23results about How to "Increase spawn rate" patented technology

The invention relates to quantum key distribution, in particular to a quantum key distribution and classical optical communication common-fiber transmission system and method, and the system comprises a signal transmitting unit which generates and transmits a quantum optical signal and a classical optical signal; the channel parameter adjusting unit is used for adjusting and controlling the power and time delay of the classic optical signal so as to reduce common fiber interference; the wavelength division multiplexing transmission unit is used for combining, transmitting and separating the quantum optical signal and the regulated and controlled classical optical signal; the signal receiving unit is used for receiving the separated optical signals and decoding, detecting or measuring the optical signals; the control center is used as a core decision-making and coordination unit of the system and realizes state monitoring, data analysis and flow scheduling of the system through staged control; according to the technical scheme provided by the invention, the defects that the key distribution quality is reduced and the key generation rate is reduced when the quantum optical signal and the classical optical signal are subjected to common-fiber transmission in the prior art can be effectively overcome.

This invention discloses a carbon-based composite catalytic material, its preparation method, and its applications. The invention employs a one-step carbonization process involving molten salt confinement, a non-urea nitrogen source, and no ball milling: a dinuclear iron precursor, nitrogen-containing organic matter (as both a non-urea nitrogen source and a carbon source), ZnCl2, and a molten salt system are mixed. After high-temperature pyrolysis under an inert atmosphere, the mixture is sequentially washed with hot water to dissolve the molten salt, followed by washing with HCl solution and drying. The entire process eliminates the need for complex mechanical treatments such as ball milling, simplifying the steps and providing milder conditions, making it more suitable for scale-up preparation and engineering applications. The above-mentioned carbon-based composite catalytic material is applied to the degradation of chlorinated organic pollutants in soil, particularly in conjunction with persulfate oxidants to construct an advanced oxidation system. The highly coordinated dinuclear M2N6 reaction center efficiently activates persulfate, generating sulfate radicals, hydroxyl radicals, and / or non-radical active species, achieving rapid degradation of recalcitrant chlorinated organic pollutants.

The invention relates to the technical field of enzyme engineering, in particular to a malic enzyme mutant and application thereof. Specifically, the malic enzyme derived from Escherichia coli is subjected to site mutation screening, and results show that after methionine at the 144th site is mutated into isoleucine (M144I), glutamine at the 253rd site is mutated into isoleucine (Q253I), and threonine at the 327th site is mutated into phenylalanine (T327F), the catalytic efficiency and the catalytic activity are obviously improved, which is of great significance to industrial application.

The invention discloses an intelligent alternating current organization and emergency plan generation method and system, and relates to the technical field of traffic plan generation, and the method comprises the steps: constructing an intelligent data hub, enabling heterogeneous data from vehicles, roads, meteorology, municipal administration, social contact and alarm desks to be accessed to the intelligent data hub, and generating a real-time traffic situation map; establishing a high-fidelity urban traffic digital twin model, and generating a traffic situation digital model; acquiring traffic accident information, and extracting a current road network state, an event influence range and a rescue resource position; generating a road state relieving scheme, and generating an emergency resource scheduling scheme; generating an emergency plan, and sending the emergency plan to a human expert for auditing and modifying; and recording audit modification contents of human experts, generating scheme correction knowledge, and sending the scheme correction knowledge to a scheme generation link. The method and the device have the effects of improving the speed of information flow processing and emergency scheme generation, and improving the efficiency and comprehensiveness of resource scheduling and coordination.

The invention provides a preparation system and a preparation method of an autoblood contrast agent, and relates to the field of contrast imaging. The preparation system of the autologous blood contrast agent comprises an infusion passage, a reaction unit, an input passage, an output passage, an air supply unit and a liquid storage unit, the membrane oxygenator of the reaction unit comprises a liquid passage and a gas passage which are separated by a membrane; the input passage is located upstream of the inlet of the liquid passage of the membrane oxygenator; the output passage is positioned downstream of the outlet of the liquid passage of the membrane oxygenator; the liquid storage unit is located at the downstream of the output passage; the gas supply unit is located at the upstream of an inlet of a gas passage of the membrane oxygenator and transmits reaction gas into the gas passage, and the reaction gas at least comprises nitric oxide and oxygen. According to the preparation system of the autoblood contrast agent, the technical problems that in the prior art, a gadolinium-containing contrast agent or other metal element contrast agent is low in safety and narrow in application range are solved.

