225results about How to "Good fit" patented technology

The invention discloses a method based on monocular vision for detecting and roughly positioning the edge of a road, and relates to the field of machine vision and intelligent control. Aiming at a continuous road with different edge characteristics, two road edge detection methods are supplied and suitable for semistructured and nonstructured roads and can be applied to vision navigation and intelligent control over a robot. The invention provides a method for detecting the edge of the road based on colors and a method for detecting the edge of the road based on threshold value partitioning. On the basis of the obtained edge of the road, an image is subjected to inverted perspective projection transformation, so that a front view is transformed into a top view; and according to a linear corresponding relation between a pixel and an actual distance in the image, a perpendicular distance from the current position of the robot to the edge of the road and a course angle of the robot can be calculated. The method is easy to implement, high in anti-interference performance, high in instantaneity and suitable for the semistructured and nonstructured roads.

An absorbent article (1) having a liquid-retentive absorbing layer (2), a liquid-impermeable leakproof layer (3), and standing gathers (4) on each side. The gathers have an elastically extensible portion (40) coming into planar contact with the wearer's skin while worn. The elastically extensible portion (40) is made of a sheet (44) and at least one elastic member (45), the elastic member (45) being fixed to the sheet (44) discretely in the longitudinal direction in its stretched state, and the parts of the sheet where the elastic member (45) is not fixed are raised by contraction of the elastic member (45) to form a plurality of hollow ridges (43) on the side of the elastically extensible portion (40) to be brought into contact with the wearer's skin.

An elbow prosthesis is provided. The elbow prosthesis includes an ulnar component. The ulnar component includes a first portion implantable in a cavity formed in the ulna and a second portion. The first portion of the ulnar component defines a longitudinal axis. The second portion of the ulnar component is rotatably connected to the first portion of the ulnar component about an axis normal to the longitudinal axis. The elbow prosthesis also includes a humeral component including a first portion implantable in a cavity formed in the humerus and a second portion. The second portion of the humeral component is operably connected to the second portion of the ulnar component.

The invention relates to a characterization method for pore space of shale matrix reservoirs. Based on different types of pores in shale gas reservoir cores, based on the superposition coupling method, a construction theory for digital cores generated by a hybrid method while considering organic pores and inorganic pores is established. with method. The digital core that considers organic pores and inorganic pores is constructed by superposition algorithm, which not only retains the geometric topology information of inorganic pores, but also retains the spatial position information of organic micropores, and can describe the special pore distribution characteristics of shale rocks at the same time. The established digital core was analyzed for geometric topology, and the pore radius distribution and coordination number fit well with the experimental results, which verified the correctness of the construction method and numerical analysis method. This method establishes a basic platform for subsequent shale medium pore structure analysis and microscopic flow simulation.

The invention discloses a balloon catheter and a manufacturing method thereof and aims to improve pushing capability and permeability of the balloon catheter, lower damage to blood vessels, and increase utilization rate of the balloon catheter. A balloon passes through a far-end outer catheter body and a near-end catheter body to a needle seat to form a pressure cavity. A far end of the balloon is connected with a catheter tip. The far-end outer catheter body is made of nylon or nylon elastomer. The near-end catheter body is made of stainless steel or nickel-titanium memory alloy. An inner catheter is arranged in the pressure cavity. A far end of the inner catheter is connected with the catheter tip. A near end of the inner catheter is a fast switching port for a guide wire. The manufacturing method includes obtaining parts and assembling. Compared with the prior art, by the catheter tip, the far end of the balloon catheter is good in tenacity and in good fit with the guide wire. During treating complex lesion such as curve blood vessels with lesion and chronic fully closed blood vessels with lesion, permeating capability of the balloon catheter through the blood vessels with lesion is high, the blood vessels with lesion can be expanded fully, blood vessel damage which can be caused easily can be reduced, and operation cost is lowered.

