168results about How to "Prevent collapse" patented technology

The invention includes semiconductor constructions, and also includes methods of forming pluralities of capacitor devices. An exemplary method of the invention includes forming conductive storage node material within openings in an insulative material to form conductive containers. A retaining structure lattice is formed in physical contact with at least some of the containers, and subsequently the insulative material is removed to expose outer surfaces of the containers. The retaining structure can alleviate toppling or other loss of structural integrity of the container structures. The electrically conductive containers correspond to first capacitor electrodes. After the outer sidewalls of the containers are exposed, dielectric material is formed within the containers and along the exposed outer sidewalls. Subsequently, a second capacitor electrode is formed over the dielectric material. The first and second capacitor electrodes, together with the dielectric material, form a plurality of capacitor devices.

A stent delivery system may be used to position a stent in a body lumen. An endoscope may be positionable in the stent delivery system facilitating direct visual observation during placement of the stent. The stent delivery system may include a first conduit, wherein the endoscope is positionable. A second conduit, wherein the first conduit is positionable, may function to releasably position the stent in the body lumen during use. The stent delivery system may include a lock that functions to inhibit movement of the first conduit relative to the second conduit during use. Retraction of the distal end of the second conduit, relative to the first conduit and the stent, may deploy the stent in a body lumen. Indicia, visibly positioned on the proximal end of the stent delivery system, may function to facilitate determination of an extent of deployment of the stent during use.

A capped trimming hard-mask patterning process to form ultra-thin structures can include depositing a hard-mask layer over a layer of patterning material, depositing an imaging layer over the hard-mask layer, patterning the imaging layer and the hard-mask layer, selectively trim etching the hard-mask layer to form a pattern hard mask, and removing the portions of the patterning layer using the pattern hard mask formed from the trimmed hard-mask. Thus, the use of thin imaging layer, that has high etch selectivity to the hard-mask layer, allows the use of trim etch techniques without a risk of hard-mask erosion or the aspect ratio pattern collapse. That, in turn, allows for the formation of the ultra-thin pattern with widths less than the widths of the pattern of the imaging layer.

A seismic isolation apparatus features damping characteristics equivalent to or better than prior art, without burdening the environment. In this seismic isolation apparatus, a cylindrical cavity portion is formed at the middle of an outer side laminated body, which has a form in which respective pluralities of resiliently deformable rubber rings and metal rings for maintaining rigidity are alternately laminated. A helically formed coil spring is disposed in this cavity portion so as to be snugly fitted. An inner side laminated body, which has a form in which respective pluralities of resiliently deformable rubber plates and metal plates for maintaining rigidity are alternately laminated, is disposed at an inner peripheral side of the coil spring.

An oral appliance is disclosed that provides electrical stimulation to a patient's tongue in a manner that prevents collapse of the tongue and/or soft palate during sleep. More specifically, the appliance may induce a reversible current or currents in a lateral direction across the tongue in a manner that shortens the patient's Palatoglossus muscle, which in turn pulls the patient's soft palate downward towards a base of the tongue and/or decreases a volume of the tongue.

The invention discloses a mechanical and jet flow combined exploitation method and a mechanical and jet flow combined exploitation device for natural gas hydrates in non-stratified rock of shallow strata in seabed. The mechanical and jet flow combined exploitation method and the mechanical and jet flow combined exploitation device are used for crushing and exploiting the natural gas hydrates in the non-stratified rock of the shallow strata in the seabed in a composition manner. The mechanical and jet flow combined exploitation method includes drilling pilot holes by an intelligent guide drilling tool, unfolding a mechanical crushing cutter arm after the intelligent guide drilling tool reaches preset locations, carrying out rotary cutting and crushing, starting to carry out jet flow crushing by spray nozzles, opening a flow regulating device, isolating recovery regions from goaves, separating hydrates from sediment by a downhole separator, filling the sediment with CO2, realizing effects of curing backfilled particles and backfilling the sediment in an in-situ manner. The mechanical and jet flow combined exploitation method and the mechanical and jet flow combined exploitation device have the advantages that the crushing radiuses and the exploitation spaces can be enlarged; crushed particles and the backfilled particles can be prevented from being mixed with one another; the sediment which is sorted by the downhole separator is filled with the CO2, accordingly, natural gas in the sediment can be displaced, effects of curing agents can be realized, the strength of backfilled layers can be enhanced, and the goaves can be prevented from collapsing.

