144results about How to "Creative improvement" patented technology

The invention discloses an array antenna for generating microwave orbital angular momentum based on a phase gradient super-surface. The array antenna is formed by the arrangement of phase shift units (1), each phase shift unit (1) comprises a dielectric plate (3), a metal patch (4) is arranged on the surface of the dielectric plate (3), an upper hole (5) is formed in the middle of the metal patch (4), a metal ground plate (6) is arranged at the bottom of the dielectric plate (3), a lower hole (7) is formed in the middle of the metal ground plate (6), and a metal pipe (8) is arranged at the middle of the dielectric plate (3) and communicates with the upper hole (5) and the lower hole (7). The array antenna has the characteristics of small size, light weight and low cost; meanwhile, the continuous control of the orbital angular momentum in phases of 0 to 2Pi is further achieved, and obvious vortex orbital angular momentum is generated; and moreover, the array antenna has an excellent reflection effect.

The invention provides a high nickel quaternary cathode material precursor, a high nickel quaternary cathode material, a preparation method and an application. The chemical formula of the high nickelquaternary cathode material is shown as a formula Lia(Ni1-x-y-zCoxAlyMnz)O2, x, y, z and a are mole fractions, x is larger than 0.03 and smaller than or equal to 0.15, y is larger than 0.01 and smaller than 0.05, z is larger than 0.01 and smaller than 0.05, 1-x-y is larger than 0.6 and smaller than 0.9, and a is larger than or equal to 1 and smaller than or equal to 1.1. Soluble nickel salt, soluble cobalt salt, soluble aluminum salt and soluble manganese salt are prepared in a form of a solution and can be uniformly distributed in the solution, and the high-nickel quaternary cathode materialprecursor is prepared from the solution with the uniformly distributed nickel salt, cobalt salt, aluminum salt and manganese salt; then, the high nickel quaternary cathode material precursor and lithium salt are mixed and sintered four times, and the high nickel quaternary cathode material is obtained. The high nickel quaternary cathode material has stable structure, high safety performance, longcycle life and good thermal stability.

This invention relates to a type of steel used for saw blade for stone slotting. Account for weight the chemical composition is: C 0.45-0.60,Si 0.10- 0.60,Mn 1.30-1.80,P<=0.02,S<=0.01,V 0.05-0.20,Cr 0.15-0.30, N 0.005-0.020,Ca 0-0.0050,Al 0.005-0.040, and the rest is Fe and inevitable impurity. The process includes steps as follows: smelting, casting,; continuous casting billet use heat sending and heat packing , ensure the temperature keep above 300DEG C before it be send into plate body for heating; keep temperature for plate body heating above 1150DEG C,temperature for hot rolling above 900DEG C; cooling after rolling, then coiling, keep the coiling temperature above 700DEG C. This invention has higher hardenability then midst-carbon and low-alloy steel, especially refer to make large saw blade which diameter is above 1000mm.

The invention discloses a system for cracking of methyl tertiary butyl ether to prepare high purity isobutylene. The system includes: a refining tower; a reactor; a gas-liquid separation tank; a methanol recovery tower; a methanol washing tower; an isobutylene light component removal tower; and an isobutylene heavy component removal tower. The refining tower, the reactor, the gas-liquid separation tank, the methanol washing tower, the isobutylene light component removal tower, and the isobutylene heavy component removal tower are connected in order, the gas-liquid separation tank is connected to the methanol recovery tower, and the methanol washing tower, the gas-liquid separation tank and the methanol recovery tower form parallel connection. At the same time, the invention also provides a method for preparation of high purity isobutylene through cracking of methyl tertiary butyl ether. With the system and the preparation method provided by the invention, high purity isobutylene with purity of greater than 99.9% can be prepared, and methanol with purity of more than 99% can be obtained. Thus, investment and energy consumption of equipment are reduced, and loss of isobutylene is reduced.

