Abstract: Embodiments of the present disclosure provide a puncture device and a puncture system. The puncture device includes a puncture needle mechanism, a mobile mechanism, and a clamping mechanism. The clamping mechanism is provided on the mobile mechanism and is capable of clamping or releasing the puncture needle mechanism. The puncture device enables a puncture operation to be performed remotely, ensures that image assistance is available in real-time during the puncture operation, and improves the precision, safety, and smoothness of the puncture operation.

Abstract: Disclosed are a dynamic error measurement apparatus, system, and method for an electricity meter. The measurement apparatus includes a test signal generation unit configured to generate a voltage test signal and two-circuit current test signals, output the voltage test signal to a measurement unit, and output the two-circuit current test signals to the measurement unit and a current summation unit; the measurement unit configured to determine two-circuit electric energy values based on the voltage test signal and the two-circuit current test signals, and output the two-circuit electric energy values to a calculation control unit; the current summation unit configured to determine a combined current signal based on the two-circuit current test signals; and the calculation control unit configured to determine a total electric energy value based on the two-circuit electric energy values. The system includes a standard meter and a measurement apparatus.

Abstract: A system can include a memory device containing blocks made up of wordlines respectively connected to sets of memory cells, and a processing device, operatively coupled with the memory device to perform operations including responsive to receiving a read request that specifies a block, determining a value of a metric reflective of a number of programmed wordlines of the block. The operations can also include responsive to determining, based on the value of the metric, that the block is in a partially programmed state, identifying a read voltage offset corresponding to the value of the metric, and performing, using the read voltage offset, a read operation responsive to the read request.

Abstract: A comprehensive geological-engineering classification evaluation method for low-permeability reservoirs, includes: constructing geological classification evaluation indexes of a reservoir: adopting gray correlation method to obtain main controlling factors of reservoir geology of the low-permeability reservoirs that affects fracturing effects; based on the main controlling factors of the reservoir geology, constructing the geological classification evaluation indexes of low-permeability reservoirs by principal component analysis; constructing engineering classification evaluation indexes of the reservoir: adopting gray correlation method to obtain main controlling factors of geomechanics of the low-permeability reservoirs that affects fracturing effects; based on the main controlling factors of geomechanics, constructing the engineering classification evaluation indexes of low-permeability reservoirs by an analytic hierarchy process; and according to classification limit values of the geological classificatio

Abstract: The present invention relates to novel use of koumine, an alkaloid monomer from Gelsemium elegans Benth., or a pharmaceutically acceptable salt thereof, and more particularly to use of koumine or its pharmaceutically acceptable salt in the preparation of a medicament for the treatment of inflammatory bowel disease.

Abstract: The present invention relates to a degradable vascular stent capable of avoiding late restenosis, comprising a base region formed by a polylactic acid based polymer; at least one storage region in which an active agent is stored; and an outer layer of a drug sustained release coating covered on the base region and/or the storage region. Before the mass of the polylactic acid based polymer is decreased by 10-20%, the active agent is retained in structural units of the polylactic acid based polymer. After the mass of the polylactic acid based polymer is decreased by 10-20%, the active agent is released from the storage region. The base region provides a supporting capacity for ensuring patency of blood vessels; the drug sustained release coating is used for drug release in an early stage; and the active agent only works in late degradation of the stent to avoid late restenosis.

Abstract: A system includes a memory component, and a processing device coupled with the memory component. The processing device to identify a group of management units of the memory component, wherein the group of management units is included in a set of retired groups of management units, select a management unit from the group of management units, perform a media integrity check on the management unit to determine a failed bit count of the management unit, and in response to the failed bit count of the management unit failing to satisfy a threshold criterion, remove the group of management units from the set of retired groups of management units.

Abstract: A light emitting keyboard includes a frame having a translucent frame body, a plurality of key modules each having a keycap, and a backlight module including a light source circuit board, a first light guide plate disposed on top of the light source circuit board, a second light guide plate disposed under the light source circuit board, a plurality of first light-emitting members extending upwardly through the first light guide plate, a plurality of second light-emitting members extending downwardly through the second light guide plate, and a reflector plate disposed under the second light guide plate. Light emitted from the first light-emitting members is transmitted in the first light guide plate and projects upwardly onto the keycaps. Light emitted from the second light-emitting members is transmitted in the second light guide plate is reflected by the reflector plate, and projects onto the frame body.

Abstract: There is provided an information processing method, apparatus, electronic device, and storage medium for information processing. The information processing method includes: receiving first task information; and displaying second task information in a task interface after a first preset control in the first task information is triggered, where participants of the first task information and the second task information are different, and display regions for the participants are different from display regions for executors or creators of corresponding task information. By enabling a user to follow or participate in the first task information in response to an operation on the first preset control in the first task information, and displaying the second task information including following or participation information in the task interface, corresponding users can be informed about the progress of corresponding tasks in time and can receive notifications of the progress of the corresponding tasks in time.

