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455 results about "Uniform - quality" patented technology

Noise and Vibration Diagnosis Device for Vehicle and Control Method Thereof

A noise and vibration diagnosis device and control method thereof are provided for measuring noise and vibration generated in a vehicle. The device may include a measuring sensor configured to be attached at a predetermined position of a vehicle to measure noise and vibration thereof, a signal input portion to which the noise and vibration signal that is generated from the measuring sensor is inputted, and a control portion configured to receive the signal that is transferred from the signal input portion and compare it with a predetermined reference value to output a replacement signal by which it is determined whether the component on which the measuring device is attached is to be replaced or not in accordance with the comparison result. The noise and vibration causing a dissatisfaction that is expressed by a customer can be diagnosed in a short time, and an objective maintenance service is provided such that the mechanic can provide reliable service to the customer. Also, the diagnosis is performed through a standard process to reduce the maintenance time and the cost thereof, and a data base for the maintenance data can be established such that the maintenance data can be commonly used to provide uniform quality among maintenance centers through a network.
Owner:HYUNDAI MOTOR CO LTD +1

Artificial light cultivating method of dendrobium candidum

The invention discloses an artificial light cultivating method of dendrobium candidum, belonging to the technical field of medical plant cultivation. The method comprises the following steps: naturalized young plants are transplanted to a nutrition pot or a potted tray containing base material and placed in a three-dimensional cultivating shelf of an artificial light closed plant factory; wherein cultivating conditions are as follows: the illumination intensity is 60-150 mu mol.m-2.s-1; the illumination time is 9-12h.d-1, the temperature is 24-27 DEG C; the relative humidity is 65-80%; the CO2 concentration is 400-800 mu mol.m-1; and the air velocity is 0.3-0.6 m.s-1; after the young plants are transplanted, atomizing keeps the humidifying state of leaf surfaces of the young plants before 2 weeks; after two weeks, the young plants are watered; according to the principle of keeping the humidification of the base material, macroelement nutrient solution is applied every 7 to 15 days; microelement nutrient solution is applied every 25 to 35 days; bottom surface is watered every 3 to 5 days; the young plants are harvested after being cultivated for 1.5 to 2 years and every half year is a picking time. The method shortens the production period, guarantees the uniform quality of the products, increases the yield, and is easy to realize standardization, industrialization and scale production.
Owner:CHINA AGRI UNIV

High purity linear silicon carbide powder and preparation method

The invention relates to a high purity linear silicon carbide powder and a preparation method, the linear silicon carbide powder product presents light green color and has a cubic crystal system, a microstructure presents a linear state, and the content of the silicon carbide is no less than 99%. The preparation method provided by the present invention comprises the following steps: silica sol and oxidized graphene are uniformly mixed, then subjected to ultrasonic treatment, and completely stirred to obtain a composite precursor. The composite precursor is subjected to solidification, drying and grinding to obtain a powdery precursor with fine and uniform quality. Argon is introduced in the powdery precursor, a carbon thermal reduction is carried out under high temperature in a high temperature tubular furnace to obtain the carbonized silicon powder crude product; the carbonized silicon powder crude product is immersed in inorganic acid and then the pumping filtration is carried out, the unreacted carbon is removed, and cooled to obtain the silicon carbide powder with content of less than 99%. According to the invention, a silicon source is silica sol, a carbon source is oxidized grapheme, the invention has the advantages of no requirement of subsequent processing, no requirement of pressurization, addition of metal catalyst, simple process and short production period; the precursor with homogeneousness is prepared in advance, then the carbon thermal reduction is carried out, the product purity is high, and the method provided by the invention enables large-scale industrial production.
Owner:HUBEI UNIV +1

Precast composite outer insulated wall plate and manufacturing method thereof

The invention relates to a precast composite outer insulated wall plate and a manufacturing method thereof. The plate body of the precast composite outer insulated wall plate is sequentially provided with a structural layer, an insulated layer and a protective layer from inside to outside, wherein a reinforcing cage is arranged in the structural layer; a reinforcing mesh is arranged in the concrete of the protective layer; the structural layer, the insulated layer and the protective layer are alternately anchored together through connecting pieces which are in point distribution; the left edges and the right edges of the protective layer and the insulated layer protrude out of the structural layer; a convex opening downwards extends from the lower edge of the protective layer; the tops of the protective layer and the insulated layer upwards protrude out of the structural layer; and the upper edge of the protective layer is provided with a concave opening corresponding to the convex opening of the adjacent precast composite outer insulated wall plate at the upper layer. The wall plate simplifies the construction processes, accelerates the construction speed and reduces the engineering cost. Moreover, products precast in factories have consistent specification and uniform quality, the construction quality of the building structure can be fully ensured, industrialization, standardization and generalization of building walls are realized, and the invention can be widely applied to construction of reinforced concrete buildings in building industry.
Owner:华筑(辽宁)建筑工程设计有限公司

