346results about How to "Complete form" patented technology

The invention discloses a prediction and evaluation technology of 3D seismic optimum time window river channel sand body reservoirs, belongs to the technical field of the prediction and evaluation of the 3D seismic reservoirs, and aims at solving technical problem that the river channel predictive resolution of the traditional methods is not enough. The technical proposal is as follows: the 3D visualization scanning is performed on each reservoir at the interval of 1-2ms, the optimum time window is determined according to the scope shown by the target river channel, the corresponding subfield is cut out, clairvoyance and scanning are carried out on the time window properties, such as root-mean-square amplitude, wave impedance and the like, auto-tracing is performed, top surface and bottom surface are picked up, a time isopach map is calculated and converted into a sand body isopach map, a top surface structure diagram is formed by time-depth conversion, and the reservoir physical properties are evaluated by curve reconstruction, thus realizing the prediction and evaluation of the plane morphology, longitudinal thickness and the reservoir physical properties of the river channel sand body. The method adopts the optimum time window to effectively inhibit interference, is applicable to various data volumes, and can effectively predict and evaluate a thin river channel sand body with the thickness far less than 1 / 4 of a wavelength under the condition of frequent interbedding of sand and mudstone, the thin river channel sand body comprises the river channel sand body which is not corresponding to wave crest or wave trough, and the method has good application effect in petroleum exploration and development.

The invention belongs to the technical field of food processing and specifically relates to a flavored low-fat white mushroom crisp chip and a preparation method thereof. The flavored low-fat white mushroom crisp chip comprises the following materials in parts by weight: 1000 parts of white mushrooms, 5-10 parts of konjac glucomannan, 10-80 parts of chitosan, 10-60 parts of salt, 60-200 parts of isolated soybean protein and 40-200 parts of a nutrition balancing agent. The preparation method comprises the following steps: pre-treating the white mushrooms, preparing impregnation liquid, carrying out vacuum soaking and ultrasonic coating, carrying out quick-freezing and slicing, carrying out vacuum frying and dehydrating, removing oil, and packaging. The prepared flavored low-fat white mushroom crisp chip has the advantages of being low in fat content, uniform in color, crisp in mouthfeel, full in nutrition, complete in product shape and almost free of fractures.

The invention relates to a preparation method and an application of magnetic activated hydrothermal biochar microspheres. The method comprises the following steps: subjecting aquatic plant powder, an iron salt catalyst and deionized water to a hydrothermal reaction in a reaction kettle to prepare the hydrothermal biochar microspheres; completely mixing the hydrothermal biochar microspheres, FeCl3, ZnCl2 and the deionized water and drying the mixture; placing the dried mixture sample into a box type atmosphere furnace, performing final temperature pyrolysis at the target temperature under the condition of nitrogen protection, so as to prepare the magnetic activated hydrothermal biochar microspheres. The magnetic activated hydrothermal biochar microspheres prepared by the method can effectively adsorb and remove a large amount of heavy metal lead and copper in water, the composite material prepared by the method can also be added into soil containing excess amounts of lead and copper, the biological effectiveness of lead and copper in the soil is reduced, and the purpose of controlling heavy metals is achieved.

The invention relates to a production method of a low-cost meltable metal mold core for titanium alloy precise-investment casting. In the method, low-melting-point metal, such as aluminum, magnesium or zinc and aluminum alloy, magnesium alloy or zinc alloy, is used to prepare a mold core of a casting mold for titanium alloy casting, and the mold core has a tubular structure with a set thickness; the formula determining the thickness of the mold core is L is equal to the quotient of the product of KM, K and G (cast product) divided by G (core), wherein KM represents the coefficient of a metal type of the mold core, G (cast product) represents the weight of a cast product; K represents a proportionality coefficient within the range from 2.4 to 4.5, G (core) represents the weight of a core; after the mold core is prepared, a mixed dilute oxide coating is sprayed on the surface of the mold core, and the mold core is carried out the mold formation, is positioned according to the structure of a cast mold, thus can be used for casting. The invention can be operated simply. Moreover, since the mold core is softened or liquefied after the cast product is solidified, the yield is high. The structure of the mold cavity of the cast product can be completely formed, the surface thereof is smooth, and the forming efficiency thereof is high. In addition, the mold core can be treated simply with an ordinary electric furnace after being cleaned, so as to be repeatedly used for mold core preparation, thereby reducing the cost.

