Pyrazoline pyridine-fluorescent coumarin dye derivant, synthesis and uses thereof

The invention belongs to the field of fluorescent dye and laser dye, and relates to coumarin fluorescent dye and laser dye, in particular to pyrazoline naphthyridine coumarin fluorescent dye derivative, and a synthetic method and an application thereof. The pyrazoline naphthyridine coumarin fluorescent dye derivative has very high fluorescent efficiency with the quantum yield of fluorescence of nearly 100 percent; meanwhile, the fluorescent material has excellent heat, light and electricity chemical stability, and can be used as fluorescent dye, laser dye, organic electroluminescent material, fluorescent marking material, fluorescent chemical sensitive material and the other. The pyrazoline naphthyridine coumarin fluorescent dye derivative has structure as seen in formula I or formula II.

A method for preparing orderly-arranged one-dimensional organic nanomaterials

The invention relates to a method for preparing one-dimensional organic nanomaterials, especially to a method for preparing orderly-arranged one-dimensional organic nanomaterials. The invention comprises the following steps: adding organic compound solution prepared by mixing low boiling point non-water-miscible organic solvent with organic compound; adding proper amount of high purity water or of mixed solution of high purity water, methanol, ethanol, N, N-dimethyl formamide or glycol, etc. The volatilization of organic solvent can induce the growth of one-dimensional organic nanomaterials, and at the same time, the interface of organic solvent with high-purity water or with mixed solution can prompt and induce the orderly arrangement of one-dimensional organic nanomaterials. In this way, thin film formed by orderly arranged one-dimensional organic nanomaterials which are produced by organic compound can be obtained. And further by layer-upon-layer assembly method, multilayer composite ...

Organic electroluminescent material as well as synthetic method and application thereof

The invention particularly relates to polyaryl-substituted pyridine derivative, a synthetic method thereof and the application of the polyaryl-substituted pyridine derivative to preparation of organic electroluminescent devices, belonging to the field of electroluminescent material. According to molecular design, large substitutional groups with rigid structures are introduced, so that the derivative has small possibility of forming the exciplex, the crystallization process of the derivative is inhibited, the film forming property of the derivative is improved, and the electric charge transmission property of the derivative is improved. Meanwhile, the modular coplanarity is damaged to cause emission peak hypochromatic shift, and the purpose of improving device property is achieved. The polyaryl-substituted pyridine derivative comprises the following structure.

Method for producing calcium carbide

Coumarin derivates, preparation method thereof and application thereof in white-light organic electroluminescent device

The invention belongs to the technical field of organic electroluminescent display, and particularly relates to coumarin derivates, a preparation method thereof and application thereof in a white-light organic electroluminescent device. The coumarin derivates are in any one structure as disclosed in the specification. The coumarin derivate materials provided by the invention can efficiently emit blue fluorescence, and have high color purity, high fluorescence quantum yield, high electroluminescence efficiency and favorable film-forming performance; and the synthesis and purification method ofthe coumarin derivate materials is simple and suitable for mass production. The coumarin derivate materials provided by the invention have a high triplet-state energy level (higher than 2.4eV), and can simultaneously sensitize green and red phosphorescent doped materials. The coumarin derivate materials provided by the invention can be used as main materials in illuminant materials and/or luminescent ...

Organic electronic transmission and/or hole barrier materials, synthesis method and use thereof

The invention belongs to the field of organic electronic transmission and/or hole barrier materials in organic electroluminescent devices, in particular relates to polyaryl substituted pyridine derivatives for the organic electronic transmission and/or hole barrier materials, a synthetic method thereof, and use for preparing the organic electroluminescent devices by using the polyaryl substituted pyridine derivatives. Through molecular design in the invention, large substituent groups with rigid structures are introduced so that exciplexes can not be easily formed by the material, the course of crystallization of the material is inhibited, the film formation of the material is improved, and the charge transmission performance of the material is increased. Synchronously, the emission peak of the material has blue shift due to the damage of molecular coplanarity so that the purpose of improving the performances of the devices is achieved. The polyaryl substituted pyridine derivatives of the ...

