20results about How to "Complete form" patented technology

This invention provides a high-hygroscopic, water-free composite gel-type calcium and magnesium salt tablet and its preparation method, which is made from the following raw materials in parts by weight: 45-70 parts calcium and magnesium salt, 15-25 parts gum arabic, 3-15 parts mica powder, 2-12 parts polyethylene oxide, 0.5-2 parts sodium nitrite, and 2-30 parts gelatin. This tablet exhibits high hygroscopicity and excellent physical properties.

The application discloses a kind of coronary angiography three-dimensional reconstruction method and system, it is related to medical image processing technical field, including: obtaining multi-angle coronary DSA angiography projection image and executing pre-processing, extract blood vessel initial center line and both sides initial contour, calculate each section contrast agent relative concentration, combined with blood vessel local curvature, concentration difference sign change and anatomical feature adaptive segmentation blood vessel section, filter reliable reference side and generate mirror virtual contour, calculate three kinds of contour deviation, construct multi-constraint objective function and correct center line section by section, integrate corrected center line and fit lumen parameter, solve blood vessel feature point three-dimensional coordinate and complete three-dimensional reconstruction.The application has the advantages that: effectively suppress the center line deviation caused by contrast agent concentration uneven, consider correction accuracy and blood vessel form continuity, the size of three-dimensional model output is accurate, topological correct, can be directly used for clinical quantitative diagnosis and interventional operation planning.

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.

This invention discloses a method and system for defect identification of molybdenum-rhenium alloy pipe fittings based on high-definition microscopic images. The method includes the following steps: acquiring high-definition images of the molybdenum-rhenium alloy pipe fittings using a high-definition microscope; preprocessing the high-definition images of the molybdenum-rhenium alloy pipe fittings to obtain an image of the molybdenum-rhenium alloy pipe fittings to be detected; performing region growing algorithm processing on the image of the molybdenum-rhenium alloy pipe fittings to be detected to obtain a defect region to be detected; identifying defects in the defect region to be detected to obtain the type of defect; and determining that the molybdenum-rhenium alloy pipe fittings has a defect problem based on the type of defect.

A yeast cell microinjection method and system based on quartz nanoinjection needle belong to the field of microbial single cell operation and microinjection technology. It includes: preparing high rigidity quartz nanoinjection needle and holding needle; biochemical weakening pretreatment is carried out on yeast cells to weaken the cell wall; a microdroplet environment is constructed in a culture dish; single cells are fixed by negative pressure suction in the microdroplet, the quartz nanoinjection needle loaded with injection material penetrates the weakened cell wall in the axial direction, and the material is delivered by positive pressure; the needle is withdrawn and the cell is released. The microinjection method is realized by the yeast cell microinjection system. The high bending stiffness quartz nanoinjection needle is combined with the cell wall weakening treatment, and the stable, low damage puncture of the small size and high rigidity yeast cell is realized; at the same time, the stable osmotic pressure and operation culture space are provided by the microdroplet environment, which is suitable for gene operation and accurate delivery of material at single yeast cell level.

The utility model relates to tofu processing technical field discloses a kind of box turning and dividing machine for bean brain forming processing, including translation frame and rack, the bottom of the one side of translation frame is equipped with box turning and tearing cloth track, the top of the other side of translation frame is equipped with tearing cloth and puts on turning plate track, the inside rotation of translation frame is equipped with rotating cage, the inside fixed of rotating cage is equipped with moving rail, the inside sliding of moving rail is equipped with box turning and transverse movement trolley, the sliding of box turning and transverse movement trolley inside is equipped with tofu longitudinal movement trolley, the top of rack is equipped with longitudinal fixed knife, the top of rack is equipped with transverse moving knife;The utility model is linked by rotating cage, box turning and transverse movement trolley, tofu longitudinal movement trolley, realize tofu from tearing cloth, overturn, cutting to the one-stop automation operation of reset, replace traditional manual handling, face and cutting process, reduce process linkage time, improve unit time production capacity.

