1421results about How to "Raise the ratio" patented technology

The invention provides a sodium ferric pyrophosphate positive electrode material cooperatively doped with anions and cations, a preparation method of the sodium ferric pyrophosphate positive electrode material and a sodium ion battery, and relates to the field of sodium ion batteries. The anion and cation synergistically doped ferric sodium phosphate pyrophosphate positive electrode material comprises an inner core and a coating layer covering the outer surface of the inner core, the inner core comprises ferric sodium phosphate pyrophosphate, the coating layer comprises carbon, the chemical formula of the ferric sodium phosphate pyrophosphate is Na4-2yFe2.91-xQx (PO4) 2-yP2O7Fy, x is more than 0 and less than or equal to 0.3, and y is more than or equal to 0.03 and less than or equal to 0.08; q comprises at least one of Sn, Ni, Cu, Mg and Mn. The introduced Q positive ions and F negative ions can keep the crystal structure of the body material stable, and the positive ions and the negative ions have a synergistic effect, so that the band gap of the positive electrode material is reduced, the state density near the Fermi level of the positive electrode material is increased, the conductivity of the positive electrode material is enhanced, the specific capacity of the positive electrode material is improved, and the rate and the cycle performance are promoted.

The invention belongs to the technical field of microorganisms, and relates to a lactobacillus paracasei JNL0025 strain and application thereof. Compared with a commercial strain lactobacillus casei substitute strain, the lactobacillus paracasei JNL0025 provided by the invention has the advantages that the guanine nucleoside conversion rate is improved, the inhibition rate of supernate on XOD is equivalent, and the inhibition on PNP activity can be realized; according to the lactobacillus paracasei JNL0025 disclosed by the invention, the lactobacillus paracasei JNL0025 has the effects of reducing the tendency of pro-inflammatory M1 type macrophages, increasing the proportion of anti-inflammatory M2 type macrophages and inhibiting secretion of pro-inflammatory cytokines TNF-alpha and IL-6, and the lactobacillus paracasei JNL0025 has a better inflammation inhibition effect than the lactobacillus rhamnosus LGG; animal experiment results show that the lactobacillus paracasei JNL0025 provided by the invention can significantly reduce the blood uric acid level of a hyperuricemia model mouse, alleviate the kidney inflammation level and alleviate DSS-induced colitis, and shows a huge application value.

The invention relates to the technical field of flue gas, and provides a deacidification control method and device for a garbage incinerator, and the method comprises the steps: obtaining combustion parameter data, purification parameter data and gas detection data, inputting a preset prediction model, and outputting future emission data; inputting the future emission data into a preset parameter model, outputting future control parameters, and calculating future concentration parameters and future injection quantity parameters of the lime slurry; analyzing a future concentration parameter linear interval and a future injection quantity parameter linear interval; inputting the future concentration parameter and the injection quantity parameter into a preset temperature control model, and outputting a future temperature parameter linear interval; all the intervals are input into the semi-dry method deacidification tower, so that the future temperature and the future production concentration can be controlled by automatically adjusting a valve port of the semi-dry method deacidification tower, and the problem that when components and loads of garbage change, control parameters are difficult to adjust in time, and consequently flue gas emission exceeds the standard or lime slurry is wasted is solved.

The invention belongs to the technical field of biochemical engineering, and discloses application and a method of tea polyphenol in improvement of schizochytrium limacinum DHA (docosahexaenoic acid) grease yield and grease storage, and tea polyphenol is added in the process of producing DHA by fermentation of schizochytrium limacinum. By comparing the difference of schizochytrium limacinum in tea polyphenol fermentation and traditional fermentation, it is clear that the antioxidant tea polyphenol regulates cell oxidative stress in schizochytrium limacinum, removes ROS and inhibits grease oxidation, so that grease rancidity is delayed, and grease synthesis and DHA production are increased. According to the invention, schizochytrium limacinum HX-308 is used as a receptor strain, and an antioxidant tea polyphenol is added for regulation, so that fermentation conditions under which the content of grease and DHA is obviously increased and the grease storage effect is better are obtained.

