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.

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 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 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 improved heat exchange fin production equipment, and relates to the technical field of heat exchange fin production equipment. The equipment comprises a supporting base, guide mechanisms, a top plate and push plate mechanisms, hydraulic cylinders are arranged at the left front side and the right rear side of the supporting base correspondingly, and a gas base is fixed to the center of the upper portion of the supporting base; and a lower die supporting base is fixed to the upper portion of the gas base, the guide mechanisms are vertically arranged at the left side and the right side of the upper portion of the supporting base respectively, the top plate is arranged at the top ends of the guide mechanisms, and the push plate mechanisms are arranged at the front side and the rear side of an upper die base respectively. The improved heat exchange fin production equipment is further provided with two die pressing and lifting power structures besides two guiding and buffering structures, good assistance is provided for vertical movement of an upper die part, the problem that mold opening and closing actions are not coherent and not timely due to aging of production equipment is solved, the service life of the improved heat exchange fin production equipment is effectively prolonged, and the comprehensive use effect of the improved heat exchange fin production equipment is effectively 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 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 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.