77results about How to "Easy to atomize" patented technology

Described are nanoparticulate formulations of a benzodiazepine, such as lorazepam, that does not require the presence of polyethylene glycol and propylene glycol as stabilizers, and methods of making and using such formulations. The formulations are particularly useful in aerosol and injectable dosage forms, and comprise nanoparticulate benzodiazepine, such as lorazepam, and at least one surface stabilizer. The formulations are useful in the treatment of status epilepticus, treatment of irritable bowel syndrome, sleep induction, acute psychosis, and as a pre-anesthesia medication.

There invention discloses aqueous dispersions of nanoparticulate aerosol formulations, dry powder nanoparticulate aerosol formulation, propellant-based aerosol formulations, methods of using the formulations in aerosol delivery devices, and methods of making such formulations. The nanoparticles of the aqueous dispersions or dry powder formulations comprise insoluble drug particles having a surface modifier on the surface thereof.

The invention provides novel pharmaceutical compositions comprising the active ingredient propofol. Preferably, propofol is dissolved in at least one semifluorinated alkane. The compositions, which are preferably liquid or gel-like, may optionally comprise further excipients. They may be used as fill material in capsules, as buccal or nasal sprays, or as aerosols for pulmonary administration. They are particularly useful for the transmucosal administration of propofol.

The invention relates to bait added with vegetable fiber and a preparation method thereof. The bait added with vegetable fiber comprises the raw materials of traditional bait and vegetable fiber. The traditional bait consists of raw materials and additives, wherein the raw materials comprise seeds, bran, dregs and animal proteins; and the additives comprise oxidants, mildew preventives, adhesives, coloring agents, flavoring agents and food attractants. The plant fiber is a mixture containing one or two of wood fiber and grass fiber. The wood fiber and the grass fiber can be uniformly distributed in the fishing bait, can achieve the effects of connection, cracking resistance, strength enhancing and bait atomizing improvement, and does not cause environmental pollution; and the bait is ideal for fishermen.

The invention provides a metal ultrafine atomizing, crushing and grading system, comprising a metal smelting furnace, a metal hydrogen-discharging and heating furnace, a metal atomizing device, a fluidized bed depolymerization grader, a second precise grader, at least one collector, a filter and a compressor. The invention also provides a metal atomizing device, comprising a crucible, a spray disc, a spray cover and a cylindrical spray cylinder, wherein a circle of evenly distributed inclined holes is respectively arranged on at least two circumferences with different diameters of the spray disc; each inclined hole is provided with a Laval nozzle; and the extension line of each Laval nozzle is intersected with the central axis of the spray disc at the same point. Through the airflow with ultrasonic velocity, ultralow temperature and large velocity pressure generated by the nozzle in the metal atomizing device, the liquid metal or alloy is directly crushed, or rapidly cooled into atomized powder and then depolymerized by a fluidized bed and precisely graded by the precise grader to obtain metal fine powder and ultrafine powder with finer granularity, more even granularity and better granularity sphericity.

The invention provides a crucible for polysilicon ingot casting, a coating structure of the crucible and a coating preparation method. The coating structure of the crucible for polysilicon ingot casting comprises a first coating arranged on the inner side wall of the crucible and a second coating arranged on the first coating. The first coating is formed from a first coating composition by brush coating. The first coating composition comprises silicon nitride and a solvent. The second coating is formed from a second coating composition by spray coating. The second coating composition comprises silicon nitride and a solvent. The coating structure of the crucible for polysilicon ingot casting has uniform thickness, does not crack easily, has high bonding force to the inner wall of the quartz ceramic crucible, and strong bonding force between silicon nitride particles, does not spall easily in an ingot casting technology and has a low rate of adhesion to the crucible.

The invention relates to a film-coating premixing auxiliary material which mainly comprises hydroxypropyl methylcellulose, polyvinylpyrrolidone-vinyl acetate copolymer (6:4), polyvinyl alcohol-polyethylene glycol copolymer, methacrylic acid-ethyl acrylate copolymer (1:1), polyethylene glycol, talcum powder and a colorant. The film-coating premixing auxiliary material has the advantages of favorable dampproof and anti-cracking properties, can disintegrate at a suitable time and uses water as dissolvent.

