89results about How to "Reliable preservation" patented technology

The invention discloses a method for managing the high reliability of electric energy measurement data, mainly comprising the steps of preserving and dividing backup regions, preserving the measurement data and recovering the current measurement data. The invention ensures that the data can be preserved more accurately by setting a plurality of data backup regions, provides full preparation for recovering the data, ensures that the data can be recovered or updated more accurately through various judgments and verifications and effectively ensures the reliability of the measurement data. Besides, the position of an indicator is judged before a random storage receives the data and the length of a buffer zone is reasonably set, thereby the measurement data can not be damaged by other modules.

The invention discloses a system for testing the dynamic parameter of a high-speed electromagnetic valve for a knitting machine. The system comprises a testing table (1), a measurement and control circuit board (2), an upper computer (3) and an external power supply module (4), wherein the upper computer (3) comprises a data acquisition card and an image acquisition card; the data acquisition card is used for communicating with the measurement and control circuit board (2) and measuring a voltage signal to be tested, which is output by the measurement and control circuit board (2); and the image acquisition card is used for synchronously acquiring and storing output data of a high-speed line scanning camera (5) and has the function of synchronously triggering a measurement interface circuit board (12). In the system, by adopting a machine vision-based non-contact measurement method and a design method of a virtual instrument, using a general computer and the data acquisition card and combining a self-developed hardware testing platform, the dynamic response time of the electromagnetic valve is accurately measured, and necessary testing data is provided for the design and inspection of electromagnetic valve products.

A rotor of a steam or gas turbine is equipped with rotor blades, which are held in the rotor (6) in a plurality of radial rows and comprise a blade foot 1 installed in the rotor (6), a blade leaf (2) and a cover plate (3). An open pocket (5) is prepared in the sloping surfaces of the cover plates (3) of a row of rotor blades, which the sloping surfaces are located opposite each other. The pockets (5) of two adjacent cover plates (3) form together an essentially closed cavity, which expands in the radial direction of the rotor (6). A pin, whose largest cross section is smaller than the largest cross section of the cavity but larger than the smallest cross section of the cavity, is placed freely movably into each cavity.

A copyright protection method for digital media is disclosed. The present invention is designed to solve the problems of the existing media protection systems and to satisfy all of media owners, distributors, and consumers. The copyright protection method according to the present invention can be applied to any type of digital media and makes no assumptions on any particular media properties. The method employs symmetric and asymmetric cryptographic protection techniques as well as a digital watermarking method. Cryptography is used to provide the security of the copyright information access for media managers. Digital watermarking is used to modify the played or recorded media signals to keep track a list of involved playing devices in order to detect any illegal copy maker and to identify any legal copy from illegal copies.

The invention provides a power failure data protection device of a real-time control system. The power failure data protection device comprises a power module, a power failure detection module, a main controller and a storage, wherein the power module adopts 220V alternating current for inputting; after the current is processed by a transformer, a rectifier and a voltage stabilizer, work voltage is provided to the main controller and the storage; a plurality of storage elements which are arranged in parallel are also arranged on the power module, are charged with power when power does not fail, supply power to the main controller and the storage when power fails, and are used for storing real-time running data when power fails; the main controller is used for receiving a detection result signal output by the power failure detection module, executing an interrupt program on the basis of a power-off state input by the 220V alternating current, controlling protection on field data, writing indication bytes into the storage, and writing the data required to be stored into the storage. According to the power failure data protection device provided by the invention, reliable storage of the field data can be realized when the control system is suddenly powered off or the power of the control system fails.

The invention provides a method for automatically installing operating system, for installing operating system on BIOS/EFI interface of a computer, comprising the steps of: generating operating system automatic response file; starting BIOS/EFI virtual FD function to generate virtual FD; copying the operating system response file into the virtual FD; and inserting operating system installation media into the computer and according to the operating system installation media and the operating system automatic response file, making automatic installing of the operating system, thus making a computer thoroughly discarding the physical FD, reducing the cost and improving file read-write reliability, and implementing simpler and more reliable operating system automatic installation.

The invention relates to a high-reliable disk array system for configuration information. The disk array system comprises a disk array and a system disk, wherein the disk array is composed of physical disks, the system disk is installed in the disk array and connected with the disk array through a universal serial bus (USB) port, the system disk is a USB startup disk format and comprises a storage operating system, an application program and a mirror image of the configuration information, and the storage operating system and the application procedure are used for managing the disk array. The disk array composed of the physical disks is constructed on a basis of an X86 structure, and an area is divided from the tail end of each of the physical disks and used for storing the configuration information and association attributes of the configuration information. According to the high-reliable disk array system for the configuration information, the copied configuration information can be directly saved in the disks and the system disk, double backups are achieved, and the disk array system is reliable.

