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431results about How to "Play effectively" patented technology

Method and system for estimating remaining available capacity of lithium ion power battery pack

The invention discloses a method and system for estimating remaining available capacity of a lithium ion power battery pack. The method comprises the following steps: recording the current value in the charging process and the time used by charging, and calculating the total available capacity of the lithium ion battery at the starting time of discharging, thereby obtaining the total available capacity A of the lithium ion battery; recording the open-circuit voltage and the voltage drop delta V in the discharging process, selecting the curvilinear function used by calculating the remaining available capacity percentage through the voltage drop delta V, and obtaining the remaining available capacity percentage a of the lithium ion battery; obtaining the service efficiency of the remaining available capacity SOC of the battery at the current temperature by utilizing the relation between temperature and remaining available SOC; and adding A*a* of all the batteries to obtain the remaining available capacity of the lithium ion battery pack. The system for realizing the method comprises a voltage, current and temperature monitoring module for monitoring the battery pack information, the monitoring module feeds the monitored information back to the MCU, and the MCU outputs the estimated remaining available capacity of the lithium ion power battery.
Owner:SOUTH CHINA NORMAL UNIVERSITY

Air cooling unit defrosting control method and system

The invention discloses an air cooling unit defrosting control method and an air cooling unit defrosting system. The method comprises the steps that: a controller collects environment temperature and air suction pressure, and the air suction saturation evaporation temperature corresponding to the air suction pressure is calculated; whether the condition conforms to the defrosting condition or not is judged, and if so, a unit carries out defrosting; the controller collects the coil pipe temperature, and whether the condition conforms to the defrosting quitting condition or not is judged; if the condition conforms to the defrosting quitting condition, the unit quits the defrosting; and if the condition does not conform to defrosting quitting condition, the defrosting is not quitted until the condition conforms to the defrosting quitting condition. When the technical scheme disclosed by the invention is adopted, the defrosting degree of a unit air side heat exchanger is determined through the function relationship between the environment temperature and the saturation evaporation temperature corresponding to the air suction pressure, whether the defrosting is needed or not is determined, the conditions of occurrence of false defrosting and frequent defrosting are avoided, and the unit is ensured to effectively exert the capability during the heating operation.
Owner:QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD +1

Branched polyethylene glycol iso-bifunctional derivative, as well as preparation method and two-component biological related substance conjugate thereof

The invention discloses a branched polyethylene glycol iso-bifunctional derivative, as well as a preparation method and a two-component biological related substance conjugate thereof. The structure ofthe branched polyethylene glycol iso-bifunctional derivative is shown as a general formula (1) and contains i (more than or equal to 2) alkoxy-terminated PEG chains, U is a branched center of a valence state i+1, Ld does not exist or becomes a bivalent linking group, and the iso-bifunctional end is composed of a trivalent branched center G and two different functional ends F1 and F2 and respectively independently contains a plurality of functional end groups R01 and R02 of the same type. Two functional groups of the branched polyethylene glycol iso-bifunctional derivative are positioned on the same side of the branched polyethylene glycol component, a product of the conjugated biological related substance is a branched polyethylene glycol two-component biological related substance, the functional groups are conjugated with two different biological related substances and are uniformly distributed on the same side of the polyethylene glycol component, and the derivative is capable of improving properties of targeted drugs, optically marked drugs and the like and is expected to be applied to the field of drug combination. The structural formula is as shown in the description.
Owner:XIAMEN SINOPEG BIOTECH

Human body ear acupuncture point positioning method and device

InactiveCN103735407APrecise positioningAcupoint positioning is convenientDevices for locating reflex pointsHuman bodyMedicine
The invention discloses a human body ear acupuncture point positioning method and device, and belongs to the fields of Chinese medicine and computers. The method and device solve the problems that the conventional acupuncture point positioning method requires applying voltage to human body and the conventional acupuncture point positioning device is not suitable for realizing accurate positioning to areas where acupuncture points are dense. The method comprises the steps of collecting images of areas to be positioned, selecting an area to be positioned and reading a corresponding local acupuncture point diagram from an acupuncture point database according to the area, obtaining a skeleton diagram and comparing the skeleton diagram with the local acupuncture point diagram, so as to obtain a fitting image, selecting a positioned acupuncture point, and controlling a laser designator to emit indicating laser beam to a part to be positioned according to the position of the positioned acupuncture point in the fitting image. In the positioning device, the position of a part to be tested is fixed through a bracket, and the image is collected and the indicating laser beam is emitted to be projected to an ear corresponding acupuncture point through image collection and acupuncture point indicating devices. The design concept of the method and the device can be extended to positioning methods and devices for other parts of human bodies.
Owner:HEILONGJIANG UNIV OF CHINESE MEDICINE

