Abstract: Embodiments relate to generating non-thermal plasma to selectively convert a precursor to a product. More specifically, plasma forming material, a precursor material, and a plasma promoter material are provided to a reaction zone of a vessel. The reaction zone is exposed to microwave radiation, including exposing the plasma forming material, the precursor material, and the plasma promoter material to the microwave radiation. The exposure of the plasma forming material and the plasma promoter material to the microwave radiation selectively converts the plasma forming material to a micro-plasma. The precursor material is mixed with the plasma forming material and the precursor material is exposed to the micro-plasma. The exposure of the precursor material to the micro-plasma and the microwave radiation selectively converts the precursor material to a product.

Abstract: A continuous tubular reactor includes a rotary reaction tube having a reactant inlet and a product outlet, and including a ceramic; a heating device disposed outside the rotary reaction tube; and an angle adjuster adjusting an angle of a rotation axis of the rotary reaction tube. The angle of the rotation axis is 75° or less with respect to a horizontal surface.

Abstract: Described herein is a column packing for a distillation apparatus, the column packing having an upper end opposite a lower end, the column packing comprising: a body extending along a central axis, the body comprising: a central channel extending parallel to the central axis, the central channel comprising a first open end opposite a second open end; and a plurality of perimeter channels circumscribing the central channel, each of the perimeter channels comprising a first open end opposite a second open end wherein the multi-channel body is formed of fluoropolymer.

Abstract: A fill sheet for cooling heat transfer fluid in a cooling tower includes an air intake end, an air outlet end, a top edge and a bottom edge. The air outlet end is positioned opposite the air intake end along a lateral axis. The top edge connects the air intake end and the air outlet end and the bottom edge also connects the air intake end and the air outlet end. The bottom edge is positioned opposite the top edge along a vertical axis. A plurality of flutes extends generally parallel to the lateral axis between the air intake end and the air outlet end. An offset extends generally parallel to the vertical axis. A first flute of the plurality of flutes transitions from a first peak at a first side of the offset to a first valley at a second side of the offset.

Abstract: An agglomerate is provided that can include an aluminosilicate (ash) base material and one or more of a binding agent or leach reduction agent. Each of the agglomerate and binding agent can include no more than about 25 wt. % cement.

Abstract: The present invention relates to zeolite adsorbents based on agglomerated crystals of zeolite(s) comprising barium and strontium These adsorbents have applications in the separation of fractions of aromatic C8 isomers and in particular xylene.

Abstract: The present disclosure provides biorefining systems for co-producing activated carbon along with primary products. A host plant converts a feedstock comprising biomass into primary products and carbon-containing co-products; a modular reactor system pyrolyzes and activates the co-products, to generate activated carbon and pyrolysis off-gas; and an oxidation unit oxidizes the pyrolysis off-gas, generating CO2, H2O, and energy. The energy is recycled and utilized in the host plant, and the CO2 and H2O may be recycled to the reactor system as an activation agent. The host plant may be a saw mill, a pulp and paper plant, a corn wet or dry mill, a sugar production facility, or a food or beverage plant, for example. In some embodiments, the activated carbon is utilized at the host plant to purify one or more primary products, to purify water, to treat a liquid waste stream, and/or to treat a vapor waste stream.

Abstract: A composition of matter is described characterized by its qualities to adsorb scents present in gas, liquid and solid matter phases, while simultaneously serving as a carrier for an active ingredient or combination of active ingredients. The composition may also include an additive. The active ingredients are simultaneously and/or independently released gradually by the carrier, or a combination of carriers.

Abstract: The present invention relates to a super absorbent polymer exhibiting more improved absorption under pressure and liquid permeability, even while basically maintaining excellent centrifuge retention capacity and absorption rate, and a method for producing the same. The super absorbent polymer comprises: a base polymer powder including a first crosslinked polymer of a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups; and a surface crosslinked layer formed on the base polymer powder and including a second crosslinked polymer in which the first crosslinked polymer is further crosslinked via a surface crosslinking agent, wherein the surface crosslinking agent includes at least two compounds having a solubility parameter value (?) of 12.

Abstract: A moisture absorbent for a vehicle lamp includes a first inorganic material, a second inorganic material, alkali metal phosphate, and a polymer wax are included. A composite moisture absorbent structure includes a first moisture absorbent pack including a powder type moisture absorbent and a second moisture absorbent pack including a capsule type moisture absorbent are embedded.

