61results about How to "Production process specification" patented technology

The invention provides biodegradable polyurethane with an amino on the side chain and a preparation method and application thereof, belonging to the field of biomedical materials. Polyurethane is formed by a soft segment and a hard segment, wherein the soft segment is biodegradable polyester diol or biodegradable polyether diol; the hard segment is formed by aliphatic diisocyanate and a chain extender; and the hard segment is provided with the free or protected amino. The biodegradable polyurethane serves as a drug carrier, can wrap drug molecules to form drug carrying microspheres in the nanometer or micrometer scale and can be used for bonding drug molecules, fluorescent molecules and targeted molecules to prepare polyurethane bonded drugs, polyurethane fluorescent probes or polyurethane targeting carriers.

The present invention provides particles comprising chitosan, or a derivative thereof, useful as delivery vehicles for polynucleotides encoding polypeptides, compositions comprising such particles and a pharmaceutically acceptable carrier, and methods for delivering polynucleotides using such particles. Optionally, the particles of the invention further comprise a lipid component. The present invention further provides a method for enhancing interferon-gamma expression to regulate the production of cytokines secreted by T-helper type 2 (Th2) cells within a subject by administering an effective amount of a particle of the subject invention to the subject, wherein the particle comprises a polynucleotide encoding interferon-gamma.

The invention provides a detection method of film layer thickness. By using illuminating light to illuminate a film layer to be detected, scattering light formed by scattering the film layer to be detected is acquired, a spectrogram is obtained according to the acquired scattering light, parameter information of a characteristic peak of the film layer to be detected can be obtained from the spectrogram, and thus the thickness of the film layer to be detected is determined through the parameter information. In this way, the thickness of the film layer to be detected can be automatically detected, repeated manual detection and repeated adjustment are not needed, time and labor are saved, the detection method is convenient to operate, the production cost is lowered, the capacity is improved,and a production technology is normalized.

A process for preparing the quickly frozen stuffed double-layered lotus root slice includes such steps as slicing lotus root, preparing the stuffing from vegetables and meat, preparing paste from starch, filling stuffing between two lotus root slices, pre-steaming, coating paste, frying in hot oil, quick freezing and packing. It has unique taste and rich nutrients.

The invention discloses a factory type construction waste resourceful treatment system and a technological process of the factory type construction waste resourceful treat system and belongs to the technical field of construction waste treatment. The factory type construction waste resourceful treatment system comprises a pretreatment unit, a homogenized drying unit and a recycled material processing production unit which are arranged in sequence. The layout of the technical scheme includes that no matter how the specification and the size of the components and the moisture content of the construction waste change, the normal production of three recycled materials of the construction waste resourceful treatment can not be influenced; and no matter how the three recycled materials of the construction waste resourceful treatment are adjusted, combined and changed, the normal production of the construction waste pretreatment can not be influenced. The processing and production of the recycled materials refer to breaking and grinding of the construction waste residue after harmless treatment, stripping of mishmash, homogenization and drying, the moisture content of the construction residue can be basically controlled below 6%, and therefore smooth production can be achieved.

The invention discloses a method for constructing a food safety risk early warning system. The method includes the following steps of developing software, conducting statistic analysis and detecting representative products. According to the method, a food safety dynamic risk management and dynamic supervision mode is established, accurate data support is supplied to relevant food organizations to conduct supervision, for food safety monitoring projects, response can be quickly made to various food hazards which constantly occur, corresponding effective measures are taken, life health safety of people is protected, indirect economic benefits are complementary, therefore, the food safety risks of enterprises are reduced, the fraction defective is reduced, production of distinctive agricultural products is standardized, and the method has very important economic and social benefits.

The invention discloses a production process of a buried gas PE pipe, and the production process comprises the following steps: (1) compounding, to be more specific, selecting PE resin powder, a claynano composite material, a flame retardant, polyethylene wax, an antistatic agent, a low temperature resistant plasticizer and a coupling agent; (2) drying mixing, to be more specific, placing the selected raw materials in a dry mixer for drying and stirring to obtain a dry mixture; (3) extruding, to be more specific, and feeding the dry mixture into an extruder for extrusion; (4) cooling and setting, using a vacuum forming cooler to form and cool the extruded PE pipe under vacuum to obtain a PE base pipe; (5) preparing a wear-resistant layer; and (6) hot pressing, uniformly hot pressing the obtained wear-resistant layer and coating the outer surface of the prepared PE base pipe with the wear-resistant layer to obtain the finished PE pipe. The production process specification has low production cost and less waste, can ensure the quality of the produced product, can improve the impact resistance and wear resistance of the produced product, and increases the service life of the product.

