50results about How to "Unchanged shape" patented technology

An optical adjusting mount capable of movably processing all-solid-state high power lasers comprises a frame, a support and a fine adjustment screw pair, wherein a lens hole of the frame is internally equipped with a baffle ring, a retainer ring is disposed on the front of the baffle ring, four tension spring holes are positioned on the frame, the back face of the frame is equipped with a V-type groove, a concave groove and a ball tapered-groove, the side face of the frame is equipped with a cooling water inlet and an outlet, the support is equipped with four tension spring holes, two holes for the fine adjustment screw pair and a ball tapered-groove which correspond to the frame, the frame and the support are connected through tension springs, each of the ball tapered-grooves of the frame and the support are inlaid with a ball, the fine adjustment screw pair is respectively mounted in the two holes for the fine adjustment screw pair of the support, the front ends of the fine adjustment screw pair are respectively located in the V-type groove and the groove. The optical adjusting mount has the advantages of scientific reasonable design, compact structure, low material consumption and low cost, further utilizes the baffle ring made of low-hardness fine heat conductivity red copper to press the lens on the end face, thereby effectively reducing the lens temperature, and utilizes the V-type groove and the ball for positioning, thereby realizing stable and reliable groove limiting.

The invention provides a composite nano-grade novel material based on cancer early-stage integrated detection, diagnoses, and treatment, and a preparation method thereof. According to the invention, gold nano-cage (gold nano-box) and nano-grade iron oxide are assembled, such that gold nano-cage (box)/nano-grade iron oxide composite particles are synthesized. With an assembling method from the inside to the outside, the gold nano-cage (box) is first prepared; iron oxide is nucleated and grown in the gold nano-cage (box); with a surfactant (such as glucan or the like), mono-dispersed iron oxide is obtained; the iron oxide is packaged by using biological molecules, such that the gold nano-cage (box)/nano-grade iron oxide composite particles are obtained; surface modification is carried out by using biological targeting molecules (antibodies or DNA molecules). The material is used in tumor magnetic resonance imaging, fluorescence imaging, dark field imaging, specific targeting multifunctional diagnosis, and photothermal therapy. The material can also be used as a targeting medicine carrier.

The invention relates to a method for preparing a porous alumina ceramic material through combination of 3D printing and reactive sintering. The method comprises the following steps: 1) adding aluminium powder or aluminium alloy powder into a feeding box of a three-dimensional printer, and printing porous biscuit through the three-dimensional printer; 2) performing processes of solidification, debonding, oxidation and sintering in sequence on the porous biscuit prepared in the step 1) so as to obtain the porous alumina ceramic material.

The invention discloses a self-adaptive median filtering denoising method applied to image processing, which comprises the following steps of: firstly preprocessing an image, and then, (1) sorting data in a filtering window by adopting a divide-and-conquer sorting strategy; And (2) adaptively adjusting the size of a filtering window by combining the noise density. The adaptive median filtering denoising method applied to image processing is high in denoising efficiency and easy to implement.

The invention relates to a method for preparing high phase transition enthalpy phase transition temperature-adjusting fiber from hydrolysis products of waste acrylic yarn, comprising the following steps of: reacting the hydrolysis products of the waste acrylic yarn, such as hydrolysis polyacrylonitrile and polyethylene glycol, according to proportion to prepare graft copolymer polyethylene glycolgrafted hydrolysis polyacrylonitrile; completely dissolving the polyethylene glycol grafted hydrolysis polyacrylonitrile in water, adding boric acid, stirring and completely dissolving, standing and defoaming to obtain a spinning stock solution; and preparing the spinning stock solution into high phase transition enthalpy phase transition temperature-adjusting fiber through wet spinning. Comparedwith the existing phase transition temperature-adjusting fiber, the phase transition temperature-adjusting fiber prepared by the method has the advantages of high phase transition enthalpy, stable phase transition and excellent durability and the like, and can be widely applied to the fields of textile and apparel, energy-saving building materials and certain special fields such as military industry, aerospace, etc.

