14results about How to "Easy and quick to make" patented technology

The invention relates to a fixing device for bridge group anchors and a construction method, the fixing device for bridge group anchors comprises a plurality of steel strands and anchor bearing plates, and further comprises a mounting frame, the mounting frame comprises a back plate and a plurality of partition plates, the partition plates are fixedly mounted on the back face of the back plate, the partition plates divide the back plate into a plurality of compartments, and round holes are formed in the portions, in the middles of the compartments, of the back plate; and the anchor boxes are fixedly installed in the compartments, and installation parts of the anchor boxes penetrate through the round holes, are located on the front face of the back plate and are suitable for steel strands to penetrate through. According to the fixing device, an installation pipe is fixedly installed on a fixing plate, a steel strand penetrates through the installation pipe, and a pipeline installation hole is formed in an installation part of an anchor box and used for installing the installation pipe in a penetrating mode; the angle of the anchor box is adjusted and fixed when the anchor box is mounted, then the mounting pipe and the steel strand are positioned and fixed, the influence on the mounting angle of the steel strand in the subsequent construction process is avoided, the incident angle of the steel strand can be accurately controlled, and firmness and reliability are achieved.

The invention discloses a pneumatic soft crawling robot with a bionic scale structure. The pneumatic soft crawling robot is formed by combining a driver body and a pneumatic connector, wherein the driver body is formed by combining a head structure, a vacuum cavity, a scale structure and a tail structure; the head structure and the tail structure are hard parts and are connected with the soft vacuum cavity; the vacuum cavity is formed by communicating a plurality of soft cavities, and a hard reinforcing structure is embedded in the middle of each cavity; the scale structures are made of hard materials, and the bottom of each soft cavity is connected with a hard scale. The pneumatic connector is provided with an air inlet hole and is connected with the driver body through a thread structure. The crawling robot has the advantages of being small in size, high in environmental adaptability, high in stability and good in flexibility.

The invention discloses an under-liquid super-amphiphobic oil-water switchable separation material based on photocuring 3D printing, which is obtained by photocuring 3D printing of a monomer containing conjugated double bonds, an initiator and a precursor of a metal organic framework material, and the water contact angle of the material in air is 90-175 degrees. The underwater oil contact angle in the same oil-water system is 90-180 degrees, the oil-water contact angle in oil is 90-180 degrees, after the material is subjected to abrasive paper friction treatment for 10 cycles, an oil-water mixture can still be separated in a water-passing oil-blocking or oil-passing water-blocking mode, and the separation efficiency is higher than 99.5%. The invention also discloses a preparation method of the composition. The oil-water separation material disclosed by the invention not only can realize submerged super-amphiphobic property in a plurality of oil-water systems and meet the switching between underwater oleophobic property and under-oil hydrophobic property in different types of oil-water systems, but also can be higher than 98.20% in separation efficiency after 50 cycles of oil-water separation, is high in friction resistance, and is low in cost due to the fact that all the raw materials are commercially available raw materials. The preparation is simple and visual, the energy consumption is low, and the popularization and application are facilitated.

The invention relates to the technical field of medical instruments, in particular to a chair-side digital immediate load-bearing temporary denture manufacturing method, which adopts a semi-digital immediate load-bearing temporary denture manufacturing method, and compared with a traditional denture manufacturing method, the method has the advantages that the process is simple, the steps of mold taking and plaster duplicating are cancelled, the data adaptation is accurate, and the cost is low. The manufactured finished product is high in adaptability and precision, the intraoral rigid support is directly used as a false tooth bearing and adhesive acceptor, multiple times of intraoral verification and other operations are avoided, the manufacturing process is short, and manufacturing is easy and fast; in addition, compared with a pure digital manufacturing method, the finished product original factory composite abutment is high in precision and more concise and accurate in process, the temporary false tooth digitally manufactured by the method can compensate false tooth manufacturing errors in a form of bonding and manufacturing with the temporary false tooth rigid support, so that the purposes of quicker manufacturing and lower manufacturing cost are achieved. And the finished product has better adaptability and precision, and is suitable for comprehensive popularization.

