50results about How to "Avoid cost" patented technology

The present invention relates to the field of online commerce. In particular it relates to the operation of electronic markets in which there are a plurality of both sellers and buyers.

The invention relates to a power system of an oil-electricity four-drive hybrid electric vehicle and a control method thereof. The system takes a motor and a dynamo as impendent power sources for driving front driving wheels and rear driving wheels of a vehicle respectively, adopts a motor controller to control the motor to operate, adopts a dynamo controller to control the dynamo to operate, andadopts a whole vehicle controller to control the dynamo controller and the motor controller to operate; according to equipment parameters and operating parameters of the vehicle, the whole vehicle controller determines a drive mode of the vehicle and the switching among different drive modes; and a control mode comprises a self-check mode, a pure motor drive mode, a pure dynamo drive mode, a motor single drive mode, a dynamo single drive mode, a motor-dynamo double-drive mode and a power failure mode. The power system can farthest exert the advantages of the motor and the dynamo, meets requirements under different conditions, and achieves the aims of reducing operating expense, saving energy and protecting environment.

The present invention provides a process for preparing biaryl compounds comprising reacting an arylzinc reagent with an arylchloride in the presence of a nickel catalyst or a palladium catalyst. The present invention specifically provides a process for the preparation of 2-(4'-methylphenyl)benzonitrile comprising reacting a 4-methylphenylzinc reagent with 2-chlorobenzonitrile in the presence of a nickel catalyst or a palladium catalyst.

Image capture devices are synchronized without using a communication unit for an image capture device to perform communication with other image capture device. When an image capture device 10 is set to the main device mode, it outputs a reset signal to a timing generator 40 simultaneously with the time when a flash circuit 50 performs pre-light emission and, when the image capture device 10 is set to the auxiliary device mode, the flash circuit 50 detects pre-light emission performed by other image capture device and outputs a reset signal to the timing generator 40 in accordance with the detection of the pre-light emission.

The invention discloses a numerical method for a graded crushed stone dynamic triaxial test. The numerical method comprises the following steps of: simulating the graded crushed stone dynamic triaxial test through establishing a physical model and a mechanical model by using a PFC2D software platform, wherein the simulation operation comprises test of basic parameters, simulation of a test model and generation of a graded crushed stone simulation specimen; secondly, giving micro mechanical parameters to the physical model, and constructing the mechanical model; and then, carrying out repeated dynamic load simulation on the graded crushed stone simulation specimen so as to obtain a graded crushed stone stress-strain curve and a graded crushed stone permanent deformation-loading frequency curve. According to the numerical method disclosed by the invention, the graded crushed stone permanent deformation-loading frequency curve in a triaxial test can be reproduced accurately, conveniently and quickly, and a graded crushed stone deformation rule is disclosed, so that the graded crushed stone fracture mechanism is favorable to research intensively; and the problems of high instrument price and inconvenience for operation in an indoor dynamic triaxial test are avoided, so that the test efficiency is improved, and the research cost is saved.

The invention provides an audio book sentence-by-sentence synchronous display method. The method includes the following steps that sentence segmentation is conducted on a text file of an audio book, a timestamp is marked, and LRC files are prepared; the LRC files are submitted to a server terminal and stored; after a client terminal selects an audio file of the audio book, the corresponding LRC file is inquired and obtained; algorithmic functions of time anchor points of a current sentence and a subsequent sentence are generated and obtained, and the playing progress of LRCs is adjusted. The invention further provides a corresponding audio book sentence-by-sentence synchronous display system. According to the audio book sentence-by-sentence synchronous display method and system, the text file is converted into segmented sentence files, the segmented sentence files are prepared into the LRC files, when an audio is played, the LRC files are associated with the audio file, functions used for selecting particular sentences are generated respectively, in the playing process, according to the playing process of the audio, and a corresponding sentence is accurately positioned so as to achieve synchronous playing of the audio and texts.

