44results about How to "Oxygen rich" patented technology

A ventilator circuit is provided for use with a ventilator and a low pressure low flow oxygen source to provide a hyper-oxygenated mixture of air and oxygen at the onset of inspiration. The ventilator circuit achieves this result by using its inspiratory limb to store oxygen between breaths. As a result, the oxygen content of dead space gas is increased before delivery to the distal alveoli of the patient. Accordingly, the ventilator circuit achieves an efficient use of available oxygen and requires less oxygen to a desired oxyhemoglobin percentage at the patient.

Disclosed is a novel synthetic fuel as alternative to diesel, wherein said synthetic fuel comprises branched esters and wherein the fuel having improved fuel properties such as zero aromatic, zero olefin, zero sulphur, low pour, high cetane diesel fuel with improved lubricity and oxidative stability. Further, the present invention provides a method of preparation of said esters.

The invention provides a metallic oxide / carbon fiber composite material and a preparation method and applications thereof, belonging to the technical field of composite material preparation. The metallic oxide / carbon fiber composite material is a composite material with composite metallic oxide uniformly loaded on the surface of the wall of a carbon fiber pipe, and in the composite material, the mass percentage content of the carbon fiber is 50-75 percent, and the specific surface area of carbon matrix composite material is 230-300m<2>g<-1>. The composite material is characterized by structural designability and adjustable and variable composition of a laminate according to layered bimetal hydroxide, and the ions of Ni<2+>, Cu<2+>, Mg<2+>, Al<3+> and Fe<3+> are introduced in the laminate to synthesize the metallic oxide / carbon fiber composite material with high hybridization of carbon fiber and metallic oxide. Carrier noble metal palladium or platinum on the composite material is madeinto electric catalyst used for a fuel cell, and the specific activity of the noble metal palladium or platinum directly in an alcohol fuel cell can reach 160-398mA.mg<-1>. The preparation method is simple, brings no environment pollution and is suitable for industrial process.

The invention relates to a preparation method of a hydroxyl-ferric oxide / graphene oxide composite material and application of the hydroxyl-ferric oxide / graphene oxide composite material. The hydroxyl-ferric oxide / graphene oxide composite material is formed by mixing a turbid liquid of graphene oxide and a turbid liquid of hydroxyl-ferric oxide according to the volume ratio of 1: (1-2), dispersing, and compounding by a hydrothermal method. The prepared hydroxyl-ferric oxide / graphene oxide composite material is used for treating phenol-containing wastewater; 0.5 to 5 g of the hydroxyl-ferric oxide / graphene oxide composite adsorption material is fed into 1,000 ml of the wastewater with the chlorophenol concentration of 10 to 60 mg / l, and then fully oscillated on a constant-temperature shaking table, the water temperature is controlled to be at 25 DEG C, and after reaction is conducted for 3 h, the wastewater is filtered. Detection shows that the chlorophenol removal rate is 87 to 93.2 percent, the chlorophenol concentration of discharged water is 1.3 to 5.2 mg / l, and the adsorption amount is 11 to 17.4 mg / l.

The invention belongs to the field of agriculture, and specifically provides a soil disinfectant, which consists of a solution A and a solution B, and is characterized in that: the solution A contains a hydrogen peroxide decomposition catalyst; and the solution B contains hydrogen peroxide. The invention further provides a soil disinfecting method. The method comprises the following steps of: (1) adding the solution A into soil to be disinfected; and (2) adding the solution B into the soil to be disinfected after the solution A permeates into the soil. As proved by an experiment result, the solution A reacts with the solution B rapidly after contacting for decomposing oxygen and heating, the generated heat is used for heating soil to 70-150 DEG C and sterilizing bacteria and eggs in the soil, degradation of pesticides can be facilitated, and lands containing plenty of trace elements are provided; and the soil disinfectant is safe, reliable and environment-friendly.