A system, method and computer program product provides for power line communications (PLC) over electric power lines includes a device mountable near an electrical distribution transformer (DT) to provide a high speed interface and communicates with one or multiple access devices, which provide low speed interfaces for analog signals or digital signals over RS 232, RS 485, optical, wireless and Ethernet. The device transmits data to / from these access devices over the electric lines to other repeaters over one or more wires of an electrical line or over multiple lines, and serves to strengthen and improve signal quality. Upon detecting a wire or line is having problems carrying data, the data is sent over other wires, and upon power line failures, wireless backup to mobile / GSM and WiMax networks is utilized. The device permits utilities and others to read electric meters, monitor the power quality of the distribution grid and detect power losses / failures / outages.

The invention relates to a quick smoking cessation atomizing cigarette with prolonged service life, solving the problems that the atomization amount is not easy to control, the use effect is poor and the service life is short. A smoking cessation drug nozzle is movably arranged at the front end of an atomizer, a battery rod is connected with the rear end of the atomizer, the smoking cessation drug nozzle is formed in a way that an air hole is arranged in the center of the front end of a hollow cylinder, breathable cotton containing smoking cessation health-care drug is arranged at each of thetwo ends of a drug bin, a breather pipe is arranged at the rear part of the drug bin, oil absorbing cotton containing smoking cessation oil drug liquor is filled around the breather pipe, the atomizer is formed in a way that four corresponding air holes are arranged at the periphery of an atomizing ceramic cup and a metal nickel net wraps the periphery of thee atomizing ceramic cup, an oil absorbing rope absorbing the smoking cessation oil drug liquor is arranged on an atomizing ceramic cup holder, a heating wire is wound on the rope, two ends of the heating wire are respectively connected with the negative electrode of a battery and one end of a CPU (central processing unit) control panel, the other end of the CPU control panel is connected with the positive electrode of the battery, thebottom of the atomizer is connected with the battery rod, and a controller protective casing is sheathed on the CPU control panel and is connected and sealed with the CPU control panel by a rear cover and the rear part of the battery rod. The quick smoking cessation atomizing cigarette is long in service life and can achieve the purpose of thorough smoking cessation.

The invention discloses a metasurface reflective array plane used for focusing electromagnetic waves. The super-surface reflective array plane comprises an array phase plate (2) formed by more than two phase shifting units (1), wherein each phase shifting unit (1) comprises a dielectric plate (3); a metal patch (4) is arranged on the surface of each dielectric plate (3); an upper hole (5) is formed in the middle of each metal patch (4); a metal grounding plate (6) is arranged at the bottom of each dielectric plate (3); a lower hole (7) is formed in the middle of each metal grounding plate (6); a metal tube (8) is arranged in the middle of each dielectric plate (3); and the metal tube (8) is communicated with the corresponding upper hole (5) and the corresponding lower hole (7). The metasurface reflective array plane has a quite excellent incident wave reflection and focusing effect; in addition, the incident wave reflection attenuation rate is lowered, so that the reflective effect of the metasurface reflective array plane is improved consequentluy; the reflection efficiency of the existing array antenna is normally 30-40%, while the reflection efficiency of the metasurface reflective array plane can reach 65%; and in addition, the metasurface reflective array plane also has the characteristics of small volume, light weight and low cost.

The invention discloses deep-layer stirring pile equipment for soil restoration and a construction method thereof. The deep-layer stirring pile equipment comprises a drill rod assembly, a farm chemical feeding assembly and a cement paste adding assembly; the drill rod assembly comprises a drill rod, a drill rod linkage motor, a drill rod lifting stand column and a drill rod bracket, the drill rod and the drill rod linkage motor are installed on the drill rod lifting stand column at the same time and driven by a hoisting mechanism on the drill rod lifting stand column to ascend and descend, and the drill rod lifting stand column is arranged on an equipment foundation support through the drill rod bracket; the drill rod is hollow, an inner cavity of the drill rod is connected with a farm chemical conveying pipe of the farm chemical feeding assembly and a cement paste conveying pipe of the cement paste adding assembly in parallel, and cement paste and restoration agentia are added into drilled soil in sequence. The deep-layer stirring pile equipment capable of conducting precise positioning is utilized to drill and cut contaminated soil on the spot; and meanwhile, the cement paste and restoration agentia are sequentially injected into the contaminated soil from the front end of the drill rod so that the cement paste and restoration agentia can be mixed and stirred with the contaminated soil repeatedly in the stirring process to form cement paste agentia to restore the soil, and finally the effect of in-situ restoration of the contaminated soil is achieved.