The present invention relates to one-body type for both sanitary spoon and chopsticks. The one-body type for both sanitary spoon and chopsticks of the present invention is consist of a left/right body as a pair of left spoon and right spoon, which is formed as bisection by the direction of up and down the spoon, and made of mixture of 75% up to 85% of polycarbonate (kind of synthetic resins) and 15% up to 25% of glass fiber; upper end connection part to be shaped as tongs to connect one-body type of the upper end of the left/right body; hinge part for non-crossing each other to be able to move smoothly the left/right body as formed at bottom end of the upper end connection part; a bottom end food contact part to be able to pick up and fill the food in the bottom of the left/right body with moving under of the hinge part; a sawtooth part as a shape of zigzag to go in gear with left side and right side each other to be not able to leak the food, which is formed in the bottom end food contact part; and a food holding part of the food as formed as a shape of projection on a central back side of as entire length of the upper end connection up to the bottom end food contact part, which is formed in below of the sawtooth.

The invention provides a preparing method of high-performance nano-crystalline cellulose/chitin composite fibers. The preparing method comprises the following steps that purified cellulose is subjected to enzymolysis with a cellulase solution, centrifugal separation and ultrasonic homogenization, and then a nano-crystalline cellulose whisker suspension is obtained; mineral substances and protein of chitin powder are removed, then the chitin powder is subjected to catalytic hydrolysis in a hydrogen peroxide solution, centrifugal separation and ultrasonic grinding, and a nano-chitin whisker suspension is obtained; the nano-crystalline cellulose whisker suspension and the nano-chitin whisker suspension are mixed and subjected to vacuum filtration and defoaming, and a composite whisker suspension is obtained; the composite whisker suspension is put into an extrusion vessel, pressurized, heated, extruded and then put on a steel wire mesh, pressure is applied, drying is carried out, and the nano-crystalline cellulose/chitin composite fibers are obtained. The fibers prepared from the method are transparent, small in specific gravity and good in toughness and flexibility.

The invention discloses a supporting structure of a active fault crossing tunnel and a tunnel lining structure, and relates to the technical field of tunnel engineering. The supporting structure comprises a first support and a second support, the first support comprises a first pipeline arranged in the longitudinal direction of the tunnel and a second pipeline arranged outside the first pipeline in a sleeved, and concrete is filled between the first pipeline and the second pipeline, the second support comprises a plurality of first anchor rods radially arranged in the radial direction of the tunnel, one end of each first anchor rod is fixedly connected with the second pipeline, the other end of each first anchor rod extends to external surrounding rock, and a cavity is preset between the second pipeline and an excavation contour line of the tunnel in the radial direction of the tunnel. The supporting structure of the active fault crossing tunnel and the tunnel lining structure have good fault creep diastrophism damage resistance, and damage to the whole tunnel caused by fault creep can be effectively avoided.

The invention provides clothes drying equipment and a control method thereof. The clothes drying equipment comprises a cavity for accommodating to-be-dried clothes and an air duct structure communicated with the cavity and a negative pressure generating device, the air duct structure is used for delivering cold air flow to the cavity, the cold air flow is used for solidifying moisture in the to-be-dried clothes, and the negative pressure generating device is used for forming a negative pressure environment in the cavity, so that solidified moisture of the to-be-dried clothes is sublimed in thenegative pressure environment. According to the equipment and the control method, the problems of wrinkling, deformation, fading and the like of clothes due to excessively high drying temperature canbe effectively prevented, so that the clothes drying effect is better, and the quality and shapes of the dried clothes are unchanged; clothes drying is conducted by using a sublimation principle, theenergy consumption of clothes drying is reduced, the time consumption of clothes drying is shortened, clothes drying is more environmentally friendly, the clothes drying efficiency is higher, and theequipment and the control method are suitable for popularizing and using in a large scale.

