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85results about How to "Avoid large emissions" patented technology

Phosphor and phosphor film for electron beam excitation and color display apparatus using the same

To provide a phosphor for an electron beam excitation with a small deterioration in an emission efficiency and capable of maintaining a high luminance, even when an excitation density of an electron beam for a phosphor excitation is increased. As raw materials, Ca3N2(2N), AlN(3N), Si3N4(3N), and Eu2O3(3N) are prepared, and the raw materials thus prepared are measured and mixed, so that a molar ratio of each element becomes (Ca+Eu):Al:Si=1:1:1. Then, the mixture thus obtained is maintained and fired for at 1500° C. for 3 hours, and thereafter crushed, to manufacture the phosphor having a composition formula Ca0.985SiAlN3:Eu0.015.
Owner:NICHIA CORP

Blast-furnace coal powder injection method using waste gas of hot-blast stove flue as carrier

The invention provides a blast furnace coal spraying method using flue gas of hot-air furnace, concretely using induced draft fan to draw the flue gas of hot-air furnace through special pipeline and control valve out of the flue, cooling by heat exchanger to enter air compressor, after compression, using coal feeder to blow the pulverized coal inputted by blowing tank to distributor, and thus spraying the pulverized coal into the blast furnace from each tuyere. And it implements waste gas utilization, saving primary energy sources; and helps indirect reduction reaction in furnace, so that secondary energy sources can be utilized; besides, largely avoids waste gas CO2 exhaust, reducing atmospheric pollution; can preheat pulverized coal, increasing combustion speed; and has the same system safety as N2 carrier, especially suitable for large scale blast furnace applications and having extremely remarkable energy saving and environmental protection effects.
Owner:ANGANG STEEL CO LTD

Simplified article for carbon monoxide removal

Provided are improved carbon monoxide removal articles and processes for treating hydrogen gas streams to achieve very low threshold levels of carbon monoxide. The articles have a substrate with an inlet end, an outlet end, a length extending between the inlet end to the outlet end, wall elements and a plurality of cells defined by the wall elements. A first layer is deposited on the wall elements from the inlet end and extending at least partially toward the outlet end. The first layer has a preferential carbon monoxide oxidation catalyst. A second layer contains a methanation catalyst, and is deposited on at least part of the first layer from the outlet end. The second layer has a length that is about 10–70% of the substrate length.
Owner:ENGELHARD CORP

Platinum group metal promoted copper oxidation catalysts and methods for carbon monoxide remediation

The invention provides processes for selectively oxidizing carbon monoxide from an input gas stream that contains carbon monoxide, oxygen and hydrogen. The process includes the step of contacting the input gas stream with a preferential oxidation catalyst. The preferential oxidation catalysts are copper-based catalysts containing low concentrations of platinum group metals. In some embodiments, the processes of the invention are conducted using preferential oxidation catalysts having an oxide support on which is dispersed copper or an oxide thereof, a platinum group metal and a reducible metal oxide. In other embodiments, the processes of the invention are conducted with a preferential oxidation catalysts having a cerium oxide support on which is dispersed copper or an oxide thereof and a platinum group metal.
Owner:ENGELHARD CORP

Semiconductor Laser Element and Semiconductor Laser Element Array

The present invention relates to a semiconductor laser element and the like which can efficiently emit laser beams at a small emission angle using a simpler configuration. The semiconductor laser element has a structure where an n-type cladding layer, active layer and p-type cladding layer are sequentially laminated. The p-type cladding layer has a ridge portion for forming a refractive index type waveguide in the active layer. The ridge portion, at least the portion excluding the edges, extends in a direction crossing each normal line of both end faces of the refractive index type waveguide, which corresponds to the light emitting face and light reflecting face respectively, at an angle θ, which is equal to or less than the complementary angle θc of the total reflection critical angle on the side face of the refractive index type waveguide. The optical paths of light components which resonate in the refractive index type waveguide formed by the ridge portion having the above form are limited to optical paths where the lights are totally reflected on the side face of the refractive index type waveguide. In other words, the laser beams emitted from the light emitting end have a spatial horizontal single mode, and the waveguide width can be increased to further decrease the emission angle of the laser beams.
Owner:HAMAMATSU PHOTONICS KK

