52results about How to "Long lasting" patented technology

The present invention belongs to the technical field of microbial agents, and specifically relates to a strain of Emericellopsispallida F27, a microbial agent and its application in the field of agriculture. The present invention provides a strain of Emericellopsispallida F27, with a deposit number of CGMCC No. 40123, and a microbial agent is prepared using Emericellopsispallida F27. The application results show that the strain of Emericellopsispallida F27 can increase the degradation rate of corn stalks by 30.55%, and the reducing sugar concentration in the culture solution reaches 25.3 mg / L. Emericellopsispallida F27 can significantly increase the proportion of large aggregates in the soil and significantly inhibit the growth of various sickle fungi. The application of the Emericellopsispallida F27 microbial agent can promote the growth of corn and wheat, improve the stress resistance of corn, and increase soil microbial biomass carbon, microbial nitrogen, soil soluble nitrogen, soil oxygen content and straw degradation rate.

The invention relates to the technical field of medical materials, in particular to an injection composition for endoscopic submucosal dissection and a preparation method and application thereof. The injection composition is prepared from the following raw materials: 1 to 5 w / v percent of sodium hydroxymethyl starch, 0.1 to 10 w / v percent of acetylcysteine, 0.2 to 4 w / v percent of polyvinylpyrrolidone, 0.001 to 0.1 w / v percent of coloring agent and the balance of phosphate buffer solution. The injection composition disclosed by the invention can be directly injected under mucous membranes, plays a role in upheaving diseased regions, has the advantages of long maintenance time and high upheaving degree, and has the effects of stopping bleeding and promoting wound healing.

The invention discloses a diaphorina citri adult repellent composition and application thereof. The repellent composition is prepared from the following components in parts by weight: 0.1 to 1.2 parts of nootkatone, 0.05 to 1.0 part of carvacrol, 4.0 to 6.5 parts of thymol and 3.0 to 5.0 parts of sophocarpidine. The repelling effect of the repellent composition on diaphorina citri adults is better than that of a single component, and the synergistic diaphorina citri adults repelling effect is achieved among the components. The components of the repellent composition are low in price, the cost for manufacturing the lure can be reduced, and the repellent composition is suitable for popularization and promotion.

The invention relates to the technical field of molecular breeding, and discloses an auxin amide hydrolase RhILL1 gene and application of the auxin amide hydrolase RhILL1 gene in regulation and control of China rose flower color, and the nucleotide sequence of the auxin amide hydrolase RhILL1 gene is shown as SEQ ID NO.1. By silence or overexpression of the RhILL1 gene, synthesis of anthocyanin is effectively regulated and controlled, and accurate control of petal color is realized. Researches find that silencing of the RhILL1 gene leads to color fading of petals and reduction of anthocyanin content; and overexpression of the RhILL1 gene prolongs the color holding time of the petals. In addition, the invention also provides a kit containing the RhILL1 gene regulatory sequence, a recombinant plasmid and a corresponding gene editing and transgenic breeding method. The achievements provide a new molecular tool for Chinese rose breeding and flower color improvement, and have important ornamental value and economic significance.

The invention provides a method for producing succinic acid by immobilized cells, and belongs to the technical field of fermentation. The fermentation culture medium comprises the following components: 50 to 54 g / L of glucose, 8 to 10 g / L of corn steep liquor, 5.7 to 5.9 g / L of monopotassium phosphate, 6.3 to 6.5 g / L of dipotassium phosphate, 0.17 to 0.22 mg / L of calcium chloride, 1.67 to 1.73 mg / L of cobalt chloride hexahydrate, 0.46 to 0.50 mg / L of zinc sulfate heptahydrate, 1.6 to 1.8 mg / L of biotin, 6.0 to 6.5 mg / L of nicotinamide, 8.2 to 8.5 mg / L of vitamin B5 and 0.32 to 0.34 g / L of an active agent. By adopting the method disclosed by the invention, the succinic acid production rate is high, the malic acid content is low, the immobilized microspheres can be repeatedly fermented for multiple times, and the succinic acid content of a single batch is stable and is always kept at a relatively high level.

