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109results about How to "Alleviate resource scarcity" patented technology

Method, device and system for implementing parking service

The invention relates to the technical field of network communication, in particular to a method, a device and a system for implementing parking service. The method is applied to the system which comprises a driver client, a server and a parking space master client. The method includes acquiring parking request transmitted by the driver client; matching parking spaces according to the parking requests, generating corresponding parking space information corresponding to the successfully matched parking spaces and transmitting the corresponding parking space information to the driver client; receiving parking space selection information generated by the driver client according to the parking space information; generating reservation order forms according to the parking space selection information and the parking requests. The parking spaces include parking spaces registered via the parking space master client. The method, the device and the system have the advantages that the parking space utilization efficiency can be improved by means of applying the method for implementing the parking service, and the problem of parking difficulty can be solved.
Owner:李兹铮

Data exchange method based on virtual local area network

The method includes steps: in physical exchanging device, assigning each user group in VLAN a virtual exchanging entity, assigning physical address table in each virtual exchanging entity; based on physical input interface port number, or both of the said port number and VLAN id packed in data frame, the physical exchanging device gives the data frame to be processed to relevant virtual exchanging entity; based on target physical address packed in data frame, the virtual exchanging entity references physical address table configured and obtains corresponding physical input interface port number, or obtains corresponding VLAN id at same time; base on whether corresponding VLAN id is obtained or not, the virtual exchanging entity modifies VLAN id packed in data frame, and outputs processed result from corresponding physical output interface port. The invention solves issue of lack of VLAN id resources. It is convenient for VLAN id to be assigned and managed.
Owner:HUAWEI TECH CO LTD

Concrete containing machine-processed gravel powder and dust collection stone powder and preparation method thereof

The invention discloses concrete containing machine-processed gravel powder and dust collection stone powder and a preparation method thereof. The concrete comprises cement, fly ash, the dust collection stone powder, machine-processed sand, crushed stones, water and a water reducing agent. The preparation method comprises material preparation, primary stirring and secondary stirring. By adopting good material grading, the workability of the concrete can be effectively improved; a theoretical mixing ratio design concept is adopted and the mixing ratio of the concrete is highly consistent; in a production process of the concrete, the stable quality of the concrete is ensured; the machine-processed gravel powder and the dust collection stone powder are sufficiently utilized and can replace one part of the cement, the fly ash or mineral powder, so that the dosage of a cementing material, resources are saved and the production cost of the concrete is also reduced. The machine-processed gravel powder and the dust collection stone powder are wastes generated in a sand making process of an existing aggregate plant, so that the emission of the wastes can be reduced and the environment protection is facilitated; the preparation method is simple and convenient to operate, low in cost and applicable to industrial large-scale production.
Owner:QINGSHEN XINTONGLING BUILDING MATERIALS CO LTD

Improved high-temperature resistant paint

The invention discloses improved high-temperature resistant paint. The improved high-temperature resistant paint comprises solvent, organic silicon resin and / or modified organic silicon resin and high-temperature filler which is superfine slag powder. The high-temperature resistant paint is excellent in high temperature resistance, salt resistance, alkali resistance and salt spray resistance and has larger paint film adhesive force, higher paint film hardness and higher market application value.
Owner:NANJING INST OF PROD QUALITY INSPECTION

Bio-fermented component vegetable protein and preparation method thereof

The invention discloses bio-fermented component vegetable protein and a preparation method thereof. Major raw materials are prepared by fermenting with fermentation species; by adopting a bio-fermentation method, the crude fiber content is decreased, the amino acid content is increased and the proportions of various amino acids are balanced while toxic substances and anti-nutritional factors are removed from high-protein cotton dregs, high-protein sunflower seed dregs, rapeseed meal, high-protein safflower dregs and grape pip dregs; the nutritional value of the obtained component vegetable protein reaches and surpasses that of bean dregs; and the component vegetable protein can be used for completely replacing bean dregs in feed application, and particularly has remarkable application effects in aquatic feeds and livestock feeds.
Owner:XINJIANG TAIKUN GRP CO LTD

