333results about How to "Avoid weakening" patented technology

A method for manufacturing a three-dimensional object by successively solidifying layers of a building material at positions in the respective layer corresponding to the cross-section of the object is provided, wherein at least a partial region of a layer is solidified such that a pattern is generated, which pattern contains a plurality of substantially parallel solidification lines (V, S), and at least a partial region of a subsequent layer is exposed such that a pattern is generated, which pattern contains a plurality of substantially parallel solidification lines (V, S) that are rotated with respect to the solidification lines of the pattern of the previous layer by an angle (α) that differs from 180°, 90° and 45°.

The invention discloses an embedded guidance device of autonomous vehicle in automated transportation and an intelligent composite guidance method thereof, belonging to the field of autonomous vehicle guidance. An image processor, a master controller, a motion controller and an interface controller of the device of the invention are all connected to a CAN bus via an isolation transceiver, the device further comprises a picture pick-up system, an encoder, a memory, a driving system, a human-machine interface and the like. The composite guidance method thereof comprises network path traveling guidance based on radio frequency identification and single path tracking guidance based on visual identification, the former accomplishes path choice and junction turning of vehicle at intersections with multiple marked lines, the latter accomplishes precise movement of vehicle along guidance marked lines and precise location thereof at stop signs. The invention enriches acquiring ways of guidance information, improves processing speed of guidance information and enhances intelligent service ability of autonomous vehicle.

The invention discloses an assembly type wood frame structure beam-column joint with a sleeve. The assembly type wood frame structure beam-column joint comprises an upper wood column, a lower wood column, wood beams, a sleeve joint and reinforcing corner pieces. A middle vertical inserting groove is formed in the end of each wood beam. A cross-shaped inserting groove is formed in the upper end of the lower wood column, and a cross-shaped inserting groove is formed in the lower end of the upper wood column. The sleeve joint is provided with a column sleeve; a cross-shaped sleeve longitudinal rib plate and a sleeve middle transverse partition plate are arranged in the column sleeve; and wing type sleeve connecting plates are arranged outside the column sleeve. The column sleeve is arranged at the upper end of the lower wood column in a sleeving mode; the lower end of the upper wood column is inserted into the column sleeve; the ends of the wood beams are inserted into the wing type sleeve connecting plates; and the upper side and the lower side of each wood beam are each provided with a reinforcing corner piece. The reinforcing corner pieces, the sleeve joint, the wood beams and the wood columns are connected through bolts. The assembly type wood frame structure beam-column joint is little in wood consumption, low in manufacturing cost, high in connection strength, easy to manufacture, convenient to construct, definite in stress, and beneficial to the population and the application of assembly type wood frame structures.

The invention provides a hematoxylin eosin staining solution, comprising a hematoxylin staining solution and an eosin staining solution, wherein the hematoxylin staining solution comprises hematoxylin, an alumium salt, an oxidizing agent, benzalkonium chloride, an alcohol, a weak acid and water; the eosin staining solution comprises eosin, Biebrich scarlet, flame red B, water and ethanol. The invention also provides a preparation method of the hematoxylin eosin staining solution, and a dyeing method thereof. When the hematoxylin eosin staining solution provided by the invention is used for dyeing slices, the effects of clear background, distinct gradation, good dyeing effect, easy slice reading, not easy fading and convenience for long-term storage can be achieved.

The invention provides a blue phase liquid crystal display device and a production method thereof, relating to the technical field of display. The blue phase liquid crystal display device is used for lowering driving voltage of the blue phase liquid crystal display device. A blue phase liquid crystal display device comprises multiple pixel units which are arranged in a matrix manner, a first substrate and a second substrate which are oppositely arranged as well as a blue phase liquid crystal layer arranged between the first substrate and the second substrate, wherein each pixel unit comprises a first bulge arranged on the first substrate, a pixel electrode covering the first bulge, a second bulge arranged on the second substrate and a common electrode covering the second bulge, the first bulge extends along a first direction, the second bulge extends along a direction opposite to the first direction, the first bulge and the second bulge are arranged in a staggering manner in a second direction, the first direction and the second direction are vertical, and a plane determined by the first direction and the second direction is parallel to the first substrate. The blue phase liquid crystal display device is used for displaying an image.