The invention discloses a wireless electric energy transmission system and method capable of identifying mutual inductance and load from a primary side, relates ot the field of wireless electric energy transmission, and is used for solving the problem that a wireless electric energy transmission system in the prior art is provided with complex redundant equipment at two ends of the primary side and the secondary side, resulting in the problems of high cost, complex circuit, and poor reliability. The wireless electric energy transmission system comprises a DC power supply, a high frequency inverter circuit, a primary side compensation circuit, a transceiver coil, a secondary compensation circuit, a high frequency rectifier circuit, a filter circuit and a load, the secondary side is composedof a coupling structure based on a series compensation equivalent circuit, the primary side coupling compensation structure is not limited, the secondary side coupling compensation structure includesan inductor LS and a capacitor CS connected in series in sequence, in the secondary side compensation circuit, a capacitor CS1 branch circuit with a bidirectional switch is connected in parallel between two ends of the capacitor CS. The wireless electric energy transmission system provided by the invention identifies the dynamic change of mutual inductance or load impedance of the pickup end by detecting the voltage and current signals of the transmitting end in real time, does not need an additional device, and can effectively reduce system complexity and cost.

The invention provides a classifier construction method and device as well as a Chinese text sentiment classification method and system. The classification method comprises the following steps of: obtaining a sample to be labeled from a sample set to be labeled; looking up sentiment words in the sample to be labeled; obtaining the sentiment polarity of each sentiment word; converting the sentiment polarity of the sentiment words of which the sentiment polarity conforms to a sentiment polarity conversion rule in the sample to be labeled; counting the amount of the sentiment words of which the sentiment polarity is negative and positive in the sample to be labeled; according to the amount of the sentiment words of which the sentiment polarity is positive and the amount of the sentiment words of which the sentiment polarity is negative, determining the sentiment polarity of the sample to be labeled to obtain a labeled sample; according to the labeled sample, labeling other samples to be labeled in the sample set to be labeled to obtain a labeled sample set; constructing a maximum entropy classifier by the labeled sample set; and classifying a Chinese text to be classified by the maximum entropy classifier. According to the method, the device and the system provided by the invention, the Chinese text classification time is shortened, and the classification accuracy is improved.

The invention discloses a video digital copyright protection method and system. The method comprises the following steps: a user identity and a video playing identity that are used for requesting video playing are obtained, the user identity is used as a two dimension code generation parameter, a two dimension code can be generated via the user identity, the user identity can be decoded via the two dimension code, and the two dimension code is superposed on frames of a played video designated by the video playing identity. According to the video digital copyright protection method and system provided in the invention, the two dimension code can be generated via the user identity, and the two dimension code is superposed on the frames of the video. When the video is bootlegged, frames of the bootlegged video comprise the two dimension code, then the user identity can be conveniently obtained via the two dimension code, and therefore a bootlegging source can be known. Resource required for coding and decoding of the two dimension code is far less than resource consumed via a watermark mode, and therefore bootlegging prevention cost can be greatly lowered.

The disclosure relates to a method and an observer for determining the exhaust manifold temperature in a turbocharged engine upstream of the turbine. In one example, a method for determining an exhaust manifold temperature in a turbocharged engine, said engine including a turbocharger and a turbine and said exhaust manifold temperature including a temperature upstream of the turbine, said method comprises estimating a value of the exhaust manifold temperature based on a model, measuring a temperature downstream of the turbine, and correcting the value of the exhaust manifold temperature based on said measurement.

Prefetching and caching persistent objects is disclosed. The system creates a structure context used to identify a set containing a first object and other related objects. The objects have attributes, where each attribute is identified by a name. Upon a fetch of an attribute in the first object, the system also fetches related data. The related data includes other attributes in the object, and attributes in the other objects of the set having the same name as the attribute fetched for the first object.

An optical transmission network comprises a multi-wavelength source (7) shared between multiple sets of client side equipment for manipulating electrical signals. A first wavelength selective routing element (5) is connected to the multi-wavelength source (7). Each set of client-side equipment (1) comprises an optical modulator (3) connected to the first wavelength selective routing element (5) and an optical receiver (2). A second wavelength selective routing element (6) is connected to the optical receiver (2) and is operative to direct incoming signals from one or more remote locations to the optical receiver (2). The network provides a WDM architecture solution for networks whereby the cost of implementing and running client side equipment (1) is reduced by not having the WDM source (7) within the client side equipment (1).

