614results about How to "Highly consistent" patented technology

The invention relates to an AUV navigation method based on sonar-assisted autonomous navigation, belongs to the technical field of seabed detection, and mainly solves the problem that the ideal detection track of a conventional mapping system is different from an actual value. According to the method, by utilizing an strategy that iSAM (incremental Smoothing and Mapping) algorithm runs at a constant term step number, an object region is partitioned, so that AUV at a local mapping region makes an intelligentized decision on choices of going on exploring unknown regions or performing return visit on the previous seabed environment, two competition appeals about seabed navigation performance and object-region covering rate are both considered, and a feasible plan is provided for solving the key technology problem about position error accumulation when seabed kinetic observation is performed.

The invention relates to the field of medical imaging and discloses an imaging method and device. The imaging device comprises an acquiring unit for acquiring images, a determining unit, a height adjusting unit and an imaging unit for executing imaging scanning, wherein the determining unit is used for determining the linear relation between the bed board height in the images and the moving distance of a bed board in the length direction of the bed board; the height adjusting unit is used for adjusting the bed board according to the linear relation, so that the surface of the adjusted bed board meets the linear relation. The imaging method and device can compensate the difference between the bed board sinkage in different imaging modes and facilitate image fusion.

The invention relates to a formation method of a device isolation area. The method comprises the following steps: a silicon substrate comprising a peripheral circuit area and a storage unit area is provided; a pad oxide layer and a silicon nitride layer are formed on the silicon substrate in sequence; the pad oxide layer, the silicon nitride layer and the silicon substrate are etched to form a groove; an insulating oxide layer is formed on the silicon nitride layer, and the insulating oxide layer is filled into the groove; the insulating oxide layer is grounded until the silicon nitride layer is exposed; photoresist is formed on the peripheral circuit area; the photoresist is taken as a mask, the insulating oxide layer in the storage unit area is etched until the height is coincident with the height of the insulating oxide layer in the peripheral circuit area; the photoresist, the silicon nitride layer and the pad silicon oxide layer are removed, so as to form a shallow groove isolation structure. The height of shallow groove isolation structure of the storage unit is reduced through the said steps, the phenomenon that the shallow groove isolation structure of the storage unit area generates excessive grinding is avoided during the subsequent planarization process of the polysilicon layer, and the phenomenon that the residues of the polysilicon layer is generated during the etching process of the subsequent word line of the storage unit to result in the word line short circuit is also avoided.

The invention discloses a liquid crystal spliced screen, a correcting method thereof and a liquid crystal display device. The liquid crystal spliced screen comprises a plurality of liquid crystal display devices, wherein each liquid crystal display device comprises a liquid crystal display panel and a driving circuit for controlling the display of the liquid crystal display panel, and each driving circuit comprises an adjusting device in which display parameters are stored; and the display parameters of the adjusting devices of at least two liquid crystal display devices in the plurality of liquid crystal display devices are different. According to the invention, the design difficulty and the cost can be reduced.

The invention relates to a low-floor-surface straddle type two-shaft one-rail bogie comprising a framework, two traction motors and two sets of travelling wheels. The framework is provided with a middle beam, two side beams and end beams located at the two ends. From the train operation direction, the framework is in an inverted-U shape to be arranged on rail beams in a straddle mode, the two sides of the middle of the formwork are provided with L-shaped cantilevers extending downwards, and secondary damping springs are mounted on the cantilevers. The two traction motors are arranged at the front end and the rear end of the formwork correspondingly, the two sets of travelling wheels are arranged on the front side and the rear side of the middle of the formwork correspondingly, the traction motors drive the travelling wheels on the corresponding sides to rotate through gear boxes correspondingly, and the two gear boxes are located on the same side of the formwork. According to the low-floor-surface straddle type two-shaft one-rail bogie comprising a framework, the two gear boxes are arranged on the same side of the formwork, and the other side of the bogie reserves a large space so that the floor surface of the position of a vehicle can be lower.

