18 results about "Dry Heat Sterilization" patented technology

The invention belongs to the technical field of bamboo reed germplasm screening, and discloses a salt-tolerant bamboo reed germplasm rapid screening method which comprises the following steps: S1, preparing a culture medium; s2, preparing test materials; s3, implementing stress treatment; s4, standardizing data acquisition; s5, a salt tolerance evaluation system; the culture medium preparation comprises substrate screening and pretreatment, high-temperature and high-pressure sterilization treatment, secondary dry heat sterilization and substrate tray loading preparation, the test material preparation comprises tissue culture seedling pretreatment, seedling recovery treatment and disinfection before transplanting, and the data acquisition specification comprises survival rate determination and biomass determination. The salt tolerance evaluation system comprises unidirectional index calculation and grading standards. According to the invention, the key window period of salt-tolerant character expression is accurately locked. A standardized seedling pretreatment and dynamic index evaluation system is adopted, so that the screening efficiency of germplasm with different batches and different genetic backgrounds is remarkably improved, and reliable provenance guarantee is provided for large-scale saline-alkali soil treatment.

The present invention discloses a polybenzimidazole nanofiber membrane for use as a filter material for medical masks, as well as its preparation and modification methods. The polybenzimidazole nanofiber membrane is composed of cross-linked polybenzimidazole nanofibers, with the cross-links formed by polybenzimidazole bonding. The nanofiber membrane has a dumbbell-shaped pore size distribution. The preparation method comprises the following steps: preparing a spinning solution, preparing a bonding solution, preparing a nanofiber membrane layer, performing impregnation bonding, and post-processing. The polybenzimidazole nanofiber membrane obtained using the preparation method of the present invention has a tensile strength of 10 to 95 MPa and a filtration efficiency of 90% to 99.95% for particles ≥50 nm. It maintains its original stable structure and filtration performance after ultraviolet or dry heat sterilization, and maintains a filtration efficiency greater than 90% after 50 washes. It is reusable, has high economic and environmental benefits, and is simple to prepare, making it suitable for industrial production.

The invention belongs to the field of pharmaceutics, and particularly relates to a composition containing budesonide and formoterol, and the composition provided by the invention is in a specific pH range, adopts a specific surfactant addition mode, also adopts moist heat sterilization, and is free of toxic and side effects. The prepared inhalation suspension of formoterol and budesonide has better delivery rate and total delivery amount, better fine particle fraction and smaller particle size distribution, has the advantages of low temperature, short time, strong penetrating power, economy, rapidness and the like compared with dry heat sterilization and moist heat sterilization, and is more suitable for industrial mass production.

The application provides a multi-layer dry heat sterilization device for erythromycin eye ointment production, and belongs to the technical field of dry heat sterilization cabinets. The device comprises a dry heat sterilization cabinet, a shelf is arranged in the dry heat sterilization cabinet, a tray base is arranged on the shelf, a plurality of first avoiding grooves are symmetrically arranged on the outer walls of the two sides of the tray base, first guide plates are symmetrically and fixedly connected to the inner walls of the two sides of the tray base close to the top, connecting columns are fixedly connected to the outer walls of the two sides of the tray base close to the first avoiding grooves, first handles are fixedly connected to the ends of the connecting columns away from the tray base, an auxiliary assembly is arranged on the tray base, and the auxiliary assembly is used for improving the temperature rising speed of the aluminum pipe. The auxiliary assembly can shorten the temperature rising time of the aluminum pipe of the eye ointment and reduce the operation energy consumption of the dry heat sterilization cabinet when the dry heat sterilization cabinet works.

The utility model discloses a pumpkin seed dry-heat high-temperature disinfection treatment device, and particularly relates to the technical field of pumpkin seed dry-heat high-temperature disinfection, which comprises a frame body, a dry-heat disinfection box is fixedly arranged at the upper end of the frame body, two rotating rollers are movably arranged on the inner side of the frame body, and the two ends of the two rotating rollers respectively penetrate through the two sides of the inner wall of the frame body. The same porous crawler belt is arranged on the outer surfaces of the two rotating rollers in a transmission manner; a seed flattening device capable of flattening pumpkin seeds is arranged at the upper end of one side of the frame body; the seed flattening device comprises a feeding hopper, the feeding hopper is fixedly arranged at the upper end of the frame body, fixing frames are fixedly arranged on the two sides of the feeding hopper respectively, and the lower ends of the fixing frames are fixedly connected with the upper end of the frame body; and a vibration screening device capable of driving the porous crawler belt to vibrate is arranged on the inner side of the frame body. By arranging the seed spreading device, the laying thickness of pumpkin seeds can be adjusted according to requirements, and the problem that heating is uneven due to the fact that the thicknesses of the pumpkin seeds are different due to manual feeding is solved.

