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92results about How to "Operational science" patented technology

Automobile driving environment detecting device and working process thereof

The invention relates to an automobile driving environment detecting device, comprising a radar module, a shooting module and a central control module, wherein the radar module is used for forming a simulative image; the shooting module is used for forming an actual image; and the central control unit is used for processing the simulative image and the actual image, and outputting a working image formed by the simulative image and the actual image. The invention provides the automobile environment detecting device and a working process thereof, which use a modularization design principle, a combined control manner and an intelligent control means.
Owner:扬州欧拉工业设计有限公司

Dyeing rack for tatting yarn, zippers, ropes, ribbons and loose fibers of loading needles of dyeing machine

The invention discloses a dyeing rack for tatting yarn, zippers, ropes, ribbons and loose fibers of loading needles of a dyeing machine. The dyeing rack for tatting the yarn, the zippers, the ropes, the ribbons and the loose fibers of the loading needles of the dyeing machine comprises a yarn plate, a suspender and a yarn rod. The upper surface of the yarn plate is in a disc shape. The lower end of the yarn plate is in a cavity structure. A center seat of the dyeing machine is connected with the bottom of the lower end of the yarn plate. A yarn plate water outlet, a yarn plate water return hole and a suspender hole seat are formed in the upper surface of the yarn plate. The suspender hole seat is arranged at the center of the yarn plate. A suspender is fixedly installed in the suspender hole seat. The bottom of the yarn rod is fixed on the yarn plate water outlet of the upper surface of the yarn plate. The yarn rod is in a solid structure or a hollow structure. A gap is reserved between a to-be-dyed object and the yarn rod. Dye liquor flows out of the yarn plate water outlet hole of the bottom of the yarn rod and fills the gap to form a hollow water column. The dye liquor permeates the to-be-dyed object through flowing of the hollow water column. The dye liquor permeated from the to-be-dyed object flows into the yarn plate water return hole. A bolt at the upper end of the yarn rod is provided with a gravity tapered end. The dyeing rack for tatting the yarn, the zippers, the ropes, the ribbons and the loose fibers of the loading needles of the dyeing machine is simple in structure, capable of reducing consumption of dye, auxiliaries, energy sources and water resources, and capable of improving dyeing efficiency.
Owner:GUANGZHOU GAOSHENG DYEING & FINISHING EQUIPCO

Method for improving seed production yield of common head cabbage sterile line

The invention relates to a method for improving the seed production yield of a plant, particularly relates to a method for improving the seed production yield of a common head cabbage sterile line, and belongs to the technical field of plant cultivation. According to the method, seed sprouting and poikilothermic treatment are adopted, and the root tips of main roots are cut off; tray-soilless seedling is also adopted, an open rectangular container is used for cultivation and water storage, and the moisture of a substrate is adjusted to keep the substrate wet, so that the mode is more uniform and practical compared with water spraying, and water is not gathered on the surface of a plant; meanwhile, by virtue of the cooperative use of a nutrient solution, healthy growth of seedlings is promoted, and the seedlings are full and strong, so that sowed common head cabbage seedlings have short main roots and a large number of fibrous roots, have a high survival speed after being transplanted, grow well, and are high in disease resistance and high in stress resistance; by virtue of scientific large-field management, parent flower section regulation, parent interaction plantation and density regulation, the seed production yield of the common head cabbage sterile line can be improved by about 35 percent compared with the prior art. The method is easy to operate, short in time, high in efficiency, and more standard and more scientific in operation. Thus, the method has a popularization value in production definitely.
Owner:江苏翰雅生态农业(集团)有限公司

Preparation method for oxidized graphene/water-soluble polyurethane composite material

The invention belongs to the technical field of composite material preparation and relates to a preparation method for an oxidized graphene / water-soluble polyurethane composite material. The preparation method for the oxidized graphene / water-soluble polyurethane composite material particularly comprises a graphite powder pre-treatment process, an oxidation treatment process, a post-treatment process and a moulding and measuring process. The preparation method for the oxidized graphene / water-soluble polyurethane composite material uses a physical blending method to perform the preparation of the oxidized graphene / water-soluble polyurethane composite material, the processes are simple, the cost is low, the controllability is strong, the preparation method for the oxidized graphene / water-soluble polyurethane composite material is suitable for large-scale industrial production, the prepared oxidized graphene / water-soluble polyurethane composite material is good in tensile strength and stretching strength, nanocomposite prepared by the preparation method for the oxidized graphene / water-soluble polyurethane composite material can be applied to the fields of engineering materials and special fiber, and a good application prospect is achieved; the preparation method for the oxidized graphene / water-soluble polyurethane composite material is novel in design, scientific in theory, simple in processes, simple in operation, high in preparation efficiency and good in finished product strength.
Owner:青岛华高烯暖新材料科技有限公司

