457results about How to "Increased intensity" patented technology

A method of adapting a visual unit having a first screen (10) in a first focal plant by the addition of one or more at least partially transparent display screens (20) at least partially overlapping said first screen (10) and located in focal planes distinct from said first focal plane, characterised in that an at least partially transparent emissive layer (21) is provided between said first screen (10) and at least one said additional display screen (20).

The invention provides an electric pressure cooker. The electric pressure cooker comprises a locking cover (1) and an inner pot (2). Lifting handles (3) extending towards the outer side in the radial direction are arranged on the circumferential side of the inner pot (2), and an avoiding gap (4) for allowing the lifting handles (3) to extend out is formed in the locking cover (1). By means of the electric pressure cooker, the problem that in the prior art, as a lifting handle structure of an electric pressure cooker is that the gaps are formed in an outer pot to avoid a handle of an inner pot, the strength of the outer pot is influenced can be solved.

An optical fiber which, at an optical fiber connecting end having a plurality of voids around the periphery of a core, has a light-permeable substance, such as a resin or glass whose refractive index is lower than that of quartz type substances, filled in the voids adjacent to the connecting end. An optical fiber connecting section where an optical fiber having a plurality of voids in a clad around the periphery of a core is connected to another optical fiber, wherein the optical fiber is connected end-to-end to aforesaid another optical fiber through a refractive index matching agent whose refractive index at the minimum temperature in actual use is lower than that of the core.

The invention discloses pervious concrete and a construction method thereof. The pervious concrete comprises the following raw materials in percentage by weight: 13.1-15.9% of cement, 12.7-15.6% of river sand, 59.6-66.0% of stones, 3.7-3.9% of water and 4.5-5.0% of admixtures, wherein the admixtures comprise the following raw materials in percentage by weight: 45-50% of ultrafine mineral powder, 15-20% of heavy calcium carbonate, 15-20% of gypsum powder, 3-5% of polypropylene fiber, 5-10% of a polycarboxylate water reducing agent, 4.2-8.4% of adhesive powder and 2-5% of a pigment. The pervious concrete provided by the invention has relatively high water permeability, strength and durability; after the pervious concrete is applied to a practical engineering, the pervious concrete can greatly improve the problem of poor drainage of a hardened road surface, so that the development of the pervious concrete can be promoted.

The present invention is a friction stir welding machine adapted to perform solid phase welding on a welding portion of materials to be welded, by pressing a welding tool against the welding portion of the materials to be welded while rotating the welding tool, and forcing the welding tool to be advanced into a softened portion which is softened by a frictional heat while stirring the softened portion, wherein a coating made of aluminum nitride is formed on at least a region of the welding tool to be in contact with the materials to be welded.

The invention discloses a preparation method of a compound type light-weight high-intensity nickel-titanium memorial alloy base high damping material. In the method, a powder sintering method is mainly used as a foundation and a pressureless infiltration technology is used as assistance; a pore-creating technology is firstly adopted; and a unit metal powder cascade sintering method is used for preparing a porous nickel-titanium alloy the holes of which are uniformly distributed; and then the pressureless infiltration technology is adopted for inducing the pure magnesium or magnesium alloy phase with high intrinsic damping, low density and micron scale into the porous nickel-titanium alloy, thereby preparing the high-damping magnesium(or magnesium alloy)/nickel-titanium memorial alloy base compound material the damping control phase of which is magnesium or the magnesium alloy. The compound nickel-titanium memorial alloy prepared by the invention still has the shape memory effect and the superelasticity action as well as has weight lighter than that of the compact nickel-titanium memorial alloy and intensity and damping capacity more excellent than that of the common porous nickel-titanium memorial alloy. The preparation method has good technical suitability, simple preparation process and low cost, and can be used for manufacturing the light-weight high-intensity compound damping materials, damping structures and apparatuses.

The invention relates to a graphite-paraffin composite phase-changing and energy-storing concrete and a preparation method thereof. In the phase-changing and energy-storing concrete, cement, water, sand, gravels and a water reducer are used as substrates, and paraffin phase-changing materials, graphite with enhanced heat conducting function, and fiber reinforced materials with enhanced mechanical strength are also comprised. The preparation method comprise the steps of: firstly, mixing the paraffin and the graphite, heating until the paraffin totally melts, and continuously stirring to uniformly mix the paraffin and the graphite into a viscous form; putting the sand and the gravels into a stirrer, then putting fibers and the cement, carrying out dry mixing, adding the water and the water reducer subsequently, and rapidly stirring to reach a uniform state; and then putting the molten paraffin-graphite viscose mixture into the obtained concrete mixture, and uniformly mixing. Because the graphite is added into the paraffin to be used as an additive, the coefficient of heat conductivity of the phase-changing and energy-storing concrete is greatly enhanced, so that the heat storing and releasing efficiency of an energy-storing material is enhanced.