Embodiments of the present application relate to the field of data processing, and disclose a cutting path generation method, a cutting method, a system, an electronic device and a medium. The cutting path generation method of a tooth corrector comprises: acquiring cutting path information of a to-be-cut pressure film assembly and a target cutting position of the pressure film assembly, the cutting path information containing cutting speeds of each cutting point; when the cutting speeds of each cutting point meet preset change conditions, acquiring point offset information of each cutting point according to preset laser cutting parameters, the cutting speeds of each cutting point and the target cutting position; adding the point offset information to the cutting path information to generate updated cutting path information. In this way, when the cutting speed meets the conditions, the cutting point is offset, the laser spot power density at the offset cutting point is reduced, the energy accumulation problem caused by the slow cutting speed can be eliminated, and a tooth corrector that meets the user's correction requirements and has a complete shape can be generated.

The application discloses an engineered exosome targeting human urokinase-type plasminogen activator receptor uPAR and a preparation method and application thereof. Firstly, a high-affinity anti-human uPAR single-domain antibody VHH is prepared; then, a human umbilical cord mesenchymal stem cell engineering cell line expressing a VHH-PTGFRN fusion protein is constructed, and the engineered exosome is prepared and purified by combining three-dimensional hypoxic culture, chemical induction and size-exclusion chromatography technology. The engineered exosome comprises four comparative samples, wherein the core sample Exo^(VHH / miR) can simultaneously display the anti-uPAR VHH on the membrane surface to realize targeted delivery and enrich miR-193b-3p in the chamber to realize gene silencing, and the synergistic effect of the two can efficiently remove the uPAR high-expression senescent cells and inhibit the senescence-associated secretory phenotype SASP. The engineered exosome has the advantages of standardized preparation process, high yield and high purity, strong targeting, excellent curative effect and good safety, and can be used for preparing a treatment preparation for anti-aging and aging-related diseases, and has important clinical application value.

The utility model discloses a stable support convenient for peeling vegetables, which comprises a cutter frame, the upper end of the cutter frame is fixedly provided with a cross rod, and the two sides of the cross rod are respectively provided with a cutter mechanism in a sliding manner; the base is connected with the bottom end of the tool frame through a connecting part; the stabilizing mechanism is arranged on the base in a sliding manner; the clamping mechanisms are configured to be two groups, and the two groups of clamping mechanisms are slidably arranged on the positions, located on the two sides of the stabilizing mechanism, of the base correspondingly; the stabilizing mechanism comprises a stabilizing frame, an arc-shaped seat is arranged at the bottom end in the stabilizing frame, a mounting cavity is formed in the inclined part of the stabilizing frame, and a concave part is arranged at the upper section position of the middle of the stabilizing frame; the control cavity is formed in the arc-shaped seat; the slide way is formed in the inner side of the control cavity; the downward pressing assembly is mounted on the sunken part; and the stability augmentation assembly is arranged in the mounting cavity, and a general control part is connected between the pressing assembly and the stability augmentation assembly.

The present application relates to the technical field of metal magnesium production, and particularly relates to a metal magnesium vertical reduction furnace loading structure and method, wherein the loading structure comprises a spherical charger, the spherical charger is provided with a magnesium vapor overflow hole, the spherical charger is filled with pellet material, a plurality of spherical chargers are connected by steel ropes one by one, and the plurality of spherical chargers are arranged in a reduction tank during processing of the reduction furnace. The spherical charger is filled with pellet material, and the spherical charger is arranged in the reduction tank, so that the problem of difficulty in magnesium vapor overflow, low reduction efficiency and slag sticking caused by falling and crushing of the pellet material when the pellet material is directly poured into the reduction tank is solved.

This invention discloses a vortex-ring circulating air supply device and method for ventilation of agricultural crop storage, relating to the field of ventilation equipment technology. It includes a housing and a fan assembled within the housing. Pairs of vortex-ring duct assemblies are spaced apart along the Y-axis on the housing. A circulating wind-blocking assembly is disposed within the housing. The circulating wind-blocking assembly includes a cut-off component, a cut-off drive module, and a clutch drive module. The cut-off drive module can drive the cut-off component to move along the Y-axis, and the clutch drive module can drive the cut-off component to engage or disengage from the cut-off drive module. The vortex-ring circulating air supply device and method for ventilation of agricultural crop storage provided by this invention allow the paired vortex-ring duct assemblies to be alternately blocked under the action of the vortex-ring duct assemblies, and the blocking state can be maintained for a preset time. This allows the airflow within the vortex-ring duct assemblies to be rectified to form a complete vortex ring, achieving efficient air supply to a specific area.

