58results about How to "Reduce the chance of separation" patented technology

A resin blend composition is provided containing a polyol, an ethoxylate propoxylate surfactant initiated by a short chain compound, and a hydrocarbon blowing agent. The solubility and/or compatibility of the hydrocarbon carbon blowing agent in the polyol is increased and the phase stability of the resin blend composition is improved by the ethoxylate propoxylate surfactant. The resin blend is suitable for reaction with polyfunctional organic isocyanates to make cellular polyurethane and polyisocyanurate foams.

The invention provides a plate oxygen sensor. The plate oxygen sensor comprises a heating body and an oxygen measurement body on the upper part of the heating body; the heating body comprises a heater substrate, two insulating layers above the heater substrate and a heating electrode clamped between the two insulating layers; the oxygen measurement body comprises a reference gas substrate, an oxygen measurement layer and a porous protective layer in turn from bottom to top; and the area of the insulating layers is smaller than that of the heater substrate, the area of the insulating layers is smaller than that of the reference gas substrate, and the edge of the heater substrate is contacted with that of the reference gas substrate. The invention also provides a preparation method for the plate oxygen sensor, which comprises superposition, hot pressing and sintering of the heating body and the oxygen measurement body. By reducing the size of the insulating layers, the reference gas substrate is combined with the heater substrate more closely, and the separation probability caused by co-firing is reduced, so that the plate oxygen sensor has good sealing property and high thermal shock resistance.

The invention relates to a method for extracting titanium from red mud. According to the scheme, the method comprises the steps of carrying out water leaching and dealkalization operation on the red mud to obtain a water leachate and water leaching resides; collecting the water leachate as a pH value regulator for subsequent titanium dioxide hydrolysis operation, and carrying out two-stage secondary acid leaching operation on a mixed solution of the water leaching residues, sulfuric acid and citric acid in an acid leaching tank to obtain tailings and qualified acid leachate containing titanium; then, mixing the qualified acid leachate containing titanium and an organic solvent, and carrying out five-stage extraction to obtain a saturated organic phase and a raffinate; returning the raffinate as a leaching agent to acid leaching operation; mixing the saturated organic phase and a back extraction agent, and carrying out six-stage extraction to obtain an organic waste phase and a back extraction solution; after regenerating the organic waste phase, recycling the organic waste phase to extraction operation; after regulating the pH value of the back extraction solution by using the water leachate obtained by dealkalization operation, carrying out hydrolysis operation; and calcining a hydrolysis product to obtain a titanium dioxide product with the purity of larger than 99.5% and the titanium recovery rate of larger than 80%. The method has the advantages of simple process, low agent consumption, high product purity, high titanium recovery rate and wastewater recycling.

The invention discloses an organic light-emitting display substrate, a display panel and a display device. The organic light-emitting display substrate comprises a bending region and a non-bending region, wherein the extension direction of the bending axis of the bending region is a first direction; and a surface of at least one film layer of a buffer layer, a gate insulating layer, a first insulating layer, and a second insulating layer in the organic light emitting display substrate away from a flexible substrate includes a microstructure, and at least one film layer on one side of the microstructure away from the flexible substrate forms a bending structure, and the extension direction of the bending axis of the bending structure is the same as the first direction. The technical schemeprovided by an embodiment of the invention enables the at least one conductive film layer of one side of the surface of the microstructure away from the flexible substrate to form the bending structure, and the bending structure can play a role of cushioning stress when the bending region is bent, thereby reducing the probability of breakage of each conductive film layer and separation from the adjacent insulating layer in the bending region.