The invention belongs to the technical field of agricultural film preparation, and particularly relates to an internal addition type polyolefin seven-layer co-extrusion light-conversion dustproof high-heat-preservation pesticide-resistant long-acting dripping fog dispersal greenhouse film and a preparation method thereof. The greenhouse film is composed of a first outer layer which is a dustproof anti-aging layer, a second outer layer which is a light conversion anti-aging layer, a third outer layer which is a barrier heat preservation anti-acid anti-aging layer, a middle layer which is a high heat preservation anti-acid dripping agent storage layer, a third inner layer which is a high heat preservation anti-acid dripping agent storage layer, a second inner layer which is a high heat preservation anti-acid dripping antifogging agent slow release layer and a first inner layer which is an anti-acid dripping antifogging agent release layer. The width of the greenhouse film is 8 m or above, and the thickness of the greenhouse film is 0.08 mm-0. 15 mm; the light transmittance is more than 90%, and the haze is less than 16%; the infrared transmittance is less than 20%; 600 days after film covering, the light intensity ratio inside and outside the greenhouse is still larger than 88%; due to the dustproof function, the annual attenuation rate of the light transmittance is smaller than 1.1%; the lasting period of the dripping fog dispersal function lasts for 24 months and is synchronous with the service life of the film.

The present application relates to the field of medical supplies, and specifically provides a recombinant keratin injectable gel and a preparation method thereof. The injectable gel can form a recombinant keratin gel with reliable quality without adding a cross-linking agent while maintaining the mass ratio α of keratin and cysteine ​​at 5:1≤α<15:1 and adjusting to an alkaline pH value. The application of the injectable gel in medical products includes soft tissue filling, drug delivery, and cosmetic surgery. The injectable gel can also be used to promote fibroblast proliferation and migration, and promote fibroblast expression and secretion of collagen.

The utility model discloses a multifunctional good limb position placing pillow which comprises a lower limb pillow body with a second groove formed in the upper end face, an upper limb pillow body with the vertical section arranged in an inverted right trapezoid shape and a back pillow body with the vertical section arranged in a right trapezoid shape, and a first groove is formed in the long plane of the upper end of the upper limb pillow body. The inclined surface of the upper limb pillow and the inclined surface of the back pillow are mutually attached and stacked to form a combined pillow for placing the head of a patient or the healthy side lying position upper limbs, connecting assemblies are detachably connected between the two side surfaces of the right trapezoid of the upper limb pillow and the two side surfaces of the right trapezoid of the back pillow, and an arc-shaped groove is formed in the middle of the bottom plane of the back pillow; a waist and neck pillow is detachably connected to one side plane, far away from the inclined plane, of the upper limb pillow; one face of the waist and neck pillow is a plane, the other face of the waist and neck pillow is an arc-shaped convex face matched with the first groove, pressure sensors are embedded in the second groove, the inclined face of the back pillow and the first groove, and timers and alarms are embedded in one side face of the lower limb pillow, one side face of the upper limb pillow and one side face of the back pillow. And the whole body has the advantages of multiple functions, good body position treatment effect and high applicability.

The invention relates to the field of cosmetics for skin, in particular to soothing, makeup-holding and sun-screening makeup base cream and a preparation method of the soothing, makeup-holding and sun-screening makeup base cream. The sun screen is prepared from the following raw materials: butanediol, isododecane, polydimethylsiloxane, ethylhexyl salicylate, phenyl benzimidazole sulfonic acid, butyl octanol salicylate, diisopropyl sebacate, diisopropyl adipate, a vinyl polydimethylsiloxane / polymethylsilane silsesquioxane cross-linked polymer, ethylhexyl triazinone and p-hydroxyacetophenone, and the sun screen is prepared from the following raw materials: ethylene glycol, isododecane, butyl octanol salicylate, phenyl benzimidazole sulfonic acid, butyl octanol salicylate, diisopropyl sebacate, diisopropyl adipate, vinyl polydimethylsiloxane and polymethylsilane silsesquioxane. The traditional Chinese medicine composition is prepared from the following raw materials: disteardimonium hectorite, aluminum hydroxide, kava pepper leaf / root / stem extract, radix gentianae extract and water. The make-up base prepared by the invention has good soothing, makeup-holding and sunscreen effects, has excellent free radical resisting and moisturizing effects, is easy to smear, and improves the skin glossiness to a certain extent.