Vehicular projection display apparatus

A vehicular projection display apparatus includes: an intermediate image forming optical member; a display device disposed to project light including a display image to the intermediate image forming optical member, and to form an intermediate image as a virtual image or a real image, and an HUD optical system which receives the light of the intermediate image formed by the intermediate image forming optical member, which guides the light to a reflecting face of a windshield of a vehicle or a light reflecting member in a vicinity of the windshield, and which projects the light to allow the display image to be visually recognized as a virtual image at a predetermined eye point. The intermediate image forming optical member forms the intermediate image in a state in which at least part of the intermediate image is curved from a flat plane with respect to the display device.
Owner:YAZAKI CORP

Sustainably constructed heat dissipating integrated lighting surface

A lighted heat dissipating panel made of sustainable renewable materials such as recycled aluminum and soy-based urethane, for use in architectural or shelving applications. The panel may be flat, rectangular, curvilinear, or of varying cross section so as to include any three-dimensional shape as desired. Lightweight materials such as carbon fiber, fiberglass, resin, soy-based urethane, and similar materials are used in combination with thermally conductive structural materials, such as expanded aluminum honeycomb, preferably fabricated from recycled aluminum, to provide a stiff, lightweight, machinable, moldable, and thermally conductive panel for use with lighting elements. Lighting elements are housed within the panel, providing illumination as desired. Heat is transferred from the lighting elements through the panel to the supporting structure and radiated from the panel itself, providing cooling effect for the lighting elements, reducing the temperature in the immediate vicinity of the lighting elements and providing for longer lighting element life.
Owner:LIGHTING SCI GROUP

Light control circuit

An illuminance sensor is formed as a current output type sensor that outputs a current which increases or decreases in an analog manner corresponding to an increasing or decreasing change of the illuminance. A light-emitting device is connected with a detection resistor that detects a current flowing through a light-emitting device. A driving control circuit has a light-emitting device driver that outputs to the light-emitting device a voltage for holding a voltage, which is obtained when a current flowing through the light-emitting device and a current detected by the illuminance sensor flows through the detection resistor, in a predetermined value all the time. The light-emitting device emits a large amount of light in a dark place and emits a small amount of light in a bright place.
Owner:ALPS ALPINE CO LTD

Process for comprehensively utilizing waste tin-stripping solution

InactiveCN102703905AAchieve reuseSolve the problem of total nitrogen emission standardsWater contaminantsWaste water treatment from metallurgical processAlloyCupric nitrate
The invention relates to a process for comprehensively utilizing a waste tin-stripping solution. According to the process, the waste tin-stripping solution and electronic copper tin alloy solid wastes are used as process raw materials; a two-section leaching step, a parallel flow triple-effect evaporation, concentration and crystallization step, and a step for preparing acid by absorption of tail gas are combined; synchronous treatment is performed; all components in raw materials react with each other; copper and tin are efficiently leached out and separated; after being absorbed by water, the tail gas can be used for preparing acid; the absorption rate can be more than 95 percent; and primary SnO2, industrial cupric nitrate crystals and nitric acid products are obtained finally. The wastewater produced in the whole process and the discharge of the tail gas can meet the national requirement of environment friendliness, the environment is effectively protected from being polluted, and the treatment cost of the wastewater can be reduced greatly.
Owner:方亚飞

Large-doping-amount fly ash cement and preparation method thereof

The invention relates to a large-doping-amount fly ash cement, including fly ash, red mud, lime, cement clinker, plaster and additive. The invention further provides a preparation method of the large-doping-amount fly ash cement, including the steps of: drying and grinding the fly ash; drying the red mud and mixing and grinding the dried red mud with clinker; pulverizing the lime and the plaster; preparing the additive into solution; mixing the fly ash, red mud, lime, clinker, plaster and additive evenly; and then grinding to obtain the large-doping-amount fly ash cement. The invention not only solves the problem of large emission of fly ash and discharge of red mud, but also can provide a fly ash cement with large fly ash proportion, simple production process, low cost, high strength, good stability and less clinker.
Owner:准格尔旗粉煤灰煤矸石研发中心

