459results about How to "Guarantee sufficiency" patented technology

The invention provides a Beta testing method and device, wherein the method comprises the following steps of intercepting an online actual-occurrence user request according to the online real data flow between a user and an online environment, wherein the online real data flow is not influenced by the intercepting operation; and the online environment is a user-oriented software environment composed of published software versions; extracting related data obtained by processing of the intercepted user request by the online environment, wherein the online real data flow is not influenced by the extracting operation; sending the user request intercepted by the online environment to a Beta environment; by taking the user request as the input, obtaining related data obtained by processing of the user request by the Beta environment; and comparing respectively related data obtained by respective processing of the user request by the online environment and the Beta environment, and taking a comparison result as the basis for evaluating the software versions to be tested.

The invention discloses a method of fully detecting null pointer reference defects. The method comprises recognizing all addressable expressions of an application to be detected based on an abstract syntax tree; carrying out conservative interval arithmetic and pointer analysis on the application to be detected according to a control flow diagram, and generating a procedural summary according to results of the interval arithmetic and the pointer analysis; recognizing all pointer reference and referred pointers according to the procedural summary and the abstract syntax tree, and creating a null pointer reference defect state machine example on each referred pointer; and running the null pointer reference defect state machine examples based on the control flow diagram, carrying out state transition on each defect state machine example on each node of the control flow diagram according to the results of the interval arithmetic and the pointer analysis, and carrying out null pointer reference detection. By adopting the method of fully detecting the null pointer reference defects, the problem of failing to report the null pointer reference defects can be effectively solved, and zero omission and low misinformation of the null pointer reference defect detection are achieved.

A composite section material product of continuous glass-fiber gauze reinforced hard polyurethane micro-foam and its co-extrusion formation process are disclosed. The process is carried out by collocating for modified isocyanate and combined polyether, carding while dispersing for continuous glass-fiber gauze, passing it through co-injection cavity, heat foaming curing area and cooling sizing area continuously, wetting glass-fiber gauze by bi-component polyurethane stoste and cutting. It has long usage life, excellent mechanical, anti-corrosive and insulating performances. It can be used for railway sleeper rail, container wall board, architecture section materials and sport appliances.

The invention discloses a cleaning and disinfection treatment device for medical instruments, which comprises a box body, a heater, a water inlet pipe, a liquid level gauge, a medicament adding pipe, an ethylene oxide filling tank, a net basket, a cooling box, a flow guide pipe, and a drain tube, impeller, rotating shaft and camera, the bottom of the box is provided with a guide wheel, a heater is provided in the box, the water inlet pipe is connected to the upper part of the box, the top of the box is provided with a medicament adding pipe, and a rotating shaft is provided in the box , there is a camera on the inner wall of the top of the box, the top of the box is connected with the air pipe, the other end of the air pipe is connected with the cooling box, the gas pump is installed on the air pipe, and the bottom of the box is provided with a drain pipe, which is connected to the box There is a filter. The invention guarantees working efficiency, ensures sufficient disinfection of medical instruments, avoids breeding and spreading of harmful bacteria, ensures environmental safety, has simple structure, is convenient to use, and is beneficial to popularization.

The invention discloses a batch feeding stirring device for chemical production. The batch feeding stirring device comprises a mixing box and an auxiliary material tank, wherein a vertically arrangedrotating shaft is rotationally arranged inside the mixing box; a driven bevel gear is fixedly arranged on the top of the rotating shaft; an eccentric wheel is fixedly arranged at the end of a rotatingrod positioned in the auxiliary material tank; a lifting sleeve is arranged on the excircle of the eccentric wheel in a sleeving manner; a supporting connecting rod is fixedly arranged on the lower surface of the middle of the lifting sleeve; a plugging block is fixedly arranged at the bottom end of the supporting connecting rod; a notch is formed in the side wall on the lower part of the plugging block; a blanking cylinder communicated with the inner cavity of the mixing box is arranged on the inner cavity bottom plate of the auxiliary material tank; and a driven bevel gear meshed with the driven bevel gear is fixedly arranged on the excircle of the rotating rod. According to the batch feeding stirring device disclosed by the invention, the auxiliary materials enter the mixing box in batches, so that the raw materials are fully stirred and mixed, and the stirring device is simple in structure and convenient to operate and has high popularization value.

