460results about How to "Quick confirmation" patented technology

The invention provides a dynamic reactive power reserve optimization method for improving transient voltage stability of an alternating-current and direct-current power grid. The method comprises the steps of determining a key fault set and a key node set which influence the transient voltage stability of a power system, and sequentially ranking nodes; adjusting reactive power output of dynamic reactive power compensation equipment and calculating the trajectory sensitivity of the dynamic reactive power compensation equipment; ranking m dynamic reactive power compensation equipment and calculating the weight coefficients of the nodes in the dynamic reactive power compensation equipment; calculating the capacities of the dynamic reactive power compensation equipment, establishing a dynamic reactive power reserve optimization model and solving the dynamic reactive power reserve optimization model. The dynamic reactive power reserve optimization method for improving the transient voltage stability of the alternating-current and direct-current power grid provides auxiliary decision-making support for improving the transient voltage stability of the multi-direct-current-drop-point power grid, and has great importance in improving the allowance of the transient voltage stability of the large-scale alternating-current and direct-current power grid, establishing a smooth power transmission passage between a transmitting end and a receiving end, improving the transmission capacity of the alternating-current and direct-current power transmission passage and improving the operation economy and the power quality of the power grid.

An image file imaged by a digital camera is stored in a memory card, and the digital camera sets the number of prints for each image file according to the digital print order format (DPOF) standard and records the number as a printing information file in the memory card. When the number of prints is set, an image file in which at least one frame is designated for printing is determined to have a read-only file property in order to prevent the image file from being erased against the designation for printing. There is provided a mode for collectively designating all frames for printing.

The present invention relates to an apparatus for detecting the leakage of fluid flowing inside a pipe or a valve in a quick and accurate manner using ultrasonic wave, sound, and temperature variations, and to a method for measuring fluid leakage using same. To this end, the apparatus of the present invention comprises: ultrasonic leakage measuring means arranged at a valve and at the entrance ofa fluid inlet pipe from among the pipes connected to the valve to measure the leakage of fluid from the valve through the use of ultrasonic waves; sound leakage measuring means arranged at the fluid inlet side and the fluid outlet side of the valve body to measure the leakage of fluid from the valve through acoustic signals; and temperature leakage measuring means arranged at the fluid inlet sideand the fluid outlet side of the valve body to measure variations in the temperature of the valve. The present invention accurately measures a relatively low rate of fluid leakage from the valve or pipe by using ultrasonic waves, acoustic signals, and temperature variations. Further, leakage rate data obtained from the measurement can be quantized and compared with a valve under the same conditions to check the leakage rate in an easy and quick manner. In addition, fluid leakage can be accurately measured even in the event the fluid leakage rate of the valve or pipe is relatively high.

The invention discloses an isothermal amplification kit for detecting SARS-COV-2 and a primer probe set. The kit comprises (1) inactivated lysate; and (2) an isothermal amplification system: a reaction buffer solution Buffer A, magnesium acetate Buffer B, negative control, nuclease-free water, a primer probe set and RAA enzyme. The lysate is used for rapid inactivation and release of viral nucleicacid, an isothermal amplification technology is utilized for rapidly enriching and amplifying a target area, whether a specific amplified product exists is rapidly determined through combination of aprobe with modification groups and a product with biotin, by a lateral chromatography technology and by use of colloidal gold developing. The kit is simple to operate, professional extraction reagents and detection instruments are not required limitation of detection laboratories and professionals is freed, the kit can perform rapid detection in an instrument-free state outdoors, the whole process only needs 30 min, and reading is very convenient.

The invention provides a dynamic reactive standby optimization method for increasing the safety level of direct current commutation. The method includes the following steps that a key fault set and a key direct current inversion side converter station node set affecting the safety level of direct current commutation are determined, and all key direct current inversion side converter station nodes are sequenced; reactive output of generators is adjusted, and the reactive voltage control sensitivity of the generators is calculated; the m generators are sequenced, and the weight coefficient of the generators is calculated; reactive standby capacities of the generators are calculated, and a dynamic reactive standby optimization model is established and solved. The dynamic reactive equipment standby capacities are reasonably set, and the safety level of direct current commutation can be effectively increased; the dynamic characteristic of a system is considered in detail, the dynamic reactive compensation equipment standby capacities can be determined more accurately, and a basis is provided for optimization operation of a power grid.