Biological cement reinforced roadbed on under-consolidation silt blowing foundation and construction method of roadbed

The invention belongs to the field of soft soil foundation treatment, and relates to a biological cement reinforced roadbed on an under-consolidation silt blowing foundation and a construction method.Grille gravel piles in the roadbed penetrate through the under-consolidation silt blowing foundation and are embedded into a lower horizontal bearing layer. A plastic drainage plate is driven into the under-consolidation silt blowing foundation. A biological cement-grille reinforced cushion layer is flatly paved on the upper surface of the grille gravel piles. Non-woven geotextiles are laid on the upper surface and the lower surface of the biological cement-grille reinforced cushion layer. The non-woven geotextiles and a sealing film are sealed at the bottom of a tamped clay sealing ditch. Roadbed filling soil is packed on the upper surface of the biological cement-grille reinforced cushion layer and on the non-woven geotextile. Biological waterproof layers are arranged on the upper surface and the side surface of the roadbed filling soil. A soil layer is arranged on the biological waterproof layer on the roadbed side face, and slope protection vegetation is planted to form a roadbedslope ecological waterproof protection layer. The roadbed has the advantages of being reasonable in structure, high in bearing capacity, short in construction period, environmentally friendly and thelike, and is a green ecological structure worthy of popularization.
Owner:HUAZHONG UNIV OF SCI & TECH

System and method for carrying out blast furnace ironmaking by using small-particle-size bituminous coals

The invention discloses a system and a method for carrying out blast furnace ironmaking by using small-particle-size bituminous coals. The system comprises a pyrolyzing furnace, a semi-coke outlet of the pyrolyzing furnace is communicated with an inlet of a crusher, an outlet of the crusher is communicated with an inlet of a sieve shaker, a fine coke powder outlet of the sieve shaker is communicated with a powder spraying inlet of a blast furnace, a large-particle semi-coke outlet of the sieve shaker is communicated with an inlet of a former, an outlet of the former is communicated with an inlet of a sintering furnace, an outlet of the sintering furnace is communicated with a sintered ore inlet of the blast furnace, and a flue gas outlet of the blast furnace is divided into two paths, one path is communicated with a gas inlet of the pyrolyzing furnace, and the other path is communicated with a flue gas outlet of the pyrolyzing furnace. According to the invention, a problem of utilizing lots of small-particle-size coals produced by coal mining is solved; a shortage problem of coal resources for injection is alleviated, and a way for the utilization of semi-coke from coal pyrolysis is provided; semi-coke powder and iron ore powder are formed by mixing and sintered for use, so that resources are fully used; flue gas produced by blast furnace ironmaking is used for the pyrolysis of bituminous coal, and the heat in the flue gas is recovered, thereby reducing the energy consumption, and improving the utilization efficiency.
Owner:SHAANXI COAL & CHEM TECH INST

Environmental-protection diesel oil and preparation method thereof

The invention discloses environmental-protection diesel oil and a preparation method thereof. The diesel oil is prepared from the following components by weight percentage: 12-20% of vegetable oil and fat, 30-60% of a distilled waste oil extraction liquid, 15-30% of fusel oil, and 15-30% of raffinate oil. The preparation method comprises the steps: metering the mass ratios of various raw materials, mixing and stirring, metering and pumping into a normal-temperature and normal-pressure vessel, cycling for 2-3 times through a high-shear emulsifying mixer, standing overnight, and filtering to obtain the product. The environmental-protection diesel oil has the advantages that the diesel oil makes full use of waste resources and renewable energy sources, can ease exploitation and consumption of petroleum resources, is wide in raw material sources, low in cost, good in economic benefits, rich in oxygen, good in combustion performance, complete and full in combustion, high in thermal efficiency and low in sulfur content, has a few of exhaust gas emission pollutants reduces machine corrosion and sulfide emissions, and can be widely applied in the application fields of transport vehicles, ships, engineering machinery halls and the like adopting the petroleum diesel oil.
Owner:宁海鹏静再生资源科技有限公司