The invention relates to a manufacturing process for chemically plating a NiP-Cu electrode on the partial surface of a ceramic element, in particular to a process for manufacturing an electrode by a chemical deposition method for base metal copper or nickel. The process comprises the following steps of: preparing the ceramic element, cleaning, drying, roughening, printing, activating, soaking, preplating, plating copper, dehydrating, drying, performing heat treatment, welding, testing and the like. The invention has the advantages that: a base metal layer on the surface of the ceramic element has high adhesion force and high performance and is easy to weld; the partial surface is chemically plated, so that the process is simple, and adhering, abrading and scattering processes of the conventional full electrode chemical plating process are eliminated; raw materials are saved, and the cost is reduced to one fifth of the original cost; and a plating solution formula is perfected, so that mass production of the electrode which is chemically plated on the partial surface of the ceramic element can be realized. The process is suitable for manufacturing electrodes of all ceramic elements.

The invention discloses a method for producing a silverwork through a sleave process. The method comprises the following steps of: twisting a silver wire into a filament, pressing and pinching, filling the pressed and pinched silver wire into a silver frame, striking, welding, molding and the like. The sleave process of the silverwork does not only have the delicate degree of the conventional weaving process, but also is that the silver wire is pressed and pinched into a sleave to fill the silver frame, and thus the silver wire can be randomly moulded and is not easy to break, a sleave decoration object has large plasticity, the appearance is simple and fashional and the silver decoration object looks like relatively full and unique.

The invention discloses a method and device for shielding weather interference in a fiber monitoring alarm system. The method comprises the following steps: step1, performing endpoint detection of disturbing signals by adopting a method of short-time energy and short-time zero-crossing rate to detect an initial point and an end point of an effective signal; step2, performing calculation of a Pearson product-moment correlation coefficient of effective signals lambda1 and lambda1, which are monitored by two sensors separated at a certain distance, and determining the disturbing signal, the Pearson product-moment correlation coefficient of which is higher than the upper coefficient threshold CH, as a weather disturbing signal; and determining the disturbing signal, the Pearson product-moment correlation coefficient of which is lower than the lower coefficient threshold CL, as an invasion signal, and sending put an alarm. The method and device for shielding weather interference in the fiber monitoring alarm system is high in monitoring efficiency and accuracy, and is easy to apply.

The invention provides a quaternary positive electrode material precursor. The quaternary positive electrode material precursor is of a core-shell structure, the material formula of a core is Ni<1-x-y-z>Co<x>Al<y>Mn<z>CO3, the material formula of the core is Ni<1-r-s-t>Co<r>Al<s>Mn<t>(OH)2, wherein (1-x-y-z) is a numeral value between 0.80 and 0.96, x is larger than 0, y is a numeral value between0.01 and 0.10, z is a numeral value between 0.01 and 0.10, (1-r-s-t) is a numeral value between 0.34 and 0.70, r is larger than 0, s is a numeral value between 0.20 and 0.40, and t a numeral value between 0.20 and 0.40. The quaternary positive electrode material is stable in structure, high in safety, long in cycle lifetime and good in thermal stability.