The invention relates to the technical field of battery materials, and discloses a lithium cobalt oxide composite positive electrode material with a coating layer, a preparation method thereof, a positive electrode and a battery. The lithium cobalt oxide composite positive electrode material with the coating layer comprises a main body and the coating layer coated outside the main body, the chemical formula of the main body is LixNayCo1-zMzO2, x is more than or equal to 0.7 and less than or equal to 0.74, y is more than 0 and less than or equal to 0.1, z is more than or equal to 0 and less than or equal to 0.1, and M is selected from at least one of Al, Mg, W, Ti, La, Zr, Y, Ni, Mn and Nb; the coating layer is a metal oxide; and a crystal phase in the main body is a T2 and O2 composite phase. The preparation method comprises the following steps: firstly preparing a P2-phase sodium cobalt oxide precursor, coating the precursor, and then carrying out ion exchange with a lithium source mixed molten salt to finally obtain the composite positive electrode material of T2 and O2 composite phase lithium cobalt oxide with a coating layer. The positive electrode material has good electrochemical performance.

The invention belongs to the field of intelligent environment comprehensive regulation and control, and particularly discloses and provides an intelligent environment comprehensive regulation and control method based on sleep aiding, which comprises the following steps: firstly, according to the heart rate and skin resistance of a user, evaluating the stability of a sleep state, automatically adjusting the brightness and color temperature of light, and creating a suitable sleep atmosphere; secondly, determining the temperature and humidity of the preference environment by analyzing the longest sleep time, the sleep time and the number of times of waking up at night in the historical sleep data of the user, and intelligently regulating and controlling the environment to match the temperature and humidity of the preference environment of the user. And finally, the system recommends a suitable music type according to the environmental noise type, and accurately recommends sleep music based on preference feedback of the user for each piece of music. Meanwhile, environmental noise decibel is monitored in real time, music volume is dynamically adjusted, harmonious coexistence of music and environmental noise is ensured, a more comfortable and quiet sleep environment is created for the user, and the sleep quality of the user is improved in multiple dimensions.

The invention discloses a method for enhancing the performance of methane synthesis through CO2 microbial electrochemical conversion based on quorum sensing, which comprises the following steps: adding an exogenous quorum sensing signal molecule octanoyl-L-homoserine lactone C8-HSL into a cathode chamber of a microbial electrolysis cell MEC, firstly inoculating an aqueous solution containing anaerobic microorganisms into the cathode chamber, and domesticating; forming a cathode biological membrane on the cathode electrode as a biological cathode; and then under the conditions that the cathode liquid in the cathode chamber is subjected to aeration of high-purity CO2 and quorum sensing signal molecules are added, a direct-current power supply provides external voltage to carry out a reaction for synthesizing methane by electrochemical conversion of CO2. According to the method for improving the performance of synthesizing methane from CO2 by adding the exogenous quorum sensing signal molecules into the culture medium of the microbial electrosynthesis system, the addition of the signal molecules not only can promote the growth of a biological membrane, improve the stability of the biological membrane and shorten the starting time of a reactor system, but also can directionally regulate and control florae and improve the abundance of the florae; meanwhile, the methane yield of the system is improved.

The invention discloses bacillus subtilis and application thereof in rapeseed meal fermentation. The bacillus subtilis is named as bacillus subtilis H8, and the preservation number of the bacillus subtilis is CCTCC (China Center For Type Culture Collection) NO: M20241745; the 16S rDNA gene sequence of the bacillus subtilis H8 is as shown in SEQ ID No: 1. The strain can effectively degrade the content of antinutritional factors in the rapeseed dregs, and the nutritional characteristics of the rapeseed dregs are improved through solid fermentation of the rapeseed dregs. According to the method, the problem that the fermentation effect of existing feed fermentation raw materials is not ideal is solved, and through multidisciplinary cross research and industrial application and popularization, the rapeseed meal fermentation technology provides important support for resource recycling and agricultural sustainable development.

