33results about How to "Ensure smooth continuity" patented technology

Embodiments of the present invention disclose a terminal handover method, a communications node, a terminal, a system, and a storage medium. The terminal switching method comprises: a source communications node controlling, according to a measurement result reported by a first D2D terminal and / or information about a second D2D terminal, the first D2D terminal to be handed over to a target communications node.

A non-destructive real-time continuous concrete carbonation depth testing method comprises the following steps: firstly making concrete test block with spherical concave, having drying process after test block curing, sealing all surfaces with the heated paraffin except a bottom surface, placing the test block in a carbonization box, taking the test block out at different days to test the carbonation depth thereof, having groove-catching process upon the segmental paraffin-sealed surface of the test blcok, injecting R alizarin yellow reagent, draining the reagent, after confirming the discolouring interface, selecting the testing points, measuring the chordal distance of each point of the four laterals, calculating the carbonation depth value for each point, taking the mean value as the testing value and drawing the relation curve between the carbonation time and the carbonation depth with the carbonation depths tested at different days to express the development rule of the concrete under the condition. The invention can test the carbonation depth continuously in real time with high precision, which is beneficial for the study of concrete durability.

There is provided a method of generating instructions for manufacturing a microstructure by a manufacturing device, comprising: providing a representation of a freeform tile, providing a representation of a deformation map that maps a parameter space to a space of an object, arranging a plurality of instances of the freeform tile within at least a portion of a domain of the deformation map to create a tile arrangement, creating a representation a microstructure of the object by composing the tile arrangement into the deformation map, and providing code instructions for execution by a manufacturing device controller of a manufacturing device for manufacturing the microstructure.

The invention relates to an image processing method and device for improving visual characteristics of an image. The method comprises the following steps: determining a light source region and an excessively dark region of the image, wherein the brightness of the excessively dark region is lower than that of the light source region, the ratio of the brightness values of the excessively dark region and the light source region is equal to or less than a preset ratio, and the excessively dark region comprises an object region and a shadow region; identifying the object region and the shadow region in the excessively dark region according to the light source region; performing brightness adjustment on the light source region, the object region and the shadow region of the image respectively to enable the visual characteristics of the adjusted image to be superior to the initial visual characteristics of the image, wherein the brightness adjustment range of the shadow region is smaller than that of the object region, so that the smooth continuity of different processing regions is guaranteed while the brightness of the processed image is improved, and the visual characteristics of the image is improved.

The invention relates to a purification method for polymethoxydimethyl ether. The purification method aims at solving the problem that it is difficult to carry out long-term continuous production operation due to the presence of formaldehyde in the process of purifying polymethoxydimethyl ether by means of a rectification method. According to the adopted technical scheme, the purification method includes the following steps that methylal of a reaction equilibrium mixture obtained in a reaction synthesis unit is removed first in a first separation tower to obtain a first tower bottom liquid; the first tower bottom liquid enters a purification kettle to be in contact with a chemical treatment liquid to obtain a purified feed liquid containing PODE2 to PODE8; the purified feed liquid enters asecond rectification tower, a second fraction comprising PODE2, methanol and water is separated out from the top, and a second tower bottom liquid is obtained at the tower bottom; the second fractionenters a third rectification tower, and a third fraction containing methanol and water is separated out from the top of the third rectification tower to obtain a third tower bottom liquid, namely a high-purity PODE2 product; the second tower bottom liquid enters a fourth rectification tower, and a fourth rectification tower product fraction, namely PODE3 to PODE4 or PODE 3 to PODE5, is separatedout from the top of the fourth rectification tower.

