161results about How to "Improve binding ability" patented technology

In the invention, the composite bullet-proof armour plate consists of a metal panel, a honeycomb core board, a ceramic wafer core and a metal rear panel bonded with the metal brazing layer via the organic adhesive layer. The preparing method is that using the brozing and the line-cutting method are finished the honeycomb core board and the plain or curved ceramic wafer core, whose size must fit in that of the honeycomb hole of the honeycomb core board. The panel and the rear panel must be made of the bullet-proof steel plate through heat treating after cold rolling. The Ag72Cu metal brazing material and the epoxy resin group high strength structural sizing for connecting the interface are assembly welded.

The invention provides a feature line fused laser point cloud and analog image registration method, and aims to solve the problems that a point cloud distance intensity image or point feature-based image and point cloud registration method in the prior art has many defects of manual point selection errors, point cloud data interpolation errors, need of many observation values and the like, and theprecision is very limited. The invention provides a laser point cloud and analog image registration method based on two-dimensional and three-dimensional fusion characteristic lines. The method comprises the steps of: establishing a direct transformation model between the image feature line and the point cloud feature line. The requirement on the initial value of the exterior orientation elementof the image is not harsh, the method has high robustness to noise, realizes automatic matching of two-dimensional and three-dimensional fusion features, improves the degree of automation, achieves higher real-time performance, has the advantages of no model error, no need of exterior orientation element initial values, only need of a small number of registration elements and the like, is high incalculation speed, and meets the registration requirements of analog images and ground laser point cloud data.

The invention relates to synthesis and application of an indole hemicyanine dye, which belongs to the synthesis of a functional dye and the application of the functional dye as a fluorescent dye in the field of fine chemistry industry. Indole quaternary ammonium salts and the corresponding aldehyde are condensed to form compounds with the advantages of large molar extinction coefficient, good light stability, easy synthesis and the like. The molecules have pH probe property, solid-state fluorescent property and binding property with biomacromolecules according to different substituents and anions. Being used as a pH probe, the compound can adjust the pKa of the probe according to the different substituents, and can be used for two-color living cell imaging; being used as a solid-state emission dye, the compound can adjust the solid-state emission wavelength according to different substituents and anions; being used as a biological molecule probe, the compound has good very response to the biological molecule, and living cell membrane permeability ability, can be used for cell staining, can prevent the interference of biomass autofluorescence because of longer absorption and emission wavelengths, and can also reduce the damage of exciting light to cells or biological tissues.

The invention discloses a high-temperature-resistant rubber sealing ring for automobiles. The high-temperature-resistant rubber sealing ring comprises the following raw materials in parts by weight: 70-90 parts of ethylene-propylene-diene-terpolymer rubber, 10-30 parts of chloroprene rubber, 1-4 parts of an anti-aging agent, 0.8-1.5 parts of active zinc oxide, 0.2-0.4 part of magnesium oxide, 0.5-1.0 part of calcium oxide, 0.6-1.5 parts of butyltin mercaptide, 30-40 parts of modified kaolin, 10-15 parts of magnesium methacrylate, 1-3 parts of a promoter, 6-10 parts of soybean oil, 1-2 parts of ethyl methacrylate, 40-80 parts of paraffin oil, 0.2-0.5 part of triallyl phosphate, 1.0-1.5 parts of a crosslinking agent BIBP, 0.5-1.2 parts of an assistant crosslinking agent TAIC, 0.3-0.5 part of microcrystalline wax, 2-3 parts of a vulcanizing agent and 0.5-1 part of phthalic anhydride. The sealing ring disclosed by the invention has strong weather resistance, corrosion resistance and ozone resistance, and can be suitable for being used as the high-temperature-resistant rubber sealing ring for the automobiles.

