422results about How to "Reliable performance" patented technology

An apparatus and method are disclosed that provide for establishing and/or improving binocular vision by adaptation of perceptual motor learning for the visual system of a patient suffering of a binocular vision disorder. The apparatus has a set of two units, one for respectively eye, for manipulation of a vision parameter of the visual presentation, e.g. picture, movie, image. To control the visual presentation on respectively unit a processing unit is connected. The processing unit is adapted to determine a boundary value of a first and/or second vision parameter for the first and/or second manipulation of the first and second unit, where binocular vision disappears for the patient. Furthermore, the processing unit controls at least one vision parameter by manipulating, including oscillating or fluctuating, it within a first range, the first range having a maximum value that is less than the boundary value, for the perceptual motor learning.

The invention discloses an intelligent centrifugal pump cavitation fault detector, which is characterized by comprising a signal acquisition system, a signal processing system, a detection system and a display control system, wherein the signal acquisition system is a pressure transmitter arranged at the inlet of a centrifugal pump; the signal processing system comprises a singlechip, a latch, a program memory, decoder, an analog-to-digital converter, a D trigger, a NOT gate and an NOR gate; the detection system is used for analyzing wavelet multi-dimensional statistical characteristic quantity, performing characteristic extraction on signals, classifying and identifying the extracted characteristic parameters by using a support vector machine to differentiate different cavitation states of the centrifugal pump at a normal running state, a primary cavitation stage, a light cavitation stage and a serious cavitation stage and transmitting the final detection result to the display control system; and the display control system comprises a liquid crystal display module, a loudspeaker (LS) and waved switches S3-S6. The detector has the advantages of reasonable structure, reliable performance, quick and accurate detection, low expense, capability of fully meeting the cavitation fault diagnosis requirement of the centrifugal pump and the like.

A transmission shaft with a real-time online torque monitoring device comprises a shaft rod, wherein an installing groove for an electrical apparatus element to be installed is formed in the middle of the side wall of the shaft rod and is in a shape of a circular ring around the side wall of the shaft rod. A Wheatstone bridge is arranged in the installing groove, the electric signal output end of the Wheatstone bridge is electrically connected with the electric signal input end of a signal amplifier, the electric signal output end of the signal amplifier is electrically connected with the electric signal input end of an analog-digital converter, the electric signal output end of the analog-digital converter is electrically connected with the electric signal input end of a radio transmitting module, the radio transmitting module sends a signal to a radio receiving module, and the radio receiving module is connected with a computer capable of processing, displaying and storing a torque value transferred by the transmission shaft. The transmission shaft with the real-time online torque monitoring device can achieve online torque monitoring in a narrow space in a high-temperature and high-vibratory-impact environment and is stable and reliable in working performance and high in measurement accuracy.

Systems and methods for medical interventional procedures, including approaches to valve implantation. In one aspect, the methods and systems involve a modular approach to mitral valve therapy.

The invention relates to a screen printing and digital printing combined printing device and a printing method of the screen printing and digital printing combined printing device. At present, no printing method or printing method which is high in printing precision and printing speed exist. The printing device is characterized by comprising a machine frame, a rotating roller, a conveyer belt, a screen printing mechanism and a digital printing mechanism, the conveyer belt is installed on the rotating roller, the screen printing mechanism is installed on the machine frame, the digital printing mechanism is installed on the machine frame, and the screen printing mechanism is matched with the digital printing mechanism. The printing method is characterized in that shell fabric is driven to move through the conveyer belt, the shell fabric is printed through the screen printing mechanism and the digital printing mechanism, and if patterns needing to be printed on the shell fabric include large pieces of patterns, the patterns are printed through the screen printing mechanism; if the patterns needing to be printed on the shell fabric include high-precision patterns, the patterns are printed through the digital printing mechanism. The printing device and the printing method are reasonable in structural design, reliable in performance, high in printing precision and high in printing speed.