Coumarin derivative type organic electroluminescent material and preparation method and applications thereof

The invention belongs to the technical field of organic electroluminescent display and particularly relates to a coumarin derivative type organic electroluminescent material and a preparation method and applications thereof. The structure of the material is shown as below. The material of the invention has efficient fluorescence radiation property, better color purity, fluorescence quantum yield and electroluminescent efficiency and better film-forming property; and the material has simple synthetise and purification methods and is suitable for mass production. The material of the invention has higher triplet state energy level which is higher than 2.4eV and can be used to sensitize green and red phosphorescent doping materials. The coumarin derivative type organic electroluminescent material of the invention can be used as the luminant material of the organic electroluminescent element and/or the main material of the luminescent layer and be used to prepare the organic electroluminescent ...

Mesh welding machine

The invention discloses a welding machine of mesh. The net width of a frame is 4 to 5mm and transformers are air self-cooling transformers larger than 200KVA; nine transformers are arranged, each transformer has four output terminals and each output terminal provides 9V and 16,000 to 18,000A welding current; 36 output terminals are connected with 36 welded points through copper strips; the diameter of a cylinder is 100mm and provides pressure of 0.94Mpa; 36 cylinders are provided with 36 plane welded poles and the plane area of the welded pole is 2,600mm. The invention is mainly used for manufacturing steel bar welded mesh with width of 4 to 4.8, which can weld both cold-rolled ribbed steel fabric with diameter of 14mm to 20mm and hot-rolled ribbed steel bar with diameter of 14mm to 20mm.

Organic electron transport and/or cavitation block material and synthesis method and application thereof

The invention belongs to the field of organic electron transport or cavitation block materials in organic electroluminescent devices, and more particularly relates to a multiaryl-substituted replace pyridine derivative for an organic electron transport and/or cavitation block material and a synthesis method thereof, and application thereof for preparing the organic electroluminescent devices. Theinvention can ensure that a plurality of big substituents with rigid structures are introduced to avoid forming exciplexes through molecular design; the crystallization course is limited; the film forming property is improved; the charge transmission performance is enhanced; and the blue shift of the emission peak simultaneously appears because of the destroy of molecular coplanarity to reach thepurpose of improving device performance. The multiaryl-substituted replace pyridine derivative comprises the following structures.

Method for oriented growth of one-dimensional inorganic nanowire array on metal substrate

The invention discloses a method for preparing a one-dimensional inorganic nanowire array in a large area on a metal substrate. The method comprises the following steps of: 1) putting a precursor into a container, putting the container into a high temperature area of a vacuum tube type stove, putting the metal substrate into the container, putting the container into a low temperature area of the vacuum tube type stove, which is 10 to 20cm away from the center of the high temperature area, making a furnace chamber of the vacuum tube type stove in an anaerobic state, filling non-oxidative protective gas into the furnace chamber until the pressure is 1*10<3>Pa, and sealing the vacuum tube type stove; and 2) raising the temperature at a rate of 10-20DEG C/minute, heating the high temperature area of the vacuum tube type stove to reach the evaporating temperature of the precursor, keeping the temperature for 30 to 300 minutes, naturally cooling to room temperature, and obtaining the vertically ...

Organic electronic transmission and/or hole-barrier material, synthesis method thereof and use thereof

The invention belongs to the field of organic electronic transmission and/or cavity barrier materials in organic electroluminescence devices and particularly relates to polyarylate substituted pyridine derivates of the organic electronic transmission and/or hole-barrier material, a synthesis method thereof and use of the polyarylate substituted pyridine derivate material in manufacturing of organic electroluminescence device. In the invention, some large substitutes with a rigid structure are introduced by cellular design, so that exciplex is difficult to generate, a crystallization process is restrained, the film forming property is improved, and charge transmission performance is improved; meanwhile, the destruction of molecular coplanarity causes emission peak hypochromatic shift, so that the device performance is improved. The polyarylate substituted pyridine derivates of the invention have a structure below.