A composite shear wall with concrete-filled steel tube frames and double steel plates with concealed bracings and a construction method thereof relate to the field of construction. According to the invention, the composite shear wall is formed by combining reinforced concrete frames, a double steel plate shear wall and steel plates with concealed bracings. The reinforced concrete frames are formed by pouring concrete into steel tubes; then, the double steel plates are placed, the double steel plates are welded to the reinforced concrete frames, and the steel plates are perforated and are connected through studs; oblique crossing concealed bracings are placed between the double steel plates, and the oblique angle of the concealed bracings is between 45 degrees and 60 degrees; tie bars are threaded through the interspace between the concealed bracings; a reinforcing mesh composed of transverse steel bars in horizontal arrangement and longitudinal steel bars in vertical arrangement is arranged between the concealed bracings and the steel plates; and concrete is poured between the double steel plates. The composite shear wall has the advantages that the bearing capability is enhanced, the bearing capacity and the rigidity attenuate slowly, the ductility and the energy dissipation of the shear wall are enhanced due to multi-defenses, and the earthquake resistant capability is more excellent. The composite shear wall also has the advantage of convenience in steel structure construction, and can be used in high-rise or large complex multi-storey buildings.

The invention relates to a monocular vision scene depth estimation method based on deep learning, and the method comprises the steps of employing a VGG-13 network model, employing a depth separable convolution layer to replace a standard convolution layer so as to reduce the model parameter quantity, and obtaining a network model which can be used for obtaining a parallax image; inputting the monocular image into the trained network model to generate the disparity maps of multiple scales, and generating a single disparity map consistent with the input image in scale by combining multi-scale fusion and disparity map smoothing; and generating a corresponding depth image according to the geometric transformation relationship between the disparity map and the depth map in the multi-view geometry. The method has the beneficial effects that the simple and easily available binocular visible light image is used for training the network model without acquiring the high-cost real depth data, andthe standard convolution is replaced with the depth separable convolution, so that the parameter quantity of the network model can be reduced to one seventh of the previous parameter quantity, and the reasoning speed of the model is increased.

The invention discloses a negative oxygen ion photocatalyst decomposition liquid for formaldehyde removal and a preparation method thereof. The liquid is prepared from 14 parts of a formaldehyde trapping agent, 3-5 parts of a nano photocatalyst, 3-5 parts of nano silver ions, 4-6 parts of negative ion powder, 6-10 parts of cellulose, 3-5 parts of ethanol, 0.3-0.7 part of essence and 75.3-80.5 parts of deionized water. The negative oxygen ion photocatalyst decomposition liquid for formaldehyde removal and the preparation method thereof have an excellent catalytic degradation function, can release negative oxygen ions for a long time and can thoroughly kill bacteria and microorganisms since the formaldehyde trapping agent, high-activity nano Ti02 and Ag+ with a high-efficiency sterilizationfunction are added. Harmful gas such as formaldehyde, benzene, VOC and the like brought by the bacteria, the microorganisms and decoration can be thoroughly caught and decomposed, spatial structures of organic molecules are changed and convert into tasteless and harmless molecules, negative oxygen ions are released, sterilization and disinfection are carried out, and therefore indoor air is thoroughly and effectively purified.

The invention belongs to the field of a macromolecule material, and discloses modified scrap rubber powder as well as a preparation method and an application thereof. The modified scrap rubber powder is prepared by activated rubber powder and a modifier, wherein the activated rubber powder is prepared by 100 parts by weight of scrap rubber powder and 0.1 to 5 parts by weight of plasticizer; the modifier is prepared by 100 parts by weight of epoxidized natural rubber and 0.5 to 20 parts of coupling agent. The surface activity of the modified scrap rubber powder is enhanced, the surface of the rubber powder is modified by means of a mechano-chemical method and the modifier in different steps, so that the compatibility of the modified scrap rubber powder with non-polar and polar rubber matrices and a thermosetting resin matrix is obviously improved; the cohesive capacity of the scrap rubber powder with polymers is enhanced, and the performance of the modified scrap rubber powder and a composite material is improved; the application range of the scrap rubber powder is enlarged, and the cost is reduced.

The invention discloses an all-solid LMA photonic band gap optical fiber. The all-solid LMA photonic band gap optical fiber comprises fiber core and cladding, wherein the fiber core comprises base materials (1) and low-reflective-index medium columns (2) which are distributed in a regular-triangular grid; the cladding comprises the base materials (1) and high-reflective-index medium columns (3). The all-solid LMA photonic band gap optical fiber binds light through the high-reflective-index medium columns, thereby having relatively strong binding capacities and relatively low bending losses; the low-reflective-index medium columns distributed cyclically in the center of the optical fiber can enlarge the loss difference between fundamental modes and high-order modes to distinguish the fundamental modes from the high-order modes and to further enable the optical fiber to achieve single-mode transmission. Due to the fact that the low-reflective-index medium columns are of a multi-layer structure, the optical fiber can obtain a large mode area. Meanwhile, the all-solid LMA photonic band gap optical fiber is of an all-solid structure and accordingly avoids the difficulty in manufacturing and usage of micro-structure optical fibers with air holes, and can achieve LMA low-bending-loss single-mode transmission.

