59results about How to "No dispersion" patented technology

The present invention provides a liquid crystal hyperspectral calculation imaging measurement device of three-dimensional encoding. The device comprises a front-end lens 2, a wave band selection and splitting module 3, a space encoding module 4, a collimating lens 5, an area-array detector 6, a data storage module 7 and a calculation reconfiguration module 8; and based on the three-dimensional encoding, the measurement device performs projection measurement of the three-dimensional spectral data of an object consisting of two-dimensional space information and one-dimensional spectral information in the random encoding information, and performs dimensionality reduction of the hyperspectral data at the data collection phase to obtain the compressed hyperspectral data with the selected central wavelength. Compared to the traditional hyperspectral imaging system, the liquid crystal hyperspectral calculation imaging measurement device and method of three-dimensional encoding can realize the compressing sampling on the space, and can perform spectrum selection at the data collection phase so as to realize the data dimensionality reduction, avoid data redundancy, reduce the data volume, improve the information utilization and facilitate rear-end transmission and storage.

The invention relates to an ultra-deep-field X-ray active navigation system. The ultra-deep-field X-ray active navigation system comprises an X-ray signal generator, a two-dimensional directing mechanism, an X-ray signal receiving and processing system and a two-dimensional directing mechanism, wherein the X-ray signal generator and the two-dimensional directing mechanism are mounted on a navigational satellite, and the X-ray signal receiving and processing system and the two-dimensional directing mechanism are mounted on an ultra-deep-field spacecraft; the X-ray signal generator on the navigational satellite is used for generating and emitting high-stability modulation X-ray pulse signals, the X-ray signal receiving and processing system on the ultra-deep-field spacecraft is used for receiving X-ray photon signals, estimating arrival time of the X-ray pulse signals and automatically working out position, speed, time and attitude information by virtue of combined observation of measured data of at least four navigational satellites. According to a method, the problems that the transmission attenuation of a traditional microwave frequency band is large in a deep field, the received signals are weak, are required to be supported by aperture antennas on ground and are easily interfered, and the like are solved; by virtue of superiorities that X-ray photon have no transmission attenuation and chromatic dispersion in a free space, are beneficial to miniaturized detection, are unlikely to be intercepted and the like, the autonomous navigation and the reliable remote data transmission of deep-field spacecrafts are realized.

The invention discloses a halogen-free flame-retardant polyethylene material and a preparation method thereof. The polyethylene material comprises following components by weight: 50-80% of polyethylene, 15-30% of a compound halogen-free flame retardant, 5-10% of a reinforcing agent, 2-5% of a compatibilizer, 0.5-2% of a lubricant, 0.1-1% of a coupling agent, and 0.1-1% of an antioxidant. Beneficial effects of the polyethylene material and the preparation method are that: compared with the prior art, the polyethylene material has good halogen-free flame retardant property (with the oxygen index being 30) and meets the UL94-0 flame retardant level standards; the material is small in fuming amount, nontoxic, free of molten droplets, and the like; the material is good in dispersibility, good in appearance, high in impacting toughness, high in tensile strength, high in heat stability and good in comprehensive performance; and the material can be widely used in the electric appliance industry, the chemical industry, the food industry, the machinery industry, and the like.

The invention relates to a broadband confocal method and device to measure refractive index of an infrared lens element and belongs to the technical field of optical precision measurement. A black light source is used herein to generate a lighting point source of specific wavelength through a wavelength gating system, a confocal light path is used to perform chromatographic focus fixation on apexes of front and rear surfaces of a lens under measurement, optical thickness of the lens under measurement is acquired by measuring, element refractive index of the lens is acquired by calculating through a ray tracking algorithm, and high-precision noncontact measurement of element refractive index of an infrared lens under any wavelength in a wide band range of from visible light to infrared is achieved. The method and device of the invention have the advantages that destructive sampling on a lens under measurement is not required, nondestructive direct measurement of element refractive indexof the lens under any wavelength from visible light to infrared is achieved, the measuring process is convenient, measurement precision is high, the ability to resist ambient interferences is great,and a brand-new effective technical means to detect the element refractive index of the lens is provided.