An automatic clustering method using an Average-linkage algorithm and a KPower Means algorithm, and a method and apparatus for multi-path clustering required for a spatial channel modeling (SCM) in a wireless communication environment are provided. The automatic clustering method, including: a first step of obtaining an initial cluster centroid using a hierarchical clustering algorithm; a second step of moving the initial cluster centroid using a two dimensional clustering algorithm; a third step of clustering a data set according to the moved initial cluster centroid; and a fourth step of calculating a validation index with respect to the clustered data set and determining an optimal number of clusters.

The invention discloses an online analysis system of a ship exhaust emission. The online analysis system of the ship exhaust emission comprises a flue gas sampling unit, a flue gas pretreatment device, a flue gas analysis system, a flue gas parameter measuring system, an automatic blowback control system, a data acquisition system (DAS), a smoke monitoring system, a flue, a gas testing room and an analysis instrument cabinet, wherein the flue gas sampling unit comprises a sampling probe, a smokometer, a flowmeter, a moisture tester, a pressure sensor and a temperature sensor; the flue gas pretreatment device comprises a sample gas pretreatment unit, calibration equipment and a purging unit; the flue gas sampling unit is arranged in the flue, and connected with the analysis instrument cabinet through a cable; the flue gas pretreatment device and the flue gas analysis system are both mounted in the analysis instrument cabinet. With the adoption of the online analysis system of the ship exhaust emission disclosed by the invention, real-time, on-line and continuous detection of a variety of pollutants in flue gases can be carried out, a gas chamber can be prevented from corrosion damage and pollution, and a gas pipeline can be prevented from blockage; furthermore, the performances are stable and reliable, and the maintenance workload is small.

The invention provides a mechanic-electric property tester for in-situ tensioning of nanometer line in a transmission electron microscopy (TEM), pertains to the in-situ testing of properties of nanometer material. The invention comprises a piezoelectric ceramic tensile unit, a micro cantilever beam mechanics testing system and an electric measuring system, and carries out in-situ tensioning for a single nanometer line and other nanometer materials in a TEM, and realizes an imaging system that can take use of the TEM during the tensioning, so as to get in-situ deformation in nanometer size or atom size. In addition, the invention can achieve quantitative measurement on such mechanical properties as elasticity, plasticity and breakage, and also can carry out measurement on electric properties of a lot of nanometer materials, and investigate the property for transmitting electric charges during the tensioning. The invention is of simple structure, easy to operate, widely applicable, is straightforward and quantitative, is good for explaining and discovering the excellent comprehensive properties of nanometer materials in term of mechanics and electrics.

The invention provides an impeller type axial and circumferential compound impactor, which includes a conversion joint, a motor assembly and an impact assembly. The front end of the motor assembly is connected to the impact assembly, and the rear end is connected to the conversion joint. The impeller of the motor assembly converts the liquid energy into rotational mechanical energy, thereby driving the rotary valve of the impact assembly to rotate. There are holes, so that the drilling fluid periodically enters the hammer head and the hammer body barrel cavity, and the hammer head periodically hits the hammer body barrel under the push of the liquid to produce circumferential shocks, and at the same time, the axial holes of the rotary valve and the valve cover are periodically dislocated. Change the liquid pressure to generate high-frequency axial vibration, and transmit the axial and circumferential impact force to the drill bit through the lower joint to eliminate the stick-slip phenomenon, protect the drill bit, and improve the rock-breaking efficiency of the drill bit. The impeller-type axial and circumferential composite impactor of the present invention uses drilling fluid to generate two impacts, axial and circumferential, and can effectively improve drilling efficiency.

The invention discloses a binocular stereo vision-based human face detection method, device and system. The method comprises a step of collecting human face video data according to a first pick-up head and a second pick-up head and determining whether or not a human face is in a preset common visual range of the first pick-up head and the second pick-up head; a step of generating a human face image depth map according to the human face video data if the human face is in the preset common visual range of the first pick-up head and the second pick-up head; a step of determining whether or not the human face image depth map forms a human face three-dimension structure diagram according to a preset three-dimension structure classification rule; and a step of indicating that the human face is a face of a living body if the human face image depth map forms the human face three-dimension structure diagram. With the binocular stereo vision-based human face detection method, device and system, the detection of the human face of the living body can be performed without depending on motion cooperation of a user, and a problem that the user may be not cooperative is solved.