An embodiment of the invention provides a take-out delivery time prediction method and a take-out delivery time prediction device. The take-out delivery time prediction method comprises the steps of:acquiring order information of a take-out order, and determining historical influencing factors and current influencing factors corresponding to the take-out order according to the order information,wherein the historical influencing factors are determined based on historical take-out delivery data; and determining delivery duration of the take-out order according to the historical influencing factors and the current influencing factors of the take-out order and a nonlinear prediction model. Since the historical influencing factors and the current influencing factors influencing the take-outdelivery duration are fully considered when predicting the delivery duration of the take-out order, the take-out delivery duration can be predicted more comprehensively. Since a gradient boosting treemodel and a random forest model are combined to construct the nonlinear prediction model used for predicting delivery duration, the influence of nonlinear influencing factors on the take-out deliveryduration are fully considered, thus the nonlinear prediction model has better fitting effect, better robustness and better delivery duration prediction effect when compared with the traditional linear regression model.

The invention provides a shoreline extraction method of a remote sensing image based on an object-oriented method and a membership rule thereof. The method obtains an optimal segmentation scale by evaluating multi-scale segmentation and segments an image based on homogeneity principle. Then, the feature samples are constructed to obtain the features of the underlying surface. Secondly, attributesare assigned to the image object unit based on membership rules. Finally, the land information is divided into water and non-water binary information images, and the coastline information is obtainedby line reduction algorithm after grating loss conversion. The method of the invention realizes the high-precision extraction of the coastline, has good fitting degree in most areas, and can be betterapplied to the extraction of the coastline in a large range.

The invention discloses a prone-operative-position mattress. The prone-operative-position mattress comprises a prone-position mattress body, a head cushion, a trunk cushion and lower-limb cushions. The head cushion is arranged on the prone-position mattress body, the prone-position mattress body and the lower-limb cushions are connected with the trunk cushion, lower-limb grooves are formed at joints of the trunk cushion and the lower-limb cushions respectively, and the whole prone-operative-position mattress is of a vertical centrosymmetric structure. By the prone-operative-position mattress, patients can keep their operative positions unchanged for a long time during operations, and standard arrangement of the operative positions of the patients during prone-position operations is realized; the standard arrangement is reasonably designed on the condition that features of the prone-position operations, genders, heights and weights of the patients and different pressure bearing capabilities of limbs are fully taken into consideration, so that the limbs of the patients are reasonably supported to disperse the pressure borne by the trunks and the limbs of the patients so as to protect the patients; workload and working difficulty of medical workers are lowered; operation time of the patients is indirectly shortened, complications during and after the operations are reduced, hospital stays are shortened, and hospitalization costs are reduced.

The present invention relates to a method for fabricating a planar independent-double-gate FET or a planar gate-all-around FET on a bulk semiconductor substrate. The method comprises refilling a surface recess in an active semiconductor region with a buried sacrificial layer, and, after preparing a pre-processing a gate stack by respective deposition and patterning, the formation of a recess in the isolation regions so as to cause the recess to extend, in a depth direction that points towards the inner substrate, to a depth level that allows removing the buried sacrificial layer and so as to cause the recess to undercut portions of gate stack in the channel direction.

The invention relates to a large blood vessel anastomat. The large blood vessel anastomat is characterized by comprising an anastomosis clamp fixed through a spring, another anastomosis clamp fixed through a tooth and a buckle, another anastomosis clamp made by a long-piece-shaped soft object, provided with hooks on one side and buckles on the other side and fixed through the hooks and the buckles, a cylindrical supporting support and an artificial blood vessel portion, a cushion can be placed in the anastomosis clamp fixed through the tooth and the buckle, a row of small round holes are formed on one side of the supporting support or on each of two sides of the supporting support, a groove can be formed in the middle of the supporting support, length of the supporting support is slightly smaller than that of each anastomosis clamp, an artificial blood vessel can be connected with the supporting support, the artificial blood vessel connected with the supporting support is divided into two sections including a thin-wall artificial blood vessel close to the supporting support and a thick-wall artificial blood vessel away from the supporting support, and a circular-truncated-cone-shaped thick-wall artificial blood vessel is connected at a position where the thin-wall artificial blood vessel is connected with the thick-wall artificial blood vessel.

