57results about How to "Avoid joining" patented technology

The invention belongs to the field of food processing equipment, and particularly relates to a meat paste making device for food processing, which comprises a base plate and the like, the base plate is an assembly carrier of the device, the two supporting columns are symmetrically and fixedly connected to the base plate, the supporting seat is installed on the two supporting columns in a sliding mode, and a plurality of limiting blocks are annularly arranged on the top face of the supporting seat at intervals. The discharging barrel is placed on the supporting seat through the limiting block, an opening is formed in the top of the discharging barrel, and the discharging barrel is a muddy meat making container; the hammering mechanism is arranged at the upper parts of the two supporting columns, and the hammering mechanism is used for hammering meat paste in the discharging barrel. Minced meat is hammered alternately through two hammering blocks in the hammering mechanism, the making efficiency of the minced meat in the discharging barrel is effectively improved, the discharging barrel can be gradually lifted along with hammering of the minced meat in cooperation with the lifting mechanism, it is ensured that the hammering blocks can effectively act on the minced meat in the whole hammering process, and the problem that hammering is not in place is avoided.

The invention relates to air compressor lubricating oil with low odor and long service life. The air compressor lubricating oil with low odor and long service life is prepared from the following raw materials in percentage by weight: 0.2 to 1 percent of additive A, 0.5 to 2.0 percent of additive B, 0.03 to 0.1 percent of antirust agent, 0.5 to 1.5 percent of antioxidant, 0.0075 to 0.01 percent of defoaming agent and the balance of second-class hydrofined mineral oil. The additive A and the additive B are compounded to replace a traditional additive, the heat stability, oxidation stability and wear resistance of the air compressor lubricating oil can be remarkably improved within a proper dosage range, and in practical application, the oil change period of the air compressor lubricating oil is remarkably prolonged and can exceed 6000 hours. In addition, through compounding of the additive A and the additive B, the problem that a traditional additive has serious odor after being used for a period of time is solved.

The invention discloses a method for extracting cesium from salt lake brine. The method comprises the following steps: step 1, carrying out saponification reaction, and centrifugally standing for layering; step 2, adjusting the pH value of the salt lake brine, and putting the salt lake brine into a reaction container for extraction; step 3, washing until the concentration of the organic solution containing the cesium element is less than 0.01 g / L; step 4, carrying out back extraction; and 5, impurity removal is conducted on a cesium-containing reverse extraction phase obtained after reverse extraction. The method has the advantages that the salt lake brine is extracted through the saponified organic phase, the alkali liquor consumption is very small and can be recycled, meanwhile, addition of a large amount of strongly alkaline substances into the organic phase is avoided, environment pollution caused by generation of a large amount of waste alkali liquor is avoided, the production cost and the treatment cost are reduced, the treatment capacity is large, the process and equipment are simple, investment is small, and the method is suitable for industrial production. And continuous production is easy to realize.

The invention relates to an unmanned emergency hydraulic braking system for a mine car, which comprises a hydraulic oil tank, a hydraulic pump, an emergency braking valve, a pedal valve, two electro-hydraulic proportional braking valves and a brake, and the two oil inlet ends of the pedal valve are respectively connected with the oil inlet ends of the two electro-hydraulic proportional braking valves; the two oil outlet ends are connected with the oil outlet ends of the two electro-hydraulic proportional brake valves through the two shuttle valves respectively, and the emergency brake valve is connected with the hydraulic control end of the pedal valve. The input ends of the brakes are connected with the pedal valve and the electro-hydraulic proportional brake valve through the shuttle valve, the shuttle valve respectively compares the output pressure of the pedal valve and the output pressure of the electro-hydraulic proportional brake valve and outputs the larger pressure to the two brakes, and emergency braking under the working conditions that the pressure of the braking system is smaller than a set value and the unmanned driving system is powered off is achieved; meanwhile, the emergency brake valve is arranged, pilot control oil of the pedal valve is output according to different working conditions, and the service life of hydraulic elements of the system is prolonged under the condition that effective operation of the system is guaranteed.

