1020results about How to "Heat stable" patented technology

In a read/write device for writing and reading a storage medium by way of a heat assisted magnetic recording/reproduction scheme, the read/write device including an elevated slider provided with a semiconductor laser, provided is a heat dissipation mechanism for dissipating heat generated in the elevated slider to an outside of a housing of the read/write device. Further, the storage medium has a second heatsink layer formed of an Al film having a thickness of 50 μm, a backing layer, a heat barrier layer, a first heatsink layer, a magnetic recording layer, and a protection film on a glass substrate. With this arrangement, in a read/write device which performs a heat assisted magnetic recording and reproduction by a semiconductor laser provided on the elevated slider, the occurrence of malfunction due to temperature rises in the storage medium is prevented.

Gas separation membranes and methods for preparing such membranes. The gas separation membranes of the instant invention can separate oxygen and nitrogen in air to provide nitrogen enriched air (NEA), and are stable during exposure to temperatures of at least about 160° C. The gas separation membranes of the instant invention may be formed from polyetherimide by extruding a hollow fiber using a core liquid, quenching the extruded fiber in dry air to promote loss of solvent and non-solvent, and drying the fiber. Methods for separating bleed air fed directly from an aircraft precooler to a high temperature gas separation hollow fiber membrane, to provide NEA, are also disclosed.

The invention discloses high-manganese high-nitrogen low-nickel stainless steel plate blank continuous casting crystallizer covering slag which comprises the following components in percentage by weight: 54-57% of wollastonite, 9-13% of fluorite, 9-13% of sodium carbonate, 0-1% of lithium carbonate, 5-7% of glass dust, 8-12% of vanadine soil, 2.5-2.7% of soot carbon and 3-3.5% of graphite, and comprises the chemical components in percentage by weight: 31.9-34.9% of calcium oxide, 32.1-35.1% of silicon dioxide, 7.3-8.3% of aluminium oxide, 0.5-1.5% of magnesium oxide, 0.5-1.4% of iron sesquioxide, 4.4-6.4% of fluorion, 6.5-7.5% of sodium oxide, 0-0.39% of lithium oxide, 4.5-6.0% of fixed carbon and 4-7% of gas volatile matters. The alkalinity of the covering slag, namely the ratio of CaO to SiO2, is 0.91 to 1.00, the melting point of the covering slag is 1100 DEG C to 1160 DEG C, and the viscosity of the covering slag is 0.3 to 0.6 Pa.s at 1300 DEG C. The invention can solve the problems of easy crusting, slag entrainment, slag inclusion, slag sticking on casting blank surfaces, bubbles under skins, cracks, deep chatter mark, felting, bleed-out, and the like of the covering slag in the crystallizer during high-manganese high-nitrogen low-nickel stainless steel plate blank continuous casting, and has the advantages of uniform and stable slagging in the crystallizer, good casting blank quality, difficult felting and bleed-out, and the like.

Disclosed is an ink composition suitable for ink jet printing comprising a luminescent compound, a solvent, and an energy active compound, and optionally a non-luminescent colorant. The energy active compound, when exposed to energy, generates one or more active species that can react with the luminescent compound to alter one or more of the characteristics of the luminescent compound. The luminescent compound can be colored or colorless. Also disclosed is a method for marking substrates comprising providing a mark comprising a luminescent compound and an energy active compound. Further disclosed is a jet ink composition suitable for printing on substrates authentication or security marks which can be rendered unreadable. The luminescence of the mark is quenched and the visible color is changed when irradiated with a light.

To provide a toner, containing: a crystalline polyester resin; and a non-crystalline polyester resin, wherein the crystalline polyester resin has a melting point of 60° C. to 80° C., and wherein the toner satisfies the relationship represented by the following formula: (W1−W1′)/W1<0.50, where W1 is a temperature width at a 1/3 height of a height of an endothermic peak of the crystalline polyester resin at the time of an initial temperature elevation on a DSC curve of the toner as measured by differential scanning calorimetry, and W1′ is a temperature width at a 1/3 height of a height of an endothermic peak of the crystalline polyester resin after the toner has been heated at 50° C. for 24 hours.