The invention relates to an industrial polyester filament for a high-strength ultra-low-elongation safety belt and a production method of the industrial polyester filament. The production method comprises the following steps of: A) high-viscosity polyester chip preparation; B) high-viscosity polyester chip impurity removal; C) melt spinning; and D) drafting, heat setting and winding. The number of the industrial polyester filaments produced by adopting the method is 72-144F, the fineness is 1100-2222dtex, the breaking strength can reach more than 7.80cN / dtex, the fixed-load elongation can reach 4-6 percent under a condition of 11.1KN and the controllable oil content is lower than 0.30-0.60 percent. The industrial polyester filament for the high-strength ultra-low-elongation safety belt and the production method of the industrial polyester filament have the beneficial effects that the breaking strength of the safety belt which is provided by using the obtained industrial polyester filaments can reach 35KN and is much higher than the breaking strength being 28-33KN of the existing safety belt, the physical and mechanical performance is good and the industrial polyester filament is an optimum raw material for producing front-row safety belts; the weaving performance is good, the dyeing uniformity of the safety belt is good due to lower fiber oil content, the gloss is stable, and chromatic aberration and stains do not exist; the waste polyester fibers can be recycled, the energy is saved, the environment is protected and the operating cost is reduced; and the operation is simple to conduct, the process flow is short, the automation level is high and the development space is very great.

The invention discloses a tunable waveguide grating based on silicon waveguide-graphene, and belongs to the technical field of optoelectronic devices. The tunable waveguide grating aims at relieving the problems that an existing grating is narrow in tunable wavelength range and low in response speed, and the grating structure is inconvenient to integrate. The waveguide grating of the same structure has different selectivities on light waves under different electric field conditions, and the reflecting wavelength of the grafting is changed. The tunable waveguide grating comprises a substrate, a ridge-shaped silicon waveguide is arranged on the substrate and comprises a ridge area lower half waveguide body and a ridge area upper half waveguide body, the ridge area lower half waveguide body is covered with a wrapping layer, the ridge area lower half waveguide body is sequentially provided with a first isolating dielectric layer, a first graphene layer, a third isolating dielectric layer, a second graphene layer and a fifth isolating dielectric layer from bottom to top, and a ridge area upper half rectangular waveguide body is arranged on the fifth isolating dielectric layer. The first graphene layer and the second graphene layer are both of an interdigital electrode structure, and interdigitals of the interdigital electrode structures are periodically arranged at equal intervals.

The invention discloses a circular steel pipe concrete member constrained by a steel pipe and provided with an interlayer and a machining method thereof. The novel circular steel pipe concrete member constrained by the steel pipe and provided with the interlayer is composed of the outer steel pipe, an interlayer material and a core steel pipe concrete member, and the outer steel pipe and the interlayer material only provide lateral constraint for the core steel pipe concrete; both of the outer steel pipe and the core steel pipe concrete member are circular; and the outer steel pipe is arranged along full length of the surface of the core steel pipe concrete member and not connected with the end of the core member and a beam column joint. According to the circular steel pipe concrete member constrained by the steel pipe and provided with the interlayer and the machining method thereof, co-working performance of the core member steel pipe and core concrete can be strengthened, the bearing capacity and ductility of the member can be improved, the failure mode of the member can be improved, and the seismic resistance, corrosion resistance and fire resistance of the member can be reinforced; and according to the circular steel pipe concrete member constrained by the steel pipe and provided with the interlayer and the machining method thereof, the principle is clear, mechanical performance is excellent and engineering cost is low.