Organic electronic transmission and/or positive hole countercheck material, and synthesizing method and purpose thereof

The invention belongs to the field of organic electron transmission/hole blocking materials for organic electroluminescent devices, and particularly relates to a polyaryl-substituted pyridine derivative used in the organic electron transmission materials and/or the organic hole blocking materials, a synthetic method thereof as well as the usage of the polyaryl-substituted pyridine derivative material for preparing an organic electroluminescent device. By a molecular design, a plurality of large substituents with rigid structures are introduced, which causes an exciplex not to easily form in the derivative, inhibits the crystallization course thereof, improves the film forming thereof and improves the charge transfer property thereof; meanwhile, the breakage of the molecular coplanarity causes a blue shift of the emission peak of the derivative, thus achieving the purpose of improving the performance of the device. The polyaryl-substituted pyridine derivative comprises the structure.

High-altitude orbit sailboard wind driven generator

The invention provides a high-altitude orbit sailboard wind driven generator, comprising two or more than two annular tower posts which take a central tower post as the centre of circle and encircle around the central tower post; the top part of the annular tower post is installed with a horizontal annular orbit which takes the central tower post as the center of circle; a sports car is arranged on the annular orbit; even number of lower layer revolving arms of force are installed on the sports car and are evenly distributed in the radial direction along the center of the annular orbit; upper layer revolving arms of force with the number same as that of lower layer revolving arms of force are overlappingly installed above the lower layer revolving arms of force; opposite sides of the two ends of each group of upper and lower revolving arms of force are respectively provided with a yin and yang sailboard; a revolving gear is installed below the lower layer revolving arm of force and has ...

DIRECTLY ALLOYING PROCESS IN VANADIUM SLAG FURNACE

The characteristic of the process is that the block shaped vanadium slag together with slag forming material and deoxidizer melt in a melten bath. The alkalinity is controlled to 2.5-3.2. The vanadium recovery rate of present process is 90-95%, which is 10% higher than that of existing technology. The method is suitable for use in smelting vanadium content low alloy steel.

Pyrazoline naphthyridine benzocoumarin fluorescent dye derivatives, synthesis method of same, and application of same

The invention belongs to the field of fluorescent dyes and laser dyes, and relates to coumarin fluorescent dyes and laser dyes, in particular to pyrazoline naphthyridine benzocoumarin fluorescent dye derivatives, a synthesis method of the same, and application of the same. The pyrazoline naphthyridine benzocoumarin fluorescent dye derivatives have longer emission wavelength and extremely high luminous efficiency, and the fluorescence quantum efficiency of the derivatives is approximately 100 percent; at the same time, a luminescent material of the derivatives has excellent thermo, photo and electrochemical stability, and can be used as fluorescent dyes, laser dyes, organic electroluminescent materials, fluorescent labeling materials, fluorescent chemosensitive materials and the like. The pyrazoline naphthyridine benzocoumarin fluorescent dye derivatives have a structure shown in a formula (I) or a formula (II).

Directly alloying process in vanadium slag furnace

The characteristic of the process is that the block shaped vanadium slag together with slag forming material and deoxidizer melt in a melten bath. The alkalinity is controlled to 2.5-3.2. The vanadium recovery rate of present process is 90-95%, which is 10% higher than that of existing technology. The method is suitable for use in smelting vanadium content low alloy steel.

DESIGN METHOD OF LOADAGE-INCREASING CROSS-ROLLER GUIDE HOLDER

Health tea for blackening and generating hair

The invention relates to healthy tea which can promote hair blacking and growth and is prepared by a plurality of natural Chinese herbal medicines, which is convenient for drinking. All effective components of the tea are as follows by weight portions: 20 to 40 percent of jujube, 10 to 20 percent of prepared fleeceflower root, 10 to 25 percent of mulberry, 5 to 20 percent of astragalus, 5 to 10 percent of black sesame, 10 to 15 percent of salvia miltiorrhiza and 5 to 15 percent of medlar. The tea is packaged into tea bags. The healthy tea of the invention has the functions of promoting blood circulation for removing blood stasis, invigorating qi, enriching blood, hair blacking and growth and immunoregulation.

High-barrier composite film and production method thereof

The invention discloses a high-barrier composite film which comprises a film body, wherein the film body is formed by sequentially compounding an LDPE (Low-Density Polyethylene) outer layer, a PVDC (Polyvinyl Dichloride) middle layer and an LDPE inner layer. The high-barrier composite film is produced by the following steps of: respectively adding LDPE, PVDC and LDPE resin particles into three extruder hoppers of a composite film blow molding unit in the proportion of 36 percent:28 percent:36 percent; heating to a melting state by an extruder melting section; collecting into an upper die head, a middle die head and a lower die head of a composite die head for compounding; and blow-molding, cooling for moulding, drawing and carrying out corona treatment to obtain a finished film product with the thickness of 0.09-0.18mm. The invention has the advantages that three materials are compounded into a three-layer film by three extruders of the composite film blow molding unit, the materials with ...