The invention discloses an m3u8 format video live broadcasting system and an m3u8 format video live broadcasting method. The system comprises a data collection module, used for collecting rtmp live data; a data storage module, used for splicing live data into ts sliced data, and updating m3u8 index data; a data processing module comprising a retrying module and a caching module, and used for synchronizing the ts sliced data, wherein the cache module is used for caching m3u8 recording index data corresponding to the ts sliced data, and synchronizing the m3u8 recording index data to a cloud center service when the cache preset value is reached; and a data display module, used for distributing the ts sliced data and the m3u8 recording index data to a playing terminal via the cloud center service CDN by the way of an hls protocol mode. The system and the method provided by the invention have the beneficial effects that the problems that during a live broadcasting process, the live video data is prone to loss, the live broadcasting content is incomplete and the live broadcasting is discontinuous are solved, and the smooth continuity of the live broadcasting process and the completenessof the live broadcasting content are maximally ensured.

The technical purpose is to solve the problem that in the process of refining polyformaldehyde dimethyl ether by adopting a distillation method, formaldehyde exists and makes the long-term continuousproduction operation difficult. The method comprises the following steps that a polyformaldehyde dimethyl ether unit is synthesized to obtain a reaction equilibrium mixture, firstly, first distillatemainly comprising methylal is separated and removed to obtain first tower bottom liquid, the first tower bottom liquid flows into a purifying tower from the bottom, and purified tower material liquidcomprising methyl alcohol and PODE2-8 is obtained from the tower top; the purified tower material liquid successively flows into a dehydrating tower, a second rectifying tower and a third rectifying tower, and methyl alcohol-aqueous distillate, a PODE2 product and a PODE3-4 / PODE3-5 product are separately obtained from the tower top.

The invention provides a method for preparing zirconium oxide nanometer fiber through bubble spinning. The method comprises the following concrete steps of at room temperature, firstly, dissolving zirconium salts into a solvent; then, performing mixing and stirring with nanometer particles for inhibiting the growth of zirconium oxide colloidal particles by using a dispersing agent; adding polymers to obtain a bubble spinning solution; inputting the spinning solution into a liquid storage pool of bubble spinning equipment; meanwhile, connecting a positive electrode spinning jet to a high-voltage power supply to perform bubble spinning; obtaining a composite nanometer fiber membrane on a negative electrode receiving plate; performing pre-oxidation in a baking oven; then, putting the composite nanometer fiber membrane into a vacuum box type furnace to be subjected to calcination treatment; then, putting the composite nanometer fiber membrane into a muffle furnace to be subjected to high-temperature calcination; finally obtaining the zirconium oxide nanometer fiber membrane. The method provided by the invention has the advantages that the preparation process is simple; the cost is low; the volume of production is great; the scale mass production can be conveniently realized; meanwhile, good high-temperature-resistant performance is realized; the application prospects are wide.

The technical purpose is to solve the problem that in the process of refining polyformaldehyde dimethyl ether by adopting a distillation method, formaldehyde exists and makes the long-term continuousproduction operation difficult. The method comprises the following steps that a polyformaldehyde dimethyl ether unit is synthesized to obtain a reaction equilibrium mixture, firstly, first distillatemainly comprising methylal is separated and removed to obtain first tower bottom liquid, the first tower bottom liquid flows into a purifying tower from the bottom, and purified tower material liquidcomprising methyl alcohol and PODE2-8 is obtained from the tower top; the purified tower material liquid successively flows into a methyl alcohol removing tower, a second rectifying tower and a thirdrectifying tower, and methyl alcohol distillate, a PODE2 product and a PODE3-4 / PODE3-5 product are separately obtained from the tower top.

The smooth vowel warbling process includes connecting two vowel phonemes serially in the merging order while neglecting the mute between two phonetic data; converting phonetic frequency spectrum parameters in the connected phonetic data into LSF format; taking the last one third phonetic frame of the former vowel and the first one third phonetic frame of the latter vowel as the smooth warbling frame; re-calculating all the phonetic parameters inside the smooth warbling frame via linear interpolation process to obtain new phonetic data after smoothening treatment; merging the new phonetic data with the phonetic data before smoothening treatment and the phonetic data after smoothening treatment to form the warble tone data. The said process has smooth and continuous effect.

