75results about How to "No extra cost" patented technology

The invention discloses screen audience rating counting and content recommendation system and method based on a two-way set top box, belonging to the technical field of the application of digital TV set top boxes. In the method, a counting module is provided in digital TV program playing by utilizing the communication function of the two-way set top box and used for carrying out accumulative counting on programs and uploading a result to a central server; and the counting can be emptied according to required server ends. The audience rating of each program can be learnt by utilizing counted information server ends, and the related program recommendation can be provided for users by a video recommendation system according to user information for viewing programs and displayed on a set top box control interface in a menu manner. The system can provide accurate audience rating real-time counting for users and merchants as well as related information for the users, thereby greatly benefiting to the merchants and the users and having strong commercial values.

The invention discloses a method for a pass user to realize safety login application client and a system thereof. The method is characterized by: integrating security controls published by a pass service center on an application client, starting the application client and inputting an account and a password in a security control interface displayed by the application client; acquiring the password by using the security control, carrying out encryption according to a preset encryption algorithm and a stored secret key so as to obtain a cipher and sending the account and the cipher to an application platform server through the application client; forwarding an authentication request to the pass service center by using the application platform; extracting a stored clear-text password according to the account by using the pass service center, carrying out encryption processing which is consistent to the security controls the clear-text password, comparing the encrypted password with the received cipher; if the password is the same with the cipher, passing the authentication. By using the method and the system of the invention, a safety application problem of a pass account service provider under the condition that a network authentication system is mutually independent with a Internet application system can be solved.

The present invention discloses a system and a method for intelligent reservation of district temporary parking stalls. The system comprises: a mobile phone client used for parking stall reservation,reservation cancel, route guidance and expense payment operation; a license plate identification module configured to collect and identify information of a reservation vehicle; a gateway control module configured to control closure and opening of a district gateway; and a background management server comprising a parking stall information collection module, a user behavior data collection module and a payment management module, wherein the parking stall information collection module is configured to collect and update usage states of parking stalls in each district to form a parking stall information database, the user behavior data collection module configured to record users' daily trips, reservation time, parking time periods and parking duration to form a user behavior database, the payment management module is configured to calculate cost generated by user parking and user credit grade evaluation, and the mobile phone client, the parking stall information collection module and thelicense plate identification module are connected with the background management server.

The invention discloses an ultrasonic RF (radio frequency) time sequence-based tissue characterization method, which comprises the following steps of 1, feature extraction: performing operations as shown as follows on each tissue sample to obtain corresponding feature vectors; 2, tissue recognition, wherein the step1 comprises the following steps: 1-1, scanning tissues to acquire multiple frames of ultrasonic echo RF signals of the tissues; 1-2, demodulating a certain ultrasonic echo RF signal and displaying a B-mode graph; 1-3, selecting an ROI (region of interest) of which the size is M*N from the B-mode graph; 1-4, taking previous L RF signals from each point in the ROI to construct M*N ultrasonic RF time sequences of which the length is L; 1-5, extracting fractal features, frequency domain features and time domain features of the ultrasonic RF time sequences to obtain the feature vectors of each tissue samples. According to the ultrasonic RF time sequence-based tissue characterization method disclosed by the invention, the features from three angles: fractal, frequency domain and time domain, are extracted based on the ultrasonic RF time sequences, and the tissues are recognized by using a classifier; the ultrasonic RF time sequence-based tissue characterization method can be widely applied to the field of ultrasonic medical detection and ultrasonic tissue characterization, and the like.

The invention discloses a spheroidizing annealing temperature control process of a cold-rolled steel coil. The temperature control process comprises the following steps: (1) the steel coil is fed in an annealing furnace, is heated up to 400 DEG C from room temperature within 3 h, and is kept at 400 DEG C for 2 hours; (2) the steel coil is heated up to 680 DEG C from 400 DEG C within 5 h, and is kept at 680 DEG C for 18 hours; (3) the heating is stopped in the annealing furnace; and the steel coil is cooled for 2 h in the annealing furnace; (4) the steel coil in the annealing furnace is cooled by air for 7-8 hours to reach 300 DEG C; and (5) the air-cooled steel coil is cooled by water to reach 90 DEG C; and after the spheroidizing annealing operation is finished, the steel coil is discharged from the furnace. The temperature control process realizes that the size and the uniformity of carbide particles of the steel coil are suitable for cold rolling through precise annealing temperature of the steel coil and time length control, and facilitates smoothness of cold rolling process.

