40results about How to "Won't change size" patented technology

The invention discloses a non-iteration complex amplitude modulation holographic projection method which includes the steps of decomposing light vector of each pixel of a complex amplitude light field into two pure phase values to obtain two pure phase holograms with equal size of an original image, sampling and synthesizing the two pure phase holograms through chequer patterns, adding inclination plane wave factors on the synthesized pure phase hologram to obtain an encoded pure phase hologram, sequentially arranging a phase spatial light modulator, a light splitting prism, a first lens, a filtering diaphragm, a second lens and a screen, transmitting the encoded pure phase hologram to the phase spatial light modulator through a computer, and observing the complex amplitude light field on an output side screen through a 4f optical path system. Through the method, reconstruction image speckles can be eliminated, influence of device zero-order wave on a reconstructed image can be prevented, and the calculating speed of a hologram is increased.

The invention discloses a surface modifier used for preparing water-soluble and metallic nano-particles with high biocompatibility, a preparation method and a usage method used for the metallic nano-particle. The surface modifier is a small molecular compound and consists of three parts: a functional group A which is used for being combined with the metal nano-particle, a middle spacing arm B and an end phosphorylcholine function group C. The surface modifier can be used for water-soluble or oil-soluble metallic nano-particle, forms stable single-molecular protection layer on the surface of the nano-particle, improves the water-solubility, stability, anticoagulant activity and biocompatibility of the nano-particle. The surface modifier can be used for the fields of drug releasing, gene delivery, biomolecule diagnosis, biomolecule separation, biological sensor, etc.

The invention discloses a coiled primary lithium battery cathode structure and relates to the technical field of primary lithium batteries. The coiled primary lithium battery cathode structure comprises a cathode tab and lithium strips and is characterized by further comprising a lithium bar, wherein the width of the lithium bar is N times that of the cathode tab; N is greater than 4 and smaller than 5; the lithium bar, the cathode tab and the lithium strips are successively stacked and then coiled to form a primary lithium battery cathode structure; in the structure, the lithium strips are located on the outer side; the lithium bar is as thick as the cathode tab. When the battery discharges, the lithium stripes are arranged on two sides of the cathode tab; the thickness of the metal lithium is doubled; therefore, when the lithium strips in other positions are consumed, thinned and almost broken, the lithium strips of the cathode tab still have 100% redundancy, so that the lithium strips have certain thickness; the current collection effect can be effectively realized, so that the breakage of the crimping edges of the cathode tab and the lithium strips can be avoided; due to the adoption of a method for thickening the lithium strips of the cathode tab, the influence on the discharge process is avoided; the discharge reaction is more uniform; the breakage of the lithium strips caused by local excessive reaction is avoided.

The invention discloses a water-soluble biodegradable cleaning agent and a cleaning application method of the water-soluble biodegradable cleaning agent. The water-soluble biodegradable cleaning agent comprises, by weight, 1%-15% of organic acid, 5%-20% of a surface active agent, 0.5%-1% of a stabilizer and 78%-79.5% of water. According to the cleaning application method of the water-soluble biodegradable cleaning agent, cleaning liquid containing the water-soluble biodegradable cleaning agent is used for ultrasonic cleaning of parts to be cleaned. According to the water-soluble biodegradable cleaning agent and the cleaning application method of the water-soluble biodegradable cleaning agent, the non-toxic food-grade biodegradable non-strong acid is adopted, the wetting performance, the permeability, the emulsibility, the dispersity, the capacity-increasing performance and the like of the water-soluble biodegradable cleaning agent are utilized, corresponding ultrasonic cleaning equipment is adopted in cooperation, under the mutual synergistic interaction of chemistry and machines, rust, oxides, polishing paste and all kinds of oil stains attached to the surfaces of metal, plastics and ceramics are washed away in a one-off manner; and in this way, traditional acid pickling technologies and the cleaning concept that oil removal, wax removal and oxide removal are executed separately are broken through, the cleaning process is shortened, time and energy are saved, cost is reduced, the safety of the environment and the safety of operators are guaranteed, and the effect of environment-friendly, efficient, energy-saving and safe enterprise production is achieved in real sense.