The invention belongs to the technical field of grassland improvement, and discloses an alpine pasturing area natural grassland community near-nature restoration and soil fertility improvement method and system, and the method comprises the steps: carrying out the transition and grazing in advance, and completing the prevention and control of rodent damage through an artificial bow and arrow capturing mode; different proportion combinations of different grass seeds are researched, and a suitable grass seed matching mode is screened out; soaking the seeds with a microbial agent; organic fertilizer is selected for fertilization; and carrying out no-tillage reseeding or manual reseeding. The grassland is cultivated through the technologies of grazing in advance, artificial deratization, combination of different grass seeds in different proportions, seed soaking with a fungicide and additional application of organic fertilizer, and a good effect is achieved. The method has the characteristics of safety, timeliness, sustainability, low input cost, simple and easy technology implementation and the like.

The invention relates to paclitaxel ganoderma lucidum spore oil self-nanoemulsion composite particles with ganoderma lucidum spores as a carrier and a preparation method of the paclitaxel ganoderma lucidum spore oil self-nanoemulsion composite particles, and belongs to the technical field of medicines. Pretreated Ganoderma lucidum spores (GLS) are obtained through process screening and serve as a drug carrier, and paclitaxel-loaded Ganoderma lucidum spore oil self-nanoemulsion (PGS) is loaded into the Ganoderma lucidum spores (GLS) to obtain paclitaxel-loaded composite particles (PGS (at) GLS). An in-vitro release curve shows that the PGS-atGLS has the characteristic of slow release after reaching the intestinal tract; in-vivo pharmacodynamic experiments show that PGS-atGLS can significantly inhibit development and metastasis of mouse colorectal cancer; tumor tissue slice immunofluorescence analysis shows that PGS-atGLS can effectively play a role in treating colon cancer. The paclitaxel self-nanoemulsion-loaded ganoderma lucidum spore composite particles synergistically promote cancer immune circulation by inducing immunogen cell death and immunoregulation, significantly improve the treatment effect of colon cancer, and have good biological safety.

The invention relates to a culture medium and a culture method of persistent DC-CIK cells and application of the culture medium and the culture method, and belongs to the technical field of cell culture. The invention provides a culture medium for persistent DC-CIK cells, which takes a serum-free culture medium as a solvent and comprises a recombinant human granulocyte macrophage colony stimulating factor, a recombinant human interleukin-12, a recombinant human tumor necrosis factor-alpha, a recombinant human interferon-gamma, L-cysteine, glutathione, ginseng polysaccharide and streptomycin sulfate. According to the culture medium and the culture method of the persistent DC-CIK cells, proliferation and growth of the DC-CIK cells can be promoted, and very high tumor killing activity of the DC-CIK cells can be maintained for a long time.

The invention belongs to the technical field of automatic control, and particularly relates to an automatic proportioning control system for mine intersection filling materials. The system comprises a data acquisition and dynamic monitoring unit, an intelligent control and optimization calculation unit and an automatic execution unit, the data acquisition and dynamic monitoring unit is used for defining a multi-component proportion constraint and a total mass constraint, calculating the real-time local concentration of each component of the filling material slurry and establishing a comprehensive objective function for measuring the filling performance; the intelligent control and optimization calculation unit is used for constructing a pressure penalty function to quantify an overrun risk according to the determined pressure safety upper limit; dynamically solving the optimal ratio; and the automatic execution unit is used for converting the optimal ratio into the feeding flow of each component, and is controlled and executed through a pump valve. Under the complex mine working condition, the component proportion and the pump valve control instruction can be adjusted in real time, so that the stability of the filling material performance and the safety of the conveying process are guaranteed.