Vehicle headlamp

A vehicle headlamp has semiconductor-type light sources and lenses. Emission surfaces of the lenses are made of free curved faces controlled to be curved so that: projection images of light emitting chips of the semiconductor-type light sources, which is emitted from the emission surfaces, are not convexly curved in an upward direction from cutoff lines on a screen light distribution of a light distribution pattern for low beam. As a result, the vehicle headlamp can achieve downsizing, weight reduction, and cost reduction. In addition, the precision of assembling an optical element can be improved.
Owner:ICHIKOH IND LTD

Vehicle headlamp

A vehicle headlamp has semiconductor-type light sources and lenses. Emission surfaces of the lenses are made of free curved faces controlled to be curved so that: projection images of light emitting chips of the semiconductor-type light sources, which is emitted from the emission surfaces, are not convexly curved in an upward direction from cutoff lines on a screen light distribution of a light distribution pattern for low beam. As a result, the vehicle headlamp can achieve downsizing, weight reduction, and cost reduction. In addition, the precision of assembling an optical element can be improved.
Owner:ICHIKOH IND LTD

Determination of a pulse sequence for a magnetic resonance system

In a method and a pulse sequence determination device to determine a pulse sequence for a magnetic resonance system, control protocol parameter values are initially acquired. A determination of k-space trajectory node points within k-space then takes place in a processor on the basis of the control protocol parameter values. The determination of the pulse sequence then takes place on the basis of the k-space trajectory node points. A method for operating a magnetic resonance system uses such a pulse sequence, and a magnetic resonance system embodies such a pulse sequence determination device.
Owner:SIEMENS HEALTHCARE GMBH

Process for reusing tail water in papermaking and pulping

The invention relates to a process for reusing tail water in papermaking and pulping. The technology comprises the following specific steps of: (1) feeding wastewater into an equalization basin for premixing; (2) transferring the premixed wastewater into an air flotation system, and reducing COD (Chemical Oxygen Demand) and SS (Suspended Solids); (3) transferring the water treated by the air flotation system into an ozone system, and removing partial COD; (4) adjusting pH (Potential of Hydrogen) of the water treated by the ozone system, transferring partial water into an ultrafiltration system for pre-treating; transferring the other part of water into an electro-adsorption system, and directly feeding the water generated by the electro-adsorption system into an allocation system; (5) transferring the water subjected to ultrafiltration treatment into a reverse osmosis system; (6) transferring the fresh water subjected to reverse osmosis treatment into the allocation system for reusing, and transferring the concentrated water subjected to reverse osmosis treatment into an electroosmosis system for concentrating; and (7) feeding the fresh water subjected to electroosmosis into the allocation system for reusing, and feeding the concentrated water subjected to electroosmosis into an evaporating system for treating. The technology for reusing the tail water in papermaking and pulping realizes the recovery of water resources in the papermaking and pulping industry, and the treated water can be allocated according to the demand on water use of an enterprise, thus meeting the water supply under different requirements for water quality.
Owner:NANJING UNIV OF TECH +1

Method for adjusting an internal combustion engine with exhaust gas recirculation and device for carrying out said method

The invention relates to a method for adjusting a device (1) which essentially consists of a Lambda-1 internal combustion engine (2), a fuel induction line (3), a supplemental unit (9) arranged in the induction line (3) for compressing an air-fuel mixture required for combustion, a catalytic converter (12) arranged in the exhaust gas flow, and an exhaust gas recirculation line (15) which is disposed downstream from the catalytic converter (12), leading into the fuel induction line (3) and which is used to supply cooled exhaust gas to the air-fuel mixture. The inventive method is especially characterized in that the amount of exhaust gas which is to be supplied to the air-fuel mixture per time unit is adjusted according to the combustion chamber temperature measured in the combustion chamber of the internal combustion engine (2) in conjunction with the lambda adjustment. Preferably, said combustion chamber temperature and the amount of exhaust gas to be supplied to the air-fuel mixture per unit of time are measured and adjusted continuously. Especially when the so-called problem gases are used, the useful life of this probe becomes substantially shortened and this, in its turn, leads to high maintenance costs.
Owner:MENAG HLDG