The invention provides an argillaceous soft rock roadway partition multi-granularity grouting reinforcement method. A corresponding geological state is evaluated according to geological information data of a specific roadway, drilling points of shallow grouting holes and deep grouting holes are designed in the roadway according to the evaluated geological state, along with tunneling of the roadway, the periphery of the roadway is anchored, and a concrete and silica sol spray layer is arranged; the shallow grouting holes are constructed in the sides and a top plate and a bottom plate of the roadway, hole sealing grouting is carried out, the deep grouting holes are constructed in the pre-designed drilling points of the deep grouting holes, hole sealing grouting is carried out, and therefore grout is effectively sealed and reinforced in a deep virgin rock region. Shallow broken region surrounding rock is reinforced, water molecules, air molecules and crack water are prevented from entering a channel of a jet-grouted solid, the anti-deformation capacity and durability are improved, and the problems that after an argillaceous soft rock roadway encounters water, prominent non-linear large deformation, remarkable rheology and disturbance are generated are solved.

The invention relates to a steel pipe concrete frame with prestressing tendons and a construction method thereof. The steel pipe concrete frame with the prestressing tendons is formed by connecting composite columns with composite beams through joints. The composite beams are horizontally arranged among the composite columns. The joints are outer sleeving integral type joints internally filled with self-compacting concrete. The composite columns are sectional-type steel pipe concrete composite columns with built-in profile steel. The composite beams are internal-prestress I-shaped steel pipe concrete composite beams. The prestressing tendons arranged in the composite beams bypass joint outer pipes from upper strengthening annular plates with cavities. The prestressing tendons are positioned through single-hole positioning plates and hole-formed double-hole main positioning plates, form symmetrical curve shapes and achieve tensioning and anchoring at joint end beams. The self-compacting fine stone concrete of the composite beams and self-compacting fine stone concrete of the joint end beams are through and form a whole with the joint outer pipes after curing. The problem that beam-column connecting joints of a novel steel pipe concrete frame with prestressing tendons are complex and liable to damage is solved.

The invention belongs to the technical field of building structure engineering, and relates to a concrete-filled rectangular steel tube column-box girder full-bolt connection node. The concrete-filled rectangular steel tube column-box girder full-bolt connection node comprises a concrete-filled rectangular steel tube column, a box girder, an upper run-through clapboard, a lower run-through clapboard, a lower cover plate, a plurality of high-strength bolts, a plurality of connection plates and two shear plates. The upper run-through clapboard and the lower run-through clapboard penetrate through a concrete-filled rectangular steel tube column wall and are welded with the surrounding of the steel tube column wall of the concrete-filled rectangular steel tube column; the two webs of the box girder are welded together with the groove of the concrete-filled rectangular steel tube column via one shear plate respectively; the upper flange of the box girder is connected with the upper run-through clapboard by the high-strength bolts via the connection plates arranged in the box girder; the two webs of the box girder and the two shear plates are connected by the high-strength bolts via the connection plates arranged in the box girder respectively; and one end of the lower cover plate is connected with the lower flange of the box girder via the connection plate, and the other end of the lower cover plate is connected with the lower flange of the lower run-through clapboard via the connection plate. The invention provides a construction method for the node aforementioned simultaneously. The node and the construction method disclosed by the invention have the advantages of being convenient, fast, and easy to realize.