The invention discloses an environment-friendly multifunctional cleaning agent for removing oil and rust and preventing rust and a cleaning application method. The cleaning agent is prepared from the following components in percentage by weight: 0.5-5 percent of composite organic chelating agent, 5-25 percent of surfactant, 0.5-6 percent of a stabilizing agent, 5-15 percent of cleaning auxiliary and 49-89 percent of water. The cleaning agent can be used for replacing trichloro ethylene and dichloromethane cleaning agents, and belongs to an environment-friendly cleaning agent. The method comprises the steps of completely cleaning, rinsing and quickly drying, the cleaning agent having the wetting, permeating, emulsifying, dispersing and capacity-increasing and other performances is combined with corresponding cleaning equipment and cleaning processes, various oil stains, polishing paste and oxides attached to metal surfaces can be once cleaned under the synergistic effect of chemistry and machinery, and a certain oxidation resistance can be achieved; and the cleaning process is simplified, the cleaning process is simple in operation and easy to control, and the cleaning agent is suitable for the requirement of massive cleaning of factories in current electroplating pretreatment.

The invention belongs to the field of a 3D printing technology and specifically relates to a method for enhancing strength of 3D printed products. The invention aims to solve the technical problem that strength of 3D printed products, especially 3D printed products printed by a fused deposition modeling method in the part-forming Z direction is poor. A raw material of the printed part product is a solute, and a cooperative solvent can effectively dissolve a shallow surface layer of the product. Thus, the shallow surface layer of the product and the solute are fused as a whole. Juncture of 3D printed stack layers is effectively filled, shallow surface layer strength of the juncture is increased, and strength of the 3D printed product is further enhanced. By the method, strength of parts is enhanced, and dimension of parts is basically not changed. The method is very beneficial to expand application range of special plastic parts 3D printed by an FDM technology. The technical problem that has existed in the field all the time is solved. The method has a good application prospect.

The invention relates to a plug, in particular a high-pole plug, of a plug-type connector for a number of multi-core, screened cables (10), of which the lines are electrically conductively connected to contacts of a contact strip (6) and of which the cable screens are electrically conductively connected to a screen support (8), wherein the contact strip (6) and the screen support (8) are arranged physically at a distance from one another in a hood (2), and wherein the screen support (8) is electrically connected to an earth connection of the plug. According to the invention, two screen clips (30, 32) are provided as the screen support (8), it being possible for these screen clips to be connected to one another in a releasable manner and these screen clips being formed in such a way that they form an accommodation region (36) for cable terminals (34) which can be clamped between these screen clips (30, 32). Therefore, a plug of this type can accommodate a contact strip (6) with a high pole number, without the dimensions of the hood (2) of said plug having to be modified.

The invention discloses a slab lens for air imaging, comprising a first optical waveguide lens array and a second optical waveguide lens array arranged in parallel, wherein each optical waveguide lensarray comprises a plurality of reflective lenses arranged in parallel, the reflective lenses in the first optical waveguide lens array is orthogonal to the reflective lenses in the second optical waveguide lens array, and the widths of the reflective lenses are reduced from the center to the edge of the optical waveguide lens array. An air imaging system is also disclosed, comprising a light source and a slab lens, wherein the slab lens is any of the above slab lenses for air imaging. The slab lens has the advantages: compared with an ordinary strip reflector, the diffuse spot is smaller after using this solution, so the spherical aberration is smaller, the imaging depth of field is larger, the imaging clarity is effectively improved, this design does not change the size of the original slab lens, and the slab lens can be directly replaced to the original air imaging equipment.

The invention discloses an alkaline passivation solution. The alkaline passivation solution is composed of, by weight percentage, 3%-5% of benzotriazole, 1.5%-1.9% of potassium hydroxide, 1.8%-2.2% of sodium metasilicate pentahydrate, 3%-5% of pentasodium phosphate, 0.25%-0.5% of tetrasodium EDTA, 0.5% of monoethanolamine, 8%-10% of fatty alcohol-polyoxyethylene ether and 74.9%-81.95% of deionized water. The alkaline passivation solution is excellent in alkali resistance. An immersed workpiece does not need neutralization operation; in the using process of the alkaline passivation solution, the original size and glossiness of a stainless steel part cannot be changed; the circumstance that the alkaline passivation solution reacts with the stainless steel part to generate toxic substances cannot occur; the alkaline passivation solution does not contain phosphorus or organic pollutants or various types of heavy metal or toxic substances or irritative and volatile substances, and the working environment of operators is greatly improved; the alkaline passivation solution meets requirements of WEEE&RoHS directives of the European Union; cleaning efficiency is high; the alkaline passivation solution can be used repeatedly; production cost is lowered; corrosion encroachment against a container is small; the service life of the container can be prolonged, and salt mist resisting time of the stainless steel part is effectively prolonged; and the effect is remarkable.