Chemical synthetic pharmaceutical wastewater treatment device and method

The invention discloses a chemical synthetic pharmaceutical wastewater treatment device. The device comprises a pre-exposition adjustment pond, an enzyme supplementation anaerobic pond, an enzyme supplementation contact oxidation pond, an MBR biochemical pond and a sludge concentration pond; a reflux pipeline is connected between the pre-exposition adjustment pond and the enzyme supplementation anaerobic pond, a reflux pipeline is connected between the enzyme supplementation anaerobic pond and the enzyme supplementation contact oxidation pond, and a reflux pipeline is connected between the enzyme supplementation contact oxidation pond and the MBR biochemical pond; a biological suspension ball and an oxidation reduction potential (ORP) control system are arranged in the pre-exposition adjustment pond; an ORP control system, an MLSS online monitor and a DO online monitor are arranged in the MBR biochemical pond. The invention further discloses a sewage treatment method adopting the device. The method is resistant to high salinity, high in COD removal rate and remarkable in decoloration function, and the decoloration effect of wastewater high in treatment difficulty and the degradation effect of organic matter hard to degrade are remarkable. Moreover, the treatment cost is low, operation is simple, and the effluent quality index is stable; a composite biological enzyme obtained through the method can keep activity for a long term, and therefore the system has a long-lasting treatment effect.
Owner:福州晨翔环保工程有限公司

Methods for preparing and applying titanium dioxide-carbon composite photocatalyst

The invention relates to methods for preparing and applying a titanium dioxide-carbon composite photocatalyst. The technical scheme is that the method for preparing the titanium dioxide-carbon composite photocatalyst comprises the following steps of: preparing an ordered macroporous-mesoporous carbon material and TiO2 sol respectively, soaking the aged TiO2 sol on the prepared macroporous-mesoporous carbon material by an impregnation method, drying, raising the temperature and calcicining to obtain a TiO2/C composite photocatalyst material. The method for applying the titanium dioxide-carbon composite photocatalyst is that photocatalytic reaction conditions are that: the adding amount of the titanium dioxide-carbon composite photocatalyst is 1 to 6g/L; a light source is an ultraviolet or visible light source and directly irradiates a solution, the depth of the solution is 0.4 to 0.6cm, and the exposure dose per unit area on the surface of the solution is 12.5 to 12.8mW/cm<2>; and the temperature of a solution system is kept at 20 to 40 DEG C, and air is continuously introduced to maintain the concentration of dissolved oxygen. Macroporous-mesoporous carbon material supported titanium dioxide is used as a photocatalyst, so that TiO2 has high dispersity and photocatalytic activity, and is easier to recycle.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Catalyst loading component and loading method thereof

The invention relates to a catalyst loading component and a loading method thereof for a catalytic distillation tower, comprising a catalyst basket and a bracket. The catalyst basket consists of a basket body, an upper cover and a bottom support, wherein the upper cover is mounted at the upper end of the basket body; the bottom support is mounted at the lower part of the basket body; the height of the basket body from the bottom support of the catalyst basket to the upper cover is 1.1-2 times of the height of the portiforium part of a cover hood in the catalytic distillation tower; the height from the bottom support to the lower basket body is 1.1-2 times of the height of a down-flow spout above a column plate in the catalytic distillation tower; the bracket is in a frame structure matched with the cover hood; and the bottom support of the catalyst basket is arranged on the bracket. The method is used for the catalytic distillation tower, realizes forcible redistribution of liquid in the tower, prolongs the flowing path of a gas phase and a liquid phase in a catalyst bed, enhances the holdup of liquid in a reaction area and ensures the mass exchange and catalytic effect. The loading method has simple process, convenient operation, improved efficiency, low cost and easy actualization and is helpful to fully exert the action of the catalyst.
Owner:PETROCHINA CO LTD