An alloyed 2N copper wire for bonding in microelectronics contains 2N copper and one or more corrosion resistance alloying materials selected from Ag, Ni, Pd, Au, Pt, and Cr. A total concentration of the corrosion resistance alloying materials is between about 0.009 wt % and about 0.99 wt %.

The invention discloses an auto electronic shifter assembly. The auto electronic shifter assembly comprises a support body, a gear plate, a circuit board, a gear sensing assembly, and a gear operation assembly, wherein the gear plate is clamped on the support body and forms a hollow cavity structure together with the support body; the circuit board is fixed in the support body; the gear sensing assembly and the gear operation assembly are arranged in the hollow cavity structure; the gear sensing assembly is connected with the circuit board; the gear sensing assembly consists of a first photoelectric sensor, a second photoelectric sensor and a shading sleeve; and the gear operation assembly consists of a gear knob cap, gear keys, a knob slider, a support plate, a gear base, a limiting tube, a spring sleeve, a return spring and a pressing block. The electronic shifter assembly has the advantages of high shifting reliability, convenient operation, small size and low cost.

A harvesting system includes a self-propelled harvesting machine and a drivable collecting container equipped with a drive unit, which can be positioned relative to the harvesting machine and moved in parallel therewith. Crop is fed directly or indirectly to the collecting container during harvesting operation from the harvesting machine using a feed pipe equipped with an outlet chute. The collecting container is equipped with a device for loading it with crop in a uniform manner. The collecting container is moved in a constant position relative to the harvesting machine by way of a control device while the crop is being conveyed. The collecting container is preferably a filling device, by way of which uniform distribution of the crop in the collecting container (8) can be attained.

A test method for improving coal rock permeability and a device thereof particularly relate to a test method and a device thereof which can improve coal rock permeability by changing the pore structure and mechanical properties of coal rocks through an electroosmosis action. The method includes that a positive electrode and a negative electrode are arranged at two ends of a coal rock sample to perform the electroosmosis action, the coal rock permeability is measured before and after the electroosmosis action and during the process of the electroosmosis action, a mechanism of the electroosmosis action on intensifying the coal rock permeability is researched, intensifying parameters are optimized, and a scientific theoretical basis is provided for an engineering application of improving the coal rock permeability by means of the electroosmosis. The device comprises a three-spindle seepage test room, a plunger pump, a water injection pump, a water tank and a direct-current power supply. The device is simple in structure, reliable in performance and accurate in measurement. The method is remarkable in effect, after the electroosmosis action, the permeability of the coal rock sample can be improved by 65% to 128%.

A thermal ink layer (102) formed by a thermochromic material changing from a black color to a transparent state when heated is arranged on a base (101) which is a PET film. A cholesteric liquid crystal layer (103) in which an appropriate pattern of hologram (105) is formed is arranged on the thermal ink layer (102). At room temperature, the thermal ink layer (102) exhibits the light absorption characteristic and the selective reflection characteristic and it is possible to observe the color shift characteristic of the cholesteric liquid crystal layer (103). When heated, the thermal ink layer (102) becomes transparent and the pattern (104) on the base (101) is further observed in the superimposed state. By utilizing the change of the view, it is possible to authenticate a commodity. This realizes a higher level for preventing forgery than the conventional discrimination technique and enables a user to easily and surely judge whether a commodity is a forged one.

The invention provides an integrated automotive diagnostic instrument and a diagnosing method thereof, wherein the integrated automotive diagnostic instrument comprises a PC, an electric control unit, a diagnosis adapter and a diagnosis server. The integrated automotive diagnostic instrument has advantages of relatively high versatility and relatively low cost. Furthermore diagnosis efficiency and diagnosis accuracy of maintenance service personnel are improved. The diagnosing method comprises the steps of a first step, connecting the PC with an electric control unit and establishing communication connection between the PC and the electric control unit, and simultaneously initializing the diagnosis adapter; a second step, selecting a diagnosing function; a third function, performing function testing; and a fourth step, displaying a diagnosing result. The integrated automotive diagnostic instrument and the diagnosing method have advantages of realizing function integration and greatly improving versatility of diagnosing software.