Abstract: The disclosure relates to the technical field of computers, in particular to an information processing method and apparatus, an electronic device, and a storage medium. The information processing method provided by the disclosure includes: displaying a messaging interface, the messaging interface being configured to display a chat message; determining at least one chat message in the messaging interface; and in response to a task creation instruction, generating task information based on the determined message. According to the information processing method provided by the disclosure, by determining the chat message in the messaging interface and generating the task information based on the determined chat message, it can be facilitated for a user to create a task based on the chat message in the messaging interface, thereby improving the creation efficiency of the task information.

Abstract: A programming operation is performed on a first set of memory cells addressable by a first wordline (WL), wherein the first set of memory cells are comprised by an open translation unit (TU) of memory cells. It is determined that a second set of memory cells comprised by the open TU are in a coarse programming state, wherein the second set of memory cells is addressable by a second WL. In response to determining that the second set of memory cells satisfies a threshold criterion, a programming state verify level associated with the second WL is reduced by a verify level offset. A programming state gate step size associated with each WL of the open TU is reduced by a predefined value. A programming operation is performed on the second set of memory cells using the reduced programming state verify level and the reduced programming state gate step size.

Abstract: The present disclosure relates to a batch sintering method for a high-property silicon nitride ceramic substrate. The batch sintering method includes: (1) silicon nitride ceramic substrate green bodies are stacked and put into a boron nitride crucible, and a layer of boron nitride powder is applied between adjacent silicon nitride ceramic substrate green bodies; (2) after step-by-step vacuumization, debinding is performed in a nitrogen atmosphere or a reducing atmosphere at 500° C. to 900° C.; (3) gas pressure sintering is then performed in a nitrogen atmosphere at 1800° C. to 2000° C., completing the batch preparation of the high-property silicon nitride ceramic substrate.

Abstract: Provided is a rectangular waveguide-to-microstrip in-phase high-isolation broadband power divider.

Abstract: Systems and methods for synchronizing a customer's shopping experience over multiple channels are disclosed. A transaction record is generated in response to a purchase of goods, and transaction data is extracted from the transaction record and stored in a transaction database. Customer identities are extracted from the transaction record and stored in a customer identity database, wherein the transaction data extracted from the transaction record is associated with the customer identities. A plurality of customer identities are identified that are associated with a user and those identified customer identities that are applicable to the use case of the system are determined. Use case specific information is generated based, at least in part, on transaction data associated with each of the determined customer identities.

Abstract: A first read operation is performed on a first set of memory cells addressable by a first wordline (WL), and a second read operation is performed on a second set of memory cells addressable by a second WL, wherein the first set of memory cells and the second set of memory cells are comprised by an open TU of memory cells. A first threshold voltage offset bin associated with the first WL is identified. A second threshold voltage offset bin associated with the second WL is identified. Respective threshold voltage offset bins for each WL of a plurality of WLs coupled to respective sets of memory cells comprised by the open TU are determined based on at least one of the first threshold voltage offset bin and the second threshold voltage offset bin. Respective default threshold voltages for each WL of the plurality of WLs are updated based on the threshold voltage offset bins.

Abstract: A drug-loaded macromolecule and a preparation method therefor, the macromolecule specifically being a dentritic polymer loaded with a drug and a pharmacokinetic modifier, and relating in particular to connecting the drug to the dentritic polymer by means of a specific linker. The present macromolecule can be used to regulate the release speed of the drug, specifically by means of the selection of linker.

Abstract: The present disclosure relates to the use of an NK1 antagonist prodrug compound and a 5-HT3 receptor antagonist. In particular, the present disclosure relates to the use of a compound represented by formula (I) or a pharmaceutically acceptable salt thereof in combination with a 5-HT3 receptor antagonist in the preparation of a drug for preventing or treating nausea and/or vomiting.

Abstract: A request to perform a memory access operation on a plurality of memory cells of a memory device is received. In response to determining that the request is from a host, a first error recovery operation is performed, wherein the first error recovery operation is associated with a first plurality of demarcation voltages. In response to determining that the request is from a controller, a second error recovery operation is performed, wherein the second error recovery operation is associated with a second plurality of demarcation voltages, wherein the second plurality of demarcation voltages comprises a greater number of demarcation voltages than the first plurality of demarcation voltages.

Abstract: A sectional type card feeding mechanism and method. The mechanism includes: a rear section mechanism including a rear section frame and a rear section belt, the rear section belt being movably connected to the rear section frame in a lengthwise direction of the rear section frame to convey cards; and a front section mechanism including a front section frame which is connected to an end of the rear section frame, the rear section belt driving the cards to be transferred to the front section frame to be discharged. The process of card feeding is divided into two sections. Cards are placed on the rear section belt of the rear section mechanism, and after the rear section belt conveys the cards to one end of the front section frame, the cards are sent to the other end of the front section frame to be discharged.