59results about How to "Solve the shortage of resources" patented technology

The invention relates to MgO-SiC-C refractory material synthesized by forsterite-C and a method. The technical proposal to be adopted is as follows: firstly, forsterite mineral powder and industrial carbon powder are blended according to molar ratio of 1: (1-5); and then the mixture is added with 4 to 10 wt% of bonding agent, stirred or mulled for 10 to 30 minutes, pressed to be formed and dried; and finally under the Ar gas condition, the mixture is sintered in the sintering temperature of 1530 to 1800 DEG C with heat preservation for 2 to 8 hours to obtain MgO-SiC-C refractory material synthesized by forsterite-C. The invention is characterized by comparatively simple processing technique, low producing cost, high producing efficiency, wide raw material source and being capable of reducing energy consumption of high temperature synthesis reaction. The prepared MgO-SiC-C refractory material has the advantages of excellent high temperature performance, anti-corrosion and good durability.

The invention relates to a limestone machine-made sand dry-mixed mortar and a preparation method thereof, belonging to the field of building materials. The limestone machine-made sand dry-mixed mortar comprises the following raw materials in parts by weight: 10-25 parts of cement, 5-8 parts of coal ash, 70-85 parts of machine-made sand and 0.06-0.08 part of mortar water-retention plasticizing agents, wherein the machine-made sand is limestone machine-made sand. The limestone machine-made sand dry-mixed mortar disclosed by the invention has the advantages of good cohesiveness, high water-retention rate, high compressive strength, good operability, economy, environmental protection, resource saving and the like, and is a green building material with excellent properties. The preparation method disclosed by the invention is simple and low in cost.

The invention relates to an underwater concrete containing limestone machine-made sand and a preparation method thereof, and belongs to the field of construction materials. The concrete comprises the following raw materials in parts by weight: 5 to 20 parts of cement, 1 to 7 parts of mineral powder, 0 to 5 parts of coat ash, 35 to 45 parts of broken stone, 30 to 40 parts of machine-made sand, 5 to 8 parts of water, and 0.1 to 0.8 part of water reducer; wherein the machine-made sand is limestone machine-made sand. The concrete has the advantages of good cohesiveness, fluidity, and water retaining performance, high strength, good durability, simple production technology, low cost, and good economic and social profits.

The invention relates to a double layer co-extrusion method for an extremely micro air-blowing optical cable. The method comprises optical fiber storage, optical fiber coloring, secondary coating, SZ intertwist, an oversheath process and a secondary coating process, wherein PC materials and PBT materials are respectively dried and extruded through different extruding machine units; through different distribution cones and channels in the unit heads, the PC materials are extruded from the inner layer of each loose tube; and the PBT materials are extruded from the outer layer of each loose tube. The double layer co-extrusion method utilizes the PC material and PBT material double layer co-extrusion technology to prepare an extremely micro air-blowing optical cable, and can enable the loose tubes of the optical cable to have the advantages of the two types of materials. By means of accurate control of the technical parameters, the double layer co-extrusion method can realize limit control of the geometric dimension of the optical cable and reduce the external diameter of the optical cable to the minimum theoretically, and has the advantages of being high in intensity of the optical cable, being small in the cable diameter and being light in mass, and is the best choice for air-blowing laying.

The invention discloses a method for cultivating a three-dimensional netlike fast-growing combined big tree. The method comprises the following steps of: 1, planting one to multiple circles of medium and small-sized arbors (bushes) around a central tree or a central point; 2, inserting, twisting, grafting and binding the branches and stems of the trees from upper, lower, left, right, front, back, inner and outer parts timely and cultivating multiple stages of branched tree crowns; and 3, performing track management such as fertilizer application, disease and insect control, fixed-branch, fixed-stem and oriented trimming, bud picking and the like to grow the three-dimensional netlike fast-growing combined big tree. The method has the advantages that: 1, the problems of resource scarcity of greening big trees and protection of famous wood and ancient trees are effectively solved, the survival rate of greening big trees can be increased by 40 percent, and the resource cost is lowered by 50 percent; 2, the service and growing lives of the greening big trees can be prolonged by at least 2-5 times; 3, the national forest resources and cultural relics can be effectively protected; 4, a novel way for artificial big trees is opened; and 5, the three-dimensional netlike fast-growing combined big tree has the comprehensive characteristics of singularity, culture, artistic quality, technicality, very high ornamental value and greening value, and the like. The exquisite special effect of the big tree contributes to urban development and progress of green ecological civilization.