A toner supply container detachably mountable to an image forming apparatus, includes a main body, provided with an opening for permitting discharge of the toner, for accommodating the toner; a sealing member for unsealebly sealing the opening; wherein the opening is unsealed by tearing a part of the sealing member, wherein a pattern of welding with which the sealing member is welded on the main body of the container is inclined inwardly with respect to a tearing direction at a laterally outward end portion at a tearing starting side end portion.

A semiconductor device has passive components integrated with the circuit and encapsulated in a plastic package for solder ball or leaded attachment. A plastic chip-scale semiconductor device has a substrate made of a plurality of patterned insulating layers alternating with patterned electrically conductive layers, the layers mutually adhering to form the substrate. The layers include a plurality of passive electrical components, such as capacitors, inductors, and resistors, and routing lines. Most routing lines terminate in a first plurality of bondable contact pads and a second plurality of solderable contact pads. The components and lines form a web and are configured mostly in a narrow peripheral band at least partially around a central substrate area, and are operable with high performance in conjunction with an integrated circuit (IC) chip. The chip is attached to the central substrate area and electrically connected to the first plurality of contact pads, respectively, whereby the passive components are integrated with the IC. Plastic encapsulation material surrounds the chip, first plurality of contact pads, and passive components such that the outline of the material is approximately the same as the outline of the chip.

The invention provides a high-efficiency high-throughput continuous casting and rolling system and process for titanium alloy bars. The system involves a feeding mechanism, a smelting chamber, a flowdividing chamber, a flow dividing mechanism, a multi-channel crystallization mechanism, pull-down mechanisms, material receiving mechanisms, conveying belts and a rolling mechanism; the smelting chamber is provided with a water-cooled copper furnace hearth, and a raw material is heated and smelted through plasma guns to form molten metal; the metal molten is guided into the flow dividing chamber and flows to the multi-channel crystallization mechanism in a divided mode, and the multi-channel crystallization mechanism is provided with a plurality of crystallizers in one-to-one correspondence with flow dividing openings; the material receiving mechanisms are arranged below the multi-channel crystallization mechanism and are provided with material receiving pipes in one-to-one correspondencewith the crystallizers, the material receiving pipes are opened after being turned over, titanium alloy billet bars slide onto the conveying belts, and the conveying belts convey the titanium alloy billet bars into the rolling mechanism for continuous rolling forming; and the crystallizers are water-cooled copper crystallizers, the crystallizers are vertically arranged at equal intervals, and thermal barrier material coatings are arranged on the outer surfaces of the crystallizers.

An integrated circuit comprises an identification portion having an output representative of one or more bits of digital information identifying the integrated circuit. This identification information may, for example, allow the manufacturer to determine which photolithographic masks were used to manufacture the integrated circuit. The identification portion is formed at least partially by a plurality of metal levels. Modifications to the integrated circuit's identification information are facilitated by designing the identification portion such that its output can be changed by modifying any one metal level among the plurality of metal levels that form it.

The invention relates to the field of transparent computing technology big data mining, and discloses a transparent computing server cache optimization method and system based on an association pattern. The purpose is to reduce the I / O overhead of a disk, improve the hit rate of the cache and improve the transparent computing service quality. The method comprises the steps that support is introduced to screen various batches of data flows and construct an FP-tree; during mining the frequent pattern and support counting information of the data flows, if single prefix path of any conditional pattern base occurs and the frequencies of node elements on the path are identical, mining of combined frequent pattern subsets of the node elements with identical frequencies is stopped; based on the frequent pattern and support counting information of the data flows, an FP-Stream structure is created and updated; when any data block is read into the cache, data blocks corresponding to the other frequent items associated with relevant frequent patterns in the FP-Stream structure pattern of the corresponding data block are read into the cache together.

The invention relates to a gas chromatographic column, which is a chromatographic technology for controlling the retention time of compounds in a chromatograph by using an electric filed. Through enabling an internal electrode to pass through the gas chromatographic column, sleeving an external electrode on the gas chromatographic column, and exerting pressure on the electrodes, different electric field strengths can be obtained; and the electric field intensity affects the retention time of sample molecules in the chromatographic column, thereby realizing the separation of different samples.

