247results about How to "Rough surface" patented technology

The invention discloses a magnetic biological carrier and a preparation method thereof. The raw materials of the magnetic biological carrier comprise aggregate, iron oxide, a binder and a reducing agent. The preparation method of the magnetic biological carrier comprises the following steps of: mixing the aggregate, iron oxide and the reducing agent, crushing, screening with a 60-mesh sieve to obtain a mixed material, adding water which is 30-60% of the mixed material by weight to the binder, stirring for dissolving the binder to obtain a binder solution, then mixing the binder solution with the mixed material, uniformly stirring, granulating and shaping to obtain 2-10 mm granules, drying the granules till the water content of the granules is less than 10%, and calcining at the temperature of 350-1100 DEG C for 0.2-10 hours to obtain the magnetic biological carrier. The magnetic biological carrier provided by the invention can be applied to the deep treatment of secondary treatment water of domestic sewage, meets the requirements of landscape water replenishing and circulating cooling water treatment, and can be used for realizing the deep treatment and resource utilization of industrial wastewater.

A method for forming a conductive thin film includes depositing a metal oxide thin film on a substrate by an atomic layer deposition (ALD) process. The method further includes at least partially reducing the metal oxide thin film by exposing the metal oxide thin film to a gaseous inorganic reducing agent, thereby forming a metal layer. In preferred arrangements, the reducing agent comprises of thermal hydrogen (H2), hydrogen radicals (H*) and / or carbon monoxide (CO).

There is provided improved laser sintering systems that increase the powder density and reduce anomalies of the powder layers that are sintered, that measure the laser power within the build chamber for automatic calibration during a build process, that deposit powder into the build chamber through a chute to minimize dusting, and that scrubs the air and cools the radiant heaters with recirculated scrubbed air. The improvements enable the laser sintering systems to make parts that are of higher and more consistent quality, precision, and strength, while enabling the user of the laser sintering systems to reuse greater proportions of previously used but unsintered powder.

A flip-chip light emitting diode and fabricating methods are disclosed. A soft transparent adhesive layer is utilized to past a transparent conductive substrate onto a light emitting diode epitaxy structure on a substrate, and the substrate is next removed entirely. Then, a mesa-etching process is performed to form a first top surface and a second top surface on the light emitting diode epitaxy structure for respectively exposing an n-type layer and a p-type layer in the light emitting diode epitaxy structure. Next, a metal reflective layer and a barrier layer are formed on the light emitting diode epitaxy structure in turn, and electrodes are finally fabricated on the barrier layer.

Electrochemical machining is used to generate the helical lobe profiles of the stator of a progressive cavity pump or motor. A thin, elastomeric liner, of uniform thickness is bonded either to the interior of the stator, or to the exterior of the rotor. Where the elastomeric liner is to be bonded to the interior of the stator, bonding is improved by electrically etching the interior of the stator during the electrochemical machining process to produce a roughened surface.

The invention relates to a preparation method of three-layer lead tissue regenerating velum with gradient, belonging to macromolecule biomedical material field. The velum is a three-layer composite velum made from natural biological material, degradable polymer and nanometer hydroxyapatite as raw materials. The method comprises steps of dissolving mixture of the natural biological material, degradable polymer and nanometer hydroxyapatite with different proportions in a special solvent; preparing the natural biological material / degradable polymer / nanometer hydroxyapatite three-layer gradient composite velum through static spinning layer by layer; and using pure natural biological material to modify surface of the velum by means of static self-assembly layer by layer. The velum has excellentbiological compatibility and mechanical property; one side of the velum is crude and loose, so the side can face to a defect area and is helpful for bones to absorb and grow and for blood coagulationblocks to stabilize; the other side is smooth and compact, so the side can face to surrounding tissue to prevent connective tissues from entering the defect area.