The invention relates to the field of pet food, and in particular relates to a preparation method of edible jerky and calfskin, pigskin and fish skin biting chew for a pet. According to the preparation method disclosed by the invention, poultry, livestock meat or bright flesh of fish or fresh skin of animals such as pig, calf and fish is taken as raw material, the raw material is minced and chopped, moulded and frozen and then split, or the raw material is directly split and then frozen, or the raw material is split into the required shape and then frozen, subsequently microwave vacuum dryingis carried out, and sterilizing and packaging are carried out, and thus the edible jerky or calfskin, pigskin and fish skin biting chew for the pet is obtained. The edible jerky or calfskin, pigskin and fish skin biting chew finished product can show primary colour of raw meat, has a strong meat flavour and maintains nutrition of a meat product while a food calling function is realized. The edible jerky or calfskin, pigskin and fish skin biting chew can be taken as a meat snack for the pet and also can be taken as a nutritional supplement for an old-aged dog or little dog after being rewatered and torn up.

The invention discloses a production method of sauce fragrant duck neck. A sauce fragrant duck neck product comprises the following raw material: duck neck, refined salt, sauce, beer, white granulated sugar, pepper, red pepper, star anise, cassia bark, common fennel, amomum fruit, common nutmeg, tsaoko, galanga, rhizome of galange resurrectionlily and fresh ginger. Marinade in the novel sauce fragrant duck neck adopts the beer and more than ten types of spices, and the beer is coordinated with the spices and has synergistic effect with the spices, so that the sauce fragrant duck neck product has strong sauce fragrance, and also has unique fragrance of the beer, the smell of meat is mellow, the taste of the product is enriched, and the nutrition of the product is improved. No artificial preservative is added when the product is produced, and only purely natural spices and seasoners are selected, so that the product has good taste, unique flavor and unique flavor and efficacy of the beer.

The invention relates to a mineralization guided tissue regeneration membrane and a preparation method and application thereof, wherein the mineralization guided tissue regeneration membrane comprises: a loose layer formed by compositing type I collagen and nano hydroxyapatite; a compact layer positioned on the loose layer and formed from type collagen. The double-layer mineralization guided tissue regeneration membrane is constructed herein, wherein the loose layer is consistent to autogenous bone in terms of composition, and the membrane may be attached to diseased oral bone defect surface to induce the generation of new bones; the surface of the compact layer is smooth, a diseased area may be isolated from surrounding tissues by making good use of physical barrier function of the membrane, regenerating capacity of a specific tissue is given to maximum play, and the prepared mineralization guided tissue regeneration membrane has high tensile strength and elasticity.

The invention relates to the technical field of cell culture, and particularly relates to a culture method of mesenchymal stem cells. In the culture method, a serum-free culture medium optimized by the invention is used for culturing the mesenchymal stem cells. In addition, the invention further provides a better culture method for 3D culture. The cells obtained by the culture method disclosed bythe invention are strong in proliferation capacity, intact in shape and strong in secretion capacity, and are in accord with the international quality control standards of the mesenchymal stem cells.Meanwhile, according to the culture method disclosed by the invention, a large number of mesenchymal stem cells (particularly human umbilical cord mesenchymal stem cells) can be obtained by amplifyinga small number of mesenchymal stem cells under the conditions of small space occupation, less culture medium consumption, simpler and more convenient operation and greatly reduced workload; and a solid technical scheme and a theoretical basis are provided for obtaining a large number of high-quality mesenchymal stem cells (especially human umbilical cord mesenchymal stem cells) and secretions thereof in the clinical field.