Abstract: A method of recycling superabsorbent polymers derived from a used absorbent article, the method including: treating the superabsorbent polymers with ozone water after inactivation; reactivating, with an alkaline aqueous solution, the superabsorbent polymers treated with the ozone water; and adding hydrophilic fine particles to the superabsorbent polymers reactivated with the alkaline aqueous solution and then drying the superabsorbent polymers.

Abstract: Disclosed is a preparation method of a nanometer metal oxide supported carrier based on anodic oxidation, comprising: Step 1: adding electrolyte to a reaction pool, and fixing the cathode and the anode oppositely, wherein the cathode is a metal plate that is identical to the nano-metal oxide, and the anode is a carrier metal material; Step 2: stirring the electrolyte at a constant speed, wherein the revolution speed is not lower than 500 rpm; Step 3: switching power on; setting the output voltage between 10 v and 50 v; and subjecting the metal plate of the anode to anodic oxidation reaction, wherein metal oxide nanotubes/nano particles are generated on the surface; under the action of stirring, the metal oxide nanotubes/nano particles on the anode surface are dissolved and shed off into the electrolyte; under the action of the electric field force, the dissolved and shed-off nano fragments migrate towards the cathode and are adhered to the surface of the cathode material, thereby forming a nano-metal oxide fi

Abstract: The present invention discloses a bismuth oxide (Bi2O3)/bismuth subcarbonate ((BiO)2CO3)/bismuth molybdate (Bi2MoO6) composite photocatalyst, including a Bi2MoO6 photocatalyst, where Bi2O3 and (BiO)2CO3 nanosheets are introduced to a surface of the Bi2MoO6 through addition of Na2CO3 and roasting. The present invention also discloses a preparation method of the Bi2O3/(BiO)2CO3/Bi2MoO6 composite photocatalyst which is specifically implemented by the following steps: step 1: preparing a Bi2MoO6 photocatalyst; step 2: introducing Bi2O3 and (BiO)2CO3 nanosheets to a surface of the Bi2MoO6 photocatalyst obtained in step 1 through addition of Na2CO3 and roasting to obtain the Bi2O3/(BiO)2CO3/Bi2MoO6 composite photocatalyst. The photocatalyst of the present invention has no agglomeration, a wide responsive range of visible light, a significantly improved catalytic activity compared with a Bi2MoO6 alone, and excellent reusability.

Abstract: The present invention relates to a Pt—N—C based electrochemical catalyst for chlorine evolution reaction and a production method thereof, and an aspect of the present invention provides a Pt—N—C based electrochemical catalyst including: a carbon support; and an organic compound including Pt and N distributed on the carbon support.

Abstract: A NOx adsorber catalyst and its use in an emission treatment system for internal combustion engines, is disclosed. The NOx adsorber catalyst composition comprises a support material, one or more platinum group metals disposed on the support material, and a NOx storage material.

Abstract: A method for producing a hydrogen rich gas from a heavy hydrocarbon feed comprising the steps of introducing the hydrocarbon feed to a reactor, the reactor comprising a low temperature reforming catalyst, the low temperature reforming catalyst comprising an amount of praseodymium, 12 wt % nickel, and an aluminum oxide component, contacting the low temperature reforming catalyst with the hydrocarbon feed in the reactor, wherein the reactor operates at a temperature between 500° C. and 600° C., wherein the reactor operates at a pressure between 3 bar and 40 bar, and producing the hydrogen rich gas over the low temperature reforming catalyst, wherein the hydrogen rich gas comprises hydrogen.

Abstract: The invention relates to a process for the production of ethylene glycol including the steps of: (i) reacting, in a reactor, at a temperature in the range from equal to or more than 170° C. to equal to or less than 270° C., at least a portion of a carbohydrate source in the presence of hydrogen, a solvent, a homogeneous catalyst, which homogeneous catalyst contains tungsten, and a heterogeneous catalyst, which heterogeneous catalyst contains one or more transition metals from groups 8, 9 and 10 of the Periodic Table of the Elements, yielding ethylene glycol and a spent heterogeneous catalyst; (ii) regenerating the spent heterogeneous catalyst by removing at least a portion of deposited tungsten species from the spent heterogeneous catalyst, yielding a regenerated heterogeneous catalyst; and (iii) using at least a portion of the regenerated heterogeneous catalyst as heterogeneous catalyst in the reaction of step (i).

