46results about How to "Reduce residual moisture" patented technology

This invention provides methods and compositions to preserve bioactive materials in a dried foam matrix. Methods provide non-boiling foam generation and penetration of preservative agents at temperatures near the phase transition temperature of the membranes.

The invention relates to non deep-fried instant noodles and a preparation method thereof. The non deep-fried instant noodles adopt a one-piece structure that an upper layer is a seasoning block and a lower layer is a cake. Cooked noodles and dishes processed in kitchens are integrated, and a vacuum freeze drying technique is used wholly, so that novel non deep-fried instant noodles are prepared. The non deep-fried instant noodles have the advantages that the non deep-fried instant noodles are low in fat, rapid in rehydration, good in soup sucking properties and pure and delicious in flavor, have the feel of conditioning in family kitchens, and can well reserve original nutrient components. Besides, the noodles and the dishes are integrated together to process a noodle product in a container, and the non deep-fried instant noodles can be eaten when being brewed with boiling water for 3min, so that the non deep-fried instant noodles are convenient and rapid, and tedious steps that when conventional instant noodles are brewed, material bags of seasoning powder bags, sauce bags, vegetable bags and the like need to be tore are omitted, and the non deep-fried instant noodles are time-saving, bag-material-saving, environmental-friendly and healthy.

The invention provides a novel nedaplatin-containing freeze-drying composition as well as an application and preparation method thereof. The nedaplatin-containing freeze-drying composition provided by the invention has the advantages of attractive product appearance and low residual water content. The preparation method of nedaplatin-containing freeze-drying powder provided by the invention has the advantages that time consumption is little, industrialization is easily carried out and few relevant substances in the preparation process are generated. The nedaplatin-containing freeze-drying composition provided by the invention is prepared by freezing and drying a water solution of nedaplatin and dextranum-40 in the mass ratio of 1:3, wherein the water solution contains 1-5% of tertiary butanol according to the volume percentage.

The invention belongs to the technical field of medicines, and in particular relates to a lyophilized composition for injection containing thymalfasin and a preparation method thereof. By changing the preparation process of the lyophilized composition for injection containing thymalfasin, the lyophilized composition for injection containing thymalfasin higher in stability and quality can be obtained. Meanwhile, the condition that concentration of a pH adjustor is locally overhigh with a short time in the process of dissolving the liquid of auxiliary materials and thymalfasin is avoided. The lyophilized composition for injection containing thymalfasin provided by the invention has the advantages of high reliability in quality, easiness in industrialized production, energy saving and the like.

The invention relates to an instant noodle seasoning block and a preparation method thereof. The preparation method of the instant noodle seasoning block comprises the following steps of (1) pretreating raw materials: cleaning the raw materials, and cutting the cleaned raw materials for standby application; (2) performing stir-frying: heating vegetable oil to 138-162 DEG C, stir-frying the cut raw materials for 10-30min with the heated vegetable oil, and cooling the stir-fried materials; and (3) performing vacuum freeze drying, and performing packaging. According to the instant noodle seasoning block and the preparation method thereof disclosed by the invention, the instant noodle seasoning block made from dishes processed in kitchens through a freeze drying technique has the advantages of being natural, pure and delicious in flavor, having household kitchen conditioning sense, being capable of well reserving original nutrient components and the like; besides, nutrient components are integrated together to be processed into a whole seasoning block, the instant noodle seasoning block can be eaten after being brewed in boiling water for 3 minutes, which is convenient and swift, and the defect that a plurality of material packets of a powder packet, a paste packet, a vegetable packet and the like need to be torn when conventional instant noodles are brewed is overcome, so that time is saved, packet materials are saved, and the instant noodle seasoning block is environmentally friendly.

The invention discloses a preparation method of dendrobium instant freeze-dried blocks. The preparation method comprises the following steps: (1) cleaning and cutting fresh dendrobium raw materials into sections; (2) performing high-speed wall breaking; (3) performing centrifugal filtration; (4) performing high-speed dispersion; (5) carrying out high-pressure homogenization; (6) adding a freeze-drying protective agent; (7) performing freeze drying; and (8) performing packaging. According to the invention, an excipient is added, so that a porous structure of the product is kept, and the dendrobium instant freeze-dried block has better redissolution, instant dissolution, uniform dispersion and smooth taste, has the characteristics of long quality guarantee period, good quality, redissolutionat low temperature and convenience in carrying, and has a wide market application prospect.