The technical problem to be solved by the invention is that it is difficult to carry out long-term continuous production operation caused by the presence of formaldehyde in the process of purifying polyoxymethylene dimethyl ether by a rectification method. The method adopted includes the following steps that a reaction equilibrium mixture is obtained by a reaction synthesis unit, and firstly methylal is removed in a first separation tower to obtain first tower bottoms; the first tower bottoms enter a purification kettle, and is contacted with chemical treatment liquid to obtain purification liquid containing PODE 2-8; the purification liquid enters a second distillation tower, a second fraction comprising methanol and water is separated from the top, and second tower bottoms are obtained in a tower kettle; the second tower bottoms enter a third distillation tower, a high-purity PODE2 product fraction is separated from the top of the third distillation tower, and third tower bottoms areobtained; the third tower bottoms enter a fourth distillation tower, and a fourth distillation tower product fraction is separated from the top of the fourth distillation tower; the fourth distillation tower product fraction is PODE3-4 or PODE3-5.

The invention discloses a magnetic-suspension-type flat knitting machine front movement device. The magnetic-suspension-type flat knitting machine front movement device comprises a needle bed and a flat knitting machine front. The flat knitting machine front comprises an upper machine front body and a lower machine front body which are connected with each other; a machine front support parallel tothe needle bed is arranged over the needle bed, and the two ends of the machine front support are fixed to the needle bed through a machine front installing support; the upper machine front body sleeves the machine front support and horizontally reciprocates in the length direction of the machine front support; the lower machine front body horizontally reciprocates in the length direction of needle plates on the needle bed; electromagnets are arranged on the left side face and the right side face in the upper machine front body, electromagnets and machine front supporting pulleys are arrangedon the upper side face inside the upper machine front body, a permanent magnet array is arranged on the lower side face in the upper machine front body, the polarities of every two adjacent permanentmagnets in the permanent magnet array are opposite, permanent magnets are arranged on the left side face, the right side face and the upper end face of the machine front support, and a linear electromagnet array is arranged on the lower end face of the machine front support. The magnetic-suspension-type flat knitting machine front movement device is not only high in stability but also low in cost.

The invention provides an image quality adjusting method and device and a readable storage medium. The method comprises the steps of enabling a display equipment system to select a focus region of a target image, and outputting a mapping relation curve of an input brightness value and an output brightness value of the target image; and then calculating a pixel input brightness value range of the target image focus region, performing proportional adjustment according to upper and lower edge coefficients of the input brightness value range to obtain new upper and lower edge coefficients, and finally adjusting the target image focus region according to the new upper and lower edge coefficient adjustment mapping relation curve. According to the invention, the image region in which a user is interested is set as the focus region of the target image, and the contrast level of the target image is adjusted by adjusting the order of the linear Bezier curve or the adjustment factors of the upperand lower edge coefficients of the input brightness value range, so that the smoothness of the image brightness adjustment change is ensured; and the consistency of the adjusted image picture is ensured, the contrast level of the specific region of the image picture is improved, and the image quality of the image is more distinct and abundant.

The invention relates to a discretization method and system of angle domain generalized Radon transformation, a terminal and a storage medium. The method comprises the following steps: reading seismic trace data, setting imaging point coordinates of the seismic trace data, and reading travel time, amplitude and direction table of each imaging point coordinate; calculating a scattering angle and a discrete interval; calculating a sampling point theta0 closest to the scattering angle and a partition boundary of the sampling point theta0, calculating a distance l from the scattering angle to the partition boundary thetabound, judging whether the partition boundary thetabound splits a scattering angle discrete surface or not according to the distance l, if so, splitting a discrete unit near the partition boundary thetabound into two units by using a discrete unit splitting algorithm, and if not, splitting the discrete unit near the partition boundary thetabound into two units; calculating the areas of the two split units according to the discrete interval; and respectively using the two split units to calculate imaging accumulation at the sampling point theta0 and at the position of theta0 + / -delta theta. According to the invention, a continuous and smooth angle domain inversion result can be obtained.