The invention discloses a privacy protection method in multi-sensitive-attribute data release, and solves the problem of poor quality of quasi-identifier data in multi-sensitive-attribute data release. The basic thinking of the invention is as follows that: firstly, clustering is executed on data sets, the data sets of which quasi-identifiers are similar are aggregated into one aggregate, and a plurality of data aggregates are generated; secondly, a multi-dimension bucket structure is constructed on the basis of sensitive attributes, and data records are mapped into the multi-dimension bucket structure according to values of the sensitive attributes; and then on the basis of multi-dimension buckets, grouping is carried out, i.e., main sensitive attributes are selected, dimension capacity of the main sensitive attributes is calculated, L (L is greater than or equal to 2) main sensitive attributes with the maximum dimension capacity are selected, one data record is respectively selected from the L main sensitive attributes, whether the data records meet the multi-sensitive-attribute L-diversity is judged, and if not, each bucket is sequentially traversed according to the capacity from big to small until the data records meet the multi-sensitive-attribute L-diversity. The process is repeated until the data in the buckets do not meet the multi-sensitive-attribute L-diversity. Finally, all groups are subjected to anonymization processing.

The invention relates to a fatigue detection and regulation method based on an electroencephalogram and eye movement bimodal signal, belongs to the technical field of fatigue detection and regulation,and solves the problems in the prior art that the fatigue degree of a high-load operator cannot be continuously monitored and nerve regulation is not timely performed. A fatigue prediction model based on electroencephalogram-eye movement bimodal uses a machine learning method to analyze bimodal fusion features, that is, a fusion result of electroencephalogram features and eye movement features, recognizes the brain fatigue state of the operator, and according to the detection result, judges whether or not neuromodulation is required. If not required, the operator can continue to work and maintain high job performance. If necessary, a transverse brain intervention is applied by using transcranial direct current stimulation. Through bidirectional closed-loop fatigue monitoring and adaptiveregulation, the excitability of a cerebral cortex functional area is adjusted, thereby improving the physiological state of the operator and ensuring the efficiency and stability of the job performance.

The invention discloses an extruding, forging and rolling integrated technology of an AQ80M magnesium alloy annular part. The technology comprises the steps of semi-continuous casting, homogenizing annealing, heat extrusion, multi-direction forging, mechanical hole punching and annular part rolling. The extruding, forging and rolling integrated technology can be used for producing and preparing the AQ80M magnesium alloy annular part which is free of cracks on the surface, uniform in structure, good in comprehensive mechanics property, small in mechanical anisotropy and large in size, the annular part can be used for replacing annular parts made of other materials, the effects of reducing weight, improving the fuel efficiency and achieving electromagnetic shielding are achieved, and the technology has the important application value in aerospace and national defense fields.

The invention relates to the technical field of seed airing, in particular to an airing device for vegetable seeds. The airing device for the vegetable seeds comprises an airing frame. The front and the rear of the upper portion of the airing frame are symmetrically provided with motors. The motors are provided with lead screws. The lead screws are provided with movable nut bases. The lower sidesof the movable nut bases are provided with linear actuators. A stirring cylinder is arranged between the linear actuators. The left side wall and the right side wall of the stirring cylinder are provided with a stirring rod and a stirring plate correspondingly. An airing plate is arranged under the stirring cylinder, and the bottom face of the airing plate is provided with an air outlet and a discharge pipe. A collection box is arranged below the airing plate. According to the airing device for the vegetable seeds, in the seed airing process, the stirring cylinder moves leftwards and rightwards, the seeds can be constantly stirred, the airing sufficiency of the seeds is guaranteed, the low efficiency of manual seed stirring is avoided, the seed stirring manners include the stirring rod andthe stirring plate, and the practicality of the device is enhanced; and the auxiliary actions of a heating pipe and a hot air drier are achieved in the airing process, and the evaporation of water onthe seed surfaces is accelerated.

The invention relates to a cold therapy bag and cold therapy underpants containing the same. The cold therapy bag comprises, in parts by weight, 30-50 parts of ammonium chloride, 30-50 parts of ammonium sulfate, 100-140 parts of sodium sulfate decahydrate and 5-15 parts of normal saline, wherein ammonium chloride and ammonium sulfate are packed individually or multi-packed, and sodium sulfate decahydrate and normal saline are packed individually. The cold therapy bag can maintain the low temperature at about 10 DEG C for 2 hours or longer and is suitable for lasting cold therapy of burning or scalding. The cold therapy underpants containing the cold therapy bag are particularly suitable for nursing a special part such as the burnt perineum part.