The invention provides a positive pole piece, a preparation method thereof and a lithium ion battery. The positive pole piece comprises a positive current collector and a negative current collector, the first active coating is arranged on the surface of at least one side of the positive electrode current collector; the raw materials of the first active coating comprise a first main material, a first conductive agent and a low-swelling binder; the second active coating is arranged on the surface of one side, relatively far away from the positive electrode current collector, of the first active coating; and raw materials of the second active coating comprise a second main material, a second conductive agent and a high-swelling binder. Different types of binders are introduced into the first active coating and the second active coating, so that the tortuosity and porosity of the pole piece are changed, the diffusion rate of lithium ions is effectively improved, the concentration polarization of the surface layer of the pole piece is reduced, and the rate and cycle performance of the battery are remarkably improved. Particularly, the positive pole piece can achieve the goal of improving the multiplying power and the cycle performance without increasing the proportion of the conductive agent.

The invention belongs to the field of drug preparation, and particularly relates to a preparation method and application of a drug delivery system based on hollow mesoporous polydopamine nanoparticles. The drug delivery system comprises hollow mesoporous polydopamine nanoparticles, a drug loaded inside and / or outside the hollow mesoporous polydopamine nanoparticles, and pectin wrapping the hollow mesoporous polydopamine nanoparticles, the medicine is a medicine with a nerve protection effect and an acetylcholin esterase inhibitor. The drug delivery system can reduce proinflammatory cytokines, regulate functions of target immune cells, synergistically reduce necrosis of neurons in intestinal tracts and induce neural crest stem cells in the intestinal tracts to be differentiated into neurons.

The invention belongs to the field of flow heat transfer testing devices and the technical field of semiconductor chip and integrated circuit packaging heat dissipation, particularly relates to a flow heat transfer testing device and method for a 3DIC, and aims to solve the problem of heat management experiment testing of a 3DIC structure under the condition of high heat flux. The device comprises alternately stacked open type heating sheet slots, micro-channel modules, MCH ceramic heating sheets, interlayer communication columns, a flow distributor and a plurality of temperature measuring elements. Through a reasonably designed fluid distribution system and a precise heat conduction structure, an equivalent substitution experiment scheme of a real 3DIC is realized, the problem of small-space temperature measurement point and heat source arrangement is solved, and the problems of non-uniform flow distribution of gas-liquid two-phase flow in a variable cross-section sub-runner and the like are solved. The device has a real-time temperature monitoring capability, is suitable for thermal management research and multiphase flow pattern observation of 3DIC, and provides a scientific basis for optimization design and performance improvement.

The invention discloses a multistage sewage treatment device and method combining biological treatment and electro-Fenton, and relates to the field of water pollution control, the device is composed of a three-chamber microbial fuel cell reactor, and the three-chamber microbial fuel cell reactor is sequentially composed of a microbial anode chamber, an electro-Fenton cathode chamber and a photosynthesis chamber from left to right. The biological anode chamber consists of filled anaerobic granular sludge and a carbon brush electrode serving as an electron collector; and the core structure of the electro-Fenton cathode chamber is a gas diffusion cathode loaded with nano FeCo2O4. The microbial anode chamber and the electro-Fenton cathode chamber are isolated by a proton exchange membrane, and the gas diffusion electrode separates the electro-Fenton cathode chamber and the photosynthesis chamber at the same time. According to the invention, the combination of two clean energy sources, namely microbial energy and light energy, is realized, the efficient removal capability of aerobic and anaerobic biological treatment technologies and the synergistic mechanism of microorganisms and algae for purifying sewage are combined, the efficiency of the microbial fuel cell is further optimized, and the removal of ammonia nitrogen and refractory organic pollutants in the sewage is realized.

The invention provides a lignocellulose straw with high bamboo powder content and a preparation method thereof. The lignocellulose straw comprises a straw body and a protective layer. The green degradable straw with the bamboo powder content as high as 90% can be prepared through the method. According to the method, lignin is used as a main body material, and a three-layer structure of a protective layer, a lignin straw and a protective layer is formed. And the protective layer is a naturally degradable protective film or an environment-friendly coating. The preparation method comprises the following steps: compounding bamboo wood, cellulose, a protective auxiliary agent and the like according to a ratio, then carrying out negative pressure dehydration, manufacturing into a straw by using a coiling machine with a specified size, drying, rapidly immersing the dried straw into a protective agent, then taking out and airing, and finally cutting into the straw with a specified length by using a pipe cutting machine. The straw effectively relieves plastic pollution, meanwhile, the bamboo wood is utilized in a high-efficiency and high-proportion mode to the maximum extent, and the bamboo wood utilization rate is far higher than that of products sold in the current market. The method has great industrial application value.