A laminated magnet array architecture device for gathering oxygen of air through magnetism and a method thereof belongs to gas separation technique field. The device comprises: a laminated magnet array, a magnetic field space, fluid damping layer on opened border of the magnetic field space, a air source, a buffer, a air delivery pipe, an inlet transition section, an outlet transition section, oxygen enriched air delivery pipe, valves, nitrogen enriched air delivery pipe, a shell and an electric heater of oxygen enriched air outlet. The method is that air is injected into a magnetic field space with an opened border and a gradient magnetic field which gradient direction points to inside on the border, when air outflows from the opened border, oxygen molecules of air are constrained in the magnetic field by that the gradient magnetic field acts force on oxygen molecules. The invention has advantages of simple structure, large amount of treated air, low energy consumption, long service life and wide adaptability.

The invention provides a method and a device for rapidly storing and retrieving detailed tickets. By the method and the device, according to frequency of executing write operation, the detailed tickets are divided into files in three states, namely a dynamic detailed ticket file, a standard static detailed ticket file and a pure static detailed ticket file; the dynamic detailed ticket file is stored and retrieved in an address mapping linked list mode; the standard static detailed ticket file is stored and retrieved in a file system mode; and the pure static detailed ticket file is stored and retrieved in a database mode. Different detailed ticket files adopt different storage and retrieval modes, inherent defects and weaknesses of a single storage mode are effectively overcome, and the storage and retrieval efficiency is improved; and therefore, the performance of the system is improved.

The invention discloses a method for removing stripes of an infrared image based on amplitude constraint, comprising the following steps: S1, filtering the original image along a row direction of a pixel array to obtain low-frequency information of the original image; S2, filtering the original image along a row direction of a pixel array to obtain low-frequency information of the original image;2, filtering that original image and the low-frequency information to obtain the high-frequency information of the original image; S3, averaging the high-frequency information along the column direction of the pixel array to obtain the fringe amplitude in the column direction; S4: taking The original image and the fringe amplitude of each column for fringe filtering to obtain the image after the fringe amplitude is suppressed.

The invention discloses local reinforcing equipment for a wind power generator unit foundation ring. The local reinforcing equipment comprises an original reinforced concrete foundation and a local reinforcing device. The local reinforcing device comprises a newly-poured reinforced concrete foundation, inner side steel clamping plate units and outer side steel clamping plate units. The multiple inner side steel clamping plate units are arranged on the inner wall of the upper portion of a foundation ring of the original reinforced concrete foundation in an annular mode, and the multiple outer side steel clamping plate units are arranged on the outer wall of the upper portion of the foundation ring in an annular mode; and the newly-poured reinforced concrete foundation is poured on the original reinforced concrete foundation. According to the local reinforcing equipment for the wind power generator unit foundation ring, loads which are borne by the foundation ring and generated by a draught fan in a running state are dispersedly transmitted through the inner side steel clamping plate units, the outer side steel clamping plate units, connecting steel bars, inner foundation negative bend steel bars and outer foundation negative bend steel bars, stress in the reinforced foundation ring is effectively reduced, fatigue damage to a draught fan foundation is reduced, and the service life period of the reinforced draught fan foundation is greatly prolonged. The invention further discloses a local reinforcing method for the wind power generator unit foundation ring.

The invention relates to a hierarchical pore structure silicon-based negative electrode material for a lithium battery and a preparation method of the hierarchical pore structure silicon-based negative electrode material. The preparation method comprises the following steps: using a waste ultrafine silicon dioxide powder material generated in optical fiber production, firstly performing acid pickling and purification on the silicon dioxide powder, then using a water bath method to disperse the purified silicon dioxide powder into deionized water, adding a silane coupling agent, then adding an acid to the solution, further adding a surfactant, stirring, standing, crystallizing, filtering, drying and calcining the crystal at high temperature to form a modified carrier; adding the modified carrier material to an ethanol solution or deionized water, adding silica powder, stirring and dispersing, filtering and drying to obtain the silicon-based material with a mesoporous structure; then adding the purified silicon dioxide powder to a sodium hydroxide solution, performing high temperature autoclave reaction, adding the silicon-base material with the mesoporous structure and a carbon material to the obtained product, then adding an acid solution, washing, drying and calcining at high temperature, and naturally cooling to obtain the silicon-based negative electrode material with the hierarchical pore structure.