The invention discloses a track movable stretchable chute. The chute comprises a track, a movable support and a stretchable chute. The track is installed along a to-be-poured pipe groove, the movablesupport is installed on the track through a walking wheel, the stretchable chute comprises a plurality of U-shaped grooves which are sleeved and stacked, wherein the sizes of the U-shaped grooves aresequentially decreased, the U-shaped grooves are sequentially sleeved and stacked through cooperation of a sliding groove and a sliding column, wherein the front end of the first U-shaped groove is hinged to the movable support, the rear end of the first U-shaped groove is supported to the movable support through a lifting device, the middle U-shaped grooves and the tail U-shaped grooves are sequentially formed inside the first U-shaped groove, the tail U-shaped grooves are aligned to the to-be-poured pipe groove when stretching out, and the inclined angle of the stretchable chute can be adjusted through a lifting device. The adopted materials are simple and are all commonly-used materials on a construction site, the construction device operation method is simple and easy to control, deepfoundation pit pipeline concrete pouring can be easily, conveniently, rapidly and accurately performed, and the working efficiency is improved.

The invention provides a cathode material precursor which is of a core-shell structure. The material chemical formula of the core is Ni<1-x-y-z>Co<x>Al<y>Mn<z>(OH)2, and the material chemical formulaof the shell is Ni<1-r-s>Co<r>Mn<s>CO3, wherein 1-x-y-z is a value in the range of 0.80 to 0.96, x is greater than 0, y is a value in the range of 0.01 to 0.10, z is a value in the range of 0.01 to 0.10, 1-r-s is a value in the range of 0.34 to 0.70, r is greater than 0, and s is a value in the range of 0.20 to 0.40. The cathode material of the invention has a stable structure, high safety performance, long cycle life and good thermal stability.

This invention relates to a type of steel used for saw blade for stone slotting. Account for weight the chemical composition is: C 0.45-0.60,Si 0.10- 0.60,Mn 1.30-1.80,P<=0.02,S<=0.01,V 0.05-0.20,Cr 0.15-0.30, N 0.005-0.020,Ca 0-0.0050,Al 0.005-0.040, and the rest is Fe and inevitable impurity. The process includes steps as follows: smelting, casting,; continuous casting billet use heat sending and heat packing , ensure the temperature keep above 300DEG C before it be send into plate body for heating; keep temperature for plate body heating above 1150DEG C,temperature for hot rolling above 900DEG C; cooling after rolling, then coiling, keep the coiling temperature above 700DEG C. This invention has higher hardenability then midst-carbon and low-alloy steel, especially refer to make large saw blade which diameter is above 1000mm.

The invention discloses an environment-friendly vulcanizing material modifier for drainage asphalt roads. The modifier comprises the following components in part by weight: 10 to 20 parts of rubber powder, 30 to 500 parts of polyester matters, 0.1 to 1 part of tackifier and 50 to 80 parts of rock asphalt. The invention further discloses a preparation method of the environment-friendly vulcanizing material modifier for the drainage asphalt roads. The modifier provided by the invention has the advantages of low preparation cost, easiness and convenience in execution and operation, high specificity (for the repairing engineering of small-scale or range asphalt roads), economy, and easiness and convenience in execution of repairing materials and technology for the drainage asphalt roads.

The concentrated heat clearing and detoxifying oral liquid is prepared with gypsum, honeysuckle, figwort, rehmannia root, forsythia and other seven kinds of Chinese medicinal materials, and through decocting, filtering, concentrating filtrate to obtain extractum, dissolving in alcohol, filtering and concentrating, adding active carbon, heating and filtering to obtain filtrate, adding water while stirring, ultrafiltering to obtain filtrate, adding corrective and adding water to required concentration, and sterilizing. The concentrated heat clearing and detoxifying oral liquid has relatively high concentration and effective component content, convenient taking and carrying, and other advantages.