The invention provides a novel preparation method of a tetralone compound, which comprises the following steps: reacting a 1, 6-eneyne compound with water under the synergistic catalysis of transition metal and an amine nucleophilic reagent to generate the tetralone compound. The synthesis method is simple and rapid in preparation process, low in catalyst price and wide in substrate applicability, so that the synthesis method is expected to be used for industrial production. # imgabs0 #

The application relates to a manufacturing process of an integrated non-invasive oxygen mask, which comprises the following steps: S1, cutting first raw materials and second raw materials required for manufacturing the oxygen mask; S2, opening air inlet holes and air outlet holes; S3, assembling and fixing a gas connecting piece; S4, manufacturing a neck warmer fabric; S5, manufacturing a neck warmer; S6, welding a neck warmer air nozzle; S7, integrally fixing the neck warmer; S8, manufacturing a barrel-shaped side wall; S9, welding an air leakage prevention barrier sheet; S10, manufacturing a containing body for containing a patient's head; and S11, assembling a gas charging and discharging device. The application has the advantages of simple and fast manufacturing, low cost, high efficiency, integration after complete manufacturing, no need for the patient to assemble by himself / herself, immediate wearing after taking out when the patient needs to use, manual pressing of the gas bag to charge the neck warmer with gas, close contact of the air leakage prevention barrier sheet on the neck of the patient by the convex part of the gas bag, formation of a closed space in the oxygen mask, good airtightness, simple and fast wearing and taking off.

This invention discloses a method for preparing gold-coated silica nanoparticles with an egg yolk shell structure. The method involves adding trisodium citrate solution, tannic acid solution, and sodium carbonate solution to a flask and stirring. After heating, chloroauric acid solution is added, and stirring continues while maintaining a certain temperature to obtain a gold nanoparticle solution. The gold nanoparticle solution, anhydrous ethanol, ammonia, and hexadecyltrimethylammonium bromide are then added to the flask, stirred, and resorcinol is added, with continued stirring. After the reaction, formaldehyde is added dropwise, followed by tetraethyl orthosilicate. The reaction product is washed multiple times with deionized water by centrifugation, dried overnight in an oven, calcined, and then washed multiple times with deionized water by centrifugation and dried in an oven to obtain gold-coated silica nanoparticles with an egg yolk shell structure. This one-pot sol-gel method is low-cost, simple, and rapid, producing gold particles with uniform morphology, a uniform silica shell thickness, and a large internal space within the egg yolk shell.

The invention discloses a method for constructing a three-dimensional structure material based on a metal modified conjugated covalent organic plane Co-TCNB COF and application, and the method comprises the following steps: adding 1, 2, 4, 5-tetracyanobenzene and cobalt metal salt into an organic solution, and mixing; the preparation method comprises the following steps: heating to react, collecting precipitate, carrying out vacuum drying to obtain Co-TCNB COF, adding the Co-TCNB COF and piperazine or pyrazine into a solution to react under the assistance of ultrasonic waves, centrifuging, and carrying out vacuum drying to obtain the three-dimensional structure material. An interlayer bridging ligand piperazine or pyrazine is introduced on the basis of a Co-TCNB planar material to construct a Co-TCNB-PIP or Co-TCNB-PA material with a stable three-dimensional structure, the interlayer bridging ligand can avoid a serious pi-pi lamination phenomenon between the planar materials and promote transfer of interlayer charges, and when the Co-TCNB-PIP or Co-TCNB-PA material is used as a lithium battery negative electrode material, the material has a good application prospect. And the material has higher cycling stability, high conductivity and better ion diffusion dynamic characteristics.