The invention discloses a method for water treatment by utilizing graphene oxide-catalyzed ozone. The method comprises the steps of adding graphene oxide into an ozone reactor containing to-be-treated water, utilizing ozone to aerate the to-be-treated water where the graphene oxide is added, and maintaining a stirring and ozone aeration state in the water treatment process. The to-be-treated water can be water containing pollutants such as oxalic acid and deet. The pollutants are degraded by utilizing hydroxyl free radicals which have high oxidization capability and are generated by the ozone and the graphene oxide in the reaction process. Compared with activated carbon and carbon nano tubes, the method for water treatment by utilizing graphene oxide-catalyzed ozone has the advantages of being high in catalysis capability and quick in oxidization speed. Besides, the specific surface area of the graphene oxide is large, the raw materials are easy to obtain, and the ozone contains rich oxygen-containing groups and is good in dispersion effect in water and chemical modificability.

The invention relates to the technical field of activated carbon, in particular to a method for preparing aquatic animal activated carbon by a hydrothermal method, which comprises the following stepsof: 1) pretreating aquatic animal wastes, and crushing to obtain pasty biomass, and 2) uniformly mixing the pasty biomass with a pore-forming activator, standing, carrying out hydrothermal carbonization treatment, taking out the obtained activated carbon after the reaction is finished, cleaning, and drying to obtain the activated carbon. The activated carbon product is prepared by taking aquatic animal wastes as raw materials; according to the method, the activated carbon with good performance is prepared, resource utilization of waste biomass is achieved, compared with plant biomass, the specific tissue component characteristics of the aquatic animal are utilized, the pore-forming active agent is selectively added, a reaction product can be optimized, and generation of high-quality activated carbon with high porosity and a good adsorption effect is facilitated; and the prepared activated carbon product has rich oxygen-containing and nitrogen-containing functional groups, such as carbonyl, carboxyl and the like, thereby being beneficial to enhancing the pollutant adsorption effect.

The invention discloses a method for degrading organic pollutants by activating persulfate with a multi-stage mesoporous biochar material. The method adopts the multi-stage mesoporous biochar materialand persulfate to treat organic pollutants, wherein the multi-stage mesoporous biochar material is prepared by taking bagasse as a raw material, mixing the bagasse with calcium chloride and potassiumhydroxide and then calcining. According to the method for degrading the organic pollutants by activating the persulfate through the multistage mesoporous biochar material, the organic pollutants canbe effectively removed, and the method has the advantages of being easy to operate, short in period, low in cost, high in degradation efficiency, good in removal effect, high in anti-interference capacity, wide in application range, easy to recycle and reuse and the like. The method has a good application prospect in actual treatment of organic pollutant wastewater and natural water and soil polluted by organic pollutants.

A ventilator circuit is provided for use with a ventilator and a low pressure low flow oxygen source to provide a hyper-oxygenated mixture of air and oxygen at the onset of inspiration. The ventilator circuit achieves this result by using its inspiratory limb to store oxygen between breaths. As a result, the oxygen content of dead space gas is increased before delivery to the distal alveoli of the patient. Accordingly, the ventilator circuit achieves an efficient use of available oxygen and requires less oxygen to a desired oxyhemoglobin percentage at the patient.

The invention relates to a contrast agent having two functions of up-conversion luminescence and magnetic resonance imaging, and a method for preparing the same. The contrast agent is obtained by modifying a gadolinium chelating agent on the surfaces of carbon nanospheres through taking up-conversion luminescent material carbon nanospheres as cores and using a coupling agent, wherein the mol ratio of the carbon nanospheres to the coupling agent to the gadolinium chelating agent is 1: 1: 1 to10: 1: 1. The dual-function contrast agent is small in grain size, high in crystallinity, even in dispersion, stable in performance, and strong in both fluorescence and magnetic resonance signal. The product obtained is capable of meeting the requirements of clinical application.