Alarm clock control method, device and terminal

The invention provides an alarm clock control method, a device and a terminal, being applicable to the electronic field. The method comprises the following steps: an alarm clock begins alarming while reaching a preset alarming time; an alarm clock closure instruction transmitted by a user is detected; a verification question necessary for closing the alarm clock is generated; a verification answer input by the user is received; and when the verification answer input by the user is judged as being correct, the alarm clock is closed. According to the alarm clock control method, aiming at a conventional alarm clock technique, the distinguishing degree of two actions, namely, sleeping for a little while more and closing the alarm clock, is increased, so that the operation is more scientific and humanized; if the user wants to sleep more, the alarm clock stops alarming through simple operation at a touch range of a large area, and after the corresponding time, the alarm clock alarms again; and if the user decides to get up, the user needs to think and operate further so as to close the alarm clock, then the user can weak up indeed.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Sample preparation treatment method for excrement and soil metabonomics study

The invention discloses a sample preparation treatment method for excrement and soil metabonomics study. The sample preparation treatment method comprises the following steps: pretreating a sample to obtain first suspension; adding a steel ball and shaking, breaking and extracting to obtain the broken first suspension; performing ultrasonic treatment; centrifuging; collecting first supernate and precipitate; concentrating the first supernate until the first supernate is nearly dry; adding water-soluble re-dissolution liquid and a steel ball, and shaking for re-dissolution; centrifuging at a high speed, wherein obtained second supernate is a water-soluble metabolism extract which can be analyzed directly on a machine; adding a fat-soluble metabolite extracting solution into the collected precipitate, and mixing uniformly to obtain second suspension; shaking, breaking and extracting; performing ultrasonic treatment; centrifuging; collecting a lower-layer solution; blowing to dry the obtained lower-layer solution through a nitrogen blowing way; adding fat-soluble re-dissolution liquid and a steel ball, and shaking for re-dissolution; centrifuging at a high speed, wherein an obtained product is a fat-soluble metabolism extract which can be analyzed directly on the machine. The method disclosed by the invention has the advantages of simple operation, strong stability, comprehensiveness and high recovery rate, and is of great significance to extensive related studies of excrement and soil metabonomics.
Owner:赛思莱(厦门)科技有限公司

Method for separating and extracting alfapsin

The invention discloses a method for separating and extracting chymotrypsin, comprising the following steps of: pulverizing and filtering beef pancreas gland and extracting a filtrate; removing hetero-protein from the filtrate, and refining and concentrating the filtrate; adding ammonium sulphate and regulating pH value with sodium hydroxide for culture to separate chymotrypsinogen by crystallization; carrying out extraction and filtration to the culture to extract chymotrypsinogen; recycling the extracting and the filtering liquid of the culture for later use; adding trypsinase to activate zymohydrolysis; and obtaining a first semi-finished product solution after filtering; filling chromatographic column with CM-sopharose FF gel medium; balancing the chromatographic column with acetic acid buffer solution; then loading the extracting and filtering liquid of the culture after balancing; washing the column with balancing liquid until effluent liquid OD(280) value is less than 0.1; eluting the column with monosodium orthophosphate -disodium hydrogen phosphate buffer liquid; and collecting the eluting peak to obtain a solution which is a second semi-finished product; mixing the first semi-finished product with the second semi-finished product; subjecting the mixture to desalting and concentration, aseptic filtration and freeze vacuum drying; and obtaining the finished product of chymotrypsin. The method solves the problems of expensive affinity chromatography medium and less times of repeated use, and is applicable for large scale production.
Owner:BEIJING GEYUANTIANRUN BIOTECH