The invention relates to a technical-grade zinc oxide preparation method and especially relates a method for producing zinc oxide from low-grade zinc-containing mineral. The method comprises the following steps that a zinc-ammonia complex purified liquid is slowly added into a zinc sulfate purified liquid being stirred at a fast speed; the mixture undergoes a reaction at a normal temperature for 20min to produce basic zinc carbonate precipitates and an ammonium sulfate solution; the mixture of the basic zinc carbonate precipitates and the ammonium sulfate solution is filtered so that crude basic zinc carbonate and the ammonium sulfate solution are obtained; the crude basic zinc carbonate is cleaned by distilled water to form qualified basic zinc carbonate; the qualified basic zinc carbonate is dried until water content is in a range of 5 to 15%; and the dried qualified basic zinc carbonate is calcined at a temperature of 1100 DEG C for 2 hours to form zinc oxide. The method adopts the raw materials having wide sources, adopts a neutral leaching process in zinc sulfate production, has simple processes, does not need complex equipment, has a low cost, high product purity and no waste water discharge, realizes auxiliary material recycle, reduces a cost and has environmental benefits.

In a fluid treatment system comprising a housing with a fluid inlet and a fluid outlet for a process fluid, an irradiation zone disposed between the fluid inlet and fluid outlet, and at least one radiation source module comprising at least one radiation source comprising a discharge vessel with an outer wall and an inner wall, the inner wall enclosing an internal volume with at least one opening and means for igniting and maintaining a discharge, the radiation source module also comprising a submersible frame with guiding means to guide the process fluid into and out of the internal volume of the radiation source. The dissipation of the heat generated by the discharge in the discharge gap via a fluid flow in the internal volume of the lamp and in contact with the internal electrodes is substantially more effective than dissipation via a cooling channel separated from the internal electrode. It is therefore substantially easier to maintain the discharge at an approximately optimal temperature.

The invention discloses a field assembly method for a transformer. The method comprises the following steps of: 1, arranging a valve hall; 2, conveying each component of the transformer into the valve hall and assembling each component of the transformer in the valve hall; and 3, mounting a valve tower in the valve hall.

The invention belongs to the technical field of ultrasonic medicine and particularly relates to a hepatic fibrosis degree Fisher identification method based on an ultrasonic radio frequency (RF) time sequence. The method includes that first, a broadband ultrasonic linear array probe is used for scanning a living hepatic tissue, and multi-frame ultrasonic echo RF signals are recorded; a certain frame of B type pattern is demodulated and displayed, a region of interest (ROI) is selected, all frame RF signals of each point in the ROI are taken to form the ultrasonic RF time sequence; SMR fractal dimension mean values and a plurality of characteristic parameters of the RF time sequence in the ROI are extracted, the 7 features are extracted for a large amount of normal and fibrosis hepatic samples, Fisher distinguishing rate of each feature parameter is collected and obtained, the normalization Fisher distinguishing rate is used as the weight of a new input sample corresponding feature parameter, and the absolute value of each feature parameter of a new sample is weighted and summed to obtain Score-fisher. The hepatic fibrosis degree Fisher identification method based on the ultrasonic RF time sequence is brought up for the first time and provides quantification reference for clinical hepatic fibrosis diagnosis and dynamic monitoring.

