117results about How to "Long storage time" patented technology

The invention discloses a water quality sampling device for environment detection, which comprises a connecting plate, a connecting block is fixedly connected to the side wall of the connecting plate, a connecting ring is fixedly connected to one side of the connecting block, a driving blade is rotatably connected to the inner wall of the connecting ring, and an electric rotating rod is fixedly connected to one side of the driving blade. The invention relates to the technical field of water quality sampling devices. Through cooperation of a detector, a sliding circular plate, a fixed cone, a sealing plug, a preservative leather bag, a second electric push rod, a telescopic plate, a push plate, a limiting groove, a sealing bin, an extrusion plate, a reset spring, a limiting pipe and an electric telescopic pipe, a storage test tube injected with sampling water can be automatically sealed, and deterioration caused by excessive contact between a water source and air is avoided; meanwhile, a preservative can be automatically added into the sampling water, the preservation time of the sampling water is prolonged, and after a sealing plug in a limiting pipe is used up, a detector detects and reminds an operator that the sampling water is input into a storage test tube in equipment.

The invention relates to an elevation control and precise regulation and control method for frozen sand mold additive manufacturing in a time sequence space. According to the method, a mathematical model that the thickness of floating sand changes along with time due to moisture heat exchange of the frozen sand mold in air is established, and the thickness of the floating sand of frozen sand molds with different curved surfaces under the parameter conditions of different environment temperatures, time scales, sand mold materials, moisture contents and the like is predicted and fed back; and in the freezing printing process, real-time adhesive and height compensation is carried out on sand molds at different wall thicknesses, and the dimensional precision and geometric precision of the frozen sand molds are protected to a certain extent. According to the method, the problem of dimensional accuracy error caused by floating sand generated by heat exchange in air in the manufacturing and subsequent placing processes of the frozen sand mold is effectively solved, and the dimensional accuracy of the sand mold during casting is ensured.

The invention discloses a formula and a preparation method of milk skin yoghurt. The milk skin yoghurt comprises the following raw materials: fresh milk, milk skin, sugar, cream, condensed milk, milk powder, cheese powder, protein powder and carotene. The invention also provides a preparation method of the milk skin yoghurt. The preparation method comprises the following steps: step 1, preparing materials; step 2, cooking: putting the fresh milk into a container, heating the fresh milk in a boiling water bath, and then cooling the fresh milk; step 3, blending: stirring the cooled fresh milk, sequentially adding the rest ingredients, and then cooling; step 4, fermentation: putting the mixture into a fermentation machine for fermentation for more than 8 hours; and step 5, inspecting and packaging. According to the milk skin yoghourt food processed by the method disclosed by the invention, through coordination and complementation of probiotics and various nutritional ingredients, the nutritional value in milk is maintained, the nutritional and health-care effects can be provided, and the milk skin yoghourt food is delicious in taste, unique in taste and wide in market prospect.

The invention discloses a synchronous monitoring system and method for non-methane total hydrocarbon and volatile organic compound components, and belongs to the technical field of environmental monitoring. Comprising an adsorption tube and a monitoring assembly, the adsorption tube is detachably connected with the monitoring assembly, the monitoring assembly comprises a focusing tube, a six-way valve, a four-way valve and a gas chromatograph, and the four-way valve and the six-way valve are each provided with an emptying flow path; the six-way valve is respectively communicated with the focusing tube and the capillary chromatography sampling assembly, and the capillary chromatography sampling assembly, the capillary chromatographic column and the mass spectrometry detector are sequentially communicated; a heating assembly is arranged outside the adsorption tube, a temperature control device is arranged outside the focusing tube, a thermal desorption temperature control area is arranged outside the focusing tube, the six-way valve and the four-way valve, and a column oven is arranged outside the capillary chromatographic column. Synchronous monitoring of non-methane hydrocarbon and VOCs components is achieved through the same monitoring assembly, the occupied space is reduced, the monitoring range is expanded, meanwhile, the sampling volume of the adsorption tube is flexible and controllable, and the sample preservation time is long.