The invention discloses a method for coloring aluminum and an alloy surface thereof, which comprises the following steps of: at first, cleaning and polishing the aluminum or the aluminum alloy surface; carrying out constant-pressure anode preoxidization for 20 minutes to 3 hours under the preoxidization voltage of 10 to 20 volts by using sulfuric acid electrolyte with the concentration of 0.1 to 3mol/liter under the conditions that the well-processed aluminum or aluminum alloy is used as an anode and graphite is used as a cathode; and then oxidizing the aluminum or the aluminum alloy by utilizing a voltage which varies periodically based on time to obtain a structurally laminar alumina photonic crystal, and coloring the aluminum or the aluminum alloy surface by the structural color of an optical forbidden band of the alumina photonic crystal, so that different colors can be adjusted within a scope of visible lights by maintaining constant time and changing the voltage only or maintaining constant voltage and changing time only. The coloration method of the invention has the advantages of no need of depositing metal ions, simple process and low cost, wide adjustment scope of colorsand less pollution.

In order to develop a toner-supplementing device and a toner-agitating member used in an image forming device which are small in size, superior in their maintenance and image quality as well as their operability and have no dispersion in supplying of toner, the toner-supplementing device of the present invention is made such that a toner-storing segment is placed outside an image-forming range of the image-forming device, toner is transferred from the toner-storing segment to a toner-supplementing segment of a developer device and the toner is supplemented to a toner-supplementing area having a predetermined width at the toner-supplementing segment, wherein there are provided a conduit having an upstream side one end fixed to the developer device; a cylindrical member closely contacted with the other end of the conduit, rotatable around its axis, having its central segment being placed on an inclined line in respect to an axial direction in a developed plane of a circumferential wall segment and having a desired number of small slit-like toner-supplementing ports punched with their phase being displaced in a circumferential direction and in parallel with the axial direction; and a toner-transferring member for transferring the toner from the upstream one end toward the other downstream end inside the toner-supplementing cylindrical member.

The invention relates to the field of sewage processing, and discloses a printing and dyeing sewage decoloring flocculating agent based on visible light polymerization and a preparation method thereof. The flocculating agent is obtained by ternary or quaternary copolymerization, has good solubility and strong flocculation ability, has the ability to efficiently remove dyes in printing and dyeing sewage, and has high salt tolerance; The flocculating agent can be added as appropriate without re-dispersing of a flocculate. The method of the invention adopts visible light polymerization, the process does not cause ozone pollution, and the visible light selects LED irradiation matched with a sensitized dye wavelength, and energy consumption during a production process is saved; and the reactionprocess has the shorter polymerization time and higher efficiency than the existing polymerization process.

The invention provides a simple Bernoulli chuck, belongs to the field of chucks, and particularly relates to the field of Bernoulli chucks. The simple Bernoulli chuck comprises a B chuck, an antiskidcushion, an inner hexagonal fillister headed screw and a big grooved fillister headed screw. The simple Bernoulli chuck is characterized in that a unique arc-shaped surface R9 is provided, so that anadsorbed object can be uniformly stressed during being adsorbed, and the adsorbing force index is high, so that a product can be prevented from damage caused by non-uniform stressing. According to thechuck, standard parts are adopted, so that special processing is saved, and massive production can be carried out; a chuck body is manufactured through aluminum alloy, so that the durability is ensured; the chuck is provided with three air inlet holes, thus a plurality of air inlet modes are provided.

The invention discloses a flame-retardant antistatic bifunctional modified polyethylene composite material and its preparation method. The flame-retardant antistatic bifunctional modified polyethylene composite material comprises, by mass, 50-80% of polyethylene, 12-25% of a compounded flame retardant, 2-5% of an antistatic master batch, 0.1-2% of a lubricant, 0.1-0.6% of a primary antioxidant and 0.1-0.5% of an auxiliary antioxidant. Compared with polyethylene composite materials in the prior art, the flame-retardant antistatic bifunctional modified polyethylene composite material has the advantages of very good halogen-free flame retardation property (oxygen index reaching above 28), UL94-0 flame retardation grade standard reaching, small smoke quantity, non-toxicity, no fused drop phenomenon, good dispersibility, good molding processability, high antistatic property, good durability, and surface resistance reaching 10<7>-10<9>omega.m.

The invention relates to a method for preparing a molybdenum alloy material from molybdenum oxide surface modified metal powder. The method comprises the following steps: evenly mixing the metal powder with molybdenum oxide powder, heating to 300-1100 DEG C under protection of a reducing atmosphere, finishing evaporation deposition of the molybdenum oxide; and heating the powder (subjected to evaporation deposition) to 600-1100 DEG C under protection of the reducing atmosphere, so as to realize reducing and diffuse pre-alloying of the molybdenum oxide. The molybdenum oxide is taken as a molybdenum source; based on the low-temperature gasification principle, the molybdenum oxide is condensed and deposited on basic powder particles after being evaporated under protection of the reducing atmosphere; the sediment of the oxide is reduced to form molybdenum; and diffuse alloying of the molybdenum is achieved by virtue of temperature control. The method is simple, wide in material source, and free of special requirements on equipment, and has a good industrial application prospect.