A method for adapting a hearing device (6, 7) to the hearing needs and preferences of an individual (U) is presented, wherein sound processing in said hearing device (6, 7) is programmable by means of adjustable parameters. The method comprises the steps ofa) presenting at least one auditory test signal (1a) to said individual (U);b) capturing at least one image (2a) of at least a portion of said individual's body;c) analyzing said at least one image (2a);d) deducing from said image analysis whether or not said individual (U) has shown a reaction upon said presenting said at least one auditory test signal (1a) and, if yes, which reaction said individual (U) has shown;e) determining, in dependence of said at least one auditory test signal (1a) and of said reaction or lack of reaction, a setting for at least one of said adjustable parameters.

The invention belongs to the field of robots, and specifically discloses a complex environment-oriented lower limb robot gait planning method. The method comprises the steps of: setting mark points onthe lower limbs of a human body, and obtaining static posture data and moving posture data of the human body through a motion capture system; carrying out inverse kinematic calculation on a human body model according to the moving posture data so as to obtain angle data of each joint in the moving process; and establishing a fitting function according to a relationship between the angle data of each joint and a period, and carrying out lower limb robot gait planning according to the fitting function. According to the method, the discrete joint angle data is serialized, so that the change of the joint angle data in the gait period can be basically restored; experiences prove that the method has relatively fitting results, is capable of enabling the lower limb robots to restore the motionsof the human bodies to the greatest extent, and can be suitable for complex walking environments such as walking, climbing hills and climbing stairs.

The invention discloses a preparation method of a magnetic adsorptive material and application thereof. The preparation method comprises the following steps: performing acid pickling and alkaline wash on granular active carbon GAC so as to obtain the pretreated GAC; mixing with Co(NO3)2.6H2O, Fe(NO3)2.9H2O and AgNO3, adding deionized water to be dissolved and stirred, carrying out hydrothermal reaction on the obtained mixture in a reaction kettle, filtering the reacted product, washing with deionized water and ethanol until any color does not exist, performing drying and high-temperature calcining on the obtained colorless product, and finally obtaining granular active carbon Ag-CoFe2O4-GAC loaded with silver cobalt ferric oxides. The modified GAC has improved adsorptive property and also has magnetic property, heavy metals are removed from a water body by virtue of adsorption and magnetic separation when wastewater containing heavy metals is treated, the modified GAC serves as a novel magnetic adsorptive material, and the effect of treating the heavy metals in the wastewater is obviously improved.

The invention provides a method for forming a titanium alloy sheet metal part. The method is simple, and effectively achieves heated equipment, devices and high temperature resistant moulds in the titanium alloy sheet metal part heating forming method in the prior art and lubrication and pollution prevention under high temperature, heat preservation and pressure maintaining are mainly carried out on titanium alloy materials for a certain time for forming at the temperature of stress relaxation and the creeping state, and high-quality and high-stability forming can be carried out on the titanium alloy sheet metal part successfully.

The invention discloses a magnetometer correction method based on ellipsoid fitting. The method comprises the following steps: 1, establishing a magnetometer error model according to the influence ona magnetometer by error; 2, converting the magnetometer error model into a magnetometer ellipsoid error model according to collected magnetometer measured data; 3, calculating parameters in the magnetometer ellipsoid error model, and working out ellipsoid fitting residual; 4, determining a satisfaction interval, and calculating satisfaction value and a satisfaction interval probability, removing denoising points when the satisfaction interval probability is smaller than the satisfaction value, returning the step 3, recalculating the parameters in the magnetometer ellipsoid error model throughremaining data, working out the ellipsoid fitting residual, re-executing the step 4 till the satisfaction interval probability is greater than the satisfaction value, and further working out the ellipsoid fitting error, so as to accomplish magnetometer correction. The method can effectively improve magnetometer correction and compensation precision, and is high in reliability, low in cost, high inprecision and simple in calculation process.