The invention discloses a device for filtering various water sources into direct drinking water. A primary biological-purification combined filter core water purifying module is added in front of conventional water purifying treatment equipment according to a water body purifying principle; and the steps of ozone pre-oxidation and chlorine sterilization are not needed, and pollutants in water, which are harmful to human bodies, are removed by relying on the metabolism effect of clustered microorganisms in the water. The device has the advantages of compact structure, small occupied area, low water making cost and large application range; the made purified water can be afforded by vast numbers of rural population and urban population. The invention is implemented through the following technical scheme: the disclosed biological-purification combined filter core water purifying module and the conventional water purifying treatment unit thereof are designed and manufactured into standard combined filter core modules; the combined filter core modules are buckled with each other from up to down to form a tower-shaped water purifying device according to the sequence of a water purifying treatment process; as for different water resources and different customer requirements, all that is needed is to replace the combined filter core modules in different processes according to the local water quality situation; and various water sources can be filtered into the direct drinking water.

The invention relates to a semiconductor device comprising a physical structure (50) for use in a physical unclonable function, wherein the physical structure (50) comprises a lead-zirconium titanate layer (25), and a silicon-comprising dielectric layer (27) deposited on the lead-zirconium-titanate layer (25), wherein the silicon-comprising dielectric layer (27) has a rough surface (SR), the physical structure (50) further comprising a conductive layer (30) provided on the rough surface (SR) of the silicon-comprising dielectric layer (27). The invention further relates to a method of manufacturing such semiconductor device. The invention also relates to a card, such as a smartcard, and to a RFID tag comprising such semiconductor device. The inventors have found that depositing of a silicon- comprising dielectric layer (27) on a lead-zirconium titanate layer (25) using vapor deposition results in a silicon-comprising dielectric layer (27) having a rough surface (SR). This rough surface (SR) can be used in a PUF to make a resistor (R) with a variable random value by depositing a conductive layer (30) on the rough surface (SR). Alternatively, the combination of both layers (25, 27) can be used in a PUF as composite dielectric to make a capacitor (C) with a variable random capacitance value.

Various technologies pertaining to provision of haptic feedback to users of computing devices with touch-sensitive displays are described. First haptic feedback is provided to assist a user in localizing a finger or thumb relative to a graphical object displayed on a touch-sensitive display, where no input data is provided to an application corresponding to the graphical object. A toggle command set forth by the user is subsequently identified; thereafter, an input gesture is received on the touch-sensitive display, and second haptic feedback is provided to aid the user in setting forth input data to the application.

The invention discloses a processing method of whole grain vermicelli. The processing method comprises the following steps of carrying out drying, cleaning, grading, stone removal and milling processes on whole grain, carrying out ultramicro-crushing to obtain whole grain superfine powder having fineness less than 74 micrometers, carrying out adjustment on water content of the whole grain superfine powder until the water content is in a range of 10 to 50%, feeding the whole grain superfine powder with water content of 10 to 50% into an extruder for one-step pasting extrusion noodle forming, setting extrusion conditions, wherein a first zone temperature is in a range of 40 to 60 DEG C; a second zone temperature is in a range of 60 to 80 DEG C; a third zone temperature is in a range of 80 to 120 DEG C; a forth zone temperature of 80 to 120 DEG C; a fifth zone temperature is in a range of 120 to 150 DEG C; and a sixth zone temperature is in a range of 70 to 90 DEG C, carrying out extrusion, and carrying out hang drying, cooling, cutting and packaging processes on extruded whole grain noodles to obtain whole grain vermicelli products. The processing method adopts a superfine powder crushing technology and a twin-screw boiling-extrusion physical modification vacuum degassing one-step forming technology to produce the whole grain vermicelli products so that various original nutrientcomponents of natural grain are retained; storage time is prolonged; and whole grain food processing quality and whole grain food edible quality are improved.

Electrochemical machining is used to generate the helical lobe profiles of the stator of a progressive cavity pump or motor. A thin, elastomeric liner, of uniform thickness is bonded either to the interior of the stator, or to the exterior of the rotor. Where the elastomeric liner is to be bonded to the interior of the stator, bonding is improved by electrically etching the interior of the stator during the electrochemical machining process to produce a roughened surface.

A closure device comprising a plastic lid which is articulated to a skirt that is designed to surround a neck of a container. A majority of the surface of the lid is made up of an external convex surface that is provided with a concave recess which is disposed more or less opposite an area in which the lid is articulated to the skirt. One section of the lid can rest against a heel which is provided close to an upper edge of the skirt so as to lock the lid in a position in which the device is completely open.