The application belongs to the technical field of gas turbine engines, and provides a combustion chamber with intelligent point flameout and an ignition method, which comprises: a diffuser connected with a machine case; a flame tube is installed in the machine case, the flame tube has a backflow area in the inside, and the backflow area is surrounded by a high-speed shear layer; an ignition system comprises an ignition electrode; when the flame tube is ignited, or when the pressure in the flame tube is lower than a preset value, or when the pressure change rate in the flame tube exceeds a preset range, the ignition electrode moves to the backflow area through the high-speed shear layer. The combustion chamber has an electromagnetic / pneumatic force coupled ignition system, the ignition position is moved from the high-speed shear layer to the backflow area, thereby being beneficial to flame stabilization, the generation probability of an initial flame core can be greatly improved, and due to the fact that the initial flame core is located in the backflow area, the propagation distance of the initial flame core can be significantly shortened or even eliminated, and the engine ignition envelope range can be greatly widened.

This invention provides a method for preparing and applying a long-lasting photocatalytic antifouling coating material, belonging to the field of marine antifouling coating technology. This invention uses an improved wet chemical reduction method to prepare an Ag@CuGaO heterojunction photocatalytic antifouling agent. This material is a nanocubic structure of CuGaO modified with Ag nanoparticles, with a silver loading of 0.5~10wt%. It combines the small size effect of Ga doping with the surface plasmon properties of Ag, which can broaden the light absorption range and improve carrier separation efficiency. 1~5 parts by weight of this antifouling agent are compounded with 100 parts by weight of organosilicon resin, and an organosilicon antifouling coating is prepared after substrate pretreatment, ultrasonic dispersion, curing and degassing, and spin coating curing. The coating of this invention achieves integrated antifouling and antibacterial properties, with an immediate bactericidal rate of 99% against Staphylococcus aureus and Pseudomonas aeruginosa, and an antibacterial rate of >90% after 60 days in a simulated marine environment. It effectively solves the problems of photocorrosion, short antifouling cycle, and poor mechanical properties of traditional photocatalytic materials, and is suitable for preventing biofouling on metal surfaces of marine facilities. The process is green and economical.

This invention relates to the field of comprehensive utilization technology of iron and steel smelting resources, specifically to a method for the direct recycling and utilization of iron-rich red mud in converter steelmaking. The method includes the following steps: Step 1: Retaining slag, including MgO, in the converter for slag splashing and furnace protection; Step 2: Adding fine-grained limestone to the converter; Step 3: Adding iron-rich red mud to the converter, and shaking the converter 2-3 times after the mud has been added; Step 4: Verticalizing the converter and blowing nitrogen into it at least once using a top-blowing method, with each blowing lasting 3-5 seconds and an interval of 10 seconds between each blowing; Step 5: Adding scrap steel to the converter, waiting 0-5 minutes, then adding molten iron and starting the blowing process. This invention directly applies iron-rich red mud to the converter steelmaking process, achieving dephosphorization of molten iron with high phosphorus content without the use of flux.

This invention discloses a method and apparatus for constructing a microdroplet self-Fenton system. The construction method includes the following steps: mixing an iron salt with an acidic solution, and subjecting the resulting mixed solution to ultrasonic atomization to form micron-sized droplets, thereby obtaining the microdroplet self-Fenton system. The construction apparatus includes an atomizing reactor for storing the mixed solution and an ultrasonic generator for providing ultrasonic waves. The microdroplet self-Fenton system constructed by this invention has the following advantages: good adaptability, enabling the acquisition of a self-Fenton system under conditions of no light, no catalyst, and no sacrificial agent; it helps to increase the generation rate and yield of ·OH in the system, giving the system stronger redox capabilities and enabling efficient degradation of organic pollutants, providing important guidance for promoting the effective treatment of organic pollutant wastewater; the process is simple, easy to operate, low in cost, environmentally friendly, suitable for industrial applications, and facilitates the effective treatment of organic pollutant wastewater.

The present application relates to natural gas safe storage and transportation technical field, specifically relates to a kind of hydrate promoting composition and its application and gas storage and transportation method.The composition contains neutralizing agent and hydrate formation promoter;Wherein, the neutralizing agent contains component A;The component A is selected from one or more than two of methylcyclohexane, methyl tert-butyl ether, oxidized cyclopentene and tetrahydrofuran-3-ketone.The hydrate promoting composition can still improve the generation rate of hydrate, gas storage capacity and recovery rate in hydrate decomposition recovery stage under the adverse conditions that alcohol and / or salt exist in water source.

