1436results about How to "Fast flow" patented technology

Ultraporous sol gel monoliths and methods for preparing the same are provided, having superior flow characteristics for chromatography and analytical chemistry applications. The methods for forming an ultra porous sol-gel monolith include (a) forming a solution comprising a porogen, a matrix dissolving catalyst and a sol gel precursor; (b) allowing the solution to form a gel; and (c) drying the gel at an elevated temperature. The ultraporous sol gel monoliths are characterized by a porosity of up to about 97%, a BET surface area of at least about 50 m2 / g and substantially no micropores.

A microfluidic device comprising a multi-layer film having a conductive layer and a polymeric layer disposed adjacent the conductive layer, a microchannel extending through the multi-layer film, where the microchannel has a perimeter surface, and a hydrophilic layer disposed on the perimeter surface of the microchannel. The hydrophilic layer comprises at least about 20% by weight silicon and at least about 40% by weight oxygen.

A portable apparatus for thermal cycling a material to be thermal cycled includes a portable microfluidic-compatible platform, a microfluidic heat exchanger carried by the portable microfluidic-compatible platform; a porous medium in the microfluidic heat exchanger; a microfluidic thermal cycling chamber containing the material to be thermal cycled, the microfluidic thermal cycling chamber operatively connected to the microfluidic heat exchanger; a working fluid at first temperature, a first system for transmitting the working fluid at first temperature to the microfluidic heat exchanger; a working fluid at a second temperature, a second system for transmitting the working fluid at second temperature to the microfluidic heat exchanger; a pump for flowing the working fluid at the first temperature from the first system to the microfluidic heat exchanger and through the porous medium; and flowing the working fluid at the second temperature from the second system to the heat exchanger and through the porous medium.

The invention discloses a double-solidification system fast-flowing underfill and a preparation method thereof. The underfill comprises the following raw materials in parts by weight: 30-80% of epoxy resin, 10-50% of epoxy acrylate, 5-30% of acrylate, 2-20% of polyol, 1-20% of silane coupling agent, 0.3-4% of cationic initiator, 0.1-3% of radical initiator and 0.1-0.5% of carbon black; and the preparation method comprises the following steps of: weighing the epoxy resin and the cationic initiator in the proportion, putting in a reaction kettle and stirring into a uniform solution; weighing the epoxy acrylate, the acrylate, the polyol, the silane coupling agent, the radical initiator and the carbon black in the proportion, putting in the reaction kettle in sequence, mixing and stirring to obtain the finished product of the double-solidification system fast-flowing underfill.

The invention relates to coalbed gas mining technology, in particular to a method for extracting coalbed gases from coal mines by upper and lower combination. The method solves the problem of poor gas drainage effects through surface well drilling and hole drilling in the coalbed. The method comprises the following steps: constructing extraction drilled wells on the surface, constructing underground directional long drilled holes in the coalbed, crosslinking the fracture areas of the extraction drilled wells with the drainage areas of the underground directional long drilled holes, then effectively sealing the underground directional long drilled holes in the coalbed, then utilizing fracturing equipment on the surface to fracture the drainage areas drilled on the surface and the drainage areas of the long drilled holes in the coalbed via the extraction drilled wells and finally carrying out extraction. The method has the advantages of improving the extraction rate and efficiency of the coalbed gases and shortening the construction period of the coalbed gas extraction engineering.

An axial-flow fan according to the present disclosure can increase the amount of the airflow and simultaneously reduce the noise level. A plurality of stationary blades 11A to 11D are curved, in a convex manner, toward a rotating direction of an impeller. The plurality of stationary blades 11A to 11D are generally inclined so that discharge-side edge portions 11d thereof are located more forward than suction-side edge portions 11c thereof in the rotating direction. An inclination angle θ4 of each of the plurality of stationary blades 11A to 11D in the vicinity of the external end portion 11a is larger than the inclination angle θ3 in the vicinity of the internal end portion 11b. The inclination angle is gradually changed from the vicinity of the external end portion 11a toward the vicinity of the internal end portion 11b.