The invention discloses a negative-pressure three-dimensional flow-guiding disturbance impact solidification dredger filling method. The negative-pressure three-dimensional flow-guiding disturbance impact solidification dredger filling method mainly comprises the steps that a dredger fill area is cleaned and flattened; a ditch is horizontally formed in the dredger area or a horizontal water seepage pipe is arranged by inclining by 0.5-5 degrees, and backfilling is conducted through medium and rough sand-gravel aggregate; a dam and a drainage canal are constructed on the periphery of the dredger fill area, and a water diversion pipe and an automatic-flowing drainage pipe are pre-buried; a dredger fill pipeline is led into the dredger fill area in the dam; slurry is guided into the surface layer of the dredger fill area and underground water is guided into the drainage canal after silt deposits; a water suction pump is connected to the outer port of the drainage pipe, and then forced drainage is conducted. Meanwhile, the invention creatively provides a suspension controllable dredger fill area drainage device, a movable multifunctional integrated well tube draining and vibrating-flushing device and technologies matched with the suspension controllable dredger fill area drainage device and the movable multifunctional integrated well tube draining and vibrating-flushing device. Compared with the prior art, the reinforcing period can be shorted by about 50% and the comprehensive unit cost can be reduced by about 45% under the same condition, and the bearing capacity of a fill stratum within the overall depth range can reach 60-80 kPa after treatment.

An abrasive cubic boron nitride disc for grinding slot is composed of a basic body with flat periphery and a surficial grinding cubic boron nitride layer. Its preparing process includes such steps as mixing raw materials, shaping, drying, sintering, testing, trimming, adhering said surficial layer, and hardening. Its advantages are high grinding precision, low cost and long service life.

The invention discloses a gastrodia elata planting method. The method comprises the steps that 3.5-3.5 kg of rice and corn straw mixed and smashed materials are added in per 100 m<2> of soil, so that soil organic matter is improved, and the soil constitutive property can be improved. The surface of soil is coated with a mulching film for 10-15 days to enable the soil to be in the anaerobic condition, some pathogenic bacteria are removed, 0.15 kg of 90-93% dipterex crystals or 50% phoxim is attenuated with water within per 100 m<2> of soil to be mixed with 10-15 kg of fine soil to prepare a pesticide-clay mixture to be sprayed, grubs, mole crickets and other pests in a greenhouse can be killed, the temperature of the greenhouse is adjusted to be 8 DEG C and then adjusted to be 10-25 DEG C, gastrodia elata starts to sprout and grow at 8 DEG C and stops growing after 30 DEG C, the same steps are executed on the second layer and the third layer, the gastrodia elata yield can be improved, and the uppermost layer of a bed is coated with 6-10 cm of humus or river sand and then covered with a layer of tree leaves to promote growth of gastrodia elata. By creatively improving a traditional gastrodia elata culture method, the gastrodia elata yield is improved, and benefits are increased.

The invention discloses a method for producing alcohol through liquor fermentation. The method comprises the steps of performing solid-liquid separation on liquefied starchy raw materials to obtain liquor and solid residues, and adding glucoamylase and yeast to the liquor for alcohol fermentation; adding water to the solid residues for saccharification processing, performing solid-liquid separation again to obtain sugary washing water and waste residues, wherein the sugary washing water can be used for preparation or cultivation and fermentation of the yeast, and the waste residues can be produced into fertilizers and feeds or used for biogas fermentation. According to the method, the alcohol content of prepared fermented mature mash exceeds 15.2% (v / v), the residual total sugar can be lower than 1.03%, the content of residues and starch is lower than 2.91%, and the utilization rate of starch can reach above 96.5%; the liquor obtained through mash liquidation is not easy to contaminate and does not produce high glucose suppression in a fermentation process, fermentation by-products are reduced, equipment wear can be reduced obviously, and the utilization rate and the distillation efficiency of fermentation equipment can be improved.