The invention discloses lactobacillus plantarum with high antioxidant activity, and belongs to the field of probiotic preparations and biotechnology thereof. Viable bacteria and dead bacteria of the lactobacillus plantarum LCC-605 provided by the invention have extremely strong antioxidant capacity, and the capacities of removing DPPH (1, 1-diphenyl-2-picrylhydrazyl), ABTS < + > and hydroxyl free radicals respectively reach 94.7%, 99.8% and 92.5%; the superoxide anion clearance rate reaches up to 27.9%; the highest reduction capacity reaches the equivalent weight of 547.4 mu mol / L L-cysteine hydrochloride; and the iron reducing power reaches the highest OD value of 0.8592. Therefore, the lactobacillus plantarum LCC-605 can be developed as a leavening agent, is applied to fermentation of animal milk and plant milk, and develops a fermented product with a potential anti-oxidation effect. Meanwhile, the strain can also be used as a natural antioxidant, and is widely applied to preparation of food, cosmetics, health care products, medical products and animal feed in the aspect of oxidation resistance.

The invention relates to the field of fiber technology, and in particular to a method for preparing an antibacterial and anti-mite intelligent constant temperature fiber, comprising the steps of preparing a soybean protein solution, preparing a temperature regulating solution, preparing a mixed spinning solution, pre-spinning injection, spinning and post-processing. The antibacterial and anti-mite intelligent constant temperature fiber prepared by the invention has better softness and hand feel than the same type of added functional fibers in the industry due to the addition of soybean protein isolate, and has obvious advantages. The melting enthalpy is 44.5-55.6 J / g, the crystallization enthalpy is 42.4-53.1 J / g, and the fiber has better constant temperature performance. The fiber has an antibacterial rate of more than 98% against Staphylococcus aureus, more than 94% against Escherichia coli, and more than 95% against Candida albicans, and has a very strong anti-mite effect, with a detection rate of 0 dust mites and an avoidance rate of ≥99%.

The invention discloses a bio-based modified rosin resin preparation method, which comprises: placing rosin in a container, introducing carbon dioxide, heating and stirring until the rosin is molten, cooling, sequentially adding phenol and solvent oil, stirring, adding a catalyst, and heating to obtain a mixed material liquid; adding water into the mixed material liquid, stirring and washing, introducing carbon dioxide after washing, heating to evaporate out the solvent oil, heating the mixed material liquid to 200 DEG C, adding an antioxidant, pentaerythritol and octanol, stirring and mixing, heating to 260-280 DEG C, carrying out constant-temperature treatment, cooling to 200-220 DEG C, adding the antioxidant and nano-hydroxyapatite, stirring, cooling to 200-220 DEG C, adding the antioxidant and nano-hydroxyapatite, and carrying out uniform mixing, so as to obtain a finished product. And discharging, cooling, filtering and granulating to obtain the bio-based modified rosin resin. The rosin is used for replacing turpentine to produce the rosin modified phenolic resin, formaldehyde is not added in the production process, volatile organic compounds are not generated after the product is applied, and the rosin modified phenolic resin is environment-friendly and safe and can be applied to the field of automobile adhesives.

The utility model provides a sewage treatment medicament mixing device for sewage treatment, which belongs to the technical field of sewage medicament mixing and comprises a mixing cylinder and a medicament box, a stirring rod is arranged in the mixing cylinder, the stirring rod penetrates through the top of the mixing cylinder and is hollow, a communicating support rod is arranged on the stirring rod, and a plurality of stirring pipes are arranged at the bottom of the communicating support rod. A plurality of liquid outflow holes are formed in the stirring pipe, a quantitative water pump is arranged on the upper surface of the agent box, an agent pumping pipe is arranged on one side of the quantitative water pump and located in the agent box, an agent inlet pipe is arranged at the end of the quantitative water pump, and the end of the agent inlet pipe is located at the top of the stirring rod; according to the device, chemicals can be continuously and quantitatively added, and meanwhile, the labor capacity of personnel is reduced, so that the chemicals are uniformly mixed with sewage.