Method for recovering noble metal platinum

The invention provides a high-recovery-rate method for recovering noble metal platinum with low impurity element content and high purity, which comprises the following steps: 1) putting a noble metal platinum sample into a container, firing and cooling; 2) preparing a dissolution agent by using 36-38 wt% hydrochloric acid and 66-68 wt% nitric acid in a volume ratio of (1-4):1 a dissolution reagent; 3) adding the prepared dissolution reagent into the cooled container, and heating until the metal platinum is completely dissolved; 4) evaporating the solution by heating to the nearly dry state, adding hydrochloric acid, and evaporating the solution by heating to the nearly dry state; 5) dropwisely adding an ammonium chloride solution into the container, and filtering to obtain an ammonium chloroplatinate precipitate; and 6) putting the ammonium chloroplatinate precipitate into the container, firing and cooling. The metal platinum recovered from the noble metal platinum sample has the advantages of low impurity element content and high purity; and the method provided by the invention enhances the recovery rate of platinum, has the advantages of simple technical process, low cost and high recovery value, and is beneficial to energy saving, emission reduction and environmental protection.
Owner:CDGM OPTICAL GLASS

Basalt fiber reinforced sea sand cement-base composite heat insulation wall plate

The invention relates to the field of building materials, and provides a basalt fiber reinforced sea sand cement-base composite heat insulation wall plate and a preparing method of the basalt fiber reinforced sea sand cement-base composite heat insulation wall plate. The basalt fiber reinforced sea sand cement-base composite heat insulation wall plate is a novel composite heat preservation wall plate formed by using basalt fiber bar reinforced sea sand cement-base rib beams and basalt fiber mesh reinforced sea sand cement-base thin plates as major stress components, using heat preservation and insulation plates as embedded plates and using gypsum decoration plates as inner panels through compounding. The wall plate has the characteristics that the weight is light; certain pressure-resistant capability and shear-resistant capability are realized; the durability is high; and the waterproof and heat preservation and insulation performance is good, and the like. The basalt fiber reinforced sea sand cement-base composite heat insulation wall plate is suitable to be used as a building external wall plate, particularly for external walls of a coastal building.
Owner:GUANGDONG UNIV OF TECH

Titanium carbonitride metal ceramic sealing element and preparation method thereof

The invention relates to a titanium carbonitride metal ceramic sealing element and a preparation method thereof. The sealing material of the titanium carbonitride metal ceramic sealing element consists of titanium carbide, titanium nitride, Ni, tungsten carbide, Mo and carbon black. The titanium carbonitride metal ceramic sealing element is prepared from the components in percentage by weight. The titanium carbonitride metal ceramic sealing element has excellent high-temperature anti-oxidation performance and good wear resistance and corrosion resistance; moreover, abundant titanium resource in China is used as a main raw material to replace rare tungsten resource, thereby reducing the use of tungsten, reaching the purpose of reducing cost and alleviating the resource shortage.
Owner:NINGBO DONGLIAN MECHANICAL SEAL

Starch-based biodegradable plastic and preparation method thereof

ActiveCN103044718ASignificant progressBiodegradation is completePolymer scienceBiodegradable plastic
The invention provides a method for preparing starch-based biodegradable plastic. The starch-based biodegradable plastic is prepared by using cassava starch as a raw material and using a modified starch and biodegradable high-molecular polymer blending technology line. The modified starch is prepared by activating dry starch, adding an esterification reagent to the pretreated activated starch, and then adding a solid coupling agent. The biodegradable plastic products are prepared by blending the modified starch, an ethane / vinyl alcohol copolymer, polyvinyl alcohol, a plasticizer and an auxiliary agent.
Owner:广西农垦明阳生化有限公司