The invention discloses a second-level coal mine rescue robot system. The system comprises a detection robot and a carrying robot, wherein the detection robot detects related environmental information at a place where a coal mine accident occurs in real time; the carrying robot transports the detection robot to a place nearby the place where the coal mine accident occurs from the ground along the existing transportation channel which is formed in a coal mine underground tunnel and synchronously detects related environmental information in the coal mine underground tunnel in real time in the transportation process; and the carrying robot is a wheel robot and the detection robot is a crawler robot. The system has a reasonable design, high intelligentization degree and reliable working performance and is convenient to use and operate; and the carrying robot and the detection robot second-level robot system effectively solves the problems that: the underground conditions of a coal mine are severe, the place where the accident occurs is far away from a well head, the crawler rescue robot has a limited moving range and cannot effectively monitor the environmental information of the place where the accident occurs, and the like.

The invention relates to an optical cable connector, and provides an underwater optical cable connector, which is capable of meeting requirements on water tightness and tensile performance, and providing detachable and movable connection. The underwater optical cable connector is characterized in that mutually matched cone structures are arranged on a plug shell and a socket shell respectively sothat the plug shell and the socket shell can be in gapless sealing connection by means of insertion, a sealing connection structure is arranged between a plug and an optical cable, the space between the plug shell and a tensile taper sleeve is sealed by an 'O'-shaped sealing ring, and a sealing tail sleeve for sealing is formed in the space between the optical cable and a tail part of the whole plug by mean of integral die casting. The movable sealing connection structure is arranged between the plug and a socket of the underwater optical cable connector, the two shells are connected by cones, no gap is reserved between the inner cone and the outer cone, the space between the cones is sealed by the 'O'-shaped sealing ring, the inner cone and the outer cone are locked by a connecting nut, and the underwater optical cable connector is simple in structure, reliable in performance, extremely high in water pressure resistance and convenient in connection and detachment.

The invention relates to a living garbage renewable coal product and a preparation method thereof. The product comprises: 65 percent to 70 percent of living garbage, 15 percent to 20 percent of comburent, 3 percent to 6 percent of deodorant, 3 percent to 7 percent of ignition agent, 2 percent to 5 percent of sulfur fixing and hydrogen chloride fixing substances, 1 percent to 2 percent of preservative and 2 percent to 3 percent of adhesive. The preparation method comprises the following steps: the garbage is collected to all the additive components are prepared to the scratch, the vibration selection and the magnetic selection pre-treatment are carried out, thereby removing coarse visible inert materials and iron and steel metals and then carrying out the coarse breaking of the garbage by using a coarse breaker to the coarsely broken garbage is extruded to carry out the dehydration by using a high-speed rotary extruder, the deodorant and the sulfur fixing and chloride fixing substances are added for even mixing to the high-temperature drying by a tunnel kiln is carried out to the fine breaking is carried out after the drying, the ignition agent, the comburent, the preservative and the adhesive are added to the even mixing with the garbage particles after the fine breaking is carried out to the extrusion forming is carried out. The product and the preparation method can ensure the urban living garbage to achieve the purposes of resourceful treatment, harmless treatment and industrialization.

A system for charging a power tool battery includes a charging device capable of charging a battery, a memory device capable of storing data of a plurality of sound patterns, a selecting device capable of selecting a sound pattern data from the plurality of sound patterns, and a sound generating device capable of generating a sound based on the selected sound pattern data when the charging operation of the battery by the charging device has been completed.

The invention relates to the measurement device and method of the scanning electron microscope single nanometer line original force comprehensive property. It designs the rough adjusting displacement platform, ceraminator and micro cantilever beam dynamic inspection system to realize the nanometer line elasticity, with quantitative measure of the dynamic feature of the plastic and fraction process, together with the nanometer line electrical feature measurement. It scans the elastoplastic deformation, fracture failure method and electric charge transmission feature, matching the nanometer line dynamic feature, electrical feature, dynamic and electrical coupling feature, and other microstructure change, revealing the composite performance of the one dimension nanometer line. It is easy, convenient for operation, extensive in use, with intuitionistic and quantitative measurement feature.