The invention relates to a food processing technique, especially a lees cabbage production technique, comprising the following steps: cleaning Chinese cabbage, blanching the Chinese cabbage in hot water, encasing the blanched Chinese cabbage into a container, uniformly scattering rice wine lees on the Chinese cabbage, capping and marinading, uncapping, detecting and vacuumizing. The food processing technique has features of norm production process and long product keeping time.

The invention discloses a vehicle data file generation method and device, and the method comprises the steps: obtaining a bus matrix and a signal demand table under a set path; reading and analyzing data cells in the bus matrix and the signal demand table one by one to generate an RX table; sorting the RX tables line by line, arranging the signal names under the same message name, grouping according to the Motorola format LSB matrix format and the acquisition frequency, and polling and filling each signal with 64-bit data frames by adopting a greedy algorithm to generate a TX table; accordingto the signal value description attribute of the TX table, setting a type judgment rule to add mode schema information of a signal, and generating a communication matrix in combination with the RX table, the TX table and the schema information; and reading the communication matrix line by line through a DBC conversion program to generate a DBC file. According to the invention, the manpower and time costs of engineers for manufacturing communication matrixes and DBCs are reduced, and great convenience is provided for signal acquisition of automobile big data and subsequent data analysis.

The invention relates to the field of porcine reproductive and respiratory syndrome virus vaccine preparation, in particular to a method for directly culturing a porcine reproductive and respiratory syndrome virus vaccine by using Marc-145 full-suspension cells. The invention discloses a method for domesticating Marc-145 monolayer cells into suspension culture. Full-suspension culture of the Marc-145 cells in a culture medium is achieved, then a porcine reproductive and respiratory syndrome virus is directly inoculated into the Marc-145 suspension cells for culture, culture is enlarged by using a bioreactor, the cultured porcine reproductive and respiratory syndrome virus vaccine is stable in proliferation speed, and the virus content is larger than or equal to 108.5 TCID50; a virus liquidis obtained when the vaccine is cultured until the cytopathy reaches 80% or above, and the vaccine is obtained. According to the method, the porcine reproductive and respiratory syndrome virus is directly inoculated into the Marc-145 suspension cells for domestication and culture, and the stability, continuity and safety of the produced suspension virus are effectively improved; besides, the bioreactor is used for culture enlarging, the virus content of each 0.1 ml is larger than or equal to 108.5 TCID50, and the quality and yield of the porcine reproductive and respiratory syndrome vaccine are further improved.

The invention relates to a method for fully suspended cell culture of an avian influenza (H9) inactivated vaccine. The method comprises the following steps that MDCK monolayer cells are subjected to habituated culture, an avian influenza (H9) inactivated vaccine chick embryo virus is directly inoculated into MDCK suspension cells for culture, enlargement culture is carried out in a bioreactor, an harvested culture is cultured until the proliferation speed of the avian influenza (H9) inactivated vaccine is stable, and the virus content is greater than or equal to 108.5 EID50; when culture is carried out until the cytopathy reaches 80% or above, a virus solution is harvested, and the avian influenza (H9) inactivated vaccine is obtained. The chick embryo virus is directly inoculated into the MDCK suspension cells for habituated culture, which effectively increases the performance stability, continuity and safety of the produced suspended virus, the obtained suspended virus HA is greater than or equal to 1:4096; the virus content per 0.1 ml is greater than or equal to 109.5 EID50, and the virus content per 1 ml is greater than or equal to 109.5TCID50.

The invention discloses a management system for a digital welding workshop. The system comprises an equipment state management module, a quality analysis module, a production scheduling module and a technology assigning module; the quality analysis module analyzes the stability of welds and monitors defects of the welds; the equipment state management module acquires and displays the current working state and the historical working state of equipment; the production scheduling module sequences existing orders and determines the time when each task is conducted; and the technology assigning module assigns manually input technological parameters to the equipment through hardware circuits. Functions and the practicability of the quality analysis module are enriched, and the sequence of workpiece assembly processes is guided by the production scheduling module, so that the process of a processed product from a raw material to the final product is more reasonable and specific; and welding technology parameters are fixed by the technology assigning module, the non-standard operation of manual adjustment is avoided, the digital degree and the production efficiency of the workshop are improved, the production process of the workshop is standard and reasonable, and an administrator manages the workshop conveniently.