The application discloses a method for separating and purifying waxberry protoplasts. The method mainly comprises the following steps: culturing and obtaining sterile seedlings or cluster seedlings of the waxberry, and selecting tender new leaves at the top of the second to third leaves; cutting the leaves into strips and then placing the leaves in a permeation liquid for pretreatment; then placing the leaves in an enzymolysis liquid containing cellulase R-10, dissociation enzyme R-10 and pectinase Y-23, and performing enzymolysis under constant temperature, darkness and shaking conditions; and finally filtering through a cell sieve, centrifuging and resuspending to obtain the waxberry protoplasts. The yield of the protoplasts obtained by using the method is as high as 3.56x10 6 The application realizes efficient separation and purification of the waxberry protoplasts for the first time, and provides a key technical basis for molecular breeding and genetic improvement of the waxberry.

This application relates to the field of thermochromic materials technology, and particularly to a double-shell thermochromic reversible microcapsule, its preparation method, and its application. The double-shell thermochromic reversible microcapsule provided in this application includes a shell material and a core material. The shell material, from the inside out, consists of a cured epoxy resin and polymethyl methacrylate (PMMA), which are bonded together by a silane coupling agent. By weight, the core material includes 2-10 parts of a leucochromic agent, 6-16 parts of a chromogenic agent, 25-40 parts of a phase change material, and 1-2 parts of an antioxidant. The microcapsules prepared in this application have an enthalpy value of up to 190 KJ / KG and can withstand at least 200 thermal cycling experiments with an enthalpy decay of less than 5%.

The application discloses a tretinoin-matrine ionic liquid photocured hydrogel microneedle patch and a preparation method and application thereof, relates to the technical field of medical materials.The microneedle patch of the application takes methacrylated hyaluronic acid (HAMA) and polyether F127 diacrylate (F127DA) as a mixed matrix, and encapsulates tretinoin-matrine ionic liquid (RA-Mat IL) as an active ingredient; the preparation process comprises the following steps: ionic liquid preparation, needle tip layer and backing layer solution preparation, mold filling and drying, integrated photocuring and demolding, and the like.The microneedle patch can be directly attached to the skin surface, can effectively treat mild to moderate psoriasis and repair damaged skin barrier, and has a good application prospect in the fields of inflammatory skin disease treatment and wound repair.

The utility model provides an air pipe fixing self-tapping screw tip protective cap and an air pipe connecting structure, the protective cap is used for being installed at the self-tapping screw tip for protection, and the protective cap comprises a nut, a cap body and a sealing ring; the nut and the cover body are integrally connected, one end of the nut is sealed by the cover body, the other end of the nut is an open end with an internal thread, and the internal thread is used for being in threaded connection with an external thread of a self-tapping screw; a sealing groove is formed in the opening end face of the nut, the sealing ring is embedded in the sealing groove, and the sealing ring protrudes out of the opening end face of the nut so as to extrude the sealing ring to achieve sealing of the opening end of the nut when the nut is connected to the tip end of the self-tapping screw in a threaded mode. The protective cap for the tip of the air pipe fixing self-tapping screw has the advantages of being firm in structure, good in sealing performance, convenient to install, long in service life and good in safety.

The utility model discloses a forming device for a battery compartment sealing rubber ring, and relates to the technical field of sealing rubber ring forming. The forming device for the battery bin sealing rubber ring comprises a supporting base, a temperature control mechanism and a material lifting mechanism, a fixing mold is fixedly installed at the top of the supporting base, and a set of rubber ring grooves are formed in the top of the fixing mold; the temperature control mechanism is arranged above the supporting base and comprises a hollow block, heating plates and a cavity, the cavity is formed in the fixed mold, the hollow block is fixedly installed on one side of the cavity and communicates with the interior of the cavity, and the multiple sets of heating plates are fixedly installed at the bottom of the inner side of the hollow block; the material lifting mechanism is arranged above the supporting base and comprises a movable plate and a material ejecting plate. The temperature of the fixing mold is increased firstly, it is guaranteed that all the rubber ring grooves can be filled with rubber ring raw materials, rubber rings in all the rubber ring grooves can be formed completely, the quality and condition of the rubber rings are guaranteed, then the fixing mold is rapidly cooled, and the forming speed of the rubber rings is increased.