A pattern forming method for forming a predetermined pattern on a substrate includes the steps of supplying a developer to a photosensitive film coating the substrate and having a latent image of the pattern formed thereon, to form a pattern of the photosensitive film, replacing the developer with a rinsing liquid, supplying a polymer soluble in the rinsing liquid while drying the substrate, to cover an entire surface of the photosensitive film on the substrate, and removing one of the pattern of the photosensitive film and the polymer by dry etching.

Disclosed is a substrate treating apparatus including the following units: a supplying unit which supplies a process liquid including a sublimable substance in a melt state on a pattern-formed surface of a substrate W; a solidifying unit which solidifies the process liquid on the pattern-formed surface to produce a solidified body; and a sublimating unit which sublimates the solidified body to remove the solidified body from the pattern-formed surface. In this apparatus, the sublimable substance includes a fluorinated carbon compound.

The invention provides a method for preparing a nitrogen doped nanometer titanium dioxide visible light photocatalyst and belongs to the field of titanium dioxide photocatalysis. The invention aims to solve the problem of low catalytic activity and the collapse of porous channels in the preparation process in the prior catalyst. The method comprises the followings steps that: 1), inorganic titanate reacts with a nitrogen containing compound in the presence of a surfactant to generate a sediment, the reaction solution is stirred for 0.5 to 10h and then stood and aged for 0 to 48h; 2), the sediment is subjected to vacuum freeze drying to form a precursor of the nanometer titanium dioxide visible light photocatalyst; and 3), the precursor is calcined at a temperature of between 250 and 800 DEG C for 0.5 to 10h to form the nitrogen doped nanometer titanium dioxide visible light photocatalyst. The method can avoid the collapse of the porous channels, and the prepared catalyst has the advantages of high number of surface active sites, big specific surface area, high catalytic activity, and the like.

The various embodiments of the present invention provide a multi-optics intraocular lens (IOL) scaffold assembly for incorporation into a capsular bag of an eye of a subject, provided with a ring platform and a protective umbrella. Several anterior and posterior ribs are hinged to the ring platform to support a posterior lens and an anterior lens. The dynamic spring elastic junctions are provided between the anterior and posterior ribs. The pendulum IOL assembly of the multi-optics intraocular lens (IOL) scaffold assembly enables a near vision of the objects using an optical system designed for a distance focusing in normal gaze. The pendulum IOL assembly has a posterior lens fixed to an equatorial ring platform and a secondary hanging lens provided with a weight at the lower end to act like a pendulum which swings with the posture of the eye.

The invention discloses an automatic palletizing system of a double-mainline double-output pallet warehouse. The automatic palletizing system comprises a two conveying lines, a palletizing robot and two first chain conveying lines, each conveying line is provided with a vibrating conveyor and an intermediate leveling device, each vibrating conveyor comprises a first support, a first motor and a conveying roller, each first motor is in transmission connection with the corresponding conveying roller, and the transverse section of each conveying roller is of a polygon structure. Each intermediate leveling device comprises a second support, a first lead screw and a first leveling roller, shaft seats capable of sliding up and down are arranged on two sides of each second support, first rotating shafts of the first leveling rollers are arranged in the shaft seats, the first lead screws are connected on the second supports in a threaded manner, and one end of each first lead screw is connected with the corresponding shaft seat. Each vibrating conveyor is positioned between one conveying line and the palletizing robot, the second supports are fixed on the first supports, the first leveling rollers are positioned above the conveying rollers, and the first chain conveying lines are correspondingly positioned on one sides of the conveying lines. Palletizing quality is improved through the vibrating conveyors and the intermediate leveling device.