The invention discloses a gas insulation isolating switch device, comprising a shell, an isolating switch and at least a ground switch; the isolating switch comprises a moving end part and a fixed end part; the moving end part comprises a moving end shielding case, a moving contact seat, a moving contact and a moving contact shielding case; the moving end shielding case is provided with a ground switch fixed contact; the fixed end part comprises a fixed end shielding case, a fixed contact seat, a fixed contact and a fixed contact shielding case; the moving contact and the fixed contact are horizontally arranged; the opening direction is coherent with the axes of the shell; the moving end part is connected with an operating transmission mechanism; the device is characterized in that: the operating transmission mechanism is transmission mechanism meshed by gear and rack, or mechanism of lead screw transmission; the rack or lead screw is directly connected with the moving contact conductor or the moving contact. The invention is able to realize the direct connection and three-phase joint, and has flexible arrangement according to different connection modes, and is suitable for GL type isolating switch and GR type isolating switch, and has good commonality and high standardization degree.

The invention discloses a magnetorheological damper for an automotive suspension. The magnetorheological damper is characterized by comprising a single-rod hydraulic cylinder, a dustproof cover, connectors, a free piston and a one-way inflation valve, wherein magnetorheological fluid is filled in an inner cavity of the single-rod hydraulic cylinder; an excitation coil is wound in the middle of the piston; a gap is formed between the piston and an inner wall of the cylinder body, so that the magnetorheological fluid returns between two cavities through the gap; a wire hole is formed on a central axis of the piston and the piston rod; a wire is arranged in the wire hole and is connected with the excitation coil; the one-way inflation valve is arranged on the inner side of an end cover of a volume compensation cavity; an air vent is formed on the end cover; the dustproof cover is arranged at one end of the single-rod hydraulic cylinder; the output end of the piston rod is arranged in the dustproof cover; and the connectors are arranged at the ends of the dustproof cover and the cylinder body. The upper and lower connectors are respectively connected to the frame and an axle of an automobile and are connected in parallel with a suspension spring, and the magnetorheological damper is reasonable in design, simple in structure and adjustable in damping performance.

The invention discloses an earth pressure balance push bench, which comprises a cutting disk, a disk driving mechanism, a housing and a spiral conveyer, wherein the back surface of the cutting disk is provided with an earth cabin; the disk driving mechanism comprises a central cylinder, a force transfer ring and a power source for driving the force transfer ring to rotate; the force transfer ring is connected to the back surface of the cutting disk; the central cylinder is communicated to the earth cabin; the housing is cylindrical; the front end of the housing is connected to a driving box; and the spiral conveyer extends into the housing from the rear end of the housing and is communicated in the central cylinder. The earth pressure balance push bench dislcosed by the invention is compact in structure, reliable in performance, convenient to operate, and high in automation degree, can make full use of available space of a pipe under the harsh conditions of construction space, and is greatly compressed in whole size of a main engine on the premise of keeping original functions.

The invention provides a preparation method of carbonic rare earth-ferrum, cobalt and silicon compound with NaZn1 structure, belonging to the technical field of magnetic refrigeration material; in the invention, a vacuum induction furnace is adopted for smelting, vacuumizing is carried out to above 2*10-1Pa, the pressure of common argon is from -0.05MPa to -0.02MPa, the smelting temperature is more than from 50 DEG C to 200 DEG C than the melting point, the smelting time is from 3-20min; the material is poured into a casting mould with red copper material to obtain mother alloy after being smelted, annealing treatment is carried out to the smelted mother alloy, so as to prepare the carbonic rare earth-ferrum, cobalt and silicon compound with 0.1-0.4 of C atom content alpha. The method can prepare the carbonic rare earth-ferrum, cobalt and silicon compound with more than 3mm of bulk mass, the annealing time is greatly shortened, and the obtained carbonic rare earth-ferrum, cobalt and silicon compound belongs to second-order phase transition without heat stagnation and magnetism stagnation, the performance is stable and reliable, Curie temperature can be regulated to more than room temperature, and the carbonic rare earth-ferrum, cobalt and silicon compound is applied to the magnetic cooling air-conditioning technology and wide magnetic refrigeration technology.