A design method for a glass Fresnel lens mould is characterized in that the conformity of contour line heights of edge teeth are ensured through changing widths or heights of the edge teeth having different distances to a center of the glass Fresnel lens mould, that is, the heights of the edge teeth closed to the center and close to edges of the glass Fresnel lens mould are basically same, so that the thicknesses of outer wall contour lines of the glass Fresnel lens mould represent the basically uniform state, that is, the uniformity of outer wall contour line thicknesses of the glass Fresnel lens mould are basically ensured. Therefore, necessary conditions are provided for the smooth realization of running water cooling of the mould and the technological requirement for uniform glass stress distribution.

The invention discloses a clamping and turning device. One ends of two first rod bodies are connected with two ends of a first plate and a second plate through linkage units respectively; while the other end of the first rod bodies are connected with a third rod body; and the third rod body balances rotating angles of the two first rod bodies and the two linkage units, so that the height at the two ends of the first plate and the second plate is kept consistent. One ends of two second rod bodies are connected with the first plate and the second plate respectively, while the other ends of the two second rod bodies are connected with a fourth rod body; and when the fourth rod body rotates, the second rod body is driven to turn the first plate and the second plate. Therefore, two pressing plates can be synchronously opened, closed or turned, while the convenience of the clamping and turning device is favorably improved.

The method comprises: using a bar stock saw automatically-adaptive lay- off system. The method comprises: a horizontal AC servo drive system is used for realizing the rod feed; a highly-accurate photoelectric encoder is used to detect the amount of fed rod; a grating shifting sensor is used to detect the height value of front end of the rod; a vertical AC servo drive system is used to adjust the height of the rear end of the rod to keep the consistency between the front end and the rear end of the rod; a highly-accurate weight sensor is used to weigh the actual weight G of the rod and to compare the actual weight of rod with the reset value, and according to the difference Delta G to adjust the cutting length.

A method of making a transparency is provided, the method comprising the steps of: layering at least two pieces of transparent thermoplastic, wherein a portion of at least one of the pieces of transparent thermoplastic is treated with a near infrared absorbing material; and, fusing the layered pieces of transparent thermoplastic together using a heat source to form an optically transparent and undistorted transparency. There is also provided a transparency comprising at least two layers of transparent thermoplastic, wherein the layers of transparent thermoplastic have been fused together using a heat source, such that the transparency is optically transparent and undistorted.

The invention provides a manufacturing method of copper-copper bonding salient points. The surface roughness of a copper cylinder is effectively reduced, the surface evenness of the micro salient points is improved, meanwhile, the consistency of the heights of the micro salient points in different areas of a wafer is guaranteed, and the requirements of a copper-copper bonding technology for the surface smoothness are met. The manufacturing method is characterized by including the following steps: (1) manufacturing an adhesion layer and a seed layer on the surface of the wafer, (2) depositing a copper layer on the surface of the wafer, (3) processing the copper layer on the surface of the wafer, and improving the surface roughness and the surface evenness of copper; (4) imaging the copper layer with a photolithography technique, (5) removing copper outside the positions of the micro salient points, and forming micro salient point structures on the wafer, (6) removing adhesion layer materials outside micro salient point areas of the surface of the wafer, and forming electrical isolation micro salient point structures, and (7) removing photoresist on the surface of the wafer, and obtaining the micro salient point structures with the even heights and the flat and smooth surfaces.

The invention discloses a PDC drill tool with an alternating cutting trajectory, and belongs to the field of rock breaking tools for drilling equipment. The PDC drill tool with the alternating cutting trajectory comprises an eccentric shaft, an outer shell, a PDC drill and a cycloid shaft. The PDC drill is fixedly connected to the cycloid shaft, the cycloid shaft is matched inside the outer shell and can eccentrically rotate relative to the alternating trajectory, and an eccentric shaft section arranged on the eccentric shaft is matched in an inner cavity of the cycloid shaft to form a revolute pair. An inner flow channel of the eccentric shaft, an inner flow channel of the cycloid shaft and an inner flow channel of the PDC drill are communicated. By the adoption of the PDC drill tool, the alternating cutting trajectory movement can be made, the stratum eating-in capacity of the PDC drill can be improved remarkably, rock breaking efficiency is improved, the abrasion speed of cutting teeth can be better lowered, and in particular, the PDC drill tool has obvious technical advantages in a deep stratum which cannot be drilled easily and in a high hardness and high abrasiveness stratum.