The present invention relates to a ventilator of fuel-cell vehicles for ventilating hydrogen in the hydrogen-system unit area arranging a hydrogen circulating device in the fuel-cell vehicles boarding the fuel cell. The ventilator of fuel-cell vehicle includes a first ventilating device for taking ventilating air in from a front side of the fuel-cell vehicle to hydrogen-system unit area arranging the fuel cell, the hydrogen supply device, and the hydrogen exhaust device in the center of front and rear direction of the fuel-cell vehicle; and a second ventilating device for sucking the ventilating air taken in from the rear end of vehicle body of the fuel-cell vehicle to the hydrogen-system unit area.

The invention relates to the field of polymer microsphere preparation, in particular to a hydrophilic super-macroporous polymer microsphere and a preparation method thereof. The microsphere is prepared by using self-made amphiphilic block macromonomer as a surfactant through a suspension polymerization process; since hydrophilic chain segments are spontaneously arranged on the outer surface, facing a water channel, of the microsphere in a water-absorbing swelling process, hydrophobic chain segments participate in polymerization reaction through double bonds to be combined to the interior of a microsphere framework, so that the preparation and surface hydrophilic modification of the super-macroporous polymer microsphere are realized by one step. The hydrophilic super-macroporous polymer microsphere prepared by the preparation method disclosed by the invention adopts crosslinked polystyrene as the microsphere framework, is high in mechanical strength, good in chemical stability, good in hydrophilicity and super-macroporous, the outer surface of the hydrophilic super-macroporous polymer microsphere is sugar-containing polymer or polyvinyl alcohol gel. The hydrophilic super-macroporous polymer microsphere has a wide application space in the fields of enzyme immobilization and rapid separation and purification of protein.

The invention provides a powerless type air heat recollection device which is characterized in that the device at leased includes a fresh air channel used for bringing in fresh air and an air exhaustion channel to exhaust the indoor air, wherein, the two ends of the fresh air channel are respectively provided with an air inlet A communicated with the outside and an air outlet B communicated with the inside. The two ends of the air exhaustion channel are respectively provided with an air outlet A1 communicated with the outside and an air inlet B1 communicated with the inside; at least either of the air inlet A or air outlet A1 is provided with an air cap which includes a wind wheel and shaft, which are driven by the external wind power, and a fan which is driven by the shaft and can form a fixed air intake or exhaustion flow in the fresh air channel or the air exhaustion channel under the drive of the wind cap; the device also at least includes a heat exchanger which runs through the fresh air channel and the air exhaustion channel.

The invention discloses a sterilization and disinfection device for surgical instruments for clinical operations. The sterilization and disinfection device comprises a sterilization and disinfection tank, a sterilization and disinfection cavity, a device cavity, a cleaning tank, a driving motor, a rotating wheel, a wedge-shaped block A, a wedge-shaped block B, an accommodating tank and an ultraviolet sterilization lamp, wherein the sterilization and disinfection tank is arranged on the base; an output shaft of the driving motor is fixedly connected with the rotating wheel frontwards, the wedge-shaped block A is arranged on the rotating wheel, and the wedge-shaped block B is further welded to the outer side of a push block located on the right side; and the heating device and a suction ventilator are arranged on the fixed plate located on the upper side. According to the sterilization and disinfection device, the functions of cleaning, disinfection, sterilization and drying can be simultaneously realized; and compared with a single-direction rotation manner, a clockwise and anticlockwise alternate rotation manner of the cleaning slot has the advantages that the flow speed of disinfection liquid is relatively high, and meanwhile, the rotation direction of the disinfection liquid in the accommodating tank can be changed, so that the relatively good disinfection effect can be achieved.