The invention provides a micro-fluidic detection card capable of storage and sequential acquisition, which is sequentially laminated from bottom to top: a substrate layer, a sensing layer and a micro-fluidic chip layer, and the sensing layer comprises a sensing unit; a plurality of detection cavities are formed between the sensing layer and the micro-fluidic chip layer; the sensing unit is integrated in each detection cavity and is also suitable for being connected with a detection serial port; the micro-fluidic chip layer is connected with a central liquid storage cavity, and is also provided with an inlet and an outlet which are communicated with the central liquid storage cavity, and a micro-channel which is sequentially communicated with the inlet, the central liquid storage cavity and the outlet, and the micro-channel sequentially forms a positive guide Tesla valve and a negative guide Tesla valve in the flow direction from the inlet to the outlet; according to the invention, a plurality of detection cavities are designed on the improved Tesla valve structure, micro-liquids refluxed at different times can be separated by using the flow blocking characteristic of the reverse guide Tesla valve, and micro-liquid data at different times can be detected and contrastively analyzed, so that the micro-liquid detection device is suitable for micro-liquid detection.

The invention discloses a large-area continuous MOF membrane and a preparation method and application thereof.The preparation method comprises the following steps that S1, zirconium tetrachloride and 1, 3, 5-tris (4-carboxyphenyl) benzene are dissolved in N, N-dimethylformamide, then formic acid and water are added, the obtained mixed solution is sealed and then placed in a drying oven for heat preservation, then a sulfonating reagent is added, standing is conducted after backflow is conducted for a period of time, and a sulfonating agent is obtained; centrifugally washing with ultrapure water to obtain a uniform dispersion liquid; s2, a substrate is washed in ethyl alcohol and deionized water for standby application; s3, fixing a substrate on a blade coater, blade-coating and tiling the prepared dispersion liquid on the surface of the substrate, and drying to obtain an MOF film; and S4, transferring the MOF film into a vacuum oven to further stabilize the structure. The two-dimensional MOF nanosheet can be conveniently and rapidly prepared by using a solvothermal method, a large-area continuous MOF membrane can be rapidly prepared by self-assembly through a blade coating method, and excellent lithium ion selectivity and permeability are shown under dual regulation and control of a size effect and an affinity effect of a sulfonic acid group.

The invention belongs to the technical field of restoration and protection of paper cultural relics, and discloses a paper deacidification reinforcement microcapsule and a preparation method and application thereof.The preparation method comprises the steps that 1, a chitosan quaternary ammonium salt solution with the mass concentration being 0.2%-5% and a carboxymethylcellulose solution with the mass concentration being 0.2%-4% are stirred for 1-3 hours at the room temperature, and a chitosan quaternary ammonium salt solution is obtained; a chitosan quaternary ammonium salt-carboxymethyl cellulose solution is obtained; (2) dispersing 0.2-0.8 g of nano calcium carbonate in a 95% ethanol solution, and carrying out ultrasonic cavitation to obtain a calcium carbonate-ethanol suspension; and (3) adding the calcium carbonate-ethanol suspension into the chitosan quaternary ammonium salt-carboxymethyl cellulose solution, and carrying out high-speed shearing emulsification to obtain the deacidified and reinforced microcapsule. The deacidification reinforcing microcapsule is simple and convenient to prepare and use, has a good deacidification reinforcing effect, enables paper to be alkaline and anti-aging after being treated, and can effectively improve the durability and prolong the storage life of the paper.

The invention discloses a vertical hotpot condiment packaging machine, and relates to the field of hotpot condiment sealed packaging, the vertical hotpot condiment packaging machine comprises a packaging machine box frame, the packaging machine box frame is provided and connected with a falling channel for hotpot condiments to fall and pass through; a movable limiting mechanism used for limiting the packaging bags is arranged on the upper portion of the falling channel, and the movable limiting mechanism is installed and connected to the packaging machine box frame. A conveying mechanism used for moving and conveying the packaging bags is arranged below the movable limiting mechanism, and the conveying mechanism is installed and connected to the packaging machine box frame. The packaging machine box frame is further provided and connected with a winding and unwinding mechanism used for winding and unwinding the conveyed packaging bags. The packaging machine is used for packaging hotpot condiments, and in the packaging implementation process, the sealing position of a packaging bag can be finely adjusted, so that the sealing effect of the formed hotpot condiment packaging bag is guaranteed, the fresh-keeping effect of the sealed hotpot condiments is guaranteed, and the storage time is prolonged.