The invention relates to the technical field of simulation testing, and discloses a pseudorandom sequence storage method, a pressure test method, a device and a system. The method comprises the following steps: acquiring memory information of a memory and an address of a reserved storage resource in the memory, wherein the memory information comprises the size of the memory resource of the memory; according to the size of the memory resource, generating pseudo-random binary sequence PRBS original data according to a pseudo-random binary sequence algorithm; processing the PRBS original data according to a preset clustering algorithm to generate expected data corresponding to the PRBS original data; and storing the PRBS original data and the expected data into reserved storage resources of a memory according to the address. According to the method, the PRBS data is generated in an external module mode, a PRBS module does not need to be arranged in an original hardware circuit, and the design complexity is reduced; meanwhile, by means of an external module mode of software, pseudo-random binary sequences of different orders are conveniently generated, the flexibility of generating the PRBS data is improved, and the requirements of different application scenes are met.

The utility model relates to the technical field of concrete production, in particular to a concrete admixture premixing device which comprises a premixing box and a rotating cylinder, a liquid inlet pipe and a liquid outlet pipe are arranged on the pre-mixing box, and a plurality of supporting legs are arranged on the bottom surface of the pre-mixing box; the rotating cylinder is rotationally mounted on the inner wall of the upper end of the premixing box; an auxiliary assembly for stirring the concrete admixture in the rotating cylinder is arranged at the feeding hole; the upper end of the stirring assembly is connected with the bottom surface of the rotating cylinder. The stirring assembly drives the rotating cylinder to rotate, the concrete admixture can be dissolved more quickly through relative movement between the rotating cylinder and the auxiliary assembly, and meanwhile the dissolved concrete admixture and liquid in the pre-stirring box are further mixed through the stirring assembly. Furthermore, the concrete admixture can be dissolved more quickly and uniformly; and meanwhile, the arranged stirring assembly drives the rotating cylinder to rotate, so that a new driving piece is prevented from being added, and energy is saved.

This invention discloses a biological product extractor, belonging to the technical field of nucleic acid extraction equipment. The biological product extractor includes a support unit and a horizontally adjustable eccentric vibration module. The support unit includes, from top to bottom, an electromagnet disk, a temperature regulating element, and a first moving plate. The electromagnet disk is used to hold a type plate containing magnetic beads. The electromagnet disk is electrically connected to a control module to control its magnetic phase. The temperature regulating element is used to regulate the temperature of the type plate above the electromagnet disk. The output end of the horizontally adjustable eccentric vibration module is connected to the first moving plate to shake the type plate above the electromagnet disk. This invention combines the functions of a magnetic field module for regulating the aggregation and dispersion of magnetic beads, vibration and shaking, and temperature regulation. It avoids the addition and removal of biological products between multiple devices, reducing cross-contamination of biological products and improving the efficiency and quality of biological product preparation.

This invention relates to a silicon-carbon anode material for use in sulfide solid-state batteries, a modification method thereof, and a sulfide solid-state battery and its preparation method. The modification method includes: providing a porous silicon-carbon material, dispersing it in pure water or anhydrous ethanol to obtain solution A; adding a metal source to pure water, and adding oxalic acid or an alkaline solution dropwise while stirring until homogeneous to obtain solution B; transferring solution A to a water bath for stirring, and slowly adding solution B dropwise until the water evaporates, uniformly coating the surface of the silicon-carbon material with the precursor material to obtain the coated material; drying the coated material, and then heating and holding it under a nitrogen atmosphere to convert the surface metal oxide precursor into metal oxide, thus obtaining the silicon-carbon anode material. This invention avoids the addition of a solid electrolyte by constructing a lithium-ion transport layer in situ on the porous silicon-carbon material, thereby improving the initial discharge capacity and cycle stability of the battery, and achieving high capacity retention.