The invention relates to the technical field of parking lock, particularly to an electric union controlled parking lock combined with Internet of things (IoT) based on Zigbee. The electric union controlled parking lock includes a bottom shell and an annular car stop lock, wherein the bottom shell is provided with a driving motor which is connected with a torque spring by a transmission rod; the driving motor is also connected with a rechargeable battery; two ends of the torque spring are respectively connected to two ends, at one side, of the annular car stop lock; and the bottom shell is provided with a Zigbee module, a bluetooth module and a GPS module. Adopting an electric parking lock as a fundamental hardware and combining with IoT, the bluetooth module and the GPS module, the electric union controlled parking lock uses the mobile app and the remote control and management system to realize the functions, in a cloud networking way, of online parking space reservation, parking space discovery, online parking space leasing, unlocking and locking control of the electric parking lock and cloud payment of parking fees, thereby solving the imbalance between supply and demand of the shortage of public parking spaces and the shortage of parking spaces and difficulty of parking in the congested road.

The invention provides a method for coking with non-coking blind coal. The method includes mixing 5-15wt% of non-coking blind coal with Rmax ranging from 2.0% to 2.5%, 15-25wt% of coal with Rmax ranging from 0.6% to 0.9%, 25-35wt% of coal with Rmax ranging from 0.9% to 1.2% and 35-45wt% of coal with Rmax ranging from 1.2% to 1.5% uniformly; feeding the above raw materials into a coke tamping furnace, coking for 25-28 hours under conditions that machine-side temperature ranges from 1325 DEG C to 1335 DEG C, coke-side temperature ranges from 1330 DEG C to 1350 DEG C, coke cake center temperature ranges from 950 DEG C to 1050 DEG C, pressure of an observation hole ranges from 4Pa to 10Pa, pressure of a gas collector pipe ranges from 95Pa to 120Pa and suction force of a flue distribution duct ranges from 235Pa to 255Pa, and obtaining cokes meeting requirements of a blast furnace for iron making. By the method for coking with non-coking blind coal, resources of coking coal are enriched, and the problem that coke quality is rapidly deteriorated due to non-coking blind coal is effectively solved.

The invention discloses a resource scheduling system based on an internet-of-things technology and a scheduling method thereof. A managing end is relied on the internet of things, and a temporary resource end is scheduled according to the shortage condition of fixed resources so as to balance the shortage of the resources. The system and method provided by the invention have the advantages that an effective software system is used for scheduling and managing temporary scattered resources so as to solve the problem of the shortage of the resources in a specific time period, and the temporary resources are scheduled, managed and monitored by virtue of the internet-of-things technology so as to ensure sequential proceeding and maximized reasonable application and enhance economic benefit and social benefit.

The invention relates to a MgO-SiC-C fireproof casting material based on forsterite-C and a preparation method thereof. In the technical proposal, forsterite and C powder are mixed according to the mol ratio of (1 to 4) to (3 to 6), and a binder of 1 to 10 percent of the mixture by weight is added. After the mixture is beaten, moulded and dried, the mixture is synthesized into MgO-SiC-C material for two to eight hours at the temperature of 1450 to 1700 DEG C under the reducing atmosphere. 10-25 weight percent of 10-5mm granule, 15-25 percent weight of 5-3mm granule, 15-25 weight percent of 3-1mm granule, 10-20 weight percent of 1-0mm granule, 25-35 weight percent of 0.1-0mm fine powder are mixed with 2-8 weight percent of the binder, and are beaten uniformly, thus getting the MgO-SiC-C fireproof casting material. The manufacturing cost of the invention is low; the process is simple; and the fireproof casting material prepared has good performance, and is widely applied.

The invention discloses a reuse method for an automobile body controller MCU port. The reuse method is characterized in that the P2.2 port of an automobile body controller MCU is connected with an ACC detection circuit and a BEEP sound output circuit at the same time, the BEEP sound output circuit is connected with a power amplification circuit, and the P2.2 port is used for ACC detection, high-low voltage detection and button BEEP sound output respectively. The reuse method has the advantages that one port of the automobile body controller MCU is used for achieving ACC detection, high-low voltage detection and button BEEP sound output at the same time, so that the problem that the port resource of the MCU is scarce is solved, and the automobile body controller MCU of existing automobiles can be improved, so that the condition is provided for arranging automobile-mounted electronic products on the automobile body controller MCU.