The embodiment of the invention discloses a rice seed coating agent based on halloysite nanotubes as well as a preparation method and application thereof, relates to the technical field of seed coating agents, and aims to solve the technical problem that an existing seed coating agent is difficult to meet application requirements. The rice seed coating agent based on the halloysite nanotubes comprises the following components in parts by weight: 5-20 parts of halloysite nanotubes, 5-20 parts of urea, 1-5 parts of an adhesive, 1-2 parts of calcium chloride, 1-2 parts of an insecticide and 2-3 parts of a plant growth regulator. The halloysite seed coating agent provided by the invention is simple in preparation process, and a fertilizer or a pesticide is loaded by utilizing a hollow tubular structure and an interlayer pore structure of the halloysite nanotube. Through combination of multiple functional components, the germination rate of rice seeds can be increased, growth and development of seedlings are promoted, the yield increasing effect is achieved, and the development requirement of green agriculture is met.

The utility model relates to the technical field of preservation devices, in particular to a preservation device for microorganism sampling. The technical problems that according to an existing preservation device, due to the fact that preservation conditions and types of different microorganisms are different, mutual isolation between samples stored in glass bottles is poor, cross contamination is likely to happen when bottle caps are opened and closed for storage, meanwhile, air and other pollutants are likely to enter the bottles when the bottle caps are frequently opened for storing the samples, and the storage time is shortened are solved. The sample is polluted, and the preservation quality of the sample is influenced. According to the technical scheme, the preservation device for microorganism sampling comprises a storage tank, a sealing assembly, a storage assembly and a control assembly; the sealing cover is combined with the sealing strip to be buckled and sealed with the storage tank, so that air and external pollutants are effectively prevented from entering the storage tank, microorganism samples in the storage tank are protected from being influenced by external factors, meanwhile, the situation that the samples in the storage tank are leaked or volatilized to cause deterioration of the samples is avoided, and the storage stability of the microorganism samples is improved.

The invention provides a TPE blood bag membrane material and a preparation method thereof, and solves the technical problems that an existing PVC blood bag membrane material is not environmentally friendly, not resistant to radiation and sterilization, poor in air permeability and the like. The TPE blood bag membrane material is prepared from the following raw materials in percentage by mass: 20 to 50 percent of SEBS, 5 to 20 percent of plasticizer, 30 to 60 percent of POE and 5 to 20 percent of EVA, the preparation method of the TPE blood bag membrane material comprises the following steps: S1, weighing the raw material components in percentage by weight; s2, fully and uniformly mixing the raw material components weighed in the step S1 to obtain a mixture; s3, carrying out melt extrusion and granulation on the mixture weighed in the step S2 through a twin-screw extruder; the method can be widely applied to the technical fields of polymer materials and medical application.

The application discloses a preparation method of soybean oil body with antioxidant effect, and relates to the field of food processing and storage. The inner core of natural soybean oil body is hydrophobic triglyceride, which is lipophilic, and the outer part is covered by a phospholipid-oil body protein film, which is hydrophilic. The application utilizes the structural characteristics of natural soybean oil body with amphiphilicity, couples small-molecule compounds with antioxidant effect with soybean oil body protein, and wraps the antioxidant active substances into the inner part of the soybean oil body to prepare soybean oil body composite particles with antioxidant effect. The application improves the antioxidant capacity and storage stability of the soybean oil body.

The present invention provides an additive for slowing down spontaneous activation of platelets in vitro. The additive of the present invention comprises two functional components, a platelet activation inhibitor and a blood anticoagulant, wherein the platelet activation inhibitor is used to slow down spontaneous activation of platelets in vitro, and the blood anticoagulant is used to prevent blood coagulation. The platelet activation inhibitor comprises a certain proportion of theophylline and aspirin. The present invention has found that the combined use of a certain proportion of theophylline and aspirin has a better effect of slowing down spontaneous activation of platelets in vitro than the single use of the two, and has a significant synergistic effect. The blood sample using the above additive can be stored at room temperature for 36 hours to meet clinical detection needs, greatly extend the storage time of the sample, and improve the accuracy of the detection.

