78results about How to "Raw materials are non-toxic and harmless" patented technology

The invention discloses a green health-preservation sweet-scented osmanthus tea beverage. The green health-preservation sweet-scented osmanthus tea beverage comprises the following raw materials in parts by weight: 30-40 parts of sweet-scented osmanthus, 1-2 parts of honey, 3-5 parts of Chinese wolfberry fruits, 7-11 parts of fresh tea leaves, 2-3 parts of haws, 3-5 parts of sugarcane, 2-4 parts of cucumbers,3-5 parts of aloe, 0.08-0.14 part of a thickening agent, 0.01-0.03 part of an antioxidant stabilizing agent, 0.1-0.3 part of a vitamin additive and 12-16 parts of distilled water. The sweet-scented osmanthus tea beverage disclosed by the invention has the functions of clearing heat, removing toxicity, moisturizing the intestines, regulating the function of the stomach, regulating vital energy and nourishing the lungs, and is mellow in mouth feel, moderate in sour and sweet degrees, delicious, pleasant in delicate fragrance, high in nutrient value; in addition, the beverage does not precipitate and is good in color singleness; and besides, through the preparation method of the green health-preservation sweet-scented osmanthus tea beverage disclosed by the invention, sweet-scented osmanthus blooming seasonal restrictions are avoided, the green health-preservation sweet-scented osmanthus tea beverage can be processed in an all-weather manner, the raw materials are non-toxic, harmless and convenient to obtain, and the green health-preservation sweet-scented osmanthus tea beverage is low in cost and simple in technology and has higher use value and favorable application prospects.

The functional environment friendly metal deoiling, derusting and antirusting fluid is prepared with polyoxyethylene alkyl ether, sodium dodecyl sulfate, 1.3-dibutyl thiourea, hexamethylidyene tetraamine, zinc dihydrogene phosphate, phosphoric acid, sodium butylnaphthalene sulfonate, sodium sulfosuccinate, triethanolamine, sodium bicarbonate, tartaric acid and 1.3-diethyl sulfourea in certain weight proportion, and through dissolving, diluting with water, mixing to react, and filtering. It has the synergistic effect of the components to deoil, derust, phosphorize, deactivate and antirust metal surface, no harm to human body and no environmental pollution.

The invention discloses a high-lubricity water-based core rod lubricant friendly to the environment, which consists of scale-like plumbago, fused salt, an inorganic binder, a viscosity increaser, water and auxiliary materials. The invention is usable and has excellent lubricity at high temperature; the core rod has long service life, and can meet the requirement of the current pipe mills for adjusting product structure and product quality.

The invention discloses a bio-safety carbon quantum dot-loaded adriamycin complex. A preparation method of the bio-safety carbon quantum dot-loaded adriamycin complex comprises the following steps: (1) mixing milk and deionized water according to the volume ratio of (5-6):(4-5), then putting at a temperature of 160-200 DEG C and heating for 2-4 hours; (2) cooling to a room temperature, centrifuging for 30-45 minutes under 10000-12000 r/min and taking supernatant liquid; (3) filtering with a filter membrane to obtain a carbon quantum dot solution; (4) preparing a carbon quantum dot aqueous solution; (5) preparing an adriamycin aqueous solution; (6) mixing the carbon quantum dot aqueous solution, the adriamycin aqueous solution and a PBS solution and preparing a mixed solution with pH being equal to 7.4; (7) performing light-shading reaction and dialysis to prepare. The preparation method is simple, the adriamycin load rate is high, the prepared complex is high in bio-safety, the killing efficiency of tumor cells is significantly improved, the killing efficiency of normal cells is significantly reduced, and the bio-safety carbon quantum dot-loaded adriamycin complex can be used for tumor disease treatment.