Abstract: A catalyst material for abatement of exhaust gas emissions from a lean burn engine is provided, the catalyst material including a metal-exchanged SAPO-34 material, and an oxide layer at least partially covering an outside surface of the SAPO-34 material, wherein the oxide layer is not substantially blocking the pores of the SAPO-34 material.

Abstract: A method comprising a) contacting a solvent, a carboxylic acid, and a peroxide-containing compound to form an acidic mixture wherein a weight ratio of solvent to carboxylic acid in the acidic mixture is from about 1:1 to about 100:1; b) contacting a titanium-containing compound and the acidic mixture to form a solubilized titanium mixture wherein an equivalent molar ratio of titanium-containing compound to carboxylic acid in the solubilized titanium mixture is from about 1:1 to about 1:4 and an equivalent molar ratio of titanium-containing compound to peroxide-containing compound in the solubilized titanium mixture is from about 1:1 to about 1:20; and c) contacting a chromium-silica support comprising from about 0.1 wt. % to about 20 wt. % water and the solubilized titanium mixture to form an addition product and drying the addition product by heating to a temperature in a range of from about 50° C. to about 150° C. and maintaining the temperature in the range of from about 50° C. to about 150° C.

Abstract: A method comprising a) contacting a solvent, a carboxylic acid, and a peroxide-containing compound to form an acidic mixture wherein a weight ratio of solvent to carboxylic acid in the acidic mixture is from about 1:1 to about 100:1; b) contacting a titanium-containing compound and the acidic mixture to form a solubilized titanium mixture wherein an equivalent molar ratio of titanium-containing compound to carboxylic acid in the solubilized titanium mixture is from about 1:1 to about 1:4 and an equivalent molar ratio of titanium-containing compound to peroxide-containing compound in the solubilized titanium mixture is from about 1:1 to about 1:20; and c) contacting a chromium-silica support comprising from about 0.1 wt. % to about 20 wt. % water and the solubilized titanium mixture to form an addition product and drying the addition product by heating to a temperature in a range of from about 50° C. to about 150° C. and maintaining the temperature in the range of from about 50° C. to about 150° C.

Abstract: Metal ion-directed carboxylic acid functionalized polyoxometalate hybrid compounds, and their preparation method and applications in catalyzing the degradation of chemical warfare agent simulants. In the synthesis, Na2MoO4, p-hydroxybenzonic acid (PHBA), alanine (Ala), KCl, transition metal cations and As2O3 as raw materials and water are used as solvent. At room temperature, 2-chloroethyl ethyl sulfide (CEES) and the prepared polyoxometalate hybrid compounds were mixed together in anhydrous ethanol and stirred, and H2O2 was subsequently added into the reaction system. The catalytic reaction for the degradation of CEES was finished within 5 min under stirring. In the catalytic hydrolysis of diethyl cyanophosphonate (DECP), the catalyst, DECP, DMF and H2O were put together and mixed fully. The prepared polyoxometalate hybrid compounds have the advantages of high conversion, high selectivity and easy recyclability in catalyzing the degradation of two types of chemical warfare agent simulant.

Abstract: Phosphine phosphonate and phenoxyphosphine ligands bearing polyethylene glycol (PEG) chains are used as described herein to produce heterobimetallic catalysts. The ligands can be metallated selectively with palladium or nickel and secondary metal ions to provide well-defined heterobimetallic compounds. These heterobimetallic complexes exhibit accelerated reaction rates and greater thermal stability in olefin polymerization compared to other catalysts.

Abstract: This invention discloses a preparation method of a hydrocracking catalyst. According to the method, a new functional group is modified through chemical bonds on the surface of a traditionally prepared inorganic carrier, and a VIB group metal element and a VIIIB metal element are then loaded on the carrier to prepare the hydrocracking catalyst. The hydrocracking catalyst prepared according to the invention has a higher diesel liquid yield.

Abstract: An amphoteric dissociation ion exchange separation medium, the surface of which is an amphoteric dissociation covalently-modified layer. When an environmental pH value is lower than the isoelectric point, pIm, of the covalently-modified layer, the type of net charges on the surface of the covalently-modified layer is positive and the separation medium has the properties of an anion exchanger; when the environmental pH value is higher than the pIm, the type of net charges on the covalently-modified layer surface is negative and the separation medium has the properties of a cation exchanger. The separation medium has the properties of an anion exchanger and a cation exchanger at both sides of the pIm, respectively. The pH of an eluent can be adjusted to allow the separation medium surface and the target substance to have the same type of net charges, so that the target substance can be released by electrostatic repulsion.

