99results about How to "Avoid sex change" patented technology

The invention relates to the technical field of pet food, and particularly discloses a pet food formula for strengthening intestines and balancing nutrition for pets, the pet food formula comprises the following raw materials: meat, vegetables, fruits, whole goat milk powder, Maillard reaction products, composite algae powder, yucca powder and synbiotics microcapsules; the preparation method comprises the following steps: respectively crushing the meat, the vegetables and the fruits; stirring and mixing the meat paste, the vegetable paste, the fruit paste, the whole goat milk powder, the composite algae powder, the yucca powder and the synbiotics microcapsules to obtain a mixed material; placing the mixed material in an extruder to prepare cylindrical particles; spraying the Maillard reaction product on the surfaces of the particles by adopting vacuum spraying equipment; the sprayed particles are fed into a freeze-drying bin to be freeze-dried; and packaging the frozen freeze-dried particles into bags to obtain the pet food capable of strengthening the intestines and being balanced in nutrition. The formula of the pet food capable of strengthening the intestines and balancing the nutrition has remarkable effects in the aspects of improving the health of the intestines, guaranteeing the balanced nutrition, improving the appetite of the pets and the like.

The invention discloses a concentration device capable of ensuring the stability of an organic solution, and relates to the technical field of organic matter purification, the concentration device comprises a central tower, the interior of the central tower is divided into a concentration cavity and a regeneration cavity left and right, heating devices are arranged in the concentration cavity and the regeneration cavity, one side of the concentration cavity is connected with a liquid inlet pipe, and the other side of the concentration cavity is connected with a liquid outlet pipe. The bottom is connected with a liquid outlet pipe; the first cooling tower and the second cooling tower are arranged on the left side and the right side outside the central tower respectively, condensing devices are arranged in the first cooling tower and the second cooling tower, and liquid outlet pipes are connected to the bottoms of the first cooling tower and the second cooling tower; the rotating disc system comprises rotating discs which rotate on the front surface and the rear surface in the central tower respectively and penetrate through the concentration cavity and the regeneration cavity, the two rotating discs are fixedly connected through a central shaft, and a plurality of adsorption assemblies for adsorbing organic matters are distributed between the two rotating discs around the circumference of the central shaft; according to the invention, efficient concentration and stable protection of the organic solution at low temperature are realized.

The present invention discloses a method for extracting papain with a low-temperature plasma-assisted low-eutectic solvent. The extraction method comprises the following steps: using papaya peel as a processing raw material, putting it into a low-eutectic solvent, using low-temperature plasma to perform a mild and strong wall-breaking treatment on it, and the low-eutectic solvent dissolves the protease to obtain an extract; adding a protective agent to the extract, and then separating and freeze-drying through a multi-stage ceramic membrane to obtain papain. Compared with the prior art, the method of the present invention uses a low-toxic and environmentally friendly low-eutectic solvent in combination with low-temperature plasma to extract papain. During the treatment process, the low-temperature plasma causes the cell wall to rupture in a relatively short time, increases the extraction rate, effectively shortens the extraction time, and improves the enzyme activity. It has the characteristics of low temperature, fast and no residue, and simple operation. The low-eutectic solvent replaces the organic solvent, which is not only environmentally friendly and efficient, low cost, simple to operate, but also can be effectively recycled and suitable for large-scale production.

The utility model discloses a polymerization granulation system for a bio-based material, and relates to the technical field of bio-based material production and processing. The device comprises a prepolymerization reaction kettle, the input end of the prepolymerization reaction kettle is connected with a material transfer pump I through a pipeline, the prepolymerization reaction kettle is provided with a catalyst adding port and an initiator adding port, the output end of the prepolymerization reaction kettle is connected with a material transfer pump II through a pipeline, the input end of the material transfer pump II is connected with a mixing reactor through a pipeline, and the mixing reactor is provided with a catalyst adding port and an initiator adding port. And the output end of the mixing reactor is in pipeline connection with a melt pump. The final product is a high polymer with the molecular weight of 12000-16000, the produced high polymer is narrow in molecular weight distribution and high in molecular weight, meanwhile, the system controls conveying of materials through the first material transfer pump, the second material transfer pump and the melt pump, the whole production system can be stably controlled, meanwhile, the number of devices needed in the system is small, and the production cost is low. The early-stage construction investment cost is reduced, and the operation and maintenance are relatively simple due to the simplified system.