The invention relates to a heat treatment deformation control method for a large-diameter and large-modulus elliptical molded surface container semispherical shell and belongs to the technical field of container manufacturing. By means of the heat treatment deformation method, due to the fact that an integrated quenching and aging heat treatment tool is designed, the elliptical molded surface container semispherical shell and the heat treatment tool can be tightly matched, the quenching transfer time is shortened, the phenomenon that the top of the shell collapses and pits happen in the circumferential direction of the shell during quenching is avoided, quenching and time aging deformation is reduced, and therefore the heat treatment performance of the elliptical molded surface container semispherical shell can be ensured; and meanwhile, the subsequent machining precision of the shell is also ensured. In addition, a UCON water solution with the concentration ranging from 6% to 10% is adopted in the method to serve as a quenching medium, dynamic flowing of the water solution is maintained, the cooling speed and uniformity of the shell are ensured, meanwhile, quenching deformation is also controlled, and therefore the product precision is ensured.

Method and apparatus for preventing collapse of a structure due to an earthquake by using a construction with a water chamber whose outside contacts a receiving area, provided to the earth's surface, and balance cables each connected to a plurality of weights and variable weights lighter than a predetermined weight. The water chamber is separated from the receiving area and raised form the earth's surface by draining off the water in the water chamber during an earthquake, and returns to its original position by increasing the weight of the water chamber once the earthquake completely stops.

The invention discloses an energy-saving vegetable planting greenhouse and relates to the technical field of planting greenhouses. The greenhouse comprises a greenhouse body of a cuboid structure and a greenhouse ceiling on the top of the greenhouse body. An access opening is formed in the side wall of the greenhouse body in the width direction, a pressure sensor is arranged on the top of the inner wall of the greenhouse ceiling, and at least four heating mechanisms are symmetrically arranged at the bottom of the inner wall of the greenhouse ceiling in the length direction. Each heating mechanism comprises a heating pipe and an air blower, wherein the heating pipe is located above the air blower. Driving devices are arranged on the outer wall of the greenhouse ceiling, PLCs are arranged on the outer wall of the greenhouse ceiling, and the driving devices and the pressure sensors are electrically connected with the PLC controllers. The pressure sensors are arranged on the greenhouse ceiling and matched with the heating mechanisms, accumulated snow can be melted in time under the coordination of the PLCs, the situation that the greenhouse ceiling bears excessive high pressure and collapses is prevented, the greenhouse ceiling is protected, and accordingly the service life of the greenhouse is prolonged.

The invention discloses a steel-concrete composite tunnel lining supporting structure and a manufacturing and construction method thereof. The supporting structure is formed by splicing unit plate pieces with radian in the circumferential direction and axial direction of a tunnel wall. Each unit plate piece is provided with a pair of arc edges and a pair of straight edges. The inner wall of each unit plate piece is provided with protruding ribs at intervals in the straight edge direction. The radian of the protruding ribs is consistent with that of the arc edges, and cavity pillars are formed between the protruding ribs and the unit plate pieces. The surfaces of the protruding ribs are provided with concrete pouring holes, and unit plate pieces corresponding to the protruding ribs are provided with concrete overflowing holes. Meanwhile, the arc edges are inwards bent to form end face flanges, and the straight edges are provided with side edge flanges. The steel-concrete composite tunnel lining supporting structure has the advantages that the supporting structure can bear pressure load of the upper portion of a tunnel and the surrounding rock immediately, and the newly dug tunnel can be supported rapidly and timely and is prevented from collapsing; the supporting structure can be used for the primary lining as well as integrating the primary lining and the secondary lining and an also be used for repairing, reinforcing and the like of crippled tunnels.

The invention relates to a preparation method of elastic porous chitosan sponge. The preparation method comprises the following steps: dissolving fatty aldehyde in absolute ethyl alcohol to prepare a crosslinking agent solution, then soaking blank chitosan sponge into the crosslinking agent solution, taking out the chitosan sponge after a crosslinking reaction, repeatedly washing the chitosan sponge for multiple times by using absolute ethyl alcohol to clear away the crosslinking agent residual on the surface, and air drying the chitosan sponge at room temperature to obtain the elastic porous chitosan sponge. The method provided by the invention has the following beneficial effects: avoiding the defects of collapse and reduced volume of the chitosan sponge after being soaked in an alkali, avoiding the generation of a large amount of wastewater pollution, and ensuring the biosecurity of the sponge in human body; the porous chitosan sponge prepared from the method provided by the invention has elasticity, and the porous chitosan sponge has a broad application prospect in the field of porous scaffolds of tissue engineering due to this property.