Method for making juicy peach wine

PendingCN108485864AReduce usageThe deployment method is safe and reliableAlcoholic beverage preparationYeastFlavor
The invention belongs to the field of deep processing of agricultural products and particularly relates to a method for making juicy peach wine in south of the Yangtze River. The process comprises thefollowing steps: picking juicy peaches, cleaning and screening with ozone, removing seeds, crushing, juicing, pre-treating fruit juice, fermenting and the like, so as to obtain the health care type juicy peach wine. The usage of yeasts is 0.2-0.4g / L of fruit juice, the PMS addition amount is 45-55mg / L of fruit juice, a main fermentation temperature is 16-18 DEG C, the fermented pH value is 3.2-3.8, the fermentation time is 8-14 days, the aging temperature is 2-4 DEG C, and the aging time is 12-16 days. When the juicy peach wine is made under the conditions, juicy peach wine with excellent color and good flavor can be obtained. On the basis, juicy peach wine with various flavors such as dry type, half-sweet type, sweet type and the like can be developed, and requirements of different consumers on different types of juicy peach wine are met. The method is scientific in process, and high-quality and safe products can be ensured.
Owner:马鞍山仙果酒业有限公司

Anti-rotation implant device

The invention discloses an anti-rotation implant device which comprises an implant, an abutment and a central bolt. The anti-rotation implant device is characterized in that the implant comprises a gum penetrating neck and a head; a thread is arranged on the outer surface of the head; at least two helical self-tapping grooves are formed in the outer surface of the head; connecting holes are formed in the implant and are a positioning hole and a threaded blind hole which are coaxially connected in sequence; at least two positioning embossments are arranged on the upper end surface of the implant body; the abutment comprises a dental crown connecting section and an implant connecting section; an annular positioning table is arranged between the dental crown connecting section and the implant connecting section; positioning grooves matched with the positioning embossments are formed in the annular positioning table; a ladder hole matched with the central bolt is formed in the abutment; the central bolt penetrates through the ladder hole to be connected with the threaded blind hole so as to fix the abutment to the implant. According to the anti-rotation implant device, the positioning embossments on the upper end surface of the implant are matched with the annular positioning table on the abutment, so that a relatively large rotary torque can be born, connection is relatively firm, and the service life is prolonged.
Owner:DALIAN SANSHENG SCI & TECH DEV

Spheroid self-generating field driven intelligent material soft robot and preparation method thereof

ActiveCN111805527ARealize editingAchieve directional magnetizationProgramme-controlled manipulatorDielectricEngineering
The invention discloses a spheroid self-generating field driven intelligent material soft robot and a preparation method thereof. The maximum radius of a spheroid is 5-100 cm, the spheroid is dividedinto four portions with the same structure by the maximum circle plane where two mutually perpendicular diameters of the spheroid are located, a first energy layer, an actuating layer and a second energy layer in each of the four portions with the same structure form a layered sandwich structure, the first energy layer is assembled by two friction dielectric films and a flexible electrode, the actuating layer is composed of a magnetic control switch memory skeleton and a magnetic fluid, and the second energy layer is a bionic cell concentration battery. The spheroid self-generating field driven intelligent material soft robot has the characteristics of small proportion of rigid portions, adaptation to narrow space, wide range and good response. The spheroid self-generating field driven intelligent material soft robot is prepared by the second energy layer, the actuating layer and the first energy layer in sequence, and has the characteristics of scientific operation and suitability forprocess operation.
Owner:TIANJIN UNIV

Novel intelligent water-saving car washing system and applied technology thereof

The invention relates to a novel intelligent water-saving car washing system and an applied technology thereof. The system comprises a control sensing system, a water power circulatory flushing system and a car washing tank system. The control induction system comprises a photo-electric sensing device and photoelectric switches. The photo-electric sensing device comprises two pairs of sensors, a speed limiting plate and a passage signal lamp. The photoelectric switches are composed of an emission end switch and a receiving end switch. A power system of the water power circulatory flushing system comprises two water baffles, high-pressure nozzles and a third-stage circulatory water tank. The car washing tank system comprises warning walls, warning columns, an indication sign, deceleration strips, angle iron concrete sawteeth and a car washing tank. According to the car washing system and the applied technology thereof, cars are not needed to be washed by special car washing workers to perform multidirectional high-pressure flushing on car tires, chassis and car body surface attachments; the third-stage circulatory sedimentation water tank is used, so that water resources are saved; the intelligent operation system is used, so that the system is simple and convenient to operate.
Owner:湖南华钜环保科技发展有限公司