Heating device used for vacuum plating equipment

The invention discloses a heating device used for a vacuum plating equipment, comprising a steam plating container and a heater; wherein the bottom of the steam plating container bulges upwards to form a heat-conductive trough; and the heating part of the heater is matched with the heat-conductive trough for heating. The heating device improves the heat energy utilization ratio of the equipment and prevents the cross pollution of the material in the steam plating chamber.

Organic electronic transmission and/or hole barrier materials, synthetic method and applications thereof

The invention belongs to the fields of organic electronic transmission/hole barrier materials in organic electroluminescent devices, and particularly relates to polyaryl substituted pyridine derivatives for organic electronic transmission and/or hole barrier materials, a synthetic method thereof, and applications of making organic electroluminescent devices from the polyaryl substituted pyridine derivative materials. Through molecular design, the invention introduces some large substituting groups with rigid structures, so that exciplexes can not easily be formed and the crystallization process is inhibited, thereby improving the film forming property and enhancing the charge transmission performance; and meanwhile, the destruction of the molecular coplanarity enables the emission peak tomake a blue shift, thereby achieving the goal of improving the device performance. The polyaryl substituted pyridine derivatives of the invention comprise the following structures.

Method for detecting single molecule of single silicon nanowire in real time based on surface enhanced raman scattering effect

The invention discloses a method for detecting a single molecule of a single silicon nanowire in real time based on a surface enhanced raman scattering (SERS) effect. The method comprises the following steps of: 1) dispersing the silicon nanowire of which a surface oxide layer is removed in aqueous solution of cetyltrimethyl ammonium bromide (CTAB), adding metal silver ion-containing solution into dispersion of the silicon nanowire under stirring, reacting for a period of time, centrifuging a product and collecting precipitates, and dispersing the obtained silicon nanowire on which the surface is loaded with silver particles in ethanol; and 2) dropwise adding ethanol dispersion of the silicon nanowire into a groove of a glass slide with the groove, adding aqueous solution of molecules to be tested into the groove after ethanol is volatilized, sealing the groove by using cover glass, irradiating the silicon nanowire at the groove by using laser of a certain wavelength, and collecting araman ...

Preparation of silicon nanowire array

The invention relates to a method for preparing silicon nanowires, belonging to the nanophase material preparation technical field. The method comprises the following steps that: a silicon chip is washed and shaken by acetone and alcohol and is processed by an acid cleaning liquid and a No.1 standard cleaning solution; a silicon dioxide spheres solution with a weight percentage density between 0.02 and 2.0 percent is added on the silicon chip surface which is washed off in the step one drop by drop by a micro pipette, the processed silicon chip is placed in air to air naturally; the silicon chip with silicon dioxide sphere arrays is annealed for one to three hours at a temperature of between 900 and 1000 DEG C; afterwards, the silicon chip is put into a diluent hydrofluoric acid solution to be eroded for 2 to 20 minutes so that the diameters of the spheres become small; an Ag film with a thickness between 20 and 80nm is deposited on the silicon chip surface by the plating technique or the ...

Health tea capable of lowering blood pressure and blood lipoid

Automobile engine and crankshaft detecting and repairing method

The automobile engine and crankshaft detecting and repairing method includes detecting crankshaft with the engine of same vehicle and detecting the engine with standard crankshaft. When the bending of the crankshaft main shaft is detected, the two main shaft bushes are fastened to the front and back bearing bush holes, one magnetic dial gauge is fixed in proper position and the point contact is made to contact with the middle part of the crankshaft with the oscillating pointer indicating the detected bending. When the engine is detected, the dial gauge is used to measure the main shaft bush interval after the main shaft bush is installed. Detecting and repairing automobile engine and crankshaft based on the said method is simple, accurate and saving in time and labor.