Abstract: A tubular structure for producing droplets and a method of using the tubular structure to produce droplets are provided. The tubular structure includes microchannel structures, and is used for droplet generation, droplet collection, nucleic acid amplification and/or in situ droplet detection, etc.

Abstract: A blood sample collection and/or storage device includes a two-piece housing that encompasses a port at which a fingertip blood sample is collected. After the sample is taken, the two-piece housing is moved to a closed position to protect the sample for storage and optionally process the sample.

Abstract: A blood sample collection and/or storage device includes a two-piece housing that encompasses a port at which a fingertip blood sample is collected. After the sample is taken, the two-piece housing is moved to a closed position to protect the sample for storage and optionally process the sample within the housing. The housing may also be opened to access the stored sample for further processing.

Abstract: An cartridge is combined with a smart device which is capable of communicating with a network to perform a portable, fast, field assay of a small sample biological analyte. A closed microfluidic circuit for mixes the analyte with a buffer with functionalized magnetic beads capable of being specifically combined with the analyte. A detector communicates with the microfluidic circuit in which the mixed analyte, buffer and combined functionalized magnetic beads are sensed. A microcontroller is coupled to detector for controlling the detector and for data processing an output assay signal from the detector. A user interface communicates with the microcontroller for providing user input and for providing user output through the smart device to the network.

Abstract: Embodiments in accordance with the present disclosure are directed to configuring an analyzer apparatus for processing a particular sample-processing cartridge. The analyzer apparatus includes a portable container and sample-specific configuration circuitry. The portable container supports and integrates a sample-processing cartridge and the sample-specific configuration circuitry. The sample-specific configuration circuitry identifies configuration information specific to the sample-processing cartridge and configures the analyzer apparatus for a series of state configurations.

Abstract: A disposable cartridge may have a fluid analysis chip for receiving a fluid to be analyzed. The fluid analysis chip may be attached to a fluid preparation unit of the disposable cartridge and may include a base layer. The fluid analysis chip may also include a spacer layer disposed over the base layer, the spacer layer including a microchannel formed therein, the microchannel being configured to guide a flow of the fluid to be analyzed within the fluid analysis chip. The fluid analysis chip may also include a cap layer disposed over the spacer layer, the cap layer including an inlet and an outlet for establishing fluid communication with the microchannel included in the spacer layer, and an interface layer disposed over the cap layer, the interface layer being configured to attach the fluid analysis chip to the fluid preparation unit of the disposable cartridge.

Abstract: Methods of mitigating lipoprotein interference in in vitro diagnostic assays for target hydrophobic analytes are disclosed, as well as compositions, kits, and devices useful in said methods. A pretreatment reagent is utilized that includes at least one enzyme that digests lipoprotein.

Abstract: A micro-fluidic device is provided to sort out objects from a liquid stream. The device comprises a first channel comprising a first liquid and a second channel comprising a second liquid and the first liquid, and a third channel. The second channel is connected to the first channel and the channels are positioned such that a jet flow coming from the second channel can deflect objects in the first liquid into the third channel. The first liquid is a liquid which has a higher viscosity than water and the second liquid may be the same as or different from the first liquid. The micro-fluidic device is adapted for generating the jet flow in the second liquid.

Abstract: Microfluidic cartridge (10) comprising a sampling device (30) having a sealing ring (32) arranged to form a microfluidic chamber (31) when a support containing a biological sample is brought into contact with the sealing ring, and a microfluidic network device (13) configured to supply reagents to the microfluidic chamber. The sampling device further comprises inlet and outlet distribution networks (33a, 33b) in fluid communication with the microfluidic chamber and a slide holder (35) to guide and position said support containing a biological sample on the sampling device. The microfluidic network device comprises a plurality of reagent inlet channels (18) fluidly connectable to reagent sources, at least one reagent outlet channel (22) fluidly connected to the sampling device inlet distribution network (33a), and a plurality of valves (25) operable to selectively connect the inlet channels to the at least one outlet channel.