The invention discloses a high-gain end-fire antenna based on spoof surface plasmon polaritons (SSPPs), which comprises a dielectric substrate, an upper metal patch and a lower metal patch, wherein the upper metal patch is positioned on the upper surface of the dielectric substrate and includes a microstrip transmission line, a gradual change transition groove, an SSPPs transmission line, part ofa dipole and a director; and the lower metal patch is positioned on the lower surface of the dielectric substrate and includes a grounding plane, the gradual change transition groove, the SSPPs transmission line and part of the dipole. The structure adopts a spoof surface plasmon polariton waveguide to transmit energy, realizes radiation by using the dipole at a terminal, introduces the director of a yagi antenna to the tail end of the antenna and replaces a reflector of the yagi antenna with the grounding plane, so that the gain is improved. The high-gain end-fire antenna optimizes the traditional dipole end-fire antenna, has the advantages of simple design structure and increased working bandwidth, reduces the mutual coupling between antennas and greatly improves the gain of the antenna.

The invention provides a method for simplifying a vertex clustering of three-dimensional models with texture constraint. The method comprises the steps of: expanding the vertexes from a geometric space to a fifth-dimensional space including texture coordinates in consideration of algorithm efficiency in the self-adaptive division processes of the vertexes; dividing the vertexes according to the positions of the vertexes in the geometric space and the texture space in the self-adaptive division processes of the vertexes; in error measurement, respectively computing geometric errors and texture errors, if the error value is more than a given threshold, splitting the current node; and in the self-adaptive division processes of the vertexes, in consideration of saving the storage resources and improving the algorithm efficiency, adopting the relatively important vertex in an original model as a clustering representative instead of computing the geometric position of a new vertex through iteration. The method for simplifying vertex clustering of three-dimensional models with texture constraint organically integrates texture error measurement and geometric simplification, realizes rapid simplification of a mass of complex three-dimensional models and supports efficient three-dimensional visualization of city virtual scenes.

The invention discloses a planar two-waveband surface plasmon waveguide based on a composite cycle structure. The planar two-waveband surface plasmon waveguide comprises a composite cycle straight-metal grating structure and a composite cycle arc-metal grating structure, wherein the composite cycle straight-metal grating structure and the composite cycle arc-metal grating structure are printed on a flexible medium and are in tangent connection. A row of deep grooves A and a row of shallow grooves B are formed in a staggered mode in the same sides of the composite cycle straight-metal grating structure and the composite cycle arc-metal grating structure. One of the composite cycle straight-metal grating structure and the composite cycle arc-metal grating structure serves as an input end of the waveguide, the other one of the composite cycle straight-metal grating structure and the composite cycle arc-metal grating structure serves as an output end of the waveguide, and a metallic conducting wire is arranged on the front side of the input end, serves as a feed source, and is used for exciting two-waveband surface waves on the input end. According to the planar two-waveband surface plasmon waveguide based on the composite cycle structure, a plasma straight waveguide and a bent waveguide of an ultrathin flexible thin film based on the composite cycle structure are achieved at the first time in a microwave section. The planar two-waveband surface plasmon waveguide based on the composite cycle structure has the advantages of being simple in structure, convenient to manufacture, and capable of adapting being used in the microwave section.

The invention belongs to the technical field of optics, and in particular to a graphene surface achromatic Airy light beam generator excited by Array grating in the field of special light beam generation apparatuses and optical trapping. According to the invention, the light beam generator is composed of a silicon dioxide or a semiconductor material which serves as a substrate, a nano diffraction grating array structure which is inscribed in the surface of the substrate, and a single-layer graphene which is laid on the surface of the grating. The Airy light beam generator has strong mode restraining capability, has ultra-long light beam propagating distance, and has important significance in micro-optical particle manipulation and optical shaping; since the tenability and flexibility of materials of the graphene, the apparatus can provide dynamic tuning properties, and is easy to operate; the generator can work in medium infrared wave band and Terahertz wave band, and the SPP of the Terahertz wave band happens to be at sensitive wave band of an organism. Therefore, the apparatus has wide application potential in the field of biosensing.