The invention belongs to the technical field of vegetable oil composition measurement, and discloses a method of simultaneously measuring maltol contents in edible vegetable oil by gas chromatography.After a sample is spiral shaken with 80% methanol for 10 minutes and then frozen and centrifuged, maltol and ethyl maltol are measured simultaneously by gas chromatography. According to the result, the content of the maltol and the content of the ethyl maltol have a good linear relationship in a range of 0.5 to 30 mug/mL, and linear equations are: Y=1.0833X-0.2058, Y=1.3716X+0.0487, the maltol recovery rate measured in the method is 88.82%, RSD is 5.04%, and the ethyl maltol recovery rate is 86. 56% and RSD is 3.60%. The method disclosed in the invention can be used for detecting maltol and ethyl maltol illegal additives in the edible vegetable oil.

This invention relates to a methane producing device composed of containers of standardized mechanical units composed of a unitized square column methane container, assembling parts on it, a conventional water sealed pressure gas-collecting tank and a corresponding heat-preservation room characterizing that the container and the assembling parts are designed according to standardization and produced mechanically suitable for standardized production and use.

The invention belongs to the technical field of pharmacies, relates to a traditional Chinese medicine raw material extract and an extraction method thereof, particularly relates to a ginkgo leaf extract and an extraction method thereof. The extraction method for the extract comprises the following steps: smashing dried ginkgo leaves with a smashing machine; and performing reflux extraction on thesmashed ginkgo leaves by ethanol to obtain the ginkgo leaf extract. By adopting the extraction method, the effective component content is controlled effectively, the medicinal effect of the medicine is improved.

The invention relates to the technical field of foods, in particular to a preparation method of an antialcoholism product. The antialcoholism product comprises alcohol dehydrogenase and aldehyde dehydrogenase obtained through crushing saccharomyces cerevisiae cells, as well as L-arabinose obtained through fermentation of corn husk enzymatic hydrolysate. The product prepared by the method disclosed by the invention can be made into a product in any forms accepted by bromatology and health-care food science, and the made antialcoholism product has obvious effect of neutralizing the effect of alcoholic drinks.

A preparation method for an aquatic biological display specimen is characterized by comprising the following steps: performing visceral antiseptic treatment on an aquatic biological specimen; cleaningthe aquatic biological specimen subjected to visceral antiseptic treatment; placing the soaked aquatic biological specimen on an organic glass plate, and performing modelling; cleaning the modelled aquatic biological specimen and the organic glass plate by using water, and drying and shaping the cleaned aquatic biological specimen and the organic glass plate; putting the shaped aquatic biologicalspecimen together with the organic glass plate into a clamping groove of an organic glass box, and adding a preservation solution until 90-95% of the volume of the organic glass box is filled; bonding the organic glass box with the added preservation solution and an organic glass base; and injecting a preservation solution through screw holes of the organic glass base into the organic glass box by using a syringe until the remaining space is filled, adding an adhesive at the screw holes, and screwing screws to complete preparation of the display specimen to obtain the neat and completely-displayed specimen.

The invention relates to the technical field of food, in particular to functional blend oil and a preparation method thereof. The functional blend oil is prepared from raw materials including flaxseeds, sesames, sunflower seeds, purple perilla, cinnamon and rosemaries. In the functional blend oil, saturated fatty acid accounts for 3 to 12 percent; monounsaturated fatty acid accounts for 35 to 44 percent; polyunsaturated fatty acid accounts for 44 to 62 percent; Omega 3 polyunsaturated fatty acid accounts for 9 to 15 percent; Omega 6 polyunsaturated fatty acid accounts for 29 to 53 percent. The prepared functional blend oil has mellow smell and is lower in cost; the additional addition of ingredients of antioxidants, preservatives and the like is not needed; the effects of preventing chronic diseases such as cardiovascular diseases, cancer diseases and diabetes are achieved.

The invention belongs to the field of artware manufacturing, and relates to a three-dimensional filigree enamel manufacturing method. The three-dimensional filigree enamel manufacturing method comprises the following steps: 1) a drawing is designed; 2) a three-dimensional master plate is manufactured according to a drawing, and data is acquired to obtain data needed by 3D printing; or modeling data is obtained according to the drawing, and the modeling is performed on a computer; 3) a mold body is manufactured through 3D printing; and filigree areas or pattern edge lines are reserved on the mold body to form recess areas to be blued; and 4) the filigree operation is performed on the filigree parts of the mold body to form recess places; the recess areas formed by the pattern edge lines orthe recess places formed by the filigree operation are blued; and then, sand is fixed. The three-dimensional filigree enamel manufacturing method has the effects of high three-dimensional feeling ofproducts, improvement of the visual effect, improvement of the product grade, standardization of the artware manufacturing flow, reduction of influence on the product effect by human factors and realization of the batch production.