The invention discloses a thin-film solar photovoltaic auto glass component. The photovoltaic auto glass component orderly comprises an inner windscreen, a thin-film solar cell and an outer windscreen from the inner side to the outer side of an automobile, wherein the thin-film solar cell comprises a substrate, a TCO front electrode, a photoelectric conversion layer and a TCO back electrode; the TCO front electrode is arranged on the substrate; the photoelectric conversion layer is arranged on the TCO front electrode; the TCO back electrode is arranged on the photoelectric conversion layer; the substrate is toughened or non-tempered thin glass; the thickness of the substrate is 0.2-0.7mm; the thin-film solar cell is a semi-transparent silicon film cell; the light transmittance of the thin-film solar cell is higher than 50%. Correspondingly, the invention also provides a preparation method of the thin-film solar photovoltaic auto glass component. In the technical scheme provided by the invention, the thin-film solar cell between two windscreens is high in reliability, is a flexible cell, and can be compatible with the curve surfaces of the windscreens. By adopting the method disclosed by the invention, the thin-film solar photovoltaic auto glass component with low cost and high efficiency can be prepared.

The invention discloses a method for detecting material lack of an ice cream machine. The method comprises: firstly, detecting the rotating speed of a material cylinder of the ice cream machine through a rotating speed sensor; and then emitting a material lack alarm signal and maintaining the alarm state for a period of time when detecting that the rotating speed of the material cylinder is maintained to be less than an alarm threshold for a period of time, if the rotating speed of the material cylinder increases to exceed the alarm threshold after emitting the alarm signal, releasing the alarm state; and if the rotating speed of the material cylinder is maintained to be less than the alarm threshold for a period of time after emitting the alarm signal, forcedly shutting down and emitting the alarm signal again. The invention also discloses the ice cream machine applying the material lack detecting method. The method and the ice cream machine have the following characteristics that: 1, the control principle is simple, automatic detection and alarm functions are realized by setting procedures when the material cylinder is lack of materials, additional hardware is not added, and the cost is not increased; and 2, humanization degree is greatly improved, an alarm lamp continuously shines to remind a user when lacking materials so as to avoid the defect of frequently detecting whether enough materials are in the material cylinder, save manpower and reduce labor intensity.

The invention belongs to the technical field of ultrasonic medicine and particularly relates to a hepatic fibrosis degree relative deviation identification method based on an ultrasonic radio frequency (RF) time sequence. The method includes that first a broadband ultrasonic linear array probe is used for scanning a living hepatic tissue, and multi-frame ultrasonic echo RF signals are recorded; a certain frame of B type pattern is demodulated and displayed, a region of interest (ROI) is selected, all frame RF signals of each point in the ROI are taken to form the ultrasonic RF time sequence; SMR fractal dimension mean values and a plurality of characteristic parameters of the RF time sequence in the ROI are extracted, the 7 features are extracted for a large amount of normal and fibrosis hepatic samples, relative deviation value of each feature parameter is collected and obtained, the normalization relative deviation value is used as the weight of a new input sample corresponding feature parameter, and the absolute value of each feature parameter of a new sample is weighted and summed to obtain Score-rd. The hepatic fibrosis degree quantification identification method based on the RF time sequence is brought up for the first time and provides quantification reference for clinical hepatic fibrosis diagnosis and dynamic monitoring.

The disclosed charging device for individual heating and controlling temperature comprise: an indoor temperature collector with a temperature sensor on input end; and a controller with input end being arranged all of an outdoor temperature sensor, a water-feeding temperature sensor, and a return-water temperature sensor, and analog output end connected to an electric control valve through a drive amplifier. Wherein, the corresponding method comprises: scaling heating parameters by the correlative program stored in the second CPU in the controller on-field, calculating weight values and thermal equivalent, and obtaining the heat charge for individual user. This invention can charge more reasonably, and prevents waste.

The present invention discloses one kind of super thin composite decorating board and its fixing method onto wall. The super thin composite decorating board includes one panel and one fixing board adhered to the back of the panel, and the fixing board has at least one protruding part beyond the side of the panel for fixing the decorating board onto the wall keel. The process of fixing the super thin composite decorating board onto the wall includes the steps of fixing the keel onto the wall, preparing the decorating board, and fixing the decorating board to the keel via the protruding part. The decorating board has thin and light panel and thus saving in material and low cost, and the installation is convenient and firm.