The invention discloses a facial injection filler for cosmetic and plastic surgery and a preparation method thereof, and relates to the technical field of cosmetic and plastic surgery. The preparation method comprises the following steps: firstly, preparing raw materials including hyaluronic acid, PCL microspheres, CMC gel, collagen powder, L-polylactic acid, beta tricalcium phosphate, vitamin powder, an excipient and water for injection; the preparation method comprises the following steps: taking hyaluronic acid and water for injection, dissolving the hyaluronic acid in the water for injection, and uniformly mixing for 30 seconds to obtain a hyaluronic acid solution; adding PCL microspheres, L-polylactic acid and beta tricalcium phosphate into the obtained hyaluronic acid solution, and continuously mixing for 2-3 minutes to obtain a mixed solution; and continuing to add collagen powder and vitamin powder into the mixed solution, mixing for 5-8 minutes, and the like. The facial injection filler for cosmetic and plastic surgery is safe in use components and free of toxic and side effects, can play a good repairing and filling effect on the face when acting on the face, and is excellent in overall cosmetic effect.

A preparation method of a test paper type sample cell for liquid terahertz spectrum detection comprises the following steps: step 1, carrying out surface microstructuring treatment on a substrate, generating a micron structure on the surface of the substrate, and carrying out chemical modification, natural airing or low-temperature thermal separation blow-drying on the substrate with the micron structure, so as to form a super-hydrophobic region and a region which is not soaked by a solution; the non-modified area has no super-hydrophobicity; step 2, setting an area for adsorbing liquid to be detected in the super-hydrophobic area, ablating to remove a chemical modification layer on the surface of the microstructure on the area by using a laser precision selective scanning method, and changing the area into a super-hydrophilic area to form a super-hydrophobic-super-hydrophilic patterned mixed surface, the test paper type sample cell is a test paper type sample cell with a super-hydrophilic surface and a super-hydrophobic-super-hydrophilic patterned mixed surface. The device is low in manufacturing cost and can be used as a disposable consumable; cleaning is not needed, and replacement can be carried out immediately after use; the operation is simple; and the signal loss is low.

The invention provides a porous laser-induced graphene electrode, a preparation method, a product and application, and belongs to the technical field of environmental protection. The preparation method of the graphene electrode based on porous laser induction comprises the following steps: carrying out laser direct writing on the surface of an organic polymer film, and collecting a black material when the surface of the organic polymer film becomes black; and dispersing the black material in a solution, then coating the surface of a substrate electrode with the obtained dispersion liquid, and drying to obtain the porous laser-induced graphene electrode. According to the present invention, the porous laser-induced graphene electrode is adopted as the working electrode, and the porous laser-induced graphene electrode is adopted as the electrochemical sensor so as to be applied to detection of BPA in the actual environmental sample, such that the wide detection range, the low detection limit, the high sensitivity, and the good repeatability and the good stability are provided;

The utility model discloses a special safety component for building first floor sewage pipe installation reinforcement, include: sewage pipe support piece (1), sewage pipe support piece (1) is used for supporting sewage pipe (4), sewage pipe limiting piece (2), sewage pipe limiting piece (2) is connected to the both sides of sewage pipe support piece (1) symmetry or asymmetry, wherein, one end of each sewage pipe limiting piece (2) is connected with the outer wall of sewage pipe support piece (1), and the other end of each sewage pipe limiting piece (2) is connected with the steel mesh (7) on reinforced terrace (6) through limiting rope (5) and is connected as a whole or is directly anchored into plain concrete terrace. The utility model simple structure, novel and reasonable design can effectively reduce the risk of sewage pipe settlement cracking or joint drop due to backfill soil settlement during the use of sewage pipe, and when installing, it is simple and quick, and can be directly installed on the construction site without the aid of other tools, saving time and being efficient.

The invention provides a novel preparation method of a pyrazoloquinoline compound, which comprises the following step: reacting a 1, 6-eneyne compound with a hydrazine compound under the condition of normal-pressure air to generate the pyrazoloquinoline compound. The synthesis method is simple and rapid in preparation process, and does not need inert gas protection and use of a catalyst, so that the synthesis method is expected to be used for industrial production.