The invention discloses a limit gliding bearing of a large-span space structure, comprising a cubic limit box at the lower part of the bearing, an additional gliding plate arranged in the cubic limit box and a plate bearing arranged on the additional gliding plate, wherein, the cubic limit box is composed of a square base plate, 4 limit stop plates at the periphery of the square base plate and 4 small cover plates which cover the 4 corners of the 4 limit stop plates which are all welded together; the plate bearing is composed of a vertical supporting tube which is welded at the middle part of the base plate and 4 cross-shaped vertical supporting stiffening plates which are welded at the periphery of the vertical supporting tube; clearance size of the square base plate of the cubic limit box is larger than the size of the base plate of the plate bearing, and horizontal slip of the plate bearing is the difference between the clearance size of the cubic limit box and the size of the base plate of the plate bearing. In the invention, the plate bearing is allowed to have relatively large horizontal displacement, thus effectively releasing thermal stress, reducing horizontal thrust of the plate bearing on the lower structure of the limit gliding bearing, effectively reducing use amount of steel and lowering construction cost; meanwhile, in the invention, weakening on the base plate of the limit gliding bearing by opening anchor bolt holes is avoided, the structure is simple and the installation is convenient.

The invention provides a comprehensive protecting and treating method of a water-containing easily-weathered rock bedding slope. The method comprises the following steps that 1, positions of bedding joints, water isolating layers, rock crushing zones and water guide channels are explored and determined on site; 2, steps from the first to the Nth are formed in an exploited manner, a water drainageditch is constructed in the bottom of a slope face, water drainage holes are constructed in the slope face, thus water accumulated in the steps is drained away, and a water intercepting ditch is constructed in the slope top; 3, slurry injecting holes are constructed in the slope face to enable the rock crushing zones to be combined into a whole; 4, mixed clay is used for being laid on the slope top, and then grinding is carried out; 5, short anchoring rods are constructed on the slope face, and the method of full-hole slurry injecting is used for anchoring; and 6, concrete is adopted for carrying out net hanging and slope spraying. According to the method, the stability of the slope is improved fundamentally, contact between easily-weathered rocks and atmosphere, sunlight and water is isolated, weathering damage to slope rock mass is prevented, the strength of the rock mass is given into play, the key effect of the water in slope slippage is eliminated, and long-term stability of the slope is improved.

The invention discloses a three-stage temperature change fermentation method for improving taste of a blade type cigar. The method adopts a processing technology capable of obviously improving the taste and compatibility of the blade type cigar, and the three-stage temperature change fermentation method can be carried out at low moisture, also can realize impurity gas discharge by adjusting the temperature and humidity, manual tobacco leaf turning is not needed, the working environment is improved, and the labor cost is lowered. After the tobacco sheets are subjected to three-stage fermentation, macromolecular substances for converting and degrading the specific smell components of the sun-cured tobacco are realized, the air-drying tobacco smell is weakened, the basic quality of the raw materials is improved, and the characteristic aroma of the tobacco sheets is induced.

The invention provides a heat treatment method for improving the mechanical property of austenitic heat-resistance steel. According to the heat treatment method, the technological step is simple and effective, operation is easy, cost is low, the microstructure of the austenitic heat-resistance steel can be improved, and the mechanical property of austenitic heat-resistance steel is improved. The heat treatment method comprises the following steps that (1) raw materials are prepared according to the alloy component and the burned value and smelted and poured into alloy ingots under the vacuum environment; (2) the alloy ingots are sequentially subjected to homogenization and heat deforming treatment; (3) alloys after heating deforming are subjected to solid solution heat treatment at the temperature of 1200-1260 DEG C for 25-45 min, and then water cooling is conducted till the temperature reaches the indoor temperature; and (4) intermediate temperate short-term aging treatment is conducted, specifically, the alloys after solid solution heat treatment are heated till the temperature is 750-800 DEG C, heat preservation is conducted for 30-60 min, air cooling is conducted till the temperature reaches the indoor temperature, the austenitic heat-resistance steel is obtained, nano-scale Z phases are obtained in crystals, and M23C6 phases are obtained in crystal boundaries.