The invention relates to passivation liquid for passivation of an electroplating zinc coating. The passivation liquid per litre comprises 1 to 3 g of potassium permanganate, 4 to 10 ml of concentrated nitric acid with the mass concentration of 65 to 68 %, 5 to 30 g of aluminium sulfate, 8 to 10 g of sodium nitrate and 8 to 15 g of nickel sulfate, and the balance of water. The usage of the passivation liquid comprises the following steps: step 1, soaking a galvanized workpiece by the passivation liquid at the room temperature, step 2: staying the soaked galvanized workpiece in the air for 5 to 35 s, and then airing or blow-drying; step 3: ageing the aired or blow-dried galvanized workpiece at the temperature of 60 to 90 DEG C for 10 to 25 minutes. The passivation liquid and the processing method do not use carcinogenic chromate with high toxicity, and cannot pollute the environment. Besides, according to the processing method, the passivation liquid can form a dense film layer on the surface of the galvanized workpiece, is good in anticorrosion performance, cannot change the size of the workpiece, and is simple in operation method.

The invention discloses a four-in-one phosphating solution and a preparation method thereof. The four-in-one phosphating solution is composed of the following components including, by concentration, 10-30g/L of 85% phosphoric acid, 30-40 g/L of sodium dihydrogen phosphate, 0.5-1g/L of sodium tripolyphosphate, 0.1-0.3 g/L of a rust inhibitor, 0.33-0.46 g/L of a stabilizer, 0.8-1.2 g/L of ammonium molybdate, 1-2g/ L of a pH conditioning agent and 1L of water. The four-in-one phosphating solution provided by the invention can be used for achieving four functions including deoiling, derusting, phosphorization and passivation in a tank under the room temperature, uniform, compact and corrosion-resistant color phosphating film is formed on the surface of a steel workpiece and can serve as a bottom layer before coating of paint spraying, powder coating and the like, and the coating adhesion is good.

Solar panel tube, comprising a first pipe (11); a second pipe (12); a first insulating material (13) surrounding said first pipe; a second insulating material (14) surrounding said second pipe; said first insulating material comprising a supporting layer treated with aerogel; said second insulating material comprising a supporting layer treated with aerogel; wherein said first and second insulating materials (13, 14) are wrapped in a nylon thread winding (20) and said first and second insulating material are further wrapped by a protective layer (15).

The present invention relates to a scribing device capable of automatic exchanging of a scribing wheel. According to the present invention, the scribing device herein includes at least one scribing unit, which is installed in an upper frame or a lower frame so as to move in one direction and is configured to apply pressure to one surface of a substrate with the scribing wheel so as to form a scribing line; a wheel exchanging unit which is installed in a position of the upper frame or the lower frame that is not yet provided with the at least one scribing unit in order to move in one directionand is configured to exchange the scribing wheel which is arranged in the at least one scribing unit; and a wheel box unit which is configured to accommodate the scribing wheel which can be exchangedby the wheel exchanging unit. Therefore, in case of a need for exchanging the scribing wheel due to friction of the scribing wheel or changes to standards in the process of performing scribing, the scribing wheel of the scribing device can be automatically exchanged.

The invention discloses an alkaline zinc-manganese battery preventing overdischarge liquid leakage caused by the application in series, and aims at solving the problems of the liquid leakage caused by a great amount of precipitated gas inside the battery after the battery is over-discharged. The alkaline zinc-manganese battery comprises an overdischarge protection part and an alkaline zinc-manganese battery main body, wherein the overdischarge protection part is mainly of a semiconductor diode, and the protection part and the alkaline zinc-manganese battery main body are serially connected to obtain the alkaline zinc-manganese battery with improved discharging leakage prevention performance. The alkaline zinc-manganese battery is simple in preparation process, and the overdischarge liquid leakage prevention performance caused by the application in series of the alkaline zinc-manganese battery can be remarkably improved.

The invention provides a digital wallet payment encryption and decryption method and a digital wallet. The digital wallet comprises a payment digital wallet and a collection digital wallet, and the digital wallets each comprises a public key, a central bank public key and information. By performing XOR operation encryption on original information in the collection digital wallet, and performing XOR operation decryption in the payment digital wallet, the original information is obtained and verification and deduction are performed. The method utilizes the characteristics of XOR operation, The information of the payment wallet is subjected to XOR operation twice with the public key of the central bank and subjected to Hash operation of the public key of the payment digital wallet to obtain a Hash value, thereby obtaining the information of the payment digital wallet, and no carry, no back and no overflow are generated, so that the file size is not changed, encryption is performed, and the payment reliability is improved.