The invention relates to automobile bodies, in particular to an A-column reinforcing plate connection structure in the automobile bodies. The A-column reinforcing plate connection structure comprises a front peripheral plate, an A-column reinforcing plate, a front lateral plate and a dashboard crossbeam support. The A-column reinforcing plate is connected with the front peripheral plate and provided with a flanging, and the front lateral plate and the dashboard crossbeam support are respectively connected with the flanging. The A-column reinforcing plate connection structure has the advantages that without increasing parts, the flanging is additionally arranged on the A-column reinforcing plate which is connected with the front lateral plate and the dashboard crossbeam support through the flanging, and consequently strength of the front lateral plate and the dashboard crossbeam support can be improved to enable the front lateral plate and the dashboard crossbeam support to be firmer, modality of the automobile body is improved, and cost increase is avoided.

A motor system and a method of operating an electric motor that includes monitoring a voltage of power supplied to the motor by a mircrocontroller located in the motor; storing energy within the motor; detecting if the voltage drops below a nonzero threshold; and if the voltage drops below the threshold, immediately operating the microcontroller with the stored energy to store a state of the motor in non-volatile memory located within the motor, and ceasing operation of the motor. This motor operation may be employed with multiple motors in vehicles where voltage drop may occur during an engine start of a vehicle stop / start event.

The present invention discloses a similarity evaluation method of approximately duplicate records. The similarity evaluation method comprises: step 1, partitioning a large data set waiting for duplicate removing, and obtaining a plurality of smaller data blocks; step 2, with respect to each data block, initializing similarity between an attribute layer and a recording layer; step 3, if iteration stop conditions are not satisfied, using the similarity of the recording layer to update the similarity of the attribute layer, and using the similarity of the attribute layer to update the similarity of the recording layer; and step 4, outputting the similarity between the attribute layer and the recording layer. According to the similarity evaluation method provided by the present invention, the similarity is iteratively spread in the attribute and recording layers, so that the problem that the records have missing values and noise values in practical production is solved, and the similarity of records is evaluated more accurately. The similarity evaluation method provided by the present invention is unsupervised, the cost of marking data is reduced, and the output can be flexibly integrated in conventional duplicate removing system frames based on aggregation or distance.

The embodiment of the invention provides a data permission configuration method and a device, electronic equipment and a storage medium. The method comprises the steps of extracting at least one feature field from target category data; generating field rule attribute information corresponding to the target category data according to the at least one feature field; and sending the field rule attribute information to the to-be-authorized user terminal, thereby enabling the to-be-authorized user terminal to configure data permission information according to the field rule attribute information. The field rule attribute information is obtained according to the feature fields in the data, and then the field rule attribute information is sent to the to-be-authorized user terminal to complete permission configuration, so that the flexible configuration of the permission of the user terminal to access the data is realized, and the problems of high hard coding cost, long period, vulnerability and poor user experience are avoided.

The invention discloses a constant-speed water supply pump pressure regulating device and an operation method. The device comprises a water supply pipeline, a starting water supply pipeline and a deaerator, wherein the deaerator is arranged at the starting ends of the water supply pipeline and the starting water supply pipeline, high-pressure heaters III are arranged at the tail ends of the watersupply pipeline and the starting water supply pipeline, a first electric gate valve, a steam-driven water feeding pump booster pump, a steam-driven water feeding pump, a first pressure transmitter, afirst temperature transmitter and a second electric gate valve are sequentially arranged on the water supply pipeline in the medium flow direction, and a third electric gate valve, an electric constant-speed water feeding pump, a second pressure transmitter, a second temperature transmitter, a fourth electric gate valve and a first pneumatic control valve are sequentially arranged on the startingwater supply pipeline in the medium flow direction. According to the device, the problem that the lift of an electric constant-speed pump is too high can be solved, the pressure of the starting watersupply pipeline can be adjusted, the pressure of a main water supply pipeline can be adjusted, the steam-driven water supply pump can be smoothly connected to a grid, and normal operation of a power plant is not affected.

It is determined that (a) a first vehicle is driving on a curve on a first road or, (b) by detecting a second road, a road boundary of the first road. It is further determined that there is (c) parallel traffic by determining that a second vehicle is moving in a lane of the second road adjacent to the first road, or (d) tangential traffic by detecting a third vehicle is moving tangentially to thecurve. Upon determining that there is simultaneously at least one of (a) the first vehicle driving on the curve on the first road or (b) the road boundary of the first road, and at least one of (c) parallel traffic or (d) tangential traffic, then it is determined that the first vehicle is driving on an on-ramp.