The present invention relates to a lectin-macromolecule carrier coupling compound for separating a glycosylated exosome in a clinical sample. The lectin-macromolecule carrier coupling compound comprises a macromolecule carrier; and lectin coupled to the outer side of the macromolecular carrier. The lectin-macromolecular carrier coupling compound provided by the invention can be used for simply, conveniently, rapidly and accurately separating the glycosylated exosomes in the clinical sample; the compound is simple in operation, high in separation efficiency and good in repeatability, and the separated exosome is complete in form and free of breakage or fragmentation and can be directly used for glycosylated exosome liquid detection or directly used for immunological related detection or directly used for gene detection and analysis by extracting related nucleic acid in the exosome.

The invention discloses a tea packaging tin and a manufacturing method thereof. The tea packaging tin comprises an aluminum tin body and an aluminum top cover film welded to the opening end of the aluminum tin body in a sealing mode. The side wall of the upper portion of the aluminum tin body is recessed inwards in the radial direction to form an annular groove. According to the tea packaging tin and the manufacturing method thereof, the tea packaging tin is made of aluminum, has drop resistance and extrusion resistance, and is reliable in sealing and suitable for one-time brewing, and the problem of a tea surplus is solved.

The invention belongs to the field of cell treating fluid, and particularly relates to alkali solution based cell preservation treating fluid and a preparation method thereof. The alkali solution based cell preservation treating fluid is mainly composed of an egg white dissolution agent, a red blood cell cracking agent, an alkaline substance, a corrosion remover and distilled water. The alkali solution based cell preservation treating fluid is mainly used in cooperation with a membrane type liquid based thin-layer cell slide preparation machine and can enhance the cell adhesion capability of a modified glass slide, promote cervical cell enrichment so as to firmly attach cervical cells to the specially-prepared glass slide and effectively reduce the phenomenon of leak detection. Meanwhile, the novel alkali solution based cell preservation treating fluid has the advantages of being free of toxicity, environmentally friendly, capable of rapidly and thoroughly achieving sterilization, low in cost, convenient to configure, safe and efficient.

The invention relates to a processing method for convenient rice wine soaking duck food, which belongs to the technical field of meat product processing. A fresh or frozen duck without viscera serves as raw materials, and the duck is orderly processed into rice wine sauce, a duck neck, a duck tongue and duck wings to obtain the convenient rice wine soaking duck food. The processing technology andparameters, brine and a drunk brine formula are determined. The fishy smell of the raw materials is eliminated by precooking and rising modes, the wine soaking time is shortened with a vacuum wine soaking slot, and the wine soaking consistency is enhanced. The vacuum packaging is integrated with a high temperature sterilization technology to ensure the food hygiene and the guarantee period. Soup made of the duck skeleton is used for processing the convenient rice wine soaking duck food so as to enhance the utilization ratio of the raw materials. The convenient rice wine soaking duck food has the flavors of the duck, the duck neck, the duck tongue or the duck wings and the rice wine, and has strong flavor of rice wine but no preservatives. The package of the convenient rice wine soaking duck food is small, and the convenient rice wine soaking duck food can be instantly eaten after being opened. The convenient rice wine soaking duck food is stored at the normal temperature, and the guarantee period of the convenient rice wine soaking duck food is longer than or equal to six months.

The invention belongs to the technical field of food processing, and in particular relates to a compound fish scale peptide and calcium compound chewable tablet for antioxidation and calcium supplementing and a preparation method thereof. The preparation method comprises the following steps: cleaning fish scales and stoving; pulverizing the dry fish scales; adding distilled water and alkaline protease to the pulverized fish scale powder for hydrolysis, heating for enzyme inactivation after the hydrolysis, filtering, concentrating and drying the filtrate to obtain fish scale antioxidant peptides, and collecting residue; and adding an aqueous citric acid solution to the residue, extracting, standing and filtering, recovering the resulting precipitate, and pulverizing to obtain fish scale calcium citrate. The products of the fish scale peptide and calcium compound chewable tablet of the invention is prepared by mixing fish scale antioxidant peptides, fish scale calcium citrate, whole milk powder, compressible starch, glucose, sucrose, citric acid, malic acid, food flavor, magnesium stearate, etc., crushing and sieving and tabletting forming. According to the present invention, the peptide extraction rate is 72.3-85.9% scale, and the calcium recycling rate is 67-78%. The preparation method of the invention is simple and practical, and the product of the invention has good taste and stability.