The invention discloses an inter-planting method of haw and straw mushroom, and belongs to the field of fruit tree plantation. The method comprises the following steps: (1) picking and preparing a land: picking a field for plantation, applying a basic fertilizer on the field in combination with deep plough, digging plantation holes in the field, and forming ridges in the space between plantation holes; (2) plantation: planting haw seedlings in the plantation holes in March, planting straw mushrooms in the ridges in May, and performing watering; (3) field management: applying a fertilizer on haws three to four times each year, wherein the fertilizer comprises cow dung, pig manure, chicken manure, duck manure, pond sludge, egg shell, rice washing swill, plant ash, bone meal, straw, rotten vegetable leaves, banana peels, bean dregs, and peanut bran; applying a fertilizer on straw mushrooms 5 to 8 days after sowing, wherein the fertilizer comprises pig manure, chicken manure, cotton seed hull, bagasse, plant ash, grape residues, and straw; and maintaining the humidity of the growth environment of straw mushroom in a range of 65 to 85%; (4) controlling diseases and insects; and (5) harvesting haws and straw mushrooms. The provided method reasonably utilizes the soil and the resources are fully utilized.

The invention discloses a traditional Chinese medicine hand sanitizer for babies and children. The traditional Chinese medicine hand sanitizer is prepared from the following traditional Chinese medicines and relevant raw materials in parts by weight: 20-30 parts of fibroin, 15-30 parts of pomegranate rinds, 10-20 parts of peach leaves, 10-20 parts of passion fruit oil, 15-25 parts of radix scutellariae, 15-25 parts of herba portulacae, 5-12 parts of pearl powder, 8-15 parts of glycerine, 5-10 parts of vitamin B5, 5-12 parts of sodium lauroyl sarcosinate, 5-10 parts of cocamidopropyl betaine, 3-10 parts of hydrolyzed wheat protein and the balance of Alps water. The traditional Chinese medicine hand sanitizer disclosed by the invention is in scientific compatibility according to the characteristics of skin and muscles of hands of the babies and the children, so that external contamination is effectively resisted, the bacterium resisting effects are high, the balance of the pH value of the skin is maintained, and the immunity of the skin and the muscle is enhanced. The antiultraviolet efficacy of the fibroin is ten times better than that of conventional plants or chemical hydrating agents, water is continuously and efficiently complemented for the skin and the muscles, harmful bacteria such as glucose cocci on the hands can be thoroughly cleaned with sufficient anti-bacterium foams, plant skincare factors are contained, the foams are fine and smooth, and after the hands are cleaned with the hand sanitizer, the hands are moist and not dried.

The invention discloses alcohol ether replaced clean fuel material used for vehicles, which takes methanol, methylic tertiary butyl ether, ethanol, 190 <NUMBER> -200 <NUMBER> solvent naphtha and heat bodied oil as raw material, under the normal temperature and the normal pressure, sodium perchlorate and potassium permanganate are firstly mixed and prepared by the weight ratio of 1:2, and then filled up into the methanol to be modified, and methylic tertiary butyl ether, ethanol, 190 <NUMBER> -200 <NUMBER> solvent naphtha and heat bodied oil are added in sequence, at last, mixed benzene, light aromatics, methylethyl ketone, sulfurated alkyl phenicate, ialkyl dithiozinc phosphate salt, ethylene glycol monomethyl ether, phosphate ester and Beta- naphthylamine, alkenyl succinic acid and alkylphenol polyoxyethylene are added to prepare a kind of petrous energy source replaced liquid fuel material which resists low temperature, has good mutual solubility, is corrosion proof, has good dynamic performance, low energy consumption and obvious environmental protection effect.

