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655results about How to "Fulfillment requirements" patented technology

Low-smoke halogen-free flame retardant thermoplastic elastomer alloy for flexible wire rod and preparation method thereof

The invention discloses a low-smoke halogen-free flame-retarding thermoplastic elastomer alloy used for soft wires and a preparation method of the alloy, which is characterized in that: the material comprises thermoplastic polyurethane elastomer, thermoplastic styrene elastomer, compatilizer, phosphorus-nitrogen compound flame retardant, flame-retarding potentiating agent, lubricant, antioxidant and colorant; the weight ratio of the thermoplastic polyurethane elastomer, the thermoplastic styrene elastomer, the compatilizer, the phosphor-nitrogen compound flame retardant, the flame-retarding potentiating agent, the lubricant, the antioxidant and the colorant is 40 to 55 : 5 to 25 : 5 to 10 : 20 to 25 : 3 to 10 : 1.5 : 0.25 : 0.25; the preparation method is that the all components are evenly mixed in a high-speed mixer, and then extruded, drew and granulated at 170 to 210 degree centigrade, and then a low-smoke halogen-free flame-retarding thermoplastic elastomer alloy used for soft wires is obtained. The low-smoke halogen-free flame-retarding thermoplastic elastomer alloy used for soft wires has the advantages of achieving distinct flame-retarding effect at a small quantity of flame retardant dosage, satisfying the flame-retarding requirement of low-voltage wires, adjusting the Shore durometer number of the material between 80 to 95, good pliability, high physical mechanical property and according with the halogen-free and environment-friendly requirement.
Owner:SILVER AGE ENG PLASTICS DONGGUAN

Dynamic capacity increasing method for oil-immersed transformer

The invention relates to a dynamic capacity increasing method for an oil-immersed transformer, and belongs to the field of transformers. The method includes the steps that heat conduction process in the transformer is simplified into a circuit model; winding hot-spot temperature, top oil temperature, average oil temperature, average winding temperature of the transformer under the current load condition are calculated; according to the limit that the winding hot-spot temperature does not exceed 140 DEG C, whether temperature in the transformer will exceed the limit temperature or not under the current load and environment conditions is calculated, whether a temperature limit value is reached or not if long-term emergency loads or short-term emergency loads occur at the moment is calculated, and if the temperature in the transformer possibly exceeds the limit value of the short-term emergency loads, the time for reaching the limit value and the finally reached steady state temperature are calculated to serve as alarm signals; if it is monitored that the temperature will exceed the standard within t minutes, an early-warning signal is sent out, certain time delay is set, and if the loads are not reduced within the set time delay, a cooling fan of the transformer is turned on. Long-term continuous operation of cooling equipment can be avoided, and operation life of the cooling equipment is prolonged.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +1

Kitchen garbage disposal method

A kitchen garbage disposal method is characterized by including steps of 1, sterilizing, deodorizing, and adding hydrolyzing protease into kitchen waste; 2, screening and crushing the kitchen garbage, sorting wastes such as glass and ceramics which cannot be disposed from deodorized garbage automatically, crushing the residual waste by a crusher; 3, performing solid and liquid separation, separating suspended matters with thickness of 2mm at least and solids and squeezing to dewater to form a tailing product, and discharging oil water into an oil and water separator; 4, performing oil and water separation to separate heavy oil, light oil, sewage and sludge and the like in waste water of the kitchen garbage, feeding the separated oil, sewage and sludge into an oil storage barrel, a sewage treatment device and a sludge collection barrel respectively; 5, purifying sewage by details of feeding the separated sewage into a sewage purifying system which is provided with air flotation and reverse osmosis devices; and 6, treating the tailing solid products by details of hydrolyzing the tailing solid subcritically, subjecting dynamic fermentation to the tailing solid products for two to three days after subcritical hydrolysis treatment, and finally obtaining an organism modifier for soil.
Owner:ZHEJIANG AIKELE ENVIRONMENTAL PROTECTION

