42results about How to "Rich in resources" patented technology

The present invention is one which provides a production process for lithium-silicate-system compound, the production process being characterized in that: a lithium-silicate compound being expressed by Li2SiO3 is reacted with a substance including at least one member of transition-metal elements that is selected from the group consisting of iron and manganese at 400-650° C. in a molten salt of a carbonate mixture comprising lithium carbonate and at least one member of alkali-metal carbonates that is selected from the group consisting of potassium carbonate, sodium carbonate, rubidium carbonate and cesium carbonate in a mixed-gas atmosphere including carbon dioxide and a reducing gas; and a positive-electrode active material for lithium-ion secondary battery that comprises a lithium-silicate-system compound being obtained by the aforesaid process.In accordance with the present invention, it becomes feasible to produce lithium-silicate-system materials, which are useful as positive-electrode active materials for lithium-ion secondary battery, and the like, by means of relatively simple and easy means.

The present invention discloses an iron-based cathode material for a sodium-ion battery, which comprises a Na3Fe2(SO4)3F material and a carbon-based material embedded into the bulk structure of Na3Fe2(SO4)3F material. The weight percentage of the carbon-based material is ranked between 1% and 10%. The present invention also provides a method for preparing the above-mentioned iron-based cathode material for a sodium-ion battery, and a corresponding sodium-ion full battery using the Na3Fe2(SO4)3F-based cathode material. The Na3Fe2(SO4)3F cathode material ensures desired electrochemical sodium storage performance, involving high specific sodium storage capacity, improved cycle stability and superior rate performance in comparison with that of various pristine NaxFey(SO4)z materials. The actual operating potential of the reported sodium-ion full battery in the present invention is significantly higher than the output potential of existing commercial sodium-ion full batteries, and the increase in battery energy density is also achieved.

The invention discloses a fault diagnosis device for a spindle bearing of a roadheader cutting head and a use method thereof. The device is characterized in that a central processing unit monitor is connected, via a signal conditioning circuit, with acceleration transducers which are respectively mounted at a front bearing casing and a rear bearing casing of the spindle of the roadheader cutting head. The monitor, an embedded real-time multitask operating system, comprises an original signal vibration amplitude monitor device, a signal feature extraction device and a maintenance guidance module. The use method of the device comprises the steps: vibrating signals of the front and rear bearings of the spindle are online measured to obtain wear-out failure signature spectrum of the spindle bearing, the failure signature spectrum and corresponding maintenance guidance are stored in the monitor; and signal features are extracted by online monitor signals and then compared with the spectrum to analyze diagnosis policy, and maintenance guidance advice in relation to the wear-out failure of the spindle bearing is given. On the premise of overcoming the difficulty problems of large vibration amplitude, adverse working environment and the like of the roadheader cutting head, the device identifies the wear-out failure of the spindle bearing of the roadheader cutting head reliably and is accordingly suitable for the diagnosis of mechanical faults which are widely present in the roadheader cutting head.

The invention relates to a method for using alga polyphenol to prevent blackening of seawater shrimps, and the method comprises steps of: 1, selecting fresh algae, washing and draining the algae, and smashing the algae to slurry by a tissue homogenizer for standby; 2, using ethanol with concentration of 80-90% to blend the slurry and the ethanol uniformly to prepare a material liquid, according to the ratio of the slurry to the ethanol being 1g / mL: 6-8g / mL, processing the material liquid in a supersonic wave processor for 2-5 minutes, and then low-fire processing for 2-5 minutes in a microwave oven; 3, putting the microwave processed material liquid into a water-bath shaker at a temperature of 55 DEG C-65 DEG C, carrying out light-free extraction for 0.5-2 hours at a rotating speed of 80-120 r / min, carrying out pumping filtration process, and the alga polyphenol solution containing the alga polyphenol is obtained; 4, immersing the seawater shrimps by using the alga polyphenol solution with concentration of 180-220 ug / mL for 5-15 min, air drying, dishing up, and wrapping the shrimps with a PE preservative film and refrigerating the shrimps at 3+ / - 1 DEG C. The method of the invention has the advantages of simple operation, low cost, and good effect for preventing blackening, can be widely used for preventing the blackening of seawater shell-fish products, can prolong shelf life of the products, promote goods value, simultaneously improve added value of the algae, and has important meanings for increasing economic benefit and promoting fishery synergy.