The application discloses a high-efficiency automatic focusing method and system, and relates to the field of automatic focusing. The method is applied to an off-axis automatic focusing device comprising a ranging module and an imaging module, and comprises the following steps: detecting height values of multiple measuring points by using the ranging module, and screening fixed-interval focusing points; based on a first height difference between adjacent focusing points, adjusting the height of an objective lens focal point in the imaging module at a constant speed, so that the height of the objective lens focal point is consistent with the horizontal plane position of the focusing point; when the horizontal plane position of the objective lens focal point coincides with that of any correction point, determining a corresponding blur kernel matrix according to a second height difference between the objective lens focal point and the correction point; and based on the blur kernel matrix, performing deblurring processing on an image generated by an image sensor to obtain a measured object image. Based on the above processing, the image blurring problem caused by poor real-time focusing performance is improved, and the detection rate of the automatic focusing device is improved.

This invention discloses an adsorption method and apparatus for refined base oil, relating to the field of base oil adsorption technology. The adsorption method proposed in this invention can solve the problem of poor color and short service life caused by the presence of small amounts of gums, asphaltenes, and residual carbon in base oil, without polluting the ecological environment. The adsorption apparatus proposed in this invention includes a reaction chamber; a rotating cylinder is rotatably installed inside the reaction chamber, with a threaded portion on the outer side of the cylinder. The cylinder has a hollow structure, and its interior is divided into two chambers for storing raw materials by a partition. A mixing rod is rotatably installed at the bottom of the cylinder, with its top end communicating with the two chambers. A filter element is vertically slidably installed inside the reaction chamber for quickly filtering precipitates. This adsorption apparatus can accelerate the removal of precipitated substances and improve adsorption efficiency.

The invention belongs to the technical field of sound-sensitive agents, and particularly relates to a calcium-titanium inorganic sound-sensitive agent as well as a preparation method and application thereof. The preparation method comprises the following steps: dissolving calcium salt in an acetic acid solution, adding C16H36O4Ti, mixing, and reacting at 150-170 DEG C to obtain Ca < 2 + >-TiO2 nanoparticles; the preparation method comprises the following steps: adding Ca < 2 + >-TiO2 nanoparticles into an aqueous solution containing a cationic surfactant to obtain slurry, mixing a graphene suspension with the slurry, carrying out ultrasonic treatment, and purifying and drying to obtain a Ca < 2 + >-TiO2 / graphene compound; and adding the Ca < 2 + >-TiO2 / graphene compound into a lysine aqueous solution to obtain Lys-Ca < 2 + >-TiO2 / graphene powder, namely the calcium-titanium inorganic sound-sensitive agent. The calcium-titanium inorganic sound-sensitive agent has excellent specific surface area and electron-hole separation efficiency, the free radical generation rate is remarkably increased, and the oxidation effect is enhanced; the prepared floating type calcium-titanium inorganic sound-sensitive agent can be naturally distributed on the water surface and is convenient to recycle.

The application belongs to the technical field of aquaculture, and particularly relates to a water temperature-hormone synergistically regulated aquaculture population breeding and hatching method and application. The growth regulator is butyric acid or sodium butyrate. The growth regulator is used to enhance the breeding promotion effect of luteinizing hormone-releasing hormone or its analogs. The breeding promotion refers to promoting the growth of oocytes, promoting yolk accumulation, shortening the ovarian development cycle, and improving the egg production rate. It is found and verified for the first time that butyric acid and its sodium salt can enhance the breeding promotion effect of luteinizing hormone-releasing hormone.

This invention discloses a cooking appliance and its cooking control method, as well as a computer-readable storage medium. The cooking control method includes the following steps: activating a heating element and adjusting its operating power to a preset value; acquiring the temperature inside the cooking cavity; and, once the temperature inside the cooking cavity reaches saturated steam temperature, controlling a water supply element to inject water into the cooking cavity to put the cooking appliance into a cooking state; acquiring dynamic parameter information inside the cooking cavity and adjusting the operating power of the heating element or the water injection rate of the water supply element based on the dynamic parameter information. The technical solution of this invention aims to adjust the cooking appliance according to the food information after the cooking cavity reaches saturated steam temperature, achieving better cooking results, ensuring the food has a tender and smooth texture after cooking, reducing condensation during cooking, and improving the practicality and reliability of the cooking appliance.