The invention discloses a creative processing method of cheese by a freeze-drying manner. The creative processing method comprises the following steps of performing homogenizing treatment on a raw material namely pure milk so as to obtain homogenized pure milk; placing the homogenized pure milk in environment of which the temperature is not lower than 4 DEG C for 55-60 days for fermentation and ripening so as to obtain fermented milk; adding a fermenting agent, performing stirring, and performing fermenting so as to obtain fermented raw milk; adjusting the acidity of the fermented raw milk, and performing whey protein separation so as to obtain a semi-finished cheese product; and placing the semi-finished cheese product in the environment of which the temperature is minus 10 to minus 25 DEG C, and performing freeze-drying treatment under the vacuum condition of which the pressure is 0.01-0.1MPa so as to obtain the cheese, wherein in the freeze-drying process, the semi-finished cheese product is heated by a compound heating manner. The cheese produced by the processing method is free from pathogenic organisms, so that eating safety of the cheese is guaranteed, and besides, the cheese has good taste.

The invention discloses a making method of peony flower bud tea. The making method includes the following steps that 1, collection is conducted, wherein translucent breezing peony flower buds which are about to burst into bloom are collected in the morning and then put into a fresh-keeping container with ice bags; 2, freezing is conducted, wherein in shade places, outer green sepals and redundantpedicels are removed, and the flower buds are stored in a freezer at the temperature of minus 60-minus 25 DEG C to be rapidly frozen until the center temperature of the flower buds reaches minus 25 orbelow; 3, vacuum drying is conducted, the flower buds which are frozen in the second step are placed in drying trays of a vacuum freezing dryer through single layers, vacuum covers rapidly cover thedrying trays, the flower buds are closed tightly, and vacuum drying is conducted until the center temperature of the flower buds reaches 25-30 DEG C; 4, storage is conducted, wherein the flower buds which are treated in the third step are stored in a flower tea container, food additives are placed into the flower tea container, and the flower buds are sealed and kept in a dark place. The shape, color and the flavor of pedals of the obtained peony flower buds are basically kept unchanged, there is no loss of nutrients, drying time is shortened, and the shelf life is prolonged.

The invention discloses a preparation method of a novel PVC (polyvinyl chloride) heat stabilizer, and belongs to the technical field of deep processing of bentonite. The novel PVC heat stabilizer is prepared by the following steps of pulping of materials, acid activity reaction, press filtering, alkalizing, surface modifying of alkaline clay particle surface, drying, crushing and the like. The novel PVC heat stabilizer has the advantages that the content of Ca(OH)2 (calcium hydroxide) is 42-44wt%, the activity index is 97-99%, and the heat stabilizing time is 151-158min; the prepared novel PVC heat stabilizer is a loading type; after the hydrogen chloride is absorbed, the shape of heat stabilizer is constant, and the pollution to PVC caused by releasing of salt or organic matters is avoided; the poison and odor are avoided, and the safety and environment-protection effects are realized.

The invention belongs to the field of wind tunnel experiments and discloses a hard-sealing fast ball valve. The hard-sealing fast ball valve structurally comprises a valve body, a left valve deck, a right valve deck, a ball core, a left valve seat, a right valve seat, a valve rod, an upper supporting plate, a lower supporting plate, a left loading spring, a right loading spring, a left pressing ring, a right pressing ring, an upper sliding bearing, a lower sliding bearing, a valve rod sliding bearing and an upper sealing structure. Hardened layers are sprayed onto the ball core, the left valve seat and the right valve seat. The ball core, the valve rod and a valve seat base body are made of precipitation-hardening stainless steel. The integral upper sealing structure and a valve rod anti-blowing-out safety structure are adopted by the valve. According to the hard-sealing fast ball valve, the supporting plates and a fixed ball structure are adopted, and assembling errors are eliminated to the greatest extent; the ball core, the valve rod, a left valve seat base body and a right valve seat base body are made of the precipitation-hardening stainless steel, and meanwhile the hardened layers are sprayed onto the ball core, the left valve seat and the right valve seat so that high pressure difference and strong impact caused by large flow can be borne; the valve rod and the ball core are connected in a square mode, so that the load at the end of the valve rod is more uniform.