Method for preparing composite modified starch for biodegrading plastic

The invention provides a method for preparing composite modified starch for biodegrading plastic, comprising: adding an activator in dry starch, for pretreatment under 95-100 DEG C for 30min; adding an esterification reagent into the starch after activation, for making esterification reaction under 120-125 DEG C for 1h, wherein the whole press is carried out in a solid phase state; adding a solid coupling agent into the material after esterification, for making a phase coating reaction in case of stirring under 125-130 DEG C for 40-50min, wherein the whole press is carried out in a solid phase state; cooling the material until to room temperature, screening the material with 60 mesh sieves, and then packaging the material to obtain the finished product.
Owner:广西农垦明阳生化有限公司

Method used for producing alumina from fly ash

The invention provides a method used for producing alumina from fly ash. The method comprises following steps: high aluminum fly ash is subjected to dissolving out with hydrochloric acid at a high temperature, obtained aluminium chloride dissolving out solution and white clay are separated, and evaporation is carried out to obtain impurity containing AlCl<3>*6H<2>O crystal; the impurity containingAlCl<3>*6H<2>O crystal is subjected to hydrolysis at water vapour atmosphere at a hydrolysis temperature is controlled to be 200 to 850 DEG C to obtain an amorphous substance taking alumina as the main component; the amorphous substance is subjected to dissolving out with an alkali solution at normal pressure at a dissolving out temperature of 70 to 100 DEG C, or is subjected to dissolving out with an alkali solution at an increased pressure at a dissolving out temperature of 100 to 300 DEG C, a slag phase is removed through filtering, and a sodium aluminate solution is obtained at last; thesodium aluminate solution is filtered, diluted, and cooled for seed precipitation to obtain aluminium hydroxide. The methd is capable of reducing production cost of alumina from fly ash effectively, improving alumina quality, realizing utilization of large amount of solid waste, alleviating the shortage problem of bauxite resource of our state, and is suitable for application popularization in industrial production.
Owner:NORTHEASTERN UNIV

Method for preparing waste circuit board activated carbon by vapor process

The invention relates to a method for preparing waste circuit board activated carbon by a vapor process, which comprises the following steps: by using non-metal materials in waste circuit boards as a raw material, carbonizing in an existing carbonization furnace for 1-3 hours, heating to 700-900 DEG C to activate for 30-120 minutes under the protection of vapor, and cooling to room temperature to directly obtain the product. The activated carbon is prepared from the non-metal materials in the waste circuit boards by the vapor process; and the method does not use any activator in the preparation process, thereby lowering the production cost of activated carbon and implementing reutilization of waste resources. The prepared activated carbon has favorable adsorbability, thereby providing a new way for recovery and comprehensive utilization of non-metal materials in waste circuit boards.
Owner:SHANDONG UNIV

Combined type steel ladle permanent layer casting body

The invention discloses a combined type steel ladle permanent layer casting body which comprises an upper casting body portion and a lower casting body portion. The combination position of the upper casting body portion and the lower casting body portion is lower than that of a work layer of a slag line and a work layer of a molten pool, and the height difference H of the combination positions is equal to 500 mm to 600 mm. The upper casting body portion is formed by casting magnesium-chromium castable. The lower casting body portion is formed by casting alumina-magnesia castable prepared from corundum reclaimed materials. The upper portion and the lower portion of a steel ladle permanent layer are formed by casting castable of different materials in a combined mode, and the magnesium-chromium fireproof castable is adopted in the upper portion; the excellent scouring preventing performance, molten steel washing preventing performance and high-temperature use strength are achieved; slag corrosion and washing of molten steel can be effectively resisted, and then the use safety coefficient of a steel ladle is improved by 5-8 times. The alumina-magnesia castable prepared from the corundum reclaimed materials is adopted in the lower portion; the service life is long, and meanwhile manufacturing cost is greatly lowered, and cost performance is improved; the problem that fireproof material resources are in short supply is effectively solved.
Owner:WUGANG REFRACTORY CO LTD