The invention discloses a low pressure casting method for a lattice sandwich plate and relates to a method for manufacturing the lattice sandwich plate. The invention solves the problems, such as difficult complete formation and high defect rate of the lattice sandwich plate resulted from the current manufacturing methods. The method according to the invention comprises the steps: producing a wax pattern, pasting and drying the surface, the adjacent surface and the back of the wax pattern; heating and demoulding the wax pattern to obtain the profile shell of the lattice sandwich plate; and in the end, obtaining the lattice sandwich plate by lifting, filling and pressure maintaining with a low pressure casting machine. The method combines investment pattern precision casing technique, rapid prototyping manufacturing technique with low pressure casing technique so as to result in the lattice sandwich plate with complete formation and low defect rate.

The invention provides a ration formulation of a TMR forage for promoting goat recovery after production and a breeding technology. The invention is characterized in that the forage is divided into four stages that a first stage is for 1-10 days, a second stage is for 11-20 days, a third stage is for 21-30 days and a fourth stage is for 31-120 days. The formula for the first stage is a ration formulation of a basic forage prepared by a fine forage and a crude forage with a ratio of 5.0 : 5.0; the formula for the second stage is a ration formulation of a basic forage prepared by a fine forage and a crude forage with a ratio of 4.5 : 5.5; the formula for the third stage is a ration formulation of a basic forage prepared by a fine forage and a crude forage with a ratio of 4.0 : 6.0; and the formula for the fourth stage is a ration formulation of a basic forage prepared by a fine forage and a crude forage with a ratio of 3.5 : 6.5. The TMR forage can be prepared with a large amount for one time, and stored in packages, thereby being convenient to use, and facilitating mechanized operations and commercial promotion.

The invention belongs to the field of processing aquatic products, and particularly relates to a fresh shrimp preservative, and a preparation method and a usage method thereof. The fresh shrimp preservative comprises the following compositions in percentage by weight: 1.5-2.1% of chitosan, 5-6% of phytic acid, 0.8-1.2% of citric acid, 15-18% of minced raw garlic, 8-10% of edible vinegar, and the balance being yellow rice wine. Proved by repeated experiments, the fresh shrimp preservative is relatively good in anti-microbial preservation effect as compositions are organically combined, the melanism occurrence of shrimps in the refrigeration process can be effectively inhibited, the increase of total bacteria number and volatile basic nitrogen can be effectively postponed, and the preservation period can be prolonged.

The invention relates to the technical field of food processing and particularly discloses a method for dry method rice meal preparation, rice meal for fresh rice noodles, rice meal for baked foods and rice meal for cooked foods. The preparation method sequentially comprises the steps of tempering, rice blending and grinding, wherein the tempering means that the moisture content of rice is adjusted to 16-25% and the rice moistening is performed for 12-18 h; reasonable rice blending is performed according to product usage and quality requirements; the grinding means that a roller mill is adopted to perform grinding, and a material is sieved through a sieve with 100-160 meshes, and the material placed above the sieve is placed in a Raymond mill to undergo secondary grinding. The rice meal prepared through the preparation method is low in damage starch ratio, multi-purpose rice meal such as the rice meal for fresh rice noodles, the rice meal for baked foods and the rice meal for cooked foods can be produced, and the method is favorable for industrial production and has the advantages of being high in production efficiency, low in energy consumption, high in raw material utilization rate and free of pollution.