The invention discloses an environment-friendly electrostatic spraying antirust oil which is prepared from the following raw materials in percentage by mass: 70.0-90.0% of base oil, 5.0-25.0% of rust inhibitor, 1.0-5.0% of surfactant and 0.5-5.0% of antioxidant. The preparation method of the environment-friendly electrostatic spraying antirust oil comprises the following steps: mixing the measured base oil, rust inhibitor, surfactant and antioxidant, heating, and stirring uniformly to obtain the environment-friendly electrostatic spraying antirust oil. The antirust oil has the advantages of higher breakdown voltage, high safety, high atomization tendency of the oil product and low viscosity, and is convenient for cleaning; and the antirust oil can satisfy the requirement for antirust properties and conform to the requirement for environmental protection.

A piston top surface (23) has a depression. A center region (28A) is formed at the center of the depression to secure the diameter of a center tumble flow to be large. A side region (28B) is formed on both sides of the piston top surface to generate a side tumble flow that is not influenced by a cylinder bore inner wall and has a flow line generally parallel to that of the center tumble flow.

The invention discloses a urea duplex double-scroll SCR mixer of a diesel vehicle. The urea duplex double-scroll SCR mixer comprises a barrel (1), a guide column (11), an end cover (2), a front helical blade (6), a rear helical blade (10), a front baffle plate (5), a urea nozzle (8) and a distributing baffle plate (16); the front helical blade (6) and the rear helical blade (10) are installed on the guide column (11); the barrel (1), the front baffle plate (5), the front helical blade (6) and the end cover (2) form a single-direction main passage; the distributing baffle plate (16) is installed between the front helical blade (6) and the rear helical blade (10); and the urea nozzle (8) is arranged on the single-direction main passage. The duplex double-scroll SCR mixer is arranged inside the barrel, so that the back pressure is small, the space is compact, and the urea is uniformly atomized; the contradiction between the back pressure and the urea atomizing can be solved; and the problem of urea atomizing in the compact space can be solved.

The invention discloses an embedded extension nozzle in the technical field of pavement spraying. The embedded extension nozzle comprises an inner-layer cylinder, an outer-layer sleeve, an annular spring and a bottom fixed bin; multiple upper-layer spraying holes and multiple lower-layer spraying holes communicating with an inner cavity of the inner-layer cylinder are formed in the outer wall of the inner-layer cylinder; after the power failure of an electromagnet, the inner-layer cylinder slides down to the upper-layer spraying holes and the lower-layer spraying holes for closing in the outer-layer sleeve; and after the electromagnet is electrified, the inner-layer cylinder upwards slides to the upper-layer spraying holes and the lower-layer spraying holes for extension out of the outer-layer sleeve. The nozzle shrinks underground in an idle state; the spraying holes automatically extend out of the ground during working; liquid is sprayed near the ground to achieve lower influence ontraffic; and the embedded extension nozzle is wide in spraying coverage and suitable for such length distances as four lanes, six lanes and eight lanes.

The invention discloses a method for detecting the content of elements in oil with an inductively coupled plasma (ICP) spectrometer. The ICP spectrometer comprises a torque tube, and the torque tube is formed by three layers of concentric quartz tubes. Cooling gas is guided into the quartz tube of the outer layer, oxygen is guided into the quartz tube of the middle layer and gasoloid of the oil which is diluted by organic solution is injected into the quartz tube of the outer layer. The method for detecting the content of elements in oil with the ICP spectrometer makes up the deficiency of the prior art.

The invention discloses alcohol-based fuel without eye fumigation in use. The alcohol-based fuel is characterized by being prepared from the following ingredients in parts by weight: 85.0 to 95.0 parts of methyl alcohol, 2.0 to 8.0 parts of ethyl alcohol, 2.0 to 5.0 parts of tertiary butanol, 1.0 to 2.0 parts of paroline, 0.2 to 0.5 part of ferric chloride, 0.2 to 0.5 part of methyl tertiary butylether, 0.05 to 0.1 part of ethyl acetate and 1.5 to 2.5 parts of additive. The additive is prepared from the following preparation method which comprises the steps: (1) forcing treatment: putting water-extracted folium eriobotryae residues into a high-pressure tank, forcing to 3kg/cm<2> to enable pressure to be even, maintaining and then releasing the pressure instantly; (2) distillation treatment: putting the materials obtained in the step (1) into a distiller, heating, burning or introducing steam at the bottom of the distiller, guiding the steam into a condenser through a condensing pipe when the distiller is full of the hot steam and then collecting an oil phase through an oil-water separator; (3) high-shear homogenizer treatment: processing the oil phase obtained in the step (2) by ahigh-shear homogenizer to be prepared into nanoemulsion to obtain the additive.