The invention discloses a high-energy alcohol-based liquid fuel and a preparation method thereof, and belongs to the technical field of alcohol-based liquid fuels. The high-energy alcohol-based liquidfuel comprises an alcohol-based liquid, an auxiliary fuel and a composite additive. The preparation method comprises the following steps: compounding and blending a plurality of chemical raw materials to form the composite additive, compounding and denaturing the alcohol-based liquid with the composite additive, and blending with the matched high-energy stable auxiliary fuel to prepare the high-energy alcohol-based liquid fuel with a high combustion efficiency, a high calorific value, strong power, a good intersolubility, a low energy consumption and a low pollution discharge. The preparationmethod of the high-energy alcohol-based liquid fuel has the advantages of simplicity, no large devices, safe production process, no environmental pollution and wide sources of the raw materials; andthe product has the advantages of safety in storage and transportation, fullness in combustion, high effective heat value, reduction of air pollution, effectiveness in alleviation of energy shortage,great social and economic benefit, suitableness for large-scale quantitative production, and universal promotion values.

The present invention is one kind of oxygenic shower nozzle, and belongs to the field of sanitary installation technology. The oxygenic shower nozzle includes one nozzle body with water inlet and water outlet, one nozzle cap with spraying holes to the water outlet, one flow distributing mechanism inside the nozzle body, and one water pipe, which has gradually increased inner diameter and air mixing holes in the wall and is set between the flow distributing mechanism and the nozzle cap. The nozzle body or the nozzle cap has air inlet holes communicated to the air mixing holes in the water pipe. The oxygenic shower nozzle can spray water flow with high speed, great impact and good massage effect, and spray much oxygen simultaneously to promote blood circulation and clean skin effectively.

The invention discloses a method for interplanting camellia and lysimachia christinae hance, and relates to the field of crop planting. The method for interplanting the camellia and the lysimachia christinae hance includes the following steps of (1) selecting and preparing of land, wherein ditching and ridging are conducted, and a base fertilizer is applied; (2) planting, wherein camellia seedlings are transplanted before the beginning of spring, the camellia seedlings grow in an umbrella shape in the growth process, the lysimachia christinae hance is interplanted in April, and soil of ridges of a camellia garden is kept wet; (3) topdressing, wherein topdressing is conducted on the camellia once a year, the applied fertilizer is a special camellia fertilizer, people-livestock liquid dung clear liquid is applied when the lysimachia christinae hance begins to grow leaves, topdressing is conducted once when stems of the lysimachia christinae hance grow to be 13 cm to 15 cm and once after harvesting, and then same operation is repeated every year; (4) weeding; (5) pruning, wherein long branches of the camellia are twisted and rotated by several turns in the pruning process, and meanwhile a special camellia fertilizer is applied to the camellia; (6) disease controlling; (7) harvesting. By means of the method for interplanting the camellia and the lysimachia christinae hance, economic benefits can be increased.

The invention discloses a ceramic product, a preparation method thereof, a prepared inner container of a drinking fountain and the drinking fountain. The ceramic product is prepared from the following raw materials in parts by weight: 10-25 parts of feldspar, 10-20 parts of purple sand, 10-15 parts of attapulgite, 15-30 parts of quartz, 10-25 parts of clay, 10-20 parts of stone needle, 15-30 parts of Maifan stone and 10-30 parts of Nishan stone. The ceramic product disclosed by the invention has the beneficial effects that the purple sand, the Maifan stone and broken powder from a variety of ore plants are taken as raw materials, and the purple sand, the Maifan stone, the stone needle and the Nishan stone contain trace elements which are beneficial to human bodies, so that the ceramic product can adsorb peculiar small in running water and poor-quality water, activate the running water and the poor-quality water into active mineralized water, increase the oxygen content in water, generate weak alkaline water with the pH value of 7.3-8.0, regulate the acid-base balance of the human body, realize an anti-oxidation effect, remove excess free radical rubbish in the human body, enable people to absorb more minerals by long-term drinking and adjust metabolism.