The invention discloses a device for taking water from seawater through solar heat collection. The device comprises a water tank and a photo-thermal conversion element, wherein the upper end of the water tank is of an opening structure, the photo-thermal conversion element floats in seawater on the upper portion of the water tank, a transparent glass cover is arranged on the upper portion of the water tank, the transparent glass cover is of an arc-shaped structure, the glass cover comprises a water collecting tank located on the lower side, the water collecting tank comprises a vertical side wall on the inner side, a horizontal wall extending from the bottom end of the vertical side wall to the horizontal direction, an outer side vertical wall extending upwards along the other end of the horizontal wall, and an arc structure extending upwards and inwards along the outer side vertical wall, the water collecting tank is formed among the inner side vertical wall, the horizontal wall and the outer side vertical wall, a drain hole is formed in the horizontal wall, so that fresh water collected by the water collecting tank is discharged, the purpose of taking water from seawater is achieved, and the device has wide commercial value and application prospect.

The invention relates to a preparation method of Zn-MOF-based multifunctional dyed polyester fabric. The preparation method comprises the following steps: preparing alkali-reduced polyester fabric, preparing Zn-MOF multifunctional polyester fabric and preparing the Zn-MOF-based multifunctional dyed polyester fabric. By the preparation method, the operation is simple, the efficiency is high, special equipment is not required, raw materials are low in cost and easy to obtain, and suitability for industrial production is achieved; the prepared dyed polyester fabric ha antibacterial, odor-proof, mildew-proof, moth-proof, anti-ultraviolet, anti-wrinkling and flame-retardant functions and the like.

The invention provides a preparation method of a slow release type fruit and vegetable sterilizing fresh keeping agent. Raw materials of the slow release type fruit and vegetable sterilizing fresh keeping agent comprise distilled water, beer dry yeast, majoram essential oil and anhydrous alcohol. The preparation method comprises the following steps of firstly adding the beer dry yeast to a given amount of the distilled water for activation, then adding an appropriate amount of the majoram essential oil, performing stirring for a definite time, enabling the majoram essential oil to enter the inner parts of yeast cells through permeation and diffusion effects to form microcapsules, then performing centrifuging, performing vacuum filtration on sediments, washing filter residues with anhydrousalcohol, washing away the majoram essential oil which is not embedded, and performing vacuum freeze drying on filter residues so as to obtain the slow release type fruit and vegetable sterilizing fresh keeping agent capable of slowly releasing the majoram essential oil. The slow release type fruit and vegetable sterilizing fresh keeping agent can be encapsulated with ventilated non-woven fabric bags when being used, the majoram essential oil which is slowly released can restrain propagation and growth of bacterial colonies, can reduce rot of fruits and vegetables and achieve the purpose of keeping fresh through destroying the permeability of cell membranes of pathogenic bacteria.

The invention discloses an inner wall coating for a flue gas desulfurization pump and a preparation method thereof and relates to the technical field of coating production. The inner wall coating for the flue gas desulfurization pump is made of the following materials of, by mass, 80-90 parts of novolac epoxy resin, 20-25 parts of fluorocarbon resin, 12-15 parts of nano ceramic powder, 10-13 parts of zeolite powder, 8-12 parts of glass flakes, 6-10 parts of hydrogenated castor oil, 5-8 parts of carboxymethyl chitosan, 4-6 parts of copper oxide powder, 2-3 parts of oxidized polyethylene wax, 8-10 parts of Chinese wood oil, 50-60 parts of ethyl alcohol and 100-200 parts of water. According to the inner wall coating for the flue gas desulfurization pump and the preparation method thereof, the nano ceramic powder is adopted to perform modification on the novolac epoxy resin, and therefore the comprehensive application performance of the coating is improved; the use method is simple, a layer of hard and compact coating can be formed by spraying once, the adhesive force of the coating is good, the corrosion resistance and the abrasive resistance of the coating are strong, and therefore the service life is prolonged.

The invention discloses a preservative for Huangguan pears and belongs to the field of storage and preservation of fruits. The preservative for Huangguan pears contains any one or the mixture of two of salicylic acid and betaine, and also contains an antioxidant and sugar. The invention can effectively reduce moisture loss of the Huangguan pears in a cold storage period, reduce the incidence rateof russeting on the surfaces of fruits, maintains brightness, cleanness and freshness of the fruit surfaces and good fruit flavor, and has the advantages of no toxicity, no harm, simple preparation method, low cost, convenient use and good preservation effects.