The invention provides a real-time image amplification system of a camera. The real-time image amplification system comprises an image acquisition module, an image processing module and a signal synchronization module, wherein the image acquisition module performs oversampling on original image data through a camera sensor to obtain an ultrahigh-resolution original image; the image processing module performs horizontal direction processing and vertical direction processing on the original image according to a specified amplification area to obtain a to-be-displayed image, and outputs and displays the to-be-displayed image; the signal synchronization module acquires timestamps of each frame of the original image, the horizontal direction processing image and the vertical direction processing image, and enables the horizontal direction processing operation and the vertical direction processing operation of the same frame of the original image to be only performed in in the frame-frame interval time of the original image through a synchronization mechanism. The invention further provides a real-time image amplification method of the camera, and image lossless amplification operation is achieved on the premise that low delay of image transmission is guaranteed.

The invention discloses a material taking and placing mechanism in a conveying line system. The material taking and placing mechanism comprises an air cylinder, a crank slider mechanism and a tray. The tray is fixedly mounted at the upper end of the crank slider mechanism which consists of a slider and a crank, the slider and the tray are driven parts, and the air cylinder which is a single-actingcylinder is a driving part. Materials are put in the tray in operation, the tray structure is designed according to material sizes and shapes, the crank slider mechanism is matched with the tray to operate jointly, the surface of the tray is provided with sawteeth to increase friction with the materials, and reliability is improved. In addition, the material taking and placing mechanism is simplein structure and small in occupied space and can be erected on conveying line racks.

The technical problem to be solved in the present invention is the problem that the presence of formaldehyde in the process of purifying polyoxymethylene dimethyl ether by rectification method is difficult for long-term continuous production and operation. The technical solution comprising the following steps is adopted: the reaction equilibrium mixture obtained by the reaction synthesis unit, first Methylal is removed in the first separation tower to obtain the first tower bottom liquid; the first tower bottom liquid enters the purification tank and contacts with the chemical treatment liquid to obtain PODE containing 2～8 Purified feed liquid; Purified feed liquid enters the second rectifying tower, separates the second cut that comprises methanol and water from the top, and the tower still obtains the second tower still liquid; The second tower still liquid enters the third rectifying tower, by The high-purity PODE2 product fraction is separated from the top of the third rectification tower, and the bottom liquid of the third tower is obtained; the bottom liquid of the third tower enters the fourth rectification tower, and the top of the fourth rectification tower separates the fourth rectification tower Product fraction; The fourth rectifying tower product fraction described is PODE 3～4 or PODE 3～5 .

To solve the problem that the presence of formaldehyde in the process of purifying polyoxymethylene dimethyl ether by rectification is difficult for long-term continuous production and operation, a technical solution including the following steps is adopted: the reaction equilibrium mixture obtained by the reaction synthesis unit is firstly processed in the first The separation tower removes the methylal to obtain the first tower still liquid; the first tower still liquid enters the purification tank and contacts with the chemical treatment liquid to obtain PODE containing 2～8 Purified feed liquid; Purified feed liquid enters the second rectifying tower, separates the second cut that comprises PODE2, methyl alcohol and water from the top, and the tower still obtains the second tower bottom liquid; The second cut enters the third rectifying tower, by The third fraction containing methanol and water is separated from the top of the third rectifying tower to obtain the third tower still liquid, which is a high-purity PODE2 product; the second tower still liquid enters the fourth rectifying tower, and the fourth rectifying tower The fourth rectifying tower product cut is separated at the top of the tower; the fourth rectifying tower product cut is PODE 3～4 or PODE 3～5 .

The present disclosure relates to an image processing method and device, which are used to improve the visualized visual characteristics of an image. The method includes: determining a light source area and an over-dark area of ​​the image, the brightness of the over-dark area is lower than that of the light source area, and the ratio of the brightness values ​​of the over-dark area to the light source area is equal to or smaller than a preset ratio, The over-dark area includes an object area and a shadow area; identifying the object area and the shadow area in the over-dark area according to the light source area; and adjusting the brightness of the light source area, the object area, and the shadow area of ​​the image, so that The visual visual characteristics of the adjusted image are better than the initial visual visual characteristics of the image, wherein the brightness adjustment range of the shadow area is smaller than the brightness adjustment range of the object area, so that the brightness of the processed image is improved while ensuring The smooth coherence between different processing regions is improved, and the visual visual characteristics of the image are improved.