The invention provides composite modified asphalt and a preparation method thereof, and belongs to the technical field of high polymer materials, the composite modified asphalt contains SBS modified asphalt, modified tire rubber powder, epoxy asphalt, SBR, a high-modulus anti-rut agent, an asphalt warm mixing agent, maleic resin, rubber softening oil, ethylhexyl stearate, isopropyl stearate and the like; aH-110 asphalt, AH-90 asphalt and AH-70 asphalt are modified through an SBS modifier, and calcium stearate, isopropyl stearate, an asphalt warm mixing agent and the like are added; the modified tire rubber powder is obtained by adopting waste tire rubber powder as a raw material and carrying out surface composite coating modification on basalt fiber, silica fume and AH-130 asphalt powder. The composite modified asphalt prepared by melting and blending the components has good high-temperature stability, low-temperature crack resistance, fatigue resistance and water damage resistance, and can better adapt to the use environment of the viaduct.

The utility model provides an angular contact ball bearing retainer, retainer injection molding device and angular contact ball bearing, wherein the bearing retainer comprises an annular frame body, a plurality of pockets are constructed on the annular frame body, each pocket penetrates through the inner and outer ring wall surfaces of the annular frame body along the radial direction of the annular frame body, and the pockets are uniformly arranged at intervals along the circumferential direction of the annular frame body; each pocket is defined by two oppositely-arranged planes and two oppositely-arranged cylindrical arc faces, the two planes are parallel to the radial face of the annular frame body, the two cylindrical arc faces are located on the same cylindrical face, and the axis of the cylindrical face is parallel to the central axis of the annular frame body. According to the utility model, the grease storage space in the pocket is increased, so that the lubricating effect on the rolling ball is improved; the contact area between the rolling ball and the retainer in the circumferential direction of the retainer during bearing operation is reduced, friction heat is reduced, and grease denaturation caused by too high temperature is avoided; the lateral force effect of the retainer on the rolling balls during bearing operation is eliminated, the stability of the bearing is improved, and the service life of the bearing is prolonged.

The invention discloses an electromagnetic induction heating device for a plastic extruder, and relates to the technical field of plastic extruder heating, the electromagnetic induction heating device for the plastic extruder comprises an extruder main body and a mounting rack, and the outer surface of an extrusion pipe on the extruder main body is fixedly connected with a heat preservation ring pipe. A first bidirectional threaded rod drives a first transmission block and a first electromagnetic induction coil to reciprocate left and right, uniform electromagnetic heating is carried out on an extrusion pipe, meanwhile, heat preservation is carried out on the surface of the extrusion pipe through a heat preservation ring pipe, and meanwhile the extrusion pipe is heated while a connecting plate, a connecting column and a pushing plate are driven to reciprocate; the pushing plate drives the turbulent flow screw rod to move, and meanwhile, through flowing of the vent groove, hot air in the heat preservation ring pipe can flow in a reciprocating mode in a uniform mixing mode, so that hot air in the heat preservation ring pipe can evenly heat the extrusion pipe, and the extrusion pipe on the extruder body can be evenly heated.

The invention provides a peripheral blood mononuclear cell cryopreservation solution, a preparation method and application of the peripheral blood mononuclear cell cryopreservation solution and a peripheral blood mononuclear cell cryopreservation method, and relates to the technical field of cells. The peripheral blood mononuclear cell cryopreservation liquid comprises the following components: a permeable protective agent, a non-permeable protective agent, human serum albumin, a 1640 basal culture medium, glutathione, autologous plasma, vitamin C and heparin sodium, wherein the autologous plasma is plasma of the peripheral blood mononuclear cells. According to the technical scheme, the permeable protective agent and the non-permeable protective agent are combined, and meanwhile, the human serum albumin, the 1640 basic culture medium, the heparin sodium, the glutathione, the autologous plasma and the vitamin C are added, so that a metabolic environment in the cell cryopreservation process is provided, and the motility rate and the proliferation activity of the recovered cells are ensured.