The invention relates to a spray irrigation system using solar energy, in particular to an automatic spray irrigation system for a solar photovoltaic vegetable planting greenhouse. The automatic sprayirrigation system for the solar photovoltaic vegetable planting greenhouse comprises an automatic spray irrigation controller, a solar photovoltaic power generation device, a filtering tank, an underwater well, a high-position water tank and a greenhouse body, wherein the filtering tank is connected with the high-position water tank through a pipe and a water pump; a sprayer is arranged above a planting bed in the greenhouse body, and is connected with the high-position water tank through a water tube and a water spraying pump; water in the filtering tank is provided by a septic tank and theunderwater well; the filtering tank is connected with the underwater well through a pipe and a make-up pump; and the automatic spray irrigation controller controls electric power transmission of the solar photovoltaic power generation device and water replenishment, water pumping and spraying of the whole system. The automatic spray irrigation system for the solar photovoltaic vegetable planting greenhouse is low in energy consumption, simple in structure, convenient to mount, high in degree of intelligence, simple to operate and low in cost; and by the solar energy, water spraying, fertilizerapplication and pesticide spraying for plants in the greenhouse can be realized automatically.

The invention provides a nano-bubble green and environment-friendly water body dialysis technology, and relates to the technical field of water body dialysis. According to the invention, the method comprises the following steps: 1) performing preliminary dialysis on a water body by using a biological membrane, preparing a blended solution from PVDF, a hydrophilic polymer and a solvent, and immersing and precipitating a liquid membrane of the solution in a non-solvent to obtain a hydrophilic modified membrane, thereby removing a large amount of components such as a detergent and petroleum for inhibiting the growth of algae, trace heavy metal elements and the like in sewage; nano bubbles are generated through a nano foaming machine; and the small bubbles from the nanometer level to the micron level have physicochemical properties such as a crushing phenomenon, an ionization phenomenon, an ultrasonic property, an electrification property, diffusivity, oxidability, stability, bactericidalactivity, retentivity, physiological activity, self-pressurization property and the like which are not possessed by conventional bubbles, have extremely strong water body treatment capacity, and cannot generate new water body pollution at the same time.

The invention relates to the technical field of fruit planting, and in particular, relates to a plum planting device and a use method thereof, wherein the plum planting device includes a frame, a clamping part and soil covering claws. The frame comprises a base and a sleeve which are fixedly connected; the bottom of the base is provided with idler wheels; the sleeve is internally rotatingly connected with a rotating shaft, the rotating shaft is connected with a power mechanism, and the sleeve is provided with a sliding chute. The clamping part comprises a connecting rod and a clamping claw, one end of the clamping claw passes through the sliding chute and is connected with the clamping claw, and the other end of the connecting rod is rotatingly connected with the rotating shaft; two soil covering claws are articulated on the base, a coiling drum is arranged between the soil covering claws, the coiling drum is rotatingly connected on the base, a drawing line is arranged on the coiling drum, and two ends of the drawing line are respectively provided with the soil covering claws; a torsion spring is also arranged on the coiling drum, the rotating shaft is linked with the coiling drum,and a wedge-shaped block which can separate the rotating shaft from the coiling drum is arranged on the soil covering claws. With adopting of the device, the oxygen content of soil in contact with plum tree roots can be increased and the respiration of the roots is ensured.

The invention is a methanol clean-fuel for vehicles, which uses methanol, light hydrocarbon, higher alcohol, petrol or petrol group oil and so on to be raw materials and is formed by adding methanol modifier, combustion improver, detergent dispersant, anti-corrosion inhibitor, antioxidant and antiwear agent and is a saving energy, can entirely replace petrol, green and clean antiwear agent so as to entirely replace petrol. Under the premise of that the engine of a vehicle is not changed, the fuel of the invention can be mixed with motor petrol or motor ethanol petrol in different percentages for use, and also can be used in engines alone. The fuel has the advantages of good start, anti-corrosion, anti swelling, low oil consumption, distinguished environmental effect, considerable economical efficiency, simple processing technology, easy to use and so on so as to be the best motor alternative liquid fuel.