Organic electronic transmission and/or positive hole countercheck material, and synthesizing method and purpose thereof

The invention belongs to the field of organic electron transmission/hole blocking organic materials for organic electroluminescent devices, and particularly relates to a polyaryl-substituted pyridine derivative used in the organic electron transmission materials and/or the organic hole blocking organic materials, a synthetic method as well as the usage of the polyaryl-substituted pyridine derivative material for preparing an organic electroluminescent device. By a molecular design, a plurality of large substituents with rigid structures are introduced, which causes an exciplex not to easily form in the derivative, inhibits the crystallization course thereof, improves the film forming thereof and improves the charge transfer property thereof; meanwhile, the breakage of the molecular coplanarity causes a blue shift of the emission peak of the derivative, thus achieving the purpose of improving the performance of the device. The polyaryl-substituted pyridine derivative comprises the structure ...

Silicon nanometer wire-conductive polymer compound as well as preparation method and application thereof

The invention discloses a silicon nanometer wire-conductive polymer PEDOT (polyethylenedioxythiophene) compound as well as a preparation method and an application thereof. The preparation method comprises the following steps: 1) using an HF (Hydrogen Fluoride) solution to treat the surface of a silicon nanometer wire array structure which is acquired by using a metal nanometer particle catalyzing auxiliary etching method, thereby acquiring a treated silicon nanometer wire array structure; and 2) using a cyclic voltammetry to enable a polymer monomer EDOT (ethylenedioxythiophene) to have electrochemical polymerization on the surface of the treated silicon nanometer wire array structure, thereby acquiring a silicon nanometer wire-conductive polymer compound. The preparation method has a mild reaction condition, is easily operated and can be used for efficiently controlling the thickness of functional polymers on the silicon nanometer wire surface, the band structure and the conductivity.

Pyrazoline pyridine-fluorescent coumarin dye derivant, synthesis and uses thereof

The invention belongs to the field of fluorescent dye and laser dye, and relates to coumarin fluorescent dye and laser dye, in particular to pyrazoline naphthyridine coumarin fluorescent dye derivative, and a synthetic method and an application thereof. The pyrazoline naphthyridine coumarin fluorescent dye derivative has very high fluorescent efficiency with the quantum yield of fluorescence of nearly 100 percent; meanwhile, the fluorescent material has excellent heat, light and electricity chemical stability, and can be used as fluorescent dye, laser dye, organic electroluminescent material,fluorescent marking material, fluorescent chemical sensitive material and the other. The pyrazoline naphthyridine coumarin fluorescent dye derivative has structure as seen in formula I or formula II.

High-altitude orbit sailboard wind driven generator

The invention provides a high-altitude orbit sailboard wind driven generator, comprising two or more than two annular tower posts which take a central tower post as the centre of circle and encircle around the central tower post; the top part of the annular tower post is installed with a horizontal annular orbit which takes the central tower post as the center of circle; a sports car is arranged on the annular orbit; even number of lower layer revolving arms of force are installed on the sports car and are evenly distributed in the radial direction along the center of the annular orbit; upperlayer revolving arms of force with the number same as that of lower layer revolving arms of force are overlappingly installed above the lower layer revolving arms of force; opposite sides of the two ends of each group of upper and lower revolving arms of force are respectively provided with a yin and yang sailboard; a revolving gear is installed below the lower layer revolving arm of force and has the ...

Method for preparing organic nanostructure material by using chemical reaction

The invention belongs to the technical field of organic nanostructure material preparation and an application, and relates to a method for preparing the organic nanostructure material by using a chemical reaction. The invention uses solubility difference between reactants and resultants to mix organic compound solution and metal salt solution, wherein the mol ratio of organic compounds to metal ions is 1:0.4-1:20. After the reaction is finished, a generated insoluble compound reaches super saturation and is precipitated out of the solution, thereby generating the organic nanostructure material. The invention leads the reactants with a homogeneous phase state in the solution to generate compounds after the reaction, wherein the compounds become super saturate in the solution and nanocrystal is precipitated. The invention has the advantages of simple preparation technology, high yield coefficient and high product purity quotient. The obtained nanostructure has good monodispersity. No other ...

