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61results about How to "Improve post-processing effect" patented technology

Aerobic and facultative anaerobic microbial activated bactericide for water treatment and application thereof in contact oxidation process

The invention relates to an activated bactericide for improving the activity of a biological membrane on filler in the water treatment as well as application of the activated bactericide in a contact oxidation process. The activated bactericide is characterized in that an activating agent is a mixed bacteria liquid comprising pseudomonas fluorescens accounting for 40-60 percent of the total bacterial count, 15-20 percent of bacillus subtilis, 15-30 percent of bacillus megaterium, 5-10 percent of bacillus pumilus and metabolite of a culture solution of the mixture. The concentration of the activating agent added into the treatment water is 10<-6>-10<-5>. A materializing sludge layer generated by the filler can be effectively desorbed, a novel materializing sludge layer can be stopped from forming, and the service life of the filler is prolonged to 3-5 years; the activated bactericide has a function of in-situ regenerating and activating an aerobic and facultative anaerobic microbe and restores the activity of the biological membrane, so that the dormant and inactivated biological membrane on the filler is activated and restored, a bacteria colony on a novel membrane is positioned in a high-activity excited state, and further the decomposition ability is improved; and after the activated bactericide is fed, the removal rate of effluent COD (Chemical Oxygen Demand) is improved bymore than one time compared with that of the condition that the activating agent is not used.
Owner:日照城投集团建设发展有限公司

Bipolar half-sine current generating device and method for full-ATEM (airborne transient electromagnetic system)

The invention provides a bipolar half-sine current generating device and method for a full-ATEM (airborne transient electromagnetic system). The bipolar half-sine current generating device comprises a master control circuit, wherein a driving circuit is located between the master control circuit and an overshoot suppression circuit, connected with the master control circuit and the overshoot suppression circuit and used for generating an overshoot suppression temporal logic signal and providing a driving control signal for the overshoot suppression circuit; a trigger circuit is located between the master control circuit and an H inverter bridge, connected with the master control circuit and the H inverter bridge and used for generating a trigger control signal from an H-bridge inverting temporal logic signal; the H inverter bridge is connected with a power supply and used for outputting a bipolar square signal according to a constant-voltage signal of the power supply and the trigger control signal; the overshoot suppression circuit is connected with a series resonance circuit and used for supplying energy release access to oscillation waveform at the tail of current waveform contained in the series resonance circuit and eliminating the oscillation waveform at the tail of the current waveform; the series resonance circuit is connected with the H inverter bridge and used for generating bipolar half-sine current waveform meeting the current waveform requirement according to the bipolar square signal and eliminating oscillation at the tail of the current waveform by using the overshoot suppression circuit.
Owner:INST OF ELECTRONICS CHINESE ACAD OF SCI

Nano-carbon sol and application thereof

The invention discloses nano-carbon sol and application thereof; the nano-carbon sol is characterized in that the carbon particle size is in the range from 1 to 500 nm; the nano-carbon sol is prepared by adding sodium lignin sulfonate, which is 0.08-0.12% of the total weight of sol and is 6500 Dalton in molecular weight, into the nano-carbon sol obtained by electrolyzing water by taking a graphite electrode as the anode; the carbon content in the sol is 0.6 wt%. The nano-carbon sol disclosed by the invention is applied to petrochemical industries, medicines, environmental protection, antiviral protection and catalysts; in the aspect of medicines, the nano-carbon sol can be used as a medicine additive and a film wrapped for external injury; in the aspect of petrochemical industries, the nano-carbon sol can be used as a dispersing agent in the refining process; in the aspect of environmental protection, the nano-carbon sol can be used as a flocculating agent and bactericide for water treatment; in the aspect of antiviral protection, the nano-carbon sol not only can be used as an antiviral filtering material but also can be used as a chemical catalyst; the nano-carbon sol disclosed by the invention has the antiinflammation effect; a nano-carbon sol medical catheter has excellent mechanical strength, good low-friction of the sliding surface and antithrombus; in addition, the nano-carbon sol disclosed by the invention has excellent biological degradability.
Owner:GUIZHOU TELIDA NANO CARBON SCI & TECH +1