The invention relates to a bamboo charcoal viscose facial mask base cloth and a high moisture retention and moisturizing facial mask. The bamboo charcoal viscose facial mask base cloth is prepared with the following method: 1) adding nanometer bamboo charcoal powder and sodium alga acid into dispersion solution to be dispersed evenly in bamboo charcoal serous fluid; 2) adding the bamboo charcoal serous fluid into viscose spinning solution to be dispersed evenly, and filtering and deforming to obtain mixed spinning solution; 3) carrying out wet method spinning on the mixed spinning solution toobtain the bamboo charcoal viscose, and carrying out opening, mixing, carding and lapping to obtain a bamboo charcoal viscose felt; 4) dissolving chitosan in acetic acid aqueous solution, adding gelatin to be dissolved to obtain finishing liquor, and dipping the bamboo charcoal viscose felt into the finishing liquor to carry out impregnation modification to obtain a compound fiber felt; 5) carrying out spunlace reinforcement on the compound fiber felt. The bamboo charcoal viscose facial mask base cloth has high constraint ability on serum and good water retention and moisture liberation performance; after the facial mask serum is loaded through a liquid hanging step, the high moisture retention and moisturizing facial mask is obtained, situation that serum loss due to dripping and droppingcan be avoided, and waste is avoided.

The embodiment of the invention discloses a Ti target material and Al backboard welding method, comprising the following steps: providing a target material and a backboard, wherein the target material is a Ti target material, and the backboard is an Al backboard; forming a Ni layer on the welding surface of the Ti target material; and combining the Ti target material provided with the Ni layer with the Al backboard by using the brazing method. Because the Ni layer is formed on the welding surface of the Ti target material, and the Ni layer and a welding material can be well wetted and combined, the Ti target material and Al backboard combining capacity can be improved, and the Ti target material can not fall off from the Al backboard.

The invention discloses a T-shaped beam column connecting joint. The T-shaped beam column connecting joint comprises a multi-cavity concrete filled steel tube combined column and side plates symmetrically arranged at the two side walls of the multi-cavity concrete filled steel tube combined column, inserting plates which penetrate through the side plate and are inserted into the multi-cavity concrete filled steel tube combined column are arranged on one side plate, and a reinforcing H-shaped steel combined beam is inserted into extending sections of the two side plates and the inserting plate to form the T-shaped beam column connecting joint. The joint serves as an edge restraint member of the whole concrete filled steel tube column and can improve bearing capacity, energy-dissipating capacity and ductility of the concrete filled steel tube column; on-site construction is convenient, the multi-cavity concrete filled steel tube combined column is not damaged, and materials and labor are saved. A steel tube has a strong restraint effect on concrete, the whole structure conforms to the design rule of matching strong columns with weak beams and matching strong joints with weak members, the joint has multiple anti-seismic fortifying lines, it is avoided that a whole system is damaged as part of members are damaged, and the joint has necessary strength, good deformability and good energy-dissipating capacity.

The invention belongs to the technical field of polyester thin films and in particular relates to a high-transmittance polyester thin film and a preparation method thereof. The high-transmittance polyester thin film comprises a core layer and a surface layer arranged at one side or two sides of the core layer, wherein the surface layer is prepared from the following components in percentage by mass: 93 to 97 percent of polyethylene terephthalate, 0.08 to 0.25 percent of inorganic particles and 2.75 to 6.92 percent of other auxiliary agents, wherein the inorganic particles are subjected to coating and modification treatment through a compatilizer. According to the high-transmittance polyester thin film provided by the invention, the inorganic particles subjected to the coating and modification treatment through the compatilizer are added into the surface layer, so that the binding capability of the inorganic particles and polyethylene terephthalate in the surface layer of the polyesterthin film is improved; a gap formed at the periphery of the inorganic particle in the biaxially-stretched and molded polyester thin film is reduced, so that the problem that the inorganic particles exist so that the light penetration rate is low is remarkably reduced; the binding force between the inorganic particles subjected to the coating and modification treatment through the compatilizer andpolyethylene terephthalate is relatively strong, and a series of appearance problems caused by the fact that the inorganic particles fall off are prevented.

The invention discloses a steel box structure of a combined bridge deck. The steel box structure is characterized by light weight, less amount of used steel, good heat stability and durability, and low total engineering cost in a condition of same bearing capacity, and further is beneficial to improvement of the using performance of a bridge. The steel box structure comprises a steel box girder consisting of a bridge deck steel base plate (10), webs (11) at two sides and a bottom plate (12), wherein the bridge deck steel base plate (10) is fixedly connected with the webs (11) at two sides and a transversal clapboard, vertical shear-resistant plates (14) are fixedly arranged on the upper surface of the bridge deck steel base plate (10) at intervals along or vertical to the direction of the bridge, and a reinforced concrete layer (20) is cast on the bridge deck steel base plate (10).