The invention relates to a method for separating polyoxymethylene dimethyl ether. The technical problems that in the separation process of formaldehyde, pipelines are prone to being blocked, and intermediate products are prone to being recycled are mainly solved. The method comprises the following steps: a) a to-be-separated material containing DMM, formaldehyde and PODE2-6 firstly enters a firstrectifying tower, a first light fraction is obtained at the top of the tower, and a first tower bottom liquid containing formaldehyde and PODE2-6 is obtained at the bottom of the tower; b) the first tower bottom liquid enters a catalytic distillation tower, a second light fraction is obtained from the top of the catalytic distillation tower, a material is extracted from the side line above the third section of the catalytic distillation tower, and catalytic distillation tower bottom liquid is obtained from the tower bottom; and the second light fraction is returned to the rectifying tower fromthe feeding hole through a circulating pump; and c) the catalytic distillation tower bottom liquid is fed into a product tower, and the PODE3-4 or PODE3-5 product is extracted from the tower top, sothat the problem is well solved, the yield of the target product is improved, and the method can be used for industrial polyoxymethylene dimethyl ether separation.

The invention discloses a magnetic-suspension-type flat knitting machine front movement device. The magnetic-suspension-type flat knitting machine front movement device comprises a needle bed and a flat knitting machine front. The flat knitting machine front comprises an upper machine front body and a lower machine front body which are connected with each other; a machine front support parallel tothe needle bed is arranged over the needle bed, and the two ends of the machine front support are fixed to the needle bed through a machine front installing support; the upper machine front body sleeves the machine front support and horizontally reciprocates in the length direction of the machine front support; the lower machine front body horizontally reciprocates in the length direction of needle plates on the needle bed; electromagnets are arranged on the left side face and the right side face in the upper machine front body, electromagnets and machine front supporting pulleys are arrangedon the upper side face inside the upper machine front body, a permanent magnet array is arranged on the lower side face in the upper machine front body, the polarities of every two adjacent permanentmagnets in the permanent magnet array are opposite, permanent magnets are arranged on the left side face, the right side face and the upper end face of the machine front support, and a linear electromagnet array is arranged on the lower end face of the machine front support. The magnetic-suspension-type flat knitting machine front movement device is not only high in stability but also low in cost.

The invention discloses a drainage device for effusion in cardiovascular medicine, which comprises a fixed frame and a drainage bottle. The drainage bottle is fixed on the fixed frame through a connecting mechanism. The shunt bottle connected to the bottom of the shunt tube; the fixed frame includes a base, a support rod, a sleeve and a support plate, and the surface of the support rod is provided with a scale groove that runs through the support rod in the horizontal direction, and a horizontal rod is fixed in the scale groove, and the horizontal rod can be moved along the The scale groove slides up and down; the sleeve is provided with a round hole that runs through the sleeve in the horizontal direction; there are at least four storage slots on the support plate, and a fixed ring with the same aperture as the storage slot is provided on the storage slot, and the side wall of the fixed ring is far away from the support rod One side is fixedly connected to the "inverted T"-shaped plate; the shunt bottle is set in the storage tank, and the bottle body is set on the upper surface of the "inverted T"-shaped plate; the invention has simple structure, convenient and quick use, high safety, and high precision. The drainage is smooth and continuous, and the labor intensity is reduced.