The invention relates to a process for preparing asphaltic concrete with conducting function, which is characterized in that the process includes the procedures of 1), preliminary treatment of aggregates, which means washing away the foreign matters of the steel slag with water. 2), raw materials preparation, which means that the percentage by weight of each component is that rough aggregates is 55%-80%, fine aggregates is 13%-30%, mineral filler is 7%-15%, the rough aggregates, fine aggregates and mineral filler are selected to reserve as aggregates, consumption of asphalt cement is 6%-8% of the weight of the aggregates, consumption of fabric stabilizer is 0.1%-0.5% of the gross weight of the aggregates and the asphalt cement, consumption of conducting material is 10-30% of the weight of the asphalt cement, and gradation design of SMA mixture is employed. 3), mixture blending, which means charging fractionally and blending multitime, the temperature is kept not lower 150 DEG C when molding. The preparing process has simple technique and low cost. The prepared asphaltic concrete has good conducting function and pavement using property.

The present invention relates to a vacuum glass, which is characterized in that peripheries of an upper glass and a lower glass of the vacuum glass comprise edge sealing strip frames, and a metal welding material or an alloy welding material is adopted to integratedly weld the upper glass and the lower glass in a vacuum edge sealing furnace, such that vacuum glass manufacturing is simple, and a sealing effect is ensured through engagement of the upper edge sealing strip frame and the lower edge sealing strip frame. The manufacturing method has characteristics of simple process, low cost, high production efficiency, reliable sealing and good sealing effect. With the technology, large mass manufacturing of the vacuum glass with no gas exhaust port through the one-step method can be achieved. In addition, with the method, the universal vacuum glass can be manufactured, and the tempered vacuum glass can be manufactured.

Moulding composition, comprising, based in each case on the total weight of the moulding composition,A) from 49.5% by weight to 99.5% by weight of a polymer matrix which is composed of a (meth)acrylate (co)polymer or of a mixture composed of (meth)acrylate (co)polymer,B) from 0.5% by weight to 15.0% by weight of ceramic beads,where the melt volume index MVR, measured to ISO 1133 for 230° C. and 3.8 kg, of the moulding composition is from 0.1 cm3 / 10 min to 5.0 cm3 / 10 min.The moulding composition can be used for production of mouldings with a velvet-matt and preferably rough surface. These mouldings are particularly suitable as parts of household devices, of communications devices, of hobby equipment or of sports equipment, or as bodywork parts or parts of bodywork parts in automobile construction, shipbuilding or aircraft construction, or as parts for illuminants, signs or symbols, retail outlets or cosmetics counters, containers, household-decoration items or office-decoration items, furniture applications, shower doors and office doors, or else as parts in the construction industry, as walls, as window frames, bench seats, lamp covers, diffuser sheets, or for automobile glazing.

The present invention discloses a method for complexing hydrothermal synthesis of uniform flower-like MoS2 nanospheres. The method comprises: sequentially dissolving a certain amount of a molybdenum source, a sulfur source and a complexing agent in deionized water to form a solution, regulating the molybdenum source concentration to 0.04-0.16 M, regulating a molar ratio of the sulfur source to the molybdenum source to 2:7-4:1, and regulating a molar ratio of the complexing agent to the molybdenum source to 2-6; placing the prepared solution in a closed hydrothermal reaction kettle, controlling the reaction temperature at 120-200 DEG C, and controlling the reaction time at 24-72 h; and after completing the reaction, cooling, carrying out suction filtration, washing, and drying to obtain the flower-like MoS2 nanospheres. According to the present invention, the synthesis method has advantages of mild condition, simple operation, uniform product morphology and particle size, good product dispersion property, and high yield; and the synthesized flower-like MoS2 nanospheres adopted as oil product hydrogenation catalysts, electrode materials, solid lubricants and the like have wide applications.

There is provided a laminated fabric with a structure in which a face textile is laminated on one side of a durable film with a temporary adhesive layer interposed therebetween and a back textile is laminated on the other side of the durable film with a durable adhesive layer interposed therebetween.