The invention discloses a conical pipe anchor bar connection structure for a prefabricated assembly structure, and belongs to the field of prefabricated assembly engineering. The connection structurecomprises a conical pipe, a grouting guide pipe and a fixing circular ring. The conical pipe is of a pre-embedded structure, the conical pipe can achieve a restraint effect on steel bars and groutingmaterials in the conical pipe, and meanwhile the tension capacity of the conical pipe in concrete can be improved. Frame vertical ribs and tie bars in a prefabricated bearing table also achieve a restraint effect on cracking of the bearing table or foundation concrete caused during pulling of the conical pipe. In prefabricated components, a conical pipe group is connected with the surrounding frame vertical ribs and the tie bars, and therefore the anchor performance of the conical pipe group can be improved. The steel bar anchorage length needed by the conical pipe anchor bar connection structure is small, the conical pipe anchor bar connection structure can be used for connection between a reinforced concrete structure prefabricated assembly component and a foundation or the bearing table, and rapid building of the prefabricated assembly reinforced concrete is achieved.

The invention discloses a plasma laser device which comprises a metal layer and a gain medium layer formed on the metal layer. The transversal section of the gain medium layer is ring-shaped, wherein the transversal section of the gain medium layer is parallel to the metal layer. The transversal section of the gain medium layer closest to the metal layer is dropped in the scope covered by the metal layer. As the plasma laser device is provided with the ring-shaped gain medium layer, light field can do syntony in the ring-shaped structure so that the light field is strong in constraint ability. The light field can transmit circularly on the surface, wherein the surface is formed between the gain medium layer and the metal layer. The size of a nanometer laser device can be decreased. Meanwhile, integrated optics system can be miniaturized favorably as the ring-shaped structure can produce couple effects easily.

The invention relates to a polymer blocked layer material for a lithium-sulfur battery and a preparation method thereof. The preparation method comprises the following steps: preparing 1-3mg / ml of N,N-dimethyl formamide of polyacrylonitrile, and preparing a nano-fiber precursor membrane by adopting an electrostatic spinning method; carbonizing the precursor membrane in nitrogen at 800-1000 DEG C to form a carbon nano-fiber membrane; dissolving natural polymer acacia gum in water to prepare a solution; directly dropwise adding the acacia gum onto the carbon nano-fiber membrane to form a carbonnano-fiber-acacia gum composite membrane; drying the composite membrane in vacuum at 60-80 DEG C for 16-24 hours to enable the composite membrane to have a thickness of 17-25mu m and mass of 0.18-0.36mg / cm<2>. By adopting the method, the excellent circulating performance that a lithium-sulfur battery has 94 percent volume after circulating for 250 times is realized, the 'shuttle effect' problem oflithium polysulfide can be relieved, and the battery shows excellent self-discharge resistance.

The invention discloses a surface sizing agent which is soap-free emulsion of polymers with the following general formula I: (general formula I) wherein, R is selected from a saturated fatty alcohol group with carbon numbers of 1-18; X is selected from any one in Na<+>, K<+>, NH4<+>, etc; n is 10-1000. The sizing agent is a novel synthetic polymer surface sizing agent for paper, so surface sizing capability of paper can be greatly improved, binding fastness of paper and ink can be improved, surface strength of paper can be improved, etc.; besides, the invention also has the advantages that: few crust is provided during using process, cleaning is convenient, folding resistance of finished product is increased, wet strength is high, etc. The invention also discloses a preparation method of the sizing agent.