The application provides an industrial production process based on the characteristics of microbial proteins and belongs to the technical field of microbial fermentation.The process realizes efficient extraction and high activity preservation of methanol proteins through the organic combination of the following steps: microfiltration pretreatment, ion strength and pH synergistic regulation, low-temperature enzymatic hydrolysis synergistic extraction, fractional filtration and low-temperature concentration, and has a good industrial application prospect.

This invention belongs to the field of biomedical technology, specifically relating to a pharmaceutical composition formulation containing ertapenem and its preparation method. The ertapenem-containing pharmaceutical composition formulation comprises the following raw materials: 10-20 parts ertapenem, 40-60 parts choline-leucine ionic liquid, 30-50 parts polyethylene glycol-polylactic acid-glycolic acid copolymer, 2-5 parts gluconolactone, 2-3 parts antioxidant, 40-50 parts deionized water, 3-5 parts surfactant, and 20-30 parts mannitol. This invention utilizes choline-leucine ionic liquid to enhance the solubility and stability of the polyethylene glycol-polylactic acid-glycolic acid copolymer with ertapenem, forming uniform micelles to protect the drug from hydrolysis. Liquid nitrogen freezing technology is used to improve preparation efficiency and product quality, ensuring biocompatibility.

The present invention discloses an inverse synthetic aperture imaging method based on a frequency diversity array, which intercepts the effective time period within the scanning cycle of FDA for a certain target, repeatedly transmits the effective time period, and uses the formed repeated signal as the transmitting beam of ISAR. The method utilizes the time period pointing to other useless directions, and continuously transmits a focused beam in the direction that needs to be detected, thereby achieving a stable tracking effect. In addition, the beam generated by this method also solves the distance angle coupling problem existing in FDA. At the same time, the continuous FDA beam can obtain the distance resolution capability, and obtain the azimuth image resolution capability through the relative motion between the target and the radar, which enables the radar imaging system to have the ability of two-dimensional imaging, and finally uses the imaging algorithm to perform two-dimensional imaging on the target.

The utility model belongs to the technical field of material cylinder devices, and particularly discloses a full flow guide material cylinder which comprises an inner cylinder, a jacket sleeved outside the inner cylinder and a first bottom plate fixed at the bottom of the jacket, a first flow guide cavity is formed between the side wall of the inner cylinder and the jacket, and a second flow guide cavity is formed between the bottom wall of the inner cylinder and the first bottom plate. The first flow guide cavity is communicated with the second flow guide cavity, a liquid inlet and a liquid outlet are formed in the bottom and the top of the side wall of the jacket respectively, the liquid inlet is communicated with the second flow guide cavity, and the liquid outlet is communicated with the first flow guide cavity. The flowing path enables the heat exchange medium to act on the bottom and the side wall of the material cylinder in sequence, and a heat exchange interface covering the whole area is formed. The directional flow path shortens the circulation time of the heat exchange medium and improves the heat conduction efficiency, so that the production process cycle is shortened and the product quality stability is improved.

The invention discloses a device for extracting celery jelly liquid, comprising an outer cylinder, a driving screw and a water tank, wherein the driving screw is arranged in a containing cavity, and the driving screw is provided with a first feeding section, a first dispersing section, a second feeding section, a grinding section, a third feeding section, a second dispersing section and a discharging section in sequence along its length direction; the water tank is arranged around the outer peripheral wall of the outer cylinder, and the water tank and the outer cylinder together form a sealed water storage cavity; the peripheral wall of the first dispersing section is provided with a recess, and a plurality of stirring rods are arranged in the recess, the inner wall of the outer cylinder is provided with a guide ring, the grinding section is provided with a first grinding disc, and the inner wall of the outer cylinder is provided with a second grinding disc parallel to the first grinding disc. The invention adopts screw extrusion to extract celery jelly liquid, has a fast extraction speed, a high degree of automation, a small number of processes, can be operated continuously, has a high energy utilization rate, is convenient for large-scale industrial production, and has little damage to the active substances in the celery jelly, does not need to be concentrated after extraction, and is convenient for transportation to a consumption place for dilution and use.