The invention discloses a production method for high-chewiness instant roasted chicken wings. The production method comprises the following steps of: unfreezing frozen chicken wings by flowing water or directly selecting fresh chicken wings, residual feathers of which are removed by pulling, washing, and draining for use; soaking the dried chicken wings in a prepared salting solution; draining the chicken wings taken out of the salting solution, and drying the chicken wings to be in a semi-dry state in which the water content of wing roots at a wet basis is 40%-45% by hot wind at the temperature of 80-90 DEG C; roasting the dried chicken wings in a high-temperature oven at the temperature of 165-175 DEG C, overturning once per 5-8 minutes, and stopping the roasting until the water content is 30%-33%; and packaging and sterilizing. The produced instant roasted chicken wing is ready to eat after a package bag is opened, and is red bright and solid in appearance, rich in roast flavor, unique in mouth feel and high in chewiness; the salting solution is high in sugar content and yellow wine content, thereby enabling the instant roasted chicken wing to be sweet and delicious and unique in roast flavor; the water content of the instant roasted chicken wing is controlled to be 30%-33%, thereby enabling the instant roasted chicken wing to be high in chewiness and easier to store.

A mulberry twig bark and core separation and granulation combined machine comprises a bark and core separation device and a mulberry twig granulation device, wherein a transferring roller is arranged between the bark and core separation device and the mulberry twig granulation device. The mulberry twig bark and core separation and granulation combined machine is good in bark and core separation quality, the separation rate can reach 90%, separated mulberry barks are complete in shape, is small in damage to fibers and contains few impurities like wood chips, manufactured core rod aggregate particles are uniform in size, contain a little dust and a few large-particle materials, and can meet the process requirements on raw materials when mulberry extraction fibers and core rod aggregates are directly used for producing mulberry twig fiber boards, paper and fungus culture media, and the comprehensive utilization rate of the mulberry twigs is high. The mulberry twig bark and core separation and granulation combined machine is high in mechanical continuity degree, only the mulberry twigs are fed manually, product transportation, mulberry twig bark and core separation, mulberry bark collection, core rod granulation and collection and links between the work procedures are all automatically and continuously finished by equipment, a little work time is used, and production efficiency is high.

The invention provides Annexin V-FITC exosome capture affinity magnetic beads, a preparation method thereof and an extraction method. The extraction method mainly comprises the following steps: (1) expression and purification of Annexin V, preparation of Annexin V-FITC, and construction of Annexin V-FITC exosome capture affinity magnetic beads; (2) cell culture and supernatant separation and concentration: separating out cell culture supernatant after the cell culture, and carrying out concentration treatment; (3) exosome extraction: co-incubating the cell culture supernatant obtained in the step (2) with the exosome capture affinity magnetic beads to obtain an affinity magnetic bead-exosome compound; and (4) exosome eluting: co-incubating the obtained affinity magnetic bead-exosome compound with an eluent, and collecting the eluent so as to obtain an extracted and separated exosome product. The exosome capture affinity magnetic beads disclosed by the invention can be repeatedly used and are convenient to extract, and the purity of the extracted exosome is high.

The invention discloses a preparation method of polygonum multiflorum black tea. The preparation method comprises the following steps: picking polygonum multiflorum stem leaves to dry and air until the leaves are soft; withering and twisting until juice seeps from the stem leaves, wherein the leaves are soft and adhesive, and cannot be broken; frying the stem leaves in a tea frying machine at 60-70 DEC G for 20-30 min, taking out the stem leaves when the juice is dried, and twisting the stem leaves for forming, after which the polygonum multiflorum gradually turns yellow; performing natural fermentation, at the humidity of 60-80% for 4-10 hours, wherein the completion sign of the fermentation is that the stem leaves turn from yellow to red; baking: uniformly placing the fermented stem leaves into a baking machine with the initial baking temperature at 90 DEG C, increasing the temperature to 120 DEG C after 1 hour, continuously baking for 3 hours until the tea is puce, opening the baking machine, smelling the tea, and if the tea still has the smell of herbs, continuing to bake until the smell is gone. The polygonum multiflorum black tea has a health-care effect, is low in cost, has a mellow taste, and is intact in appearance.