Organic electronic transmission and/or positive hole countercheck material, and synthesizing method and purpose thereof

The invention belongs to the field of organic electron transmission/hole blocking materials for organic electroluminescent devices, and particularly relates to a polyaryl-substituted pyridine derivative used in the organic electron transmission materials and/or the organic hole blocking materials, a synthetic method thereof as well as the usage of the polyaryl-substituted pyridine derivative material for preparing an organic electroluminescent device. By a molecular design, a plurality of large substituents with rigid structures are introduced, which causes an exciplex not to easily form in the derivative, inhibits the crystallization course thereof, improves the film forming thereof and improves the charge transfer property thereof; meanwhile, the breakage of the molecular coplanarity causes a blue shift of the emission peak of the derivative, thus achieving the purpose of improving the performance of the device. The polyaryl-substituted pyridine derivative comprises the structure.

Mesh welding machine

The invention discloses a welding machine of mesh. The net width of a frame is 4 to 5mm and transformers are air self-cooling transformers larger than 200KVA; nine transformers are arranged, each transformer has four output terminals and each output terminal provides 9V and 16,000 to 18,000A welding current; 36 output terminals are connected with 36 welded points through copper strips; the diameter of a cylinder is 100mm and provides pressure of 0.94Mpa; 36 cylinders are provided with 36 plane welded poles and the plane area of the welded pole is 2,600mm<2>. The invention is mainly used for manufacturing steel bar welded mesh with width of 4 to 4.8, which can weld both cold-rolled ribbed steel fabric with diameter of 14mm to 20mm and hot-rolled ribbed steel bar with diameter of 14mm to 20mm.

Method for preparing Te nanorod array by non-template electrochemical deposition

The invention belongs to the field of nano material preparation technology, and in particular relates to a method for preparing a Te nanorod array in large area by non-template electrochemical deposition. The method comprises the following steps: taking a Te compound and ammonia water as main raw materials, and preparing the raw materials into an aqueous solution at room temperature; and carryingout electrochemical deposition in a standard three-electrode system, maintaining the reaction system at constant temperature by water bath, and then applying a certain voltage to working electrodes to obtain the Te nanorod array on the working electrodes after reacting for a certain time. The Te nanorod of the invention is single crystal of a triangular structure, and the nanorod grows along the crystal orientation shown in [001].

Electroluminescent organic material, synthetic method and use thereof

The invention belongs to the field of organic electroluminescent material, and in particular relates to polyaryl substituted pyridine derivatives and a synthetic method thereof, as well as application to preparing organic electroluminescent devices by using materials of the polyaryl substituted pyridine derivatives. Through molecular design, the synthetic method introduces large substituting groups which have rigid structures to ensure that the large substituting groups are not easy to form a group excited compound, inhibits the crystallization processes of the large substituting groups, improves the film forming properties of the large substituting groups, and increases charge transfer performances of the large substituting groups; at the same time, destroy of molecular co-planarity makes the large substituting groups emit peak blue shift, so as to achieve the aim of improving the properties of the devices. The polyaryl substituted pyridine derivatives comprise a structural formula as ...

Pyrazoline naphthyridine benzocoumarin fluorescent dye derivatives, synthesis method of same, and application of same

The invention belongs to the field of fluorescent dyes and laser dyes, and relates to coumarin fluorescent dyes and laser dyes, in particular to pyrazoline naphthyridine benzocoumarin fluorescent dye derivatives, a synthesis method of the same, and application of the same. The pyrazoline naphthyridine benzocoumarin fluorescent dye derivatives have longer emission wavelength and extremely high luminous efficiency, and the fluorescence quantum efficiency of the derivatives is approximately 100 percent; at the same time, a luminescent material of the derivatives has excellent thermo, photo and electrochemical stability, and can be used as fluorescent dyes, laser dyes, organic electroluminescent materials, fluorescent labeling materials, fluorescent chemosensitive materials and the like. The pyrazoline naphthyridine benzocoumarin fluorescent dye derivatives have a structure shown in a formula (I) or a formula (II).

