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4983 results about "Film-coated tablet" patented technology

A film coating is a thin polymer-based coat applied to a solid dosage form such as a tablet. The thickness of such a coating is usually between 20-100 µm. It is possible to follow the dynamic curing effect on tablet coating structure by using non-destructive analytical methodologies.

Method of deposition of thin films of amorphous and crystalline microstructures based on ultrafast pulsed laser deposition

Powerful nanosecond-range lasers using low repetition rate pulsed laser deposition produce numerous macroscopic size particles and droplets, which embed in thin film coatings. This problem has been addressed by lowering the pulse energy, keeping the laser intensity optional for evaporation, so that significant numbers of the macroscopic particles and droplets are no longer present in the evaporated plume. The result is deposition of evaporated plume on a substrate to form thin film of very high surface quality. Preferably, the laser pulses have a repetition rate to produce a continuous flow of evaporated material at the substrate. Pulse-range is typically picosecond and femtosecond and repetition rate kilohertz to hundreds of megahertz. The process may be carried out in the presence of a buffer gas, which may be inert or reactive, and the increased vapour density and therefore the collision frequency between evaporated atoms leads to the formation of nanostructured materials of increasing interest, because of their peculiar structural, electronic and mechanical properties. One of these is carbon nanotubes, which is a new form of carbon belonging to the fullerene (C60) family. Carbon nanotubes are seamless, single or multishell co-axial cylindrical tubules with or without dome caps at the extremities. Typically diameters range from 1 nm to 50 nm with a length >1 mum. The electronic structure may be either metallic or semiconducting without any change in the chemical bonding or adding of dopant. In addition, the materials have application to a wide range of established thin film applications.

Liquid crystal phase shift unit for reflected adjustable phase shifter

ActiveCN107394318ATurn fullySteer evenlyWaveguide type devicesPatch electrodeAuxiliary electrode
The invention discloses a liquid crystal phase shift unit for a reflected adjustable phase shifter. The liquid crystal phase shift unit comprises two upper and lower layers of medium substrates, a liquid crystal layer is injected in the gap between the two upper and lower layers of medium substrates, a metal microstrip patch electrode is arranged on the lower side of the upper layer medium substrate, a metal total reflection ground electrode is arranged on the upper side of the lower layer medium substrate, and polyimide film coating is respectively arranged on upper and lower surfaces of the liquid crystal layer; the metal microstrip patch electrode comprises two identical dipole patches, an offset voltage loading line and an auxiliary electrode, the two dipole patches are arranged in parallel, the offset voltage loading line is connected with the two dipole patches orthogonally to form a patch unit, the auxiliary electrode is a quadrilateral metal frame, and the quadrilateral metal frame surrounds the whole patch unit and is connected with the offset voltage loading line. The auxiliary electrode has a simple main body structure, educes the saturation bias voltage, and can be used in the field of liquid crystal reflected phase shifters and phase control antennas within microwave, millimeter wave and terahertz frequency bands.

Method for producing instant straw mushroom chips by adopting vacuum low-temperature dehydration technology

The invention discloses a method for producing instant straw mushroom chips by adopting a vacuum low-temperature dehydration technology, and belongs to the technical field of deep processing of agricultural products. The method for producing the instant straw mushroom chips comprises the following main processes of: performing pretreatments such as conventional picking, cleaning, segmenting, blanching, non-sulfur color protecting, ultrasonic aid impregnating, sodium alginate film coating and the like on fresh straw mushrooms, and then, performing hot air and vacuum frying combined dehydrating, centrifugal oil removing, seasoning and packing. By adopting the new processes of non-sulfur color protecting, ultrasonic aid impregnating, sodium alginate film coating and hot air and vacuum fryingcombined dehydrating, the oil content of the product is remarkably reduced while the sensory quality of the product is improved and the impregnating efficiency is increased. In the method, necessary freezing treatment in the conventional fruit and vegetable chip frying process is not needed, so that the processing time is greatly reduced, and the production period of the product is effectively shortened. The product obtained by using the method has the characteristics of high puffing rate, low oil content, good sensory quality and the like; and a feasible new path is provided for deep processing utilization of the straw mushrooms.

Color drought-resistance water-retention sustained-release compound fertilizer and method for producing same

The invention discloses a color drought-resistance water-retention sustained-release compound fertilizer and a method for producing the same, wherein the method comprises the followings steps of: measuring, crushing and uniformly mixing fertilizer raw materials, granulating by adopting an ammonia-acid method rotary drum granulating process, performing one-stage drying, semi-cooling and screening of grains, and sending the mixture to a coating machine; adopting a continuous melting rotary drum film-coating method coating process to perform compressed air atomization and uniform coating of color coating oil sprayed by a special nozzle; and adding a water-retaining agent and an anti-adhesive agent by a screw conveyor, and performing full stirring, cooling and packaging to obtain the finishedproducts. The color drought-resistance water-retention sustained-release compound fertilizer has the effects of drought resistance, water retention, nutrient preservation, soil condition improvement and environmental protection, and the appearance of the fertilizer has color marks; and when the fertilizer is applied to crops, the fertilizer has the advantages of increasing yield and incoming, along with simple production method, convenient operation, low cost and high benefits.

Aqueous acrylic modified epoxy ester primer-topcoat integrated anticorrosive baking finish

The invention discloses aqueous acrylic modified epoxy ester primer-topcoat integrated anticorrosive baking finish. The baking finish consists of the following components in part by weight: 45 to 65 parts of aqueous acrylic modified epoxy ester resin, 2 to 20 parts of amino resin, 5 to 35 parts of pigment, 0 to 15 parts of filler, 1 to 3 parts of water dispersible dryer, 0.1 to 0.55 part of pH regulator, 5 to 15 parts of softened water, 0.2 to 0.4 part of dispersant, 0.3 to 0.5 part of wetting agent, 0.15 to 0.25 part of flatting agent, 0.3 to 0.5 part of antifoaming agent, and 0.2 to 0.3 part of preservative and mildew preventive. Without organic solvent, the baking finish is safe, energy-saving and free from pollution; the pencil hardness reaches 2H, the coating performance is stable, the film-coating mechanical strength is high, the positive and negative impact resistance can reach, and the flexibility can reach 1mm; the baking finish can integrate antirust and anticorrosive functions, can be used as primer or topcoat, reduces the construction process, is simple and quick to operate, can be sprayed or dip-coated, and can be quickly cured; a coated film does not become yellow; and the baking finish meets the development direction of aqueous anticorrosive paint.
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