The invention discloses a human body identity identification instrument based on an eyeground retinal vessel. The identification instrument is characterized in that a single hand-hold handle digital camera with a particular diopter camera lens collects an eyeground retinal vessel image, C language, MATLAB (matrix laboratory), gauss filtration and the like are used for carrying out identification pretreatment on the eyeground retinal vessel image and the characteristics of the eyeground retinal vessel are extracted, thereby obtaining part sectional image data and a retinal vessel characteristic node axis picture; and an internet and a retina characteristic data base of a server terminal are linked, and automotive comparation and analysis can be performed, thereby judging the identity of a person, and realizing the high accuracy and high anti-falsification property of human body identity identification. The human body identity identification instrument provided by the invention has the advantages of simple structure and convenience in carrying, and is particularly suitable for the fields such as frontier inspection, criminal investigation, forensic testimony, medical service and the like.

The invention discloses a mobile terminal network switching apparatus and network switching method. The network switching method comprises: confirming a first connection mode preferentially connected by a current network, and obtaining transmission real parameters of the current network; reading transmission lower limit parameters of a preset first connection mode, and comparing the transmission real parameters with the transmission lower limit parameters; and switching the current network to a standby second connection mode when the transmission real parameters are all lower than the transmission lower limit parameters correspondingly, wherein the transmission real parameters comprise a data sending rate, a data receiving rate and a current network signal intensity indication. The method determines the transmission real parameters of the current network in a connection state by confirming the connection mode of the current network, and switches a network connection mode according to the comparison between the transmission real parameters and the preset transmission lower limit parameters, and accordingly, under a multi-network connection mode, a mobile terminal can rapidly confirm a connection mode at the same time of guaranteeing a network rate, and maintain data transmission stability.

The invention discloses a method for quickly measuring circuit power consumption, wherein a power supply circuit in a circuit to be measured is designed by adopting a voltage stabilizer and the insideof the voltage stabilizer realizes voltage-stabilizing output by a negative feedback principle; and a path of voltage-stabilizing source is added at a voltage output end of the voltage stabilizer, the output voltage Vext of the voltage-stabilizing source is higher than the practical output voltage Vout of the voltage stabilizer, the output current Iext of the voltage-stabilizing source is read and the circuit power consumption is calculated by substituting the Vext and the Iext in a formula P=Vext*Iext. Under the conditions that wire jumping phenomenon does not occur and any devices on a circuit board are not taken off, the method for measuring circuit power consumption can quickly, accurately and non-destructively measure the current consumption conditions of a plurality of power domains, thereby calculating the power consumption of various paths of submodules to be measured or subsystems to realize quick positioning and confirmation of abnormal power consumption problem and furtheraccelerating the research and development and maintenance speed of electric appliances.

The invention provides a mobile terminal and a method for positioning based on radio frequency identification (RFID). The mobile terminal comprises a microwave antenna, a radio frequency identification analog front end module connected with the microwave antenna, a positioning processing module connected with the microwave antenna, and a digital baseband processing module connected with the radio frequency identification analog front end module and the positioning processing module respectively. The positioning method comprises that: a first terminal transmits a radio frequency signal for requesting positioning; the first terminal receives a radio frequency signal which is returned by a second terminal and is used for responding to positioning; the first terminal acquires corresponding power value, phase and time according to the radio frequency signal for requesting positioning and/or the radio frequency signal for responding to positioning; and the first terminal acquires positioning information according to the power, phase and time. Therefore, the mobile terminal and the method for positioning based on RFID can realize real-time positioning function and accurately and rapidly determine a relative position of the opposite side in an electromagnetic induction range.

The invention discloses a method and a device for providing InPrivate browsing. The method comprises steps as follows: an identity recognition mark of a current user is acquired, and identity recognition of the user is performed; when a user account of the current user exists, an InPrivate browsing window, accessed last time by the current user, in InPrivate access records is opened for the current user; when the user account of the current user doesn't exist, a new user account is automatically created according to the acquired identity recognition mark of the current user, and a new InPrivate browsing window is opened for the current user; the InPrivate access records of the user are saved when the user exits from the InPrivate browsing window. By means of the technical scheme, privacies of all users can be effectively protected, accordingly, the users can directly open the corresponding InPrivate access records when accessing the records next time, and the use experience of the users is improved.