The invention belongs to portable a wearable eye apparatus, and relates to three-dimensional glasses capable of realizing augmented reality, specifically to augmented reality three-dimensional glasses capable of amplifying a display image through a recessed reflector. The augmented reality three-dimensional glasses comprise a shield body, of which one end is the imaging end, and the other end is the wearing end. The top of the imaging end is provided with a display screen with a screen facing downward. A bracket is fixed on the bottom of the imaging end, two concave spherical reflecting mirrors are installed on the bracket, and the arc surfaces of the concave spherical reflecting mirrors are arranged upwards. Spectroscopes are arranged between the display screen and the concave spherical reflecting mirrors in an inclined way. The shield body part between the upper ends of the spectroscopes and the bracket forms a light transmission area. The spectroscopes are semi-transparent semi-reflecting surface reflector, and serve as light combiners to project virtual images to reality, thereby preventing images distortion. A human eye is placed in the light transmission area, and the virtual image and the reality image are captured through the light transmission area.

The invention discloses a making method of ready-to-eat soup with pepper. Based on the formula of conventional soup with pepper, flour is used as a raw material, kelp, laver and a composite stabilizerare added, and the ready-to-eat soup with pepper is processed and made. The influence of the addition quantity of three kinds of stabilizing agents including xanthan gum, carrageenin and konjaku flour on the brewing stability of the soup with pepper is researched, based on single-factor experiment, the optimal compounding ratio of the stabilizing agents is researched through three-factor three-level orthogonal experiment, and the optimal technological condition is determined; and the soup with pepper, which is made under the optimal technological condition, is uniform in soup color, viscous in soup liquor and good in stability and mouth feel.

The invention provides a preparation device for a nano material. The preparation device comprises a control unit, an automatic material conveying unit, a material stirring and smashing unit, an automatic material separation unit, an automatic material grading unit and a material collecting unit. The control unit is in control connection with the automatic material conveying unit, the material stirring and smashing unit, the automatic material separation unit and the automatic material grading unit. A position sensor is arranged between the control unit and a vacuum grinding cavity. Position feedback information, of materials in the vacuum grinding cavity, fed back by the position sensor is received by the control unit, and the rotation speed of a driving device is automatically controlled and adjusted according to the position feedback information. According to the preparation device, for the nano material, provided by the invention, in the preparation process, energy consumption is low, the efficiency is high, pollution is avoided, and a green low-carbon environment-friendly preparation technology is achieved.

The invention discloses a cement anti-erosion agent for high-pressure jet grouting and a use method thereof. The cement anti-erosion agent is prepared by mixing the following raw materials in parts byweight: 65-93 parts of aluminum-containing inorganic salt, 5-12 parts of a thickening agent, 2-5 parts of a mineral admixture and 7-18 parts of an excitant. The anti-erosion performance of cement slurry with a high water-cement ratio can be improved under a low mixing amount by the cement anti-erosion agent; the cement slurry has low fluidity and long initial setting time, a large-diameter cement-soil pile can be formed in a large-gap loose stratum, the long initial setting time facilitates construction operation of inserting a precast pile after the cement-soil pile is formed, loss of cementmaterials can be effectively avoided, and the construction is easy.

The invention discloses an LED (light-emitting diode) street lamp reflector which comprises a plurality of reflector modules. Each reflector module comprises a base; the upper surface of the base is provided with a light receiving reflecting surface; a light polarizing plate is vertically arranged on the base; the surface of the light polarizing plate, which is opposite to the light receiving reflecting surface, is provided with a light polarizing reflecting surface; the light receiving reflecting surface and the light polarizing reflecting surface are both arc-shaped curved surfaces; and the light receiving reflecting surface is perpendicular to the light polarizing reflecting surface. The light receiving reflecting surface of the LED street lamp reflector is perpendicular to the light polarizing reflecting surface, and an LED light source with a disposable bimodal lens is arranged on a limiting hole of the base, the asymmetrically distributed light can be formed in the road width direction, and more light rays can irradiate one side of a lane so that the road illuminating light flux utilization of an LED street lamp can be improved. When the LED street lamp reflector is used for illuminating the road, more light rays can irradiate the lane so that the illuminance of the surface of the lane can be improved. The LED street lamp reflector can be used easily and flexibly and has high illuminance and high uniformity of illuminance.