The present invention provides glass fiber fabric reinforcements, cement boards, and glass fiber coatings for such reinforcements. The glass fiber fabric reinforcement includes a glass fabric containing multiple yarns containing glass filaments and a polymeric coating disposed onto the multiple yarns to form a coated glass fabric. The polymeric coating comprises a polyolefin based copolymer composition whereby the glass fabric has a Gurley Stiffness measurement of about 100-3000 mg and an ASTM D 638 (2% Secant) modulus of compression of about 1-100 MPa. The reinforcement is sufficiently drapable and lacking in shape memory so as to be curved around the edge of a cement board during the manufacture of same.

The invention relates to a resin composition which mainly comprises epoxy resin, a hardening accelerator, a cross-linking agent and phosphorus-containing resin, wherein the phosphorus-containing resin is bisphenol phenolic resin or phenolic resin substituted by a 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide or derivatives thereof. The resin composition can be applied to semi-solidified rubber sheets or insulating layers of circuit boards. In addition, the invention relates to a semi-solidified rubber sheet, a laminating board and a circuit board containing the resin composition.

The invention discloses a milk foam machine directly driven by a motor, comprising a cup cover, a cup body, an inner cup, a stirrer, a control panel, an electric heating tube, a motor and a power supply base. The milk foam machine adopts a sleeved structure that an upper piece and a lower piece of an electric connector are respectively arranged below the cup bottom and on the power supply base; and after the upper piece is sleeved with the lower piece, an external power supply in the power supply base is connected with a circuit below the cup to supply power for the electric heating tube and the motor. An aluminum sheet is compounded on the electric heating tube; the motor is arranged below the cup through a motor fixed piece; a driving shaft of the motor passes through the cup bottom from the eccentric position and extends into a container; a stirrer for stirring or foaming is sleeved at the shaft end; a sealing ring with more than two rings of flange rings is arranged between the driving shaft and a shaft hole; the flange ring of an inner ring is protruded into a high lug boss for sealing the shaft hole and the shaft; and the flange ring of an outer ring is used for sealing the surface space between the cup bottom and the fixed sheet. The invention has the advantages of favorable sealing performance, simple structure, favorable foaming effect and stable heating. The milk foam machine is applicable for heating or not heating and foaming or only heating liquid state milk.

The present invention provides a method for preparing a condensation compound of methylol naphthalene sulphonic acid formaldehyde. The method comprises the following steps that methylnaphthalene is adopted as the material, and is sulfonated with 104.5 percent of fuming sulfuric acid in advance; the sulfonated product is condensed with formaldehyde; and, finally the pH is adjusted to between 6 and 9 by liquid alkali, and thus the methylol naphthalene sulphonic acid formaldehyde condensation compound is obtained. The method does not need to add an azeotrope former, and does not need to add and distill of sulfonated bodies every time. The process is simplified, the manufacturing cost is saved, and the impurity content in the product is reduced. Additionally, the 104.5 percent of fuming acid is adopted to sulfonate. Not only the efficiency of methylnaphthalene sulfuration is improved, but also the total acidity of the condensation reaction process is reduced. The subsequent process completely adopts liquid alkali. No calcium sulfate calcium offscum is produced. Compared with the adoption of concentrated sulfuric acid, the quality of the product is equivalent in dispersancy, calcium and magnesium ions are not produced, and the product is stable in heat resistance.

The invention discloses a self-adaptive PID (proportion integration differentiation) temperature control method, which comprises the following steps of: step 1, collecting a temperature in real time; step 2, calculating a heating speed in real time; step 3, adjusting a PID parameter according to the real-time heating speed; step 4, carrying out PID arithmetic; and step 5, converting the result of the PID arithmetic into continuous control on a time quantum, and directly controlling the switching on and the switching off of the working current of a heater strip by using a bidirectional silicon controlled rectifier. The technical effects of the self-adaptive PID temperature control method lie in that the heating speed is calculated in a heating process; a control parameter is adjusted dynamically, so that the heating process is more stable; the algorithm is subjected to multiple tests on a plurality of different instruments at different ambient temperatures; results show that an appointed temperature can be stably achieved in a heating way; an overshoot phenomenon cannot appear in the heating process; and the precision meets a system requirement.