The invention discloses high-purity heat-resistant quartz ceramic and a preparation method and application thereof, and belongs to the technical field of inorganic non-metallic materials, the high-purity heat-resistant quartz ceramic comprises the following raw materials by mass fraction: 50-80% of a fused high-purity quartz raw material, 10-50% of fused high-purity quartz fine powder, 0.1-1% of a composite mineralizer, and 0.1-5% of a binder; the content of CaO in the high-purity heat-resistant quartz ceramic is less than or equal to 0.1%. The aspects of raw material deep processing, additives, the preparation process and the like are strictly controlled, the addition of calcium-containing substances is avoided, the eutectic point phase is fundamentally reduced, the alkali corrosion resistance and the high-temperature strength are further improved, and the finally obtained quartz ceramic has the advantages of high refractoriness under load, excellent thermal shock resistance and corrosion resistance, and the service life of the quartz ceramic is prolonged. The method is suitable for severe environments such as oxy-fuel combustion glass kilns.

The invention discloses a pet oral soluble film and a preparation method thereof. The pet oral soluble film is prepared from the following components in parts by mass: a first film-forming agent, a pH value regulator, a pet flavoring agent, a disintegrating agent and a supplement, the first film-forming agent is lycium barbarum polysaccharide extract. According to the pet oral dissolving film, the pH value of the pet oral dissolving film is adjusted to be matched with the pH value of saliva of a pet (dog and cat) through the pH value adjusting agent, the pet oral dissolving film adhered to the corresponding part of the oral cavity of the pet (dog and cat) can be rapidly disintegrated through the disintegrating agent, and discomfort of the pet (dog and cat) caused by long-time adhesion is avoided; the pet flavoring agent can improve the fond degree of pets (dogs and cats) on the pet mouth soluble film according to the taste characteristics of the pets (dogs and cats). Compared with the prior art, the pet oral soluble film is prepared according to the characteristics of pets (dogs and cats), is popular with the pets (dogs and cats) in the actual use process, and can greatly avoid discomfort of the pets (dogs and cats) in the taking process.

The invention discloses a catalyst for preparing acrolein and a preparation method and application thereof, and particularly relates to the technical field of catalyst preparation, the catalyst comprises a molybdenum-bismuth composite oxide, a metal oxide and a nano-structure accelerant, the metal oxide is selected from at least one of TiO2, NiO, ZnO, La2O3, CeO2, CuO, Ga2O3, MgO and SnO2 and has a crystal structure, and the nano-structure accelerant is a nano-structure accelerant. The nanostructure accelerant is nanoparticles with specific morphology, is selected from at least one of carbon nanotubes and graphene, and is uniformly dispersed in the catalyst according to a mass ratio of 0.1-5%, the crystal structure of the metal oxide is needle-shaped or sheet-shaped, the diameter of the needle-shaped metal oxide is 5-150 nm, and the length of the needle-shaped metal oxide is 0.1-50 [mu] m. The method has the remarkable beneficial effects of improving the propylene conversion rate, prolonging the service life of the catalyst, improving the selectivity, improving the mechanical strength and the like, and has important significance in promoting technical progress and industrial upgrading of acrolein production.

The invention discloses a novel titanium-free shading soft capsule and a preparation method thereof, and belongs to the technical field of medicines and health foods. The capsule wall material of the soft capsule comprises 35-45% of gelatin, 15-23% of glycerin, 30-40% of purified water, 3-5% of composite calcium carbonate, 0.5-0.7% of an emulsifier and 0-2% of a pigment. Wherein the composite calcium carbonate is composed of light calcium carbonate and heavy calcium carbonate. According to the soft capsule disclosed by the invention, the light calcium carbonate and the heavy calcium carbonate are compounded, and the emulsifier polyglycerol fatty acid ester in a specific proportion is matched, so that the shading effect and the stability which are equivalent to those of titanium dioxide are realized, and the potential risk of titanium dioxide on the environment and human health is reduced. Meanwhile, the production process is simplified, large-scale production is facilitated, and a safe, healthy and environment-friendly shading solution is provided.