A method for cryopreservation and recovery of larch olgensis embryogenic callus relates to the biotechnology field of forest breeding, and comprises the following steps: selecting an embryogenic cell line induced by immature seeds of larch olgensis, and subculturing the embryogenic cell line for 3-5 days to obtain embryogenic callus as a standby material; carrying out gradient pre-culture at the molar concentrations of 0.2 mol / L and 0.4 mol / L in sequence, wherein the culture is carried out at each concentration for 20-48 hours; after pre-culture, putting the embryogenic callus into a freezing tube, and adding a sterile freezing protection solution; and putting the freezing pipe into a programmed cooling box for programmed cooling, and immediately putting the freezing pipe into a liquid nitrogen biological container for storage. The method disclosed by the invention is simple and convenient in operation steps and obvious in effect, the subculture age limit of the larix olgensis embryonic callus is slowed down, and relatively good cell viability and development potential in the initial stage of induction are maintained, so that the occurrence of variation is effectively reduced, manpower and material resources consumed by long-term subculture materials can be saved, and the production cost is reduced. The method is of great significance to theoretical and practical application research of larix olgensis.

The invention belongs to the technical field of supramolecular gels, and relates to a tooth whitening gel and a preparation method thereof, the tooth whitening gel is prepared from the following raw materials: a hydrogen peroxide aqueous solution, a glycyrrhizic acid compound, polyvinyl alcohol, carbomer, glycerin and water; the polyvinyl alcohol and the glycyrrhizic acid compound generate a first cross-linked network structure, and the carbomer and the glycyrrhizic acid compound are self-assembled to form a fibrous aggregate to form a second cross-linked network structure; the second cross-linked network structure and the first cross-linked network structure cooperate to fix hydrogen peroxide molecules. According to the hydrogen peroxide gel, the viscosity, the stability and the coating property of the gel are synergistically improved by constructing a double-network structure, the concentration of hydrogen peroxide can be adjusted according to requirements, the preservation time is long, and the tooth whitening capability is high; the potential leakage risk of the hydrogen peroxide solution in the storage, transportation and application processes is reduced, and the requirements of people on tooth whitening are met.

The present application provides a liquefaction combination product for viscous biological samples, a nucleic acid amplification system, a nucleic acid detection system, a processing method and applications. The liquefaction combination product comprises a component a and further comprises or does not comprise a component b; the component a is an aqueous solution I or a mother liquor of the aqueous solution I comprising the following components: acetylcysteine 3% to 15% (w / v), sodium chloride 20 mM to 500 mM, potassium chloride 50 mM to 120 mM and 50 to 1000 mM strong base, calculated as monobasic base; the component b is citric acid or an aqueous solution thereof. Through the synergistic effect of the above components, the liquefaction combination product can directly and quickly fully liquefy the viscous biological sample at room temperature, can avoid the sample pollution problem caused by aerosol generated by heating, and does not need to perform complex steps such as heating. The sample processed by the liquefaction combination product can stably store nucleic acid, and can realize extraction-free amplification and extraction-free detection.

The invention discloses a cyclic tea extraction system, relates to the technical field of tea extraction, and solves the problems that when an existing tea extraction system cleans tea, the tea is often adhered and attached to a filter screen, so that the working difficulty of cleaners is increased, pollution may be caused due to complexity of manual cleaning, and the cleaning efficiency is high. And the overall efficiency of tea extraction is reduced. Comprising a tea extraction tank, a tank cover arranged on the top surface of the tea extraction tank, a mounting base arranged in the tank cover and an electric valve arranged on a water outlet in the bottom of the tea extraction tank, and the electric valve is connected with an eduction tube; the mounting frame is arranged on the tank cover, and the inner bottom surface of a port of the mounting frame is connected with a filter plate; according to the tea leaf cleaning device, tea leaves are rapidly and automatically sucked out, the cleaning efficiency is remarkably improved, the risk of secondary pollution possibly caused by manual cleaning is effectively avoided through negative pressure suction force, the labor burden and difficulty of follow-up cleaning personnel are relieved, and cleanliness and sanitation of the extraction environment are guaranteed.