Websocket-based front bank transaction system building method

The invention discloses a Websocket-based front bank transaction system building method, and belongs to the technical field of front bank transaction systems. The technical problem about how to introduce a Websocket into the front bank transaction system is solved. According to the technical scheme, the method comprises the steps of firstly, building a Websocket server, building a Websocket client, and deploying the front bank transaction system. According to the step of building the Websocket server, a Websocket Server is initialized, Server Open, Server Close, Server Message and Server Error message handling functions are defined, a Websocket Server message processing function is assigned, a Websocket service is started, and the Websocket Server.send is called. According to the step of building the Websocket client, a server IP address and a monitoring port number are obtained, the Websocket Client is initialized, on Open, on Close, on Message, on Error message processing functions are defined, the Websocket Client is started for building connection, the Websocket client message processing function is assigned, and the Websocket Client.send is called.
Owner:INSPUR QILU SOFTWARE IND

Red sandstone aerated concrete and preparation method thereof

ActiveCN104829261ASufficient reservesLow priceCeramicwareHydrotalciteSolid content
The invention belongs to the field of building materials. A red sandstone aerated concrete is characterized by being prepared from dry materials and water, and the ratio of water to material is 0.50-0.64. The dry materials include, by weight, 8%-15% of cement, 50%-75% of red sandstone, 10%-20% of lime, 1%-5% of gypsum, 0.5%-3% of metakaolin, 0%-3% of calcined hydrotalcite, 0.02%-0.15% of aluminum powder paste, 0.2%-5% of water glass and 0.05%-2% of a modifier, wherein the water glass is calculated by the solid content, and the ratio of water to material calculates the water contained in the water glass. The invention utilizes the red sandstone to prepare the energy-saving insulation wall material in line with the standard requirements, improves utilization of red sandstone, and eases the problem of shortage of river sand resources.
Owner:HUBEI PROVINCIAL CENT FOR QUALITY SUPERVISION AD TEST OF CONSTR ENG

Formula and production process of floating urea slow-release extruded feed for cattle and sheep

The invention discloses a formula of a floating urea sustained release expanded feed for cattle and sheep. The feed comprises urea, an energy feed, a protein feed, mineral salt, an adsorbent, an antioxidant and a mildewproof agent. The floating urea sustained release expanded feed for cattle and sheep is prepared by the steps of: crushing the raw materials, metering according to a certain proportion, mixing, hardening and tempering, performing extrusion puffing and granulating, and drying. The feed has the advantages that: the feed suspends in water and does not sink, the basic shape is kept in a longer time, and the detention time in rumens is relatively longer, so the feed cannot enter rear digestive tracts of the rumens due to the external flow of rumen fluid; the utilization efficiency of urea nitrogen is improved and the ammonia poisoning caused by the rapid decomposition of urea is avoided; meanwhile, protein feed sources are saved, and the raising cost is reduced.
Owner:ZHEJIANG KESHENG FEED CO LTD

Preparation method of rice seedling raising substrate

The invention provides a preparation method of rice seedling raising substrate, and solves the resource consumption problem caused in substrate preparation in the prior art. The preparation method of the rice seedling raising substrate includes: S1, fermenting raw material, and performing solid-liquid separation on the fermented material; S2, processing solid obtained after the solid-liquid separation in step S1 so as to reduce water content in the solid; S3, after mixing turfy soil and vermiculite, after being processed, mixing the turfy soil and vermiculite with the solid after being processed in step S2, and carrying out secondary fermentation on a formed mixture; S4, adding mixing components in the mixture after the secondary fermentation; S5, adding reactant in the mixture after being added with the mixing components for acid modulation treatment. The substrate prepared through the preparation method of the rice seedling raising substrate can replace turf for raising seedlings, and then resource consumption is avoided.
Owner:中节能绿碳环保有限公司

Chlorosulfonated polyethylene rubber/biomass composite plate and making method thereof