Method for producing calcium carbide

The invention relates to a production method of calcium carbide, which takes coal powder and calcium oxide as raw materials. According to the method, the coal powder is crashed to 120 meshes, and then mixed with the calcium oxide at the weight rate of 1:0.8 to 1. A certain amount of water is added into the mixture which then can be stirred to be even and compressed into cubic honeycomb blocks; and then the cubic honeycomb blocks are sent into an electric-arc furnace for smelting the calcium carbide after airing water. The invention crashes the coal powder into a nanometer particle size, thereby ensuring the cubic honeycomb blocks to have a comparatively large surface area, improving the reaction activation energy and being good for the rapid generation of the calcium carbide. The production method of the calcium carbide of the invention not only reduces reaction temperature and shortens reaction time, but also extends the service life of the electric arc furnace.

Sausage-smoothing and defaecating health tea

The invention relates to healthy tea for looseing the bowel to relieve constipation, which is made from a plurality of natural Chinese herbal medicines and is convenient for drinking. All effective components of the tea are as followings by weight portions: 20 to 40 percent of jujube, 5 to 20 percent of cassia seed, 15 to 30 percent of burdock, 10 to 25 percent of round cardamon fruit, 10 to 20 percent of cynomorium songaricum tablets and 5 to 10 percent of honey. The tea is packaged into tea bags. The healthy tea of the invention has the functions of regulating enterogastric functions, defecating, avoiding constipation and preventing intestinal diseases and is convenient for drinking and is suitable for people suffering from habitual constipation.

Method for preparing organic nanostructure material by using chemical reaction

The invention belongs to the technical field of organic nanostructure material preparation and an application, and relates to a method for preparing the organic nanostructure material by using a chemical reaction. The invention uses solubility difference between reactants and resultants to mix organic compound solution and metal salt solution, wherein the mol ratio of organic compounds to metal ions is 1:0.4-1:20. After the reaction is finished, a generated insoluble compound reaches super saturation and is precipitated out of the solution, thereby generating the organic nanostructure material. The invention leads the reactants with a homogeneous phase state in the solution to generate compounds after the reaction, wherein the compounds become super saturate in the solution and nanocrystal is precipitated. The invention has the advantages of simple preparation technology, high yield coefficient and high product purity quotient. The obtained nanostructure has good monodispersity. No other ...

Preparation method of metal/alloy nanoparticle-semiconductor nanowire or nanorod composite nano system

The invention discloses a preparation method of a metal/alloy nanoparticle-semiconductor nanowire or nanorod composite nano system. The method comprises the following steps: removing an in-situ oxide layer on the surface of a silicon/germanium nanowire or nanorod by using a hydrofluoric acid water solution to form a hydrogen-terminated silicon/germanium nanowire or nanorod; and carrying out redox reaction on the hydrogen-terminated silicon/germanium nanowire or nanorod and a single metal ion or multiple metal ions to form a system, which is uniformly coated with metal nanoparticles or alloy nanoparticles, on the surface of the silicon/germanium nanowire or nanorod, thereby obtaining the metal/alloy nanoparticle-semiconductor nanowire or nanorod composite system. The composite nano system prepared by using the method disclosed by the invention has wide application prospects in the fields of high-efficiency catalysis, surface-enhanced Raman detection and the like.

Method for preparing sequentially arranged bent silicon nano-wire array

The invention discloses a method for preparing a sequentially arranged bent silicon nano-wire array. The method comprises the following steps of: 1) placing etching solution in a hydrofluoric acid corrosion resistant vessel, cleaning a crystal orientation mono-crystalline silicon wafer (111), immersing in the etching solution, and sealing the vessel, wherein the etching solution consists of silver nitrate, hydrofluoric acid and deionized water, the concentration of silver ions in the etching solution is between 0.01 and 0.04mol/L, and the concentration of the hydrofluoric acid is between 1 and 5mol/L; and 2) placing the vessel in a constant-temperature water bath to ensure the silicon wafer reacts with the etching solution, and taking the silicon wafer out after the reaction is completed to obtain the sequentially arranged bent silicon nano-wire array on the surface of the silicon wafer. In the method, the metal ion assisted solution etching technology and selective effect of different ...

Beauty face-nourishing health-care tea

Taiji-type electric generator using wave energy

A tidal power generator features that its lever system composed of float, steel cable, pulley, drive rod and support can convert the polydirectional reciprocating movement of waves to up-down movement in one same straight line, and the Taiji diagram pricple is used to convert the said up-down movement to rotational movement in one samd direction for continuous outputting. Its advantages are low investment and quickly taking its effect.