The controlled release type ultrasonic rectal suppository comprises a specially-made suppository, an ultrasonic device, a regulation and control device, a power supply device and placing and taking-out accessories, and all the devices are modularly combined and can be detached and replaced. The controlled-release ultrasonic rectal suppository disclosed by the invention is suitable for children with faint of acupuncture, injection phobia, obesity and too low age, has no stimulation and pain sensation, is wide in applicable drug range, is particularly suitable for water-soluble macromolecular drugs, does not need to add a mucous membrane absorption enhancer, overcomes the defects of large difference of absorption individuals and slow effect of the conventional suppository administration, and is suitable for clinical application. The effect of promoting rapid absorption of the medicine is achieved.

The present application provides a method for maintaining a steady state of a cell perfusion culture system, and relates to the field of cell culture technology. The method includes: placing cells in a bioreactor and performing a first culture at a temperature of T0; when the density of live cells in the bioreactor reaches the first target value, the temperature of T0 is reduced to the temperature of T1, and a perfusion medium is used for the second culture, and after maintaining for 4-5 days, the temperature of T1 is increased to the temperature of T2, and the third culture is continued, and the second and third cultures are not discharged; or, when the density of live cells in the bioreactor reaches the second target value, the temperature of T0 is reduced to the temperature of T2, and a perfusion medium is used for the fourth culture, and discharge is required in the fourth culture; wherein, T0>T2>T1. The present application adopts the means of two-step cooling, and according to the law of cell first-order kinetic multiplication, a fixed discharge rate is used for discharge, so as to maintain the steady-state growth of the cells.

The invention relates to a beauty injection method for eliminating neck lines and a beauty injection for regenerating and assisting skin, and belongs to the technical field of plastic cosmetology. Hyaluronic acid is a substance originally existing in a human body after being injected into a region A, a region B, a region C, a region D, a region E, a region F, a region G and a region H through a three-axis three-dimensional sculpture injection method; the skin care product can help the skin to retain moisture and make the skin more moisturized and elastic, hyaluronic acid in the skin can be effectively supplemented through hyaluronic acid injection, so that wrinkles are reduced, the skin is recovered to a young state, the skin care product takes effect immediately after hyaluronic acid injection, improvement of the wrinkles can be seen quickly after hyaluronic acid injection, the maintenance time is long, and in addition, the skin care product has no side effect. The injection operation is simple and quick, an operation is not needed, a long-term recovery period does not exist, and the preparation can be used for various wrinkles, including static wrinkles such as nasolabial wrinkles and canthus fine wrinkles, and parts needing to be plump and moistened such as lips and cheeks.

The invention belongs to the technical field of rotifer killing, and particularly relates to a rotifer killing composition and a preparation method thereof. The composition is prepared by mixing a base liquid A, an emulsifier B and water. The base liquid A is prepared by mixing eugenol, patchouli alcohol, limonene, allicin, methyl salicylate, carvacrol and thujone in a mass ratio of 1-10:1-9:1-10:1-10:1-9:1-9:1-9; the B liquid is prepared by mixing the A liquid, tristyrylphenol polyoxyethylene ether, n-butanol and benzyl alcohol in a volume ratio of 1:8:2:0-4 in a reaction container at room temperature; the composition is prepared by adding deionized water to the B liquid and setting the volume to 100 ml. The composition uses herbaceous plants as preparation raw materials, can be directly sprinkled in waters contaminated by rotifers, can remove most harmful rotifers, and reduces pollution to the environment, and is environmentally friendly and practical.

The invention discloses an indoxacarb nano red fire ant poison bait and a preparation method and application thereof, belonging to the technical field of red fire ant control. The indoxacarb nano red fire ant poison bait is composed of the following raw materials in mass percentage: 0.05% indoxacarb, 10% sweetener, 10% attractant, 10% adhesive, 1.32% to 2.15% nano carrier, 0.09% to 0.15% fatty acid, and 67.65% to 68.54% filler. The indoxacarb nano red fire ant poison bait provided by the invention has a good control effect on red fire ants, and has the advantages of fast effect, strong lasting effect, thorough control, and small amount of application, and the ingredients are stable, not easy to volatilize, safe and non-toxic, and the damage to the surrounding environment and animals and plants of the application is small, which meets the characteristics of green pesticides; the preparation method of the indoxacarb nano red fire ant poison bait provided is simple and easy to operate, does not require high temperature and high pressure, has low requirements on equipment, does not generate toxic and harmful substances, and is green and environmentally friendly.