An oral appliance is disclosed that provides electrical stimulation to a patient's tongue in a manner that prevents collapse of the tongue and/or soft palate during sleep. More specifically, the appliance may induce a reversible current or currents in a lateral direction across the tongue in a manner that shortens the patient's Palatoglossus muscle and/or Styloglossus muscle SGM, which in turn elevates the base of the tongue toward the roof of the oral cavity, changes the shape of the tongue, pulls the patient's soft palate downward towards a base of the tongue, and/or decreases a volume of the tongue.

The invention relates to a waterproof, anticorrosive and air-permeable expanded polytetrafluoroethylene (e-PTFE) material modified membrane for packing a bottle cap and a preparation method thereof. The e-PTFE material modified membrane comprises an e-PTFE microporous membrane layer for enhancing oil repellence capability and a modification processing layer which are connected together. The e-PTFE material modified membrane has the beneficial effects that pressure balance is realized, rupture, collapse and leakage of a container are prevented, the requirements for water resistance, dust prevention, oil resistance, ventilation, oxidation resistance and acid-base solution corrosion resistance are met, the strength of the material is enhanced and the good welding compactness between the e-PTFE material modified membrane and a plastic product is realized, thus being applicable to developing waterproof and air-permeable stoppers for various packing plastic bottle caps; by virtue of unique press-fitting design, the waterproof and air-permeable stoppers for the packing plastic bottle caps can be manually and automatically installed; and package can be improved without redesign in the case of a series of air-permeable products and ready-to-use components with different sizes.

The invention discloses a cartilage-bone-marrow composite tissue structure based on 3D living cell printing and a method of the cartilage-bone-marrow composite tissue structure. Biological informationof bone tissue is collected and input into a computer for biomimetic modeling, and bio-ink suitable for cells such as cartilage, osteogenesis, mesenchymal stem, vascular endothelium, etc., is prepared; hard materials for printing dense bone area are prepared; various casting agent is prepared; living cells are inoculated into corresponding bio-ink at a certain density; and various types of printing ink are loaded into a printer bin correspondingly, 3D printing is carried out after setting printing parameters, and printed bone tissue is cultured in a tissue engineering bionic incubator. Aftera certain time, the method of temperature control or enzyme control or light control is used to remove casting agent materials at different times, artificial blood vessels are grafted on the outside of the cartilage-bone-marrow composite tissue, and continuous circulation perfusion cultivation is carried out in the tissue engineering biomimetic incubator, so as to achieve the pre-maturation of printed tissue, and the long-term survival and biological function of 3D printing bone tissue can be realized.

The present invention provides an apparatus for selectively preventing the collapse of a collapsible steering column of a vehicle. The invention includes a first steering column member defining first and second opposing surfaces that are fixedly spaced relative to one another. The invention also include a second steering column member connected to the first steering column member for sliding movement The second steering column member defines a third surface opposing and spaced from the first surface. The invention also includes a wedging member selectively moveable between the first and second surfaces for being selectively compressible between the first and third surfaces to limit the sliding movement. The invention selectively prevents the collapse of the steering column.

The present invention provides a hydrotherapy apparatus (10) useful for treating the lower extremities of a user, including the feet, lower legs, thighs, pelvis, and waist. The apparatus includes means for controlling fluid (16) sloughed from the lower extremity, such as that from washing the foot before a pedicure treatment, to prevent contamination of the hydrotherapy vessel (11). The apparatus may also be adapted to cover at least a portion of the fluid surface to prevent loss of water from the vessel.

The invention discloses a liquid metal/polymer composite material, a preparation method thereof and an electronic device, and the preparation method of the liquid metal/polymer composite material comprises the following steps: (1) taking template material particles, and molding the template material particles to form a template; (2) immersing the template into the liquid metal, and filling the liquid metal into pores of the template to form a liquid-filled template; (3) cooling the liquid-filled template to solidify the liquid metal, and dissolving to remove the template to obtain a solid three-dimensional metal network structure; and (4) immersing the solid three-dimensional metal network structure into a solution containing a polymer raw material, and treating to cure the polymer raw material to form a polymer, so that the solid three-dimensional metal network structure is in a liquid state. The method provided by the invention is simple to operate and low in cost, and the prepared liquid metal/polymer composite material has excellent conductivity and has a good application prospect in electronic devices.