The invention discloses an environment-friendly type sound absorption barrier. The environment-friendly type absorbent sound barrier comprises a box, a box cover and a sound absorption layer, wherein the box cover is movably connected on the box, the sound absorption layer is arranged in the box, and a cavity is formed by the sound absorption layer, the bottom of the box and the box cover. By the aid of the cavity, frequency range for sound absorption and noise reduction is obviously enlarged, and practical effect of the sound absorption barrier is improved. The environment-friendly type sound absorption barrier is good in sound absorption effect, high in strength and stable in structure, and the cavity is flexible and controllable in size.

The invention discloses a beaten fish food and preparation method thereof. The beaten fish food preparation method comprises: firstly, making beaten fish by traditional handwork method; then, freeze-drying by a food vacuum freeze-drying equipment; finally, taking out under normal temperature condition, packaging and obtaining beaten fish food. The beaten fish food of the present invention achieves the advantages of convenience in preserving eating and carrying, long shelf life and light weight; the invention realizes not only packaging, preserving and transporting under normal temperature condition, but also remote sale, and can promote the modernization, technicalization, industrialization and large scale of the agricultural product operation effectively.

Provided is an oil pan structure of an engine, which can easily exhaust oil from an oil pan in a simple structure and meanwhile, suppresses lubricating oil from circulating between an inner oil pan and an outer oil pan when engine heating is carried out. The oil pan is provided with the inner oil pan 5 on the bottom wall of the outer oil pan 4 to form an oil pan 3, a protruding part 22 protruding upwards in a T shape is formed on the bottom wall of the inner oil pan 5, a local gap is arranged between the bottom wall of the outer oil pan 4 and the bottom wall of the inner oil pan 5, and the bottom wall 5a of the inner oil pan 5 above the gap is provided with a communicating hole 5a, and meanwhile, an opening 24 opened with respect to a second storage chamber and a communicating path 23 communicating a first storage chamber 6 and the second storage chamber 7 are arranged at the end of the gap and the position separating from the communicating hole, and an oil outlet facing the second storage chamber 7 is arranged in the outer oil pan 4.

The invention discloses a preparation method of a PVC heat stabilizer, and belongs to the technical field of deep processing of bentonite. The PVC heat stabilizer is prepared by the following steps of: ingredient pulping, acid activating reaction, filter pressing, alkalization, alkaline clay particle surface modification, drying, crushing and the like. According to the produced PVC heat stabilizer, the NaOH content is 40wt%-43wt%; the active index is 96%-98%; the heat stabilization time is 153-160 minutes. The produced PVC heat stabilizer is load-type; the shape and form of the heat stabilizer are kept invariable after hydrogen chloride is adsorbed; no salt or organic material is released to pollute PVC; the prepared PVC heat stabilizer is nontoxic, tasteless, safe and environmentally friendly.

The invention discloses a preparation process of glue fixing and moisturizing type release paper, and belongs to the field of release papers.The preparation process of the glue fixing and moisturizing type release paper comprises the following steps: preparing raw materials ; spraying a film; fixing the film; coating a film; performing drying and edge sealing; and performing quality inspection warehousing; before film coating in the preparation process of the moisturizing type release paper body, a solid glue moisturizing film can be added into the moisturizing type release paper body, when the moisturizing type release paper body is stimulated by the temperature and humidity of the storage environment, the humidity and temperature balance of the moisturizing type release paper body are effectively kept, and the change amplitude of the temperature and humidity is reduced; furthermore, the stability of a stripping silicone oil film connected with the viscous material is effectively maintained, the damage of the change of the moisturizing release paper body to the viscous material is effectively reduced, the stability of the viscous material at the upper end of the moisturizing release paper body is improved, the stripping degree of the moisturizing release paper body and the viscosity of the viscous material are effectively ensured, and the use performance of the moisturizing release paper body is improved.