The invention discloses a soil structure improver containing a compound microbial agent and a preparation method of the soil structure improver. The soil structure improver containing the compound microbial agent is prepared from the following raw materials in percentage by mass: humic acid, the compound microbial agent, vermiculite powder, a seaweed extract, diatomite, polydextrose, pectin, monopotassium phosphate, an organic zinc chelate, a medium trace element supplement and bentonite, wherein the humic acid, the compound microbial agent, the vermiculite powder, the seaweed extract, the diatomite, the polydextrose, the pectin, the monopotassium phosphate, the organic zinc chelate, the medium trace element supplement and the bentonite are matched. According to the soil structure improver disclosed by the invention, through the synergistic effect of the compound microbial agent, the proportion of a soil aggregate structure is effectively increased, the stability and the anti-scouring capability of soil are enhanced, the air permeability and the water-retaining property of the soil are improved, an ideal environment is created for the growth of crop roots, and the microbial agent can be colonized in the soil, so that the soil structure is improved. A good microbial community structure is formed, the biological diversity of the soil is enhanced, the self-repairing capability of the soil is improved, and a healthy soil ecological system can be constructed.

The invention relates to a hard carbon material and a preparation method thereof, a negative pole piece and a battery. The preparation method of the hard carbon material comprises the following steps: carrying out pre-oxidation treatment on a plastic precursor to obtain pre-oxidized plastic; adding the obtained pre-oxidized plastic into a mixed solution of deionized water and alcohol, then adding 2, 6-dipicolinic acid, and carrying out a cross-linking reaction to obtain a plastic-based resin carbon precursor; and carbonizing the obtained plastic-based resin carbon precursor at high temperature to obtain the hard carbon material. The hard carbon material prepared by using the preparation process of the hard carbon material provided by the invention is stable in structure, and shows good sodium storage capacity and excellent rate and cycle performance.

The invention belongs to the technical field of lithium ion batteries, and relates to a liquid injection method of a lithium ion battery, in particular to a lithium ion battery electrolyte combination, a secondary liquid injection process and the lithium ion battery. The calculation formula of the mass content (W1) of the vinylene carbonate in the first electrolyte is # imgabs0; the calculation formula of the mass content (W2) of the vinylene carbonate in the second electrolyte is # imgabs1 # imgabs2 #, and W1 is less than W2. According to the invention, the content of vinylene carbonate in the electrolyte injected twice is adjusted according to the proportion of the secondary particles, the content of the negative electrode active material, the interlayer spacing of the graphite particles and the interlayer spacing of the carbon coating layer, so that the performance of the lithium ion battery can be better improved.

The invention discloses a heterostructure composite material and a preparation method thereof, and a preparation method and application of a composite material positive electrode, the preparation method of the composite material comprises the following steps: sequentially adding a solvent, vanadium pentoxide and a conductive polymer monomer into ball milling equipment for ball milling to obtain conductive polymer intercalated vanadium pentoxide; 2, adding the conductive polymer intercalated vanadium pentoxide obtained in the step 1 into a solvent, uniformly mixing, and sequentially adding a silver nitrate solution and a reducing agent to obtain a composite material with a heterostructure formed by the Ag nanocrystal modified conductive polymer intercalated vanadium pentoxide; according to the manufacturing method of the aqueous zinc ion battery positive electrode, the process is simple, the cost is low, the yield is high, the repeatability is good, the zinc ion battery positive electrode material with good rate / cycle performance and high coulombic efficiency is obtained, and the prepared product is excellent in performance through an electrochemical performance test.