Semiconductor device manufacturing method and semiconductor device

A formation method of an element isolation film according to which a high-voltage transistor with an excellent characteristic can be formed is provided. On a substrate, a gate oxide film is previously formed. A CMP stopper film is formed thereon, and thereafter, a gate oxide film and a CMP stopper film are etched. The semiconductor substrate is etched to form a trench. Further, before the trench is filled with a field insulating film, an liner insulating film is formed at a trench interior wall, and a concave portion at the side surface of the gate oxide film under the CMP stopper film is filled with the liner insulating film. In this manner, formation of void in the element isolation film laterally positioned with respect to the gate oxide film can be prevented.
Owner:SHARP KK

Light control circuit

An illuminance sensor is formed as a current output type sensor that outputs a current which increases or decreases in an analog manner corresponding to an increasing or decreasing change of the illuminance. A light-emitting device is connected with a detection resistor that detects a current flowing through a light-emitting device. A driving control circuit has a light-emitting device driver that outputs to the light-emitting device a voltage for holding a voltage, which is obtained when a current flowing through the light-emitting device and a current detected by the illuminance sensor flows through the detection resistor, in a predetermined value all the time. The light-emitting device emits a large amount of light in a dark place and emits a small amount of light in a bright place.
Owner:ALPS ALPINE CO LTD

Auxiliary power system for an airplane and an airplane with such an auxiliary power system

An auxiliary power system for an airplane includes at least one fuel cell unit each with at least one fuel cell, a voltage output, a fuel intake and an outlet for reaction products, a fuel tank that is couplable with the fuel intake of the fuel cell unit, at least one compressor unit with an air intake and air outlet and an electric motor, which is couplable with a voltage output of the at least one fuel cell unit and, by way of a shaft, with the at least one compressor unit. At least the at least one fuel cell unit, the compressor unit and the electric motor are interconnected to yield a coherent unit, which continuously provides electrical power and pressurized air.
Owner:AIRBUS OPERATIONS GMBH

LED bulb emitting light ray in a downward direction and manufacturing method thereof

The present invention relates to a LED bulb emitting light ray in a downward direction and a manufacturing method thereof. The LED bulb emitting light ray in a downward direction comprises a screw head, a base, a lamp body, and a lampshade integrally connected in order, wherein a PCB board longitudinally arranged within the base is fixedly connected with a PCB board transversely arranged on the top of the lamp body and fastened via a base buckle to the bottom of the LED aluminum substrate component longitudinally fixed on the lamp body by fastening a hook buckle to a buckle hole of the base, the top of the LED aluminum substrate component is fixedly connected with the PCB board on the top of the lamp body, the PCB board on the top of the lamp body is connected with the lamp body by fastening element.
Owner:DONGGUAN LIGUO LIGHTING

Water-based color-changing coating and coated product thereof

The invention relates to a water-based color-changing coating and a film product thereof in the technical field of water-based coatings. The water-based color-changing coating comprises main body resin, a water-based photochromic agent, a water-based thermochromic agent and a reactive emulsifier, wherein the water-based photochromic agent and the water-based thermochromic agent contain an outer coating material, the outer coating material is a polystyrene high-molecular polymer or an acrylate high-molecular polymer, and the outer coating material and the reactive emulsifier have matched HLB values. According to the invention, an oily color-changing agent is protected by adopting the outer coating material such as the polystyrene high-molecular polymer or the acrylate high-molecular polymer, thus the oily color-changing agent can be stably dispersed in a water-based system coating, the stability of the color-changing capacity of the coating is guaranteed, thermochromic and photochromiceffects are achieved at the same time, and the requirements of impression and other sensing functions can be met.
Owner:ZHANGJIAGANG KANGDE XIN OPTRONICS MATERIAL

Cooling chamber and system of a cooling chamber with a microtome

A cooling chamber 10 for a microtome 1 is disclosed. A knife 2 having a cutting edge 16 is arranged in the cooling chamber 10 opposite a sample holder 4 having a sample 4a retained therein. The microtome 1 further possesses a stereomicroscope 12 having an optical system 14, the optical system 14 defining an optical axis 11. The region of the sample 4a and of the cutting edge 16 of the knife 2 is observable with the stereomicroscope 12. There is mounted in the cooling chamber 10 an illumination system 20 that emits light 20a and is directed onto a surface 2a of the knife 2 in such a way that the light 20a reflects from the surface 2a parallel to the optical axis 11.
Owner:LEICA MICROSYSTEMS GMBH

