electrode sheet; and electrochemically depositing it in an iridium-containing potassium hydroxide solution to obtain the Co3O4@IrOx catalyst.

Abstract: A method and apparatus for collecting and processing flight fuel data, and a computer-readable medium. The method includes: acquiring flight schedule information of a flight from a flight list; determining and acquiring flight fuel data matching the flight schedule information of the flight; collecting, by a pre-constructed data collection component, the flight schedule information of the flight and a matched flight fuel data based on a set data collection protocol; and determining a fuel load planning center of gravity based on pre-configured fuel calculation parameters and the matched flight fuel data, to obtain a center of gravity index value of the flight.

Abstract: Aspects of the present disclosure relate to methods of cultivating genetically altered plants with increased activity of one or more of a NODULATION SIGNALING PATHWAY 1 (NSP1) protein or a NODULATION SIGNALING PATHWAY 2 (NSP2) protein that have increased mycorrhization and/or promoted symbiotic responses under high phosphate and/or high nitrate conditions. Further aspects of the present disclosure relate to methods of cultivating genetically altered plants with increased activity of a C-TERMINALLY ENCODED PEPTIDE (CEP peptide) that have increased mycorrhization and/or promoted symbiotic responses under high phosphate and/or high nitrate conditions. In addition, aspects of the present disclosure relate to methods of cultivating these plants that include exogenous application of strigolactones, karrikins, and/or CEP peptides to increase mycorrhization and/or promote symbiotic responses under specific nutrient conditions.

Abstract: Semiconductor devices, methods of operating thereof, systems and computer readable storage mediums are provided. An example semiconductor device includes a memory array and a peripheral circuit coupled to the memory array. The memory array includes a plurality of memory blocks. During an operation phase using the semiconductor device, the peripheral circuit is configured to: apply a first read voltage to a target word line coupled to a target memory block, apply a corresponding input voltage to a plurality of first select lines coupled to the target memory block respectively, apply a first turn-on voltage to a non-target word line coupled to the target memory block, and sense a current on a bit line coupled to the target memory block.

Abstract: Aspects of the present disclosure relate to methods of cultivating genetically altered plants with increased activity of one or more of a NODULATION SIGNALING PATHWAY 1 (NSP1) protein or a NODULATION SIGNALING PATHWAY 2 (NSP2) protein that have increased mycorrhization and/or promoted symbiotic responses under high phosphate and/or high nitrate conditions. Further aspects of the present disclosure relate to methods of cultivating genetically altered plants with increased activity of a C-TERMINALLY ENCODED PEPTIDE (CEP peptide) that have increased mycorrhization and/or promoted symbiotic responses under high phosphate and/or high nitrate conditions. In addition, aspects of the present disclosure relate to methods of cultivating these plants that include exogenous application of strigolactones, karrikins, and/or CEP peptides to increase mycorrhization and/or promote symbiotic responses under specific nutrient conditions.

Abstract: The present application provides memory devices, operating methods, and memory systems. An example memory device includes: a first, second, and third top select line, multiple word lines, multiple memory cells, and a peripheral circuit configured to: in a process of programming the multiple memory cells coupled to a selected word line of the multiple word lines, dynamically adjust an application approach of a select voltage on the second top select line depending on a distance between the selected word line and the third top select line; wherein when the first top select line reaches its select voltage is different from when the third top select line reaches its select voltage, and when the second top select line reaches its select voltage is not earlier than when the first top select line reaches its select voltage and not later than when the third top select line reaches its select voltage.

Abstract: The present disclosure provides a memory system, a memory, and an operation method of a memory. The memory system includes a memory and a memory controller coupled with the memory. The memory controller is configured to: send an erase operation instruction to the memory, the erase operation instruction including information of a memory block having data to be erased in the memory. The memory is configured to: in response to the erase operation instruction, set a dummy word line coupled with the memory block to a floating state when a bit line voltage or a source line voltage of the memory block rises to a first voltage, wherein the first voltage is related to an erase count of the memory block.

Abstract: Example memory devices, memory systems, and methods for managing over-programming in flash memory are disclosed. In one example, a method of operating a memory device includes, before erasing data in a memory block of the memory device, programing memory cells in the memory block to a pre-programmed state, and identifying a threshold voltage of the memory cells in the pre-programmed state. The method further includes, after erasing the data in the memory block, programing memory cells in the memory block using at least one program pulse determined based on the threshold voltage.