The invention discloses a seasoning composition for meat product processing and a processing method thereof. Comprising the following raw materials in parts by weight: 2-4 parts of fructus amomi, 1-4 parts of netmeg, 5-7 parts of radix angelicae, 5-7 parts of fennel, 5-7 parts of anise, 0.1-2 parts of clove, 5-7 parts of pericarpium citri reticulatae, 2-4 parts of cinnamon, 2-4 parts of amomum tsao-ko, 2-4 parts of magnolia flower, 2-4 parts of carpesium abrotanoides, 5-7 parts of galangal, 2-4 parts of rhizoma kaempferiae, 2-4 parts of myrcia and 5-7 parts of angelica sinensis. The seasoning composition has the advantage of being consistent in flavor, and the problems that in the processing process of an existing seasoning composition for meat product processing, various spices cannot be conveniently extracted into solutions to be used, when a powdery seasoning is used for pickling and boiling a meat product, meat at some parts may absorb too much flavor of the spices, and the taste of the meat is affected are solved. The taste of other parts is insufficient, so that the flavor consistency of the final product is influenced.

The invention relates to the technical field of prostate cancer detection, in particular to a prostate cancer marker NEK5 reagent and application thereof, and discloses application of molecules for detecting NEK5 protein in preparation of a kit or a detection reagent for predicting the malignancy degree or prognosis degree of prostate cancer. The invention also discloses a kit for predicting the malignancy degree or prognosis degree of the prostate cancer, which comprises an endogenous peroxidase blocking agent, animal non-immune serum, a primary antibody, a biotin-labeled secondary antibody, streptomyces avitin protein-peroxidase, a DAB color developing agent and a phosphate buffer salt solution, the relation between the expression level of the NEK5 and the Gleason score of the prostate cancer patient is elaborated for the first time, the kit applies the expression of the NEK5 protein to the prostate cancer patient for the first time, and a reliable method can be provided for predicting the malignancy degree of the prostate cancer patient according to the expression of the NEK5 protein, so that the malignancy degree of the prostate cancer patient is predicted.

The invention belongs to the technical field of microorganisms, and discloses preparation, separation and purification methods and application of lactobacillus casei IOB-P9 anti-helicobacter pylori active substance separation.The preparation, separation and purification methods of the active substance separationcomprises the following steps that lactobacillus casei IOB-P9 is cultured, and active ingredients are prepared; performing macroporous adsorption chromatography separation on the active ingredients; separating active components by an anion exchange method; performing gel filtration chromatography separation on the active ingredients; and verifying the activity of the active component to obtain the active component of the lactobacillus casei IOB-P9. Active substances in the lactobacillus casei IOB-P9 obtained according to the method have certain sensitivity to protease, which indicates that the bacteriostatic active substances are protein or peptide substances. In addition, the bacteriostatic active substance has better thermal stability, is not easy to dissolve in organic reagents and has long preservation time, so that the bacteriostatic active substance is beneficial to storage and transportation and has higher production and application values.

The application discloses a kind of based on nano-silver-porous silicon simultaneously SERS detection variety of mycotoxin biochip sensor and its preparation method and application, the sensor includes SERS substrate and SERS label two parts compositions, SERS substrate is by porous silicon surface magnetron sputtering on silver nanoparticles and silver nanoparticles surface connection three kinds of mycotoxin artificial antigen composition, SERS label is connected with nile blue and corresponding mycotoxin antibody gold nanoparticles.The application can be combined by each mycotoxin and porous silicon silver surface mycotoxin artificial antigen mycotoxin antibody on SERS label, by detecting the Raman signal of NBA on SERS label surface, realize three kinds of mycotoxin simultaneous quantitative analysis, detection speed is fast, sensitivity is high, while various toxins in gualou, malt and kudzu root recovery rate is all greater than 75%, the coefficient of variation of same batch is less than 5.2%, and the coefficient of variation of different batches is less than 7.8%.