The utility model relates to a sanding cylinder cooling device, which effectively solves the problem that the temperature in a sanding cylinder is easy to be too high during sanding processing in the prior art. Comprising a left-right axial sanding cylinder, a cooling shell is coaxially arranged on the outer surface of the sanding cylinder, a containing shell is coaxially arranged at the right end of the cooling shell, a curled cooling pipe is arranged in the containing shell, a liquid outlet pipe inserted into the cooling shell is arranged at the upper end of the cooling pipe, and a left-right axial suction cylinder located on the inner side of the cooling pipe is arranged in the containing shell; a piston plate capable of moving left and right is coaxially arranged in the suction cylinder, an L-shaped liquid suction pipe inserted into the cooling shell is arranged at the lower end of the suction cylinder, and an L-shaped communicating pipe inserted into the inner end of the cooling pipe is arranged at the front end of the suction cylinder; the device is simple in structure, novel in conception, convenient to use and high in practicability.

This utility model relates to the field of biomedical technology and discloses a professional shaker for gynecological liquid-based cytopathology, comprising a base, an outer shell, an inner shell, and a support assembly. A vibrating base plate is mounted on the top of the base, and a vibrating assembly is mounted on the bottom of the vibrating base plate, located within the inner cavity of the base. The outer shell is mounted on the top surface of the vibrating base plate, and a top cover is detachably connected to the top of the outer shell. A first magnetic connection part is mounted on the bottom of the inner side wall of the outer shell. The inner shell is located within the inner cavity of the outer shell, and a second magnetic connection part is mounted on the bottom of the outer side wall of the inner shell, magnetically connected to the first magnetic connection part. The top of the inner shell contacts the top cover. The support assembly is mounted on the inner wall of the inner shell, and several cell fluid tubes are detachably connected to the support assembly. This utility model enables precise vibration and temperature control, allowing for the simultaneous and efficient processing of multiple gynecological samples, thus improving work efficiency.

The invention belongs to the technical field of biotechnology and protein determination, and particularly relates to confining liquid as well as a preparation method and application thereof. Modified bovine serum albumin and recombinant casein polypeptide are used as core components of the confining liquid, hydroxypropyl-beta-cyclodextrin, polyglycerol fatty acid ester and other auxiliary components are added, and the confining liquid is prepared through a specific technology. The modified bovine serum albumin and the recombinant casein polypeptide have a synergistic effect, so that active sites of the detection carrier can be efficiently sealed; the stabilizing agent and other components are supplemented, so that the stability and compatibility of the confining liquid are improved. The confining liquid is simple and convenient in preparation process, controllable in cost, suitable for various detection carriers such as elisa plates and nitrocellulose membranes, capable of reducing non-specific binding and improving detection sensitivity, and suitable for various biological detection scenes such as enzyme-linked immunosorbent assay.

The invention relates to the technical field of biomedical detection, and discloses a kit for detecting pancreatic cancer based on a fluorescence labeling method and application of the kit, and the kit is composed of eutectic solvent precursor dispersion liquid containing an interface stabilizer and a polycarboxylate regulator. According to the method, the deep eutectic solvent is driven to be separated out from the water phase by utilizing the strong hydration capability of the polycarboxylate regulator, and the microphase enrichment region with low water content is constructed in situ. In the enrichment area, a compact hydrogen bond network limits free movement of water molecules, and a non-radiative transition channel for transferring excited state energy of fluorescent molecules to a hydroxyl vibration energy level of the water molecules is blocked. The unique microenvironment mechanism significantly reduces the fluorescence quenching effect in an aqueous system, greatly improves the quantum yield and detection sensitivity of the fluorescent probe, and effectively solves the technical problem of weak signal in traditional aqueous phase immunodetection.