The invention relates to a kind of efficient reactor with paddle bed, which belongs to the chemical machinery field. It is composed mainly with the solid and liquid separator, the inner tube that the track is changeable, the reactor cover, the heat exchanger with an internal component, the riser with the spray nozzle, the inner-tube tank that has the heating and gas distribution function, the spray nozzle for protecting from choking, the mounting plate of the spray nozzle, the heat exchanger, the outlet of the heating coil, the quadratic distribution plate, the heating coil and so on. The beneficial effictiveness of the invention can be described as follows: the reactor and the distributor can't block up easily; the gas and the liquid can be mixed evenly; the reactive efficiency is high; the carrying amount of the catalyst and the solvent is so bit that it can not occur the bias current, channeling and dead bed; the size running quickly, and the viscosity of the size in the reactor is identical generally; the reactor can be shifted out in time, and especially in the stage of the catalytic, reducing and intensifying, it can realize to operate the reactor steadily; otherwise, the distribution of the virgin gas in the reactor along the axle is in agreement on the concentration of the catalyst, so that can make the catalyst have the most activity, and then it can be make the full use of the reactor space.

A valve unit 36 is placed in an ink flow passage 35 between an ink cartridge 8 and a recording head 7 and can be controlled in association with the cleaning operation of the recording head 7. Under the control of a drive controller, the valve unit 36 holds for a predetermined time a state in which negative pressure produced by a suction pump is accumulated, and is opened after the expiration of the predetermined time or is opened with the negative pressure accumulated and driving the suction pump is continued. The air bubbles remaining in a stuck state in the ink flow passage can be peeled from the ink flow passage together with an instantaneous fast ink flow produced as the valve unit 36 is opened, and the peeled air bubbles can be discharged, effectively from the ink flow passage following the subsequent ink flow.

A valve unit 36 is placed in an ink flow passage 35 between an ink cartridge 8 and a recording head 7 and can be controlled in association with the cleaning operation of the recording head 7. Under the control of a drive controller, the valve unit 36 holds for a predetermined time a state in which negative pressure produced by a suction pump is accumulated, and is opened after the expiration of the predetermined time or is opened with the negative pressure accumulated and driving the suction pump is continued. The air bubbles remaining in a stuck state in the ink flow passage can be peeled from the ink flow passage together with an instantaneous fast ink flow produced as the valve unit 36 is opened, and the peeled air bubbles can be discharged effectively from the ink flow passage following the subsequent ink flow.

This invention is a ultrasonic humidifier. It includes water tank that is arranged on the base and has upper water filler opening. The water tank bottom is arranged with water discharging opening. The water discharging opening has moving compression strut. Water tank bottom and base top enclose water storage chamber, which is arranged with water level monitoring mechanism. The signal output end of water level monitoring mechanism electrically connects to main controller. The water storage chamber is also arranged with knockout pin mechanism, the superior end of which connects to the inferior end of compression strut. The inferior end of knockout pin connects to synchronous motor cam, stepping motor cam or electromagnetic switch that are all arranged in the base. The main controller electrically connects to the synchronous motor cam, stepping motor cam or electromagnetic switch. The superior end of knockout pin is covered in elastic sealing gland, which bottom connects to the top of the base. The inferior end of knockout pin has lower spring. The water tank has fog guiding pipe, the inferior end of which extends into the water storage chamber. Ultrasonic transducer is arranged below the fog guiding pipe. This invention is simple and low cost.

The invention discloses a low-temperature fast curing underfill adhesive, which is characterized by comprising the following raw materials by weight portion: 40 to 65 portions of resin, 0.5 portion of colorant, 20 to 25 portions of curing agent, 1 to 6 portions of accelerant, 0.1 to 3 portions of coupler and 15 to 25 portions of epoxy active diluents. The preparation method comprises the following steps: firstly, uniformly mixing the resin and color paste for 20 to 40 minutes at 20 to 30 DEG C; secondly, adding the curing agent and the accelerant by three times, uniformly mixing the materials with a three-roller at 20 to 30 DEG C under a condition of chilling drying with cooling water kept at 15 DEG C for 3 times, adding the uniformly mixed materials into a reaction kettle and completely vacuumizing the reaction kettle for 15 minutes; and finally, after the resin and the curing agent are mixed uniformly, adding the coupler and the epoxy active diluents, mixing the materials in the reaction kettle, and completely vacuumizing for 30 minutes to obtain the product. The product is low in curing temperature, high in curing speed and good in storage stability, simple, easy and environmentally-friendly in preparation process, low in cost and wide in application range.

