Abstract: A spherical tungsten carbide powder is characterized by that the material has a microhardness higher than 3600 kgf/mm2, and that the powder has an apparent density from 9.80 to 11.56 g/cm3. A method for the manufacture of a powder comprises the steps: a) providing a chamber comprising a rotatable crucible, b) adding material into said rotatable crucible, c) melting the material using a plasma arc discharge, d) rotating the crucible to atomize the molten material to form liquid droplets, with subsequent cooling of the droplets to obtain a powder, wherein the material added into said rotatable crucible is heated to a temperature above 40% of the melting temperature of the material before it enters the crucible. It is possible to reduce the current required for melting the stock. Heat losses are decreased, and the spherical powder obtained during atomization becomes more homogeneous in its composition and structure. The cost is reduced.

Abstract: The invention pertains to a method for manufacturing a formed body with a cavity structure for the sound and/or heat insulation of buildings. According to the invention, pre-foamed polystyrene particles are compressed into a formed body in a mold or on a conveyor belt system under the influence of heat and/or pressure, wherein the degree of compression amounts to 0.2-0.8, preferably 0.3 to 0.7, particularly 0.4 to 0.6, such that a communicating cavity volume is preserved in the formed body. The invention furthermore pertains to a formed body for the sound and/or heat insulation of buildings.

Abstract: A method of producing particulate, including introducing an initial liquid including a particulate component in a lower concentration than that of a liquid including a particulate component or no concentration to a projection hole of a droplet projector so as to be projected at the start of the discharging; discharging a droplet of the liquid comprising a particulate component from the projection hole; and solidifying the droplet to form a particulate.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Described herein are fiber producing devices that are composed of two or more members, that, when coupled together, define an internal cavity and a plurality of openings.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Embodiments described herein relate to multilayer fiber producing devices.

Abstract: The present invention relates to a method of fabricating an insulating resin material (4) from a core/shell particle (3) having a core particle (2) containing a macromolecular compound and a shell layer (1) coating the core particle (2) and containing an inorganic compound. The method of fabrication includes mixing the core/shell particles (3) with a good solvent (10) for the macromolecular compound, infiltrating the good solvent (10) through the shell layer (1), impregnating the good solvent (10) into the macromolecular compound, molding a compact from the impregnated core/shell particles (3), and removing the good solvent from the compact by heating the molded compact.

Abstract: An absorbent manufacturing device forms an absorbent by depositing a liquid absorbent fiber and a super absorbent polymer in a deposition part. The absorbent manufacturing device includes: a plurality of suction holes that are provided in the deposition part, wherein the liquid absorbent fiber and the super absorbent polymer flowing inside a scattering duct are deposited in the deposition part by suction; a suction duct that is provided in communication with the suction holes and draws air so that the suction holes perform suction; and a separator that separates a super absorbent polymer of size equal to or larger than a certain size from a flow of air flowing in the suction duct and returns the separated super absorbent polymer to the scattering duct.

Abstract: A heat sink using porous graphite having graphite particle-stacked porous graphite is provided. The heat sink may provide good heat conductivity and improve strength of carbon foam. Also, a manufacturing method of porous graphite is provided.

Abstract: A fabrication method of nanoparticles is provided. A substrate having a plurality of pillar structures is provided and then a plurality of ring structures is formed to surround the plurality of the pillar structures. The inner wall of each ring structure surrounds the sidewall of each pillar structure. A portion of each pillar structure is removed to reduce the height of each pillar structure and to expose the inner wall of each ring structure. The ring structures are separated from the pillar structures to form a plurality of nanoparticles. Surface modifications are applied to the ring structures before the ring structures are separated from the pillar structures on the substrate.

Abstract: The original of the present invention has a pattern to be transferred. For example, the original of the present invention is a mold for use is an imprint apparatus or a mask for use in an exposure apparatus. The original has a negative effective Poisson's ratio. Alternatively, the original has an effective Poisson's ratio smaller than that of a quartz glass plate.