Novel electric screen cabinet prewiring method for wind turbine generator

The invention discloses an electric screen cabinet prewiring method and provides a novel electric screen cabinet prewiring method for a wind turbine generator. According to the method, three-dimensional prewiring is simulated by utilizing computer software, and prewiring can be efficiently and intuitively realized according to an electrical schematic diagram and can be immediately changed along with the electrical schematic diagram. The novel electric screen cabinet prewiring method for the wind turbine generator comprises the following steps of: simulating three-dimensional prewiring; manufacturing a three-dimensional prewiring wiring harness diagram; printing the three-dimensional prewiring wiring harness diagram; and manufacturing an actual prewiring wiring harness. The simulated three-dimensional prewiring of an electric screen cabinet can immediately and correspondingly change with an electric screen cabinet design drawing or file. The method is mainly applied to guiding wiring in the electric screen cabinet of the wind turbine generator and can be used for guiding wiring in other electric screen cabinets. By the method, prewiring can be efficiently and intuitively realized according to the electrical schematic diagram, the production waste is reduced, and large-scale diversified production requirements are met.
Owner:ZHUZHOU CSR ELECTROMECHANICAL TECH

Novel bridge type ship unloader operation method

The invention relates to a novel bridge type ship unloader operation method, and belongs to the technical field of port bridge type grab ship unloader operation. The technical scheme is characterizedin that the grabbing position of a grab (2) is determined according to the height of bulk cargos in a cabin (1), and the direction of the grab (2) is controlled by moving the position of a trolley (8); grabbing is started from the first layer of the first row, cargoes on the odd number rows are grabbed firstly, and then cargoes on the even number rows are grabbed; the even number rows become protruding rows manually firstly; the cargoes on the first layers and the second layers of the even number rows are grabbed, and after the cargoes on the even number rows are completely grabbed, the odd number rows form protruding rows; and operation is carried out according to the rule, and grabbing operation of the bulk cargos in the cabin (1) is completed. The novel bridge type ship unloader operation method has the beneficial effects that joining is compact, safety and high efficiency are achieved, the function of mechanical equipment can be achieved to the greatest extent, and the ship unloading efficiency is improved.
Owner:PORT OF CAOFEIDIAN ORE TERMINAL CO LTD

Multi-sensory active inspection robot device and control method thereof

The invention discloses a multi-sensory active inspection robot device and a control method thereof. The multi-sensory active inspection robot device comprises a platform interface, a motion and control module (1) arranged at a bottom layer of a platform, and a vision module (2), an optical fiber smell module (3), an optical fiber hearing module (4), an optical fiber touch module (5) and an optical fiber taste module (6) which are arranged at an upper layer of the platform. Non-collinear multi-sensory active inspection robot sensing modules form a three-dimensional coordinate system for judging the orientation of a signal source. The multi-sensory active inspection robot device has the characteristics of multi-sensory three-dimensional detection, optical fiber sensing extreme environment resistance and high optical fiber sensing accuracy, and the control method has the advantages of scientific operation, the replacement of manpower and the achievement of active detection.
Owner:TIANJIN UNIV

Method for optimizing operation of desalting system of ion exchanger

The invention relates to a method for optimizing the operation of a desalting system of an ion exchanger. The method is characterized by comprising the following steps: measuring cation bed water alkalinity s1 and anion bed water acidity s3 by an acidity-alkalinity detection device; acquiring raw water hardness g by a hardness detection device and obtaining cation bed rational produced water quantity N1 and anion bed rational produced water quantity N2; determining a basis judgment parameter d through the specific value of N1 and N2; judging whether d is smaller than 1 or not, if d is smallerthan 1, performing a detection step based on a cation bed and determining cation bed single time regeneration acid quantity M1 and anion bed single time regeneration acid quantity M2; and if d is equal to or larger than 1, performing a detection step based on the anion bed and determining the anion bed single time regeneration acid quantity M2 and the cation bed single time regeneration acid quantity M1. The invention has the advantages of real-time diagnosis, rapidity, convenience, flexible control, rational consumption, scientific operation, effective control of water leaking silicone, reliable quality of produced water and safe and reliable production.
Owner:重庆汉能环保工程技术有限公司

Intelligent steelmaking system based on converter fume and gas analysis technology