The present invention discloses the preparation of a silver nanocluster fluorescent composite membrane and its application in the detection of heavy metals. The preparation method of the silver nanocluster fluorescent composite membrane comprises the following steps: (1) mixing an aldehyde-modified nanocellulose solution, a silver ammonia solution and a glutathione solution, and then stirring and reacting them to obtain silver nanocluster micelles; wherein the molar ratio of the aldehyde content of the aldehyde-modified nanocellulose, the silver ammonia complex ions in the silver source solution and the glutathione is 1:1-10:1-10; (2) uniformly mixing the silver nanocluster micelles obtained in step (1) with a glucose solution having a concentration of 10-50% by mass, and evaporating and self-assembling at 20-50°C to form a silver nanocluster fluorescent composite membrane. The silver nanocluster composite membrane prepared by the present invention exhibits strong red fluorescence under ultraviolet light (observed with a black background), and can be used for semi-quantitative, visual and rapid detection of heavy metal ions such as copper ions.

The present invention discloses an aging-resistant PETG shrink film for protecting thin-film solar cells, wherein the shrink film layer structure is a three-layer structure of A / B / A; wherein the raw materials of the A layer include PET modified with NPG and a functional masterbatch; and the raw materials of the B layer include PET, PETG, an antioxidant and a light stabilizer. The present invention effectively reduces the production cost while ensuring the efficacy, and the surface layer of the film has good printability and heat-sealing properties, while also achieving the characteristics of high light transmittance, low haze and high transparency of the film, and improving durability.

The utility model relates to the technical field of magnet preparation molds, and discloses a multi-pole radial magnetic ring mold, which comprises a sleeve body, a plurality of radial magnetic rings and a plurality of radial magnetic rings, the multiple magnet structures are arranged on the outer side of the sleeve body, and the multiple magnet structures are distributed in the circumferential direction of the sleeve body at intervals; the shielding blocks are arranged on the outer side of the sleeve body, the number of the shielding blocks is equal to that of the magnet structures, and each shielding block is located between every two adjacent magnet structures. The magnet structures are arranged on the outer side of the sleeve body, the magnet structures generate an external orientation magnetic field, the magnet ring is oriented in the forming process of the magnet ring, the magnet structures are distributed in the circumferential direction of the sleeve body at intervals so that the magnet ring can be of a multi-pole radial structure, and one shielding block is arranged between every two adjacent magnet structures so that the trend of the magnetic field can be changed; the interference of a magnetic field on a concave mold cavity is reduced, so that the orientation force at the joint of two adjacent magnetic poles on the magnetic ring is reduced, the influence on a formed blank is reduced, and the phenomenon that the sintered magnetic ring cracks is reduced.

The present invention discloses a system component communication method and storage medium applied to port network security, wherein the communication method includes the following steps: establishment of a certificate authority; creation and submission of a certificate signing request; review of identity authentication and certificate signing request; generation of a certificate; distribution of a certificate; data transmission: judging whether the digital certificates carried by both components to be communicated are valid, if so, communication is performed, if not, communication is rejected. A component is selected as a certificate authority to manage the key and digital certificate of the component, and is responsible for issuing digital certificates and digital signatures for other components added to the system. Thereafter, communications within the system will require the use of digital certificates issued by the certificate authority, which ensures that only authenticated components can communicate with each other, thereby preventing unauthorized devices from joining the system, thereby preventing unauthorized access and data leakage.

The invention discloses a method for halogen-mediated diaphragm-free electrosynthesis of cyclic carbonate and application thereof. The method comprises the following steps: carrying out electrochemical reaction by adopting a diaphragm-free flow reactor, adding halide salt, carbonate and an optionally added inorganic passivator into water and an N, N-dimethylformamide solvent to serve as a supporting electrolyte, and preparing the cyclic carbonate by a one-pot method by taking olefin and carbon dioxide as raw materials under the condition of constant current at room temperature. The method is reported for the first time for one-pot electrochemical preparation of ethylene to ethylene carbonate at present, the Faraday efficiency of ethylene carbonate is high, the productivity is high, the current density is large, the ethylene carbonate can stably run for 350 hours, and the method has industrial application prospects.