InactiveCN106398264AImprove the phenomenon of easy separation and agglomeration with rubberImprove mechanical propertiesPolymer scienceN-Propyl alcohol
The invention discloses a chlorosulfonated polyethylene rubber / biomass composite plate. The chlorosulfonated polyethylene rubber / biomass composite plate is characterized by being made from the following raw materials: rice straw, wheat straw, a sodium hydroxide solution, n-propyl alcohol, maleic anhydride, azodiisobutyronitrile, acetone, styrene, N,N-dimethyl-4-pyridylamine, montmorillonoid, sodium hexametaphosphate, cocamidopropyl betaine, vinyl triethoxysilane, chlorosulfonated polyethylene rubber, zinc oxide, dipentamethylenethiura tetrasulfide, imarcaptoacetate dioctyltin, a proper amount of hydrochloric acid solution and a proper amount of deionized water. The made chlorosulfonated polyethylene rubber / biomass composite plate has the advantages of stable size, wear resistance, corrosion resistance, nailing, sawing and pivoting properties, waterproofness, mold resistance, worm damage resistance, wide application and the like.
Owner:凤台县双利生物科技有限公司

Assembled type bamboo-aerated concrete combined structure and manufacturing method

An assembled type bamboo-aerated concrete combined structure comprises a prefabricated aerated concrete board (1), a bamboo beam (2), a perforated metal plate (3), adhesives (4) and pore-filling materials (5), wherein the prefabricated aerated concrete board (1) is located on the bamboo beam (2), the axes of the prefabricated aerated concrete board (1) and the bamboo beam (2) are parallel, the prefabricated aerated concrete board (1) and the bamboo beam (2) are identical in length, the bottom surface of the prefabricated aerated concrete board (1) is tightly connected with the top surface of the bamboo beam (2), and the prefabricated aerated concrete board (1) and the bamboo beam (2) are integrated through the perforated metal plate (3), the adhesives (4) and the pore-filling materials (5). According to the invention, the defects that bamboo structures are low in flexural rigidity, insufficient in spanning capacity, and the like are overcome. The assembled type bamboo-aerated concrete combined structure has the comprehensive advantages that the assembled type bamboo-aerated concrete combined structure is light and good in sound insulation performance, thermal insulation performance and earthquake resistance. In terms of implementation methods, industrial production is achieved favorably by the mounting process of the assembled type bamboo-aerated concrete combined structure, and the assembled type bamboo-aerated concrete combined structure is applicable to the field of civil construction structures.
Owner:NANJING FORESTRY UNIV

FRP spiral bar enhanced stainless steel tube seawater and seasand concrete structure

The invention discloses an FRP spiral bar enhanced stainless steel tube seawater and seasand concrete structure, which comprises a rectangular stainless steel tube (1), an anchoring part (2), an FRP spiral bar (3) and seawater and seasand concrete (4). The FRP spiral bar enhanced stainless steel tube seawater and seasand concrete structure is characterized in that the rectangular stainless steel tube (1) is made of an anticorrosion weather-resistant stainless steel material, the anchoring part (2) is a stainless steel block with a reserved hole, the FRP spiral bar (3) penetrates through the reserved hole of the anchoring part (2) to rotate upwards, the diameter of the reserved hole of the anchoring part (2) is 10mm or more lager than that of the FRP spiral bar, a gap between the FRP spiralbar (3) and the reserved hole of the anchoring part (2) is densely filled by seawater and seasand concrete, and the seawater and seasand concrete (4) is poured into the rectangular stainless steel tube (1). The structure has the advantages of high bearing capacity, good ductility and good durability; seasand aggregate and seawater can be directly utilized to prepare poured seawater and seasand concrete; the structure has economic engineering construction cost, saves resources and is especially suitable for vertical structural members of island engineers and coastal regions.
Owner:NANJING FORESTRY UNIV

Preparation technology and application of environment-friendly comprehensive deodorization biological feed for fattening pigs