Wolframium (W) doped diamond-like coating and preparation method thereof

The invention provides a wolframium (W) doped diamond-like coating and a preparation method thereof. The coating comprises a Cr bottom layer, a CrC transition layer and a W doped diamond-like layer, wherein the Cr bottom layer is deposited on the surface of a substrate, the CrC transition layer is prepared on the Cr bottom layer, and the W doped diamond-like layer is prepared on the CrC transition layer. The preparation method comprises the following steps: firstly carrying out plasma cleaning on the substrate, opening a column electric arc Cr target to prepare the Cr bottom layer on the surface of the substrate, opening a plane magnetron sputtering C target to prepare the CrC transition layer on the Cr bottom layer, and finally closing the column electric arc Cr target and opening a plane magnetron sputtering W target to prepare the W doped diamond-like layer on the CrC transition layer. According to the preparation method provided by the invention, the electric arc and magnetron sputtering composite coating technology is adopted, so that the prepared coating is smooth and compact in surface, high in hardness, high in film bonding strength, low in friction coefficient and good in oxidization resistance and chemical stability, and can meet relatively high requirements for oxidization resistance, wear resistance and antifriction performance, therefore the coating has wide application prospects.
Owner:XI AN JIAOTONG UNIV

Vacuum sewage collecting and treating system

The invention discloses a vacuum sewage collecting and treating system. The vacuum sewage collecting and treating system comprises a sewage gathering pipeline, a vacuum collection well, a vacuum conveying pipeline, a vacuum pump station and a sewage treating device, wherein the sewage enters the vacuum collection well through the sewage gathering pipeline; when the sewage collected in the well reaches a certain amount, the sewage enters the vacuum pump station along the vacuum conveying pipeline; when the liquid level of the sewage in a vacuum sewage storage tank reaches a predetermined liquid level, the sewage conveying pump is started and is used for conveying the sewage to the sewage treating device to purify the sewage. Through the vacuum sewage collecting and treating system, the domestic sewage collection method is changed from the conventional gravity collection into vacuum collection; the sewage treatment is charged from a manner of discharging the sewage into a sewage pipe net and carrying out centralized treatment on the sewage to a process of carrying out on-site treatment by using a small integrated membrane treatment device; collection and treatment are integrated to a complete set of system; the system is not limited by basic supporting facilities and is not required to relay on urban drainage facilities; the system is integrated with the ecological environmental protection technology with efficient collection and efficient treatment functions and is especially suitable for regions such as small towns and countries and the like in which sewage treatment plants are unsuitably built.
Owner:清环拓达(苏州)环境科技有限公司

Method of producing protein feed by liquid-solid two-step fermentation method

The invention discloses a method of producing a protein feed by a liquid-solid two-step fermentation method. The method comprises the following steps: performing liquid culture on corynebacterium glutamicum, candida utilis, bacillus subtilis, lactobacillus plantarum and aspergillus oryzae so as to obtain corynebacterium glutamicum fermentation liquor, candida utilis fermentation liquor, bacillus subtilis fermentation liquor, lactobacillus plantarum fermentation liquor and aspergillus oryzae fermentation liquor; mixing the corynebacterium glutamicum fermentation liquor, the candida utilis fermentation liquor, the bacillus subtilis fermentation liquor, the lactobacillus plantarum fermentation liquor and the aspergillus oryzae fermentation liquor so as to obtain mixed bacterium liquor; loading raw materials of soybean meal, cluster bean meal, cottonseed meal and the like into an explosion vat for performing steam explosion; after steam explosion, mixing materials, the mixed bacterium liquor and molasses in proportion, and adding an enzyme preparation so as to obtain mixed materials; conveying the mixed materials into a special modularized solid-state biological raw material continuous fermentation device for enzymolysis and fermentation, and drying the fermented materials so as to obtain the protein feed. According to the method disclosed by the invention, the modularized automatic fermentation device is adopted, the materials after explosion, the fermented bacterium liquor and the enzyme preparation are mixed, then the mixed materials are loaded into the automatic fermentation device for enzymolysis and biological fermentation, so that requirements for automatic temperature control, automatic dampness control and automatic ventilation control are met, the bioconversion rate is high, the fermentation period is short, the consumption is low, the cost is low, and mechanized and large-scale production requirements can be met.
Owner:河南双成生物科技有限公司