A catheter has an entrance opening defined by the first end of a catheter body and non-smooth inner surface. The entrance opening intersects a longitudinal axis extending longitudinally through the center of a lumen adapted to drain urine from a bladder. The non-smooth inner surface can have dimples, channels, or grooves, all of which decrease frictional fluid forces against the inner surface as the urine drains. The catheter is free of any eyelets formed in the side wall of the catheter body. The catheter is further free from any hemispheric tip located at one end.

A method and system for trading electric power on a spot market and dynamically matches bids and asks and routes the electric power in accordance with the matches to effect the settled trades. A control node is arranged for receiving bids and asks via a wide area network. The control node is also connected to a transmission system and a central control of the transmission system to dynamically switch the transmission system to effect the matched bids and asks.

PCT No. PCT / DE98 / 00472 Sec. 371 Date Jan. 25, 1999 Sec. 102(e) Date Jan. 25, 1999 PCT Filed Feb. 18, 1998 PCT Pub. No. WO98 / 53195 PCT Pub. Date Nov. 26, 1998A fuel tank ventilation valve for a Laval nozzle, which has a sensitive regulation of the through flow quantity. The valve has a valve seat which is embodied on a valve seat body which has at least one opening that can be closed by the valve member. A cross section of the at least one opening is embodied as essentially smaller than an entry cross section of the Laval nozzle that is disposed spaced apart from the valve seat. The valve is suited for a metered introduction of fuel that has evaporated from a fuel tank of a mixture-compressing internal combustion engine with externally supplied ignition into an intake tube of the engine.

The present disclosure relates to systems and methods for controlling pressure during percutaneous and endoscopic surgeries, including percutaneous renal procedures, endoscopic uterine procedures, transurethral endoscopic procedures for the bladder or prostate, or any percutaneous or endoscopic procedure. The system can include a sheath and / or endoscope each having an inflow port providing access to an inflow channel extending from the inflow port to a distal portion of the sheath, and an outflow port providing access to an outflow channel extending from the outflow port to the distal portion of the sheath. The sheath can also include a pressure sensor configured to generate a pressure measurement, and an electronic processor configured to control fluid through at least one of the inflow port and the outflow port based on the pressure measurement.

The invention discloses a full-automatic descaling multi-effect evaporator, which comprises a heater and an evaporation chamber, wherein a granule distributor which can make fluid be distributed to tube nests of the heater uniformly is arranged at the bottom of the heater; and a granule separator is also arranged between the heater and the evaporation chamber. Due to the adoption of the technical scheme, the full-automatic descaling multi-effect evaporator has the advantages that a descaling process can be simplified, heat transfer is enhanced, and a heat transfer coefficient is increased, so that the evaporator can clean and remove scales online to realize continuous production. According to the optimized technical scheme, an intensifier ring is arranged in the granule separator, and a granule separation chamber and a granule storage chamber are also formed in the granule separator, so that liquid forms a vortex which rotates at high speed when passing through the cylindrical granule separation chamber under the action of centrifugal force formed by the intensifier ring to do circular rotary motion, so that granular solids are separated from the liquid quickly.

The invention relates to a two-stage oxygen supply dry slag removal pressurized gas flow bed gasification furnace, comprising a cylinder-shaped pressure-bearing case, a gasification chamber arranged in the cylinder-shaped pressure-bearing case, a synthesis gas cooling chamber, a mechanical slag crusher and a slag locking tank; wherein the gasification chamber and the synthesis gas cooling chamberare respectively arranged at the upper part and the lower part in the cylinder-shaped pressure-bearing case, the mechanical slag crusher is arranged below the bottom of the gasification furnace, and the slag locking tank is arranged below the mechanical slag crusher. The invention adopts two-stage oxygen supply temperature control technology and water vapour temperature control technology, and reasonable dry slag removal structure and necessary automatic control means are combined, solid slag removal of China 'double-high' coal large-scale pressurized gas flow bed gasification is realized, and the invention is especially applicable to 'double-high' coals with high ash content (25-27%) and high ash melting point (FT is more than 1400 DEG C), and handing capacity of single day can reach about 2000t / d.

