319 results about "Diffusion type" patented technology

The invention discloses a PC (Polycarbonate) material with an excellent transparent light diffusion function and a preparation method thereof. The PC material is composed of polycarbonate, flame retardant masterbatch, an auxiliary flame retardant, a compound light diffuser, an antioxidant, a flame retardant synergist, a lubricant and other auxiliaries. The principle ingredient of the PC material is PC resin; the PC material is extruded by two steps, wherein the first step is to blend a sulfonate type major flame retardant and an organic silicon flame retardant with the PC resin by melting and granulate the mixture through extrusion by virtue of a twin-screw extruder so as to obtain the light diffusible flame retardant masterbatch, and the second step is to add the compound light diffuser, the flame retardant masterbatch, the antioxidant, the flame retardant synergist, the lubricant and other auxiliaries for further melting blending by taking PC as the major ingredient, and then extrude and granulate the mixture. The flame-retardant light diffusible PC material provided by the invention can be widely applied to an LED (Light-Emitting Diode) lamp, the backlight of a liquid crystal display, a transmission type screen, a decorative lighting billboard, an advertisement lamp box and the like in the lighting field.

The invention discloses a device and a method for controlling fine particle emission in wet flue gas desulfurization. The device includes a wet flue gas desulfurization column, a diffusion-type steam nozzle, a steam mass flow controller, an acoustic wave agglomeration chamber, an acoustic wave generating unit, a mist eliminator and a washing nozzle. In the device, flue gas adjustment, agglomeration and growth of fine particles and a removal effect are integratedly completed in the acoustic wave agglomeration chamber so that defects of low efficiency, high sound pressure level and high energy consumption during the agglomeration and the growth of the fine particles through conventional acoustic wave agglomeration are avoided, and meanwhile, the defect of quite high energy consumption required for achieving oversaturation of flue gas, which is low in moisture content, just by means of addition of steam is overcome when the removal of the fine particles is promoted by means of the steam phase transition principle. The device and the method allows a problem that an adjusting chamber and a phase transition chamber are required to be established at the same time in steam phase transition to be solved, is simplified in a device structure and a operation cost without change of a structure of an original desulfurization column, and can achieve low energy consumption and high efficient of removal of the fine particles in the wet flue gas desulfurization.

A terminal dynamic air supplying unit of personalized air conditioner system is composed of draught port, speed-variable fan, air delivering tube, diffusion-type air supplying port, fan rotation speed controller consisting of computer or single-chip computer, voltage amplifier and frequency converter, and control panel. Said computer has memory, executor and D/A converter. It can supply the dynamic wind similar to natural wind.

The inventive system consists of a gas circuit part and an electrical control part. The gas circuit part includes a mixed gas chamber, a thermostatic water channel with a refrigerating source, a heating source and a water circulating pump and a gas-storage unit with penetration standard gas or diffusion standard gas inside. The electrical control part includes a mass flow controller for controlling the operation of the mass flow instrument, a PID self-adjusting instrument for controlling the operation of the thermostatic water channel and a central computer for controlling the operations of the mass flow controller, the PID self-adjusting instrument and the water circulating pump.

An optical assembly includes a light diffusing layer attached to a reflective polarizing layer. An intermediate region between the light diffusing layer and the reflective polarizing layer includes an intermediate structure that defines voids between the light diffusing layer and the reflective polarizing layer.

The invention discloses a manufacturing method for a high-pressure quick soft recovery diode with a diffusing buffer layer and belongs to the field of semiconductor devices. A buffer layer of a quick recovery diode with the diffusing buffer layer is manufactured by adopting a twice diffusing method. Before a PN junction and an electrode are prepared, the primary phosphorus diffusing is firstly adopted so as to generate low-concentration and high-junction-depth phosphorus diffusing areas on two surfaces of a silicon wafer, and then the junction depth of the primary phosphorus diffusing is continuously boosted during the processes of secondary phosphorus diffusing and boron aluminum diffusing, and lastly, the junction depth of the primary phosphorus diffusing is 20 microns deeper than that of the secondary phosphorus diffusing and the depth of the area with a front concentration less than 1*1015/cm-3 of the primary phosphorus diffusing is not less than 15 microns. A defect zone-free silicon-melted single crystal and the diffusing buffer layer are adopted, so that the voltage and current levels of the quick soft recovery diode are greatly increased.