PendingCN109581988AAutomatically and accurately record statisticsMeet the needs of converter intelligent steelmakingSteel manufacturing process aspectsIncreasing energy efficiencySteelmakingGas analysis
The invention discloses a professional detection instrument for fume and gas analysis, and relates to the technical field of ferrous metallurgy. The professional detection instrument for fume and gasanalysis mainly solves the problems of automation and intelligence during steel-making and smelting operations of a converter. The professional detection instrument for the fume and gas analysis comprises a fume and gas analyzer, and a converter audio frequency slag melting monitoring system; the converter audio frequency slag melting monitoring system comprises a converter, and the upper part ofthe right side of the converter is sequentially provided with a water inlet, an audio sampling device, and a nitrogen inlet from left to right. The invention further discloses an intelligent steelmaking system, a main program of the intelligent steelmaking system, and an implementing method of the intelligent steelmaking system which are based on the converter fume and gas analysis technology of the professional detection instrument for the fume and gas analysis. According to the professional detection instrument for the fume and gas analysis, precision of endpoint control and the hit rate areincreased, thus stability and reliability of production are improved, production efficiency is improved, cleanliness of molten steel and quality of steel are improved, and full-automatic steelmakingis realized.
Owner:重庆布鲁斯格智能科技有限公司

Control method of fresh air purification system

The invention discloses a control method of a fresh air purification system and belongs to the technical field of fresh air purification system control methods. The control method comprises the stepsthat the on / off states of a sleep switch and an air conditioning switch of the fresh air purification system are judged, when the sleep switch and the air conditioning switch are both in the off state, a gear adjustment command is responded, then, a fan is started, and a gear registered in a gear register is started; and when the sleep switch is in the on state and the air conditioning switch is in the off state, the gear adjustment command is not responded, the gear register is set to be at the minimum gear, then, the fan is started, and the gear registered in the gear register is started. The fresh air purification system has multiple purification modes; automatic purification matched with the sleeping mode can be conducted when the different purification modes are implemented, users feel at ease to a greater extent in the sleeping state, and higher humanization and intelligentization are achieved; and in addition, the operation states of the fan and a fan core can be monitored and prompted automatically, and intelligentized control is achieved.
Owner:成都好空气科技发展有限公司

Intelligent information-based management system for solid preparation production

The invention discloses an intelligent information-based management system for solid preparation production, which can comprehensively meet, adapt to and optimize the production process requirements of medicaments or solid preparations, meet, adapt to, sufficiently exert and optimize the operating requirements of corresponding production equipment and realize in-place, local and / or remote automatic monitoring management. The intelligent information-based management system comprises field production equipment and a corresponding management control system, and the management control system comprises a local control management layer corresponding to the field production equipment, as well as a field control layer and a remote monitoring management layer connected to the local control management layer respectively; and the intelligent information-based management system is characterized in that the remote monitoring management layer is further used for operating management of a main control computer system on the local control management layer and / or analysis and diagnosis of operating faults of a control device on the field control layer and the production equipment.
Owner:YICHUN WANSHEN PHARMA MACHINERY

Litsea coreana tea beverage and preparation method thereof

InactiveCN104365928AGood health effectNo antagonistic responseTea substituesCollocationLitsea coreana
The invention discloses a litsea coreana tea beverage and a preparation method thereof. According to the preparation of the litsea coreana tea beverage, 1000ml of the litsea coreana tea beverage is prepared from the following raw materials: 8-10g of litsea coreana tea, 5-7g of mulberries, 2-4g of dark plum, 78-82g of white granulated sugar, 2-4g of malic acid and the balance of drinking water. A preparation method of the litsea coreana tea beverage comprises the following steps: extracting the raw materials which comprise the litsea coreana tea, the mulberries and the dark plum, melting the white granulated sugar and the malic acid, mixing and making up the volume to be constant. The litsea coreana tea beverage has the advantages of being scientific in collocation, mild in reaction, special in taste and almost free of antagonist response among the raw materials; by virtue of the preparation method of the litsea coreana tea beverage, microelements in the litsea coreana tea can be fully extracted; the application value of the litsea coreana tea is improved; the preparation method of the litsea coreana tea beverage has the advantages of being simple and convenient to operate and low in cost; the large-scale production is easy to implement.
Owner:犍为美天恒饮料有限公司

