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186results about How to "Little impact on quality" patented technology

Production method for non-oil instant edible fungus chips

The invention discloses a production method for non-oil instant edible fungus chips and belongs to the technical field of agricultural product deep processing. The production method for the edible fungus chips comprises the following steps: selecting, cleaning, precisely cutting, ironing, bleaching, deactivating enzyme and cooling the edible fungus raw materials, and then performing ultrasonic auxiliary dipping, leachating, quick-freezing, vacuum freeze drying, vacuum microwave puffing drying, seasoning and packaging on the pretreated edible fungus raw materials. In the production method, a new process of ultrasonic auxiliary dipping, vacuum freeze drying and follow-up vacuum microwave staged combination drying is adopted, thereby reserving the thermal sensitivity nutritive components andbiological activity functional components of the edible fungus to the largest extent, obviously shortening the drying time and saving the production cost. The product has the characteristics of non-frying property, high puffing rate, attractive color, crisp mouthfeel, and the like, and is natural and environmentally-friendly as well as healthy. Compared with the vacuum freeze drying, the process has the advantages that the production period of the finished product can be greatly shortened, the production cost is saved, the puffing effect of the product is good, the mouthfeel of the product iscrisp and the drying quality of the product is improved. A new practical and feasible way for deep processing of the edible fungus is provided.
Owner:NANJING UNIV OF FINANCE & ECONOMICS +1

Intermediate wave infrared and radio frequency combined drying method suitable for dehydration of large-scale seasoning edible mushrooms

The invention relates to an intermediate wave infrared and radio frequency combined drying method suitable for dehydration of large-scale seasoning edible mushrooms, and belongs to the field of edible mushroom foodstuff processing technology. The method comprises the steps of pre-treating the edible mushrooms (carefully chosen, cleaning, sorting and sharding, blanching for enzyme deactivation at a temperature of 90-100 DEG C), cooling in a seasoning liquid, immersing and draining, pre-dehydrating with the intermediate wave infrared at a temperature of 60-70 DEG C with a wind speed of 1-3 m / s and a radiation distance of 10-18 cm to make moisture content reduced to 30%-60%; then performing radio frequency drying to make the moisture content of the edible mushroom reduced to 8%, wherein plate distance is 20.5 cm; frequency is 27 MHz; power is 6 KW; a material temperature is 50-60 DEG C; and material plates can be arranged in three layers. Problems of difficulty for removing the moisture in a later stage of the intermediate wave infrared drying by employing the intermediate wave infrared and radio frequency combined drying method, because the radio frequency has strong penetrability. The materials during the radio frequency drying process can be placed in a plurality of layers, so that nutrition and shapes of the product can be retained to a large extent; at the same time, drying time is shortened significantly; drying energy consumption is lowered; and cost is reduced.
Owner:JIANGNAN UNIV

Method for preparing high-quality fine granules of energy-containing crystal material

The invention discloses a method for preparing high-quality fine granules of an energy-containing crystal material. In the core content of the method, the power ultrasound technology is introduced in the process of cooling crystallization, and a high-quality fine granular product, which has the average grain diameter of about between 10 and 50 micrometers, of the energy-containing crystal material is prepared by a method of ultrasound cooling crystallization, namely the method comprises the following steps of: (1) dissolving the ordinary energy-containing crystal material in different solvents at high temperature to form saturated crystallization solution; (2) cooling the crystallization solution according to a certain speed, and stirring and performing ultrasound processing; and (3) whenthe temperature of the crystallization solution is close to a given temperature, stopping the ultrasound processing, cooling and stirring, filtering, washing and drying to obtain the high-quality fine granular product of the energy-containing crystal material. In the method of ultrasound cooling crystallization, the high-quality fine granular product of the energy-containing crystal material has few defects and is good in appearance of the granules, high in sphericity and narrow in distribution of granularity, the apparent density of crystals reaches the theoretical density of the crystals ofmore than 99.9 percent, and the sensitivity of impact waves is reduced obviously.
Owner:INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS

Royal jelly digging machine

ActiveCN101502242AReduce the impactImprove nutritional value and shelf lifeHoney collectionManipulatorHand operations
The present invention provides a royal jelly pulp digger which comprises the following components: a revolving conveying mechanism; a first control mechanism which causes the revolving conveying mechanism to do clearance type revolving motion; a second positioning mechanism which positions the platform base strip positioned in the slurry digging area; a second control mechanism which activates the second positioning mechanism; a working head which executes pulp digging to the platform base positioned in the pulp digging area; and a third control mechanism which causes the working to do front-and-after reciprocating motor, the downwards swinging for digging pulp and the upwards swinging restoring relatively to the pulp digging area. The royal jelly pulp digger according to the invention can simulate the artificial pulp digging mode and causes a manipulator to do a plurality of actions of extending, digging, fetching and discharging, etc. with a certain sequence through the control mechanism. The whole machine forms the mechanical and automatic pulp digging operation reassembled to the operations executed by the robot. The efficiency is increased for 30-50 times compared with the artificial operation. The block shape of obtained royal jelly is totally same with that obtained artificially. The effect caused by pulp obtaining to the quality of royal jelly is reduced farthest. The nutrition valve of royal jelly product is increased and the fresh keeping period of royal jelly product is prolonged.
Owner:潘松甫 +1

Method for preparing chip of high-voltage planar fast-recovery diode

The invention provides a method for preparing a chip of a high-voltage planar fast-recovery diode (FRD). The method comprises the following steps: masking a P<-> main junction region window and a terminal potential-dividing ring region window by using photoresist; injecting low-dose boron ions and pushing the junctions at lower temperature at the same time to form low-concentration shallow PN junctions; and further masking the junction terminals of the PN junctions by using a thin oxide layer. By using the method of the invention, both the main junctions and the terminal potential-dividing rings are low-concentration shallow junctions, i.e., the effect of the anode-emitting efficiency technology can be guaranteed; after the terminals of the PN junctions are masked by the thin oxide layer, the influence on leakage caused by mobile platinum atoms can be reduced, and the high yield of the product can be guaranteed; according to the tests, the yield of the chip prepared by the method of the invention is higher than 90%; and for the total content of the mobile platinum atoms in the thin oxide layer for masking the PN junctions is more than 10 times lower than that of a thick oxide layer, the influence caused by platinum diffusion is not significant on the quality of the oxide layer, and the qualification rate is not obviously reduced after the platinum diffusion.
Owner:BEIJING MXTRONICS CORP +1

Preparation method of high-hydrophilicity flame-retardant polyester fiber

The invention relates to a preparation method of high-hydrophilicity flame-retardant polyester fiber, which comprises the steps of (1) enabling a copolymer flame retardant to react with polyalcohol to obtain CEPPA (carboxethyl phenylphosphinic acid)-polyalcohol; (2) enabling hydroxyl-terminated siloxane to react with ethylene glycol in the presence of a catalyst to obtain a hydroxyl-terminated siloxane-ethylene glycol solution; (3) preparing slurry, and adding the prepared slurry into an esterification reaction kettle to perform a first esterification reaction; (4) when the quantity of the collected byproducts reaches 82-95% of the theoretical value, adding polyalcohol, sodium sulfo bis(hydroxyethyl) isophthalate (SIPE) and polyethylene glycol (PEG) to perform a second esterification reaction; (5) after the esterification reaction, adding the products obtained by the steps (1) and (2) into a reaction kettle, and after the condensation polymerization reaction, performing melt spinning to obtain the high-hydrophilicity flame-retardant polyester fiber. The limit oxygen index of the polyester fiber prepared by the method provided by the invention is over 30%, the moisture regain is 0.6-2.0%, and the fiber has relatively high moisture regain and is comfortable to wear.
Owner:DONGHUA UNIV

Design method for refrigerating system of multi-storeroom identical temperature refrigeration houses and refrigerating control method

The invention discloses a design method for a refrigerating system of multi-storeroom identical temperature refrigeration houses and a refrigerating control method and provides a design method capable of reducing one-time investment of the refrigerating system and filling volume of refrigerating fluid and the refrigerating control method. The design method comprises the following steps of respectively calculating cooling equipment loads of n refrigeration houses according to a present refrigeration house heat load calculation method, wherein the loads are fit for the configuration of cooling equipment of n refrigeration houses; on the basis of the loads, multiplying by a correction factor 1.1-1.3, thereby configuring the cooling equipment; fully considering the influences of the season with the highest environmental temperature, the stage with most opening times and the period with the maximal replenishment quantity on the cooling rate of the refrigeration houses, and configuring a compressing condensing unit according to the refrigerating capacity of the cooling equipment of the biggest refrigeration house. According to the method provided by the invention, one-time investment of the refrigerating system is greatly reduced and the investments in building and electric equipment are also reduced; the size of the refrigerating system of a large-size refrigeration house can be reduced; the filling volume of the refrigerant is less; the potential safety hazard and the one-time investment in the refrigerant are reduced.
Owner:TIANJIN UNIV OF COMMERCE