The invention discloses a preparation method of dried rose flowers. The preparation method comprises the following steps of picking rose flowers, drying the picked rose flowers in shade, and performing vacuum freeze drying. The dried rose flowers can maintain original bright color of the rose flowers, and furthest preserves the nutrient components and the health-care effects of the rose flowers; harm to bioactive effective components of the dried rose flowers is extremely small, and the shapes of the dried rose flowers are well preserved; and the dried rose flowers are low in water ratio, high in sugar content, rosy in color, glittering and translucent, and convenient to transport and store for a long term. The preparation method disclosed by the invention is suitable for the dried rose flowers.

The invention relates to a culture method of an artificial liver repair material based on an adult stem cell-regenerated silk fibroin tissue engineering scaffold. The method mainly comprises two steps: first step, the adult stem cell-regenerated silk fibroin tissue engineering scaffold which is mixed with HGFs (hepatocyte growth factors), FGF4 (fibroblast growth factors 4), bovine serum albumin and a regenerated silk fibroin material and applied to a bioartificial liver is prepared with an electrostatic spinning method; second step, the artificial liver repair material is cultured on the basis of the adult stem cell-regenerated silk fibroin tissue engineering scaffold, and ADSCs (adipose tissue-derived stromal cells) or BMSCs (bone mesenchymal stem cells) adhere to and proliferate on the regenerated silk fibroin material and are induced to form liver-like cells under the action of scaffold sustained-release HGFs and FGF4. The prepared artificial liver repair material based on the adult stem cell-regenerated silk fibroin tissue engineering scaffold has good biocompatibility, excellent biodegradability and excellent mechanical property and is a good alternative scaffold material for the bioartificial liver.

The invention relates to an indoor sample preparation device for preparing a fracture rock sample based on grout repair and belongs to the field of geotechnical engineering. The device is composed of an outer frame, a horizontal adjusting bolt, a vertical adjusting bolt, a guide groove, a die and a pressing plate. A die hole of the die is round or rectangular. By adjustment of the horizontal adjusting bolt, the device adapts to grout repair of the fracture rock sample at a specific width and within an allowable error range; and by adjustment of the vertical adjusting bolt, the indoor sample preparation device adapts to grout repair of the fracture rock sample at a specific height and within an allowable error range. Scales on the inner wall of the main frame of the device and a lug scale of the pressing plate simulate a main scale and an auxiliary scale of a vernier caliper respectively, and the accuracy of a thickness of a grout repair layer can be controlled. The device is reasonable in structure, simple to operate and high in adaptability. The rock sample based on grout repair can be obtained conveniently, safely and quickly through the device.

The invention discloses a vulcanizing mold for an air spring leather bag. The vulcanization mold comprises an upper mold, a middle mold and a lower mold, at least one vulcanization hole is formed in the middle mold, the upper mold is provided with a first plunger used for blocking one end of the vulcanization hole, the lower mold is provided with a second plunger used for blocking the other end of the vulcanization hole, a heating pipeline is arranged in the middle mold, a capsule is in a straight tube shape, one end is sealed, the other end is fixed to the second plunger in a sealed mode, a vulcanization chamber is formed among the first plunger, the second plunger, the inner wall of the vulcanization hole and the outer wall of the capsule, and the air spring leather bag is arranged outside the capsule in a sleeving mode and is located in the vulcanization chamber; a vacuumizing header pipe is arranged in the upper mold and communicates with the vulcanizing chamber; and an air charging and exhausting pipeline is arranged in the lower mold and communicates with the interior of the capsule. The mold is simple in structure and high in practicability.