41results 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 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 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 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 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 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.

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 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 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 discloses a road coating capable of adsorbing tail gas as well as a preparation method and an application thereof. The road coating material is prepared from raw materials in parts by weight as follows: 42-50 parts of seaweed clay, 17-25 parts of vermiculite, 5-13 parts of cocamidopropyl betaine, 11-19 parts of triethanolamine and 3-7 parts of citric acid. The road coating material takes the seaweed clay and the vermiculite as main raw materials, after treatment with other substances, excellent characteristics of all raw materials are reasonably utilized, and the road coating can purify NOX, HC compounds, CO and other harmful gas in the air, has a certain effect on absorbing greenhouse gas, namely, CO2 and significantly improves the road environment. The road coating is pollution-free and high in mechanical and chemical stability and durability. The road coating is simple and convenient to construct and has excellent pavement performance, the construction process is simple, raw materials are non-toxic and harmless, and the road coating has great social benefit in improving road use quality and protecting the environment.