The embodiment of the invention, which relates to the technical field of computer application, provides an object control method and device. The object control method comprises: carrying out credit scoring on historical data of a monitored object; predicting an abnormal probability of the monitored object; and on the basis of the credit scoring result and the abnormal probability, carrying out control processing on the monitored object. On the basis of credit scoring on the historical data of the monitored object, the abnormal probability of the monitored object is predicted and thus a cheating user can be identified effectively and accurately, so that a problem of low accuracy of cheating user identification in the prior art is solved.

The invention relates to the field of pressure vessels, and aims to provide a pressure vessel door quickly-opened device with a leakage on-line detection function. The device comprises a barrel flange, a cover flange and a locking clamp, wherein the barrel flange is welded with a vessel barrel, the cover flange is welded with a cover, and the locking clamp is used for fixedly connecting the barrel flange and the cover flange; the flange surface of the barrel flange is provided with three circles of grooves which sequentially include a first sealing groove, a gas detecting groove and a second sealing groove from outside to inside, and a lip-type sealing ring is respectively placed in the first sealing groove and the second sealing groove; and the barrel flange is provided with a gas inlet and a medium sensor, wherein the gas inlet is respectively connected to the first sealing groove and the second sealing groove and used for importing sealing gas, and the medium sensor is communicated to the gas detecting groove. The device disclosed by the invention is convenient to assemble and disassemble, saves the cost, prolongs the service life, and ensures the success rate of vessel sealing; the gas detecting groove can detect the gas leakage of the insides of vessels; and the economic loss caused by suddenly stopping the operation of the vessels can be avoided.

The invention discloses a corner detection method based on a non-causal fractional gradient operator, which belongs to the technical field of image processing. According to the invention, non-causal fractional gradient operation of a gray-scale image to be detected is realized through the combination of cause-effect and anti-causal fractional integral and cause-effect and anti-causal fractional differential. The method comprises the steps that an image is read to generate a gray scale matrix f (x, y); non-causal fractional gradients Dx and Dy of f (x, y) in x and y directions are calculated; the product DxDy of the gradient direction is calculated; Gaussian kernel is used to filter DxDy; the corner point intensity is calculated; and non-maximum suppression is carried out to acquire an accurate image corner. According to the invention, the novel algorithm based on non-causal fractional gradient is used to carry out gradient and corner energy operation; the corner detection precision is improved; the method is suitable for the computer vision fields of image registration and matching, image fusion, target recognition and the like.

The invention relates to an elbow pipe (1) for a pipe tract used in the fluidic transport of solids and to a method for producing said pipe. The elbow pipe (1) comprises a double-layer pipe body (2) consisting of an internal elbow pipe (3) and an external elbow pipe (4). A coupling collar (6) is fixed to each end (5) of the pipe body (2). The annular gap (8) between the internal elbow pipe (3) and the external elbow pipe (4) is filled with concrete as the filler (9). The annular gap (8) is filled via a fill opening (10) in the wall (11) of the internal elbow pipe (3), the opening running transversally through said wall and being situated on the inner radius lRi of the internal elbow pipe (3). To fill said gap, centring aids (12, 13) are introduced into the ends of the pipe body (2) and the internal elbow pipe (3) and external elbow pipe (4) are positioned in relation to one another, by the inflation of the centring aids (12, 13). The filling gun (19) of a filling device (20) is then placed against the fill opening (10) in the wall (11) of the internal elbow pipe (3) and the annular gap (8) is filled with the filler (9).