Lighting circuit for light emitting element and illumination apparatus including same

A light-emitting-element lighting circuit for dimming a light emitting element having a diode characteristic by a PWM dimming signal is provided. The lighting circuit includes a dimming signal conversion unit configured to generate the PWM dimming signal having a duty ratio corresponding to an emission level specified by an input dimming signal. The lighting circuit further includes a minimum current generating circuit configured to flow a minimum current during an OFF period of the PWM dimming signal generated by the dimming signal conversion unit such that a voltage greater than a threshold voltage designed to allow the light emitting element to emit a light is applied to the light emitting element, and the light emitting element emits a light of a brightness equal to or less than a lowest emission level specified by the dimming signal.
Owner:PANASONIC CORP

Cooling chamber and system of a cooling chamber with a microtome

A cooling chamber 10 for a microtome 1 is disclosed. A knife 2 having a cutting edge 16 is arranged in the cooling chamber 10 opposite a sample holder 4 having a sample 4a retained therein. The microtome 1 further possesses a stereomicroscope 12 having an optical system 14, the optical system 14 defining an optical axis 11. The region of the sample 4a and of the cutting edge 16 of the knife 2 is observable with the stereomicroscope 12. There is mounted in the cooling chamber 10 an illumination system 20 that emits light 20a and is directed onto a surface 2a of the knife 2 in such a way that the light 20a reflects from the surface 2a parallel to the optical axis 11.
Owner:LEICA MICROSYSTEMS GMBH

Two-phase anaerobic fermentation method for biogas production

InactiveCN103820502AMaterial gas production increasedShorten the hydrolysis acid production cycleWaste based fuelFermentationBiogasSingle phase
The invention discloses a two-phase anaerobic fermentation method for biogas production, which adopts straw and kitchen waste as raw materials. According to the method provided by the invention, the straw and the kitchen waste are mixed in a proper ratio, and inhibition generated by single material is removed, so that two-phase common fermentation is prompted; by arranging a filler in gas-phase production and adjusting the hydraulic retention time in the gas-phase production, the gas yield is greatly increased, and the phase separation effect is greatly improved. The method solves the problems about floating sludge, encrusting and large biogas liquid discharge capacity of a single-phase anaerobic fermentation reactor, greatly improves the hydrolytic acidification efficiency and gas production efficiency of the materials, is particularly suitable for the present situations of wide rural area and dispersed straw production areas, and has a good application prospect.
Owner:SOUTHEAST UNIV

Semiconductor laser element and semiconductor laser element array

The present invention relates to a semiconductor laser element and the like which can efficiently emit laser beams at a small emission angle using a simpler configuration. The semiconductor laser element has a structure where an n-type cladding layer, active layer and p-type cladding layer are sequentially laminated. The p-type cladding layer has a ridge portion for forming a refractive index type waveguide in the active layer. The ridge portion, at least the portion excluding the edges, extends in a direction crossing each normal line of both end faces of the refractive index type waveguide, which corresponds to the light emitting face and light reflecting face respectively, at an angle θ, which is equal to or less than the complementary angle θc of the total reflection critical angle on the side face of the refractive index type waveguide. The optical paths of light components which resonate in the refractive index type waveguide formed by the ridge portion having the above form are limited to optical paths where the lights are totally reflected on the side face of the refractive index type waveguide. In other words, the laser beams emitted from the light emitting end have a spatial horizontal single mode, and the waveguide width can be increased to further decrease the emission angle of the laser beams.
Owner:HAMAMATSU PHOTONICS KK

Determination of a pulse sequence for a magnetic resonance system

In a method and a pulse sequence determination device to determine a pulse sequence for a magnetic resonance system, control protocol parameter values are initially acquired. A determination of k-space trajectory node points within k-space then takes place in a processor on the basis of the control protocol parameter values. The determination of the pulse sequence then takes place on the basis of the k-space trajectory node points. A method for operating a magnetic resonance system uses such a pulse sequence, and a magnetic resonance system embodies such a pulse sequence determination device.
Owner:SIEMENS HEALTHCARE GMBH