The invention discloses a VA all-perspective LCD and a manufacturing method thereof. Every independent pixel is cut by a plurality of hollowed-out small thin strips, an inclined acting force is applied to liquid crystal molecules so that the liquid crystal molecules deflect, the circumstances that initial inclination angles of liquid crystal molecules of an existing vertical alignment type liquid crystal panel are insufficient due to insufficient strength of friction of an alignment layer or uneven friction, a preset angle cannot be achieved in a working process, light cannot pass and then black spots are generated are avoided, and display characteristics of ultra-wide visual angle, high-contrast display, zero chromatic dispersion and the like are realized. In addition, an existing conventional VA production line is not required to be improved, and the VA all-perspective LCD can be produced directly on the basis of the conventional VA production line.

The invention belongs to the technical field of hydrate preparation, and relates to a method for promoting rapid generation of methane hydrate by using carbon nanotube composite hydrogel, which comprises the steps of preparing the carbon nanotube composite hydrogel and generating the methane hydrate. The carbon nanotubes are fixed in a macromolecular three-dimensional network structure of the hydrogel in a relatively dispersed state, so that the phenomena of easy caking and poor dispersity in a liquid phase environment are avoided, the excellent heat-conducting property of the carbon nanotube monomer is brought into full play, and the heat transfer rate of a methane hydrate reaction system is increased; meanwhile, the hydrogel particles absorbing water are small in particle size and large in specific surface area, the contact area of methane gas molecules and water molecules is greatly increased, and compared with a traditional liquid medium, the gas mass transfer rate is greatly increased; and the principle is scientific and reliable, the morphological structure of the carbon nanotube composite hydrogel is not easy to damage in the generation and decomposition process of the methane hydrate, and the carbon nanotube composite hydrogel is easy to reuse and good in cyclic utilization performance.

The invention discloses a PVC environment-friendly calcium-zinc composite stabilizer, which comprises the following components in parts by weight: 25-55 parts of an allantoin calcium-zinc compound, 20-35 parts of calcium lanolate, 5-15 parts of phosphite ester, 4-11 parts of polyol, 10-16 parts of a nitrogen-containing organic compound, 9-23 parts of magnesium-aluminum hydrotalcite, 5-13 parts ofbeta-diketone, 2-8 parts of an antioxidant, 5-18 parts of acrylamide and 5-8 parts of monoglyceride. Meanwhile, the invention also discloses a preparation method of the product. The PVC environment-friendly calcium-zinc composite stabilizer selects the allantoin calcium-zinc compound and the calcium lanolate as main stabilizers, is used for production of environment-friendly nontoxic stabilizers for PVC extrusion and injection molding processing industries, and is high in stability, good in comprehensive performance, nontoxic and environment-friendly..

The invention discloses a zero-optical path difference interfering optical element. The zero-optical path difference interfering optical element is characterized in that a pentaprism is divided in a set way into a light path reflecting unit on the right upper part and a light path deflecting unit embedded on the left lower part of the reflecting unit respectively; the reflecting unit and the deflecting unit are repositioned according to corresponding positions before division and adhered to restore the shape of the pentaprism. The zero-optical path difference interfering optical element can achieve multi-spectral synchronous dispersion-free interference.

A streak camera reflection type off-axis optical coupling device comprises a drawtube, a collimating mirror seat, a collimating mirror, a focusing mirror seat and a focusing mirror, wherein the center of the drawtube is provided with a cylindrical hole; the collimating mirror seat is a cylinder, one side of the center of the collimating mirror seat is provided with a light outlet, the larger part on the other side of the light outlet is provided with a round groove, a preset angle is formed between the round groove and the central axis, the collimating mirror seat is fixed on one end of the drawtube through screws, the screws are used to adjust the relative positions of the collimating mirror seat and the drawtube; the collimating mirror is in the round groove of the collimating mirror seat; the focusing mirror seat is a cylinder, one side of the center of the focusing mirror seat is provided with a light inlet, the larger part on the other side of the light inlet is provided with a round groove, a preset angle is formed between the round groove and the central axis, the focusing mirror seat is fixed on the other end of the drawtube through screws, and the screws are used to adjust the relative positions of the focusing mirror seat and the drawtube; and the focusing mirror is in the round groove of the focusing mirror seat.