The invention relates to an original number tailoring method for a clothing armhole, which comprises the steps that original clothing numbers, namely the armhole perimeter, the chest width, the back width, the shoulder width, the chest circumference and the clothing length are determined according to anthropometric data; the armhole is designed into a notched ellipse; a diagonal line of an external rectangle of the notched ellipse is a perimeter mark hy; and the ratio of the perimeter mark hy to the armhole perimeter is y; an hy operational method is created; a base line of the external rectangle of the notched ellipse and an armhole circumflexion identification line are determined according to the original clothing numbers, such as the armhole perimeter, the chest width, the back width, the shoulder width and the chest circumference; then, relevant points are determined; and an armhole perimeter line is drawn. The armhole tailoring method is quick in tailoring and high in the precision of the armhole tailoring line, meets the fast-paced requirements of the clothing market on clothing transformation, is applicable to the tailoring of high-grade clothing, and is simple, convenient and practical.

The present invention provides a printer unit which has a display unit in a unit body, prints an image displayed on the display unit on a recording sheet at a print directive, and ejects a printed image through an outlet, the printer unit comprising a display posture detection device which detects a posture of the display unit in a gravity direction, a posture information read device which reads posture information added to an image to be displayed on the display unit, and a display control device which controls a vertical direction of an image displayed on the display unit so as to match the gravity direction according to the posture information about the display unit detected by the display posture detection device and the posture information about the image read by the posture information read device.

The present invention discloses a method for using a RAID card to perform hard disk batch detection, monitoring and alerting, and relates to hard disk detection technologies. A RAID card log is analyzed by using a script, so as to perform hard disk batch checking on a batch of machines to locate a faulty hard disk or a potentially faulty hard disk. The method mainly comprises the following steps of first, in a Linus system of a server, installing in advance a script that is automatically started during startup of the server; second, after the server is normally started, and the script is automatically executed, then outputting statuses of all hard disks, and analyzing situations of hard disks that are faulty or potentially faulty according to detection; and third, if any faulty or potentially faulty hard disk is found, making a RAID card send a locating instruction for the hard disk and making an indicator light of the hard disk flash. According to the method, batch checking can be performed on hard disks of a server to quickly determine a faulty hard disk, so that a faulty or potentially faulty hard disk can be replaced in time, thereby improving system stability and efficiency.

The invention discloses a subway shield door fault monitoring and early warning intelligence system. The system comprises a user login and quit module, a parameter management module, a platform operation monitoring module, a door control system monitoring module, an integration query statistics module, an external interface isolation module, a system setting management module, a fault diagnosis module and a nerve network fault early warning module. When a subway shield door component or a component reaches early warning setting or the subway shield door generates a fault, the platform operation monitoring module or the door control system monitoring module transmits emitted early warning information or fault information to the fault diagnosis module and the nerve network fault early warning module so as to carry out classification and grading, and then a result is fed back to a user through a display. In the invention, a fault type and a fault address can be rapidly and accurately determined; early warning can be performed on a predictable fault in advance; and simultaneously, through data statistics and analysis, a data basis can be provided for establishing rail traffic large data based on an aerospace vehicle ground integration private network.

The invention discloses a selection method for strengthening dedicated channel transport format set and a device thereof. The method comprises: calculating the code rate of each E-TFC by user equipment, which corresponds to each modulation mode, according to an authorization control message distributed by a network side; according to the code rate of each E-TFC, which corresponds to each modulation mode, and the wireless resource configuration message distributed by the network side, determining a candidate E-TFC set corresponding to each modulation mode; according to the authorization controlmessage and the wireless resource configuration message, determining the code rate corresponding to the maximum authorization transmission power which corresponds to each modulation mode and is allowed on an E-PUCH information channel; according to the code rate corresponding to the maximum authorization transmission power, determining the subset of the candidate E-TFC as the E-TFC set corresponding to each modulation mode; selecting an E-TFC set used for transmitting data from the E-TFC set corresponding to each modulation mode, and adopting a modulation mode corresponding to the selected E-TFC set to package data. On the basis of fully considering the resources distributed by the network side, the method can quickly and reasonably determine a suitable E-TFC set to transmit data.

The invention discloses an intelligent repair reporting method. The method comprises a first step of receiving fault type information provided by repair reporting people; a second step of automatically judging the building location of the fault, judging the type of the fault type information, and selecting an insider maintenance mode or an outsider maintenance mode according to the type of the fault type information; a third step of processing the fault according to the selected maintenance mode; and a fourth step of receiving confirming information of a fault processing result, and updating the process state of repair reporting information of the fault. Through adoption of the method, the requirement of repair reporting management on processing multiple types of faults can be met. The invention also discloses an intelligent repair reporting system.