Seafood condiment sauce and preparing method thereof

The invention provides a seafood condiment sauce. The seafood condiment sauce comprises a mixed condiment, aginomoto, edible salt, chicken powder, white granulated sugar, rock candy, yeast extract, 5'-sodium inosinate+5'-sodium guanylate, chicken flavor essence, vegetable oil and aged vinegar. The mixed condiment is composed of ginger, garlic and chili according to the mass ratio of 1:1:1. A stabilizer and a preservative are also added. The invention further provides a preparing method of the seafood condiment sauce. The defects that a traditional seafood condiment sauce needs to be blended manually and the taste is not rich are overcome; meanwhile, by adding the combined stabilizer in proper proportion, the defects that the seafood condiment sauce is not even and prone to layering are overcome. The prepared seafood condiment sauce has a strong delicate flavor, comprehensive tastes and rich nutrients, can be digested and absorbed by the human body easily, and can be used for family food seasoning, food application and the like. Furthermore, the preparing process is reasonable, operation is easy, material selection is scientific, and the preparing method is suitable for industrial production and has great market potential.
Owner:SHANGHAI INST OF TECH

Pharmaceutical production intelligent information management system

The invention discloses a pharmaceutical production intelligent information management system which can realize local and / or remote automatic monitoring and management. The intelligent information management system comprises field production devices and a corresponding management control system. The management control system comprises a local control management layer corresponding to the field production device, and a field control layer and a remote monitoring management layer which are connected to the local control management layer. The intelligent information management system is characterized by also comprising a data collector connected between a master control computer and the corresponding field production device or between the master control computer and an intelligent control device and the corresponding field production device. The data collector collects the relevant signals or information of respective field production device and transmits the relevant signals or information to the master control computer or the master control computer and the intelligent control device through a data line or a wireless transmission mode.
Owner:YICHUN WANSHEN PHARMA MACHINERY

Power grid planning method oriented to electric power spot market and based on carbon emission and source grid load storage interaction

The invention relates to a power grid planning method oriented toelectric power spot market and based on carbon emission and source network load storage interaction. Compared with the prior art, the invention solves the defect that the power grid planning method cannot meet the actual use requirement. The method comprises the following steps: acquiring historical data of a power grid; analyzing a blocked line of the power grid; calculating power grid data before upgrading; constructing a power grid planning decision model; and solving the power grid planning decision model. According to the invention, a blocked line Lagrangian multiplier analysis method is adopted to analyze, sort and position blocking conditions in a power grid so as to determine addresses where a power transmission line needs to be upgraded and a power supply and energy storage need to be newly built or added, a planning decision-making target and a market simulation operation model are combined, and multiple indexes such as reliability, environmental protection and economy are combined, so that an optimal planning result is obtained.
Owner:ECONOMIC TECH RES INST OF STATE GRID ANHUI ELECTRIC POWER

Preparation method for fragrance flavor seafood seasoning

The invention relates to a preparation method for fragrance flavor seafood seasoning. The seasoning is prepared by implementing the following steps: taking dried swim bladder as a raw material; after washing and smashing, soaking the swim bladder, processing with ultrasonic waves and adding water to obtain swim bladder seriflux; adding papayotin into the seriflux for enzymolysis; killing enzyme; adding activated carbon for carbon removal and filtering the mixture to obtain enzymolysis filter liquid; adding water into a reactor filled with ginger powder, reducing sugar, vitamin B1 and five spice powder, heating, extracting, cooling and performing centrifugal filtering to obtain flavor liquid; mixing the enzymolysis filter liquid with the flavor liquid first and adding gourmet powder, salt, Disodium 5'-ribonucleotide and potassium sorbate for blending to obtain seasoning liquid; packaging the seasoning liquid into different bottles to obtain liquid state flavor seafood seasoning finished products or performing spray drying on the seasoning liquid to obtain powdery fragrance flavor seafood seasoning. The preparation method provided by the invention is reasonable in technology, controllable in operation, scientific in sorting and short in preparation time; the seasoning prepared by the preparation method is rich in spiced flavor, natural in seafood taste, intense in fragrance, rich in nutrition and easy to digest and absorb by human body.
Owner:威海市桢昊生物技术有限公司

Detection chip for tanshinol related gene, preparation and detection method thereof