The invention discloses a blue zirconia ceramic and a preparation method thereof, and the preparation method comprises the following steps: powder mixing modification: mixing zirconia powder, alumina powder and cobalt oxide powder with an alcohol solvent, carrying out ball milling to uniformly mix the powder, adding a surface modifier to modify a ball milling suspension, and drying at 50-80 DEG C for 24-36 hours to obtain the blue zirconia ceramic. The dried powder is sieved, and lipophilic hydrophobic powder is formed; preparing a printing paste material: respectively adding a dispersing agent, a photoinitiator and light-cured resin into the lipophilic hydrophobic powder, and mixing to obtain the printing paste material; printing: printing the printing paste by adopting an SLA-3D printing technology to obtain a ceramic blank; soaking and washing; degreasing and sintering: degreasing and sintering the air-dried ligand in nitrogen; sintering in an oxygen environment to obtain a product; the invention has the advantages of uniform color distribution, stable material, long preservation time, high production efficiency and low cost.

This utility model discloses an influenza virus detection structure, including a shell, a sample pad, a conjugate pad, a nitrocellulose membrane, and gold-platinum nanoparticles. Nanoparticles are adsorbed onto the conjugate pad via electrostatic interaction. The gold-platinum nanoparticles are immobilized on the surface of the nanoparticles using a thiolized antibody. A pore size gradient transition layer is provided between the sample pad and the nitrocellulose membrane. The conjugate pad is surface-modified with low-density silane to encapsulate the gold-platinum nanoparticles. In this influenza virus detection structure, the gold-platinum nanoparticles are immobilized on the surface of the nanoparticles using a thiolized antibody. A hydrophobic band divides the conjugate pad into a fourth, third, second, and first conjugate pad. Different proportions of gold-platinum nanoparticles are set in the four regions to distinguish different influenza viruses. Furthermore, the gold-platinum nanoparticles provide high sensitivity, facilitating the detection of samples with low viral loads.

This invention provides a test tube storage device, belonging to the field of test tube storage technology. It includes a storage box, with a storage cover rotatably connected to one side of the upper surface of the storage box. A storage base plate, test tube rack, fixing components, a cooling plate, and a cooling fan are inserted into the lower surface of the storage box. This invention utilizes a design where a desiccant packet is placed inside the heat dissipation base after the heat dissipation cover is opened. The desiccant packet absorbs water, reducing condensation from the cooling element flowing into the heat dissipation base and outwards. The heat dissipation element dissipates heat from the cooling element, and the cooling fan draws heat from the cooling element into the heat dissipation base and expels it outside. The cooling element cools one end, and the cooling fan draws air from the storage box into the top of the cooling element for further cooling. The cold air is then expelled from the outlet into the storage box, further cooling it. This method preserves samples stored in test tubes within the storage box, slowing down sample metabolism and degradation, effectively inhibiting microbial growth and reproduction, and extending sample preservation time.

The invention relates to a lornoxicam injection preparation and a preparation method thereof, comprising the following steps: adding edetate disodium and tromethamine to water for injection, adding lornoxicam raw material medicine after dissolving, adding mannitol after dissolving, cooling while dissolving, and adding water for injection to the prescribed amount; wherein, before cooling, the temperature of the water for injection is maintained at 45-70° C. The lornoxicam injection preparation prepared by the invention has a fast dissolution speed, reduces the generation of by-products, ensures the stability and solubility of the finished product, and the sample preparation process is simple and convenient, and is suitable for large-scale production.

This utility model provides a recyclable, biodegradable, and environmentally friendly ink-absorbing needle-punched nonwoven fabric, relating to the field of nonwoven fabric technology. It includes: a nonwoven fabric body; the nonwoven fabric body has a three-layer composite structure, with an upper dense surface layer and a lower dense surface layer, and a middle loose support skeleton. Both the upper and lower dense surface layers are composed of fibers with a diameter of 2 micrometers. A nanofiber cellulose film with a thickness of 8 micrometers is laminated to the surface of the nonwoven fabric body. The nonwoven fabric body has a three-layer composite structure, with upper and lower polylactic acid dense layers (2 micrometers in diameter, each accounting for 20% of the total thickness) controlling ink diffusion and improving strength, and a middle loose support skeleton (6 micrometers in diameter, accounting for 60%, with a porosity of 75%) storing and penetrating ink. The three-dimensional structure is formed by needle punching at 200 needles / cm². The film contains 3% titanium dioxide for UV resistance. Both polylactic acid and nanofiber cellulose are biodegradable materials, suitable for printing, medical, and packaging fields, balancing environmental friendliness, printing performance, and functionality.