The invention relates to the field of mining equipment, in particular to a punching and drilling integrated type miner. The punching and drilling integrated type miner comprises a shock rod assembly,a drilling pipe assembly, a driving assembly, a transmission rod assembly, a sliding groove frame assembly, a sliding groove seat assembly, a sliding clamping stop frame assembly and a base plate assembly; the driving assembly is fixedly connected to the right side of the top end of the sliding groove frame assembly; the sliding groove frame assembly is fixedly connected to the top end of the baseplate assembly; the driving assembly is connected with the drilling pipe assembly, and the right end of the drilling pipe assembly is fixedly connected to the top end of the base plate assembly; theleft end of the drilling pipe assembly is in rotatable fit connection with the inner side of the shock rod assembly; and the driving assembly is connected with the transmission rod assembly, the transmission rod assembly is connected with the sliding groove frame assembly, and the sliding groove frame assembly is connected with the sliding clamping stop frame assembly. According to the punching and drilling integrated type miner, the shock rod assembly and the drilling pipe assembly are arranged in the punching and drilling integrated type miner, the drilling pipe assembly is arranged on the inner side of the shock rod assembly, so that a coal mine is subjected to efficient crushing under the action of continuous drilling and continuous impact, the cooperative effect is good, and the operation efficiency is high.

The invention discloses a method for utilizing thin-layer interference amplitude recovery to identify an oil and gas reservoir. The method comprises a step of: 1) establishing wave impedance models of a reservoir under different conditions, carrying out forward modeling, and finding out the relation between an event time thickness and an amplitude value; 2) tracking a seismic reflection event which can best reflect the target reservoir, and extracting a horizon amplitude plane graph, superposing the horizon amplitude plane graph with a construction drawing, and identifying a target trap; 3) tracking two up-down adjacent seismic reflection events in the target trap; 4) according to three obtained seismic interpretation horizons, calculating the event time thickness; 5) according to the relation between the event time thickness and the amplitude value, obtaining a seismic amplitude plane graph; and 6) subtracting the seismic amplitude plane graph obtained in the step 5) from the seismic amplitude plane graph obtained in the step 2), obtaining an amplitude attribute map after amplitude recovery, and judging whether the target trap contains the oil and gas reservoir on the map. By adopting the method, the interference of the reservoir thickness to the oil and gas reservoir identification is effectively reduced, and the oil and gas reservoir can be identified more effectively.

A system and method for displaying seat inventory at a venue and facilitating planning of ticket prices for events at the venue is presented. Methods to predict total revenue for an event are described. Also presented are systems and methods for determining at what price and when to release so-called ‘flex’ price tickets during an on-sale using the sales velocity and sales / inquiry ratios. Determining demand of seats from secondary markets is also described with methods to use the demand for either re-pricing the seats in the primary market or presenting ‘best value’ seats to a prospective purchaser. Outputted tickets can be used to initiate entry processes to a gate structure of a venue by unlocking the gate structure or denying access through the gate structure of an invalid outputted ticket.

The invention discloses a madecassoside liposomal gel for local external application and a preparation method thereof. The liposomal gel is mainly prepared from a madecassoside liposomal, a gel and ultrapure water, wherein the liposomal is provided with a bilayer structure; madecassoside is encapsulated into the liposomal; the mass of the madecassoside liposomal accounts for 1 to 60 percent of thetotal mass of the liposomal gel, and the mass of the gel accounts for 1 to 30 percent of the total mass of the liposomal gel. The liposomal gel has the characteristic of a semi-solid gel state, the drug has a better fitting effect on a wound, the administration time is ensured, a better drug delayed release effect is achieved, a better antisepsis and anti-inflammation effect is achieved, and themadecassoside liposomal gel is beneficial for healing the wound and has no stimulation on skins so as to be high efficient and safe; the liposomal can be promoted to effectively permeate through the skins, so that more madecassoside components can stay in a corium layer, and a drug effect is more remarkable. The madecassoside liposomal gel can be used as an excellent slow release preparation for repairing scars and promoting wound healing.