The invention discloses a multipoint dispersive accumulative alpha energy spectrum soil radon-measuring method, which comprises the following steps: A. a measuring point is selected, and a data acquisition unit is buried into the soil of the measuring point; B. after radon gas in the soil is dispersed into a radon gas acquisition chamber of the data acquisition unit, the data acquisition unit is started; C. the data acquisition unit accumulatively collects and measures radon of the measuring point and alpha radiators in daughters of the radon, and then transmits measuring data to an on-scene data management module; D. the on-scene data management module performs statistic analysis on the measuring data, and then transmits the measuring data to a computer analysis module; and E. the computer analysis module further analyzes the data. The method can overcome the defects of the prior soil radon-measuring method, can solve the problems of low measuring efficiency, measuring precision, measuring accuracy and measuring reliability of the soil radon, and can realize qualitative measurement on the radon and daughter nuclide of the radon, thereby being capable of meeting the active demand of the prior geological exploration field and the prior environmental evaluation field on measurement of the soil radon.

This invention is a kind of single alloy compression-diffusion type metal hydride heat pump/refrigeration method and its system. Pressure difference between metal hydride under solid solution phase and hydride phase is generated. Metal hydride absorbs hydrogen and releases heat at high- pressure side. It releases hydrogen and absorbs heat at low -pressure side. Through heat exchanger carrying away the generated heat/cold energy, heating/refrigerating is fulfilled. The hydrogen atoms, which are absorbed from metal hydride high- pressure side, are transferred to low pressure side through the inside of metal hydride continually by diffusion effect. This system includes compressor, one-way valve, hydrogen pipeline and diffusing bed. The diffusing bed includes pore filter sheet, low temperature heat exchanger, bed body insulating outer wall, metal hydride powder and high temperature heat exchanger.

A process for preparing diffusion-type alloy steel powder uses water-atomized pure iron powder and powdered alloy elements as raw materials, and includes mixing and diffusion steps. It can be used for high-density and high-strength powder metallurgy with the advantages of low cost and excellent performance.

Ups and downs having a cycle of not more than 5 mum and an amplitude of not less than 200 nm are formed in a part of not less than 70% per unit length of a prior-austenite grain boundary which is observed in a linear form when seen from a vertical plane by a series of steps of subjecting a steel in a state of austenite to a deformation in not less than 30% of a total area reduction rate at a temperature region which is lower than recrystallization temperature of austenite, and subsequently cooling a deformed steel without causing neither recrystallization nor phase transformation of a diffusion type.

The invention provides a low energy consumption device and method for removal of arsenic from water by electrochemistry coordinated oxidation-flocculation. The method employs a gas diffusion type air cathode to replace an iron cathode in common electric flocculation, utilizes the passive diffusion of oxygen in air to achieve in-situ formation of H2O2 on the surface of a catalyst layer, promotes the generation of active species (.OH and Fe(IV)), and rapidly oxidizes As(III) into As(V), anode generated metal ions (iron ions, aluminum ions or zinc ions) are hydrolyzed to generate a large number of flocs, and adsorption is carried out to remove As(V). Compared with traditional electric flocculation, the method not only can achieve efficient oxidation of As(III) and up-to-stand removal of total arsenic, also saves aeration energy consumption by about 200Wh.m<-3>, and reduces the electrode reaction energy consumption by 30-40%.