The invention discloses a method for producing biodiesel by using organic solid waste anaerobic fermentation liquor and microalgae, which comprises the following steps: inoculating microalgae into a culture medium for culture, and collecting algae cells; and adding the organic solid waste anaerobic fermentation liquor into the residual culture medium, inoculating microalgae for culture, and collecting new algae cells. According to the method, the organic solid waste anaerobic fermentation liquid is directly added into the residual culture medium, so that a new microalgae culture system can be quickly formed, the production process can be simplified, continuous culture of microalgae can be realized, the accumulation amount of microalgae biomass and the yield of biodiesel can be increased, the use amount of water can be remarkably reduced, and the production cost can be reduced. And addition of a new carbon source is avoided, so that the production cost is reduced. The method has the advantages of being simple in process, convenient to operate, low in cost, high in microalgae biomass yield, high in biodiesel yield, good in biodiesel quality and the like, is suitable for large-scale production of the biodiesel, and facilitates industrial application of the biodiesel.

The invention discloses a mining backfill material preparation process based on tailings sand recovery and reuse, which is applied to the field of environmental protection technology. The process reduces the use of other materials and additives and uses tailings sand waste as the main raw material to prepare the backfill material, which can not only effectively save costs, but also effectively avoid the precipitation of harmful substances and secondary pollution. By adding a shaped internal reinforcement keel as the skeleton of the backfill material, the strength of the backfill material is effectively improved, and the backfill material can be prevented from being broken and collapsed during transportation and backfilling. The internal reinforcement net is used to adsorb heavy metal ions in the backfill material to prevent the heavy metal ions from infiltrating into the groundwater layer. The internal reinforcement column is also used to help the infiltration of rainwater, effectively preventing the occurrence of waterlogging in the reclaimed backfill pit, and the internal reinforcement column can filter the infiltrating rainwater, further effectively preventing the harmful substances from infiltrating into the groundwater layer, thereby achieving the increase and purification of the strength of the backfill material and effectively preventing secondary pollution.

The present invention discloses an OPA energy conversion efficiency improvement device, which includes two nonlinear optical OPA crystals and a 1 / 2 wave plate, wherein the 1 / 2 wave plate is placed between the nonlinear optical OPA crystal 1 and the nonlinear optical OPA crystal 2, and is placed perpendicular to the laser propagation direction, and the distance between the 1 / 2 wave plate and the front and rear nonlinear optical OPA crystals 1 and the nonlinear optical OPA crystal 2 is equal. The present invention avoids the signal light energy loss caused by the reverse frequency sum process, and greatly improves the amplification efficiency of the OPA device.

The invention provides nutritional thick soup containing dendrobium candidum and tremella aurantialba as well as a preparation method and application of the nutritional thick soup. The nutritional thick soup is prepared from the following raw materials in parts by mass: 1-35 parts of fresh dendrobium candidum, 5-50 parts of fresh tremella aurantialba, 1-12 parts of whole lotus seeds, 1-15 parts of poria cocos, 1-5 parts of liquorice, 1-10 parts of N-acetylneuraminic acid and 1-5 parts of erythritol. The nutritional soup containing dendrobium nobile and tremella aurantialba is prepared through the technological processes of selection, cleaning, soaking processing, boiling, mixing and sterilization. According to the invention, the raw materials are scientifically proportioned, so that the components can support and supplement each other, and the health-preserving and health-care effects of homology of medicine and food are achieved; the retention rate of active ingredients is increased, and the nutritional and health-care effects can be improved; meanwhile, the in-vitro antioxidant activity is enhanced, the IC50 value is only 38.5 mu g / ml, the phagocytic index of macrophages is increased to 1.88, and oxidation resistance and immunity enhancement can be achieved; and the fresh tremella aurantialba is adopted, so that the tremella aurantialba has the advantage of low sugar.