The invention discloses a high-voltage ignition relay which mainly consists of an ignition power supply switching circuit, a safety unlocking and ignition control circuit, a boosted circuit, a high-voltage energy storage circuit and a high-voltage pulse current switching circuit. The ignition power supply switching circuit, the boosted circuit, the high-voltage energy storage circuit and the high-voltage pulse current switching circuit are sequentially connected; an input end of the safety unlocking and ignition control circuit is connected with an externally input ignition power supply input signal; a control end of the safety unlocking and ignition control circuit is connected with a superior controller; a power switch drive output end of the safety unlocking and ignition control circuit is connected with a control end of the ignition power supply switching circuit; an ignition switch drive output end of the safety unlocking and ignition control circuit is connected with a control end of the high-voltage pulse current switching circuit. According to the high-voltage ignition relay, the safety of an ignition device can be improved, the sensitivity of an ignition system is reduced, and the high-voltage ignition relay has the characteristics of high operating reliability, small size, light weight and the like.

A method of characterising an LED, as well as an integrated circuit using this method, based on a so-called characteristic resistance, in which the LED is operated at a first, relatively low, operating current and then at a second, relatively high, operating current. From the ratio between the difference between the forward voltages at these two operating currents, and the difference between the operating current, the characteristic resistance is determined. The characteristic resistance is measured at two or more moments during the operational lifetime of the device, and a prediction or estimate is made in relation to the total operational lifetime of the devices, from the evolution or change of the characteristic resistance.

The invention belongs to the technical field of aluminum foil calendering manufacturing, and discloses a high-strength material for flexible connection of a new energy power battery and a manufacturing method of the high-strength material. The material comprises the following components of, in percentage by mass, 0.20%-0.30% of Si, 0.40%-0.60% of Fe, 0.08%-0.12% of Cu, 1.05%-1.20% of Mn, smaller than or equal to 0.05% of Zn, smaller than or equal to 0.03% of Ti and the balance Al; and the technological process comprises the steps of smelting, cast rolling, rough rolling, intermediate homogenizing annealing, intermediate rolling trimming, finished product finish rolling, withdrawal and straightening cleaning, slitting, finished product annealing and the like. The product and the method havethe advantages of being high in strength, good in forming plasticity, good in model and surface end surface quality and good in flexible electric conduction effect, and the problem of poor conductivity of a battery pack caused by looseness and breakage of a fastener due to vibration in the running process of an automobile can be solved.

The present invention relates to the field of stem cells. More specifically, the invention provides methods and compositions useful for forming three-dimensional human retinal tissue in vitro. In a specific embodiment, an in vitro method for differentiating hiPSCs into three-dimensional retinal tissue comprising functional photoreceptors comprises the steps of (a) culturing the hiPSCs to form aggregates; (b) transitioning the aggregates into a neural induction medium; (c) seeding the aggregates on to extracellular matrix coated cell culture substrates; (d) replacing NIM with a chemically-defined differentiation medium; (e) detaching NR domains; (f) culturing in suspension; and (g) adding animal serum or plasma component and retinoic acid.

The invention discloses a stratigraphic correlation method. The stratigraphic correlation method includes the steps that a, hierarchical processing is performed on two wells to be compared according to the form and the degree of a well logging curve, and each well is divided into a plurality of well layers; b, each hierarchically processed well layer is fitted through a cloud expectation curve, a plurality of cloud models are obtained through fitting, numerical characteristics of all the cloud models are calculated, and an appropriate cloud model to be used for comparison is selected; c, the appropriate cloud model is selected from the step b, similarity measurement based on Euclidean distance and similarity measurement based on trust level cloud are performed, and a similarity measurement value is obtained through calculation; d, stratigraphic correlation is completed according to the similarity measurement value obtained in the step c. According to the method, the characteristics of well logging data are fully utilized, the recognition accuracy is improved to a great extent, and stratigraphic correlation work can be carried out in production practice.

The invention discloses an eight-unit L-shaped subarray application method and an application device based on modularization. The method comprises the steps: eight eight-unit L-shaped subarrays are selected, and the eight eight-unit L-shaped subarrays can realize 8*8 square modules with different internal splicing structures and same outlines; a plurality of 8*8 square modules are formed; 20 kinds of 8*8 square modules made of the random-distributed L-shaped subarrays are selected from a plurality of 8*8 square modules and serve as a module selectable set; in the module selectable set, a plurality of 8*8 square modules are randomly selected, and the selected modules are spliced into a target antenna array; according to an array antenna far-field pattern superposition principle, a target antenna array pattern assessment array organizing method is calculated, if the performance of the target antenna array pattern is suitable for index requirements, the splicing process is finished, otherwise, another splicing method is reselected until the respliced target antenna array satisfies the index requirements. The invention also discloses the device corresponding to the method.