The invention discloses a preparation method of a spherical Ag@T-ZnOw powder and a method and application for preparing a high-dielectric polymer composite film, relates to a preparation method and application of the spherical composite powder, and aims to solve the technical problem that spherical nano-silver serving as a reinforcing phase cannot generate a quantum tunneling effect, and the requirements of modern micro-capacitors and sensors on dielectric properties are difficult to meet. Silver nitrate, polyvinylpyrrolidone and ethylene glycol are used as raw materials to prepare spherical Ag, then tetrapod-like zinc oxide is added, washing, centrifuging and drying are performed after a reaction, and the spherical Ag@T-ZnOw powder is obtained. The dielectric polymer composite film is prepared by film laying and tabletting. The spherical Ag@T-ZnOw powder can generate a quantum tunneling effect, has excellent electrical properties, can be used for preparing sensors, microcapacitors andother devices after being added into a polymer matrix, and has wide application prospects.

The invention relates to a method for growth of one-dimensional zinc oxide nanowires on the surfaces of carbon fibers. The method is characterized by comprising the following steps that the carbon fibers are preoxidized; the preoxidized carbon fibers are soaked in an alkalescent solution, the soaked products are cleaned and added into an ethanol solution of zinc acetate dihydrate for ultrasonic stirring, then an ethanol solution of sodium hydroxide is dropwise added, and after a reaction is conducted, washing and drying are conducted; a zinc sulfate solution is added into a sodium hydroxide solution, and through filtration and air-drying, zinc hydroxide octahedrons are formed; the obtained carbon fibers are added into a seed growth solution, and a reaction is conducted; the product obtained after the reaction is cleaned, and the modified carbon fibers with growth of the one-dimensional zinc oxide nanowires are obtained. The method can be applied to the field of carbon fiber preparation.

The invention provides a preparation method of oregano essential oil nano-microcapsules. The preparation method of the oregano essential oil nano-microcapsules mainly comprises the following steps: firstly, correspondingly dissolving gelatin and Arabic gum; then uniformly mixing; adding oregano essential oil into a mixed solution and homogenizing; then adjusting the pH (potential of Hydrogen) to be acidic by utilizing 10 percent glacial acetic acid and continually stirring for certain time; then taking out; cooling to about 10 DEG C in an ice-water bath; adjusting the pH to be 6.0 by utilizing10 percent sodium hydroxide; adding glutamine transaminase; continually stirring and curing; standing and filtering to obtain a nano-microcapsule solution; pre-cooling the nano-microcapsule solutionat -20 DEG C for 24h; and then freezing and drying under a pressure vacuum condition of 1Pa for not less than 24h to obtain solid-state nano-microcapsules. According to the preparation method providedby the invention, the oregano essential oil can be slowly released and the acting time of the oregano essential oil is prolonged.

The invention discloses an environment-friendly, halogen-free and flame resistant polypropylene color master batch. The environment-friendly, halogen-free and flame resistant polypropylene color master batch is prepared from the following raw materials: a polypropylene resin, titanium dioxide, a dispersant, a polylactic acid, a flame retardant, a coupling agent, an auxiliary agent and a high-temperature stabilizer. The invention also discloses a preparation method of the environment-friendly, halogen-free and flame resistant polypropylene color master batch.

The invention discloses a solid lubricating, friction-reducing and repairing agent with efficacies of lubricating, reducing friction and in-situ repairing. The solid lubricating, friction-reducing and repairing agent comprises 100 parts of rubber, 3-4 parts of vulcanized rubber composition, 5-10 parts of sub-nanometer silicate powder, 2.5-10 parts of solid lubricating agent and 0.05-0.2 part of coupling agent. A preparation method comprises the steps of: (1) preparing materials according to the ratio in claim 1; (2) wrapping the sub-nanometer silicate powder which is dried in vacuum by the coupling agent, wherein the temperature is 70-80 DEG C; (3) milling the rubber in an open mill; (4) mixing the vulcanized rubber composition in the open mill; (5) putting the powder obtained from the step (2) into the open mill to mix; (6) adding the solid lubricating agent in the rubber open mill and mixing, and (7) controlling the temperature of cooling water in an open mill jacket below 60 DEG C until the materials are uniformly mixed, and cutting into strips of 5-8 mm. The solid friction-reducing agent can be coated on a wheel rail through a dispenser.