Alcohol type fermentation wastewater purification treatment and circulation method

The invention relates to an alcohol type fermentation wastewater purification treatment and circulation method which comprises the following steps: removing solid impurities in alcohol type fermentation wastewater by using a centrifuge; further adjusting the pH value of the alcohol type fermentation wastewater after decontamination to 4.5-8.5 by using quick lime, leaving to stand and settle down,filtering, and carrying out solid-liquid separation; carrying out purification treatment on the settled alcohol type fermentation wastewater by using organic modified attapulgite clay which accounts for 1.0-5.0% of the mass of the alcohol type fermentation wastewater, adsorbing for 0.5-4.0 hours in a shaking bed at a normal temperature at normal pressure, and carrying out solid-liquid separation after adsorption is completed; feeding back the alcohol type fermentation wastewater after adsorption to a fermentation process, thereby achieving circulation. By adopting the method, the content of acid fermentation inhibitors is greatly reduced, the fermentation wastewater can be recycled for further fermentation, emission of wastewater in an alcohol production process can be avoided, meanwhile,activated carbon or a resin which is high in price is not used, and the organic modified attapulgite clay which is low in price is used instead, so that the alcohol type fermentation wastewater treatment cost can be lowered, and a novel method is provided for purification treatment and circulation of the alcohol type fermentation wastewater.
Owner:盱眙凹土能源环保材料研发中心

Moisture-curable polyurethane hot-melt adhesive and production method therefor

Provided is a moisture-curable polyurethane hot-melt adhesive (PUR) that, when heated, produces less hazardous isocyanate gas, and is safe and easy for a user to handle.This moisture-curable polyurethane hot-melt adhesive comprises 100 parts by weight of a urethane pre-polymer which is a product obtained from a reaction between an excessive amount of diphenylmethane diisocyanate and a mixture of a crystalline polyester polyol and a non-crystalline polyester polyol and / or a non-crystalline polyether polyol, and 5-20 parts by weight of a surface-modified silica gel containing an amino group. Preferable as the surface-modified silica gel is a silica gel to which a residual group of a silane oligomer, which is a hydrolytic product of aminoalkyl(di or tri)alkoxysilane, is linked.
Owner:HORIZON

Honeycomb fired body, honeycomb filter, and method for producing honeycomb fired body

Provided is a honeycomb fired body in which the pressure loss in the initial state where PM has not accumulated is sufficiently low, the strength is sufficiently high, and the heat capacity is not small. The honeycomb fired body of the present invention is a honeycomb fired body including a plurality of cells in each of which one end is plugged and which serve as channels of exhaust gas, and porous cell partition walls that define the cells, wherein the honeycomb fired body is formed of SiC, the plurality of cells include peripheral cells located at an outermost peripheral region of the honeycomb fired body and inner cells located more inward than the peripheral cells, all the inner cells have the same cross-sectional shape that is a rectangle in a plane perpendicular to the longitudinal direction thereof, each peripheral cell is defined by the cell partition walls and an outer wall forming a periphery of the honeycomb fired body, the cell partition walls in contact with the outer wall each have a thick wall region where the wall thickness gradually increases toward the outer wall, the cross-sectional shape of the peripheral cells in a plane perpendicular to the longitudinal direction thereof is a shape formed by reducing the rectangular cross-sectional shape of the inner cells to obtain a reduced rectangle and chamfering or rounding two corners of the reduced rectangle, the cross-sectional area of each peripheral cell in a plane perpendicular to the longitudinal direction thereof is 60 to 80% of the cross-sectional area of each inner cell in a plane perpendicular to the longitudinal direction thereof, the cell partition walls include inter-peripheral-cell cell partition walls each located between the peripheral cells and inter-inner-cell cell partition walls each located between the inner cells, and the minimum thickness of the inter-peripheral-cell cell partition walls is greater than the thickness of the inter-inner-cell cell partition walls.
Owner:IBIDEN CO LTD
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