PendingCN112790287AGood palatabilityImprove the air environment of the pig houseLactobacillusAnimal feeding stuffTryptophanNutrition
The invention provides a compound fermentation biological feed and a preparation method thereof. The method comprises the steps of fermentation of base material components, a fermentation process and the like. The compound fermented biological feed is prepared from the following raw materials in parts by weight: 65 to 72 percent of corn, 5 to 12 percent of soybean meal, 9 to 12 percent of rice bran meal, 7 to 10 percent of bran, 1.0 to 1.5 percent of mountain flour, 0 to 0.2 percent of calcium hydrophosphate, 0.5 to 0.9 percent of lysine, 0 to 0.1 percent of methionine, 0.1 to 0.2 percent of threonine, 0 to 0.1 percent of tryptophan, 0.2 to 0.5 percent of table salt, 0 to 0.05 percent of phytase, 0.01 to 0.03 percent of multi-vitamin and 0.2 to 0.3 percent of multi-mineral. The six fermentation strains, namely lactobacillus rhamnosus, lactobacillus plantarum, bacillus licheniformis, bacillus subtilis, saccharomyces cerevisiae and candida utilis, are adopted. According to the present invention, the high-quality biological fermentation feed is produced by using the conventional complete feed, the nutrition is balanced, the palatability is good, the concentration of ammonia gas and hydrogen sulfide in the manure odor of the fattening pigs can be significantly reduced by more than 60%, and the air environment of the pig house is improved; meanwhile, the feed conversion ratio can be reduced by 14.5%, the production performance is effectively improved, and the feed cost is remarkably reduced.
Owner:FEED RESEARCH INSTITUTE CHINESE ACADEMY OF AGRICULTURAL SCIENCES +1

Yeast culture and preparing method and application thereof

The invention discloses yeast culture and preparing method and application thereof. The method for preparing the yeast culture includes the following steps: after activating the brewer's yeast with slant strains, the barms acquired continues to inoculate for seed solution preparing, and implement liquid aerobic fermentation and solid anaerobic fermentation for the seed solution succesively, then make the acquired solid fermentation products into yeast culture through cell disruption, drying and smashing. The yeast culture supplied has a high content of crude protein and stable, and can reach about 15%; and the contents of mannan, Beta- glucan are respectively higher than 1.0% and 3.5%. It is a feed ingredient with high nutritive value, and can improve feed palatability, animal food consumption, and animal intestinal health and growth performance; the invention adopts the invention adopt liquid- solid combined fermentation process, to develop cheap yeast culture with favorable effect and lower price, and the process is simple, easy to operate, and the whole production process conditions are easy to control, no need of high temperature treatment, which may favorably store the nutrient substance in the yeast culture.
Owner:北京中农弘科生物技术有限公司

Bamboo-willow scrimber manufacturing process

The invention relates to a bamboo-willow scrimber manufacturing process which comprises the steps that skin of brush wood and small-diameter-class wood of bamboo and willow is removed, and the brush wood and the small-diameter-class wood are slit in the longitudinal direction to make wood bundles; the wood bundles are dried to be with the water content of 4-7%; the wood bundles are soaked in water-soluble phenolic aldehyde resin tackiness agents with the solid content of 21-24% for 15-25 seconds; the wood bundles are dried; the wood bundles are fixed in a paving mode; the wood bundles are subjected to cold-pressing shaping; the wood bundles are subjected to hot-pressing solidification; bamboo-willow scrimber with the density of 0.7-1.0g / cm<3> is obtained after postprocessing. The bamboo-willow scrimber manufacturing process can be used for manufacturing bamboo-willow scrimber with satisfying performance.
Owner:NANJING FORESTRY UNIV