The invention relates to the technical field of mortar preparation, in particular to high-performance waterproof dry-mixed mortar and a preparation method thereof. The high-performance waterproof dry-mixed mortar is prepared from the following raw materials in parts by weight: 300 to 400 parts of cement, 550 to 650 parts of quartz sand, 1.5 to 3.0 parts of silane waterproof agent, 15 to 25 parts of hydrophobic redispersible latex powder, 0.2 to 0.5 part of water-retaining thickening agent, 0.5 to 1.5 parts of polycarboxylic acid water reducing agent, 3 to 8 parts of thixotropic lubricant, 0.3 to 1 part of coagulation accelerator, 20 to 50 parts of superfine filler and 0.5 to 1.5 parts of polypropylene fiber. The technical problem of non-uniform dispersion of trace components in high-performance mortar production is solved through the process combination of premixing the water-retaining thickening agent, the polycarboxylate superplasticizer, the thixotropic lubricant and the coagulant and then performing staged low-speed main mixing on the mixture and other raw materials; the effects of excellent waterproof and anti-seepage performance, excellent mechanical property and bonding strength, excellent crack resistance and high durability are achieved.

A telescopic rod end component pin hole (1-6) is formed in the upper portion of a main telescopic rod (1-2), a sleeve (1-12) of a telescopic rod end component (1-1) is connected with the main telescopic rod (1-2) in a threaded mode, a fixing pin (1-13) is inserted into the telescopic rod end component pin hole (1-6), and an installation ring head (1-11) is welded to the upper portion of the sleeve (1-12). The lower end of a main telescopic rod (1-2) is fixedly connected with a first piston head (1-3), the lower end of a second piston head control screw (1-8) is fixedly connected with a second piston head (1-5), the top end of the second piston head control screw (1-8) is fixedly connected with a second piston head control screw hexagonal head (1-7), and the second piston head control screw (1-8) is screwed into a through screw hole axially formed in the main telescopic rod (1-2). And a deformable piston sealing ring (1-4) is fixedly arranged between the piston head I (1-3) and the piston head II (1-5). According to the oil cylinder piston sealing structure, the maintenance time of the sealing effect of the oil cylinder piston can be effectively prolonged, and the normal working time of a hydraulic oil cylinder can be effectively prolonged.

The invention relates to a preparation method of mulberry silk and rose fiber interwoven fabric with rose fragrance, which combines a rose fragrance agent with mulberry silk and rose fiber through a specific weaving technology and a treatment process, and aims to overcome the defects of the traditional mulberry silk fabric in the aspects of fragrance durability, wearing comfort and novelty and creativity. The prepared fabric has rich rose fragrance, the fragrance lasting time is long, and the expectation of consumers for the fragrance of the fabric can be met. Meanwhile, the fabric is excellent in softness, glossiness, air permeability, skin touch feeling and the like, and the wearing comfort is remarkably improved. In addition, the method has flexibility and can be adjusted according to different requirements of consumers so as to meet individual requirements.

This utility model discloses an outdoor remote-controlled searchlight device, including a base with battery packs detachably mounted on both sides of the base. A hollow column is fixedly mounted on the upper end of the base, and a hollow lifting rod is movably connected to the upper end of the column. A lighting component is mounted on the upper end of the lifting rod via a multi-directional adjustment assembly. The lighting component includes a housing, with a control panel fixedly mounted on one side and a searchlight head rotatably mounted on the other side. A flipping drive mechanism is provided inside the housing. The multi-directional adjustment assembly includes a mounting platform fixedly mounted on the upper end of the lifting rod, with the housing rotatably mounted on the upper end of the mounting platform. A rotation drive mechanism is matched between the housing and the mounting platform. A support assembly is mounted on the column. By setting the flipping drive mechanism, the searchlight head can achieve vertical flipping from 0 to 180°. With the rotation drive mechanism, the housing can rotate horizontally within the range of 0 to 360°, greatly expanding the lighting range and meeting the diverse needs for light direction in different scenarios.