A method and system are provided for timing analysis of an electronic circuit design. A timing graph defines a plurality of timing paths through different subsections of the electronic circuit design. A timing window is defined for each of the nodes included in a timing path. At least one preliminary round of a predetermined signal integrity analysis is executed on the circuit design based on the timing windows to identify at least one pair of crosstalk-coupled victim and aggressor nodes. Each victim node's timing window is adaptively adjusted according to a predetermined timing property thereof. At least one primary round of the predetermined signal integrity analysis is executed on the electronic circuit design based in part on this adaptively adjusted timing window for each victim node to generate a delay, which is annotated to the timing graph. A predetermined static timing analysis is executed based on the delay-annotated timing graph.

The invention relates to an embedded video monitoring and digital video network based on visual information detection. The control flow is as follows: (1) collecting an on-site image to be transferred to a monitoring centre; (2) analyzing two images by a frame differential method before and after being collected; if the on-site image changes, transferring the current image, otherwise, collecting the on-site images repeatedly and continuing the step 2; (3) managing abnormal images by a network video server SPFW to be saved to a hard disk memorizer YPCZ. The invention adopts a B/S system structure (a browser/a server structure). Aiming at the application of the video monitoring and supervision, and on the basis of ensuring validity and reliability of the data saving of the monitoring images, the invention not only greatly reduces the memory space, but also saves the network transmission bandwidth and reduces the burden on the network transmission.

The invention relates to a biological detection reagent and a preparation method thereof, and particularly relates to a detection reagent for a mycoplasma bovis antibody and a preparation method thereof. The detection reagent for the mycoplasma bovis antibody is composed of one part of a mycoplasma bovis P48 recombined and expressed fusion protein antigen and one part of 10% hydroformylation-tanned sheep red blood cells (v/v) which are uniformly mixed. The gene sequence of the P48 recombined and expressed fusion protein antigen for the detection reagent for the mycoplasma bovis antibody is SEQ ID No.1. The detection reagent can be used for really detecting mycoplasma bovis and has the advantages of long preservation time, high sensitization titer, easiness in long-time preservation, high blood coagulation titer, simplicity in operation, convenience and rapidness, low cost, safety and stability, no toxin, no environmental pollution and the like.

The invention discloses a starting basket device capable of actively adjusting the bubble breaking pressure of a metal net curtain. The device comprises a low-temperature storage tank wrapped with a heat insulation layer, a liquid discharge outlet is formed in the bottom of the low-temperature storage tank, a starting basket is placed at the bottom in the low-temperature storage tank, an exhaust pipe is arranged at the top of the starting basket, and a second metal net curtain is arranged at an outlet in the top of the exhaust pipe; solenoids are arranged around the exterior of the low-temperature storage tank, or the solenoids are arranged in the low-temperature storage tank and soaked in liquid hydrogen and liquid oxygen fluid; the solenoids are connected with a power supply through an electric wire; an electric switch is arranged on the electric wire; a magnetic field is introduced by utilizing the characteristic of weak magnetism of liquid hydrogen and liquid oxygen, and the bubblebreaking pressure of the metal net curtain in the starting basket is changed by adjusting the electrification of the solenoids, the electrification direction, the current magnitude and the like, so that the stability of the starting basket in a liquid storage stage is improved, and the liquid filling rate in a refilling stage is increased.

The invention discloses a method for controlling generator tripping based on a minisatellite dual-computer system, and belongs to the field of satellite computers. According to the control method forgenerator tripping based on the minisatellite dual-computer system, dual computers are monitored by watchdogs, and the method comprises the following operations: when a host is on duty, enabling the host to regularly write data into a host FIFO and a standby FIFO; if dog bite occurs once, submitting NMI interruption, recording and rewinding the satellite computer application program, and running the satellite computer application program again; if dog bite occurs twice continuously, resetting the host system, enabling software and hardware of the host system to recover to the initial state, and enabling the program to run again; if dog bite occurs for three times continuously, powering up a standby machine, automatically transmitting data to the FIFO of the standby machine by the FIFO of the host machine after the standby machine is reset, finishing data migration after the standby machine extracts the data, and rerunning the system. According to the invention, the problem of long-timegaps in the flight mission switching process is solved.