An imaging lens of which optical performance does not deteriorate even in a high temperature environment, various aberrations are well corrected, optical length is short, and back focus is sufficiently secured, comprising an aperture stop S and a junction type compound lens 14 having a positive refractive power, wherein the aperture stop and the junction type compound lens are arranged in this sequence from an object side to an image side. The junction type compound lens comprises a first lens L₁, a second lens L₂ and a third lens L₃ arranged in this sequence from the object side to the image side. The first lens and the third lens are formed of a curable resin material, and the second lens is formed of an optical glass. The first lens and the second lens are directly bonded, and the second lens and the third lens are directly bonded. The object side face of the first lens and the image side face of the third lens are aspherical.

The present invention provides new applications for surface acoustic waves. A heating apparatus with a surface acoustic wave generator is disclosed. In one embodiment of the invention, a heating apparatus comprise a surface acoustic wave generator having a piezoelectric substrate and inter-digital transducers (IDT) formed on the piezoelectric substrate, and a thermal reaction part is formed at the part of the piezoelectric substrate.

A milk serum protein and calcium concentrate that is useful for fortifying acidic clear or opaque, carbonated or uncarbonated soft drinks without producing a cloudy appearance in clear drinks and with minimal effect upon the flavor of the beverage. Addition of liquid or melted fat or oil to drinks so fortified produces a beverage with a milk-like appearance.

The invention relates to a thermodynamic system for improving heat supply unit electric output adjusting capacity. The thermodynamic system is characterized in that main steam or reheating section steam is subject to temperature and pressure reduction to directly serve as heat source steam for industrial heat users; an absorption heat pump 23 of a first-stage heat exchange device serves as a heatsource of a first-stage heat exchange station 25 in the heating period to supply heat to heat users 29 and supplies cold to the users in the non-heat supply period; a high-pressure electric boiler 24of a second-stage heat exchange device improves the boiler water feeding temperature, reduces heat absorbed by boiler fed water in an economizer 4, accordingly improves the boiler tail smoke discharging temperature, and guarantees normal running of an SCR denitration device 5; and according to a three-stage heat exchange device, exhaust steam of a turbine intermediate pressure cylinder 8 serves asheat source steam of a third-stage heat exchange station 27, the unit heat load is guaranteed, and the heat using requirement of the heat users 29 is met. The electric output adjusting capacity of the heat supply unit can be improved, it is guaranteed that the unit heat supply capacity is not decreased under the low load running working conditions, pyroelectric decoupling is achieved, and the electric output adjusting capacity of the heat supply unit is improved.

A radio-frequency heating apparatus includes a phase varying unit to vary the phase of radio-frequency power; and a plurality of antennas which are placed on the same plane in a heating chamber and radiate a plurality of radio-frequency waves. The radio-frequency waves have a predetermined phase difference caused by phase variation in the phase varying unit. A geometry information acquisition unit acquires the geometry of an object; and a control unit controls the phase varying unit so that the radio-frequency waves are in phase in a first mode, and the radio-frequency waves are in opposite phase in a second mode. The control unit switches between the first mode and the second mode based on the acquired geometry information.

The invention provides an analytical device insusceptible to inactivation or other influences even when exposed to a thermal load or organic compounds contained in an adhesive in the process for manufacturing the same and, more over, allowing an immunological substance or the like to be readily immobilized at a site in the microchannel passage therein.

The analytical kit is a combination of the analytical device and a reagent or reagents. The analytical device used in the analytical kit comprises a passage 2, 1 μm-5mm width and 1 μm-750 μm depth in cross-section formed therein and belongs to the category of the so-called microfluidic systems suited for analyzing very small amounts of liquid samples; thus, it is suited for analyzing biological substances. The analytical device 1 to be used in the analytical kit is prepared by forming a groove not wider than 5 mm on a first member 5 and/or second member 6, immobilizing a nucleic acid(s) at a part (capturing zone 7) of a place to become the channel 2 after joining the two members together and joining the two members together. The reagent(s) is (are) used after joining of the two members of the analytical device 1 and therefore will not be influenced by the fusion or adhesive.