Large magnetic moment transmitter generating bipolarity trapezoidal current, and current generating method

The invention discloses a large magnetic moment transmitter generating bipolarity trapezoidal current, and current generating method, which relate to the technical field of aviation transient electromagnetic exploration. The transmitter comprises a trapezoidal current constant voltage clamp circuit, current overshoot inhibition circuit, a transmitter master control circuit, and other parts. The invention is advantageous in that through the trapezoidal current constant voltage clamp circuit based on the passive constant voltage clamping method, the falling edge of current is rapidly shut down linearly, and the rising edge of current is rapidly raised linearly, and thereby the bipolarity trapezoidal current is formed; with the design of the current overshoot inhibition circuit, the effect time of a damping resistor can be controlled, and the current tail oscillation can be effectively removed; a bipolarity trapezoidal current generation method is brought forward based on the transmitter,and thereby a great significance of application is achieved in improvement of the quality of the emitted current waveform and in promotion of the detection performance of the aviation transient electromagnetic exploration system.
Owner:INST OF ELECTRONICS CHINESE ACAD OF SCI

Radar signal anti-interference low-loss recovery method of coding and decoding convolutional neural network

The invention discloses a radar signal anti-interference low-loss recovery method of a coding and decoding convolutional neural network, and mainly solves the problem of target information loss after radar signal interference suppression in the prior art. The method comprises the following steps: 1) constructing a time-frequency signal low-loss recovery network; 2) generating a training data set composed of time frequency and mask data; 3) inputting data in the training data set into the time-frequency signal low-loss recovery network, and performing iterative training on parameters of the time-frequency signal low-loss recovery network by using a momentum method to reduce a loss function value; and 4) carrying out time-frequency domain anti-interference on the interfered radar echo, inputting the echo after anti-interference into the trained time-frequency signal low-loss recovery network to obtain a recovered time-frequency domain echo, and converting the recovered time-frequency domain echo into a time domain. The method has the capability of performing low-loss repair on defect signals after interference suppression in a time-frequency domain, has universality and robustness for time-frequency aggregation interference, and can be used for interference resistance of the synthetic aperture radar.
Owner:XIDIAN UNIV

Staged treatment and resource recycling system for organic chlorine wastewater

The invention discloses a staged treatment and resource recycling system for organic chlorine wastewater. The staged treatment and resource recycling system comprises an ultrasonic dechlorination unit, a primary ultrafiltration unit, an iron-carbon dechlorination unit, a secondary ultrafiltration unit, an oxidation unit, a flocculation unit, an adsorption unit and an incineration unit which are sequentially arranged, wherein the adsorption unit is used for discharging water. A concentrated solution obtained through primary ultrafiltration is conveyed to the iron-carbon dechlorination unit, a concentrated solution obtained through secondary ultrafiltration is conveyed to the oxidation unit, permeate obtained through primary ultrafiltration and secondary ultrafiltration is conveyed to the crystallization unit, an ultrasonic generator is arranged in the ultrasonic dechlorination unit, and Cu / Fe / Ag composite metal powder is packed in the ultrasonic dechlorination unit. The mass ratio of Cu to Fe to Ag is (1-5):(25-50):(0.5-1), the ultrasonic frequency is 22-28 kHz, and the sound intensity is 35-45 W / cm<2>; and the oxidation unit is a Fenton unit, an integrally formed Pd / Fe / C filler is arranged in the iron-carbon dechlorination unit, and the mass ratio of Pd to Fe to C is (2-5):(30-50):(20-30). The organic chlorine wastewater is subjected to graded dechlorination and two times of ultrafiltration treatment, so that organic chlorine in the wastewater is efficiently removed, and primary and secondary ultrafiltration permeate liquid is fed into a crystallization unit to obtain recovered salt.
Owner:南通浙源清恒环境科技有限公司