The invention provides a method for preparing zirconium oxide nanometer fiber through bubble spinning. The method comprises the following concrete steps of at room temperature, firstly, dissolving zirconium salts into a solvent; then, performing mixing and stirring with nanometer particles for inhibiting the growth of zirconium oxide colloidal particles by using a dispersing agent; adding polymers to obtain a bubble spinning solution; inputting the spinning solution into a liquid storage pool of bubble spinning equipment; meanwhile, connecting a positive electrode spinning jet to a high-voltage power supply to perform bubble spinning; obtaining a composite nanometer fiber membrane on a negative electrode receiving plate; performing pre-oxidation in a baking oven; then, putting the composite nanometer fiber membrane into a vacuum box type furnace to be subjected to calcination treatment; then, putting the composite nanometer fiber membrane into a muffle furnace to be subjected to high-temperature calcination; finally obtaining the zirconium oxide nanometer fiber membrane. The method provided by the invention has the advantages that the preparation process is simple; the cost is low; the volume of production is great; the scale mass production can be conveniently realized; meanwhile, good high-temperature-resistant performance is realized; the application prospects are wide.

The invention discloses an accumulated liquid drainage device for the cardiovascular medicine department. The device comprises a fixed frame and a drainage bottle. The drainage bottle is fixed on thefixed frame through a connecting mechanism. The drainage bottle comprises a bottle body and a drainage pipe. The bottom of the bottle body is provided with a shunting pipe and a shunting bottle communicated with the bottom of the shunting pipe. The fixed frame comprises a base, a supporting rod, a sleeve and a supporting plate. The surface of the supporting rod is provided with a scale groove penetrating through the supporting rod in the horizontal direction. A horizontal rod is fixedly arranged in the scale groove. The horizontal rod can slide up and down along the scale groove. A circular hole penetrating through the sleeve in the horizontal direction is formed in the sleeve. At least four containing grooves are formed in the supporting plate. Each containing groove is provided with a fixed ring which is equal to the aperture of the containing groove. An inverted-T-shaped plate is fixedly connected to one side, far away from the supporting rod, of the side wall of the fixed ring. Theshunting bottle is arranged in the containing groove, and the bottle body is arranged on the upper surface of the inverted-T-shaped plate. The device is convenient and fast to use, high in safety, high in precision, smooth in drainage and good in continuity, and the labor intensity is reduced.

The smooth vowel warbling process includes connecting two vowel phonemes serially in the merging order while neglecting the mute between two phonetic data; converting phonetic frequency spectrum parameters in the connected phonetic data into LSF format; taking the last one third phonetic frame of the former vowel and the first one third phonetic frame of the latter vowel as the smooth warbling frame; re-calculating all the phonetic parameters inside the smooth warbling frame via linear interpolation process to obtain new phonetic data after smoothening treatment; merging the new phonetic data with the phonetic data before smoothening treatment and the phonetic data after smoothening treatment to form the warble tone data. The said process has smooth and continuous effect.

The invention relates to a recoverable reinforced foaming sheet packing material and a preparation method thereof. The preparation method comprises the following steps that (1) an upper foaming boardand a lower foaming board are prepared with a foaming process; (2) the upper foaming board is arranged between an upper insulation roller and a high-voltage discharging rod, the lower foaming board isarranged between a lower insulation roller and the high-voltage discharging rod, the lower surface, heated and molten through corona discharging, of the upper foaming board and the corresponding upper surface of the lower foaming board synchronously pass through a corona heating area and are pressed and combined by a composite roll, thus a heat permeation layer is formed between the lower surfaceof the upper foaming board and the upper surface of the lower foaming board, the heat permeation layer connects the upper foaming board with the lower foaming board, and thus the upper foaming boardand the lower foaming board become a composite whole; and (3) BOPP / PE / PET plastic film layers / a BOPP / PE / PET plastic film layer are / is attached to the upper surface of the upper foaming board and / or the lower surface of the lower foaming board with PUR glue through UV curing technology. After corona treatment is combined with pressing combination by the composite roll, the lower surface of the upper foaming board and the corresponding upper surface of the lower foaming board permeate each other to form the heat permeation layer, overall strength can be improved, strength can be enhanced by about 50%, and toughness can also be improved.