The utility model discloses a dry heat sterilization biological indicator resistance instrument, which comprises a shell, and is characterized in that a platform is arranged in the shell, a base, a lifting mechanism and a testing mechanism are arranged on the platform, a limiting part is arranged on the base, a testing chamber is formed between the base and the limiting part, and the testing mechanism is arranged in the testing chamber. The testing mechanism comprises a testing table which is locally and movably arranged in the testing chamber, the testing table can be sealed with the limiting part so as to limit the testing chamber to be communicated with the atmosphere, and the dry heat sterilization biological indicator resistance instrument is convenient to improve, good in sealing performance, accurate in testing data, convenient to operate and simple in structure.

The invention discloses seed treatment equipment and a treatment method. Comprising a heat preservation box with an opening and closing door, a partition plate located in the middle of the heat preservation box in the width direction, arranged in the length direction of the heat preservation box and used for forming a horizontal annular air duct, seed frames arranged on the two sides of the partition plate, a circulating fan and air treatment equipment, wherein the circulating fan and the air treatment equipment are arranged on the two sides of the same end of the partition plate respectively. The heating rods are arranged on the air inlet side of the circulating fan, the humidifier is located on the top of the heat preservation box, the absolute humidity sensor is arranged in the heat preservation box, and an atomizing pipe of the humidifier is located on the air inlet side of the circulating fan. The horizontal annular air duct is arranged, so that the seed racks can be arranged on the two sides of the partition plate, and large-batch dry heat sterilization of seeds is achieved; by setting the dehumidification temperature, the sterilization temperature and the rewetting temperature and executing the three stages of dehumidification, sterilization and rewetting, accurate and efficient sterilization of the seeds is achieved, and the germination rate of the treated seeds is guaranteed.

The invention relates to the technical field of progesterone preparation composition production, in particular to a progesterone preparation composition and a preparation method thereof.The progesterone preparation composition comprises progesterone and further comprises a first compound and a second compound, and the mass ratio of the progesterone to the first compound to the second compound is 84.4: 90: 108. A progesterone preparation composition is formed after progesterone raw materials are prepared and synthesized, then the progesterone preparation composition is subjected to impurity removal, purification, filling and sterilization to complete the production process, the progesterone injection belongs to high-viscosity liquid at the temperature of 20 DEG C to 60 DEG C, the standard filling amount of the progesterone injection with the specification of 0.8 ml: 20 mg is 0.94 ml, the standard filling amount of the progesterone injection with the specification of 1 m: 25 mg is 1.15 ml, and the progesterone injection with the specification of 1 m: 25 mg is 1.15 ml. The standard volume of the progesterone injection with the specification of 1ml: 10mg is 1.15 ml, and gt is designed in the development process of the progesterone injection; according to the dry heat sterilization process at the temperature of 170 DEG C / 60 minutes, the sterilization condition meets the excessive killing condition, no-load and full-load performance confirmation is also carried out on the performance of dry heat sterilization equipment, and it can be considered that the expected sterility guarantee level SALlt can be achieved; and 10 to 6 parts.

The utility model relates to the technical field of pipette containers, in particular to a pipette container capable of preventing pollution during taking, which comprises a stainless steel cylinder, a placing groove is arranged inside the stainless steel cylinder, a fixing pipe is fixedly arranged at the bottom end inside the placing groove, a placing plate is fixedly arranged on the side surface of the fixing pipe, and the side surface of the placing plate is fixedly connected with the inside of the stainless steel cylinder. A plurality of placing holes are formed in the placing plate, a plurality of first partition plates are fixedly arranged at the top end of the placing plate, a plurality of baffles are arranged among the first partition plates, limiting blocks are fixedly arranged on one sides of the baffles, and handles are fixedly arranged at the top ends of the limiting blocks; the utility model has the beneficial effects that on the premise of not influencing the dry heat sterilization efficiency of the transfer pipette, the device is convenient for reducing the probability that the unused transfer pipette is polluted when the transfer pipette is taken, so that different experimental samples or reagents are not easy to mix, and the accuracy of experimental results is improved.