The invention discloses a grain tedding device and a use method thereof. The grain tedding device comprises a base; four groups of jack bodies are symmetrically mounted on corners of the bottom of the base; a protecting plate is welded on the outer side of the top of the base; four groups of telescopic rods are symmetrically inlaid on corners of the top of the protecting plate; the tops of the telescopic rods are fixedly connected with a transparent glass plate through suction cups; sliding grooves are formed in two sides of the top of the protecting plate; sliding blocks are glidingly connected in the sliding grooves; a pushing plate is fixedly mounted between the sliding blocks through a connecting rod; a forward-and-reverse-rotation motor is fixedly mounted in the middle of the back end of the bottom of the base; screw rods are fixedly mounted in the sliding grooves through rolling bearings; and one end of each screw rod penetrates through the corresponding sliding block and the protecting plate to be in transmission connection with the forward-and-reverse-rotation motor through a belt pulley. The grain tedding device is simple and reasonable in structural design, convenient to operate, capable of saving time and effort, convenient to move, diversified in function, good in tedding effect, safe, stable, wide in application range and beneficial to promotion and popularization.

The invention discloses a satellite-borne software test case generation method and device. The method comprises the steps: building a state machine model according to preset satellite-borne software demand information, and enabling the state machine model to employ a state machine graph to describe a state primitive and a transfer primitive of a function in a software system; converting the statemachine model into a directed graph, determining all path sets in the directed graph, and determining an executable path set from all path sets according to a preset path constraint condition; and determining an executable test path set from the executable path set according to a preset test case coverage strategy, and automatically generating a test case set according to the executable test pathset. According to the invention, the quality of the generated test case is improved.

The invention discloses a mine filling material, a preparation device and a preparation method of the mine filling material, cementing agent slurry for mine filling, and belongs to the technical fieldof mining engineering and building materials. The cementing agent slurry for mine filling is formed by mixing premixed powder of silicon aluminum and calcium raw materials and titanium gypsum slurry;concretely, the cementing agent slurry dry basis is prepared from the following ingredients in percentage by weight: 0 to 15 percent of fly ash, 15 to 70 percent of ore slag micro powder, 0 to 15 percent of steel slag micro powder, 5 to 20 percent of cement and 25 to 50 percent of industrial byproduct titanium gypsum. The mine filling material is formed by mixing tailings slurry formed by full tailing sand and water and the cementing agent slurry through stirring and mixing. When the technical scheme is used, the intensity of a mine filling body can be effectively improved; the effective resource utilization on industrial waste residue, particularly titanium gypsum is realized; the preparation process of the mine filling cementing material is simple; the filling of the full tailing sand can be realized.

The invention discloses an urban gardening monitoring and irrigating device which comprises a support plate, a ring support plate, a planer angle adjusting mechanism, an inclination angle adjusting mechanism, a protection structure, an inclined supporting structure and a monitoring structure. The upper end of the support plate is fixedly connected with the bottom face of the ring support plate. Acontrol box is arranged at the center of the upper surface of the support plate. The front side of the control box is of an opening structure. The center of the bottom face of the support plate is fixedly connected with the top of the telescopic end of an electric telescopic column. A round bottom plate is arranged at the bottom of the fixed end of the electric telescopic column. The urban gardening monitoring and irrigating device is easy to operate and convenient to install and provides stable supporting and fixing; under the support of a wireless network, personnel can conduct remote management and control to conveniently know soil humidity and later-period irrigation information, the comprehensiveness and sufficiency of spraying irrigation can be ensured, the irrigation quality is improved, workloads of the personnel are relieved, external reasonable protection of a control unit is provided, and the service life of the device is prolonged.

The invention discloses a test data generation method and device. The method comprises the following steps of: generating test data preparation rules according to data categories; determining a data structure of to-be-generated test data according to a to-be-tested case; obtaining a data category corresponding to the data structure; determining the test data preparation rule corresponding to the data category in the test data preparation rules; and generating test data from source data corresponding to each test data preparation rule according to the test data preparation rule corresponding tothe test data. Through the method and device provided by the invention, the aims of providing full-dose test data ensuring the test sufficiency are realized.