The invention discloses a wide and thin specification NM450 wear-resistant steel plate and relates to the technical field of metallurgy. The wide and thin specification NM450 wear-resistant steel plate comprises the following chemical ingredients of, in percentage by mass, 0.18-0.22% of C, 0.20-0.60% of Si, 0.8-1.2% of Mn, less than or equal to 0.012% of P, less than or equal to 0.003% of S, 0.30-0.50% of Cr, 0.008-0.030% of Ti, 0.0008-0.0025% of B and the balance Fe and unavoidable impurities. According to the wide and thin specification NM450 wear-resistant steel plate and a fabrication method, the designed wear-resistant steel reaches the 450 HB grade in brinell hardness and has a chemical ingredient system of good toughness and high strength, a related rolling and heat treating processis simple, the controllable range of heat treating parameters is wide, the comprehensive performance of products is good, and the wide and thin specification NM450 wear-resistant steel plate and thefabrication method have good development value and market prospects.

The invention discloses modified asphalt concrete for purifying air, which comprises traditional asphalt concrete and tourmaline, wherein the use quantity of the tourmaline is 10-40% of the mass of asphalt in the traditional asphalt concrete, and the tourmaline is tourmaline powder and / or tourmaline anion powder. The modified asphalt concrete has remarkable air purifying effect and can effectively purify NOX (Nitrogen Oxide and Nitrogen Dioxide), HC (Hydrocarbon Compounds), CO (Carbon Monoxide) and other harmful gases exhausted by automobiles. Meanwhile, the modified asphalt concrete has certain effect of absorbing greenhouse gas CO2 (Carbon Dioxide) and can obviously improve road surrounding environment. The modified asphalt concrete has the advantages of excellent pavement performance, simple construction technology and nontoxic and harmless raw materials and has great social benefits in the aspects of improving the application quality of asphalt pavement and protecting the environment.

The invention relates to a distributed environment monitoring system based on WIFI (Wireless Fidelity) and belongs to the technical field of embedded wireless monitoring. The system comprises a wireless monitoring terminal. The system acquires parameters of the ambient environment by technologies of RS485 bus, analog / digital (A / D) conversion and the like, transmits data to a remote server by a WIFI technology with high transmission speed and strong anti-jamming ability and acquires the maximum energy of a solar battery panel by a maximum power point tracking technology to supply power for the system. The received data stream of extensive makeup language (XML) is analyzed by an environment monitoring center server, stored in a database and presented to an administrator clearly and quickly by a Java sever page (JSP), so that the administrator can control the change condition of the environment factor in real time. The system effectively solve the problems of wiring difficulty, high cost, short transmission distance and manual monitoring insufficiency in the environment monitoring process, obviously improves the operation efficiency of the system, facilitates maintenance of the system, and provides a stable high-efficiency operating platform for the environment monitoring work with widely distributed nodes and complex geographical environment.

The invention discloses an insulation mortar and a preparation method thereof, which belong to the technical field of the cement mortar. The insulation mortar comprises the following components: 100-150 parts of ordinary portland cement, 50-80 parts of vitreous bead, 50-70 parts of pregelatinized starch, 20-50 parts of coated expanded perlite, 20-30 parts of diatomite, 10-20 parts of modified attapulgite, 10-15 parts of rubber particles, 10-15 parts of plant composite fiber, 2-8 parts of soluble glass, 2-6 parts of carboxymethyl cellulose, 2-6 parts of fireproof particles, 1-6 parts of active admixture, 0.2-1.2 parts of a water repellent, 0.2-0.6 parts of a physical foaming agent, and 100-200 parts of water. The preparation method comprises the following steps: 1) preparing the coated expanded perlite; 2) preparing the straw-coated particles; 3) preparing a slurry; and 4) preparing the finished product. The insulation mortar has the advantages of excellent crack resistance, high bonding intensity and strong adhesive force.