The invention discloses an insecticidal aerosol and a preparation method thereof. The insecticidal aerosol comprises the following components in percentage by mass: 0.1-1% of pyrethroid, 1-4% of hydrogenated polyisobutene, 0.5-2% of glycolipid, 3-8% of mixed alcohol, 0.1-0.5% of a synergist, 0.05-0.3% of an essence, 30-45% of a propellant and 45-55% of water. The insecticidal aerosol disclosed bythe invention is a thermodynamically stable water-based microemulsion system, has a particle size in a range of 10-100 nm, has transparent appearance, is not layered after being stood for a long time,has good stability, and can be directly sprayed without shaking. In addition, the insecticidal aerosol has an insecticidal effect close to an oil-based product, and has fast killing effects on mosquitoes, flies and cockroaches.

The invention discloses a compressor oil injector having a gas suction function. The compressor oil injector is characterized by comprising a first-stage nozzle, a second-stage nozzle and a low-pressure gas suction inlet, wherein a cavity is formed between the first-stage nozzle and the second-stage nozzle and is communicated with the low-pressure gas suction inlet. High-pressure oil is injected in from the first-stage nozzle, then gas is sucked in from the low-pressure gas suction inlet, and a two-phase oil and gas mixture is formed, injected into the second-stage nozzle and finally injected into a compression cavity. The function of gas suction of the compression cavity is realized, and the efficiency of a compressor is increased.

The invention discloses an ultrasonic fuel excitation device. The ultrasonic fuel excitation device comprises a shell, wherein the shell comprises an outer metal shell and an inner insulating layer, and an inner cavity filled with insulating liquid fuel, at least one fuel inlet and at least one fuel outlet are formed in the shell. The inner cavity of the shell at least comprises an ultrasonic transduction unit, a first electrode conductive connection block, a first conductive screw, a conductive spring, a second electrode conductive connection block and a second conductive screw. According tothe ultrasonic fuel excitation device, the fuel utilization rate can be increased, equipment power is enhanced, fuel is saved, emission of harmful gas is reduced, environment is protected, equipment running noise is reduced, oil paths are cleaned, carbon deposition is reduced, and installation and maintenance are easy. The ultrasonic fuel excitation device can be widely applied to equipment for acquiring energy through various fuels, and has strong adaptability.

The invention relates to a methanol fuel additive for cold plateau region. The additive is prepped by adding 3-20 wt.% of an oxidant hydrogen peroxide with mass concentration of 30%, 1-6% of an antifreeze, 0.2-3% of an antioxidant antigum agent 2,6-butylated hydroxytoluene, 0.05-0.6% of a metal passivator N,N-bis(salicylidene)-1,2-propanediamine, 0.008-0.06% of a detergent dispersant, 1-6% of a preservative and 1-20% of a emulsifier into 10-83.742% of aqueous solution, mixing evenly by pump circulation, then successively adding 3-20% of naphtha, 3-10% of toluene, 2-10% of xylene, 2-10% of C5H12-C7H16 in weight ratio of 1:1, and mixing homogeneously by pump circulation. At the same time, the invention also discloses a ratio and a preparation method of a methanol fuel containing the methanol fuel additive for cold plateau region. The methanol fuel additive for cold plateau region provided by the invention has good and stable performance, and solves the problems of low temperature fluidity, high altitude hypoxia burning property, low sulfur, low nitrogen and dynamic stability.

The invention discloses bait for explosive hook and relates to the technical field of bait preparation. Raw materials of the invention comprise, by weight, 8 to 12 parts of bean cake powder, 16 to 22parts of crushed corn dregs, 30 to 50 parts of corn flour, 25 to 40 parts of broad bean powder, 8 to 12 parts of sesame, 20 to 30 parts of millet, 20 to 35 parts ofvinasse, 7 to 10 parts of bran seed,30 to 55 parts of fresh corn kernel and 6 to 10 parts of perilla seed powder. By utilizing a reasonable ratio and preparation method, the bait provided by the invention can satisfy the use requirement of the explosion hook and fish luring function, and solves the problem that the prior bait is easy to spread when throwing or easy to atomize and cannot cover the hook after entering the water.