The utility model relates to fish paste production technical field, specifically is a kind of multistage mixing stirring device for enzymatic fish paste production, including jar body, the top of jar body one side is provided with top cover, the bottom surface one side outer wall of top cover is provided with ring groove, rotation ring is rotatably arranged in ring groove, annular infusion groove is arranged on the rotation ring, the bottom surface one side outer wall of its is provided with several atomizing nozzles, the liquid inlet of atomizing nozzle is in communication with annular infusion groove, the outer wall surface of rotation ring is provided with several sealing layers, its one side is provided with the drive assembly for driving its rotation, the top of top cover one side outer wall is fixedly installed with liquid storage tank, water pump is arranged on the liquid storage tank, infusion tube in communication with annular infusion groove is arranged on the water pump, avoid local concentration too high to cause protein denaturation or clumping, realize fast and even distribution.

The invention provides a preparation process of weight-losing yoghourt ice cream pudding based on a sterilization structure. The preparation process of the weight-losing yoghourt ice cream pudding based on the sterilization structure comprises the following steps: a, selecting the following raw materials: 300g of low-fat yoghourt with the fat content of 0.1-2%; the natural sweetening agent is selected from erythritol, xylitol or stevia rebaudiana, and the dosage of the sweetening agent is 0.5%-3%, and 15 g; 30 g of low-fat milk powder; the lecithin is used as an emulsifier, the content of the lecithin is 0.2-0.5%, and the lecithin is 3g; and gelatin or pectin which is used as a thickening agent and has the content of 0.2-1% and is 3g. According to the weight-losing yoghourt ice cream pudding preparation process based on the sterilization structure, the taste and the structural stability of the product are remarkably improved through optimization of the raw material ratio and multi-stage processing steps, the combination of low-fat yoghourt and a natural sweetening agent is adopted, fat and calorie are effectively reduced, meanwhile, the weight-losing yoghourt ice cream pudding is prepared through a double emulsification technology and reasonable use of a thickening agent, and the weight-losing yoghourt ice cream pudding is prepared. The common problems that a traditional low-fat product is not smooth in taste and insufficient in sweetness are successfully solved.

The invention provides a method for preparing a hydroxyl-modified protein chip, and belongs to the technical field of protein chip preparation. The protein chip provided by the invention uses a glass slide as a main raw material, and uses a pre-prepared etching solution to perform periodic array etching on the slide; uses cyclosiloxane and epoxide as polymerization raw materials, and uses radiation polymerization to form a covalent connection between the polymerization raw materials and the slide to obtain a protein chip matrix; uses the protein chip matrix to adsorb proteins under physiological conditions, and the protein chip matrix has two different regions, and the region after etching and radiation polymerization not only provides a good water phase environment for the protein, but also can generate weak interactions such as hydrogen bonds with groups on the surface of the protein, while the untreated region is hydrophobic, so the contrast is huge, so that the prepared protein chip has a high signal-to-noise ratio and high sensitivity.

This invention provides a recombinant human collagen and its purification method. The method involves expressing recombinant human collagen using microorganisms, then heating the supernatant of the lysate or extract at a temperature above 60°C for at least 15 minutes to achieve solid-liquid separation. Finally, column chromatography using a cation exchange column is performed. Compared to commonly used purification methods employing two chromatographic columns, this invention significantly reduces time and economic costs while further improving the purity and activity of the recombinant human collagen. Furthermore, the entire method can be performed under neutral conditions, avoiding protein denaturation or the introduction of new impurities due to acidic solvents.

The invention relates to a stable emulsion type nutritious food and a preparation method thereof, and belongs to the technical field of medical food for special diets, and every 100mL of the stable emulsion type nutritious food contains specific contents of protein peptides, fat, carbohydrates, various vitamins, nicotinamide, folic acid and various mineral compounds. The adhesive is prepared from Arabic gum and high-acyl gellan gum in a specific proportion. Protein peptide is prepared through step-by-step enzymolysis of nattokinase and fig protease, the ratio of Arabic gum to high-acyl gellan gum is adjusted, and the product is obtained through a special preparation method. The problem of solution instability caused by fat floating, precipitation and the like due to high-temperature and high-pressure sterilization and long-term storage when the peptide solution and fat as well as the peptide solution and mineral ions coexist is effectively solved, and the emulsion type formula food for special medical purposes, which has good fluidity, uniform appearance, thermal stability and storage stability, can be obtained.