The invention discloses a pavement cooling material which is formed by mixing the following raw materials in part by weight: 45-55 parts of film forming matters, 35-45 parts of tourmaline and 4-8 parts of aids. Each film forming matter is prepared by mixing epoxy resin, polyamide curing agent and methanol diluent according to the mass ratio of 1:(0.3-0.5):(0.05-0.2); the tourmaline is tourmaline powder and / or tourmaline negative ion powder; and each aid is prepared by dispersing agent, defoaming agent and flatting agent according to the mass ratio of (0.5-1.5):(0.5-1.5):1. The pavement cooling material has the advantages that the tourmaline is taken as a main raw material, the excellent characteristics of the tourmaline is reasonably utilized, and the material converts heat energy into electric energy and other energies through a energy conversion principle, not only has a remarkable cooling effect, but also is low in cost, simple in process and convenient in construction and has the most prominent advantages of intelligence and environmental friendliness.

The invention provides a (Eu0.5Nb0.5)0.01Ti0.99O2 ultralow-dielectric loss high-dielectric constant ceramic dielectric material added with Bi2O3 and a preparation method thereof. The stoichiometric equation is xwt%Bi2O3-(100-x)wt%(Eu0.5Nb0.5)0.01Ti0.99O2, wherein x is more than 0 and less than or equal to 3. The preparation method comprises the following steps: batching according to the chemical composition, mixing, drying, screening, pre-sintering, performing secondary wet milling, cold isostatic pressing, sintering into ceramics, silver firing and performing other processes, so as to obtainthe ultralow-dielectric loss high-dielectric constant ceramic dielectric material. The dielectric material prepared in the invention has the dielectric constant of more than 25000 and minimum dielectric loss of 0.015, and has excellent frequency (20-106Hz) and temperature stability (150 DEG C below zero to 200 DEG C). The dielectric material prepared in the invention has high practicality, and canbe applied to the microelectronic industry, particularly dynamic random access memory and high dielectric ceramic capacitors.

The invention discloses a heat insulation mortar and a preparation method thereof, and relates-the technical field of cement mortars. The heat insulation mortar comprises 100-150 parts of ordinary Portland cement, 50-80 parts of glazed hollow beads, 50-70 parts of pre-gelatinized starch, 20-50 parts of coated expanded perlite, 20-30 parts of diatomaceous earth, 10-20 parts of modified attapulgite,10-15 parts of rubber particles, 10-15 parts of plant composite fiber, 2-8 parts of water glass, 2-6 parts of carboxymethylcellulose, 2-6 parts of refractory particles, 1-6 parts of an active admixture, 0.2-1.2 parts of a water repellent, 0.2-0.6 part of a physical foaming agent and 100-200 parts of water. The preparation method comprises the following steps: (1) preparing the coated expanded perlite; (2) preparing straw coated particles; (3) preparing a slurry; and (4) preparing the finished product. The heat insulation mortar has the advantages of excellent crack resistance, high bonding strength and strong adhesion.

The invention discloses an enteromorpha-sourced angiotensin invertase inhibition peptide and a preparation method and an application thereof. An amino acid sequence of the inhibition peptide is SEQ IDNO1: Phe Gly Met Pro Leu Asp Argand / or SEQ ID NO 2: Met Glu Leu Val Leu Arg, the preparation method comprises a step of preparing enteromorpha crude protein; adding trypsin in an enteromorpha crude protein solution for enzymatic hydrolysis to obtain an enzymatic hydrolysis product; performing ultrafiltration on the enzymatic hydrolysis product, separating the material, and performing gel chromatography; collecting a third absorption peak component containing an ACE inhibition peptide; performing gel chromatography on the component containing the ACE inhibition peptide, and employing a high performance liquid chromatography for separating, and collecting the eighth absorption peak component containing the ACE inhibition peptide to obtain the inhibition peptide. The enteromorpha-sourced angiotensin invertase inhibition peptide has the advantages of strong antihypertensive activity, high security, no toxic and side effect, and easy absorption by human body.