The invention discloses a distributed resource allocation method in a horizontal dynamic cloud alliance. The method includes that a local cloud provider sets an initialized tentative resource price according to demands of the local cloud provider for resources and sends the information of the initialized tentative resource price to various cooperative cloud providers, the cooperative cloud providers enter into a competing iterative stage, the cooperative cloud providers calculate the quantity of resources which can be provided by each cooperative cloud provider and send the information of the quantity of resources to the local cloud provider according to the resource price information sent by the local cloud provider and conditions of each cooperative cloud provider, the local cloud provider calculates the total quantity of resources supplied by the cooperative cloud providers according to a received feedback message and judges whether the calculated total quantity of supplied resources is equal to the quantity of resources required by the local cloud provider or not, if the calculated total quantity of supplied resources is equal to the quantity of resources required by the local cloud provider, the competing iterative stage is stepped out, and if the calculated total quantity of supplied resources is not equal to the quantity of resources required by the local cloud provider, the local cloud provider adjusts the resource price according to a certain rule.

The invention discloses a culture method for thesium chinense tissue culture vessel seedlings. The culture method includes the steps that tender and strong branch blades of wild thesium chinense plants in spring are selected as explants, a callus tissue induction medium is inoculated with the explants to generate callus tissue through culture and induction, and after 3 weeks, the callus tissue generated through induction is transferred to a fresh culture medium to be subcultured; the callus tissue obtained through subculturing is proliferated in a light culture differentiation mode to the 30th day, and an MS solid culture medium is used for induction culture for 15-20 days to obtain the thesium chinense root-free seedlings; the induced root-free seedlings are cut into single seedlings, a proliferation culture medium is inoculated with the single seedlings, and the proliferation coefficient is 8.5 by means of 26-day culture. The thesium chinense root-free seedlings obtained through rapid proliferation are thin and need strong seedling culture, after strong seedling culture is conducted for 15 days, blades are thickened and widened, stems are thickened, the seedlings are strong and normal in color, the culture medium attached to the stem base is washed away, and the seedlings are spread and cooled for 3 days to serve as kaempferol extract raw materials. The culture method has the advantages of being high in proliferation speed, short in production cycle and capable of realizing large-scale production, being not limited by seasons, achieving continuous production and not occupying cultivated land.

The invention discloses soil stabilizer, which consists of industrial waste and chemical reagent, wherein the industrial waste consists of ground steel slag, coal gangue powder after being spontaneously-combusted, grain slag or furnace slag, the chemical reagent consists of calcium oxide, powder grinding aid and sodium sulfate, wherein the mass ratio of the industrial waste and the chemical reagent is 7: 3, and the fineness of the stabilizer powder is brinell specific surface area 500 to 900 m<2>/kg. The soil stabilizer has beneficial effects that mixture of the industrial waste is adopted as raw materials, so that the environmental pollution caused by the industrial waste can be solved; the original chemical activity of the mixture is used for rapidly condensing and solidifying the soil and sand, and no other surface active agent and alkaline excitant is needed, so that the cost is remarkably reduced, simultaneously the construction speed is fast, and the delivery period can be shortened; and the soil stabilizer is widely applied to the dam crest solidification and slope protection of foundation layers of road engineering and hydraulic engineering and is free from being restricted by any environment.

The invention discloses a health food with an immunity boosting function and a preparation method thereof. The health food is prepared by mixing the following components in parts by weight: 30-50 parts of cordyceps sinensis mycelium powder, 30-50 parts of epimedium extract and 5-20 parts of rhizoma polygonati extract. The preparation method comprises the steps of: preparing the cordyceps sinensis mycelium powder by using a deep fermentation method, preparing the epimedium extract and the rhizoma polygonati extract by using a conventional method, weighing and mixing the raw materials according to proportion by weight, and preparing a pharmaceutical drug such as particles, tablets or capsules by using a conventional preparation technology. In allusion to the functional components in different raw materials, different preparation methods are used and a membrane separation technique is used in the aspects of separation and purification of polysaccharide. According to the technology, the prepared product has remarkable health efficacy, the process is easy in operation and the industrial production cost can be effectively reduced.