Ceramic materials are converted to materials with anisotropic thermal properties, electrical properties, or both, by forming the ceramics into composites with carbon nanotubes dispersed therein and uniaxially compressing the composites in a direction in which a lower thermal or electrical conductivity is desired.

The invention discloses a personal computer (PC) network telemetered multi-parameter acquisition cow tie with a solar/temperature difference power supply. The overall cow tie mainly comprises a waterproof sandwich cow tie (1) matching terminal, an air bag type respiratory frequency acquisition device (21), a progenitive cow/calf birth alarm device (40), a polycrystalline silicon solar wireless transceiver antenna assembly (55), a desk paging host (63), a mobile phone telemetered cow ear tag card reader (75), a portable solar repeater (74), a fixed solar repeater (69), a printer/computer (52), an RS485 data bus (66), a disease analysis and diagnosis PC database management system (90), and a mobile phone remote controlled card reader database (91). The tie is technically characterized in that: by the system, various physiological parameters including cattle ear tags, number, hutches, body temperature of herds, amount of exercise, respiratory frequency, global position system (GPS) satellite positioning, movement track, and information reading and storage of cattle and herds can be monitored at any time; that veterinarians and the staff contact unsafe factors of human and livestock cross infectious and viral diseases, transmitted diseases and body temperature inspection of animal groups is avoided; the information transfer level of a first emergent forecast period in the whole range is improved; and the system is simple and practicable, and convenient to use.

Provided is an adhesive application device that applies an adhesive onto each of sequentially conveyed paper sheets, the device including: a device frame; a bonding member that delivers the adhesive for bonding the paper sheets to each other; a plurality of bonding units that are arranged in a sheet width direction and each have the bonding member; a support member that supports the bonding units on the device frame so as to be movable between a bonding position at which each bonding unit presses its bonding member to apply the adhesive onto the paper sheet and a separated position separated from the bonding position; and a moving member that moves the plurality of bonding units to the bonding position with timing shifted. Thus, it is possible to move the bonding units with a smaller drive force than in a case where the bonding units are moved simultaneously. Further, it is possible to reduce, even if the twist or wrinkles occur in the paper sheet in an initial pressing operation, the twist or wrinkles by utilizing a time lag up to the next pressing operation of the bonding units, thereby allowing adhesive application to be performed more reliably.

The invention discloses a system and a method for monitoring total nitrogen and total phosphorus of a water body. The system comprises an automatic sampling control device, a digestion device and a total nitrogen and total phosphorus color-developing flow path, wherein the automatic sampling control device is connected with the digestion device, and an injection pump provides powder to drive a solution to flow; channels of an eight-channel selecting valve are connected with the digestion device, a phosphorous color-developing agent, the total nitrogen and total phosphorus color-developing flow path and a spectrograph correspondingly; the total nitrogen and total phosphorus color-developing flow path consists of a liquid storage pipe and the injection pump. By the method, a certain amount of digestion liquid is absorbed into the liquid storage pipe sequentially after digestion is finished, the total nitrogen and total phosphorus are measured sequentially, and pipelines and the digestion device are cleaned automatically after measurement is finished. By virtue of the system and the method, the total nitrogen and total phosphorus can be digested on line and can be measured on line. The system and the method have the advantages of convenience in operation, reliable performance, high sensitivity, high selectivity, low reagent consuming amount and the like.

A sheet output device includes a sheet receiver and a group of rollers. The group of rollers includes a plurality of output rollers arranged in the widthwise direction of the sheet and a plurality of pinch rollers arranged upward of the plurality of output rollers. The plurality of pinch rollers pinch the sheet with the plurality of output rollers and transport the sheet onto the sheet receiver. The sheet output device further includes at least one corrugation roller which is disposed between corresponding two of the plurality of output rollers and which has a diameter larger than the plurality of output rollers. The plurality of output rollers are rotatable relatively with respect to the at least one corrugation roller. The at least one corrugation roller rotates by being pushed by a leading end of the transported sheet.