The invention discloses a tidal current automatic regulating method based on node type conversion, and aims at regulating tidal current calculation misconvergence caused by reactive power imbalance. The method comprises the following steps that when the tidal current calculation misconvergence of a system is ceased by the reactive power imbalance, all PQ nodes in the system are set into PV node types, the tidal current calculation is carried out, and the tidal current calculation convergence is realized. Reactive vacancy indexes of the nodes are obtained, the nodes are gradually recovered into the PQ nodes according to index values, the tidal current calculation is repeatedly carried out, and the nodes incapable of being recovered are determined. The regulating method provided by the invention has the advantages that a good effect can be respectively achieved on the tidal current calculation misconvergence caused by reactive power imbalance and slight active power imbalance; obtained results provide tidal current regulation basis for workers, and the foundation is also laid for the tidal current reasonability regulation; the regulation speed of an algorithm is high, and the tidal current automatic regulating method is applicable to a large-scale system.

The invention belongs to the field of mechanical tests on radar domes, particularly relates to a static load application method for a large-curvature radar dome, and solves the problem on loading of ahigh-load static test of a radar dome having a small-size region. For such a phenomenon that the radar dome is partially layered by extremely high partial stress of the radar dome, which is easily caused when a high load is applied to the large-curvature radar dome having the small-size region by using a canvas belt and an operator type wood block, a test result is too harsh. According to the static load application method for the large-curvature radar dome, a loading air bag and a loading cavity are adopted, and a loading sand bag is further adopted. The radar dome is placed in the loading cavity; the loading sand bag is placed in a region near to the large-curvature position of the radar dome; the loading air bag covers the radar dome; the loading air bag is inflated to load the radar dome. Therefore, the radar dome can be uniformly and fully loaded, and the efficiency of the static test can be improved.

The invention discloses a hot air circulating pre-oxidation furnace, comprising a front rack, a rear rack, a furnace body, a mesh belt chain transmission mechanism, an exhaust system, a nitrogen atmosphere system and a plurality of heating regions arranged in the furnace body, wherein each heating region is provided with an independent hot air circulating system; the hot air circulating system comprises a circulating fan, an air heater, an internal circulating air duct and an air filter; the air heater is arranged at an air inlet of the internal circulating air duct; the air filter is arranged at an air outlet of the internal circulating air duct; and the circulating fan is connected with the air inlet and the air outlet of the internal circulating air duct. Through the hot air circulating pre-oxidation furnace, the technical problems of high heating energy consumption and high operation cost of the traditional pre-oxidation equipment are solved.

The invention relates to an autonomous matching test system for the integral time of a space camera in super-agility dynamic imaging, which comprises a space camera subsystem, a camera ground detection subsystem, a collimator and a dynamic scene simulation subsystem, wherein the space camera subsystem comprises a camera main body and camera electronics, the camera main body comprises a camera lens, a camera focal plane and a support frame, the camera electronics comprises a camera integrated electronic unit and an image processing unit, the ground detection subsystem comprises a control detection unit and an image acquisition unit, and the dynamic scene simulation subsystem comprises a high-precision low-disturbance rotating axis target, a target control system and an upper computer. The camera integral time adopts an external trigger mode, and the correlation between the camera integral time and the simulated scene movement is achieved; the time delay is eliminated by the combinationof software and hardware from the perspective of the test system, the synchronization of the simulated scene movement and the camera imaging is realized, and the adequacy of the ground test verification test is guaranteed.

The invention discloses a segmentation method of news program, which comprises the following steps of: acquiring the audio and video data, selecting new clips about a moderator, an interviewer and program music, training a global background model according to clips data, respectively self-adapting the speech/music clips on the global background model, computing a mapping vector as a space vector to obtain a self-adaptive model, segmenting the news program according to the end point detection, adjusting a threshold value, performing the speech/music recognition one segment by one segment according to the self-adaptive model, labeling the identity of a producer of each segment of speech/music; meanwhile, preserving the confidence grade information, extracting a video key frame from the news program clips with the confidence grade less than a predetermined value, verifying a labeling result, and combining the news program clips which are adjacent to each other and have the same producer of speech/music. By adopting the technical scheme, the automation of the segmentation of the news program is greatly increased, and the accuracy of the segmentation of the news program is guaranteed.

The disclosed all-weather dual-camera laser speed measuring and quoting device comprises: a laser speed velometer and a color digital camera both on one side of the case, and a controller connected with former pieces by wire, wherein the included angle between the velometer and camera is between 0deg and 0.075deg, the camera composes by a close-up digital camera and an overall digital camera arranged from upper to lower, and the velometer composes by a laser emitter and a receiver. This invention applies its controller to operate the cameras for fast and accurate images, and fit to all weather work.