The invention discloses a PCR (Polymerase Chain Reaction) amplification primer for quickly detecting mycoplasma ovipneumoniae, and application thereof, which belong to the field of animal bacteriologyand molecular biology. The PCR amplification primer is formed by an upstream primer with a nucleotide sequence as shown in an SEQ ID NO:1 and a downstream primer with a nucleotide sequence as shown in an SEQ ID NO:2; the primer is used for preparing a PCR amplification kit for detecting the mycoplasma ovipneumoniae. A PCR detection method provided by the kit has high specificity and sensibility,good repeatability, and high reliability, can specifically detect the mycoplasma ovipneumoniae and quickly and accurately obtain a detection result, is low in price, simple and convenient to operate,and suitable for grass roots at the same time, and can be used as a quick, accurate, simple and convenient detection tool for quick identification in a mycoplasma ovipneumoniae laboratory and large-scale epidemiological investigation.

The invention belongs to the technical field of prefabricated parts and in particular discloses an L-shaped concrete prefabricated part which comprises an L-shaped shell, a connecting sleeve, a sealing module, a shaking module and an expansion column, wherein the sealing module is arranged inside the vertical section of the L-shaped shell; the expansion column is arranged inside the horizontal section of the L-shaped shell; a water absorption resin coating is arranged on the outer side of the expansion column; the outer side of one end of the vertical section of the L-shaped shell is sleeved by a connecting sleeve; a feeding hole is formed in one end of the vertical section of the L-shaped shell; two sealing bolts are connected with both sides of the feeding hole in t he L-shaped shell ina spiral embedding manner; a first cavity is formed in the inner walls of inner walls on both sides of the vertical section of the L-shaped shell; a rotating rod is rotationally connected with the inner side of the first cavity through a torsional spring; a rubber plug is fixedly connected with the top end of the rotating rod; the sealing module comprises a spherical surface, a thread connecting rack, a first water absorption resin block, a second water absorption resin block and a connecting column. By adopting the L-shaped concrete prefabricated part, concrete can be distributed uniformly, and in addition, the strength of the prefabricated part can be improved.

The invention discloses a method for extracting active polysaccharide of wheat bran. The method comprises seed liquid preparation, fermentation medium preparation, fermentation and active polysaccharide extraction and concretely comprises inoculating nutrient broth with revived schizophyllum commune, bacillus subtilis, lactic acid bacteria and saccharomyces cerevisiae according to a weight ratio,carrying out culture to obtain a seed liquid, mixing wheat bran, soybean meal, corn core powder, distilled water and a fermentation synergist to obtain a fermentation medium, inoculating a fermentation medium with the seed liquid, carrying out fermentation culture, and extracting the fermented wheat bran through distilled water and an ethanol solution to obtain an active polysaccharide solution. The fermentation synergist can greatly increase the yield of the active polysaccharide. The method can significantly reduce the probability that the wheat bran active polysaccharide is separated alongwith the protein denatured gel and increase the yield and content of the wheat bran active polysaccharide. The wheat bran active polysaccharide can be used as an antioxidant active ingredient to remove free radicals in the body.

The invention discloses a high-activity tea pigment and a preparation method thereof, the method comprises freeze-thawing, extraction and purification, the method is as follows: firstly crushing Longjing green tea, adding water to freeze, centrifuging after microwave thawing, taking supernatant, concentrating, adding an ethanol solution, acidifying, centrifuging, and taking supernatant, namely a tea pigment solution, adjusting the pH of the tea pigment solution to 7.0-7.5, filtering by suction, drying and extracting with chloroform to obtain the tea pigment. The beneficial effects are as follows: the possibility to separate the tea pigment out can be greatly reduced, the yield and content of the tea pigment can be increased, the protein content in the product can be reduced, and the purityof the product can be improved. The tea pigment can be used as a natural pigment used in the food processing and textile industry. At the same time, the tea pigment can be widely used in food, medical, health care and other fields.