The invention relates to a dexmedetomidine microneedle patch as well as a preparation method and application thereof. The dexmedetomidine microneedle patch comprises a substrate and a needle body arranged on the surface of the substrate, wherein the needle body comprises dexmedetomidine hydrochloride, a framework material and a penetration enhancer; the penetration enhancer is prepared from one or more of dodecyl-beta-D-maltoside, ethylenediamine tetraacetic acid and tetrahydropiperine. The dexmedetomidine microneedle patch is higher in medicine cumulative penetration amount, facilitates shortening of sleep-aiding onset time and prolonging of sleep-aiding action time, and has a good insomnia treatment effect.

This utility model discloses a heat preservation device for flower cultivation, including a heat preservation box. The heat preservation box includes a storage cavity and a water cavity. Water is placed inside the water cavity, and electric heating plates are fixedly connected to both sides of the inner wall of the water cavity. This utility model adopts a structural design in which the heat preservation box has a storage cavity and a water cavity. The water in the water cavity is heated by the electric heating plates. Through the thermal conductivity of water, heat can be evenly transferred to the left, right, top, bottom, and back of the storage cavity, which to a certain extent avoids the problem of uneven local temperature caused by traditional single biological lamp heating. With the heat preservation box and the heat preservation cover plate fixedly connected to the surface of the heat preservation box, a multi-layer heat preservation structure is formed, which can significantly slow down the transfer rate of internal heat to the outside. This device has the advantages of good heat preservation effect, maintaining a suitable internal temperature for a long time, and flexible adjustment of the internal temperature of the device.

A lotion pump includes a movable portion and a stationary portion. A shifting mechanism is formed on the movable portion and the stationary portion, which shifts the elastic restoring mechanism of the lotion pump between a standby state and a non-standby state as the movable portion rotates or moves up and down. The structure of the lotion pump can prevent the spring from yielding due to compressed for a long time, while can also realize a form of locking at lower position.

The present application relates to the field of temperature measurement, in particular to a kind of metal organic framework crystal material and its preparation method and application.The present application provides a kind of metal organic framework crystal material, wherein the crystal material is connected body 2,6-di (2,4-dicarboxyphenyl) -4- (phenyl) pyridine and Zn (II) connected with the crystal material with periodic three-dimensional network structure.The metal organic framework crystal material provided by the present application still keeps the afterglow characteristic under the condition of smaller particle size, and the charging time is shorter;At the same time, the decay time of the metal organic framework crystal material of the present application is seconds, and the light source only needs ordinary ultraviolet semiconductor light source, and the camera can record the time / color of afterglow decay, as the basis for temperature judgment, which greatly reduces the temperature measurement cost and simplifies the measurement process;In addition, the metal organic framework crystal material of the present application can be synthesized below 120 DEG C, which reduces the production cost and danger.

The application provides an asymmetric anti-adhesion composite film and a preparation method and application thereof. The composite film comprises a bioactive layer and an electrospun fiber layer, and the electrospun fiber layer comprises a first fiber layer and a second fiber layer. The first fiber layer comprises fibers with a first diameter. The second fiber layer comprises fibers with the first diameter and fibers with a second diameter, and the first diameter is larger than the second diameter. The composite film has strong mechanical and degradation resistance properties, and is suitable for anti-adhesion applications of various moving organoids or tissues, so that the composite film still has structural integrity and functional integrity for a long time in these environments. One side of the composite film has adhesive fibers, and has stronger adhesion in a wet state, so that the composite film cannot be easily displaced when applied to moving organoids or tissues.

The utility model relates to grape transportation box technical field, and disclose a grape transportation box with fresh -keeping function, including the bearing box, the bearing box is rectangular frame, the inside lower position of bearing box is provided with detachable support plate, the upper side of support plate is equidistant and is provided with a plurality of hexagonal through slot, the upper side of support plate is provided with a plurality of mounting cavities, and the inside of mounting cavity all has the heat preservation foam of clamping, in the utility model, the protection shell is equipped with in bearing box outside, constitutes the second heat preservation layer, and its airtight structure further enhances the overall heat insulation effect, and the synergistic effect of double heat preservation design greatly prolongs the maintenance time of low temperature environment, ensures that grape is in stable suitable low temperature high humidity environment in the transportation way. Meanwhile, the rigid material of support plate and protection shell strengthens the compressive strength of box body together, prevents the grape breakage caused by the extrusion of upper layer box body when stacking, solves the pain point that traditional packaging is easy to deform, and the short service life of heat preservation.