Abstract: An intelligent healthcare management system is provided. The intelligent healthcare management system includes a distributed computing system including one or more networked computers configured to execute in parallel to perform at least one common task; and one or more computer readable storage mediums storing instructions that, when executed by the distributed computing system, cause the distributed computing system to execute software modules. The software modules includes an internet-of-things platform server; a business server; a physiological parameter data analysis platform configured to provide one or more user interfaces for point-of-care physiological parameter data collection; a business-end management platform configured to store and manage historical physiological parameter data of customers associated with a business entity; and a customer-end personal data management platform configured to manage personal historical physiological parameter data specific for an individual customer.

Abstract: Examples of the present application provide a memory system and an operation method thereof, and a storage medium. The memory system includes: a memory device including memory blocks; and a memory controller coupled with the memory device and configured to: in response to a write command, based on a data retention parameter of each of the memory blocks, determine a second memory block from first memory blocks among the memory blocks, the first memory blocks being at least partly in an erased state, wherein the second memory block is a first memory block with a maximum data retention parameter among the first memory blocks; and write to-be-written data to the second memory block.

Abstract: Aspects of the present disclosure relate to methods of cultivating genetically altered plants with increased activity of one or more of a NODULATION SIGNALING PATHWAY 1 (NSP1) protein or a NODULATION SIGNALING PATHWAY 2 (NSP2) protein that have increased mycorrhization and/or promoted symbiotic responses under high phosphate and/or high nitrate conditions. Further aspects of the present disclosure relate to methods of cultivating genetically altered plants with increased activity of a C-TERMINALLY ENCODED PEPTIDE (CEP peptide) that have increased mycorrhization and/or promoted symbiotic responses under high phosphate and/or high nitrate conditions. In addition, aspects of the present disclosure relate to methods of cultivating these plants that include exogenous application of strigolactones, karrikins, and/or CEP peptides to increase mycorrhization and/or promote symbiotic responses under specific nutrient conditions.

Abstract: An intelligent healthcare management system is provided. The intelligent healthcare management system includes a distributed computing system including one or more networked computers configured to execute in parallel to perform at least one common task; and one or more computer readable storage mediums storing instructions that, when executed by the distributed computing system, cause the distributed computing system to execute software modules. The software modules includes an internet-of-things platform server; a business server; a physiological parameter data analysis platform configured to provide one or more user interfaces for point-of-care physiological parameter data collection; a business-end management platform configured to store and manage historical physiological parameter data of customers associated with a business entity; and a customer-end personal data management platform configured to manage personal historical physiological parameter data specific for an individual customer.

Abstract: Described herein are dry vaccine compositions and methods of freezing aluminum-containing vaccines such that when converted into a dried powder, the dry vaccine can be readily reconstituted to form a stable liquid vaccine without significant loss of activity.

Abstract: The present disclosure provides a solid waste treatment method, including following steps: screening off masses having a particle size greater than 0.5 cm from solid waste; adding extraction agents to the solid waste and then heating and stirring so that the solid waste is fully dispersed in the extraction agents; placing the mixed extraction agent in a centrifuge and centrifuging the mixed extraction feeding liquid phase separated by centrifuging into a rectification tower for rectification and cooling, recovering residual oil substances in a rectification kettle, separating mixture of cooled extraction agents and water, continuously adding the separated extraction agents into an extraction kettle for cyclic extraction, and conveying sewage to a sewage treatment plant to treat and discharging the sewage after the sewage reaches a treatment standard.

Abstract: The present disclosure provides a frequency converter. The frequency converter includes a box body and a bottom box. A bottom portion of the box body is fixedly connected with a top portion of the bottom box. A top portion of a left side of the box body and a bottom portion of the left side of the box body are fixedly connected to a respective fan. A top portion of a left side of an inner wall of the box body and a top portion of the left side of the inner wall of the box body are fixedly connected to a respective annular plate. One end of an output shaft of each fan is fixedly connected to a rotating rod. One end of each rotating rod away from the fan passes through the box body and extends to an interior of the box body.