The invention discloses a lamelleted graphite carbon nitride / montmorillonoid composite material as well as a preparation method and application thereof. The preparation method comprises the followingsteps: by taking bulk phase g-C3N4 prepared by using a thermal polymerization method, and lamelleted g-C3N4 nanosheets prepared through thermal oxidation peeling and solvent peeling as raw materials,performing acid treatment on Na-montmorillonite, finally mixing the lamelleted g-C3N4 nanosheets with the acid modified Na-montmorillonite solution, and performing suction filtration and drying, so asto obtain the lamelleted g-C3N4 / montmorillonoid composite material. The preparation method is simple in operation, the raw materials are low in price, the composite material is environment-friendly,and in addition, the prepared lamelleted g-C3N4 / montmorillonoid composite material not only has a very good removal effect on heavy metal ions in wastewater, but also is capable of effectively adsorbing organic pollutants in the wastewater, meanwhile, is capable of effectively adsorbing organic pollutants in the wastewater, and has great potential application values in the field of deep wastewatertreatment.

The invention provides an ultrasonic water treatment device, which comprises a water inlet and a water outlet. An ultrasonic stress screw, a nut, a rear cover, a piezoelectric ceramic piece, a transformer, and a nozzle are arranged successively from the water inlet to the water outlet. The stress screw is connected an ultrasonic wave generating device and fixed with the rear cover by the nut; the ultrasonic transformer has a stepped shape; and the piezoelectric ceramic piece is positioned between the rear cover and the transformer. The ultrasonic water treatment device of the invention can realize thorough disinfection on the tap water, and prepares the preparation activated water with lubricating and soft mouth feel, high oxygen content, small molecular group, zero bacteria and zero smell of bleaching powder.

The invention provides indoor fine decoration wall plastering gypsum and a construction method thereof. The plastering gypsum comprises the following components in parts by weight: 40-60 parts of desulfurized gypsum, 30-40 parts of lightweight aggregate, 3-6 parts of a calcifying agent, 2.5-4.5 parts of dispersible latex powder, 0.1-0.4 part of a regulator, 0.05-0.3 part of a water retaining agent. The calcium increasing agent is calcium oxide and calcium hydroxide, the regulator is yeast cell walls which are subjected to superfine grinding, and the water-retaining agent is cellulose ether. The construction method of the plastering gypsum comprises the steps of base treatment, net hanging, screeding and scraping. The gypsum plaster mortar is firmly combined with a substrate, the yeast cellwalls subjected to superfine grinding are used as a regulator, so that the gypsum plaster mortar has a good retarding effect, small strength loss and good water retention capacity, a certain water retention effect is achieved in the gypsum hydration process, the use amount of a water retention agent can be reduced, and the strength loss is further reduced.

The invention relates to alcohol ether gasoline for a new energy vehicle. In particular, the alcohol ether gasoline for the new energy vehicle comprises 40-70wt% of gasoline and 30-60wt% of an alcohol ether mixture. The alcohol ether mixture comprises 45-60wt% of methanol, 5-20wt% of normal octane, 10-30wt% of glycol di-tert-butyl ether, 0-5wt% of butadiene, 0-5% of chloroethylene, 0-5wt% of oleic acid, 0-5wt% of 3-chloropropanol, 0-2wt% of ethyl chloroacetate and 0-2wt% of isobutanol. The gasoline is selected from any one of 90# gasoline, 93# gasoline and 97# gasoline. The adding proportion of the alcohol ether components in the alcohol ether gasoline for the new energy vehicle provided by the invention is greatly increased, the consumption of the gasoline is obviously reduced, the pollution to air is reduced greatly, the internal structure of an engine of an existing vehicle needs not to be changed, and the alcohol ether gasoline can be mixed with gasoline of various labels to use.