The invention discloses a production process of water-flying realgar powder. The production process comprises the following steps: selecting materials, cleaning with purified water, coarsely crushing, adding water and grinding, flying with water, dehydrating, dehumidifying and drying at low temperature under the protection of nitrogen, carrying out dry heat sterilization at 75 DEG C under the protection of nitrogen, grinding, sieving, totally mixing, packaging in vacuum, and warehousing a finished product. According to the realgar powder prepared by the production process disclosed by the invention, the total amount of trivalent arsenic and pentavalent arsenic which are toxic components is less than or equal to 1.0% in terms of arsenic (AS) and is far lower than 7.0% of a legal standard, and the cholate-resistant gram-negative bacteria is less than or equal to 102cfu / g and is lower than or equal to 104cfu / g of the legal standard; the effective component is greater than or equal to 95.0% in terms of arsenic disulfide (AS2S2), and is greater than or equal to 90.0% in terms of a legal standard.

The invention discloses a food equipment disinfection process optimization method based on a real-time monitoring and prediction model, and relates to the technical field of food equipment disinfection, and the method comprises the following steps: collecting a thermal imaging image of the surface of food equipment and internal temperature data of dry heat disinfection equipment when the dry heat disinfection equipment is utilized to disinfect the food equipment every time; performing temperature error analysis and normal fluctuation analysis to obtain temperature error fluctuation data; when the dry heat disinfection equipment is used for disinfecting the food equipment, temperature information of the surface of the food equipment is obtained according to the temperature error fluctuation data, and temperature change prediction is carried out to obtain temperature change prediction data; the heating power of the dry heat disinfection equipment is adjusted and optimized in real time; the method is used for solving the problems that when dry heat disinfection equipment is used for disinfecting food equipment in an existing food equipment disinfection technology, the overall temperature condition of the surface of the food equipment cannot be accurately obtained, temperature changes cannot be predicted, and then the heating power cannot be adjusted in advance.

1. The name of the design product: seed sterilization box (two-way parallel internal eddy current 360°). 2. The use of the design product: for seed dry heat sterilization. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention provides a dry heat sterilization box, and belongs to the technical field of sterilization boxes. The problem that in the prior art, a dry heat sterilization box is poor in sterilization quality is solved. The dry heat sterilization box comprises a box body with a box door and a main heater arranged in the box body, a circulating fan used for enabling air in the box body to circulate is installed in the box body, a ventilation pipe communicated with the interior and the exterior of the box body is further arranged on the box body, and an auxiliary heater is installed on the ventilation pipe. And the auxiliary heater is used for heating and sterilizing the air flowing through the ventilation pipe. The dry heat sterilization box has the advantages that the sterilization quality is improved while the sterilization efficiency of the dry heat sterilization box is ensured.

The utility model relates to dry heat sterilization cabinet technical field, concretely for fast card formula external ceramic insulation pipe bundle device, including the round pipe, the round pipe is connected at the top of the cabinet body, the lower extreme of round pipe is communicated with the inside of cabinet body, the upper end detachably connected with the tee pipe of round pipe, the inside of tee pipe is provided with insulation pipe bundle, insulation pipe bundle forms the hole -like passage in the inside of tee pipe, places the electrically conductive long bolt in the hole -like passage, and the both ends of electrically conductive long bolt are connected power supply wiring and U type heating pipe connection line respectively. In this fast card formula external ceramic insulation pipe bundle device, the utility model moves power supply line and heating pipe line to the outside of equipment, through the combination design of round pipe, tee pipe, insulation pipe bundle and electrically conductive long bolt, when wiring appears damage, just need to open the clamp outside the equipment, can check up and replace every high temperature insulation pipe bundle and wiring connection point, do not need to cut the equipment like traditional mode, greatly improved the repair efficiency.