An application of waste brick in treating sewage is dislcosed, which features that the leftover of brick is mechanically broken to become the granular adsorbent of harmful element (P, etc) in sewage. Its advantages are high adsorptive ability and low cost.

The invention discloses a method for preparing bamboo shoot shell-based activated carbon for a super capacitor. The method comprises the following steps of firstly carrying out pretreatment processes such as washing and drying on raw material bamboo shoot shells; then carbonizing the bamboo shoot shells at high temperature, treating by acid to remove trace metal elements, washing by using distilled water and drying; finally, activating, washing and drying to obtain bamboo shoot shell-based activated carbon. The bamboo shoot shell-based activated carbon is tubular in microstructure, the micropore structure is developed, the specific surface area is as high as 3162m<2> / g, and the specific capacitance is as high as 308Fg<-1> when the electric current density is 1Ag<-1>; when the electric current density is 2Ag<-1>, the specific capacitance has no attenuation basically and is as high as 271Fg<-1> after 10000 times of circulation, and thus the cycle performance is excellent, so that the bamboo shoot shell-based activated carbon has good application prospects in the fields of super capacitors and energy storage. In addition, according to the invention, the bamboo shoot shells are taken as raw materials, so that the comprehensive utilization of the wastes is realized.

The invention provides a method for effectively removing ammonia nitrogen from a polluted water body, which comprises the following steps of: removing large suspended particles from source water polluted by a nitrogen source by the conventional drinking water treatment process; introducing into a modified nitrifying bacteria immobilization filter to remove the ammonia nitrogen by using immobilized nitrifying bacteria; and performing loading modification and nitrifying bacteria immobilization on activated carbon used in the nitrifying bacteria immobilization filter. By the method, the ammonia nitrogen in micro-polluted source water can be effectively removed at normal temperature and at a low temperature; meanwhile, operating cost is obviously reduced; the active element iron loaded by theactivated carbon is favorable for improving the ammonia nitrogen adsorption property of the activated carbon; and the nitrifying bacteria are stably attached. The method is suitable for treating water bodies with different pollution degrees, and is good in effect and wide in application range.

A method of trimming a balloon of a balloon catheter is provided that includes creating protrusions on the balloon by wrapping a member around the balloon, leaving the member wrapped around the balloon and removing the member from the balloon. The member is wrapped around the balloon such that spaced-apart loops of the member wrapped around the balloon compress the balloon leaving uncompressed portions of the balloon between the spaced apart loops of the member wrapped around the balloon to form the protrusions on the balloon. The member wrapped around the balloon is left for a predetermined period of time. The member is removed from the balloon after the predetermined period of time. A balloon catheter is also provided that is constructed in accordance with this method.

The invention discloses an abrasion-resistant recycled asphalt concrete and a preparation process thereof, relates to the technical field of asphalt concrete processing, and solves the problem that asphalt concrete pavement is prone to ageing due to frequent temperature changes and is prone to large abrasion during use. The abrasion-resistant recycled asphalt concrete comprises the following components in parts by weight: 75 to 80 parts of new aggregate, 5 to 8 parts of SBS modified asphalt, 0.5 to 0.7 part of mineral powder, 20 to 35 parts of a recycled asphalt mix old material, 0.2 to 0.4 part of a regenerating agent, 6 to 10 parts of steel slag, 0.4 to 0.8 part of hydrated lime powder, 1.8 to 2.6 parts of fiber filler, 0.5 to 1.5 part of abrasion-resistant filler, 0.4 to 0.8 part of carbon black, 4.5 to 7.5 parts of sericite particles. The abrasion-resistant recycled asphalt concrete in the invention has good stability in the use process, is not easy to age due to intermittent friction heat generated between the abrasion-resistant recycled asphalt concrete and a wheel, and is not easy to greatly wear.