The present invention discloses a dripping adhesive encapsulation method of a solar paster component, the steps are: A, placing the solar paster plate in the bake oven for baking; B, the mix gum is stirred to colloid transparent by stirring implement after the A gum and the B gum are mixed by volume ratio; C, the homogeneous mix gum is injected into dripping gum tools to inject mix gum on the front face of the paster; D, the mix gum on the paster plate is uniform by the glass rod; E, the dripping rubber plate is arranged in the vacuum box to start-up the vacuum switch; F, the dripping slab rubber with a vacuum treating is placed in the bake oven to solid the dripping slab rubber in the bake oven; G, the dripping slab rubber is taken out from the bake oven, and the redundant gum is removed at the temperature below 50EDG C. The method of present invention is good, the produced dripping rubber plate has high light transmittance ratio, good sealability, beautiful external shape, long length of life, reasonable process design, easy operations, short curing time, tight combination between the colloid and the silicon plate.

The present invention relates to the field of display technologies, and particularly relates to a backlight module and a display apparatus. The backlight module comprises a curved-surface backplane and a backlight lamp panel. The backlight lamp panel is disposed on one side of the curved-surface backplane, and fits the curved-surface backplane. The backlight lamp panel comprises at least two sub-lamp panels. The sub-lamp panel comprises a body and at least one connection part disposed on one side of the body. Adjacent sub-lamp panels are rotatablely connected by using the connection part, so that the adjacent sub-lamp panels bend along a bending direction of the curved-surface backplane. The backlight module provided in the present invention, the backlight lamp panel comprises at least twosub-lamp panels, adjacent sub-lamp panels are rotatablely connected by using the connection part, so that a stress generated during bending of the backlight lamp panel is released, and stress concentration generated during bending of the backlight lamp panel is avoided, thereby effectively reducing a probability that the backlight lamp panel separates from the curved-surface backplane, and ensuring highly consistent mixed light in a mixed light region of the display module. Therefore, even lighting output of the backlight module is ensured, and structure stability and a service life of the display apparatus are enhanced.

The invention relates to the technical field of oil tank truck transportation, and discloses a leakage-proof oil tank which comprises a tank body, a leakage-proof device is mounted at the top of the tank body, a mounting seat is fixedly mounted on the outer side of the leakage-proof device, and a power supply is mounted in the mounting seat. A bag body is arranged in the oil tank body, a liquid inlet frame is arranged outside the bag body, when the tank body inclines, the pressure borne by the inclined face of the tank body exceeds the limited pressure at the moment, conductive liquid in the bag body flows into the liquid inlet frame, and conductive plates which do not make contact with each other circulate through the conductive liquid; as long as the internal oil tank inclines by a certain angle, current between the two current-conducting plates flows and supplies power to a coil, magnetic repulsive force of the coil acts on a movable plate, a channel between the tank body and a breather valve is blocked, therefore the situation that gasoline leaks from the breather valve when the inclination angle is small is avoided, the leakage-proof angle is improved, and leakage waste of gasoline is reduced.

The invention discloses an ESOP8 lead frame of a medium-and high-power LED driving chip. The ESOP8 lead frame comprises pins, a side connecting rib, a first base island and a second base island, wherein the first base island is used for bearing a control chip, and the second base island is used for bearing an MOSFET chip. One side of the first base island is connected with a frame exterior connector through the side connecting rib to serve as a supporting point of the first base island, and the other side of the first base island is directly connected with one pin to serve as another supporting point of the first base island; one side of the second base island is connected with the frame exterior connector through the side connecting rib to serve as a supporting point of the second base island, and the other side of the first base island is directly connected with two pins to serve as another supporting point of the second base island; the height of the first base island is larger than that of the second base island. The ESOP8 lead frame has the advantages that the cost is low, the size is small, the two chips can be placed at the same time, and the heat dissipation performance is good. The ESOP8 lead frame can be widely applied to the field of semiconductor devices.

The invention discloses a display panel and a preparation method of the display panel. The display panel comprises a driving backboard, a plurality of solder columns and a plurality of LED chips, wherein one side surface of the driving backboard is provided with an adhesive layer, and the adhesive layer is provided with a plurality of through holes arranged in an array; the solder columns are arranged in the through holes, and the solder columns are lower than the through holes; the LED chips are located on the side, provided with the adhesive layer, of the driving backboard, at least one electrode is arranged on one side of each LED chip, and the electrodes are connected with the solder columns. By means of the mode, the risk that the LED chip is broken during laser stripping can be reduced, and the step of picking up the LED chip through a transfer pick-up head in the transfer technology is omitted.