The invention provides an injectable filler as well as a preparation method and application thereof. On the basis of systematically screening the influence of parameters such as collagen concentration, buffer solution type, preparation method, concentration and the like in the filler on the performance of the filler, the injectable filler with excellent performance in various aspects is obtained through optimization. The invention also scientifically screens the filtering and degerming process parameters and conditions of the collagen, and systematically researches the influence of a plurality of parameters on the activity maintenance of the collagen in the process. The sterilization method obtained through optimization is easy and convenient to operate, economical, environmentally friendly and good in repeatability, damage of dry heat sterilization, moist heat sterilization, irradiation sterilization and the like to the structure and activity of the collagen is avoided, in a word, the sterilization effect can be guaranteed, and the three-dimensional structure of the collagen can be kept. The composition can continuously stimulate regeneration of the collagen on the basis of supplementing the collagen in the initial stage, and the composite effect of short-term supporting and long-term repairing is achieved on the whole.

The utility model provides multilayer dry heat sterilization turnover equipment, which relates to the technical field of sterilization equipment and comprises a sterilization box, support legs are fixedly mounted on the lower surface of the sterilization box, a box door is hinged to the side surface of the sterilization box, an observation window is arranged on the side surface of the box door, and a transverse plate is fixedly mounted in the sterilization box. A placing frame is arranged on the upper surface of the transverse plate, and a tray is arranged on the inner side of the placing frame; according to the utility model, the three groups of trays are arranged on the inner side of the placing frame, so that articles can be placed in multiple layers, the turnover efficiency of the equipment is improved, through holes are formed in the surfaces of the trays in a penetrating manner, uniform transfer of heat in the dry heat sterilization process is facilitated, the sterilization effect is improved, and meanwhile, a bevel gear B is driven by a motor to rotate; the rotating rod drives the placing frame to rotate, so that trays and articles in the placing frame can receive the irradiation of the sterilizing lamp and the action of high-temperature air at multiple angles in the sterilizing process, and the sterilizing uniformity and effect are further improved.

The present invention belongs to the technical field of sterilization of velvet antler mushroom culture medium, and specifically is a sterilization device for producing velvet antler mushroom culture medium, comprising an equipment base; a manipulator is fixedly installed on the top of the equipment base, a conveyor belt is installed on the top of the equipment base, a preheating chamber is installed on the top of the conveyor belt, a sterilization chamber is fixedly installed on one side of the preheating chamber, and a water replenishing component is provided on the top of the sterilization chamber; by arranging the water replenishing component and the lifting component, when the velvet antler mushroom culture medium is sent into the sterilization chamber for high-temperature sterilization, the water replenishing component is moved to the top of the culture medium by the lifting component, and the water replenishing component is used to replenish the velvet antler mushroom culture medium with water, so that the humidity in the culture medium is replenished, thereby avoiding the problem of drying of the culture medium surface during the dry heat sterilization process, which causes the quality of the cultivated velvet antler mushroom to decline, and the humidity in the culture medium is maintained within a suitable range, thereby improving the sterilization effect and reducing the possibility of the culture medium being contaminated.

The utility model relates to a sterilization cabinet for powder injection production, which comprises a frame arranged in a dry heat sterilization cabinet, guide plates are fixed on the inner bottom wall of the dry heat sterilization cabinet, a concave frame is fixed at the bottom of the frame and can be connected with the corresponding guide plates in a sliding manner, a plurality of sliding seats are respectively fixed on two sides of the frame, and the two sliding seats on the left side and the right side are oppositely arranged. Sliding grooves are formed in the opposite sides of the two oppositely-arranged sliding seats correspondingly, sliding rods are slidably connected into the sliding grooves, and a containing box is fixed between the two opposite sliding rods. The frame is pulled out of the dry heat sterilization cabinet, the placing boxes are pulled one by one, so that the two opposite sliding rods move in the corresponding sliding seats, and after the placing boxes are pulled by a certain distance, one ends of the sliding rods enter the corresponding receding grooves, so that the placing boxes are arranged in an inclined shape, and sterile bottles can be conveniently placed in the placing boxes; and the sterile bottles can be limited through the placing holes, so that the sterile bottles can be conveniently and orderly placed.