A method for cultivating black-spotted frogs, comprising the steps of: (1) selecting species of frogs; (2) cultivating species of frogs; (3) laying eggs and fertilization; (4) hatching of frog eggs; (5) feeding and management of tadpoles (6) the management of young frogs; (7) the management of becoming frogs; the present invention's egg laying capacity is big, and hatching rate is high, effectively avoids the ovum softening of frog ovum, and ovum collapses flatly, avoids the ovum rupture of frog ovum, hatches The hatching rate is above 90%, and the hatching quality is high; the survival rate of tadpoles is high, and the survival rate of tadpoles is above 95%; the black-spotted frog has strong vitality, large size, good quality, improved color and taste, and increased survival rate. The output is greatly improved, the growth cycle is shortened, the breeding cost is reduced, and the economic benefit is improved.

The invention provides a preparation method for a highly acid Y type molecular sieve. The method comprises the following steps a, mixing a silicon source, an aluminum source, an alkali source and water and then carrying out ageing at a predetermined temperature so as to obtain a Y type molecular sieve guiding agent; b, mixing the Y type molecular sieve guiding agent, the silicon source and water at room temperature under stirring, then adding the aluminum source and the alkali source under stirring, carrying out crystallization at 90 to 110 DEG C for 12 to 48 h, and successively carrying out cooling, washing, pumping filtration and drying at 30 to 80 DEG C so as to obtain a NaY type molecular sieve; and c, treating the NaY type molecular sieve in an aqueous solution of an ammonium salt, then treating the NaY type molecular sieve in an acid solution, carrying out treatment in a solution containing cetyl trimethyl ammonium bromide, ammonia water and LaCl3 and then roasting the NaY type molecular sieve at 400 to 600 DEG C for 1 to 10 h so as to obtain the Y type molecular sieve. The preparation method provided by the invention is simple in process and low in cost, and prevents collapse of the crystal lattice of the molecular sieve and destroy of microporous channels while preparing the highly acid Y type molecular sieve with a high degree of crystallization.

The invention discloses a method for realizing a photoresist microstructure. The method comprises the following steps: preparing a netlike negative photoresist microstructure on the surface of a substrate; stripping the netlike negative photoresist microstructure from the substrate and spreading the netlike negative photoresist microstructure on a solid positive photoresist substrate, wherein the solid positive photoresist substrate is arranged on a conductive substrate; embedding the netlike negative photoresist microstructure into the surface layer of the solid positive photoresist substrate by a hot pressing method, and meanwhile adhering the solid positive photoresist substrate to the conductive substrate; and exposing and developing the solid positive photoresist substrate with the netlike negative photoresist microstructure embedded in the surface layer and being adhered to the conductive substrate on a prearranged mask to obtain the photoresist microstructure. By using the method, a layer of netlike negative photoresist microstructure is hot-pressed on the surface of the positive photoresist substrate, so that each easily inclined and collapsed part in the photoresist microstructure obtained after exposure and development of substrate is connected by the netlike negative photoresist microstructure on the surface to form a whole body, so that the inclination and the collapse of each part can be effectively prevented.

The invention provides a rotary drilling type sand-pumping hole-forming side wall high-pressure grouting device and a construction method. The rotary drilling type sand-pumping hole-forming side wall high-pressure grouting device is characterized in that an inner protection cylinder is sleeved with a floral tube in a wrapping mode, a steel protection cylinder is fixedly arranged on the portion, located on the lower portion, of the outer portion of the inner protection cylinder in a sleeving mode by a certain length, an annular cavity is formed between the inner protection cylinder and the floral tube, a grout storage layer is formed, an opening in the top end of the grout storage layer is blocked by a pressing sheet, the grout storage layer communicates with a grouting machine for grouting, a rotary type drawing disc is arranged in the bottom end of the inner protection cylinder in a spliced mode, a chain bucket device is arranged in the inner protection cylinder, and a plurality of evenly-distributed digging buckets used for digging sand are arranged on the chain bucket device. According to the rotary drilling type sand-pumping hole-forming side wall high-pressure grouting device, high-pressure grouting is conducted on the side wall of a pile hole while suction type drilling is conducted, and the foundation structure condition is improved through the technology in which the pile periphery is solidified through pressure grouting of the side wall of the pile hole.