Miniature high-current neutron generator

The invention provides a miniature high-current neutron generator. A three-electrode or four-electrode leading-out acceleration structure is employed. When the three-electrode leading-out accelerationstructure is employed, the neutron generator comprises an ion source, a plasma electrode, a vacuum cavity, a suppression electrode, a target electrode, a high-voltage feeding mechanism and a collimator, wherein the vacuum cavity is coaxially connected with the ion source and the plasma body, the suppression electrode and the target electrode are contained in the vacuum cavity, the high-voltage feeding mechanism is connected with the vacuum cavity, the collimator is embedded to a rear end cover of the vacuum cavity, the ion source, the plasma electrode and the vacuum cavity are connected withground, the suppression electrode and the target electrode are connected with negative high pressure, and the suppression electrode is arranged at negative bias relative to the target electrode. Whenthe four-electrode leading-out acceleration structure is employed, the neutron generator also comprises a leading-out electrode, the leading-out electrode is contained in the vacuum cavity, the voltage of the leading-out electrode is arranged between ground potential and negative high pressure of the target electrode, the target electrode is of a V-shaped structure, and a hot pipe or a fine passage mode is used for cooling. By the neutron generator, high-throughput and high-quality neutron beam conforming to demand can be provided for a mobile neutron camera device, a neutron treatment deviceand the like.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI

Transportation protection device

The invention discloses a transportation protection device, and belongs to the technical field of food transportation equipment. The transportation protection device comprises eight sets of right-angled clamping plates which are symmetrically arranged in a cube shape; and an X-axis mounting seat is mounted on the right side of the outer wall of each right-angled clamping plate, a Y-axis mounting seat is mounted on the rear side of the outer wall of each right-angled clamping plate, a Z-axis connecting seat is mounted at the top corner of each right-angled clamping plate, an X-axis telescopic rod is transversely mounted between every two sets of X-axis mounting seats, and a Y-axis telescopic rod is longitudinally mounted between every two sets of Y-axis mounting seats. According to the transportation protection device, the fixing range of the eight sets of right-angled clamping plates can be adjusted according to the number of the loaded food packing boxes, thus the phenomenon of a gapbetween the quick-frozen food packing boxes due to loading and unloading in the transportation process is reduced, shaking of the quick-frozen food packing boxes in the transportation process is reduced, and damage to quick-frozen food or the influence to the quality of the quick-frozen food due to shaking is further reduced.
Owner:灌云县三星食品有限公司

Enzyme-process extraction technology for chitin

The invention belongs to the technical field of natural product separation extraction, and concretely discloses an enzyme-process extraction technology for chitin. The technology comprises the following steps: drying and crushing recovered shrimp and crab shells for usage; adding water with the amount being 6 times by weight of the shrimp and crab powder, performing ultrasonic processing, and standing for swelling; then adding compound-enzyme hydrolyzed protein according to 2-5% of the weight of the shrimp and crab powder, and performing coarse filtration, centrifugal separation and fine filtration, so as to obtain a clean shell powder; and adding a citric acid solution into the obtained clean shell powder for immersing and removing calcium, and performing filtration, cleaning and drying, so as to obtain the chitin product. The compound enzyme is composed of the following compositions in parts by weight: 3-10 parts of trypsin, 10-12 parts of papain, 5-8 parts of alkali protease and 20-30 parts of bacillus subtilis protease. Through ultrasonic pretreatment and proportioning of specific proteases, the protein recovery rate is improved, produced chitin is high in quality, the usage amount of an acid solution in subsequent process of performing acid processing on chitin is substantially reduced, and comprehensive utilization of resource is facilitated.
Owner:林康艺

