Abstract: Provided in the present disclosure is a control system for a heat supply apparatus of a nuclear power plant, comprising: a first-stage pressure measurement means configured for measuring a first-stage pressure of a turbine to obtain a first-stage pressure signal; a high-exhaust pressure measurement means configured for measuring an exhaust pressure of a turbine high-pressure cylinder to obtain an exhaust pressure signal; a steam extraction heating flow rate measurement means configured for measuring a steam extraction heating flow rate to obtain a steam extraction heating flow rate signal; a data acquisition module configured for acquiring and transmitting the measured first-stage pressure signal, the measured exhaust pressure signal and the measured steam extraction heating flow rate signal to a core operation processing module; the core operation processing module; and a the signal output module.

Abstract: A distributed data storage control method, including: receiving, through a proxy node, an access request for a target file in a NAS cluster, and determining target metadata corresponding to the access request; determining, based on metadata of the target file and distributed lock setting information, whether the target metadata needs to be synchronously valid with a distributed lock of the target metadata; when a determination is yes, if a current distributed lock of the target metadata is invalid, sending a first lock request to a distributed lock management and control node; configuring, through such node and in response to receiving the first lock request, the distributed lock of the target metadata for the access request, and returning response information to the proxy node; and controlling, based on the distributed lock of the target metadata, the access request for the target file in the NAS cluster.

Abstract: Embodiments of the present disclosure provide a distributed data storage control method and apparatus, and an electronic device. The method includes: receiving, by a proxy node, a first change request for a target file in a NAS cluster, wherein the first change request is used to directly or indirectly trigger to change target metadata of the target file; allocating, by a distributed lock control node in the NAS cluster in response to the first change request, a corresponding distributed lock, and returning first response message to the proxy node; receiving, by the proxy node, the first response message, and configuring a corresponding local memory lock for the distributed lock corresponding to the first change request; and controlling a change of the target metadata of the target file in the NAS cluster based on the first change request with the distributed lock and the local memory lock.

Abstract: The present disclosure relates to a distributed data storage control method and apparatus, a readable medium, and an electronic device. The method includes: after receiving a write lock and modifying a file size according to the write lock, caching, by a worker node, the modified file size in the worker node until a write lock request sent by a distributed lock management and control node for taking back the write lock is responded to, and then transmitting the modified file size to the distributed lock management and control node, so that the distributed lock management and control node updates the file size.

Abstract: Provided in the present disclosure is a control system for a heat supply apparatus of a nuclear power plant, comprising: a first-stage pressure measurement means configured for measuring a first-stage pressure of a turbine to obtain a first-stage pressure signal; a high-exhaust pressure measurement means configured for measuring an exhaust pressure of a turbine high-pressure cylinder to obtain an exhaust pressure signal; a steam extraction heating flow rate measurement means configured for measuring a steam extraction heating flow rate to obtain a steam extraction heating flow rate signal; a data acquisition module configured for acquiring and transmitting the measured first-stage pressure signal, the measured exhaust pressure signal and the measured steam extraction heating flow rate signal to a core operation processing module; the core operation processing module; and a the signal output module.

Abstract: A preparation method for a high-adsorption-capacity granular aluminum salt lithium extraction adsorbent includes: step 1, preparation of lithium-intercalated aluminum salt precursor slurry by uniformly mixing an aluminum source, a lithium source and water, and then adding alkali liquor to adjust the pH value so as to obtain the wet lithium-intercalated aluminum salt precursor; step 2, integrated granulation, which includes preparing a VC composite adhesive; blending and homogenizing; and granulating; and step 3, drying, washing and activating the granulated adsorbent to obtain the granular aluminum salt lithium extraction adsorbent.

Abstract: A preparation method for a functional material for extracting lithium from an aluminum salt includes the following steps: step 1, preparation of an aluminum salt functional material precursor slurry: mixing polyaluminum, a lithium source and water in proportion, adding an additive, performing ultrasonic stirring to obtain a mixed salt solution, adding an alkali liquor or a basic salt solution into the mixed salt solution at a certain flow rate, adjusting the pH value, and then performing constant-temperature stirring reaction to obtain a lithium-intercalated aluminum salt functional precursor slurry; and step 2, preparing a functional material for extracting lithium from an aluminum salt, namely performing solid-liquid separation, washing and drying on the precursor slurry obtained in the step 1 to obtain the functional material for extracting lithium from an aluminum salt. Cheap polyaluminum is used as an aluminum source, and the water solubility is good.

Abstract: Embodiments of the present disclosure provide a method, apparatus, device and storage medium for data processing. If a kernel module sends a data calling request to a userspace process, first modification time information and second modification time information of data corresponding to the data calling request are obtained by the userspace process. The first and second modification time information are used to indicate modification time information of the data in the kernel module and in a file service end, respectively. The first and second modification time information are compared by the userspace process. If the first and second modification time information are inconsistent, a verification invalidation result is returned to the kernel module. The data in the kernel module is invalidated by the kernel module according to the verification invalidation result. The data in the file service is synchronized by the userspace process to the kernel module.

