46results about How to "Accelerated sublimation" patented technology

An apparatus and method improves heating of a solid precursor inside a sublimation vessel. In one embodiment, inert, thermally conductive elements are interspersed among units of solid precursor. For example the thermally conductive elements can comprise a powder, beads, rods, fibers, etc. In one arrangement, microwave energy can directly heat the thermally conductive elements.

The invention provides a heatproof lyoprotectant for a live vaccine against pseudorabies. The heatproof lyoprotectant comprises, by weight, 3 to 10 parts of gelatin, 1 to 5 parts of trehalose, 5 to 15 parts of sucrose, 0.1 to 2 parts bovine serum albumin, 1 to 8 parts of tryptone, 2 to 10 parts of enzyme-hydrolyzed casein, 1 to 5 parts of thiourea, 0.8 to 2 parts of L-monosodium glutamate, 0.1 to 3 parts of arginine, 0.5 to 5 parts of polyvinylpyrrolidone (PVP-K30) and 0.1 to 2 parts of mannitol. The invention also discloses a preparation method of the heatproof lyoprotectant and a lyophilized vaccine prepared from the heatproof lyoprotectant. When the heatproof lyoprotectant is used for protecting the vaccine and a specific lyophilization process is employed, lyophilization loss of viruses can be effectively reduced, the temperature tolerance of the viruses can be improved, and the vaccine can still maintain good physical properties and titer after long-term storage; i.e., the vaccine has stable characters and has the characteristics of heat resistance and long storage time.

A freeze-dried block of probiotics and its preparation method, as well as an instant fruit cereal cereal based on the freeze-dried block and its preparation method, mixing white granulated sugar, maltodextrin and pectin and adding it to the saccharified gelatin filled with hot water under stirring In the tank, stir until dissolved to obtain a mixed solution, and homogenize the mixed solution; add the concentrated fruit and vegetable juice diluted to a mass concentration of 20-30% into the homogenized mixed solution, and then add probiotics at room temperature Bacteria powder, stirred evenly, transferred to a mold, freeze-dried in a vacuum freeze dryer after freezing, to obtain freeze-dried blocks of probiotics. A ready-to-eat fruit-cereal cereal was prepared based on the freeze-dried mass. The instant fruit cereal cereal containing active probiotics of the present invention can not only provide balanced nutrition, live probiotics, but also have a very good-looking color, and the whole product has good color, flavor and stability.

The invention relates to a tetramethylpyrazine phosphate liposome drug and a preparation method; wherein, the drug is characterized in that: the effective efficacy components and weight accounts of the liposome drug are as following: a mixture 200 to330 with a weight ratio 4 to 1 of egg yolk lecithin and sheep cerebral lecithin, a mixture 170 to 280 with a weight ratio 3 to 1of stigmasterol and campestrol, reduction glutathione 2.5 to 10, tetramethylpyrazine phosphate 15 to 25, a mixture 720 to 1200 with a weight ratio 1 : 0.01 to 0.05 : 0.02 to 0.07 of tert-butyl alcohol, ethanol, acetone, amixture 140 to 160 with a weight ratio 4:05 to 1 of polyethylene glycol-2000 and tween 801, and hydroxyl propyl methyl cellulose 100 to 120. The invention also provides the preparation method for theliposome drugs. The invention has the advantages of adopting the provided drugs, enabling to decrease the drug dosage by two third and once a day, and improving the efficacy above fifteen percent.

The invention relates to a novel thermal barrier coating preparation process, which comprises the following steps: forming a metal bonded underlayer on the surface of a substrate; forming an in-situ thermally grown oxide layer (TGO); and forming a ceramic heat-insulating surface layer. The TGO layer is pre-grown before the substrate is put into service. The composition of the TGO layer includes alpha-alumina. In the present invention, a layer of dense and continuous TGO layer mainly composed of α-alumina is preset through large-particle dry ice jet purification and roughening treatment and pre-vacuum argon oxidation treatment. The oxide film will have good resistance to high temperature oxidation, prevent rapid oxidation, reduce the growth rate of TGO layer thickness, and achieve the purpose of reducing the occurrence probability of thermal barrier coating peeling.

The invention belongs to the technical filed of material transportation packaging, and particularly discloses a frozen material transportation packaging box. The frozen material transportation packaging box comprises a packaging box body and a frozen module. Sliding grooves are symmetrically formed in the two side walls of the packaging box body, a supporting plate is slidably connected to the twosliding grooves, and cylinders are symmetrically arranged in the sliding grooves. The frozen module comprises two fixed boxes, a water tank and a dry ice bag, the two fixed boxes are symmetrically arranged, one ends of the fixed boxes communicate with the cylinders, racks are arranged in the fixed boxes, first telescopic springs are arranged on the outer parts of the racks, one ends of the racksare fixedly connected with pistons, and the other ends of the racks extend to the outer parts of the fixed boxes and are connected with a gear in a meshing mode; and the bottom of the gear is connected with a first bevel gear through a first rotating shaft, a clutch is arranged on the outer part of the first rotating shaft, and the first bevel gear is connected with a second rotating shaft in a meshing mode through a second bevel gear. A fan is arranged at one end of the second rotating shaft, the second rotating shaft is driven by a motor, the water tank is located at a position below the fixed boxes, and a controller is arranged on the outer part of the packaging box body.