The invention relates to vacuum glass. The vacuum glass is characterized in that each of upper glass and lower glass is convex surface glass, edge sealing strip frames are arranged at the welded peripheries of the upper glass and the lower glass, and the upper glass and the lower glass are welded together by utilizing metal or alloy solder in a vacuum edge sealing furnace; and the manufacturing of the vacuum glass is simpler and more convenient, and the matching of the upper and the lower edge sealing strip frames can ensure a good sealing effect. The method has the advantages of simpleness in manufacturing process, low cost, high production efficiency, reliability in sealing and connecting and good sealing effect; the one-step large-batch preparation of the vacuum glass without exhaust ports can be realized by utilizing the technology, and the manufactured vacuum glass is strong in resistance to wind pressure and good in heat insulation and sound insulation; and the method can be used for manufacturing the ordinary vacuum glass and is particularly suitable for manufacturing tempered vacuum glass.

The invention discloses a cobalt-nickel-double-metal-hydroxide-nanosheet / carbon-nitride-coated nitrogen-doped hollow graphene sphere composite material and a preparation method thereof, and application as a supercapacitor electrode material. The composite material comprises a cobalt-nickel-double-metal-hydroxide-nanosheet / carbon-nitride-coated nitrogen-doped hollow graphene sphere has a 3D spherical appearance; and the specific surface area is 100 to 1000m<2> / g and the average pore diameter of 1 to 200mm. In addition, the preparation method includes the following steps: preparing a small polystyrene sphere; preparing a polyaniline-coated graphene sphere; preparing a carbon-nitride-coated nitrogen-doped hollow graphene sphere; and preparing a cobalt-nickel-double-metal-hydroxide-nanosheet / carbon-nitride-coated nitrogen-doped hollow graphene sphere composite material. Therefore, a problem of series agglomeration of the cobalt-nickel double-metal hydroxide unit structure during the traditional preparation technology process is solved effectively; and a novel method is provided for preparing an electrode material with advantages of large specific surface area, high flexibility, high electric capacity, and high stability.

The invention discloses a silt-matrical ecological floating island and a construction method thereof. The silt-matrical ecological floating island is constructed by the following materials: silt, light material ESP bubble grains and a curing agent prepared as per certain proportion. The steps thereof are: the lake silt, the bubble grains and the inorganic bond (curing agent, silicate, phosphate, borate or the compound thereof, such as cement or clay, and the like) and water are mixed and stirred; the mixture is filled in a mould; after solidification, dryness and molding, the mixture is taken out; the mixture is put in the polluted water body independently or after plants are planted; and the polluted water body is purified by the growth of microorganisms and plants on the floating island. Being inorganic materials, all the raw materials have stable chemical performance and no secondary pollution and is environmental-friendly, the co-action of plants and microorganisms is utilized for purifying water bodies, perfecting sights, and the effect is stable.

The invention relates to a double-sided photo-thermal conversion material and a solar seawater evaporation device constructed by the same. The double-sided photo-thermal conversion material has a composite layer (more than two layers) structure, and the upper and lower layers are hydrophilic photo-thermal conversion materials. The device is composed of the double-sided photo-thermal conversion material (with a three-layer composite structure, the lower layer is completely immersed in seawater, and the upper layer is located above the water surface), a water tank (containing seawater), a waterlevel adjusting mechanism (capable of adjusting the height of the water surface) and a turnover mechanism (capable of intermittently driving the double-sided material to turn over up and down). Alternatively, the device is composed of a conveyor belt (which is a hydrophilic photo-thermal conversion material with a double-layer composite structure and is distributed into three parts, namely, a partbelow the water surface, a part above the water surface and a part outside the water tank), a water tank, a water level adjusting mechanism, a supporting mechanism (capable of supporting the conveyorbelt) and a driving mechanism (capable of continuously driving the conveyor belt to work). The problems that in the prior art, salt particles separated out of the surface of a hot layer are not removed in time, consumed time is long, and cost is high are effectively solved.

There is provided improved laser sintering systems that increase the powder density and reduce anomalies of the powder layers that are sintered, that measure the laser power within the build chamber for automatic calibration during a build process, that deposit powder into the build chamber through a chute to minimize dusting, and that scrubs the air and cools the radiant heaters with recirculated scrubbed air. The improvements enable the laser sintering systems to make parts that are of higher and more consistent quality, precision, and strength, while enabling the user of the laser sintering systems to reuse greater proportions of previously used but unsintered powder.