The invention discloses a solvent-resistant acrylic emulsion, belonging to the field of acrylic emulsions. The solvent-resistant acrylic emulsion comprises 180-260 parts of water, 50-60 parts of styrene, 40-50 parts of butyl acrylate, 0.5-5 parts of acrylic acid, 1-5 parts of an anionic emulsifier, 1-5 parts of a functional monomer, 0.2-1 part of an initiator, 0.1-0.5 part of an oxidant and 0.1-0.5 part of a reducing agent. The preparation method for the solvent-resistant acrylic emulsion comprises the following steps: 1) pre-emulsification; 2) polymerization; and 3) post-elimination. The solvent-resistant acrylic emulsion provided by the invention is improved in scrub resistance and solvent resistance while having the basic performance of good adhesion, hardness, water resistance, salt water resistance, salt spray resistance, scrub resistance and the like, so the application scope of the acrylic emulsion is broadened, the application properties of the coating are enhanced, the basic performance of the emulsion is substantively improved, and the cost performance of the emulsion is greatly improved.

Disclosed is a new type of magnetoresistive random-access memory (MRAM) device using a magnetic semiconductor, which is capable of achieving high-integration and energy saving in a simplified structure without any MOS transistor, based on a rectification effect derived from a p-i-n type low-resistance tunneling-magnetoresistance-effect (low-resistance TMR) diode with a structure having a p-type half-metallic ferromagnetic semiconductor, an n-type half-metallic ferromagnetic semiconductor and at least one atomic layer of nonmagnetic insulator interposed therebetween, or a rectification effect derived from a p-n type low-resistance tunneling-magnetoresistance-effect (low-resistance TMR) diode with a structure devoid of the interposed atomic layer of nonmagnetic insulator.

A fluidized-bed gasification furnace has a gasification chamber for fluidizing a fluidized medium therein and pyrolyzing a material in the fluidized medium to produce a pyrolysis gas and a pyrolysis residue. The fluidized-bed gasification furnace also has a combustion chamber having a combustion portion for fluidizing a fluidized medium therein and combusting the pyrolysis residue to heat the fluidized medium and a settling portion disposed adjacent to the combustion portion and the gasification chamber for settling the heated fluidized medium therein. The fluidized-bed gasification furnace includes a first passage for introducing the pyrolysis residue from the gasification chamber to the combustion chamber together with the fluidized medium, a second passage for introducing the heated fluidized medium in the combustion chamber from the settling portion of the combustion chamber to the gasification chamber, and a first diffusion device for supplying a fluidizing gas to a first region in the combustion portion adjacent to the settling portion of the combustion chamber to move the fluidized medium from the combustion portion to the settling portion. The fluidized-bed gasification furnace also includes a circulation controller operable to adjust a flow rate of the fluidizing gas supplied from the first diffusion device to control a circulation amount of the fluidized medium.

A process for preparing Cr2O3 by continuous thermodecomposition of chromic acid includes such steps as proportionally mixing chromic acid, coarse Cr2O3 as returning charge and additive chosen from boric acid (preferable), ammonium chloride, starch and saw dust; after uniformly mixing under a computer control, parallel-flow combustion of the said mixture and liquefied gas as fuel in an insulated rotary furnace, thermodecomposition reaction to generate Cr2O3, keeping the temp. for a certain time, cooling and pulverizing to obtain the product. The unpulverized material is used as the said returning charge.

The invention relates to an automatic fusing machine for EPE pearl wool. The automatic fusing machine for the EPE pearl wool comprises a cabinet, a material conveying device, a material taking device and a heating and ironing device, wherein the material conveying device is horizontally arranged on a material discharging station of the cabinet, and a material conveying plate of the material conveying device can horizontally move to a processing station of the cabinet; the heating and ironing device is horizontally arranged on the cabinet, and a heating and ironing plate of the heating and ironing device can horizontally move to the processing station of the cabinet and is positioned over the material conveying plate moved to the processing station; the material taking device is perpendicular to the cabinet, and a material taking plate of the material taking device is arranged right above the processing station and can perpendicularly move up and down to the material conveying plate and the heating and ironing plate on the processing station; material taking needles are arranged on the bottom surface of the material taking plate at intervals. Therefore, fusing of an upper material and a bottom material of a pearl wool sheet can be automatically finished; the automatic fusing machine is suitable for fusing large-area pearl wool sheets, and the material taking needles can be used for guaranteeing stable taking and loading of the pearl wool sheet; the moving and conveying precision is high, the fusing speed is high, heating is uniform, and the fusing effect is good.