A process is provided, process which makes it possible to produce lithium-borate-system materials by means of relatively simple means, lithium-borate-system materials which are useful as positive-electrode active materials for lithium-ion secondary battery, and the like, whose cyclic characteristics, capacities, and so forth, are improved, and which have better performance. The present production is characterized in that a divalent metallic compound including at least one member of compounds that is selected from the group consisting of divalent-iron compounds and divalent-manganese compounds, and boric acid as well as lithium hydroxide are reacted at 400-650° C. in a molten salt of a carbonate mixture comprising lithium carbonate and at least one member of alkali-metal carbonates that is selected from the group consisting of potassium carbonate, sodium carbonate, rubidium carbonate and cesium carbonate in a reducing atmosphere.

The invention discloses mixed substrate biomass activated carbon and a preparation method thereof. By adopting the method, shaddock peel and walnut shells are mixed in a mass ratio of 3:7 to prepare an activated carbon precursor, and by using a chemical activation method, an activator is added to carry out high-temperature pyrolysis, and thus the novel mixed substrate biomass activated carbon is prepared. Compared with biomass activated carbon which is prepared from single raw materials, and commercial activated carbon, the prepared mixed substrate biomass activated carbon has excellent adsorption properties, and the novel mixed substrate biomass activated carbon is capable of making up defects of an activated carbon precursor which is prepared from single raw materials, and has certain commercial values. Meanwhile, by adopting the preparation scheme, a new idea is provided for environmental-friendly utilization of biomass wastes.

The invention relates to a marine engine dynamometer test system, which includes a diesel engine, a sensor, a cylinder pressure adjustment module, a single-chip controller, a peripheral circuit, a trigger signal adjustment module and an upper host, wherein the cylinder pressure adjustment module and the trigger signal adjustment module, The single-chip controller is connected to the cylinder pressure conditioning module, and the single-chip controller and the trigger signal adjustment module are respectively connected to the host computer. The invention has high integration, richer internal resources, fast data analysis speed, high precision, works stably in working environments such as high temperature and vibration, and can accurately measure the cylinder pressure of a marine engine.

The invention relates to a preparation method of an insulating brick containing plant straws. The preparation method is characterized in that the insulating brick is produced from the raw materials in parts by weight: 70-80 parts of the plant straws, 13-25 parts of magnesium hydroxide and 5-10 parts of isocyanate and comprises the steps: crushing the plant straws to obtain crushed plant straws with the fiber length of 5-10mm, drying the crushed plant straws until the moisture content is 8 percent according to the weight percentage, weighing the plant straws according to the parts by weight, adding the magnesium hydroxide and the isocyanate as a binder according to the parts by weight, carrying out mixing and burdening, then carrying out prepressing with the precompression of 500 tons, then carrying out compression molding with the die pressure of 1.2 kilotons, heating to 110 DEG C by virtue of a high-frequency electromagnetic induction method, and carrying out hot pressing for 3-6 minutes to form the insulating brick. According to the production method disclosed by the invention, with the plant straws as main raw materials, the produced insulating brick has a good fireproof performance without needing secondary insulation; in addition, the insulating brick is rapid in construction, has a favorable anti-seismic effect and has the shock strength according with the stipulations of a national standard in wall materials.