The invention discloses petroleum asphalt coiled material laying equipment. The structure of the petroleum asphalt coiled material laying equipment comprises a material placing box cover, a controller, a workbench, hand pushing rods, a coiled material petroleum asphalt laying device, directional casters, a dustproof cover and a cutting device; a petroleum asphalt coiled material is placed on a coiled material assembling mechanism; when the coiled material slides off to the bottom of a supporting carriage, a static contact and a movable contact are closed to form a loop so that a motor is electrified to work; and a second bevel gear arranged at the left end of the motor is engaged with a No. 2 gear; therefore, the coiled material can be gradually unwound and the coiled material is laid on the ground by using a first flattening roller; the petroleum asphalt laid on the ground is softened by using a petroleum asphalt coiled material softening mechanism; the softened petroleum asphalt is pressed on the ground by using a flattening mechanism so that the bonding degree of the petroleum asphalt and the ground is enhanced; and then the petroleum asphalt laid on the ground is rolled by using a second flattening roller so that the laying height of the petroleum asphalt is consistent and a flat effect is achieved.

The production method of millimetric wave voltage-controlled phase shifter belongs to the field of microelectronic solid device production technology, and is characterized by that it uses the semifinished product of said invented product, i.e. processed substrate whose surface has etched strip pattern containing grounding conductor strip, signal wire and connecting terminal and on the signal wirethe silicon nitride layer is grown as raw material, adopts prepared thermoprene negative photoresist as sacrificial layer and photoresist coating technology to make 20-30-odd metal microbridges whichare arranged regularly and whose height is uniform and width is identical on the semi-finished product. It possesses excellent electric performance, can be used as millimetric wave voltage-controlledphase shifter.

A wafer-level packaging structure and packaging method, wherein the wafer-level packaging method includes: providing a wafer to be packaged, a plurality of discrete pads are formed on the surface of the wafer; forming conductive contour columns on the surface of the pads ; Form bumps on the surface of the contour column. The wafer-level packaging method provided by the invention has a simple process, and the wafer-level packaging structure provided by the invention has high packaging quality.

The invention discloses a corrugated spiral plate heat exchanger which comprises a dual-spiral heat exchanger in a shell, wherein the dual-spiral heat exchanger is formed by rolling a flat steel plate and a corrugated steel plate; the corrugated steel plate is provided with a non-corrugated spacing column welding zone; spacing columns are welded on the positive surface and negative surface of the spacing column welding zone; and the spacing column welding zone is a non-corrugated ribbon along the length direction of the corrugated steel plate. The heat exchanger has the advantages of simple structure, large heat exchange area and high heat exchange efficiency.

The invention relates to a jacket lifting and binding process. The jacket lifting and binding process comprises the following steps in sequence: a crane ship is positioned in the field; a barge leans against a wharf on the left side of the crane ship; mechanical equipment of each part is checked to determine good conditions; two main hooks are loosened, and steel wire ropes are respectively hung to corresponding lifting hooks; O-shaped lifting belts are manually mounted; constructors connect the steel wire ropes on the main lifting hooks with shackles for the lifting belts in sequence; hook hanging persons use iron rods for knocking on conduction parts of the lifting belts, so that the lifting belts are firmly bound with steel pipes at lifting point parts; after the hanging persons check each lifting point normally, the main hooks are continuously lifted up to reach a preset height; an anchor system of the crane ship is twisted to shift the ship; and a jacket is shifted above the barge, and is loosened to fall on the barge. The jacket lifting and binding process has the following advantages: lifting equipment adopts a floating crane; connecting devices adopt the O-shaped lifting belts, the steel wire ropes and the shackles; the materials are simple; the lifting is stable; and the jacket is vertically lifted, and is vertically mounted on the barge without needing such operations as turning, so that the operation is simple and easy.