The invention discloses a vertical vibrating pre-forming production process for a large-diameter reinforced concrete drainage pipe. A wet production process is adopted, pipe dies comprising a bottom die, an internal die and an external die are vertically stood on a ground or in a maintenance kiln, and an inserted vibration rod or an attached vibrator vibrates a concrete mixture in the pipe dies to pre-form the drainage pipe. The process comprises the steps of: manufacturing a reinforcement cage, mounting the reinforcement cage, cleaning the pipe dies, painting with a separant, assembling the pipe dies, stirring concrete, concreting, maintaining, de-molding and stacking. According to the production process, construction is facilitated, natural maintenance can be realized, energy sources can be saved, and industrial waste residues air-granulated steel slag can be used instead of yellow sand to reduce the discharge of the waste residues. Moreover, only about a half of equipment of a centrifugal process and a roller suspension process is adopted, so that more than a half of investment can be saved.

The invention discloses a method for preventing progressive collapse of a high and large formwork support. The method comprises the following steps of: 1) modeling the high and large formwork support; 2) applying simulated loads to a model of the high and large formwork support; 3) calculating instability coefficients I corresponding to defects of the high and large formwork support; 4) adding auxiliary measures and recalculating instability coefficients II; and 5) comparing the instability coefficients I with the instability coefficients II. According to the method, the stress characteristics of a formwork support system during a construction period can be analyzed by modeling, and after calculation, the overall stress and the progressive collapse resistance of the formwork support are analyzed, and then improved technical measures on design and construction of the formwork support are provided. After the auxiliary measures are applied, the instability coefficients in the presence of the defects are recalculated, and then whether the auxiliary measures are effective or not is judged by comparing the instability coefficients in the presence of the defects with the instability coefficients when the auxiliary measures are not applied, so that the application of the auxiliary measures is guided, and the high and large formwork support is prevented from collapsing.

The invention relates to a filter tip, in particular to a cigarette filter tip. The cigarette filter tip comprises a filter tip stick. The filter tip stick comprises cylindrical short sticks axially arranged at intervals. The outer surfaces of the short sticks are smooth. Every two adjacent short sticks are connected through a connecting stick. A continuous groove is formed on the annular outer surface of each connecting stick. The filter tip stick is formed by alternately connecting the short sticks and the connecting sticks with the continuous grooves at intervals. An air guide groove is axially formed in each short stick. The air guide grooves in every two adjacent short sticks form an included angle of 180 degrees. The depths of the air guide grooves are not less than those of the grooves of the connecting sticks. According to the filter tip disclosed by the invention, adjacent filter tip sticks are prevented from being meshed in a molding process, the cigarette filter tip can be conveniently molded, smoke can be smoothly circulated, the flowing distance of the smoke is prolonged, and the damage of cigarettes to the health of a smoker is appropriately reduced.

The invention provides a support device for mount a luggage rack of an automobile, in the technical field of automobile parts. A reinforcing sheet metal (2) is located below a top cover outer plate (1). A clamp spring (3) of a support device is fixedly connected with an upper end of an inner stud (4), an external stud (5) is sleeved on an internal stud screw portion (7) at the lower end of the internal stud (4) through an external stud screw hole (6), the lower end of the external stud (5) abuts against the upper surface of the reinforcing sheet metal (2), and a connecting bolt (10) is arranged so as to be capable of penetrating a connecting structure of the external stud (5) and the internal stud (4) and a luggage rack assembly (11). The support device for mounting the automobile luggagerack can effectively eliminate the tolerance accumulation between the outer plate of the top cover and the reinforcing sheet metal, solve the problems of inconsistent height of the mounting point, collapse, deformation and the like after mounting the luggage rack, and improve the mounting efficiency and quality.