Composite board and preparation method

The invention provides a composite board and a preparation method. The composite board comprises a surface layer and an intermediate layer, wherein the intermediate layer comprises a composite layer and a fiber gridding cloth layer; the surface layer is respectively prepared from the following raw materials in parts by weight: 20 to 50 parts of cement, 10 to 50 parts of mineral powder, 0.5 to 5 parts of surface-layer minerals, 2 to 35 parts of plant fiber, 0.2 to 2 parts of chopped composite fiber, 10 to 50 parts of water and 1 to 3 parts of an additive; the composite layer is prepared from the following raw materials in parts by weight: 30 to 40 parts of sulfate aluminum cement, 20 to 30 parts of the mineral powder, 5 to 10 parts of micro-nano silicon powder, 25 to 30 parts of the plant fiber, 0.5 to 1 part of the chopped composite fiber, 15 to 30 parts of the water and 1 to 3 parts of the additive; the composite layer and the fiber gridding cloth layer are paved at intervals. By adopting a compounding technology of ultrafine mineral powder and the additive and through an interface agent, fiber gridding cloth is treated; by adopting a high-pressure compression molding technology,the water absorption rate of a bare board of the composite board is smaller than or equal to 7.0 percent; through 28-day maintenance, the bending strength is greater than or equal to 40 MPa, the tensile strength is greater than or equal to 50 MPa, the humidity deformation is smaller than or equal to 0.01 percent, and the impervious performance and the corrosion resistance are enhanced.
Owner:HEBEI ZHUODA BUILDING MATERIALS RES INST CO LTD

Bleaching compound enzyme for papermaking and preparation method of bleaching compound enzyme

The invention discloses a bleaching compound enzyme for papermaking and a preparation method of the bleaching compound enzyme. The bleaching compound enzyme for papermaking, which has the advantages of complete enzyme system, good bleaching effect, easiness in preservation and good storage stability, is prepared by taking high temperature-resistant alkaline xylanase as main raw material, scientifically compounding a thermophilic bacillus culture, laccase and a medium thereof, dextranase, EDTA (ethylenediaminetetraacetic acid), a protecting agent, an activator, mannose, lipase, tannase, pectase, a whiteness stabilizer, a nonionic surfactant, an antioxidant and the like, completely retaining paper pulp cellulose and simultaneously dissolving out and degrading lignin to the greatest extent. The bleaching compound enzyme disclosed by the invention can significantly improve yield and quality of paper pulp against broad-leaf wood, coniferous wood and reed yellow slurry, and the whiteness is improved by 10.94%, 11.97% and 11.10% respectively; the yellow index is reduced by 39.84%, 37.31% and 24.32% respectively; the amount of conventional chemical products can be saved by 50-60%; and the purposes of reducing cost and protecting an environment are finally achieved.
Owner:黄冈晨鸣浆纸有限公司

Road phase-change temperature regulator and preparation method thereof

The invention provides a road phase-change temperature regulator. The road phase-change temperature regulator is prepared from a phase change material, white carbon black, ethyl cellulose, a plasticizer and an organic solvent. The invention further provides a preparation method of the road phase-change temperature regulator. The preparation method of the road phase-change temperature regulator comprises the following steps: 1, uniformly stirring the plasticizer and the organic solvent to obtain a mixed solution; 2, adding the ethyl cellulose into the mixture to obtain a glue solution; 3, making the phase change material and the white carbon black into a moulded phase change material; and 4, uniformly stirring the moulded phase change material and the glue solution, and heating and drying to obtain the road phase-change temperature regulator. The road phase-change temperature regulator is wide in raw material source, simple in process and low in production cost and can be produced in batches on a construction site directly; and the road phase-change temperature regulator has a micro-scale capsule structure, can perform phase change along with change of the ambient temperature and store or release energy, can effectively regulate the surface temperature of a road and improve the capability of the road in responding to the change of the ambient l temperature.
Owner:CHANGAN UNIV
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