A diffusion type porous medium gas fuel combustor comprises a shell, an air duct and a fire-resistant casing pipe, the air duct is connected with the shell, the bottom end of the shell is connected with the top plate of a gas flow dividing tank, the shell is internally provided with the fire-resistant casing pipe, a tray and a gas flow dividing tube from top to bottom, the bottom end of the fire-resistant casing pipe is contacted with the tray, the tray is fixed on the shell or the gas flow dividing tube, the bottom end of the gas flow dividing tube is fixed on the top plate of the gas flow dividing tank, and the gas flow dividing tube and the gas flow dividing tank are communicated internally; the fire-resistant casing pipe is provided with macro porous medium, micro porous medium and lower layer metal fiber from top to bottom, and the lower layer metal fiber is connected with the tray and the gas flow dividing tube simultaneously. The inventive diffusion type porous medium gas fuel combustor can be used for efficiently avoiding tempering when combustion intensity is stronger, thus achieving the effects of protecting micro porous medium and saving energy.

The invention discloses a multi-node OBS vertical cable earthquake collection system. The system comprises a first hydrophone array cable, a collection station, a second hydrophone array cable, a positioning floating drum, a floating body, an acoustic releaser and a counterweight anchor. Auxiliary bearing cables are weaved on the surfaces of the first hydrophone array cable and the second hydrophone array cable. Pressure-resistant hydrophones are uniformly and isometrically distributed on and connected with the first hydrophone array cable and the second hydrophone array cable along the axial direction. The collection is connected with and fixed on the part between the lower end of the auxiliary bearing cable weaved on the surface of the first hydrophone array cable and the upper end of the auxiliary bearing cable weaved on the surface of the second hydrophone array cable. The collection station comprises a main collection station and a slave collection station, is used for exploring seabed earthquakes and natural gas hydrates and is capable of carrying out unconventional processing on stereo observation earthquake data according to the characteristics of hydrate ore bodies such as a seabed diffuse type hydrate ore body, carrying out modeling and imaging on wideband wide-angle earthquake reflection stratums and providing technical support for hydrate identification and reserve prediction.

The invention relates to the communication field and the embodiment of the invention discloses a preset guard ring distributed configuration protocol on the basis of partial diffusion type. The method of the invention comprises the following steps of: realizing rapid distribution of the guard ring information through spreading the configuration message in a gap-bridging link of the configuration guard ring; the flooding operation among the adjacent nodes on the guard ring; the method for maintaining the local resource information; the expanding of an OSPE-TE protocol based on a GMPLS system; a simulation platform based on an OPNET ASON Simulator; partial spreading configuration style and rings interconnection configuration style. The process that the configuration style makes use of the flooding of the range of nodes in the ring to inform the P ring of configuration resource information is characterized by being rapid and reliable; and in an actual network, the protocol can be actually used through making a little revise to the processing mode of the device. The configuration method is particularly applicable to a high-speed, high-connectivity mesh optical network, can increase the resource configuration speed of modern optical-fiber network and reduce maintenance cost. The advantages of the invention are more obvious in a network with stronger dynamical property.

The invention relates to a gas normal pressure sampling device suitable for vehicle-mounted measurement. The gas normal pressure sampling device is characterized by comprising a sampling outer pipe, a gas sampling pipe, a pressure sensor, a stepping motor and two porous plates, wherein the sampling outer pipe consists of a thin pipe and a thick pipe which are integrally arranged; the thin pipe and the thick pipe are connected by adopting a diffuse type structure; a branch pipe which extends downwards is arranged on a side wall of the thick pipe; one end of the gas sampling pipe penetrates through the branch pipe and is communicated with an inner cavity of the thick pipe; the other end of the gas sampling pipe is connected with a first end of a three-way joint, a second end of the three-way joint is connected with a sampling header pipe of a gas concentration detection instrument, and a third end of the three-way joint is connected with the pressure sensor; the pressure sensor is electrically connected with the stepping motor; the stepping motor is fixed on the porous plate positioned on the outer side, and a rotating shaft of the stepping motor penetrates through the porous plate positioned on the outer side and is rotationally connected with the porous plate positioned on the inner side. The gas normal pressure sampling device can be widely applied to gas sampling during aerial survey.