Abstract: Embodiments of the present disclosure provide a method, apparatus, device and storage medium for data processing. If a kernel module sends a data calling request to a userspace process, first modification time information and second modification time information of data corresponding to the data calling request are obtained by the userspace process. The first and second modification time information are used to indicate modification time information of the data in the kernel module and in a file service end, respectively. The first and second modification time information are compared by the userspace process. If the first and second modification time information are inconsistent, a verification invalidation result is returned to the kernel module. The data in the kernel module is invalidated by the kernel module according to the verification invalidation result. The data in the file service is synchronized by the userspace process to the kernel module.

Abstract: Embodiments of the present disclosure provide a method, an apparatus, a device and a storage medium for data request processing. The method is applied at a filesystem in userspace which includes a kernel module and a userspace process. The method includes: obtaining a data request list in the kernel module, where the data request list includes a plurality of data requests to be processed and virtual address information corresponding to respective data requests of the plurality of data requests; querying, for each of the data requests, physical address information corresponding to the virtual address information, according to the virtual address information corresponding to the data request; querying target cached data corresponding to the data request, from a plurality of cached data stored in the kernel module; accessing the target cached data, and processing the data request.

Abstract: A preparation method for a titanium-based lithium ion exchanger includes the following steps: step 1, preparation of lithium metatitanate precursor, namely, uniformly mixing titanium source, lithium source and water in proportion by ball milling, adding an adjuvant, and allowing reaction by ultrasonic heating and stirring, so as to obtain the lithium metatitanate precursor powder; step 2, preparation of lithium metatitanate powder, including spray drying and microwave calcination with the lithium metatitanate precursor to obtain the lithium metatitanate powder; and step 3, elution and replacement, namely, leaching out Li with an eluent to obtain lithium ion exchanger. The preparation method is a solid-liquid phase contact reaction so that the ratio of raw materials can be accurately controlled. The synthesis reaction is strengthened by ultrasound. Titanium is controlled at a relatively excessive proportion to prepare the lithium metatitanate powder with high porosity and good filterability.

Abstract: Disclosed are an on-line health management device and an on-line health management method for an insulated gate bipolar transistor. The device comprises: an electrothermal detection module, configured to detect a junction temperature and a temperature rise of the insulated gate bipolar transistor based on operating condition parameters of the insulated gate bipolar transistor in combination with a structure of the insulated gate bipolar transistor; a degradation detection module, configured to detect a performance degradation degree of the insulated gate bipolar transistor based on the operating condition parameters, the structure, the junction temperature and the temperature rise of the insulated gate bipolar transistor; and a lifetime detection module, configured to detect a consumed lifetime of the insulated gate bipolar transistor based on the performance degradation degree thereof.

Abstract: The invention relates to information security technologies, provides a content security transmission device and a content security transmission system which separate data transmission function of a digital interface from data management and processing function thereof, and provides a content security transmission method based on the device and the system. The content security transmission protection device comprises digital interfaces and a management/processing unit, the management/processing unit is configured in a specific chip in the device, used for updating a revocation list stored therein and collecting information from downstream devices. A transmitting device and a forwarding device in the content security transmission protection system comprise digital interfaces and management/processing units.

Abstract: The invention relates to information security technologies, provides a content security transmission device and a content security transmission system which separate data transmission function of a digital interface from data management and processing function thereof, and provides a content security transmission method based on the device and the system. The content security transmission protection device comprises digital interfaces and a management/processing unit, the management/processing unit is configured in a specific chip in the device, used for updating a revocation list stored therein and collecting information from downstream devices. A transmitting device and a forwarding device in the content security transmission protection system comprise digital interfaces and management/processing units.

Abstract: The present invention relates to a paper-breaker touching safety protector, of which the control circuit unit is connected with the paper-breaking machinery part via the motor driving circuit unit, the control circuit unit is connected with the conductive touch panel via the touch detecting circuit unit, the power unit is connected respectively with the control circuit unit and motor driving circuit unit, wherein the touch detecting circuit unit includes the bio-voltage control switch circuit and ground switch circuit, the input control terminal of bio-voltage control switch circuit is connected with the conductive touch panel, the output terminal of control switch circuit is connected with the input control terminal of the ground switch circuit, the output terminal of the ground switch circuit is connected with the input control terminal of the control circuit unit.

Abstract: The present invention relates to a paper-breaker touching safety protector, of which the control circuit unit is connected with the paper-breaking machinery part via the motor driving circuit unit, the control circuit unit is connected with the conductive touch panel via the touch detecting circuit unit, the power unit is connected respectively with the control circuit unit and motor driving circuit unit, wherein the touch detecting circuit unit includes the bio-voltage control switch circuit and ground switch circuit, the input control terminal of bio-voltage control switch circuit is connected with the conductive touch panel, the output terminal of control switch circuit is connected with the input control terminal of the ground switch circuit, the output terminal of the ground switch circuit is connected with the input control terminal of the control circuit unit.