The invention discloses a hand-push type hedge shearing machine which comprises a cart, a liftable bearing frame, a gasoline engine, a reduction gearbox and fixed bearing frames. The liftable bearing frame comprises two vertical steel pipes and a cross beam connected to the tops of the vertical steel pipes, the vertical steel pipes are respectively inserted in two steel pipes of the fixed bearing frames, one end of the cross beam is connected with an angle adjusting device through an overhanging beam and connected with a power switching box through the angle adjusting device, a hedge cutter is assembled on one side of the power switching box, the other side of the power switching box is communicated with the reduction gearbox through a flexible wire shaft, and the reduction gearbox is connected to a gasoline engine; in addition, a height adjusting mechanism is mounted on one fixed bearing frame spaced away from the overhanging beam. The hand-push type hedge shearing machine is simple and compact in structure, flexible and convenient to adjust and labor saving and quick in operation; hedges are good in smoothness after shearing and clearly contoured.

The invention discloses a thermal insulation filler, a thermal insulation building block as well as a manufacturing method of the thermal insulation building block. The thermal insulation filler is prepared by mixing the following components in percentage by weight: 30-38 percent of fly ash, 52-58 percent of early-strength double-fast cement, 1.8-2.1 percent of foaming agent, 1.7-2.2 percent of foam stabilizer and 6.2-8 percent of water repellent; wherein the foaming agent is one or more of lauryl sodium sulfate, sodium bicarbonate or dichlorotetrafluoroethane; the foam stabilizer is one or more of rigid polyurethane foams, polyacrylamide or sodium dodecyl benzene sulfonate; and the water repellent is one or more of methyl polyhydrosiloxane, paraffin or magnesium stearate. The thermal insulation filler has filling density lower than 200kg/m<3>, heat conductivity coefficient lower than 0.06w/m.k and combustion performance reaching grade A in a filling carrier. The thermal insulation fillers can be fully bonded with the inner wall of a filler carrier after being subjected to foaming and has difficult shedding.

The invention belongs to the field of bed board processing machines, and particularly relates to a bed board surface processing machine. The bed board surface processing machine is characterized in that a worm gear is mounted on a first rotary shaft, one end of a worm is engaged with the worm gear, spray gun cylinders are mounted on a slide rail and connected with spray guns, push plate cylinders are mounted on a base, the piston rods of the push plate cylinders are connected with push plates, first retractable parts, second retractable parts and springs are located in holder through holes, the springs are clamped between the first retractable parts and the second retractable parts, a first retractable head is mounted on one end of each first retractable part, the first retractable heads are located outside the holder through holes, a second retractable head is mounted on one end of each second retractable part, the second retractable heads are located outside the holder through holes, and the first retractable heads and the second retractable heads are located over the push plates.

The invention relates to an anti-pilling finishing method of large needle gage loop-raised fabric. The anti-pilling finishing method comprises following steps: (1) galling processing, used for pulling fluff out of fiber yarn; (2) carding processing, used for carding the fluff to be vertical; and (3) shearing processing, used for removing the float fluff obtained via carding. The anti-pilling finishing method is capable of improving anti-pilling performance of large needle gage loop-raised fabric to half to one grade. The anti-pilling finishing method is simple; original style of the processed fabric is not changed; and no extra processing process is increased.

The invention discloses an end thrust bearing for submersible motor in well, comprising a disk bearing support with a chucking lug and a concave spherical surface in the center of the bottom, a gap block consisting of a plurality of independent multipart bearing slide blocks, and a bearing disk fixed on the disk bearing support, wherein, the bearing disk is provided with a center hole, a limited post I with a groove I arranged on the inner circle edge, a limited post II with a groove II arranged on the outer circle edge, a positioning stud limiting the position of the multipart bearing slide block, and a spherical crown convex hall; the two surfaces of the multipart bearing slide block are smooth, and the big and small circular arc edges are provided with a flange. When the invention is installed, the big and the small circular arc edges are respectively embedded into the groove II and the groove I and then locked after being limited by the positioning stud, and each slide block is in a flexible and nondeciduous state. Therefore, the shape and the structure as well as the way of installation of the multipart bearing slide block are improved, the thickness of the multipart bearing slide block is greatly increased, the intensity and the surface finish quality are greatly improved, and the full contact of the multipart bearing with a trust disk is guaranteed. With good carrying capacity, abrasive resistance and simple structure, the friction plane is easy to be processed and the manufacturing accuracy is easy to be guaranteed.