High-hydrophilic flame-retardant polyester and preparation method thereof

The invention relates to high-hydrophilic flame-retardant polyester and a preparation method thereof. The flame-retardant polyester comprises terephthalic acid, polyatomic alcohol, a copolymerization fire retardant and hydroxyl-terminated siloxane. The preparation method comprises the steps as follows: 1), the copolymerization fire retardant is reacted with the polyatomic alcohol, so that a reaction product CEPPA-polyatomic alcohol is obtained; 2), the hydroxyl-terminated siloxane is reacted with ethylene glycol under the effect of a catalyst, so that a hydroxyl-terminated siloxane-ethylene glycol solution is obtained; 3), a slurry is prepared, and the prepared slurry is added to an esterification reaction kettle for first esterification reaction; 4), when the collection amount of a by-product reaches 82%-95% of a theoretical value, the polyatomic alcohol, 5-sodium sulfo bis(-hydroxyethyl) isophthalate (SIPE) and PEG (polyethylene glycol) are added, and second esterification reaction is performed; and 5), after the esterification reaction, products obtained in the step 1) and the step 2) are added to the reaction kettle, and condensation polymerization is performed, so that the high-hydrophilic flame-retardant polyester is obtained. The high-hydrophilic flame-retardant polyester has a higher flame-retardant function and a higher hydrophilic function.
Owner:POLY PLASTIC MASTERBATCH SUZHOU

Method for storing and preserving fruits and vegetables

The present invention belongs to the technical field of fruit and vegetable preservation and particularly discloses a method for storing and preserving fruits and vegetables. The method comprises thefollowing steps: (1) picked fresh fruits and vegetables are sorted and graded, then the sorted and graded fruits and vegetables are separately placed in slightly acid electrolyzed water for ultrasonicwashing, wherein the washing temperature is set at 35-50 DEG C, the time is 8-10 min, and the power is 500-600 W, and then the fruits and vegetables are taken out to be drained; (2) the drained fruits and vegetables are placed in a low-voltage electrostatic field device, wherein the stacking height of the fruits and vegetables is 1-3 layers, and the fruits and vegetables are treated in an electric field with an output voltage of 2.5 kV/m and a current of 0.2 mA for 120-180 min; and (3) the fruits and vegetables treated by the electric field are soaked in film coating liquid for film coating treatment, after drying, the fruits and vegetables are packaged by using foam boxes, and finally the fruits and vegetables are cold-stored in a cold storage at 10-12 DEG C under a low pressure condition of 10-20 kPa. The method can effectively prolong a preservation period of the fruits and vegetables, maintains nutritional flavor of the fruits and vegetables, and is high in application value.
Owner:唐秀廷

Discharging control device and method of disk filter

The invention relates to the technical field of discharging control of filters and discloses a discharging control device and method for a disk filter. The device adopted in the method comprises signal transmitters, a signal receiver, a control processor, an executing mechanism, an air blowing system and a vacuum system. The signal transmitting end of the control processor is connected with the signal transmitters evenly distributed on sector plates on the circumference of a main shaft of the disk filter, the signal receiving end of the control processor is connected with the signal receiver corresponding to the sector plates on the circumference of the main shaft of the disc filter, and the output end of the control processor is connected with the air blowing system and vacuum system through the executing mechanism. By means of the discharging control device and method for the disk filter, the filter can be always in a filter stage with a protection layer in the working process and can be started in due time to blow air for discharging, the influence on the quality of filter liquor is reduced, the problem of capacity drop caused by compactness of filter cakes in the discharging process of scrapers is solved, abrasion to filter cloth is relieved, running energy loss is reduced, and the service life is prolonged. Besides, the filter is capable of running automatically, free of maintenance and stable in running.
Owner:CITIC HEAVY INDUSTRIES CO LTD

Efficient seismic interpretation method through multi-window continuous sections

The invention relates to an efficient seismic interpretation method through multi-window continuous sections. The method includes 1, fault interpretation, namely analyzing a planar structural pattern on coherence time slices, determining the corresponded section structural pattern on the sections, and considering the fault combination, observing the situation of a target fault on a first interpretation channel section, opening the section of the next interpretation channel, comparing the content, opening the isochronal coherence slices at the head and tail of the fault, confirming the connection relationship of the target fault and an adjacent fault, controlling the direction of the fault, and implementing the fault interpretation on the section; 2, horizon interpretation, namely avoiding the fault and establishing a backbone section on a time slice adjacent to a target horizon, interpreting the backbone section, opening the interpretation channel sections of two adjacent main lines, opening the interpretation channel sections of two adjacent cross lines at one end, and repeating the steps until the horizon interpretation of the region between the two main lines is completed. By the aid of the method, the accuracy of seismic data interpretation and interpretation efficiency can be improved.
Owner:NORTHEAST GASOLINEEUM UNIV
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