Self-adaptive non-uniformity correction method for carrying image registration on infrared video sequence

The invention discloses a self-adaptive non-uniformity correction method for carrying image registration on infrared video sequence. The method is characterized by, to begin with, carrying out mutual correlation information calculating by utilizing row / line projection vectors of an image; then, searching the displacement amount in the horizontal direction and vertical direction respectively, which allows the mutual correlation information to be maximal, the displacement amount being displacement value of the image; carrying out threshold value judgment on the variance of the image, adding assumed displacement, then, carrying out two-way registration on the image according to the corrected displacement value to obtain a superposed overlapping region; and carrying out correction parameter update on the image in the overlapping region to finish the self-adaptive correction process of the non-uniformity correction method. The innovation point of the method is characterized in that the problem of ghost image can be effectively removed by utilizing the image registration to carry out non-uniformity correction; through the adding of the two-way registration, the overlapping region of the image is improved, and registering effect of the image is enhanced; and through the adding of the self-adaptive assumed displacement, scene adaptation capability of the algorithm can be enhanced.
Owner:NANJING UNIV OF SCI & TECH

Triaxial air bearing table high-precision mass center balance adjusting device and method

The invention provides a triaxial air bearing table high-precision mass center balance adjusting device and method. The device comprises a laser tracker, a laser gyroscope, a reaction flywheel, an under-table control computer, vertical direction mass center adjusting mechanisms and horizontal direction mass center adjusting mechanisms. The laser tracker is used for measuring change of the swing angle of a table body mass center. The laser gyroscope is used for measuring the angular velocity change cycle of the table body mass center. The under-table control computer is used for computing table body mass center deviation according to change of the swing angle, the swing cycle and the wheel control rotating speed output value of the reaction flywheel so that a movement displacement control instruction is generated according to mass center deviation. The vertical direction mass center adjusting mechanisms and the horizontal direction mass center adjusting mechanisms are used for moving positioning blocks according to the movement displacement control instruction so as to perform table body mass center adjustment. The vertical direction mass center adjusting mechanisms and the horizontal direction mass center adjusting mechanisms are arranged so that the three-dimensional direction mass center adjustment capacity and adjustment precision requirement can be realized.
Owner:SHANGHAI SATELLITE ENG INST

Wideband receiving channels, receiver and receiving method with amplitude and phase compensation

The invention relates to wideband receiving channels, a receiver and a receiving method with amplitude and phase compensation. The multiple channels work at the same time, and different bandwidth filters perform gate filtering to filter radar echo signals. Each channel comprises a first front middle module, a second front middle module and a control detection module. The first front middle modules receive the radar echo signals and perform phase shift, amplitude compensation and primary down-conversion on the radar echo signals, and then the radar echo signals are sent to the second front middle modules for secondary down-conversion; one path of a plurality of filter banks which are connected in parallel and different in bandwidth is gated according to signal bandwidth to perform medium frequency filtering, and meanwhile amplitude and phase compensation is further performed on the path of the filter banks; the control detection modules control the first front middle modules and the second front middle modules. Due to the wideband receiving channels, the receiver and the receiving method, the problem that a receiver is poor in consistency of amplitude and phase under wideband work frequency is solved, multiple medium frequency work bandwidths capable of being switched are acquired, and the advantages of being good in consistency of bandwidth, amplitude and phase and high in universality are achieved.
Owner:SHANGHAI SPACEFLIGHT INST OF TT&C & TELECOMM

Lock bead type vibration isolation bumper without harmonic peaks in three directions