Cleaning method for improving oxidation resistance of fishing net

The invention discloses a cleaning method for improving oxidation resistance of a fishing net. The method is characterized by including the following steps of (1) boiling, wherein the fishing net is placed in clear water for soaking, and then boiling is conducted to obtain a boiled fishing net; (2) soaking cleaning, wherein the boiled fishing net is immersed in a sodium chloride solution and a sodium bicarbonate for soaking separately, and after flushing is conducted, a soaked fishing net is obtained; (3) softening, wherein willow leaves and the like are weighed for crushing, water is added for boiling to a boil, impurities are filtered out, after concentration is conducted, a softening agent is obtained, the soaked fishing net is immersed in a softening agent solution, and is placed in asealed container for heat preservation treatment, and after cleaning is conducted, a softened fishing net is obtained; (4) oxidation resistance treatment, wherein alcohol is taken for heating, tea polyphenol and the like are added, after stirring is conducted, an antioxidant is prepared, the softened fishing net is immersed while heating is conducted, and through multiple times of boiling and airing, an antioxidant fishing net is obtained; (5) curing treatment, wherein paraffin and rosin are added into boiling water, after the paraffin and the rosin are molten, the antioxidant fishing net is immersed for soaking, and ultrasonic vibration treatment is used, so that a cured fishing net is obtained.
Owner:巢湖市大江渔具有限公司

Method for in-situ inhibition of hydrogen sulfide release of tannery comprehensive sludge by microorganisms

The invention discloses a method for in-situ inhibition of hydrogen sulfide release of tannery comprehensive sludge by microorganisms. The method comprises the following steps: firstly, preparing a functional microbial flora, namely, taking sludge in a tannery sludge concentration tank as a sludge sample, and carrying out constant-temperature shaking culture on the sludge sample for 12-24 hours under the conditions that the temperature is 25-30 DEG C and the rotating speed is 60-100rpm, so as to obtain a microorganism enrichment culture; secondly, inoculating the microorganism enrichment culture into a sterilized screening culture medium for culture, and performing constant-temperature shaking culture for 5-11 days under the conditions that the temperature is 25-30 DEG C and the rotating speed is 60-100rpm; thirdly, inoculating the cultured screening culture medium into a sterilized domestication culture medium, and carrying out domestication to obtain a functional microbial flora culture; and finally, inoculating the functional microbial flora culture into the tannery comprehensive sludge to inhibit the release of hydrogen sulfide. The method can significantly inhibit the releaseof hydrogen sulfide in tannery sludge. The operation is simple, the cost is low and the applicability is high.
Owner:CHINA LEATHER & FOOTWEAR IND RES INST JINJIANG CO LTD

Sewage disposal method and apparatus

The invention relates to the technical field of sewage treatment, particularly method and device for combined utilization and advanced purification of waste water at different pollution levels. The method comprises the conventional sewage treatment steps of sewage collection, physicochemical treatment, anaerobic treatment, aerobic treatment and sand filtration, in addition of a sewage control step. In the sewage control step, the chemical oxygen demand (COD) of sewage is controlled by using waste water at different pollution levels. In the physicochemical treatment step, the multi-stage physicochemical treatment method is adopted, and the physicochemical pond device structures and the physicochemical agents in the individual stages are different from each other, thereby reducing the COD value and the colority of the sewage and achieving the pretreatment effect before biochemical treatment. The sewage treatment method and the sewage treatment device can reduce the COD value of sewage from ten thousand to one hundred and ensure that the sewage meets the sewage drainage standard. The sewage treatment method and the sewage treatment device have the advantages of stable quality of the treated sewage, high treatment capacity and low treatment cost.
Owner:NINESTAR IMAGE CO LTD

Nano-silver odourless formaldehyde-removing preparation and preparation method thereof

The invention discloses a nano-silver odourless formaldehyde-removing preparation and a preparation method thereof. The main component of the nano-silver odourless formaldehyde-removing preparation is loaded aerogel, and the loaded aerogel is graphene oxide aerogel and is mainly prepared from graphene oxide, chitosan, polyvinyl alcohol and other components. The graphene oxide is not directly subjected to reduction functionalization treatment, instead, the graphene oxide and a chitosan solution are subjected to hydrothermal treatment under hydrothermal reaction, in the process, chitosan cannot be cross-linked to form a framework, and the chitosan and hydroxyl and carboxyl on the surface of the graphene oxide generate hydrogen-bond interaction, so that the chitosan is adsorbed on the surface of the graphene oxide. By means of the operation, a large number of amino groups and hydroxyl groups can be introduced to the surface of the graphene oxide. The preparation method is reasonable in process design and simple to operate, and the prepared preparation is excellent in formaldehyde removal effect, low in production cost, relatively low in influence of water vapor, applicable to a high-humidity environment and relatively high in practicability.
Owner:忆净空气技术(上海)有限公司