The invention relates to a multimedia resource recommendation method and device, electronic equipment and a storage medium, which are used for solving the problem that the current recommendation method is relatively single. According to the embodiment of the invention, in response to a request for displaying a page, screening parameters corresponding to multimedia resources are determined according to account feature information of a target account and attribute information of the multimedia resources; and at least according to the screening parameters corresponding to the multimedia resources, target multimedia resources are screened out from the multimedia resources in the candidate multimedia resource set, and a display page is generated. According to the embodiment of the invention, the current situation of the screening condition of only executing the operation on the short video based on the account at present is changed, and multiple screening conditions are provided, so that the resource screening is more accurate. Meanwhile, due to the fact that the screening dimension for releasing the new resources after the account receives the recommended resources is increased, the number of the new resources released after the account receives the resources can be increased, and the resource quantity in the database is enriched.

The invention discloses a preparation process for sintering a brick by using straws and clay, relating to the technical field of building materials. The preparation process comprises the following steps: (1) weighting the clay, smashed plant straws and a combustion improver according to the mass ratio of 10:7:1, and uniformly mixing the raw materials to obtain a material a for later use; (2) adding wood and plastic flour, and uniformly mixing the wood and plastic flour and the material a to obtain a material b, wherein the wood and plastic flour accounts for 1% of the total mass of the material a; (3) placing the material b into stirring equipment for stirring for 3-6h, and adding water in a stirring process to obtain a material c, wherein the water accounts for 2% of the total mass of the material b; (4) placing the material c into forming equipment for extrusion molding, and preparing an unburned brick according to a certain specification to obtain a material d for later use; (5) transferring the material d into refrigerating equipment for freezing treatment at the temperature of less than 0 DEG C for 2-3h to obtain a material e; (6) naturally airing the material e, and then, sintering the material e in a kiln to obtain the brick. The brick prepared by using the preparation process has the specific advantages such as low heat conductivity and heat transfer coefficient, light weight, high strength, fireproofness, acid and alkaline resistance, sound insulation, environmental friendliness, simplicity and convenience in construction and the like of a foamed concrete block and also has the advantage of pressure bearing property of the traditional internal combustion clay brick.

The invention provides an energy-saving mortar and a making method thereof. The mortar comprises cement, medium sands, yellow sands, limestone, a modification admixture, a water retaining thickener and water. The making method comprises the following steps: adding the limestone, the medium sands and the yellow sands, crushing the added substances, and screening the crushed substances by a three-layer screen to obtain fine sands; mixing the fine sands, the cement, the limestone, the modification admixture and the water retaining thickener, adding the mixed substances into a stirrer, and stirring the mixed substances at a stirring speed of 80 r / min for 2-4 h to obtain a dry mixed mortar; and adding 1 / 3 of the water into the dry mixed mortar, carrying out low-speed mixing at a stirring speed of 10-20 r / min for 10-20 min, adding the remaining water, and stirring the diluted dry mixed mortar and the water at a stirring speed of 40-50 r / min for 10-15 min in order to obtain the finished mortar. The mortar made in the invention has the advantages of few raw materials, standard quality, stable components, simple making method, certain environmental protection effect, and no pollution in the production process, so the effects of energy saving and emission reduction are achieved.

The invention relates to a large-area transmission condensation solar photoelectric photo-thermal daylighting building member quadruple coupling device, which mainly comprises light transmission glass (1), a solar cell (2), a rectangular heat collection pipe (3), an inner plate (4), an outer frame (5), an angle changing mechanism (10) for regulating the change of a solar declination angle and a translation mechanism (11). The quadruple coupling device is characterized by combining four functions of solar photovoltaic power generation, the generation of heat energy, daylighting and building members. Under the irradiation of sun light, a plurality of groups of strip condensation belts of which the area is only a fraction to several tenth of the irradiation area of the sun light are formed on the condensation surface below the light transmission glass (1); the solar cell (2) is arranged on the condensation belts to reduce the using amount of the solar cell (2); and water (or air) in the rectangular heat collection pipe (3) which lean against the reverse side of the solar cell (2) is cooled to carry away heat, so that the temperature of the solar cell (2) is not high. The large-area transmission condensation solar photoelectric photo-thermal daylighting building member quadruple coupling device realizes one device with four purposes, is low in cost and does not occupy lands. Electric energy, heat energy and daylighting which are generated by utilizing the quadruple coupling device serving as the building members such as roofs, windows, walls and the like at the sunshine position can be supplied to the production and living of people.