The invention discloses a method for directly producing metal bismuth by performing reduction and sulfur-fixed roasting on a bismuth sulfide material. The method comprises the following steps: performing scientific reduction and sulfur-fixed roasting on the bismuth sulfide material to produce the metal bismuth by one step; then performing simple and feasible liquation separation to obtain the metal bismuth; melting to separate ferrous sulfide to complete processes of transformation of bismuth from bismuth sulfide to the metal bismuth, sulfur fixing with ferric oxide, valued metal enrichment and the like. The method can continuously treat bismuth sulfide concentrate in a large scale and separate the metal bismuth and the ferrous sulfide; the direct recovery rate of the metal bismuth is up to 98.66 percent, and the separation rate of the ferrous sulfide is up to 95 percent or above. The method has the characteristics of simplicity in operation, cleanness and comprehensive utilization; efficient use of iron resources in cinders is realized, and valued metals are recycled; industrial production is easy to develop.

The invention discloses a PCR (polymerase chain reaction) amplification primer for fast detecting mannheimia haemolytica and application thereof, and belongs to the technical field of animal bacteriology and molecular biology. The PCR amplification primer consists of an upstream primer with the nucleotide sequence shown as SEQ ID NO:1 and a downstream primer with the nucleotide sequence shown as SEQ ID NO:2; the primers are used for preparing a PCR amplification kit for fast detecting the mannheimia haemolytica. A PCR detecting method provided by the kit has high specificity, sensibility, highrepeatability and high reliability; the detecting result is fast and accurately obtained; meanwhile, the cost is low; the operation is simple and convenient; the defects of low separation rate, timewaste, labor waste and the like of a traditional identification method are overcome; the PCR amplification primer is suitable for being used for basement layers, and can be used as a fast, accurate, simple and convenient detecting tool for fast detection of mannheimia haemolytica laboratories and survey of large-scale epidemiology.

The invention relates to power transmission equipment capable of preventing accumulated snow; the equipment comprises a main body, a supporting box and two wiring devices, and further comprises a snow removing mechanism and two fixing mechanisms, each fixing mechanism comprises two fixing assemblies, and each fixing assembly comprises a fixing box, a fixing plate, an air bag, a pulling plate, a connecting pipe, two connecting rods and two first springs. The snow removing mechanism comprises a heating rod, an inflation assembly, a vibration assembly and two driving assemblies, the power transmission equipment realizes a cable clamping function through the fixing mechanism, and reduces the probability of separation of a cable and a binding post, thereby improving the stability when the cable is connected with the binding post, and avoiding the influence on the power transmission work. And through the snow removing mechanism, the snow removal function is realized, so that accumulated snow cannot cover the binding post, the connection between the cable and the binding post cannot be influenced, the power transmission work cannot be influenced, and the reliability of the equipment is improved.

The invention relates to rescue equipment with high safety. The rescue equipment comprises a main body, a safety mechanism and two prompt mechanisms, wherein each prompt mechanism comprises a fixed box, a floating plate, a first spring, a gear, a rack, a rotating shaft, a connecting rod, a second spring, two eccentric wheels, two second bearings and two prompt assemblies, the safety mechanism comprises an annular air bag and two inflation assemblies, and the inflation assemblies comprise inflators, pistons, support rods, movable rods, air inlet pipes, air outlet pipes, connecting pipes, control units and detection units. According to the rescue equipment with high safety, the prompt mechanisms are arranged, so that the function of intermittently knocking a fixed block to generate sound isrealized, rescue personnel can judge the position of a to-be-rescued person through the sound, the prompt function is realized, and the rescue difficulty is reduced; and the safety mechanism is arranged, so that the to-be-rescued person can be fixed by inflating the annular air bag, and the to-be-rescued person is prevented from being separated from the main body due to insufficient physical strength during floating.