Artificial intelligence aided teaching method in children programming education

The invention discloses an artificial intelligence aided teaching method in children programming education. The method mainly comprises the following steps: implementing the steps; S10, initializing asystem and generating AI auxiliary data AIData; S20, student behavior detection and marked data generation; S30, performing student behavior identification and AIInput data generation; S40, distributing AIInput data to each AI module and performing identification; and S50, performing data rationality judgment and completing auxiliary teaching; and S31, the guidance module decomposing the prompt data and the S51 learning interface control module performing instruction decomposition. According to the invention, students can carry out self-learning in an immersive environment, and the learning efficiency is improved. Through the auxiliary function of the AI teacher, the effect similar to online one-to-one live broadcast can be achieved by recording and broadcasting video courses. The problemof resource shortage of high-quality teachers is effectively relieved. The teaching radius of an offline teacher is effectively expanded. In combination with background big data learning, a prompt strategy which can be continuously learned and optimized is provided for the front-end AI module, an exclusive intelligent teaching assistant teacher is provided for each student, and then self-adaptiveteaching is achieved.
Owner:博惠教育科技(上海)有限公司

Steelmaking operation method adopting steel scrap crushed material to replace cooling agent

InactiveCN111549196AReduce hot metal consumptionIncrease productionManufacturing convertersSpecific weightScrap
The invention discloses a steelmaking operation method adopting a steel scrap crushed material to replace a cooling agent. The method comprises the steps of crushing medium-sized steel scraps into thecrushed material with the bulk specific weight greater than 1.60 t / m3, and transporting the crushed material to an overhead bunker of a rotary furnace; calculating the heat required for melting 1 kgof crushed material through steel scrap melting, and determining the crushed material added quantity according to the spare amount of heat in the furnace: Q steel scrap=m steel scrap*{C solid(t melting-t initial)+latent heat of melting of steel scrap+C liquid.(t output-t melting)}, wherein the cooling effect of 1 kg of steel scraps at the tapping temperature of 1670 DEG C is as follows: Q steel scrap=1441.97 kJ / kg, and through each furnace of molten iron components and temperature input are calculated through a heat balance calculation model, and the space heat in the furnace is balanced by adding the crushed material into the overhead bunker
Owner:XINJIANG BAYI IRON & STEEL

Information system and method for optimal scheduling and accurate use of blood resource in region

The invention discloses an information system and method for optimal scheduling and accurate use of a blood resource in a region. The system comprises a communication network module, modular Internet of Things equipment, a central data processing and storage center, a man-machine interaction terminal and an AI auxiliary system. The position information and the state information of a blood resource are managed through the modular Internet of Things equipment; and through the man-machine interaction terminal and the central data processing and storage center, existing patient information and blood storage information in a hospital are input into the AI auxiliary system, and the AI auxiliary system is combined with the whole information system to give a reasonable scheduling and using scheme. The clinical blood utilization efficiency can be remarkably improved, the blood resource shortage condition is relieved, and therefore the requirement for emergency treatment is met.
Owner:THE FIRST AFFILIATED HOSPITAL ZHEJIANG UNIV COLLEGE OF MEDICINE

Biodegradable starch-based resin composition

The invention relates to a biodegradable starch-based resin composition. The biodegradable starch-based resin composition is characterized by comprising, by weight, 30-90 parts of starch, 10-50 parts of starch and acrylic ester grafted copolymers and 0.1-40 parts of acrylic ester homopolymers. The biodegradable starch-based resin composition has the advantages that raw materials for the biodegradable starch-based resin composition can come from wide sources, are low in cost and are easily available, and the biodegradable starch-based resin composition is superior to domestic like products in the aspects of service performance, biodegradable performance, price and the like; the biodegradable starch-based resin composition can be completely decomposed and quickly absorbed by microorganisms in soil after being reused, is free of environmental pollution and has an excellent environmental benefit and a broad application prospect; research and development of the biodegradable starch-based resin composition have a positive significance on relieving 'white pollution' and scarcity of petroleum resources, and the biodegradation starch-based resin composition has excellent economical and social benefits.
Owner:SHANDONG NORMAL UNIV
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