The invention provides a Chinese cabbage isolated microspore inducing medium. According to the formula, the medium contains KNO3, MgSO4-7H2O, KH2PO4, Ca(NO3)2-4H2O, Na2-EDTA, FeSO4-7H2O, MnSO4-4H2O, AgNO3, H3BO3, ZnSO4-7H2O, KI, Na2MoO4-2H2O, CuSO4-5H2O, CoCl2-6H2O, L-glutamine, vitaminB1, vitaminB6, nicotinic acid, folic acid, biotin, inositol, glycine, proline, serine, L-glutathione, methylnitrosourea, sucrose, phytagel, 6-BA, complex peptide nucleic acid, protein hydrolysate, colchicines, activated carbon and plant vulcanized kinetin PSK-alpha. The medium can greatly improve the inducing efficiency of Chinese cabbage isolated microspore embryonic calluses and has important application value.

The invention belongs to technical field of drilling well, and concretely relates to a sealing rubber core used for rotating a control head and a preparation method thereof. The sealing rubber core comprises the following raw materials by weight: 60-90 parts of smoked rubber sheet3#, 10-30 parts of hydrogenated butadiene-acrylonitrile rubber, 5-10 parts of zinc oxide, 1-3 parts of stearic acid, 2-4 parts of antioxidant 4020, 10-30 parts of carbon black N330, 20-30 parts of carbon black N550, 3-10 parts of softener DOS, 1-2 parts of promoter CZ, 1-3 parts of promoter DM, 1-2 parts of promoter TMTD, 0.4-1 part of vulcanizing agent S, and 0.5-1.5 parts of vulcanizing agent DTDM. The sealing rubber core has the advantages of high performance, long service life, high pressure-resistant value, strong corrosion resistant capability, high abrasion resistance and strong anti-tear performance.

The invention discloses a metasurface orbital angular momentum array antenna with good reflectivity. The array antenna is an array phase plate formed by arranging more than two phase-shifting units, each phase-shifting unit comprises a dielectric layer, the surface of the dielectric layer is provided with square annular metal patches; the bottom portion of the dielectric layer is provided with metal grounding layers, the array phase plate is divided into a first quadrant, a second quadrant, a third quadrant, a fourth quadrant, a fifth quadrant, a sixth quadrant, a seventh quadrant and an eighth quadrant in the clockwise direction, the superficial area of the metal patch in each quadrant is the same, and the superficial areas of the metal patches on the phase-shifting units in the first quadrant, the second quadrant, the third quadrant, the fourth quadrant, the fifth quadrant, the sixth quadrant, the seventh quadrant and the eighth quadrant are decreased in order. The metasurface orbital angular momentum array antenna has a very excellent incident wave reflection vortex effect, the reflection efficiency can reach more than 70 percent, and the metasurface orbital angular momentum array antenna has good energy transmission efficiency; in addition, the metasurface orbital angular momentum array antenna has the advantages of the simple structure, high utilization rate of unit areasof the phase-shifting units, the simple manufacturing process and the low cost.

The invention provides a method of preparing graphene oxide / ferroferric oxide composite material under normal pressure. The method includes following steps: mixing graphene oxide polyol dispersion liquid, ferric iron source, alkaline regulator, surfactant and promoter to obtain a mixed solution; at normal pressure, allowing thermal reaction of the mixed solution obtained in the above step to obtain the graphene oxide / ferroferric oxide composite material. By adding active substance and improving production process, preparing of the graphene oxide / ferroferric oxide composite material through thermal reaction at low pressure and low temperature is realized, uniform distribution of ferroferric oxide is realized, and aggregation of graphene oxide is avoided effectively; no high-harm reductant is used, so that environment pollution is avoided. The method is simple in process, easy in operation and capable of realizing large-scale preparing.

The present invention provides a positive electrode material precursor which is a core-shell structure. The material chemical formula of the core is Ni1-x-yCoxAly(OH)2. The material chemical formula of the shell is Ni1-r-s-tCorAlsMntCO3, wherein 1-x-y is a value in a range of 0.80 to 0.96, x is greater than 0, y is a value in a range of 0.01 to 0.10, 1-r-s-t is a value in a range of 0.34 to 0.70,r is greater than 0, s is a value in a range of 0.20 to 0.40, and t is a value in a range of 0.20 to 0.40. The positive electrode material of the invention is stable in structure, high in safety performance, long in cycle life and good in thermal stability.