The invention discloses a preparation method for compounding three-dimensional graphene under the assistance of L-cysteine. The preparation method comprises the following steps: firstly, dispersing GOpowder into ultrapure water and ultrasonically treating, thereby acquiring a GO aqueous solution; adding L-cysteine into the GO aqueous solution and uniformly stirring, thereby acquiring a mixed solution, wherein the mass ratio of GO to L-cysteine is at 1:(5-20); treating the mixed solution in oil bath, and then respectively using deionized water and absolute ethyl alcohol for repeatedly washing,thereby acquiring a GO hydrogel; freeze-drying the GO hydrogel, thereby acquiring a GO aerogel; calcining the GO aerogel under inert atmosphere, thereby acquiring a rGO aerogel with a three-dimensional structure, namely, three-dimensional graphene. According to the invention, L-cysteine is utilized to assist in compounding three-dimensional rGO; preparation process is simple; raw materials are nontoxic and harmless; the preparation method has a bright application prospect in the field of energy storage.

The invention provides an active solar tracking heat collecting device and an air cylinder structure thereof. The device comprises a water tank and a photo-thermal conversion element, wherein the upper end of the water tank is of an opening structure, the photo-thermal conversion element floats on the upper portion of the water tank, the photo-thermal conversion element comprises a base body formed by a foaming material, a groove with an opening in the upper side is formed in the base body, a heat collecting tube box comprises a first tube opening and a second tube opening, the first tube opening is connected with an inlet of a left heat release tube set, the second tube opening is connected with an inlet of a right heat release tube set, an outlet of the left heat release tube set is connected with an upper tube, and an outlet of the right heat release tube set is connected with the upper tube; and the first tube opening and the second tube opening are formed in one side of the heat collecting tube box. According to the active solar tracking heat collecting device and the air cylinder structure thereof, a large amount of steam is generated without the assistance of a heating device, the floating foam material supports a photo-thermal conversion layer out of the water surface, dissipation of generated heat energy from a film to a lower-layer liquid is restrained, therefore thevaporization efficiency of the device is improved, and the great potential of the device as a photo-thermal conversion new energy material is shown.

The invention relates to an antimony-doped tin oxide-manganese oxide composite catalyst for room-temperature catalytic oxidation of formaldehyde and a preparation method thereof. A photo-thermal material namely antimony-doped tin oxide is compounded with a catalytic active component namely manganese oxide, so that the absorbed light energy can be effectively converted into heat energy by utilizingthe photo-thermal effect of the antimony-doped tin oxide, the redox activity of the material is enhanced, and the catalytic activity of the material is improved.

The invention provides a solar heat collection device and a sewage treatment method thereof. The solar heat collection device comprises a reflecting mirror, the reflecting mirror is divided into two parts along the middle, the two parts are the first part and the second part separately, a supporting piece is arranged on the lower portion of a heat collection pipe box, and two hydraulic telescopic rods stretch out of a supporting column to be connected to the first part and the second part separately. The two hydraulic telescopic rods are used for driving the first part and the second part to separate or combine. When the first part and the second part are combined together, the reflecting mirror bodies form the complete reflecting mirror, and the heat collection pipe box is located at the focus position of the reflecting mirror and used for collecting heat of the heat collection pipe box; and when the first part and the second part are separated, the heat collection pipe box is not located at the focus of the first part and the second part, and heat collection is not conducted on the heat collection pipe box. The heat collection device of a novel structure is provided, and vibration and descaling of the heat collection device can be achieved by judging whether heat collection is conducted on the heat collection device or not.