A product package clip has tamper evident protection which is formed integrally with the clip. Breakage of frangible connectors indicates that the clip, and thus the package, has been the target of tampering.

The invention relates to an automatic pushing and positioning device, comprising a single-rod hydraulic cylinder and a plunger cylinder which share one cylinder body, wherein a gear is coaxially arranged between a piston and a piston rod of the single-rod hydraulic cylinder, a piston of the plunger cylinder is a rack plunger, is meshed with the gear and can relatively slide along the extension direction of teeth, a swing rod which extends along the radial direction of the gear is fixed on the piston rod, a positioning structure for positioning parts is arranged on the swing rod, and two hydraulic cylinders controls the motions of the opposite party in certain direction through control oil ports arranged on the lateral wall of respective cylinder. The automatic pushing and positioning device can conveniently realize the coincidence between the practical process reference and the design reference of the workpiece and solves the problems of reference transformation as well as large machining error, high cost and long man-hour caused by reference transformation; in addition, a great amount of control valves and indication switches can be saved by adopting a hydraulic element structure integrating the functions of the hydraulic cylinder and the control valve into a whole, and reliable interlocking of motion time can be ensured.

The invention provides a traffic signal lamp emergency control system. The traffic signal lamp emergency control system comprises a solar cell panel, a storage battery, a power supply management unit, a signal control device, a circuit control device and signal lamps. The solar cell panel is electrically connected with the storage battery. The storage battery supplies power to the signal control device, the circuit control device and the signal lamps through the power supply management unit. The signal control device outputs a control signal to the circuit control circuit. The circuit control device controls the states of the signal lamps. According to the invention, the solar cell panel and the storage battery are used for storing electric energy, the storage battery supplies power to the signal lamp emergency control system when the power is off, and the solar cell panel simultaneously and continuously converts light energy into electric energy and stores the electric energy to the storage battery, so that the problem that an existing emergency power supply fails to supply power for a long time is solved; in addition, the solar energy is available everywhere, nearby power supplying is realized, long-distance transmission is not needed, and the cost of a long-distance power transmission line is avoided.

The invention discloses a modular system and a modular method for a tumor gene detection assembly line. According to the present invention, partial or all modules such as a leucocyte and plasma separation module, a pathological examination module, a DNA extraction module, a DNA fragmentation module, a library construction module, a DNA capture module, an on-machine sequencing module and the like are centralized, and are subjected to permutation and combination to form the modular system, wherein the selection and permutation and combination mode of the modules is related to the type of detected samples, and the setting of the conditions and the states in various modules for forming the modular system of the tumor gene detection assembly line is related to the type of detected samples; themodular method comprises: preparing and using the connection relationships among the modules in a centralized manner, and setting the conditions and the states in the modules, wherein the modules of the modular system for the tumor gene detection assembly line are prepared according to the type of detected samples; and with the system and the method, the practicability and the flexibility of the tumor gene detection assembly line operation are enhanced, and the tumor gene detection assembly line can well meet the frequently changing production demands.

The invention mainly aims to provide a method and a device for screening a substrate material in low-emissivity glass. The method comprises the following steps: respectively acquiring parameters of optimal adsorption configurations of a silver film on a candidate substrate material, a first reference substrate material and a second reference substrate material under different coverage degrees; predicting the adhesion strength of the silver film on the candidate substrate material and predicting the crystallization orderliness of the silver film on the candidate substrate material; and screening a material with good adhesion strength and good crystallization orderliness to be used as a substrate material forming an interface with the silver film in the low-emissivity glass. The objective ofthe invention is to solve the problem that by use a computer simulation technology, the adhesion strength and the crystallization orderliness of the silver film on the substrate material can be evaluated and predicted without actually manufacturing a film layer entity, the novel substrate material is predicted and screened, the research and development efficiency is expected to be improved, the test cost is greatly reduced, and the device becomes an effective auxiliary tool for research and development of a film coating, so that the method and the device are more practical and more suitable for practical application.