The utility model provides an air conditioning device and a refrigerating and freezing device. The air conditioning device comprises a reaction assembly and a liquid supplementing container. The reaction assembly comprises a bin body and an electrolysis assembly, the electrolysis assembly is assembled on the bin body, a reaction space is formed in the bin body or the bin body and the electrolysis assembly are enclosed to form the reaction space, and the reaction space is used for carrying out electrochemical reaction in the reaction space so as to consume oxygen in the storage space outside the bin body. A liquid supplementing space communicated with the reaction space is formed in the liquid supplementing container, and the liquid supplementing container is used for storing and supplementing electrolyte into the reaction space; and the liquid supplementing container is also provided with a transparent window which is arranged between the inner side and the outer side of the liquid supplementing space in a separating manner, and the transparent window is used for enabling the electrolyte stored in the liquid supplementing space to be visible from the outside of the liquid supplementing space. According to the air conditioning device and the refrigerating and freezing device, the problem that an existing air conditioning device is prone to insufficient electrolyte can be solved, and the effect of improving user experience is achieved.

The invention discloses a method for medium-short-term preservation and growth recovery of pinellia ternate. The method comprises the steps of material culture and disinfection, second-generation test-tube plantlet and second-generation tuber culture, medium-short-term preservation of third-generation tubers, growth recovery and propagation expansion. The Pinellia ternate medium-short term preservation technology can be applied to Pinellia ternate germplasm resource preservation, compared with field preservation, the Pinellia ternate medium-short term preservation technology can greatly save manpower and material resources, is easy and convenient to operate and not prone to being attacked by natural disasters, has the advantages of being small in occupied space, low in preservation cost, long in preservation time, stable in heredity and the like, and Pinellia ternate germplasm can be preserved in a medium-short term.

The utility model relates to the field of corrugated cartons, in particular to a corrugated carton convenient to use, which comprises a carton body, one long edge of the top of the carton body is connected with a clamping type cover plate component, the side edge of the clamping type cover plate component is connected with an overturning fixing plate, and two ends of the overturning fixing plate are respectively connected with an overturning limiting plate. A U-shaped inner lining plate is arranged in an inner cavity of the carton body, L-shaped plates are arranged on the two sides of the U-shaped inner lining plate respectively, connecting plates are connected between the tops of the L-shaped plates and the U-shaped inner lining plate, limiting cavities are formed between the L-shaped plates and the side walls of the carton body, and the horizontal side edges of the L-shaped plates are fixedly connected with the bottom of the carton body. The clamping type cover plate assembly is reasonable in structure, the overturning type limiting plates at the two ends of the overturning fixing plate rotationally stretch into the limiting cavity, the opening of the carton body is sealed through the clamping type cover plate assembly, and the convenience of opening and closing is enhanced.

The present invention relates to a kit and method for simultaneously detecting IL-6, IL-21 and T cell CD4 surface molecules in lymphoid tissue, belonging to the field of biomedicine; the kit comprises quantum dots for labeling IL-6 antibodies, quantum dots for labeling IL-21 antibodies, and quantum dots for labeling CD4 antibodies; the antibodies labeled by quantum dots specifically bind to antigens in lymphoid tissue respectively; CD4T cells have the ability to secrete IL-6 and IL-21, and the relationship between them and IL-6 and IL-21 reflects the tissue immune activity. The present invention provides a kit for simultaneously detecting IL-6, IL-21 and T cell surface molecules in lymphoid tissue, locating the spatial relationship between two cytokines and T cells, calculating and analyzing the corresponding fluorescence intensity, and evaluating the immune situation; the kit has the advantages of high fluorescence intensity, accurate detection results, wide spectrum selection, wide applicability, stable fluorescence structure, long storage time, high sensitivity, good specificity, etc.