The invention discloses a product spray coating process, and belongs to the technical field of product manufacturing. The process comprises the following steps of spraying and coating an LDS treatment agent on a preset surface of a product; spraying and coating a polishing layer on the surface of the LDS treatment agent, and performing online baking, wherein the adhesive force between the preset surface of the product and the polishing layer is increased through the LDS treatment agent; performing polishing treatment on the polishing layer on the product, and enabling the thickness of the polished polishing layer to be smaller than a half of the thickness of the polishing layer before polishing; spraying and coating colored paint on the surface of the polishing layer; and spraying and coating finish paint on the surface of the colored paint. According to the product spray coating process provided by the invention, the subsequent treatment of the product treated by the LDS process can be realized, so that the roughness of the product obtained after treatment is low, and the appearance requirement can be further met.

The invention discloses an RT-PCR primer for rapidly detecting Ferlavirus and application of the RT-PCR primer, and belongs to the technical field of animal bacteriology and molecular biology. The RT-PCR primer is composed of an upstream primer having a nucleotide sequence shown in SEQ ID NO: 1 and a downstream primer having the nucleotide sequence shown in SEQ ID NO: 2; and the primer is used toprepare an RT-PCR kit for detecting Ferlavirus. An RT-PCR detection method provided by the kit has high specificity and sensitivity, high repeatability, and high credibility, detection results are quickly and accurately acquired, and the method is low in cost and simple in operation, overcomes low separation rate, time and labor consumption and other deficiencies of a traditional identification method, is suitable for use at a base level, and can be used as a rapid, accurate and simple detection tool for laboratorial rapid detection and large-scale epidemiological investigation of Ferlavirus.

The invention relates to sorting equipment for chip production, which comprises a base, a top plate, a moving device, a suction pump, an air inlet pipe, an air outlet pipe, a suction pipe, a suction cup, a dismounting and mounting mechanism, two clamping mechanisms and two supporting columns; the dismounting and mounting mechanism comprises a fixed ring, two positioning rods and two dismounting and mounting assemblies; each of the dismounting and mounting assemblies comprises a pulling plate, a fixed rod, two limiting blocks, two pieces of elastic cloth and a plurality of elastic ropes; and each of the clamping mechanisms comprises a power assembly, a branch pipe and a plurality of clamping assemblies. According to the sorting equipment for the chip production provided by the invention, through the dismounting and mounting mechanism, the convenience of dismounting and mounting the suction cup is improved, the workload of a user is reduced, and the practicability of the equipment is improved; by means of the clamping mechanisms, the function of fixing and clamping the positioning rods is achieved, the probability that the suction pipe is separated from the air inlet pipe when a chip is moved is reduced, therefore, the suction pipe is not prone to being separated from the air inlet pipe, and the stability of adsorbing the chip is improved.

The invention discloses mandala integrally-formed press-fit manufacturing equipment which comprises a rack assembly, a back plate press-fit mechanism, a panel press-fit mechanism and a mold forming mechanism, a press-fit support is arranged at one end of the rack assembly, the back plate press-fit mechanism is arranged on the lower portion of the press-fit support, the panel press-fit mechanism is arranged on the upper portion of the press-fit support, and a material bearing frame is arranged at the other end of the rack assembly; a die forming mechanism is arranged below the material bearing frame, a working hole for the die forming mechanism to ascend and descend is formed in the center of the material bearing frame, and a wall bar groove machining mechanism is arranged above the material bearing frame. The machine is compact in structure, grooving and pasting are integrated, pressing of side plates, a back plate and a face plate of a datura is automatically completed on the same equipment, the equipment investment cost is reduced, the operation procedures and operators are reduced, and the production efficiency and the product quality are improved; and the laminating is tight and stable, the drying speed is high, deformation is avoided in the laminating process, and the production efficiency and quality of products are effectively improved.