The invention relates to the field of food technology, and discloses a phosphorus-free frozen water-retaining agent for tilapia fillets, and a preparation method and application thereof. A phosphorus-free frozen water-retaining agent for tilapia fillets is composed of the following substances in mass fractions: 0.3-0.7% sorbitol, 0.1-0.5% sodium citrate, 0.5%-1.3% soy protein isolate, and the rest is distilled water. The preparation method of the phosphorus-free frozen water-retaining agent is to take sorbitol, sodium citrate, and soy protein isolate in a container respectively, add distilled water, stir and dissolve to obtain. The phosphorus-free frozen storage method of tilapia fillets is to take the tilapia fillets and soak them in the water-retaining agent solution for 0.5-1.5 hours, take them out and vacuum pack them, and then quickly put them into a -20°C environment for frozen storage. The phosphorus-free frozen water-retaining agent of the present invention can not only inhibit the denaturation of protein and fat of tilapia during frozen storage, maintain the stability of fish fillet protein, but also improve the texture characteristics of the fish fillets, and improve the antifreeze and water retention.

The invention discloses a germanium-silicon photoelectric detector, which relates to the field of photoelectric detectors and comprises a strip waveguide, a doped first silicon waveguide region, a doped second silicon waveguide region, a germanium layer, a doped germanium layer, a germanium upper electrode and a silicon upper electrode, the electrodes on the silicon surround all the side faces of the germanium layer, gaps at the vertex angles are reserved for transmission of optical signals, the full-surrounding electrodes reduce parasitic parameters of the photoelectric detector, and the bandwidth of the detector is improved. And the silicon strip waveguide is connected with the vertex angle of the second waveguide region corresponding to the silicon-on-electrode gap, and guides an optical signal to be input from the vertex angle of the second waveguide region and propagate along the diagonal line of the germanium layer, so that the propagation path of the optical signal is increased, the responsivity is improved, and the problem that the bandwidth and the responsivity are mutually restricted in the prior art is solved.

The invention belongs to the technical field of computer information processing, and particularly discloses an internet of things equipment firmware-oriented fuzz test input optimization device, which comprises a static analysis module used for carrying out firmware analysis through an API interface, identifying an input transmission point of bare computer firmware, and realizing automatic identification through a custom script; the dynamic simulation module is used for identifying an input transfer point of the firmware of the real-time operating system and realizing a length inference mechanism and a final input transfer algorithm; the input routing mapping module is used for identifying and dynamically monitoring a data retrieval point, an input processing point and an availability check instruction in firmware to obtain a mapping result; the input transmission point identification module is used for automatically identifying an input transmission point of the firmware based on the mapping result; and the sensing module is used for dynamically determining the minimum length and the maximum length of the input data of the input transmission point, optimizing the input transmission point of the firmware fuzz test, and dynamically calculating the length of the reserved data. According to the invention, the fuzz testing efficiency can be improved.

The invention discloses a structural plane network sequence modeling method and system suitable for layered rock mass, and relates to the technical field of rock mass engineering, and the method comprises the steps: obtaining layered rock mass outcrop data as basic data, and obtaining basic data interpretation representation after processing; determining a rock mass outcrop homogeneous region division result according to the type attribute of the basic data; according to the interpreted occurrence data in combination with a rock mass outcrop homogeneous region division result, correcting the occurrence data in each homogeneous region by using a weighting function, and grouping the structural surfaces by using a K-mean particle swarm algorithm to obtain grouped structural surfaces; determining the density of the distribution space of each group of structural surfaces according to the spacing, occurrence, size and survey line trend data of each group of structural surfaces; determining the position and size of a layer in the layer structure space according to the determined distribution position of the structural surface; and randomly combining parameters of each group of structural surfaces, and constructing a stratified rock mass structure spatial network model in combination with sequence modeling and Monte Carlo simulation methods.