The invention relates to a preparation method and application of an MOF / corn straw composite material and a device. According to the method, the corn straw with honeycomb-shaped ordered macropores is selected as a carrier, MOF uniformly grows on the surfaces of straw cells, the MOF / corn straw composite material maintaining the straw biological structure is obtained, and introduction of the corn straw carrier is beneficial to mass transfer and exposure of active sites. Due to the good mechanical performance of the corn straw, the composite material can be further assembled into a device to be used in the application fields of adsorption, separation, catalysis and the like. The method is low in preparation cost, simple in process, wide in universality, green and sustainable, and has a good large-scale application prospect.

The invention discloses a water treatment method for catalyzing ozone by using graphene oxide. The method comprises the following steps that a, graphene oxide solution is prepared, the graphene oxidesolution is fully filtered, impurities are removed, the purity degree is kept, moisture is added, and the concentration of the graphene oxide solution is 40-500 milligrams per litre; b, then the prepared graphene oxide solution is poured into a pool needing to be purified, the poured proportion is, by volume, 1:350; c, after mixing and stirring are completed, the pool is sealed, a breather pipe isarranged, the breather pipe is inserted into the pool, the ozone is injected into the pool by using the breather pipe, the air inlet concentration of the ozone is 20-45 milligrams per litre; d, catalyzed solution is prepared, and the catalyzed solution is slowly injected into the pool according to a proportion of 1:165. The water treatment method for catalyzing the ozone by using the graphene oxide has the advantages that the catalytic reaction is facilitated, the catalytic effect is improved, the process cost of the whole method is lower, the use is environmentally friendly, and it is of great significance in the filed of water resource purification.

The invention discloses an indoor fry hatching pool. The indoor fry hatching pool comprises a pool body, a water inlet pipe and an air inlet pipe, wherein a water inlet end of the water inlet pipe is connected with a water source; the air inlet pipe is arranged on the upper part of a side wall of the pool body; an air inlet end of the air inlet pipe is connected with an aeration pump; the air inlet pipe is provided with a plurality of air outlets; each air outlet is connected with an air outlet pipe; each air outlet pipe is connected with an aeration head; the aeration head is positioned below the water level of the pool body; a heating cavity is arranged below the pool body; a heater is arranged in the heating cavity. The indoor fry hatching pool has good water fluidity and high oxygen content, the water temperature can be adjusted to the temperature which is suitable for fry hatching and growth, the hatching speed of fries is high and the survival rate is high, the hatching pool is easy to construct, and the economic benefit is effectively improved.

A hawthorn and edible fungus interplanting method belongs to the field of fruit tree and comprises the following steps of (1) selecting and preparing a land, (2) cultivating, (3) managing the field, (4) preventing insect diseases and (5) harvesting, wherein in the (1) step, a hawthorn plantation field is selected; base fertilizer is applied to hawthorn field with a combination of deep ploughing; then hawthorn plantation holes are dug and ridges are made on open space between the hawthorn plantation holes; in the (2) step, hawthorn seedlings are transplanted into the plantation holes in March, then in September, edible fungus is planted on the ridges; in the (3) step, fertilizer is applied three to four times each year after the hawthorns survive; the use amount for each time is 600 to 800kg / mu; nutrients are applied after the edible fungus is sowed five to seven days; and during the growth of the edible fungus, the humidity of the growth environment of the edible fungus is maintained to be 60% to 80%. The hawthorn and edible fungus interplanting method rationally utilizes the land and achieves resource optimized utilization.

The invention relates to a contrast agent having two functions of up-conversion luminescence and magnetic resonance imaging, and a method for preparing the same. The contrast agent is obtained by modifying a gadolinium chelating agent on the surfaces of carbon nanospheres through taking up-conversion luminescent material carbon nanospheres as cores and using a coupling agent, wherein the mol ratio of the carbon nanospheres to the coupling agent to the gadolinium chelating agent is 1: 1: 1 to10: 1: 1. The dual-function contrast agent is small in grain size, high in crystallinity, even in dispersion, stable in performance, and strong in both fluorescence and magnetic resonance signal. The product obtained is capable of meeting the requirements of clinical application.