The invention discloses a droplet vitrification cryopreservation method for stem tip of whortleberry, which is a simple and effective method for saving high-quality germplasm resources of whortleberry with long-term security, stability, and reliability. The method in the invention takes terminal bud stem tip as the cryopreservation material, which, on one hand, is convenient in obtaining materials, and has high hereditary stability on the other hand because the stem tip contains stem tip meristem with strong cell regeneration capacity; after cryopreservation, the survival rate of the stem tip of the whortleberry reaches 100%, and the rate of regeneration of the stem tip is 91.7%.

Mixture of dimethyl dicarbonate and at least one organic acid from the series of the di- and tricarboxylic acids and their salts are outstandingly suitable for the sterilization and preservation of beverages.

The invention relates to the technical field of commodity traceability, in particular to a commodity traceability block chain system and a secret key storage and retrieval method. The system comprisesan enterprise party unit, a supervisor party unit, a producer sub-workshop unit, a supervisor sub-workshop unit and a plurality of sub-workshop employee units, a supervision department is added intothe system, whole-process information supervision of the whole production process of commodities is achieved, so that the issued information has higher authority, and the appearance of counterfeit andinferior products in the market is effectively eradicated. According to the secret key storage and retrieval method, the watermark adopts a frequency domain blind watermark adding method, so that thehiding property and the attack resistance of the watermark are stronger; besides, the digital watermarking mode is adopted, and extraction of the secret key information is not influenced by distortion conditions related to image gray level and the like, so that the secret key storage and retrieval method combines the image threshold secret segmentation technology with the digital watermarking technology, and the secret key storage is safer and more reliable in extraction.

The invention discloses a financial derivative digital transaction system based on trusted computing and a smart contract, and relates to the technical field of digital commodity transaction. The system mainly comprises a block chain module which is used for bearing a digital transaction platform, releasing an intelligent contract and deploying an oracle machine contract, and a transaction platform module which is used for retrieving and purchasing digital commodities; the digital management contract is used for managing release of transaction data and user authorization; the digital transaction contract is used for calling the oracle machine contract to safely and efficiently obtain out-of-chain information and execute a transaction; and a cloud service side which comprises a trusted computing module. According to the financial derivative digital transaction system based on trusted computing and the intelligent contract, efficient safety guarantee is provided, user privacy and transaction data are powerfully protected, meanwhile, transaction timeliness is considered, and market prosperity is promoted.

The invention belongs to the technical field of catering, in particular to a cylinder catering structure. Rice food or dish food or dumplings or noodle is put in a container; the container is made of flour products or rice flour products or potato flour product or corn flour products, and is externally provided with packaging paper or a packaging bag; and the container is put in an external packaging container made of plastic products or paper products, and the upper opening of the external packaging container is provided with a sealing cover or a sealing film. When the cylinder catering structure is used for having a meal, food and the edible container can be taken out and eaten together only by peeling off the sealing cover or the sealing film without the assistance of chopsticks, spoons, and the like; the packaging paper or the packaging bag enables the hands of a human not to contact with the food so as to ensure the sanitation; and the external packaging container can provide reliable protection, storage or takeaway carrying.

The invention provides a vaccination monitoring method and system. The method comprises the following steps: acquiring vaccination registration information; wherein the vaccination registration information comprises registration information of the reserved recipient; calling the corresponding target recipients in sequence according to the vaccination registration information, and automatically popping up the corresponding vaccines when a preset condition is met; and after it is determined that the vaccine meets the inoculation requirement and is matched with the registration information of thetarget recipient, uploading the electronic supervision code of the vaccine injected into the target recipient to a server. According to the invention, the information of the vaccine in the whole period is associated, so that the vaccine is effectively and reliably stored while the vaccine is practically and effectively monitored.

The invention discloses a hosta undulata bailey test-tube plantlet preservation culture medium and application thereof, and belongs to the technical field of plant tissue culture. The hosta undulata bailey test-tube plantlet preservation culture medium is an MS culture medium comprising cane sugar, mannitol, abscisic acid, chlormequat chloride and agar. The culture medium disclosed by the invention is used for preserving test-tube plantlets of the hosta undulata bailey, the test-tube plantlets of the hosta undulata bailey can be preserved for 6 months, the survival rate of the preserved material is 100%, and the plant is stable in phenotype and free of degeneration and variation after being recovered and cultured. The culture medium is low in cost, overcomes the defects that an existing preservation culture medium is short in preservation time and phenotypes are prone to variation after preservation, can be applied to preservation of hosta undulata bailey germplasm resources and is huge in application value.