The invention discloses a method for laying the bottom of a prefabricated block ladle by using small building blocks. The method comprises the following steps of: vertically laying the bottom with small upright prefabricated blocks after an inner lining of the wall of the ladle is laid; reserving a gap of 40 to 50mm between the periphery of the bottom and the wall; and filling the gap with corundum-spinel castable and laying two layers of bricks along an annular joint of the bottom and the wall after the bottom is laid. The method has the advantages that: 1, the upright small prefabricated blocks are fired at high temperature, have high strength and low residual moisture, are suitable for rapid baking and quicken the turnover of the ladle; 2, because the bottom of the ladle is formed by laying a plurality of upright small fabricated blocks, the thermal stress can be uniformly dispersed during use and the bottom of the ladle has high high-temperature volumetric stability; 3, a comprehensive laying process is flexibly used to prolong the comprehensive ladle life of the ladle; 4, the bottom of the ladle is convenient to disassemble and maintain, and partial maintenance or replacement is realized; and 5, the use safety of the ladle is improved and a steel drilling accident of the bottom is prevented.

The invention relates to drying for medical instruments, in particular to drying equipment for medical instruments in the emergency department. According to the drying equipment for medical instruments in the emergency department, rapid drying is achieved within a short time, and little water is left. According to the technical scheme, the drying equipment for medical instruments in the emergency department comprises a support, an outer box, a drying mechanism and an opening and closing mechanism; and the outer box is arranged on the top of the support, the drying mechanism is arranged on the upper portion of the inner side of the outer box, and the opening and closing mechanism is arranged on the front side of the outer box. According to the drying equipment, the effects of rapid drying in a short time and little residual water are achieved; and according to the drying equipment, a placing table is close to a heating pipe, under the blowing action of a fan, hot air emitted by the heating pipe is fully emitted to the inner side of the outer box, under the condition, water on medical instruments is dried, and the effect of little residual water is achieved.

The invention relates to lithium ion battery negative electrode slurry as well as a preparation method and application thereof. According to the lithium ion battery negative electrode slurry, a specific raw material ratio is adopted, any one or a combination of at least two of N-methyl pyrrolidone, N, N-dimethylformamide and acetamide is adopted as a solvent, and oxalic acid and/or citric acid is/are adopted as an additive; the moisture content of a negative pole piece prepared from the slurry is extremely low; after a battery is assembled, the internal moisture content of the battery is reduced, so that the decomposition of LiPF6 in electrolyte is reduced; meanwhile, by adopting the negative electrode slurry disclosed by the invention, the bonding strength between a negative electrode active substance and a copper foil can be improved, so that the electrical property of the lithium ion battery after high-temperature storage is improved; and the preparation process of the lithium ion battery negative electrode slurry has a large preparation process window, and hard carbon, graphite, lithium titanate or soft carbon can be adopted as a negative electrode active substance.

The present invention relates to a toothbrush bristle having water-repellent properties and to a toothbrush comprising same. A toothbrush bristle comprising a water-repellent component, and preferably a perfluorocarbon, has water-repellent properties whereby water absorbency is markedly reduced, and thus can suppress the ability of microbes to propagate and consequently can prevent microbial infection within the mouth as not only is there a substantial reduction in the amount of water remaining in the toothbrush bristles but also there is a very fast water evaporation rate after tooth brushing. Also, the present invention provides a water-repellent toothbrush comprising such water-repellent toothbrush bristles.