InactiveCN103161865AImprove high-frequency vibration isolation capability without resonance peakExtend your lifeShock absorbersFriction dampersEngineeringHigh frequency
The invention discloses a lock bead type vibration isolation bumper without harmonic peaks in three directions. The lock bead type vibration isolation bumper without the harmonic peaks in the three directions comprises an outer shell, a top cap, a spring nut, a vibration isolation spring and a ball locking-up mechanism. The lock bead type vibration isolation bumper without the harmonic peaks in the three directions adopts the ball locking-up mechanism, is matched with a locking force adjusting component, an equilibrium position adjusting component and a buffering component, and achieves the purpose of buffering in the three directions of a vibration isolator, vibration isolation without harmonic peaks in the three directions, adjustment of locking force, and meeting different nominal loads. Due to the fact that rolling friction is adopted to isolate vibration, the damping coefficient of the vibration isolator is reduced, and the abrasion in use is reduced. The vibration isolator of the lock bead type vibration isolation bumper without the harmonic peaks in the three directions is enabled to have the advantages of being long in service life, abrasion-resistant, and stable in performance, have high-efficient and high-frequent vibration isolation capability and the like.
Owner:CHONGQING UNIV

Simulating method for flight quality evaluation training of transport plane test pilot

The invention belongs to a flight test-flight technique and relates to a flight simulating method for flight quality and operating characteristics of a transport plane test pilot. The flight simulating method comprises the following steps: taking a certain type of transport plane as a prototype and establishing a dynamic simulating model for different quality characteristics of the transport plane; confirming pneumatic parameters under the quality characteristics according to to-be-simulated different quality characteristics, and resolving an operation response of the airplane in real time according to the pneumatic parameters; performing flight quality modal parameter calibration on the resolved dynamic simulating model for the different quality characteristics, thereby meeting the expected quality and operating characteristics. By utilizing the method provided by the invention, the test pilot can experience a standard and continuous change process of the airplane operation and quality characteristics, so that the evaluating capacity of the test pilot for a task can be promoted; the operation and quality characteristics of the presently simulated airplane can be graphically displayed in real time by combining flight quality standard evaluation indexes; the flight quality level can be directly given; the physical significance is clear; the training for the level evaluation habit of the test pilot is benefited.
Owner:CHINESE FLIGHT TEST ESTAB

Fire test furnace loading device

The invention discloses a fire test furnace loading device which comprises stand columns located at four corners of a fire test furnace. Beams are connected between the stand columns transversely adjacent respectively. At least one vertical loading beam is vertically connected between the beams. At least one horizontal loading beam is vertically connected between the stand columns longitudinally adjacent. The vertical loading beams and the horizontal loading beams are each provided with sliding blocks facing the fire test furnace. The sliding blocks have freedom degrees allowing the sliding blocks to move in the length direction of the vertical loading beams and the length direction of the horizontal loading beams. Detecting devices used for detecting performance of members, to be detected, in the fire test furnace are arranged at the bottoms of the sliding blocks. As the vertical loading beams, the horizontal loading beams and the sliding blocks capable of moving in the length direction of the vertical loading beams and the length direction of the horizontal loading beams are utilized, the requirements for vertical loads and transverse loads of the loading device can be met individually or together, the result accuracy of fire tests of a building structure is improved, and convenience of test operation is improved.
Owner:ANHUI UNIVERSITY OF ARCHITECTURE

Green cover construction method for ecological restoration of abandoned mine pit side slope

The invention relates to a green cover construction method for ecological restoration of an abandoned mine pit side slope. The green cover construction method comprises the steps that the abandoned mine pit side slope is subjected to reinforcement treatment, and grid beams are formed on the side slope; plastic stone frameworks are constructed on the grid beams based on the original ecological condition of a mine pit; a steel wire net is provided, and the plastic stone frameworks are wrapped with the steel wire net; the steel wire net is sprayed with plastic stone cement so that a plastic stone structure can be formed; and the plastic stone structure is subjected to earthing operation and provided with plants so that ecological restoration of the abandoned mine pit can be achieved. According to the green cover construction method for ecological restoration of the abandoned mine pit side slope, the mine pit is subjected to side slope reinforcement by forming the grid beams on the side slope of the mine pit, and the structural stability of the mine pit is ensured; then, the plastic stone frameworks are supported and arranged through the grid beams, and the plastic stone frameworks are designed to be of a structure adapting to shape change of a mine body, so that the formed plastic stone structure is similar to the original ecological condition, and the effect of restoring the ecology of the mine pit is achieved; and furthermore, earthing is conducted, the plants are grown, and the requirements of greenery landscape and ecological restoration of the mine pit are met.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD

Wireless channel parameter measurement device and method thereof

The invention relates to a wireless channel parameter measurement device and a method thereof in the technical field of wireless communication. The device comprises a signal transmission module and a signal receiving and processing module. The method comprises the following steps that: two paths of pseudo-random sequences are generated, and are subjected to 4QAM modulation; a modulated baseband digital signal is subjected to molding and filtering; the baseband digital signal is converted into an analog signal to be transmitted through a transmission antenna; a received radio frequency signal is subjected to radio frequency processing and analog-to-digital conversion to be changed into a digital signal; and the digital signal is subjected to I path demodulation and Q path demodulation, and is subjected to low-pass filtering to be converted into a baseband digital signal; the baseband digital signal is related to the local pseudo-random sequence, and outputs related signals and a result of the quadratic sum of related signals to acquire a required channel parameter through calculating. The device and the method can provide more accurate and overall testing results, and lead the whole collecting process to be more complete and convenient as a data acquisition and processing unit is added.
Owner:SHANGHAI JIAO TONG UNIV

High-coverage automatic radio frequency index test device

The invention discloses a high-coverage automatic radio frequency index test device. By using the device provided by the invention, quick tests with high coverage can be performed on multi-channel radio frequency indexes of various types of equipment under test. The device provided by the invention is implemented via the technical scheme as follows: an input radio frequency interconnection matrixmodule receives multiple signal sources, a noise source and an output signal of a vector network, and provides source signals such as a microwave vector signal source, the noise source and the vectornetwork output signal to the equipment under test; the equipment under test receives a low-phase noise local oscillator signal and a reference clock signal from a multi-channel local oscillator sourcemodule; the equipment under test completes automatic switching of multiple channels via an output radio frequency interconnection matrix module, and transmits a test signal to an universal measurement instrument; an industrial control computer calls control parameters of the universal measurement instrument and the equipment under test to complete automatic test of the multiple indexes, reads a test result of the universal measurement instrument and automatically generates a test report in a standard format; the artificial configuration test and automatic test on the main indexes of the equipment under test are achieved by using a visual manual control interface.
Owner:10TH RES INST OF CETC

Method for improving mechanical dephosphorization of iron scale of low-carbon cold heading steel wire rod

ActiveCN102699055AGuaranteed shiftMeet the requirements of the transformationWork treatment devicesMetal rolling arrangementsTemperature controlWire rod
A method for improving the mechanical dephosphorization of iron scale of a low-carbon cold heading steel wire rod belongs to the technical field of steel rolling. Processing steps and control technical parameters are as follows: finish rolling inlet temperature is controlled to be 920 DEG C-950 DEG C, and the finish rolling temperature rising range is controlled to be 80 DEG C-100 DEG C; the spinning temperature is controlled to be 880 DEG C-920 DEG C; the opening times and a heat holding cover of an air cooling line and the opening degree of a fan are regulated, the cooling rate of the phase front section of a spun steel wire rod is controlled to be 2-3 DEG C/s; the temperature of the spun steel wire rod is controlled to be 760 DEG C-740 DEG C when the spun steel wire rod enters the heat holding cover, and the heat holding cover is uncovered at the temperature being 620 DEG C-600 DEG C; and the temperature of the spun steel wire rod is controlled to be 580 DEG C-600 DEG C when the spun steel wire rod is discharged from the heat holding cover, the fan is additionally arranged when the spun steel wire rod is discharged from the heat holding cover, the cooling rate of the spun steel wire rod passing through a temperature zone being 5000 DEG C-400 DEG C rapidly is controlled to be 3-5 DEG C/s, and the passing time is controlled to be 15-25s. The method has the advantages that the phase structure conversion phenomenon in an FeO layer in the iron scale on surface of a hot rolling steel wire rod is reduced obviously, the mechanical dephosphorization is improved obviously, and the wire breaking rate and the loss of a die in the user pulling process are reduced.
Owner:SHOUGANG CORPORATION
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