The invention relates to regenerated particles and a method thereof for preparing a particle board, and the method comprises the steps of breaking the waste particle board, then blasting, preparing the regenerated particles, and mixing the prepared regenerated particles with new particles for preparing the particle board. The method separates the particles by breaking a rubber layer of the waste particle board through blasting, thereby keeping the shape of the original particles complete, and having small affects on physical and chemical properties of the particles; furthermore, the high-temperature steaming treatment of wood can improve the plasticity of the wood, and the performance indexes of the particle board prepared by utilizing the regenerated particles can meet the requirements of the national standards for the particle boards (GB / T4897.2-2003 and GB / T17657-1999).

The invention discloses an enrichment method of platelet cell factor concentrates. The method comprises the steps as follows: whole blood is taken, platelets are collected, a cell suspension is prepared with normal saline, subjected to ultrasonic crushing multiple times under the ultrasonic power of 100-200 W and crushed for 1-60 s each time, a crushed mixed solution is filtered, filtrate is taken, and the platelet cell factor concentrates are obtained. The obtained platelet ultrasonic lysates (cell factor concentrates) comprise TGF-beta, PDGF, IGFs, FGFs, EGF, VEGF and the like, have multiple bioactivities, can increase cartilage cell activity of organisms and promote stem cells to proliferate and differentiate and contributes to regeneration and repair of cartilages and bone tissue. The composition can be prepared in the form of injection, powder and the like and has excellent application prospects in the medical bone tissue engineering field.

The invention discloses a Folium Artemisiae argyi scented tea manufacturing method. Folium Artemisiae argyi scented tea is prepared from Folium Artemisiae argyi and mugwort flowers by steps of picking, drying in the shade, removing herbaceous taste, removing moisture, roasting the Folium Artemisiae argyi, rolling and drying. The Folium Artemisiae argyi scented tea prepared according to the method keeps intact form and color of the Folium Artemisiae argyi, tea water of the Folium Artemisiae argyi scented tea is fresh green in color and rich in faint scent of the Folium Artemisiae argyi and light fragrance of the mugwort flowers, and the Folium Artemisiae argyi scented tea gives full play to nutrition and healthcare functions of the Folium Artemisiae argyi.

The present invention relates to food producing process, and is especially the production process of crisp fish. The crisp fish product is produced with fresh fish and through the steps of pre-treatment, steaming at 97-100 deg.c for 1-8 hr, cooling, sterilizing and packing. The crisp fish has its bone eatable, intact appearance, beautiful color, and nutritious components well maintained, and the production process has short period and high efficiency and is suitable for large scale production.

The invention discloses a cleaning equipment and a cleaning method in the process of processing the dried purple seaseed, which comprises a cleaning pool and an auxiliary cleaning pool which has the same volume with the cleaning pool; the cleaning pool and the auxiliary cleaning pool are arranged in a high-low shape; the cleaning pool is communicated with the auxiliary cleaning pool through a water pipeline; the inlet of the water pipeline is arranged at the position nearby the bottom of the cleaning pool; the outlet of the water pipeline is arranged at the position nearby the central section of the auxiliary cleaning pool; the level of the outlet of the water pipeline is lower than that of the inlet of the water pipeline; a valve is positioned at the water pipeline; a plurality of microporous inlets are arranged around the wall of the cleaning pool; a plurality of auxiliary microporous inlets are positioned around the wall of the auxiliary pool. The invention has the advantages that: the design is reasonable; the structure is simple; the integrity of the form of the dried purple seaseed can be kept with a less loss; the energy consumption can be reduced; in addition, the EDTA-Na salt is added in the process of cleaning, thereby the heavy metal content of the dried purple seaseed can be lowered greatly.