The invention relates to the technical field of steaming and stir-frying pans, and discloses a steaming and frying pan with waste heat recovery function for tea oil processing, which comprises a steaming and stir-frying box, the top of the steaming and stir-frying box is open, four corners of the outer box bottom of the steaming and stir-frying box are fixedly connected with support legs, and oneside of the steaming and stir-frying box is fixedly communicated with a water inlet pipe; the side, away from the water inlet pipe, of the steaming and frying box fixedly communicates with a water outlet pipe, a valve is installed on the water outlet pipe, the top of the steaming and frying box is connected with a box cover through a hasp, and a steaming and frying mechanism is connected into thesteaming and frying box and comprises a driving motor, a threaded sleeve, a threaded rod, a heating plate, a heating coil, a connecting plate and a plurality of steaming holes; wherein the drive motoris connected to the bottom of the steaming and frying box, and the threaded sleeve is connected to the output end of the drive motor and rotationally connected to the bottom of the steaming and frying box through a sealed bearing. According to the invention, the tea oilseeds can be steamed and stir-fried, so that the residual moisture of the tea oilseeds is less while the tea oilseeds are rapidlyheated, and subsequent processing is facilitated.

The invention belongs to the technical field of cobalt powder preparation, and discloses a low-chloride-ion washing method for cobalt carbonate, which comprises the following steps of: S1, preparing cobalt carbonate slurry; S2, pumping the cobalt carbonate slurry into two-in-one washing equipment, carrying out air filter pressing, and removing mother liquor to obtain a cobalt carbonate filter material; S3, adding water into the cobalt carbonate filter material, stirring, and stirring and washing to obtain a cobalt carbonate wet material; and S4, centrifugally washing and dewatering the cobalt carbonate wet material, and then drying the cobalt carbonate wet material to obtain cobalt carbonate. Through detection, the chlorine content in the cobalt carbonate prepared by the method disclosed by the invention is less than 50ppm, and about 33m<3> of water is consumed for washing each ton of cobalt metal.

The invention provides daptomycin for injection and a preparation method thereof. The daptomycin for injection is prepared by sequentially separating and purifying through ion exchange resin, macroporous adsorption resin, polymer resin and C18 resin, and then crystallizing, redissolving, desalting and carrying out a specific freeze-drying process. The prepared product is high in purity, full in appearance, free of shrinkage and bubbling, porous, high in redissolving speed, low in residual moisture and light in color, and the content, clarity and stability are greatly improved. The quality and the stability of the product are far higher than those of the currently produced product, and the safety of clinical medication is improved. The preparation method is simple in process and more beneficial to industrial production, and has important theoretical significance and application value for production and clinical application of daptomycin for injection.

The invention discloses a medicine drying device with drying speed improved. The medicine drying device comprises a shell; a storage box is arranged inside the shell; the two sides of the storage boxare movably connected with the inner wall of the shell through movable shafts; a drainage mechanism is arranged at the top of the shell; one side of the storage box is movably connected with a first moving rod; the end, away from the storage box, of the moving rod is fixedly connected with a circular ring; the circular ring is arranged on the outer surface of a first rotating rod in a sleeving mode; the first rotating rod is fixedly connected with a first rotating shaft; a plurality of first supporting rods are fixedly connected to the side wall of the first rotating shaft; the end, away fromthe first rotating shaft, of the first supporting rod is in contact with the inner wall of the limiting ring; the end, far away from the first rotating rod, of the first rotating shaft is connected with the output end of a first motor; the bottom of the shell is provided with an air guide mechanism; and a heater is arranged between the air guide mechanism and the storage box. The device has the advantages that medicine can be quickly dried, water in the medicine can be completely removed, and the drying efficiency is improved.

The invention discloses a processing process for preparing a refrigerator vacuum heat-insulating plate by a new drying method. According to the process, a high-efficiency adsorbent material is added,and the residual water after vacuumizing is absorbed by a chemical adsorption mode; meanwhile, the vacuumizing mode and the environment of the process are controlled, so that the aim of not drying a core material in advance is fulfilled; and the material used by the invention adopts the adsorbent which takes calcium oxide and calcium hydroxide as raw materials, and in the calcium oxide obtained through pretreatment and high-temperature calcination, the purity is higher, the mesh number is larger, the specific surface area can reach to more than 20 m<2>/g, and the water-absorbing rate of the adsorbent is 4 to 5 times higher than that of the ordinary adsorbent. After the vacuum heat-insulating plate is manufactured, the residual water inside can be absorbed rapidly through the high-speed water-absorbing capability of the adsorbent, so that the production links of the vacuum heat-insulating plate are reduced and efficiency is improved.