Embodiments of the present disclosure relate to a display panel and an electroluminescent display apparatus including the same. More particularly, a display panel and an electroluminescent display apparatus can be provided, which can include a first insulating film including a first hole exposing a portion of an upper surface of an auxiliary electrode, a second insulating film including a second hole overlapping the first hole of the first insulating film, an electrode pattern disposed on a portion of an upper surface of the first insulating film and overlapping the second hole of the second insulating film, a first electrode of a light emitting device disposed on the second insulating film, a bank overlapping a portion of an upper surface of the first electrode and disposed on the second insulating film, a light emitting layer of the light emitting device disposed on a portion of an upper surface of the auxiliary electrode, and a second electrode of the light emitting device contacting a portion of the upper surface of the auxiliary electrode overlapping the first hole of the first insulating film, thereby causing the cathode and the auxiliary electrode to be electrically connected to each other.

The application relates to a soluble silk fibroin pellet quick-freezing, separating and collecting device. The device comprises a low-temperature treatment tank, an external heat preservation tank, a feeding assembly, a separating assembly and an electric control system. The low-temperature treatment tank is nested in the external heat preservation tank and is adiabatic; the feeding assembly is arranged between a top cover plate and an adiabatic plate and comprises a material feeding pipe, a liquid nitrogen feeding pipe and a recovery pipe; a liquid drop pipe is arranged in the material pipe and is provided with a heating device arranged inside the liquid drop pipe to prevent freezing; liquid drops fall through the adiabatic plate into liquid nitrogen to be quickly frozen into small balls. The parameters of a stirring paddle can be adjusted to control the particle diameter, and a peristaltic pump and the specification of the drop pipe are used to control the size. The quick-frozen mixture flows into a separating tank through a low-temperature electromagnetic valve, small balls are intercepted by a screen, and liquid nitrogen is recycled. The electric control system is used for regulating and controlling stirring, the electromagnetic valve and heating power. The device can ensure resolubility through low shear quick freezing, the quick-frozen mixture can be freeze-dried in less than 24 hours due to the high specific surface area of the small balls, the cost is reduced through liquid nitrogen circulation, and the flux and particle diameter can be controlled through multi-parameter adjustment, so that the device is suitable for the preparation of silk fibroin and composite materials.

The utility model relates to the technical field of melt gear pumps, and particularly discloses a magnet-driven melt gear pump which comprises a pump body, one end of the pump body is provided with a through hole, a driving shaft is arranged in the pump body, and one end of the driving shaft extends out of the through hole; one end of the magnetic transmission coupler is connected with the pump body, and the magnetic transmission coupler comprises an inner magnetic rotor, a magnetic transmission shaft and a magnetic transmission shaft, the outer magnetic rotor is arranged outside the inner magnetic rotor; the shielding sleeve is located between the inner magnetic rotor and the outer magnetic rotor, and the shielding sleeve is used for separating the inner magnetic rotor from the outer magnetic rotor; and the driving motor is connected to the other end of the magnetic transmission coupling. After the magnet-driven melt gear pump disclosed by the utility model is shut down, compressed gas is introduced into the gas inlet, so that residual materials in the first rotating gap can be discharged through the gas outlet, the first rotating gap is kept in an emptying state, high-temperature materials can be prevented from denaturation due to accumulation and cooling, the difficulty in starting next time is further avoided, and the fault occurrence rate is reduced.

A method for separating and purifying high-purity soybean active peptides comprises the following steps: (1) extreme enzymatic hydrolysis pretreatment: taking defatted soybean powder, adding 15-25 times the amount of water, then adding 1.0-2.0% of oligosaccharides and 0.5-1.5% of hemicellulase preparation, treating at 105-125°C and 0.12-0.18MPa for 20-30min, then cooling to 45-55°C, adjusting the pH to 7.0-8.0, and obtaining a pretreated soybean protein suspension; (2) dual enzyme synergistic enzymatic hydrolysis: first adding 30% of the pretreated soybean protein suspension to the pretreated soybean protein suspension; 00-7000U / g protein neutral protease, then add 3000-7000U / g protein alkaline protease, enzymolysis at 50-60℃ for 2-4h, during which the pH of the system is maintained at 7.5-8.5 by adding sodium hydroxide solution, and after the enzymolysis is completed, the enzyme is inactivated at 90-100℃ for 10-20min to obtain an enzymolysis solution; (3) ultrafiltration-activated carbon adsorption coupling separation; (4) reverse phase chromatography separation and purification; (5) excipient and packaging: take the active peptide freeze-dried powder, add 15-25% oligofructose, mix well and then package to obtain the soybean active peptide product.