Novel lithium battery cathode material

The invention relates to a novel lithium battery cathode material and belongs to the field of the new material technology and nanometer materials. The invention discloses a novel lithium battery cathode material and aims to provide a nano-silicon material and use the nano-silicon material as a lithium battery cathode material. The method comprises the following steps: carrying out metal-catalyzed corrosion to silicon to obtain the nano-silicon material by using a metal particle as a catalyzer in hydrofluoric acid solution containing an oxidant and then using the nano-silicon material as the lithium battery cathode material after the metal particle is cleaned and removed. The nano-silicon lithium ion battery cathode material has the reversible lithium storage capacity higher than the value of carbon materials applied commonly at present and has good cycle performance and good application prospect.

Method for preparing monocrystalline one-dimensional or quasi one-dimensional organic nanomaterial by solution method

The invention discloses a method for preparing a monocrystalline one-dimensional or quasi one-dimensional organic nanomaterial. The method comprises the following steps of: 1) dissolving an organic compound in a good solvent to form solution, and mixing the solution and a poor solvent of the organic compound and stirring to obtain a crystal nucleus of the organic compound in the mixed solution, wherein the good solvent and the poor solvent are mutually soluble; and 2) standing and aging the mixed solution containing the crystal nucleus of the organic compound to obtain the monocrystalline one-dimensional or quasi one-dimensional organic nanomaterial. In the method, a simple solvent exchange method is utilized, and a series of organic nanomaterials with various shapes are successfully prepared by combining an exchange solvent nucleation mechanism with a mechanism for guiding crystal nucleus growth under intermolecular super-molecular interaction. The method has the advantages of preparing ...

Automobile engine and crankshaft detecting and repairing method

Preparation method of silicon nanowires with controlled surface-modified silver particles as single-molecule SERS (surface enhanced Raman scattering) detection substrate

The invention discloses a method for loading silver particles on the surface of silicon nanowires. The method comprises the following steps: dispersing the silicon nanowires without a surface oxide layer in a cetyl-trimethyl ammonium bromide (CTAB) aqueous solution to obtain a dispersion solution of the silicon nanowires; adding a silver nitrate solution to the dispersion solution of the silicon nanowires while stirring, and reacting at room temperature; and centrifuging the obtained reaction solution after reaction, and colleting precipitate to obtain the silicon nanowires loaded with silver particles on the surface. The method is simple and rapid, and the adopted equipment is cheap. By utilizing the method, the silicon nanowires can be prepared in quantity, and topographical dispersion density of the silver particles deposited on the surface of the silicon nanowires can be regulated and controlled by changing the concentrations of the dispersion solution and the silver nitrate solution ...

Organic electronic transmission and/or positive hole countercheck material, and synthesizing method and purpose thereof

The invention belongs to the field of organic electron transmission/hole blocking organic materials for organic electroluminescent devices, and particularly relates to a polyaryl-substituted pyridine derivative used in the organic electron transmission materials and/or the organic hole blocking organic materials, a synthetic method as well as the usage of the polyaryl-substituted pyridine derivative material for preparing an organic electroluminescent device. By a molecular design, a plurality of large substituents with rigid structures are introduced, which causes an exciplex not to easily form in the derivative, inhibits the crystallization course thereof, improves the film forming thereof and improves the charge transfer property thereof; meanwhile, the breakage of the molecular coplanarity causes a blue shift of the emission peak of the derivative, thus achieving the purpose of improving the performance of the device. The polyaryl-substituted pyridine derivative comprises the structure ...

Method for preparing Te nanorod array by non-template electrochemical deposition

The invention belongs to the field of nano material preparation technology, and in particular relates to a method for preparing a Te nanorod array in large area by non-template electrochemical deposition. The method comprises the following steps: taking a Te compound and ammonia water as main raw materials, and preparing the raw materials into an aqueous solution at room temperature; and carrying out electrochemical deposition in a standard three-electrode system, maintaining the reaction system at constant temperature by water bath, and then applying a certain voltage to working electrodes to obtain the Te nanorod array on the working electrodes after reacting for a certain time. The Te nanorod of the invention is single crystal of a triangular structure, and the nanorod grows along the crystal orientation shown in [001].