Method for processing non-autoclaved foam concrete building blocks in producing phosphogypsum through microwave high temperature

The invention discloses a method for processing non-autoclaved foam concrete building blocks in producing phosphogypsum through microwave high temperature, which comprises the steps as follows: solid waste phosphogypsum in the phosphate fertilizer industry is arranged in a microwave tunnel furnace and is heated to 200-770 DEG C for 3-5min to lead a plurality of impurities in the phosphogypsum like phosphoric acid, calcium fluoride, iron aluminum oxide, acid-insoluble matters, organic matters and the like to volatilize or convert into inert materials during the heating process, thereby obtaining beta-type semihydrated gypsum or beta II-type anhydrous gypsum; then the beta-type semihydrated gypsum or beta II-type anhydrous gypsum, fly ashes, cements, quicklime and modified additive are mixed and levigated, then are stirred with water and gypsum waterproofing agent, and finally are uniformly mixed with foams of foaming agent and poured into a building brick die. The method disclosed by the invention has the following advantages: the method has simple technique, low equipment investment and lower manufacture cost and avoids secondary pollution; the microwave high temperature method has quick processing speed and uniform quality; the utilization amount of phosphogypsum waste residues is large and the utilization rate is as high as 60-70 percent; moreover, the building blocks belong to obturator structures and has good insulating effect, high strength and good waterproof performance.
Owner:许祯玮 +3

Wrapping head

The invention discloses a wrapping head of a wrapping machine, particularly relating to a wrapping head of a generator bar wrapping machine. The wrapping head is characterized by comprising a fixing disc with an opening, and an internal ring arranged on the side surface at one end of the fixing disc, wherein the internal ring is internally provided with a roller that can clamp a bar in a rolling way; the internal ring is externally provided with a wrapping ring that can rotate around the internal ring; the rotating speed and the rotating direction of the wrapping ring can be adjusted; openings are arranged at the positions at the internal ring and the wrapping ring, corresponding to the fixing disc; one side surface of the wrapping ring is provided with a chuck and a tensioning wheel, wherein the wrapping disc can be assembled on the chuck; and the tensioning wheel can adjust the tensioning force of a wrapping belt. The wrapping head can ensure that the wrapping belt has constant tension and is not stretched or broken during the wrapping process; the tensioning force can be freely adjusted within 1kg to 15kg, thus meeting the requirements of different strip belt materials; the superposing degree can be controlled by the superposing positions of 1/2, 1/3 and the ends, thus ensuring the wrapping belt to have uniform quality.
Owner:GOODE EIS SUZHOU CORP LTD

Method for treating dyeing wastewater and dedicated device

The invention provides a method for treating dyeing wastewater and a dedicated device. The method comprises the following steps of treatment under the automatic control of a central control unit: A, discharging the dyeing wastewater which is uniform quality and uniform quantity into a flocculation precipitating tank, and adding coagulating agent and flocculating agent to the flocculation precipitating tank so as to precipitate the suspended substance and part of organic substances; B, discharging the clear liquid of the wastewater in step A into a hydrolytic acidification tank, and decomposing the macromolecular organic substances in the wastewater into micro molecular substances under the action of facultative anaerobe; C, discharging the wastewater in step B into a contact oxidation tank, feeding air into the contact oxidation tank and decomposing the organic substances in the wastewater under the action of aerobe; D, discharging the wastewater in step C into a membrane bioreactor, and entrapping and decomposing the stale biological membrane slag and the residual organic substances by the membrane bioreactor; and E, sucking the clear water in step D into a clean water tank and discharging the sludge in the membrane bioreactor into the hydrolytic acidification tank or the contact oxidation tank respectively through a return sludge pump by the concentration of the sludge. The invention has the advantages that the treatment cost is low and the treated water is recyclable, thereby helping enterprises to achieve the purposes of energy conservation and emission reduction.
Owner:惠州市雄越保环科技有限公司
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