The utility model discloses a full-automatic foam production machine, relates to foam production equipment technical field, including bracing frame, stirring tank and raw material tank, the top of bracing frame is fixedly equipped with the stirring tank, the both ends of bracing frame bottom are equipped with the raw material tank, the top of both the two raw material tank is fixedly equipped with the first water suction pump, the first water suction pump is equipped with the second water suction pump, the second water suction pump is equipped with the second water suction pump. Conveying pipelines are fixedly mounted on one sides of the two first water pumps, the other ends of the two conveying pipelines penetrate through the supporting plate and are fixedly connected with the surface of one side of a stirring tank, liquid level detectors are fixedly mounted at the tops of one ends of the two raw material tanks, and liquid level meters are arranged on one sides of the two raw material tanks. According to the foam production machine, raw materials can be conveniently proportioned, the labor intensity of workers is reduced, the efficiency of the foam production machine is improved, meanwhile, various raw materials can be better mixed and can be uniformly mixed, and the practicability of the foam production machine is improved.

The invention discloses an intelligent management and control method and system for building material product quality detection, and relates to the field of product quality detection. A virtual production workshop of a to-be-detected building material product is constructed, production information of a physical production workshop is collected by adopting interactive fusion of physical information and data, real-time interaction with production information of the virtual production workshop is carried out, and a production process flow of the to-be-detected building material product is determined. The method comprises the following steps: collecting production information parameters of each sub-process in a qualified production process, taking a to-be-detected building material product simulation model of a virtual production workshop as an inspection object, obtaining a jth production information parameter value of an ith sub-process in a (k + 1) th production process of the inspection object, and calculating and determining a state level of the parameter value, and determining a risk factor of the ith sub-process in the (k + 1) th production process flow according to the state level of the obtained production information parameter value, and calculating a qualified rate risk characterization value of the to-be-detected building material product in the (k + 1) th production process flow.

The invention belongs to the field of medicines, and discloses a crystal of difloxacin and a salt-based compound thereof, the grain size of the crystal is 200nm-10mu m, and the crystal is of a sheet structure. The crystal provided by the invention has the particle size of 200nm-10mu m, is of a sheet structure, can stably exist in water in a suspension form, has the advantages of long acting time and small irritation, does not block a needle head, and can be prepared into preparations with various concentrations. Meanwhile, the invention also discloses a preparation method of the crystal.

The invention discloses a remote control anti-delay video transmission method based on a future scene generation network. The remote control anti-delay video transmission method comprises the following steps: synchronizing time references of a remote control vehicle and a remote cockpit; original video stream data of the environment where the remote control vehicle is located is collected; adding a camera number and timestamp information into the original video stream data; preprocessing the decoded video stream data to generate a plurality of paths of future scenes; generating multiple paths of future scene video stream data; camera numbers and timestamp information are added to the multiple paths of future scene video streams; decrypting, decoding and distributing the data; performing packet loss and time delay detection on the original video stream data, and performing visual quality optimization on the future scene video stream data; and a complete and continuous video stream is formed. According to the method, the delay in video transmission is greatly reduced, and the video content at the future moment can be predicted and generated in advance in future scene generation, so that the video blank possibly occurring due to transmission delay or data packet loss is effectively filled.

The invention relates to the technical field of metallurgy, in particular to a preparation method of composite calcium ferrite, which comprises the following steps: mixing and grinding pretreated industrial copperas and pretreated titanium gypsum to obtain a mixture, or mixing and grinding dried industrial copperas and pretreated titanium gypsum to obtain a mixture; mixing the mixture with water, pressing the mixture into blocks, and drying the blocks to obtain a blocky mixture; and calcining the blocky mixture to obtain the composite calcium ferrite. The titanium gypsum is rich in calcium, sulfur and a part of iron, the industrial copperas are mainly ferrous sulfate, the two solid wastes are mixed and calcined, the mixture is decomposed to generate sulfur dioxide and can be recycled to prepare sulfuric acid, calcium and iron are combined to form composite calcium ferrite, valuable elements such as calcium, sulfur and iron in the titanium gypsum and the industrial copperas can be fully utilized, and the industrial copperas can be recycled. And resource comprehensive utilization of typical solid wastes in the titanium dioxide production industry is realized.