Adjusting tank for sewage treatment

The invention discloses an adjusting tank for sewage treatment. The adjusting tank comprises a sewage treatment tank and a pH value adjusting tank, wherein stirring devices are arranged at the left side and the right side of the sewage treatment tank; an acidity adjusting box, an alkalinity adjusting box and an adjusting assembly are arranged in the pH value adjusting tank; an acidity pressure switch is arranged on the acidity adjusting box; an alkalinity pressure switch is arranged in the alkalinity adjusting box; the adjusting assembly comprises an adjusting air cylinder, a sliding plate, a first slide bar assembly and a second slide bar assembly; and a sliding chute is arranged in the sliding plate. Uniform stirring and mixing treatment is carried out on sewage through the stirring devices, so that contact between the sewage and a drug is more full, the performance of the sewage after neutralization is improved and subsequent sewage treatment is facilitated; meanwhile, targeted treatment is carried out on the sewage through the pH value adjusting tank, and neutralization treatment is carried out on the sewage through the acidity adjusting box and the alkalinity adjusting box, so that the operation is automatic, use is convenient, the structural design is more ingenious and reasonable, and the comprehensive utilization rate is effectively improved.
Owner:嵊州市卓普净水设备有限公司

Purified electrical engineering spray room

The invention provides a purified electrical engineering spray room. The purified electrical engineering spray room comprises a spray chamber, a fan, air purification boxes, a shunting plate, a heat exchange tube and a combustion furnace, wherein the air purification boxes are respectively installed at air outlets of the bottom of the fan, the air purification boxes are respectively embedded intoclamping grooves of a mesh clamping plate, the bottoms of the inner sides of the clamping grooves are of honeycomb structures, two transverse tubes are transversely arranged in a bottom purification chamber, one end of an air outlet tube is inlaid into an air tube clamping plate, the other end of the air outlet tube communicates with the transverse tubes, a horizontal branch tube and a vertical branch tube are respectively connected to an exhaust tube, electromagnetic valves are respectively installed on the horizontal branch tube and the vertical branch tube, and the horizontal branch tube passes through an insulting plate and is connected to the heat exchange tube. Air can uniformly flow through the net structures of the bottoms of the air purification boxes along the shunting plate, exhaust gas is treated by adopting a direct combustion method, so that the purification efficiency reaches 96.5%, and the heat exchange tube is arranged in the spray chamber, so that the temperature in the spray chamber is increased, and the paint spraying effect is changed.
Owner:日照新睿招商发展有限公司

Storage structure of reconstituted tobacco of heating cigarette and online rolling system and method

The invention relates to the technical field of heating cigarettes, in particular to a storage structure of reconstituted tobacco of a heating cigarette and an online rolling system and method. The storage structure comprises the reconstituted tobacco and an isolating membrane, wherein the reconstituted tobacco is rolled to form a paper roll structure, the paper roll structure comprises a plurality of single-roll rings with the radiuses sequentially increased, the isolating membrane comprises a plurality of single-membrane rings, and the single-membrane rings are arranged between the adjacentsingle-roll rings; and the width of the isolating membrane is larger than that of the reconstituted tobacco, and the parts, protruding out of the two ends of the paper roll structure, of the single-membrane ring are attached to the end face of the paper roll structure. Compared with the prior art, the rolling and storing mode of the reconstituted tobacco of the heating cigarette is changed, and the reconstituted tobacco is protected by the isolating membrane in the rolling process, so that moisture absorption and moisture regaining of the reconstituted tobacco in the rolling process are relieved, the problems of mutual adhesion and expansion strength reduction caused by moisture absorption of the reconstituted tobacco in the storage process are effectively solved, and the subsequent treatment performance of the reconstituted tobacco is improved.
Owner:CHINA TOBACCO JIANGSU INDAL
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