The invention discloses impervious anti-cracking machine-made sand concrete. The impervious anti-cracking machine-made sand concrete is characterized by comprising the following components in parts byweight: 450-480 parts of cement, 80-130 parts of coarse aggregates, 60-80 parts of fine aggregates, 60-90 parts of super-fine sand, 650-750 parts of machine-made sand, 90-120 parts of emery, 1100-1130 parts of broken stones, 10-18 parts of impervious powder, 24-32 parts of a shrinkage reducing agent, 18-23 parts of a water-reducing agent and 0-8 parts of a defoaming agent. The impervious anti-cracking machine-made sand concrete has the beneficial effects that preparation of high-performance concrete from the impervious agent and the machine-made sand is a leading development direction in thetechnical field of concrete preparation, the requirements for permeability resistance and waterproofness are met, the problem that river sand resources are in shortage is solved, smooth construction of concrete engineering and excellent quality of a concrete structure are ensured, construction is facilitated, and the cost is low.

The invention belongs to the technical field of road engineering asphalt materials, and relates to a preparation method of pig manure bio-oil. The preparation method comprises the steps of 1) pretreating pig manure to obtain pig manure particles; 2) pyrolyzing and liquefying the pig manure particles obtained in the step 1) by adopting a rapid thermal cracking and liquefying process to obtain bio-oil prepared from pig manure, so that the pollution problem caused by pig manure solid wastes is solved, the high-added-value utilization of the pig manure is realized, and the method has important environmental protection and economic values; and the biological asphalt prepared from pig manure is obtained by replacing matrix asphalt with pig manure bio-oil and is used for road pavement, so that asphalt can be replaced by a sustainable road building material, and the problem of asphalt resource shortage caused by petroleum resource exhaustion is solved. The preparation method has the advantagesof simple preparation, easy operation, high efficiency, convenience, low raw material cost, better pavement performance, resource saving, environmental protection, cyclic utilization of wastes, and good application and popularization prospects.

The invention relates to coal briquette binders, particularly relates to a binder special for a coal briquette for Lurgi pressurized gasification, and more particularly relates to a binder, which contains silica gel, silica alumina and ammonium carbamate, special for a coal briquette for Lurgi pressurized gasification. The invention further relates to a coal briquette containing the binder and a preparation method of the coal briquette.

The production process of medicinal active component phytolaccatoxin belongs to medicine technology and biological technology. The process includes conversion with cotyledon and plumular axis sprouting for seven days as inducing material; infecting explant in bacteria fluid, bateria-free water washing and culture in dark place for two days; secondary culture for at least five times in culture medium with Cedfotaxime to eliminate agrobacterium or high temperature sterilizing through transferring hairy root into thermotank at 39.5 deg.c to culture for 48 hr; separating hairy roots one by one, and culture in 1/2MS culture liquid in large amounts to produce phytolaccatoxin and pokeberry polysaccharide. The present invention has the advantages of high yield and stable content.

The invention provides a concrete mineral admixture capable of improving chloride ion penetration resistance. The concrete mineral admixture is characterized by comprising the following components inpercentage by weight: 40-70% of calcined kaolin tailings, 20-50% of limestone powder, 0-10% of gypsum, 0-5% of slaked lime, 0-0.02% of a water-retaining agent and 0-0.5% of an early strength agent. According to the mineral admixture, a large amount of accumulated kaolin tailings and widely existing limestone are used as raw materials and matched with other additives, and the mineral admixture is simple in production process, low in cost, energy-saving and environment-friendly. The mineral admixture can effectively improve the capability of resisting chloride ion penetration of concrete in theearly stage.

The invention relates to the technical field of artificial intelligence, and discloses a retrieval method, which comprises the steps of receiving a consultation statement input by a user, and extracting a keyword; inputting the keyword into a preset filter, and querying a database set containing answers corresponding to the question information in a database cluster; converting the question information into sentence vectors according to a preset text vector conversion tool; sharing the sentence vectors to each database in a database set, and controlling each database to search similar vectorsto obtain an answer vector set; converting the answer vector set into sentences through a text vector conversion tool to obtain an answer set corresponding to the question information. The invention further provides a retrieval device, equipment and a storage medium, retrieval is achieved by conducting separate multi-database storage on the retrieved data, the overall retrieval time is shortened,the retrieval speed is greatly increased, and therefore the use experience of a user is improved.