Acoustical-based methods that increase tissue oxygenation, and equipment for carrying out the methods, are provided. The methods involve exposing tissue to low frequency sound in order to increase blood flow in the tissue, and hence oxygenation of the tissue. The methods may be used to treat or prevent disorders related to ischemia and low blood flow, such as shock, stroke and congestive heart failure.

Sizes or size distribution of aerosol particles of an aerosol gas stream is detected. A particle-free carrier flow is saturated in a saturator by a first condensing medium, after which, the carrier flow is mixed in a mixing section turbulently with aerosol particle flow. Advantageously, a plurality of separate mixtures with different saturation ratios are provided and introduced to the first condensing environment in order to condensate the condensing medium onto the aerosol particles. Depending on the saturation ratio, the particles with different lowest original size are activated and grown in a growing section and / or in the condensing environment. After activation and growing, the particles are detected by a detecting means.

A method and system for trading electric power on a spot market and dynamically matches bids and asks and routes the electric power in accordance with the matches to effect the settled trades. A control node is arranged for receiving bids and asks via a wide area network. The control node is also connected to a transmission system and a central control of the transmission system to dynamically switch the transmission system to effect the matched bids and asks.

The invention discloses a building flat plate shaped split typed wall-mounted vacuum solar energy superconductive heat collector, comprising a separating heat pipe formed by a flat plate collector with an automatic liquid separator, a circulating steam pipe, a circulating liquid pipe, a condenser and a heat accumulator. A plurality group of precise metering holes and capillaries are horizontally distributed between a liquid storage accumulator and a finned tube which are communicated with the circulating liquid pipe. The work condition of balanced film high temperature evaporation can be realized. The heat collector is characterized in that the heat collector has high temperature heat collection output, high efficiency and high energy heat transmission, long distance circulation without pump, low temperature and freeze proof, can be harmonized with buildings, is economical, has long service life and so on. The heat collector exploits the novel applied field of the solar energy with high temperature and separation structure, which can form devices of solar energy boiled water generator, radiant heater, air conditioner, additional water heater, etc. The heat collector is presented in a square and flat shape, which can be mounted and hung on the roof, the wall, the position above the window, the position below the window and the balcony of the buildings, is beautiful and harmonious. The heat collector is suitable for being used in high rise buildings with multiple floors, which is an ideal technology of solar energy for building integration.

The invention provides a liquid-cooling radiator of a lamp. The liquid-cooling radiator comprises a lamp shell having an opening, a light source, a water-cooling block, a heat exchanger, a water tank, a water pump, and a water pipe. The inside of the lamp shell is divided into a closed first chamber and a second chamber having an opening, by a partition. The light source is disposed in the second chamber and fitted to the partition. The water-cooling block is disposed in the first chamber and fitted to the partition. The heat exchanger and the water tank are both fitted to the inner wall of the first chamber. The water pump is mounted on the water tank. The water pipe penetrates the water-cooling block and the heat exchanger; two ends of the water pipe are connected to the water tank. The heat exchanger is provided with radiating fins provided with a fan. The partition and the lamp shell are integrated; the first chamber is provided with a rear cover; the heat exchanger is mounted on the rear cover. The liquid-cooling radiator is high in radiating efficiency and easy to demount. The invention further provides the lamp comprising a reflector, a light-permeable plate and the radiator; the lamp is high in radiating performance; a high-power light source can be used; excessively high heat is prevented from burning out the light source or the circuit board and electronic components in the lamp.

The invention discloses an air conditioner cabinet and an air conditioner, wherein the air conditioner cabinet comprises a shell, a heat exchanger component and two air wheels; two cavities spaced left and right are formed in the shell; each cavity has an air outlet penetrating through a front panel of the shell; the two air outlets are arranged in a form of strips extending from top to bottom; an air hole communicated with the shell is formed between the two air outlets in the front-back direction; the two air wheels are correspondingly arranged in the two cavities; the heat exchanger component includes two heat exchangers correspondingly positioned in the two cavities; and the two air outlets are used for leading air, leaded into the shell by the air wheels, to the front end of the air hole to form negative pressure in the air hole so as to forwards move the air at the back end of the air hole. The air conditioner cabinet greatly increases the air outlet quantity thereof.