Abstract: A system and method for isolating and analyzing single cells, wherein the system includes: an array of wells defined at a substrate, each well including an open surface and a well cavity configured to capture cells in one of a single-cell format and single-cluster format, and a fluid delivery module including a fluid reservoir through which fluid flow is controlled along a fluid path; and wherein the method includes: capturing a population of particles into the array of wells in single-particle format; releasing, from the particles, a set of probes into the array of wells; capturing a population of cells into the array of wells in single-cell format; releasing biomolecules from each captured cell into the array of wells; and generating a set of genetic complexes comprising the biomolecules associated with a single captured cell and a subset of probes within individual wells of the array of wells.

Abstract: A system and method for isolating and analyzing single cells, comprising: a substrate having a broad surface; a set of wells defined at the broad surface of the substrate, and a set of channels, defined by the wall, that fluidly couple each well to at least one adjacent well in the set of wells; and fluid delivery module defining an inlet and comprising a plate, removably coupled to the substrate, the plate defining a recessed region fluidly connected to the inlet and facing the broad surface of the substrate, the fluid delivery module comprising a cell capture mode.

Abstract: The present disclosure relates to a medical diagnostic system. In various embodiments, the system includes a housing, a first receptacle in the housing for receiving a reagent container, a second receptacle in the housing for receiving a working fluid and waste container, where the second receptacle is larger than the first receptacle, two reagent access needles positioned and fixed within the first receptacle with each of the two reagent access needles being positioned to access the reagent container, and a working fluid access needle and a waste access needle positioned and fixed within the second receptacle with the working fluid access needle and the waste access needle being positioned to access the working fluid and waste container.

Abstract: A specimen holding and positioning apparatus operable to substantially non-movably maintain a specimen (e.g., an excised tissue specimen) in a fixed or stable orientation with respect to the apparatus during imaging operations (e.g., x-ray imaging), transport (e.g., from a surgery room to a pathologist's laboratory), and the like for use in facilitating accurate detection and diagnosis of cancers and/or other abnormalities of the specimen.

Abstract: A roller press machine capable of applying an electric field includes a base, a frame, press rollers, a distance adjusting device, a speed adjusting device, a voltage applying device, a feeding baffle, and a discharging device. The press roller has a roller surface made of conductive material, and an electric field is created when a charge is applied to the press roller. In the roller press, an alternating or direct current electric field is applied between the press rollers to create an electrochemical action, such that particles or a solution in a system is induced to undergo a physical or chemical change, thereby enhancing interaction therebetween, and accordingly increasing grinding and dispersion efficiency of a solid-liquid dispersion system.

Abstract: A feed hopper for a material processing device, in particular for a crusher (10), having two side walls (21) and a rear wall of the hopper (22), wherein the side walls (21) are directly or indirectly coupled to a machine support (12.1) in a swiveling manner and can be converted from a set-up work position to a folded-down transport position and back, wherein a feed area is formed between the side walls (21), and wherein at least one of the side walls (21) is supported relative to the machine support (12.1) in the set-up work position by a supporting device (30). A support lever (31), which in the work position is supported directly or indirectly in relation to the machine support (12.1) by a detachable form-fit connection, wherein the form-fit connection prevents the side wall (21) from folding down, projects into the feed area in the folded-down transport position. In this way, a space-saving design is also achieved in the folded-down transport position.

Abstract: Disclosed is an underground coal preparation process adopting a water medium, comprising: feeding raw coal into a special underground compact jigging machine to discharge overflow clean coal being dewatered through a ?1 mm fixed screen and screened through a ?13 mm classifying screen, and dewatering powder clean coal with a particle size less than 13 mm to obtain powder clean coal and a centrifugate; grading jigging middling coal by means of a ?13 mm classifying screen into block middling coal and powder middling coal, and dewatering the powder middling coal to obtain powder middling coal and a centrifugal liquid; and sending produced coal slime water to a water medium classifying and separation cyclone, and the obtained coarse middling coal slime and coarse clean coal slime respectively passing through a coarse middling and clean coal slime sieve bends, and then being dewatered.

Abstract: An electric dust collecting device is provided. The electric dust collecting device according to an embodiment includes a mixing part into which outside air flows, an electrostatic sprayer configured to spray droplets charged to the mixing part to be combined with contaminants contained in outside air, a dust collecting part configured to form an electric field and adsorb droplets combined with contaminants, and a draining part combined with the dust collection part to discharge the droplets adsorbed in the dust collecting part.