The present invention discloses a liquid metal powder, comprising a liquid metal and a carbide formed on its surface, wherein the raw material of the carbide is anhydrous ethanol, and the mass ratio of the anhydrous ethanol to the liquid metal is 10:90-98:2. The powder has good dispersion stability and can effectively prevent the oxidation of the liquid metal. The present invention also provides a method for preparing a magnetic liquid metal powder, comprising adding anhydrous ethanol and a liquid metal to containers A and B respectively, and continuously introducing an inert gas; adding the anhydrous ethanol in container A to container B, wherein the mass ratio of the anhydrous ethanol to the liquid metal is 10:90-98:2, adjusting the pressure of container B to 0.1-0.2MPa, and heating and stirring container B to obtain a magnetic liquid metal powder. The preparation method is simple and efficient.

This invention provides a process and system for preparing cooking wine with targeted aroma enhancement and deodorization. It constructs a closed-loop system that connects targeted functional fermentation to high-purity targeted extraction, flavor-free de-alcoholization, and full-cycle quality stabilization and sterilization. This system addresses the core technical issues in turn and is suitable for the standardized preparation of ordinary cooking wine, low-alcohol or non-alcoholic cooking wine, offering advantages in flavor, storage stability, and feasibility for large-scale production.

The invention provides a combined unfreezing device suitable for tuna and a method thereof, and relates to the technical field of tuna processing. The combined unfreezing device suitable for tunas comprises an unfreezing room, a refrigerating box, an unfreezing machine, a high-frequency vibration device, an infrared heating device and a low-temperature vacuum device are installed in the unfreezing room, the refrigerating box is installed in the unfreezing room, and the unfreezing machine comprises an installation frame. And the upper surface of the mounting frame is fixedly connected with a placement box. The method comprises the following steps: firstly, moving cold tunas into an unfreezing room, then placing the tunas in a refrigeration box for a period of time, so that the tunas are slightly unfrozen, then placing the tunas in a placing frame, starting an electromagnetic heating device, and unfreezing the tunas by the electromagnetic heating device. The temperature of each place of the tuna is detected in real time through the temperature sensor, and the effect of preventing excessive water loss and protein denaturation of the tuna is achieved through the design.

The invention discloses an anti-tumor active component separated from sheep small intestine mucosa and a method and application thereof, and the method specifically comprises the following steps: cleaning waste sheep small intestine after animal slaughtering with normal saline, removing connective tissue and intestinal contents, scraping off the mucosa, pre-freezing the pretreated sheep small intestine mucosa, and freeze-drying the pre-frozen sheep small intestine mucosa to obtain the anti-tumor active component separated from the sheep small intestine mucosa. And grinding the freeze-dried product in a mortar to obtain sheep small intestine mucosa powder. Adding a phosphate buffer solution into the pretreated sheep small intestine mucosa powder in proportion, and performing low-temperature stirring extraction for 2-4 hours; and filtering the extracting solution with gauze or a screen, centrifuging, taking the supernatant, and freeze-drying to obtain the crude extract of the small intestinal mucosa of the sheep, wherein the yield is 36.11%. The crude extract is re-dissolved with deionized water and centrifuged, gel chromatography is used for desalination, purification is carried out, the component SI-2 with the antitumor activity is obtained, the half inhibition concentration (IC50) of the component to human colon cancer cells 29 (HT-29) is 0.786 + / -0.051 mg / mL, and the half inhibition concentration (IC50) of the component to human colon cancer cells 116 (HCT-116) is 0.095 + / -0.041 mg / mL.