Abstract: There is provided a method for producing construction material utilizing loose pieces of aggregate, enzyme producing bacteria, an amount of urea and an amount of calcium ions. A first solution is prepared which includes urease which is formed by enzyme producing bacteria. A second solution is prepared which includes urea and calcium ions. The first and second solutions are added to the loose aggregate. The calcium ions contribute to the formation of calcium carbonate wherein the calcium carbonate fills and bonds between at least some of the gaps between the loose pieces of aggregate forming a solid construction material.

Abstract: This disclosure relates to a method of preparing polyamide particles. The method include spray drying a solution containing a polyamide to form polyamide particles having an average diameter of between about 0.5 ?m and about 10 ?m and at least about 85% of the polyamide particles having a diameter distribution of no more than about 1.5 ?m.

Abstract: Embodiments of the present disclosure provide for devices, methods for forming non-spherical particles, and the like.

Abstract: The present systems and methods utilize a polyamic acid solution as a precursor to form a polyimide bead having desired properties. The polyamic acid solution may be formed into a polyamic acid droplet. The polyamic acid droplet is then processed to form a polyamic acid bead, such as by extraction of solvent to concentrate the polyamic acid or by partial chemical imidization of the polyamic acid. The polyamic acid bead is then better able to retain its shape during subsequent processing steps, such as drying and pressurizing, before final thermal imidization.

Abstract: A method and formulation for preparing spray dried vancomycin. In various embodiment, the formulation includes vancomycin HC1 (10-20%) and one or more of the following PEG (0-5%), mannitol (0-5%), ethanol (0-10%), and a citrate buffer. Spray dried vancomycin has favorable reconstitution times and water content.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Described herein are fiber producing devices that are capable of producing coaxial fibers.

Abstract: A cushion element for a vehicle seat has fibers and foam particles bound by a binder. A precursor material for the cushion element is made by independently adding the fibers and the foam particles together with the binder. The addition and ratio of the fibers and foam particles may depend on their location in the cushion element, and may be influenced by electrostatic discharge means.

Abstract: A nanofiber manufacturing apparatus for fabricating nanofibers from a raw material liquid by electrostatic explosions includes a housing internally having an electrospinning space in which nanofibers are fabricated, and a support structure for supporting an electrospinning head including nozzles for ejecting the raw material liquid into the electrospinning space. The support structure is fittable to and removable from the housing and is enabled to self-stand in a state of having been removed from the housing.

Abstract: Sulfur (or sulphur) spray nozzles disposed with a tank spray liquid molten sulfur into the cooling liquid in the tank. Solid sulfur seeds are formed in the cooling liquid and settle in the tank. The tank may be a spiral dewaterer tank that has a screw conveyor at the bottom of the tank that moves the seeds to a granulating drum for enlargement into sulfur granules. The tank may also be used to capture and remove sulfur dust from a slurry of sulfur dust and water recycled from the granulating drum. The sulfur dust in the cooling tank may be captured by contact with molten sulfur droplets streaming down the cooling liquid column such that the dust particles become incorporated into the droplet, thereby being converted to seed. The granulating drum may be equipped with two or more sets of segmented lifting flights. The sets of flights may not be in alignment. The flights may be spaced apart from the inside surface of the drum with segmented rib members.

Abstract: Our invention allows for control of particle formation at the nanoscale, providing a means to control nanoparticle and nanostructure formation using feedback on the fly from nanoparticle characteristic analysis and optimization/knowledge extraction control algorithms. A closed loop feedback controller causes the interaction of a shaped flaser pulse with a substrate. The substrate can be one or more solid, liquid or gas or any combination thereof. Nanoparticles are produced and their characteristics are measured. The measured characteristics are compared with the desired nanoparticle characteristics. If the measured and desired characteristics are not equivalent, the closed loop feedback controller modifies the shape of the laser pulse and the next cycle begins. With successive loop of the control process the difference between the desired and measured characteristics converges until they are equivalent.