The invention relates to a diffusion type reflection film and a preparation method thereof in order to solve a problem that LED lamp shadows are easily generated in a current backlight module. The reflection film comprises a reflection film base material with a structure of A, B, A layers. A diffusion coating containing particles with large particle sizes is coated on one face of the reflection film base material. During a preparation process, raw materials of the diffusion coating are prepared into diffusion glue paint which is formed by following components of, by mass, 45-66% of mixed solvent, 30-40 % of adhesive, 3-10% of polyisocyanate cross-linking agent, and 1-5% of diffusion particles with large particle sizes, wherein the particle size of each diffusion particle is 25-50[mu]m. According to the invention, when the reflection film is applied to a liquid crystal display backlight module, generation of the LED lamp shadows is avoided and a problem of uneven brightness is solved.

A diffusion-type gas sensor is disclosed. The sample chamber uses a narrow slot as a gas diffusion port. The slot is advantageous as it can be formed during extrusion of chamber stock material, instead of during subsequent machining steps that are costly and may adversely affect the chamber surfaces. Further, the slot profile can be designed according to various profiles and/or positions that can improve gas diffusion, chamber reflection efficiency, or both, as compared to conventional ported chamber designs.

The invention relates to a steel-ladle gas-permeable upper nozzle seat brick. The steel-ladle gas-permeable upper nozzle seat brick comprises an upper nozzle seat brick body, a diffusion type gas-permeable ring, a gas chamber box and a gas inlet pipe, wherein a steel flowing hole, a connecting hole and an upper nozzle installing hole which vertically penetrate are formed in the middle of the steel-ladle upper nozzle seat brick body. In the continuous-casting steel-ladle pouring process, argon is blown in the whole process, and the flow rate of argon is automatically adjusted according to changes of net weight of molten steel in a steel ladle; the argon permeates through the diffusion type gas-permeable ring to form tiny argon bubbles, most of the argon bubbles move upwards to form an annular gas curtain barrier around the steel-ladle upper nozzle, and the molten steel to be fed into the steel-ladle upper nozzle is subjected to gas washing; and a stable and continuous annular gas flow is formed in the upper nozzle for preventing nodulation of the upper nozzle, and at the later stage of the steel ladle pouring, the steel-ladle lower slag caused by a conflux vortex and a discharge pitcan be effectively inhibited. By means of the steel-ladle gas-permeable upper nozzle seat brick, compared with the prior art, the pouring margin of the molten steel in the steel ladle can be reducedby 36% or above, and the weight of electrolytic inclusions of a continuous casting blank sample is reduced by 35% or above.

There is provided an image display device including a display unit that displays an image by pixels that are arranged in a two-dimensional matrix pattern; and a gradation conversion unit that performs gradation conversion using a dither matrix of diffusion type, wherein the gradation conversion unit applies a dither matrix that is randomly shifted in a horizontal direction and a vertical direction and performs gradation conversion of an image that is displayed on a display unit to each region of pixels that corresponds to the dither matrix.

The invention discloses a diffusible time-temperature indicator, an indicator card and a preparation method thereof, wherein the time-temperature indicator consists of methyl salicylate, gamma-caprolactone and a coloring agent, and the volume ratio of the methyl salicylate to the gamma-caprolactone is 40: (1-5). The time-temperature indicator card adopts the mixture of the methyl salicylate and the gamma-caprolactone as a diffusible substance, the coloring agent is further added, the indicator is prepared by fully mixing, then the solidified state is formed by ultra-low temperature processing, and the solidified indicator is in contact with the diffusible medium for preparing the indicator card. The time-temperature indicator card can change the mixing ratio of the methyl salicylate and the gamma-caprolactone, realize the regulation of the critical temperature of the indicator, be applicable to the needs of different frozen foods and have a wide range of applications.