Abstract: The present invention provides a new method for accurately identifying DEP cross-over frequencies of one or more particles in a sample, and quickly and efficiently conveying that information to assist in the separation, e.g., DEP separation, or analysis of the one of more particles under examination or investigation. The present invention also provides an apparatus and method for monitoring the dielectrophoretic response of one or more particles and determining the DEP cross-over frequency of particles of interest.

Abstract: An exchangeable separation insert and a modular centrifugal separator are disclosed. The insert includes a rotatable rotor casing and a first stationary portion. The rotor casing delimits a separation space and includes frustoconical separation discs. The first stationary portion is biased in a first direction away from the rotor casing along an axial direction.

Abstract: A vacuum cyclonic separator that includes: a main body having a top surface with an air outlet, a bottom perimeter defining a bottom aperture of the main body, at least two downwardly facing air inlets and at least one side wall extending between the top surface and the bottom portion and shaped such that air received within an interior cavity of main body moves in a cyclone and wherein the at least two downwardly facing air inlets are in at least substantially the same plane as the bottom perimeter of the main body; and a dump valve assembly capable of being opened and closed with one hand where the dump valve is engaged with the bottom portion to seal the bottom aperture of the main body.

Abstract: A pressure regulator comprises a primary fluid inlet for connection to a source of high pressure fluid, a fluid outlet for connection to a space to receive the high pressure fluid, a convergent-divergent nozzle having an upstream convergent section, a throat and a downstream divergent section, the primary fluid inlet being in fluid communication with the convergent section of the nozzle; and an outlet pipe having an upstream end arranged around but radially spaced from the outlet of the divergent section of the nozzle, the outlet pipe arranged to receive fluid flow from the outlet of the divergent section of the nozzle and conduct the fluid flowing from the nozzle to the fluid outlet.

Abstract: The present invention discloses a novel flexible spray nozzle sprayer face cap, rotatably installed at a head part of a garden water gun, configured to switch sprayed water types and structurally including a water division plate, a spray seat, and a main body sequentially fixed in a coaxial way. The novel flexible spray nozzle sprayer face cap is mainly characterized in that an embedded and fixed flexible spray nozzle is disposed in each water outlet small hole formed in the main body, and an outer end of each of the flexible spray nozzles respectively extends out of the water outlet small hole to be exposed, so that when the sprayer face cap rotates and switches to communicate passing water to a plurality of water outlet small holes, the passing water can be sprayed out from the flexible spray nozzle in each of the water outlet small holes.

Abstract: A shower device including a housing and a spray engine. The housing defines an inlet for a water supply. The spray engine includes an elastomeric layer providing a spray face and defining an outlet, a support layer having a first surface engaging the elastomeric layer and an opposite, second surface, the support layer defining a plurality of openings between the first surface and the second surface, material of the elastomeric layer extending axially through each of the plurality of openings to the second surface and radially over a portion of the second surface in a plurality of separate and individual flanges, the flanges providing an integrated seal on the second surface of the support layer. The elastomeric layer forms a continuous elastic coating covering the outer surfaces of the front and sides of the spray face and extending from the spray face through the openings to the second surface.

Abstract: What is disclosed is a self governing speed control device for controlling the rotation speed of a sprinkler turbine. The device has a housing that houses a viscous fluid. An axle extends into the housing and is configured to rotate in the housing. The axle is fixedly attached to a primary drum that rotates with the axle. One or more hinge pins extends from the primary drum. A brake shoe is positioned on the hinge pin. The hinge pin passes into a slot in an actuation drum configured to rotate on the axle. The brake shoe is configured to expand and contract based on the speed of rotation of the axle in relation to the speed of rotation of the actuation drum.

Abstract: The present invention relates to a process for preparing a spray-dried lipid and protein component-containing composition using a rotary atomizer, which composition comprises large lipid globules, preferably coated with polar lipids, and to the compositions obtained thereby. The obtained compositions are preferably for feeding infants and young children.

Abstract: What is disclosed is a sprinkler head having a nozzle configured for spraying a fluid, such as irrigation water, at a distribution disk. The distribution disk is configured to rotate on an upper axle. The upper axle is housed within an upper axle housing. The upper axle housing is configured to rotate about a lower axle. The dual axle provides for two different rotation axles of the distribution disk in operation. Preferably a speed control device can be positioned to control the speed of rotation of one axle or both axles.