The invention discloses a detecting chip, making and detecting method of relative gene of salvia miltiorrhizae, which is characterized by the following: setting astopic probe on the glass to make gene chip; crossing with cDNA of marked sample of salvia miltiorrhizae; scanning result; analyzing expressive quantity of relative gene of salvia miltiorrhizae; fitting for obtaining functional information to pave the base to study salvia miltiorrhizae.
Owner:TIANJIN UNIV OF TRADITIONAL CHINESE MEDICINE

High-purity hollow silicon material, as well as polycrystalline silicon and ingot silicon vacuum solid-liquid separation method and equipment

The invention provides a high-purity hollow silicon material, as well as a polycrystalline silicon and ingot silicon vacuum solid-liquid separation method and equipment. The polycrystalline silicon and ingot silicon vacuum solid-liquid separation method comprises the following steps of: melting silicon in a container to form molten silicon; pulling ingots till the silicon crystal rate in the molten silicon reaches 80 to 90 percent, and vacuumizing so that a solidified shell is formed on the surface of the molten silicon; and perforating the shell by adopting a pressure lever during vacuumizing so that the molten silicon in the shell flows out of holes under the action of negative pressure to reach the surface of the shell, and stopping the pressure lever to perforate the shell after all the melt flows out, wherein the effluent molten silicon is solidified on the shell, thus realizing separation of enriched impure ingots and high-purity ingots. By adopting the method, back diffusion of enriched impurities can also be inhibited, meanwhile, the impurity enriched ingots obtained by directional solidification and purification can be conveniently removed, and the yield in polycrystalline silicon production is improved.
Owner:DALIAN UNIV OF TECH

Implementation method and system for large-scale directed mating of red claw crayfishes

InactiveCN111528151AStandardize and simplifyObvious efficiency advantageClimate change adaptationPisciculture and aquariaPollutantGenetic diversity
The invention belongs to the technical field of genetic breeding of crayfishes, and discloses an implementation method and system for large-scale directed mating of red claw crayfishes. Under the condition that the source and genetic background of a breeding population are unknown, directed mating group design is scientifically and efficiently completed by means of molecular marker information, sothat a certain genetic diversity of the population can be maintained while inbreeding is avoided. According to the implementation method and system, a filter device and a conical collector are employed to realize automatic collection of pollutants generated during aquaculture, and semi-automatic sewage discharge is realized by combining with a timing valve, and compared with a way of manual siphon sewage discharge, the semi-automatic sewage discharge saves manual labor, thoroughly discharges sewage, and reduces water consumption for sewage discharge; a main water inlet valve is used in coordination with independent float level switches of aquaculture tanks, thus realizing accuracy and automation of adding water into aquaculture tanks in batches; and installation of overflow ports guarantees that the water in the aquaculture tanks cannot be excessive, so that not only is water saved but also manual labor of a water adding link is saved, and standardization and convenience of the implementation link of large-scale directed mating of the red claw crayfishes are realized.
Owner:YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI

Method for improving survival rate of potted tea tree

InactiveCN106386441APrevents the problem of excessive evaporationLow costCalcareous fertilisersMagnesium fertilisersImproved survivalNutrient solution
A method for improving the survival rate of a potted tea tree includes the following steps: 1) substrate preparation: washing quartz sand with clean water repeatedly, evenly mixing the quartz sand and a water absorbent, and then putting a mixture of the quartz sand and the water absorbent in a polyethylene pot, using a stone to block a vent opening formed in the bottom of the pot to prevent a substrate from flowing out with water, wherein the upper substrate is aligned with a pot opening; 2) planting: planting tea seedlings into the pot during the middle of ten days of March to the end of April, wherein 1-6 tea seedlings are planted into one pot, the tea seedlings are evenly distributed in the pot, a white polyethylene plastic bag sleeves the lower part of the pot and is tied to the top of the pot through handles, the upper part of the pot is covered with a black polyethylene plastic bag, holes with the same number of the tea seedlings are formed in the bottom of the black polyethylene plastic bag, the tea seedlings can pass through the holes when being covered, the bottom of the black polyethylene plastic bag is tightly attached to the substrate, the two handles are arranged in the center of the pot, the outer part of the white polyethylene plastic bag is tied tightly, and the planted polyethylene pot is arranged on a tray; and 3) management after planting: irrigating the tea seedlings with clean water and a working nutriment solution regularly. The substrate is scientific in composition, is suitable in nutriment supply, can ensure water supply, air permeability and persistence.
Owner:SHANDONG INST OF POMOLOGY
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