The utility model provides a low-voltage constant-current electrolyzed water ozone generator, which belongs to the technical field of ozone water preparation by an electrolytic method and comprises a base, a reactor shell fixed on the upper surface of the base and an electrolysis component fixed in the reactor shell and used for preparing ozone water by electrolysis, wherein a low-voltage constant-current control module for controlling stable output of electrolytic current is fixedly mounted on the base; the ozone generator has the following excellent technical effects that the structure and the process are improved, the electrolysis effective area is increased in a smaller space, the ozone generation rate is remarkably improved, the low-voltage current control module detects the current in a circuit, the constant current is kept, and the ozone generation efficiency is improved. The concentration of ozone water obtained by electrolysis can be ensured to be constant for different water qualities, so that the quality of the generated ozone water can be ensured to be stable. By utilizing the equipment, the use cost is reduced, the service life of the equipment is prolonged, the energy consumption is lower, the application range is wide, and the economic benefit is remarkable.

The invention discloses a dangerous driver longitudinal model construction method based on Levy random characteristics. The method comprises the following steps: firstly, collecting vehicle mass driving data in an actual road traffic environment, deriving driving intensity by using a driving condition Markov state equation, fitting the driving intensity by using Levy distribution, and generating a driving intensity random sample; secondly, calculating a driving intensity boundary of the current acceleration, finding an index of a driving intensity random sample at the boundary, reserving a long tail value of the index to ensure a rapid transfer path of a large and small step length of the driving intensity, randomly selecting the long tail value as the driving intensity at the current moment, obtaining the acceleration at the next moment, constraining the acceleration and calculating the speed at the next moment; and finally, updating the current speed and the current acceleration, and judging whether the maximum duration is reached or collision occurs or not until a dangerous longitudinal driving behavior sequence is output. According to the method, the random dangerous driver longitudinal behavior can be quickly generated, and a reference is provided for simulation test of an accelerated automatic driving longitudinal auxiliary driving system.

This invention discloses a traffic scene generation and construction method and system based on an improved PICT, relating to the field of autonomous driving simulation testing technology. It aims to solve the problems of incomplete coverage, low proportion of high-risk scenes, and insufficient testing efficiency in existing traffic scene generation methods. The method includes: using the NHTSA accident dataset, filtering high-risk sub-elements of static scenes through analytic hierarchy process (AHP) to form a static parameter set; extracting lane-change interaction trajectories from the HighD dataset, dividing lane-change scenarios into TTC hazard level scenarios using K-means clustering, and forming a dynamic parameter set; integrating the dynamic and static parameter sets, constructing logical constraint relationships and an integer weight parameter table, generating a PICT configuration file, and importing the PICT to execute a pairwise combination coverage strategy, outputting a traffic scene test case set. This invention improves the coverage of traffic scene combinations and the generation rate of high-risk scenes, reduces the cost of autonomous driving testing, and provides efficient and reasonable scene support for autonomous driving safety testing.

This application discloses a self-excited random number generation system and method based on a nanophotonic PUF, belonging to the field of hardware anti-counterfeiting technology. The system includes a light source, a filtering unit, an image generation unit, and an image processing unit. The light source outputs an incident beam. The filtering unit performs spatial filtering and collimation amplification on the incident beam, and filters out high-frequency noise and stray light in the incident beam, outputting a uniform beam. The image generation unit includes a spatial light modulator and a nanophotonic PUF. The spatial light modulator is used to receive the uniform beam output by the filtering unit and modulate the uniform beam according to the modulation source data. The nanophotonic PUF generates a speckle image after being excited by the uniform beam. The image processing unit processes the speckle image and generates modulation source data, and simultaneously sends the modulation source data to the image generation unit to modulate the uniform beam to form a self-excited loop. The image processing unit is also used to process the speckle image to form a binary random matrix, and serialize the random matrix into a one-dimensional random bit sequence as a random number. This application not only features high random number entropy, strong unpredictability, and excellent anti-attack capability, but also has the advantages of good system compatibility and independence from external data dependence, making it widely applicable in scenarios such as high-security key generation and encrypted communication.