The invention relates to a broadband surface plasma logic input source which comprises a substrate layer and a metal layer. The substrate layer is made of a low-refractive-index material. The metal layer is formed above the substrate layer. A plurality of rectangular rings with four smooth corners and waveguides at two sides of the rectangular rings are etched on the metal layer through focused ion beam etching, wherein the rectangular rings with four corners can be arranged parallelly or vertically. The rectangular rings which are etched on the metal layer and four smooth corners and the waveguides at two sides of the rectangular ring form the broadband surface plasma logic input source. According to the broadband surface plasma logic input source, An optical field resonates at an interface between an air medium and the metal. Because the metal layer is provided with the rectangular ring structures with four smooth corners each and waveguides at two sides of the rectangular ring, resonance between a resonance electromagnetic wave and the annular structure occurs. An annular resonance chamber realizes relatively high inhibition for the optical field. Because the optical field with a specific wavelength is inhibited on the metal surface layer and is propagated circularly, the dimension of the device can be effectively reduced. Furthermore on condition of broadband, partial light is emitted out of ports along the waveguides at two sides of the rectangular rings, thereby realizing a logic gate.

The invention discloses an intelligent algorithm-based method for optimizing tire building-vulcanizing production energy consumption in real time. According to the method, workshop production energy consumption data and real-time production status are obtained through effectively arranging data acquisition equipment in a building-vulcanizing workshop, and a production processing system energy consumption model is established by combining the history energy consumption data, so that the building and vulcanizing processes are abstracted into a flexible flow-shop scheduling problem, the machines and workpieces are coded and an intelligent algorithm is adopted to reasonably schedule the processes, so as to obtain a feasible solution with the optimum fitness.

The invention relates to the technical field of image recognition, and discloses a zero-sample image recognition algorithm and system based on an auto-encoder, and the algorithm comprises the steps: extracting a feature vector of a known sample in a source domain through employing a pre-trained Arc-SENet network; learning a projection matrix and a decoding projection matrix of the source domain inthe source domain by using a preset auto-encoder; projecting the attribute of the unknown sample to the feature space by using a preset auto-encoder in the target domain; associating the auto-encoderof the source domain with the encoder of the target domain, and obtaining an attribute matrix and a feature matrix of unknown samples in the target domain through iterative computation; and label prediction is performed on the unknown sample by using two modes of forward label prediction and reverse label prediction, and if label results obtained by the two modes are the same, the obtained labelis an image sample recognition result. The invention further provides a system of the zero-sample image recognition algorithm based on the auto-encoder. According to the invention, image recognition is realized.

The invention relates to an amphoteric low salt pickling and low chrome tanning auxiliary and a preparation method thereof and aims to solve the problem that in the traditional leather production and processing process, as a large amount of chromium ions and chloride ions is contained in chrome tanning waste liquid, severe pollution can be generated to the environment. The preparation method comprises the following steps: firstly adding sodium allysulfonate dissolved in water into a constant-pressure liquid dripping funnel, then adding diallyl dimethyl ammonium chloride, acrylic acid, ammonium persulfate, sodium bisulfite and water into a three-necked flask provided with a stirrer and a condensing device, completing dripping of the sodium allysulfonate within a certain time after temperature rise and performing constant-temperature reaction; cooling, then adjusting the pH and discharging to prepare the amphoteric low salt pickling and low chrome tanning auxiliary. When the amphoteric low salt pickling and low chrome tanning auxiliary prepared by the preparation method is applied to leather tanning, the content of Cr2O3 in the waste liquid and the contention of the chloride ions can be obviously reduced, the shrinkage temperature of wet blue leather meets the factory production requirements, and the leather quality is not affected.

The invention discloses wheat protein disulfide isomerase produced by utilizing an escherichia coli prokaryotic expression system, as well as a method and application of the wheat protein disulfide isomerase. According to the technical scheme, the method comprises the following steps: extracting wheat total RNA (ribonucleic acid) from wheat spires, and obtaining wPDI (wheat protein disulfide isomerase) gene through RT-PCR (reverse transcription-polymerase chain reaction); connecting a target gene to a carrier PET-30b (polyethylene glycol terephthalate-30b) to construct a recombinant plasmid; transferring the recombinant plasmid into a competent cell of escherichia coli BL21, performing inducible expression in an LB culture medium to culture the recombinant escherichia coli, and centrifugally collecting a bacterial cell; crushing the bacterial cell by using an ultrasonic method, centrifuging and collecting supernate; preparing wPDI through once Ni-sepharose affinity chromatography. The wPDI massive expression and simple purification process can be realized through the escherichia coli expression system; the prepared wPDI plays an excellent effect in improving the wheat processing quality in a flour processing quality experiment, and can be used in flour processing.