The utility model discloses an efficiency tester for a rod-pumped well system. A host CPU and a wireless indicator diagram sensor are communicated through a host wireless communication module. The host USB socket is connected with the host CPU through the USB conversion module. The current transformer is connected with a filter circuit in the electrical parameter measurement module. The test clampis connected with a filter circuit in the electrical parameter measurement module through an electrical parameter internal overcurrent and overvoltage protection and step-down transformer, and then is connected with the electrical parameter CPU through an electric energy metering chip and a signal isolation circuit. The electric parameter USB socket is connected with the host USB socket and the electric parameter CPU. The electric parameter USB socket is also connected with the electric energy metering chip through an isolation power supply. The host is further connected with a pressure sensor and a wellhead connector. The host USB socket can also be connected with a computer and an external USB flash disk. The efficiency tester is a multifunctional comprehensive testing instrument for testing multiple electrical parameters, indicator diagrams, working fluid levels and the like of the oil field rod-pumped well, the system efficiency of the rod-pumped well can be calculated, and accurate data are provided for working condition diagnosis and balance analysis of the rod-pumped well.

The invention discloses a tumor physiotherapy instrument.The tumor physiotherapy instrument comprises an LCD (liquid crystal display) display screen, a backlight unit, a PC (personal computer) interface, a key unit, a buzzer, a light emitting diode, a master control unit, a first voltage regulating unit, an ultrasonic atomizing unit, a water container, a first power driving unit, a fan, a water level sensor, a second voltage regulating unit, a modulation circuit, a bipolar drive, an electrode, a second power driving unit, an electric massager, a first conditioning circuit, a body temperature sensor, a second conditioning circuit and a pulse sensor.The LCD display screen, the backlight unit, the PC interface, the key unit, the buzzer, the light emitting diode, the first voltage regulating unit, the first power driving unit, the water level sensor, the second voltage regulating unit, the modulation circuit, the second power driving unit, the first conditioning circuit and the second conditioning circuit are connected with the master control unit respectively.

The invention discloses a traditional Chinese medicine composition for treating AIDS, which is prepared from, by weight, 5-10% of herba cistanche, 8-15% of polygonum multiflorum, 6-8% of eucommia ulmoides, 8-15% of fructus psoraleae, 6-10% of rehmannia glutinosa, 10-15% of astragalus membranaceus, 3-8% of licorice roots, 3-8% of cortex phellodendri, 6-10% of dry ginger, 3-8% of clove, and 10-15% of herba epimedii. A preparation method includes: cutting the raw material medicines and decocting the raw material medicines in water for two times, mixing and filtering the two decoctions, concentrating the filtrate to thick paste, relative density being 1.28-1.32, drying the thick paste into dry paste, and crushing the dry paste into powder being 80 meshes, or processing the dry paste into tablets or pills. The composition has reasonable formula and abundant resources, can improve the immune-function of AIDS patients and regulate and rebuild immune system of human body, is suitable for reconstruction for destroyed immune system caused by HIV and other viruses, can significantly reduce HIV virus load of patients, and increases the CD4 cell to a normal levels within half a year.

The invention relates to a traditional Chinese herbal medicine composite preparation for prevention and treatment of fish bacteria and virus diseases. The preparation comprises the following materials: 20-80 percent of copits ash and the balance of astragalus stalks and leaves (the part on the ground). The traditional Chinese herbal materials are mixed proportionally, then are crushed into 5-200 mesh and packaged. According to the addition ratio of 0.1-0.5 percent, the composite preparation is added into fish feed to feed fish for consecutive 3-10 days, as a result, fish bacteria and virus diseases can be effectively prevented; according to the addition ratio of 0.2-1 percent, the product is added into the fish feed to feed the fish for consecutive 1-3 days, and accordingly, the fish bacteria and virus diseases can be effectively treated.