The invention discloses slurry for a photo-curing 3D-printing dental implant as well as a preparation method and application of the slurry. The slurry contains the following raw material components: silicon nitride ceramic powder, photosensitive resin, a photoinitiator, an active diluent, a dispersing agent and an aid, wherein the volume ratio of the photosensitive resin to the silicon nitride ceramic powder is (3 to 7)-(1 to 9), the adding proportion of the photoinitiator is 0.1wt%-1.5wt% of the photosensitive resin, the adding proportion of the active diluent is 15wt%-30wt% of the photosensitive resin, the adding proportion of the dispersing agent is 0.1wt%-1.5wt% of the silicon nitride ceramic powder, and the adding proportion of the aid is 0.1%-1% of total mass of the slurry. The dental implant prepared from the slurry has good biocompatibility, and besides, the strength, breaking tenacity and wear resistance of the dental implant are greatly improved.

A method comprising: assembling a battery pack core; holding the core in a mold that forms a molded resin region; closing a cavity of the mold; injecting synthetic resin into the closed cavity; and ejecting the battery pack from the cavity to configure the battery pack with the battery pack core insert-molded in the molded resin region. A projection that protrudes towards an inner surface of the mold cavity is provided on the surface of the insulating cover fixed on the battery. In the resin injection step, the projection on the insulating cover is pressed directly or indirectly by the mold in a direction putting the insulating cover tightly in contact with the surface of the battery; and synthetic resin is injected into the cavity of the mold in this pressed configuration.

The invention provides Al-Mg alloys for automobile body sheets and a manufacturing method thereof, belonging to the technical field of alloy materials. The invention solves the problem that the existing 5754 series alloys have poor strength and impact resistance. The alloys comprise the following components in percentage by weight: 0.001-0.25wt% of Cu, 0.05-0.35wt% of Mn, 2.5-3.5wt% of Mg; 0.005-0.25wt% of Cr, 0.008-0.8wt% of Zn, 0.01-0.15wt% of Ti, 0.001-0.2wt% of Zr, not more than 0.2wt% of Si, not more than 0.3wt% of Fe and the balance Al. The alloys have the advantages of good impact resistance and plasticity and strong feasibility, and the manufacturing method has the advantage of realizing the aims of energy conservation and emission reduction in the process of machining.

A sheet manufacturing apparatus includes a defibrating unit configured to defibrate a defibration object including at least a fiber, in air. The sheet manufacturing apparatus forms a sheet by adding quantity of heat to a defibrated material defibrated at the defibrating unit. The sheet manufacturing apparatus includes a measuring unit configured to acquire moisture amount information of the defibrated material or the defibration object, and a controller configured to control the quantity of heat to be added to the defibrated material on the basis of the moisture amount information.

A medical-device magnetic guiding position detecting system that can prevent a decrease in the strength of a position detecting magnetic field in an operating area of a medical device is provided. The medical-device magnetic guiding position detecting system includes a medical device that is disposed in the body of a subject and that includes at least one magnet and a circuit including an internal coil, a first magnetic field generating unit for generating a first magnetic field in the operating area of the medical device, position detecting means for detecting an induction magnetic field induced in the internal coil due to the first magnetic field, and at least one pair of opposing coils for generating a second magnetic field that acts on the at least one magnet. The opposing coils forming each of the at least one pair are independently driven.

The invention discloses an epoxy adhesive fast curable at room temperature and a preparation method thereof. The adhesive is composed of a component A and a component B, wherein the component A and the component B are cooperatively used according to a volume ratio of 100: (40-60). The component A comprises 60 to 80 parts of epoxy resin, 20 to 40 parts of flexible epoxy resin, 40 to 60 parts of a flexibilizer, 4 to 6 parts of a coupling agent, 40 to 60 parts of a filler and 4 to 6 parts of hydrophobic fumed silica. The component B comprises 20-40 parts of a modified polyamide curing agent, 20-30 parts of a modified aliphatic amine curing agent, 15-25 parts of a modified alicyclic amine curing agent, 3-10 parts of a toughening accelerator, 5-10 parts of a toughening agent, 20-30 parts of a filler, 2-3 parts of hydrophobic fumed silica and 2-3 parts of a coupling agent. The adhesive has the advantages of appropriate operation time, fast strength improvement capability, high toughness, good mechanical strength, and excellent adhesion to metals and composite materials.