A compound of the following formula is useful as a host material or an electron barrier material. R1 to R5 are a deuterium atom or an alkyl group, but one or two among R4 and R5 are a phenyl group that may be substituted with an alkyl group. n1 and n3 to n5 are 0 to 4, and n2 is 0 to 3.

This application discloses a power supply device, a resonant converter circuit, and a control method thereof. The circuit includes: an inverter circuit, a resonant circuit, a rectifier circuit, a switch, and a second inductor. The inverter circuit is connected to the resonant circuit and is used to convert direct current (DC) into alternating current (AC) and output it to the resonant circuit. The resonant circuit is connected to the rectifier circuit and is used to resonate and convert the AC power and output it to the rectifier circuit. The rectifier circuit is used to output DC power. The resonant circuit includes a first inductor and a first capacitor, which are connected in series with the first inductor, the first capacitor, and the second inductor. The switch is connected in parallel with the second inductor, and the rectifier circuit is connected to both ends of the second inductor. Through this application embodiment, the output voltage gain of the resonant converter can be increased without affecting the efficiency of the resonant converter, thereby extending the hold-up time.

The invention discloses an picloram triethanolamine salt water agent auxiliary agent and a preparation method thereof. The auxiliary agent is prepared from the following components in percentage by weight: 20-45% of dihydrogenated tallow dimethyl ammonium chloride, 10-20% of triethanolamine, 10-20% of sodium chloride, 5-10% of sodium chloride, 5-10% of sodium chloride and the balance of water. 15 to 30% of hydrogenated tallow amine acetate; 10 to 20% of hexadecyl dimethyl allyl ammonium chloride; 1-2% of dioctyl sodium sulfosuccinate; and the balance water. The picloram triethanolamine ammonium salt aqueous solution processed by the method is not easy to solidify at low temperature, has the characteristics of high efficiency, high environmental and biological safety, good preparation stability and the like, is particularly suitable for northern use, and has a good application prospect.

Provided is a high-capacity, long-life lithium-ion secondary battery. A lithium ion secondary battery that is an example of an embodiment comprises a positive electrode, a negative electrode, a separator that separates the positive electrode and the negative electrode from each other, and an electrolyte, wherein the negative electrode has a negative electrode collector and a negative electrode mixture layer formed on the surface of the negative electrode collector, the negative electrode mixture layer includes a negative electrode active material having a discharge capacity of 400-750 mAh / g and a conductive agent, the negative electrode active material includes a carbon-based material and a silicon-based material, the negative electrode current collector has a thickness of 4-12 µm, the negative electrode current collector has a 1% yield strength of 300-700MPa, and the conductive agent includes carbon nanotubes.

The utility model relates to a portable instant available cold compress patch, which comprises an application patch body and a bandage, the application body comprises an application body, a liquid storage part, a refrigerant containing part, a diaphragm layer and at least one separation belt. The patch body is divided into a plurality of independent parts corresponding to the human body structure by the separation belts. The application body is of a double-layer structure, the diaphragm layer is arranged between the double-layer structure of the application body, and a refrigerant used for refrigeration and a solution used for reacting with the refrigerant are packaged in the refrigerant containing part and the liquid storage part respectively and are isolated by the diaphragm layer. When the portable instant available cold compress patch is used, the diaphragm layer is broken by forcibly extruding, so that a solution in the liquid storage part is mixed with a refrigerant in the refrigerant accommodating part, and the solution reacts with the refrigerant to dissolve a heat effect, so that the temperature is quickly reduced, and a relatively low temperature is provided for a human body for cold compress.

This invention relates to an adaptive annular packer tool. The central tube is cylindrical with four inlet holes evenly distributed circumferentially near the left end, and a triangular thread on the outer side of the center. The sleeve is annular, with six pin holes evenly distributed axially on the right end. The left retaining ring is cylindrical with a pin groove on the outer side of the center, a triangular thread on the inner side of the center, and a 45° conical surface on the inner right end. The rubber sleeve is annular, with a larger outer diameter at the center than at the sides, and 45° conical surfaces at both ends. Each right retaining ring is fan-shaped; ten right retaining rings evenly distributed axially form an annulus, with a tubular structure on the right end containing a spring. The spring is located inside the tubular structure on the right end of the right retaining ring and is compressed during installation. Ten holes are evenly distributed circumferentially on the left end of the end ring. This adaptive annular packer tool can achieve permanent packing of irregular annular shapes.