The invention is suitable for the technical field of medical information and provides a rapid intraoperative pathological diagnosis system and method. The system comprises a sample preparation module, an optical imaging module and a data analysis module, wherein the sample preparation module extracts a diseased sample tissue from a patient body, fixes the diseased sample tissue by adopting a chemical reagent, then performs optical clearing treatment on the diseased sample tissue by adopting an optical clearing agent and finally performs fluorescent staining treatment on the diseased sample tissue; the optical imaging module first arranges and fixes the diseased sample tissue subjected to the fluorescent staining treatment, and then performs optical scanning imaging treatment on the diseased sample tissue subjected to the fluorescent staining treatment, by adopting a functional microimaging system, so as to obtain a functional diagram and an optical section diagram of the diseased sample tissue; and the data analysis module performs comparative analysis on the functional diagram and the optical section diagram as well as existing disease database data to generate a diagnosis result report. The system and the method are high in section-making speed and high in section-making quality.

The invention discloses soybean peptide chewable tablets and a preparation method thereof, and belongs to the field of functional food technology. The preparation method comprises the steps of preparing a main ingredient soybean peptide powder contained in the chewable tablets and various auxiliary materials contained in the chewable tablets according to a certain proportion, mixing, then directly tabletting, carrying out sterilization and package and other process steps, and thus obtaining the product. The soybean peptide chewable tablets are simple in preparation, keep the soybean peptide nutrition and active functions, have high soybean peptide content which is more than 48%, are good in taste and mouthfeel and good in product stability, have the functions of enhancing immunity, relieving fatigue, improving athletic ability, controlling weight, dispelling alcohol effects to protect liver and the like, are convenient to carry, and are fast absorbed by bodies.

The invention discloses a diluent for a hematology analyzer. The diluent for the hematology analyzer comprises sodium chloride, sodium sulfate, a phosphate buffer agent, ethylene diamine tetraacetic acid, 1-pyridone-2-sulphur and formaldehyde, and the pH value of the solution is 6.5-7.4, and preferably is 7.2; the content of each component is preferably as follows: 5g / L of sodium chloride, 10g / L of sodium sulfate, 0.3g / L of ethylene diamine tetraacetic acid, and 0.2ml / L of 1-pyridone-2-sulphur. The diluent for the hematology analyzer provided by the invention has the beneficial effects that general physical mixing can be adopted, and the preparation is extremely convenient; 1-pyridone-2-sulphur replaces the commonly used antimicrobial preservative sodium azide, is non-toxic, is safe to use, and can not cause harm or damage to reagent producers and environments; formaldehyde not only has a preservation effect, but also can keep the completeness of forms and structures of blood cells, and can increase the mechanical injury performance of the blood cells; and the diluent provided by the invention can achieve the testing effect equivalent to that of the original sheath fluid, and the cost is controlled well.

The invention belongs to the technical field of food fresh keeping, and particularly discloses a fresh keeping method for honeybee pupae. The fresh keeping method for the honeybee pupae comprises the following specific steps of 1 preprocessing, wherein high-quality honeybee pupae are taken out of a honeycomb, washed with deionized water, soaked with a salt solution and then leached, and preprocessed honeybee pupae are obtained; 2 processing with a fresh keeping agent, wherein the honeybee pupae preprocessed in the step 1 are put into the fresh keeping agent to be soaked and then taken out to be air-dried, and the fresh keeping agent is prepared by uniformly mixing a waxberry extracting solution, a hawthorn extracting solution, L-ascorbic acid, chitosan, sodium tripolyphosphate, food-grade sodium benzoate and sterile water according to a certain weight part ratio; 3 refrigerated preserving, wherein the honeybee pupae processed with the fresh keeping agent in the step 2 are contained in sterile fresh keeping bags, and the sterile fresh keeping bags are placed in a refrigerator for refrigerated preserving. According to the fresh keeping method, fresh keeping is conducted on the honeybee pupae mainly by adopting the fresh keeping agent with the effects of sterilization, disinfection and oxidization prevention, breeding of bacteria and viruses of the honeybee pupae can be effectively inhibited, the quality guarantee period of the honeybee pupae is prolonged, and the optimal appearance and mouthfeel effect of the honeybee pupae are kept.