The utility model discloses an edible fungus liquid strain incubator which comprises a tank body, an annular heating cavity is fixed in the tank body, and a heating inlet and a heating outlet are formed in the annular heating cavity; a flow guide mechanism and a defoaming mechanism are also arranged in the tank body; the flow guide mechanism comprises flow guide blades and an inner rotating shaft; the defoaming mechanism comprises an outer sleeve and a plurality of defoaming shafts, and a plurality of defoaming teeth are arranged on the defoaming shafts. According to the utility model, through the downward flow pushing effect of the guide vanes, edible mushroom liquid in the tank body is driven to circularly flow from the interior of the annular heating cavity to the exterior of the annular heating cavity, and the annular heating cavity is matched, so that more efficient temperature regulation and control of the edible mushroom liquid in the tank body are realized; defoaming teeth of the defoaming mechanism are used for stirring and crushing bubbles entering the annular heating cavity, so that the circular defoaming operation of the bubbles at the top of the edible mushroom liquid is realized, and the whole ventilation fermentation process is completed by matching with the tank body.

The present application relates to the technical fields of epoxy resin synthesis, in particular to a phenolic epoxy resin, a preparation method and application thereof. The phenolic epoxy resin has the structure shown in the following formula I: Formula I; wherein, in the formula I, n represents a polymerization degree, and is 0.2-0.6; R1, R2 and R3 are each independently selected from H or C1-C 10 alkyl; and R4 is selected from H or a fused ring group. The preparation method of the phenolic epoxy resin adds a phenolic compound for molecular modification in a refining stage, increases the proportion of secondary hydroxyl groups in the epoxy resin, promotes the curing of the epoxy resin, effectively shortens the gel time of the epoxy resin, does not change the mechanical properties of the cured epoxy resin, avoids adding a small molecule accelerator in the epoxy resin compound, and therefore can effectively improve the electrical properties of the cured product.

The invention discloses a distributed cluster rapid deployment method and device based on a cloud server, and the method comprises the steps: determining a main node as a control server, selecting a plurality of working nodes as a target server, and enabling the sum of the resource quantities of the selected working nodes to be greater than the resource quantity required by a user; uploading the configuration file, the program file and the script file to a control server, and verifying the existence state of the configuration file through the script file; testing a network between the control server and the plurality of target servers according to the existence state of the configuration file; and according to a network test result, eliminating the working nodes which do not meet the network test requirement, and issuing a dependency relationship to the target server through the control server so as to control the target server to execute the program file according to the dependency relationship to complete distributed cluster deployment. By eliminating the working nodes which do not meet the requirements, optimal resource utilization is achieved, and the speed and stability of distributed cluster deployment are improved. And the universality and the deployment efficiency of the deployment method are improved.

The utility model relates to the technical field of ladle overturning machines, and discloses an efficient hydraulic ladle overturning machine which comprises a base and further comprises a fixing column fixedly connected to the surface of the base, the top of the fixing column is connected with a connecting plate through a rotating shaft, and the connecting plate is fixedly connected to the bottom ends of the two sides of an overturning table. The bottom end of the overturning table is further connected with a hydraulic rod through a connecting shaft, and the output end of the hydraulic rod is connected with the overturning table through a connecting shaft. According to the turnover table, the stop lever is arranged on one side of the rotating shaft of the turnover table, so that limiting is achieved when the turnover table drives goods to turn over, the bottoms of the goods can be conveniently supported after the goods are turned over, meanwhile, due to the telescopic arrangement of the stop lever, the goods can be conveniently unloaded on the surface of the turnover table, adding of external facilities is avoided, and the turnover table is convenient to use. And the guide wheels are rotationally arranged in the stop levers, so that the contraction flexibility of the stop levers at the bottoms of the goods is ensured, and the vertical pressure of the goods on the surfaces of the stop levers is reduced.

The invention discloses a lentivirus or cell for displaying HLA polypeptide of native conformation, and a preparation method and application thereof, and relates to the field of cell biology. According to the method, a specific HLA presentation system is constructed, so that the new antigen can be accurately recognized and presented, and the recognition efficiency of the new antigen is improved. In addition, the invention further provides a preparation method of the lentivirus or cell with the marker and used for displaying the HLA polypeptide of the native conformation, after plasmid with the marker gene transfects the cell, the cell with a tracing function or a screening function can be obtained, rapid marking and activation of a targeted T cell are facilitated, and the marking efficiency of the T cell is improved. The T cells with neoantigen specificity can more effectively recognize and kill cancer cells, and the immunotherapy effect can be improved.