The invention provides conductive asphalt concrete. The conductive asphalt concrete is prepared from raw materials in parts by mass as follows: 91-98 parts of aggregate, 2-9 parts of mineral powder filler, 3-8 parts of asphalt, 0.7-11 parts of a conductive material, 0.01-2 parts of 3,4-dihydroxy-cinnamic acid, 0.01-2 parts of a coupling agent and 0.01-0.5 parts of a dispersing agent, wherein the conductive material is formed by mixing a nano-silver solution and silver-plated conductive yarn; the coupling agent is trimethoxy-2-azidobenzenesulfonyl ethylsilane; the dispersing agent is di(octylphenol polyoxyethylene ether) phosphate. According to the conductive asphalt concrete, the conductive material formed by the nano-silver solution, the silver-plated conductive yarn and black titanium powder is used for the first time, the conductivity is improved, and the conductivity of the conductive material is further improved greatly under the synergistic effect of a 3,4-dihydroxy-cinnamic acid conductivity improving agent. After the material is added, an asphalt mixture is transformed into a conductor from an insulator, electric energy is transformed into heat energy under a power-on condition, so that the temperature of an asphalt concrete pavement is increased, and the purposes of deicing and snow melting are achieved.

The invention relates to a preparation method of a natural plant pigment, and belongs to the field of preparation of pigments. The preparation method of composite pigment comprises the following stepsof soaking tree leaves, vegetable leaves, fruit peels or flower petals and other raw materials of different colors into a fresh-keeping solution for 24h or longer; mixing the raw materials and wastepaper according to a volume ratio of 1 to (0.5 to 2), and stirring into crushed pieces with diameter of 1 to 5 mm by a stirring machine; uniformly mixing the crushed pieces, epoxy resin and a curing agent according to a volume ratio of 1 to (1 to 3) to (0.15 to 0.35), so as to obtain the composite pigment of different colors; sealing and storing under the light-shading condition. The preparation method has the advantages that the waste of resources and pollution to environment due to deliberate discard of waste articles can be avoided; the raw materials are poisonless and harmless, the preparation process is simple, and the preparation method is suitable for being popularized.

The invention belongs to the technical field of magnetic resonance imaging and particularly relates to a process for preparing magnetic resonance visibility strengthened multilayer films containing magnetic nano-particles on a hydrophobic substrate by utilizing the layered assembly technology. The magnetic resonance visibility strengthened films not only have fine magnetic resonance imaging signals, but also can be prepared on a surface of a hydrophobic plastic interventional catheter, thereby realizing visualization of the plastic interventional catheter. The magnetic resonance visibility strengthened films prepared by combining the layered assembly technology can not only be prepared on flat substrates, but also be conveniently prepared on the surfaces of interventional devices in complex shapes, thereby realizing visualization of the devices in magnetic resonance diagnosis. Additionally, the magnetic resonance visibility strengthened films have fine stability and simple preparing process; the preparing process is completely based on aqueous liquor; raw materials used by the process are innocuous and harmless, thereby the process can be hopefully applied to clinical magnetic resonance diagnosis and adjuvant therapy.

The invention provides a preparation method of a granular fertilizer with a core-shell structure. The preparation method comprises the following steps of adding the raw fertilizer particles into a granulating device, starting the granulating device, adding an inorganic powder, and stirring, so as to obtain the granular fertilizer with the core-shell structure. The inorganic powder layer is coatedto the surface of the raw fertilizer by the granulating device so as to obtain the granular fertilizer with the core-shell structure; the granular fertilizer has lasting-effect and slow-release functions, long use time and high utilization rate. The preparation method has the advantages that the preparation method is simple and is easy to operate; a large amount of product can be quickly prepared;the cost is lower; the raw materials are poisonless and harmless, and the green and environment-friendly effects are realized.

The invention discloses a nanometer carbon nanotube doped wet blasting sand material for pump body casting processing, and relates to the technical field of wet blasting processing. The nanometer carbon nanotube doped wet blasting sand material is prepared from, by weight, 90-100 parts of quartz sand, 15-20 parts of bentonite, 5-8 parts of nanometer carbon nanotube powder, 12-15 parts of river sand, 8-11 parts of alumdum, 6-9 parts of feldspar powder, 5-8 parts of putty powder, 3-5 parts of cement, 1-2 parts of tallow amine, 0.5-1 part of zinc carbonate, 25-30 parts of ethanol and 280-300 parts of water. Bentonite is modified by the carbon nanotube, so improvement of comprehensive performances of the sand material is benefited; and the prepared sand material can be directly used in wet blasting treatment of a pump body casting, so the roughness of the casting surface is reduced, scales, rusts, oil stains and other impurities on the surface are removed, and subsequent coating spraying and pump assembling are benefited.