The invention relates to a smelting casting type manufacturing method for through-flow turbine guide vanes, in particular to a manufacturing process for high-requirement and high-performance through-flow turbine moveable guide vanes, and particularly discloses an manufacturing method for through-flow turbine continuous variable cross-section (fan-shaped) movable guide vanes through electroslag smelting casting, which can solve the technical problem that continuous variable cross-section castings cannot be produced by adopting the existing electroslag smelting casting. In order to solve the technical problem, the invention provides an electroslag smelting casting process design method and a manufacturing method for continuous variable cross-section castings, and an electroslag smelting casting process method for a through-flow hydrogenerator moveable guide vane, the cross section of the guide vane produced by adopting the electroslag smelting casting technology is continuously variable during the smelting casting process . The performance index of the moveable guide vane of the through-flow hydrogenerator, produced by the electroslag smelting casting technology is greatly improved as compared with that of the guide vane produced by the current manufacturing method. The through-flow hydrogenerator moveable guide vane is produced by the electroslag smelting casting technology instead of sand mould casting, so the utilization ratio of materials is increased by more than 20%.

The invention relates to a structural abnormality detection method based on consistent data replacement under incomplete data, which comprises the following steps: firstly, carrying out collection on a structural response by utilizing a plurality of sensors, wherein certain sensors become invalid, thereby, obtaining response signals containing the incomplete data; then, carrying out denoising processing on all the collected signals; subsequently, carrying out complete processing on the incomplete data in the signals by utilizing a consistent data replacement method; and finally, decomposing the completely processed data by utilizing a small wave to realize structural abnormality detection. The method is capable of well processing multiple-degree of freedom, non-free vibration, nonlinear, unsteady and incomplete response signals, can be used for signal processing in the field of civil engineering, aerospace, automatic control, mechanical engineering, bridge engineering, hydraulic engineering and the like, and has the characteristics of improving the anti-jamming capability of the data and improving the structural abnormality detection accuracy under the incomplete data.

The invention discloses a protective film bonding device. The protective film bonding device comprises a bearing platform, a pressing plate and first vacuum generating devices, wherein the bearing platform is used for placing a base plate to be bonded a film; the pressing plate is arranged in the opposite direction with the bearing platform and is arranged above the bearing platform, and the pressing plate comprises a plurality of first slots allowing air passing through arranged on the surface, facing the bearing platform, of the pressing plate, a first passage communicating with all the first slots and first air inlet holes, and the first air inlet holes and the first slots are on different surfaces of the pressing plate; and the first vacuum generating devices communicate with the firstair inlet holes and are used for generating vacuum suction force to adsorb the protective film on the surface of the pressing plate, and the bearing platform and the pressing plate can be close to each other to bond the protective film on the surface of the base plate. The invention further discloses a protective film bonding method. By means of the protective film bonding device and method, thegeneration probability of bubbles in the bonding process is reduced, the accurate bonding of the protective film is realized, pressure and break marks generated in the process of film bonding are alsoavoided, the situation that a product film layer is punctured by particles is also avoided, and the bonding requirements of strip-shaped and sheet-shaped protective films can be well met at the sametime.

The invention belongs to the technical field of medical products, and particularly relates to a medical thermo-sensitive hydrogel dressing and a preparation method thereof. The medical thermo-sensitive hydrogel dressing comprises the following raw materials by weight: 2 to 3 percent of chitosan, 6 to 9 percent of hydroxypropyl methyl cellulose, 50 to 60 percent of glycerin, 1 to 2 percent of acetic acid, 0.5 to 1 percent of sodium carbonate, and the balance of water. The medical thermo-sensitive hydrogel dressing is liquid in storage state at room temperature, can cover a whole wound surface in a spraying manner and then jellify, and is high in plasticity and fitting property, similar to skin in modulus of elasticity, low in secondary harm possibility, suitable for trauma wounds of any shape and various types, and excellent in bacterium resisting and repairing effects on the wounds.