The invention discloses an intelligent regulation and control method for the whole process of square cabin mushroom planting. According to the method, regulation and control logic can be automatically switched according to the requirements of different growth stages of mushrooms, from the hypha growth stage to the fruiting stage, the system can call the growth model of the corresponding stage, growth states and environment data collected in real time are combined, a collaborative adjustment scheme is generated, single parameters are not independently adjusted, and through continuous feedback iteration, the regulation and control efficiency is improved. A regulation and control strategy is continuously optimized, it is ensured that the growth state is always kept in an ideal range, growth deviation caused by uncomfortable environment is avoided, the planting process is more flexible and adaptive, through multi-dimensional data collection and intelligent analysis, the system can capture growth abnormity and environment fluctuation in time, a solution is rapidly generated and executed, and the planting efficiency is improved. The workload and response time of manual inspection are reduced, the probability of occurrence of problems such as pollution and slow growth is reduced, and the planting efficiency and the stability of mushroom quality are effectively improved.

This invention relates to the field of concentration crystallization reactor technology, and discloses a concentration crystallization reactor for drug preparation, including a reactor body, a lid, a piping assembly, a drive mechanism, a stirring and scraping mechanism, and a protective assembly. The reactor body has a material chamber and a temperature control chamber inside. The lid is installed on the reactor body, and the piping assembly connects the reactor body and the lid. The drive mechanism is installed at the top of the lid. The stirring and scraping mechanism is installed inside the reactor body, and a protective assembly is fitted around the outside of the stirring and scraping mechanism. A through hole is opened at the bottom of the reactor body. This invention, by setting a variable-diameter stirring assembly, can adjust the radial range of the stirring blades, preventing the liquid from adhering to the reactor wall and causing crystal agglomeration. Combined with an intermittent bottom scraping assembly, it cleans the crystallized material deposited at the bottom of the reactor body, preventing material residue. The linkage of stirring and scraping actions improves the concentration crystallization efficiency, reduces damage to the drug crystal structure, ensures that the precipitated drug crystals have uniform particle size and intact morphology, and improves product purity and quality.

This invention belongs to the field of organoid staining technology, specifically relating to an apparatus and staining method for three-dimensional morphological preservation of organoids. The apparatus includes a filter, a processing container, and a cover; the processing container has an opening, and the cover is placed on the processing container; the filter is movably disposed on the processing container or within the cover; when the filter is disposed within the cover, it is in contact with the bottom of the cover. This invention's three-dimensional morphological preservation apparatus can preserve organoids to a great extent. Filters with different pore sizes can all play a role in organoid digestion, passage, protein extraction, and CCK8 sensitivity testing. Simultaneously, through the combined action of the apparatus and the staining operation, this invention ensures that organoids meeting size requirements are completely retained on the operating plane, obtaining morphologically intact organoids, and significantly improving the preservation rate of organoid morphology in experiments.

This application relates to the field of polymer material molding and processing technology, specifically disclosing a method for preparing a petal cup with a flower core bottom structure. The raw materials used include high-amylose corn starch, polycaprolactone diol, glycerol-water azeotropic mixture, food-grade montmorillonite nanosheets, citric acid, choline chloride, and sodium hypophosphite. These components synergistically constitute a raw material system suitable for biomimetic structural molding. The preparation method is as follows: first, humidity gradient gel particles are prepared; then, they are vibrated and sheared to fill the thin-walled area of ​​the petals; subsequently, gradient temperature and pressure curing under a temperature difference between the male and female molds allows for selective cross-linking and shaping of the petals; next, controlled-speed pressure release under a CO2 atmosphere eliminates internal stress and shapes a naturally curled form; finally, the mold is opened and cured to obtain the finished product. This petal cup can be used in high-end food packaging, home decoration, and art ware scenarios. The finished petals have complete shapes and clear textures, and the flower core bottom structure is dense and stable, possessing both good mechanical properties and biomimetic aesthetic effects.