The invention relates to an anchor rod construction method in a drilling, spraying and infusing integrated enlargement body; a single-pipe drilling, spraying and infusing aiguille equipped with a hydraulic controllable on-off auxiliary grouting hole and a long drillrig anchor rod driller which can implement the single-pipe high-speed spraying jet cutting technique are adopted to drill holes; when the drilled hole reaches a set depth, the aiguille is moved to a set position of an anchor root hole section; high-pressure clear water or grout is conveyed to the aiguille to produce a high-speed spraying jet cutting anchor hole sidewall and form an anchor root hole meeting the design need; after the operation of the anchor root hole enlargement is completed, the aiguille is lowered to the bottom of the anchor hole, then the aiguille is slowly retreated and the grout is continuously infused by the auxiliary grouting hole till the grouting of the anchor hole or the grouting replacement of the anchor hole is completed, then an anchorage cable body is lowered to the anchor hole with filled grouts to form the anchor rod of the enlargement body. The aim of the invention is to provide an anchor rod construction method in the drilling, spraying and infusing integrated enlargement body, which has high bearing capacity of the anchor rod, good durability, less construction equipment, simple technology, high efficiency, low cost and no pollution, and can carry out construction operation under the conditions of various stratums.

A quickly-solidified tile adhesive comprises the raw materials in parts by weight: 20-40 parts of quick-hardening cement, 40-50 parts of quartz sand, 10-20 parts of fly ash, 10-20 parts of calcium carbonate, 2-4 parts of redispersible latex powder, 0.2-0.5 part of cellulose ether, 0.1-0.3 part of starch ether, 0.2-0.5 part of water repellent, 0.1-0.4 part of retarder and 1-5 parts of early strength agent. The quick-hardening cement, the quartz sand and the fly ash are used as raw materials to prepare the quickly-solidified tile adhesive, the adhesive is short and adjustable in initial setting time, the strength growth is fast, the fixed waste fly ash generated by thermal power plants is effectively utilized, the adhesive also contains organic high-molecular polymer capable of being compounded with the ceramic tile and the indoor environment pollution cannot be caused.

The invention provides a fingerprint identification device. The fingerprint identification device comprises a cover plate element, a base plate and a thin plate attached on the base plate, wherein the thickness of the thin plate is smaller than that of the base plate; the base plate is provided with a through hole; a fingerprint identification module comprises a flexible circuit board and a fingerprint sensor connected with the flexible circuit board; the fingerprint sensor is configured to sense fingerprints of fingers of a user; the fingerprint identification module is arranged in the through hole of the base plate so that the distance between the fingerprint identification module and finger touch of a user is approximately equal to the thickness of the thin plate; the flexible circuit board is arranged on one side of a second surface of the base plate, and the flexible circuit board is partially attached on the second surface of the base plate at least. According to the fingerprint identification device, the cover plate covers the fingerprint identification module so that electronic equipment with the fingerprint identification device has complete and good appearance, and better strength.

The invention discloses waterproof crack-resistant foam concrete and a manufacture method thereof. The waterproof crack-resistant foam concrete is formed by mixing and stirring of raw materials including, by weight, 220-350 parts of cement, 90-180 parts of microspheres, 1-6 parts of elastic particles, 0.30-0.45 parts of palm filaments, 60-160 parts of water, 2-9 parts of waterproof admixtures and foam. The waterproof crack-resistant foam concrete and the manufacture method thereof have the advantages that the raw materials such as industrial by-products, tailings powder or waste rubber powder and the palm filaments are adopted, and the multi-scale toughening principle on compounding of the elastic particles and fibers is followed, so that strength and crack resistance of the foam concrete are improved, and waste resource utilization is benefited; the adopted waterproof admixtures are highly compatible with other materials, and accordingly, water resistance and durability of the foam concrete are improved effectively; by the prepared foam which is fine, uniform and high in stability, anti-permeability and thermal performance of the foam concrete are improved; the foam concrete is applicable to heat insulation of building walls and roofs and roadbed refilling materials for highways in regions with soft soil and high water level.

The invention relates to a single-component quick-drying and quick-hardening type polymer cement waterproof coating and a use method thereof. The polymer cement waterproof coating is prepared from the following raw materials in parts by weight: 30-55 parts of 42.5-level polymer cement waterproof coating, 25-60 parts of 40-200-mesh quartz sand, 0-15 parts of 320-mesh coarse whiting, 5-15 parts of polyacrylate copolymer latex powder, 6-10 parts of anhydrous sodium sulphate, 1-3 parts of water glass, 0.05-1 part of a water repellent, 0.05-0.3 part of an early strength agent, 0.05-0.25 part of a retarder, 0.5-2 parts of calcium oxide, 0.05-0.3 part of cellulose ether, 0.05-0.5 part of a powdery water reducing agent and 0.05-0.3 part of a powdery defoaming agent. By virtue of the single-component quick-drying and quick-hardening type polymer cement waterproof coating, the construction speed is greatly increased, the construction period is greatly shortened, the problems that a waterproof coating film is low in early strength and falls after being soaked in water are solved; and furthermore, by utilizing a single-component powder packaging manner, the polymer cement waterproof coating can be stored and transported at a low temperature.