The invention relates to a wafer suitable for a nanometer technology and a method for manufacturing the same. The manufacturing method comprises the following steps: a first annealing step, a first deposition step, an implantation step and a second annealing step. According to the first annealing step, annealing processing is carried out on a wafer at the temperature of over 650 DEG C so as to form a high-quality silicon layer on the surface of the wafer. According to the first deposition step, a silicon-germanium gas source is utilized to deposit a silicon-germanium deposition layer on the high-quality silicon layer of the wafer after the annealing processing. According to the implantation step, oxygen ions are implanted into the wafer. And according to the second annealing step, annealing processing is carried out on the wafer with implantation of the oxygen ions at the temperature of over 650 DEG C so as to form a silicon oxide layer. Therefore, it is easy to control uniformity and surface flatness of all material layers of the manufactured wafer and thus a wafer with nonuniform mass and low price can be manufactured into a wafer with uniform mass, so that the nanometer technology can be utilized conveniently.

The invention provides a method for calculating electric energy productionloss caused by limited power and machine halt of a wind power plant cluster. The output loss of any one wind turbine generator generated in a power-limited or machine-halt state is calculated according to an air speed-power specific curve P<Curve> of each wind turbine generator by collecting operating data of each wind turbine generator in real time, and then the electric energy production loss of the overall wind power plant is calculated. The method provided by the invention has the advantages of simple algorithm, high calculation precision, high universal applicability and the like.

The invention relates to an n-type Cu2Sn3S7-based medium-high temperature thermoelectric semiconductor and a mechanical alloying preparation technique thereof. The key point of the design of the n-type Cu2Sn3S7-based medium-high temperature thermoelectric semiconductor lies in that the Sn content is increased on the basis of the compositions of Cu2Sn3S7, and the chemical formula of Cu2Sn3.5S7 is formed. The mechanical alloying preparation technique of the n-type Cu2Sn3S7-based medium-high temperature thermoelectric semiconductor comprises the steps that the corresponding quantity of Cu, the corresponding quantity of Sn and the corresponding quantity of S are weighed according to the chemical formula and placed in a vacuum ball milling tank to be subjected to ball milling for two hours; annealing is conducted for 48 hours in a vacuum tube at the temperature of 700 DEG C after ball milling; then powder is taken out and subjected to discharge plasma spark sintering in a short time of four minutes for formation; and the highest sintering temperature is 700 DEG C, the sintering pressure is 60 MPa, and a Cu2Sn3.5S7 thermoelectric semiconductor is prepared. The Seebeck coefficient a of the thermoelectric semiconductor at the temperature of 877 K is -698.38 (<mu>V/K), the electric conductivity s is 1.18'10<3>W<-1>.m<-1>, the heat conductivity k is 0.43(W.K<-1>.m<-1>), and the maximum thermoelectric optimum value ZT is 1.17. The n-type Cu2Sn3S7-based medium-high temperature thermoelectric semiconductor has the advantages that pollution and noise are avoided, the semiconductor can be used for manufacturing medium-high temperature power generation components, operation is reliable, the service life is long, and the preparation technique is simple.

The invention relates to the technical field of Ethernet self-adaption, and discloses an Ethernet self-adaption method, device and system based on an FPGA, and the method comprises the steps: receiving a first network transmission package transmitted by a PHY chip through a first mii interface; determining a first transmission rate mode corresponding to the first network transmission packet according to the clock frequency of the first mii interface; performing Ethernet protocol analysis on the first network transmission packet according to the first transmission rate mode to obtain a first network data packet; converting the first network data packet into a first network data stream according to a preset host byte sequence and a preset network byte sequence; and executing corresponding system data processing according to the content of the first network data stream. According to the Ethernet self-adaption method, device and system based on the FPGA, the stability of Ethernet self-adaption is enhanced through a hardware architecture, interfaces can be flexibly selected through a programmable configuration interface, and the application adaptability of the interfaces is improved.