The invention discloses a gastrodia elata planting method. 3.5-4.5kg of ground straw mixtures of rice and corn are added into every 100 square meters, so that soil organic matters can be improved, the soil construction property can be improved, and a mulching film is attached to the soil surface for 10-15 days, so that the soil is positioned in an anaerobic condition, certain pathogenic bacteria are removed, a small amount of water is added into 90-93% dipterex crystal or 0.15kg of 50% phoxim to dilute so as to be used in every 100 square meters, the diluent is mixed with fine soil to be prepared into 10-15kg of pesticide-clay mixtures to spread, and injurious insects such as grubs and mole crickets in the greenhouse can be killed. The temperature of the greenhouse is regulated to 8 DEG C, then the temperature is regulated to 10-25 DEG C, the gastrodia elata starts to grow at the temperature of 8 DEG C and stops growing at the temperature of 30 DEG C, and after the gastrodia elata is 3cm higher than fungus-growing materials, the second layer and the third layer are operated by the same method, so that the yield of the gastrodia elata can be improved. Moreover, humus or river sand of 6-10cm thick covers the uppermost layer of the bed, and a layer of tree leaves is covered, so that growth of the gastrodia elata is promoted. According to the growth method disclosed by the invention, the traditional gastrodia elata cultivation method is innovatively improved, the yield of the gastrodia elata is improved, and the benefits are improved.

The invention provides a free microspore induced culture medium for brassica campestris. A formula of the culture medium contains KNO3, MgSO4.7H2O, KH2PO4, Ca(NO3)2.4H2O, Na2-EDTA, FeSO4.7H2O, MnSO4.4H2O, AgNO3, H3BO3, ZnSO4.7H2O, KI, Na2MoO4.2H2O, CuSO4 .5H2O, CoCl2.6H2O, chlorinated 2-hydroxyethyl trimethylamine, L-glutamine, vitamin B1, vitamin B6, nicotinic acid, folic acid, biotin, inositol, glycine, L-glutathione, methyl nitrosourea, sucrose, phytagel, 6-BA, NAA, polyethylene glycol, protein hydrolysate, active carbon and phytosulfokine PSK-alpha. The culture medium can be used for greatly improving the induction efficiency of free microspore embryogenic calli of brassica campestris, and has an important application value.

The invention relates to the technical field of ecological food production technology and low carbon agriculture, and discloses a method for producing ecological formula rice in fields. The method comprises the following steps of: soaking seeds and raising rice seedlings (mixed sowing), rice field fertilization and seedling transplanting (companion planting), fencing to breed ducks and integrated rice-duck farming, and harvesting, wherein the key technologies of selecting and proportioning two soaking seeds of the rice, the companion planting of the rice, and integrated rice-duck farming management and water management and the like are optimized; a method for directly producing the ecological formula rice in the fields is obtained; the conventional means and relevant production restriction of producing the formula rice in workshops are changed; the later factory settings and work load of producing the formula rice are effectively reduced; the investment and energy use are reduced; the milled rice ratio, the amylose content and the gel consistency of the produced ecological formula rice are improved relative to the rice produced by the conventional monoculture method; and the ecological formula rice is free of pesticide, healthy and safe, and has obvious economical effect and social effect.

The present invention provides an anode material precursor. The anode material precursor comprises a core-shell structure, the material chemical formula of the core is Ni1-x-y-zCoxAlyMnzCO3, the material chemical formula of the shell is Ni1-r-sCorAls(OH)2, (1-x-y-z) is a value in the range of 0.80- 0.96, x is greater than 0, y is a value in the range of 0.01-0.10, z is a value in the range of 0.01-0.10, (1-r-s) is a value in the range of 0.34- 0.70, r is larger than 0, and s is a value in a range of 0.20-0.40. The anode material is stable in structure, high in safety, long in cycle life and good in thermal stability.