This invention discloses a TiO2-supported NiCoCuMnAl high-entropy multimetallic photothermal methane dry reforming catalyst, its preparation method, and its application, belonging to the field of photothermal catalysis technology. The catalyst, designated T-NCCMA, is prepared by: dispersing tetrabutyl titanate in methanol, adding nickel, cobalt, copper, manganese, and aluminum sources to obtain a mixed solution; dissolving 2-methylimidazole in methanol and adding it to the above solution, followed by solvothermal reaction, centrifugation, washing, and drying to obtain a precursor; and finally, high-temperature heat treatment under a reducing atmosphere to obtain the final product. This invention constructs a high-entropy multimetallic interface on the TiO2 surface. Ni / Co sites promote CH4 activation, Mn-regulated defective TiO2 interfaces promote CO2 activation and oxygen transfer, Cu inhibits carbon deposition, and Al improves stability. The resulting catalyst, used in photothermally driven methane dry reforming reactions, exhibits high syngas yield, an H2 / CO ratio close to 1, and excellent anti-carbon deposition stability.

The invention discloses a method for preparing ammonia by low-temperature plasma nitrogen fixation based on a titanium-based chemical looping. The method comprises the following steps: uniformly dispersing an oxygen carrier on a plasma reactor paved with quartz wool, and introducing nitrogen to carry out plasma reaction to generate a nitrogen carrier; and hydrolyzing reactants in deionized water to produce ammonia. According to the invention, TiO2 is used as an oxygen carrier and has good thermal stability, and the reaction energy barrier is reduced. The metal electronic structure of TiO2 further enhances the adsorption and activation capabilities of nitrogen, and improves the reaction rate. The composite magnesium-titanium-based nitrogen carrier has a synergistic effect, and the composite magnesium-titanium-based nitrogen carrier and the composite magnesium-titanium-based nitrogen carrier are compounded to optimize an electronic structure, promote nitrogen reduction and improve nitrogen fixation efficiency; meanwhile, nitrogen is released through hydrolysis under the mild condition, H2 is replaced with H2O, and the energy cost is reduced. The problems of high energy consumption and high emission caused by high-temperature reaction conditions are avoided, the nitrogen fixation efficiency is also improved, and thermodynamic and dynamic obstacles of the reaction are reduced.

The application belongs to the technical field of biological solidification, and particularly discloses a method for solidifying fine-particle tailings with different particle sizes through carboxymethyl chitosan-mediated biomineralization, which comprises the following steps: pretreating the fine-particle tailings; uniformly mixing carboxymethyl chitosan into the tailing particles; preparing enzyme-induced carbonate precipitation solution and microorganism-induced carbonate precipitation solution; respectively injecting the enzyme-induced carbonate precipitation solution and the microorganism-induced carbonate precipitation solution by using a saturated two-way continuous grouting mode; and after flushing with distilled water, curing and drying are performed, so that the solidification is completed. The method for solidifying fine-particle tailings with different particle sizes through carboxymethyl chitosan-mediated biomineralization has the advantages that under the mediation of carboxymethyl chitosan, the mineralization reaction rate of biomineralization and the mineral precipitation form are both optimized, and the mechanical stability of the overall solidification system and the solidification stability of heavy metal pollutants are also significantly enhanced.

The utility model relates to the technical field of nickel carbonate production, in particular to a continuous nickel carbonate precipitation reaction tank which comprises a base, two supports are arranged at the top of the base and jointly connected with a reaction tank and a continuous collecting piece, a backflow connecting pipe is arranged on the outer wall of the reaction tank, and a tank cover is connected to the top of the reaction tank through a flange. A nickel salt solution injection pipe and a carbonic acid source solution injection pipe are arranged at the top of the tank cover, a discharging pipe is arranged at the bottom end of the reaction tank, an electromagnetic valve is arranged on the discharging pipe, the continuous collecting part comprises a rectangular box body communicated with the discharging pipe, a detachable filtering box is arranged in the rectangular box body, a liquid outlet pipe is arranged at the bottom of the rectangular box body, and a pump body is arranged at the top of the base. According to the continuous nickel carbonate precipitation reaction tank, a reacted solution enters the continuous collecting piece through the discharging pipe, an unreacted solution is circulated back to the reaction tank through the pump body to be reused, meanwhile, a nickel salt solution and a carbonic acid source solution can be supplemented in real time, and the production efficiency is remarkably improved.