The invention provides a one-side fastening bolt. The one-side fastening bolt comprises a screw and a conical head at one end of the screw; the conical head is integrated with the screw; the screw issequentially provided with a sleeve, a fixing gasket and a nut in a penetrating manner from the conical head end; and the sleeve and the fixing gasket are in clearance fit with the screw, the outer diameter of the sleeve is greater than the inner diameter of the fixing gasket, the sleeve is provided with a plurality of axial openings close to the conical head end, the smaller end of the conical head is clamped into the sleeve, and the outer diameter of the larger end of the conical head is greater than or equal to the inner diameter of the sleeve. On the premise of not reducing the installation speed and the joint strength, the one-side fastening bolt avoids the situation that a traditional method causes opening weakening of a connection section when completing bolt connection of closed-section components; and the one-side fastening bolt has the advantages of being convenient and fast to install, adapting to connection of the closed-section components, reducing the requirement for theout-of-plane height of an inaccessible side, guaranteeing the integrity of the connection section and the like.

The invention relates to a reinforced concrete frame-supporting column, in particular to a frame-supporting column with high strength steel bars and super high strength concrete. The frame-supporting column overcomes defects that axial compression ratio limits of ordinary reinforced concrete frame-supporting columns and steel reinforced concrete frame-supporting columns are low, protective covers fall easily under earthquake force, longitudinal bars and steel flanges are easy to bend, the columns are difficult to repair after an earthquake, and high strength steel bars and super high strength concrete cannot be applied, and defects that node constructions of steel reinforced concrete and steel pipe concrete frame-supporting columns are complex, the steel pipe concrete frame-supporting columns do not constrain concrete fully, and steel pipes are easy to bend. The frame-supporting column comprises longitudinal high strength steel bars, high strength closed stirrups and self-compaction super high strength concrete; and constraints include that stirrup spacing of concrete protective covers in whole concrete ranges from 30mm to 35mm, outer surfaces are aligned to outer surfaces of concrete frame-supporting columns, and the stirrup spacing of longitudinal high strength steel bars is constrained to range from 60 mm to 120 mm. By aid of constraining of closely-matched high strength welding closed stirrups on the whole concrete, mechanical properties of super high strength concrete are improved, anti-seismic properties of the column are improved, and the frame-supporting column has a wide application prospect in high-rise or super high-rise structures.

The invention provides a plant regulator for promoting the healing of jujube girdling cut, pertaining to the technical field of plant growth regulator and being to solve the problems of bad and slow healing effect of the prior consolidant for jujube girdling cut and affecting on jujube fruit quality. The invention comprises 6-benzyl aminopurine of 4.0-8.0 percent, alpha-naphthylacetic acid of 4.0-6.6 percent, synergist of 0.2-0.8 percent and proper amount of sodium hydroxide and hydrochloride. The invention has remarkable effect and enables the girdling cut of the jujube to heal in time and promote the growth of the jujube and is applicable as plant regulator for the healing cut as well as regulator and graft promoter for the healing of cut, hurt and damage of fruit trees and other trees.

The invention provides an organic compound with a specific structure. The organic compound is characterized by being shown as a general formula (I): the formula (I) is shown in the description; in theformula (I), X1 to X8 are respectively independently selected from CR1 or N respectively, wherein at least one is an N atom; L is a single bond and is C5 to C12 substituted or unsubstituted arylene and heteroarylene; R1 is selected from hydrogen, C1 to C10 aryl or cycloalkyl, C6 to C15 aryl or C6 to C19 condensed ring aryl and at least one is azacarbazole; Ar is substituted or unsubstituted N heterophenyl. The invention discloses an inverse intersystem crossing constant and emission delayed fluorescence rule and the designed compound is used for an organic electroluminescent device, can be used for effectively improving the current efficiency and is an organic electroluminescent material with good performance. The invention also provides the organic electroluminescent device adopting thecompound shown as the general formula.