84results about How to "Component adjustable" patented technology

A method kit is provided for demonstrating the effects of a cosmetic product on a consumer's body, especially effects over a period of time. The method includes applying a cosmetic product to the body, capturing an image of the consumer, displaying the image on a monitor and digitally transforming the image to reflect the effect of using the selected cosmetic over the period of time. Among transformed attributes of the body are those of glow / color, sags / wrinkles, pores and combinations thereof. The original and transformed images are juxtaposed on a screen. Consumers are required to select between transformed and displayed images, preferably repetitively, until the consumer has chosen their most appealing transformation.

The invention relates to a process for preparing ZrB2-SiC-ZrC complex phase ceramic materials, which is characterized in that purity of zirconium powder is not less than 98%, silicon powder and boron carbide powder are used as raw materials, batching according to reaction equation (2+x)Zr+(1-x)Si+B4C=2ZrB2+(1-x)SiC+ZrC, 0<=x<=0.5 of generating ZrB2-SiC-ZrC, then, materials containing different components are obtained. The raw materials after being ball ground and dried are sintered with heat pressing between 1500-1700DEG C by adjusting sintering technique parameter and employing self-propagating reaction of the raw materials generated in the process of heating up, thereby obtaining the ZrB2-SiC-ZrC complex phase ceramic materials of different components. Relative density of the materials prepared by the invention is larger than 97%, bending strength is 600-900MPa, fracture toughness property is 4.5-6MPa,m1 / 2, and hardness is 16-19GPa.

The invention discloses a method for making a super-high temperature resistant ceramic coating. The method adopts organic polymer as adhesive and mixed powder consisting of high melting metal powder, B powder, C powder and Si powder as raw materials; moreover, through adopting processes such as preparing slurry used in a coating, slurry coating, precoating curing, high-temperature reaction sintering, a super-high temperature resistant ceramic coating is finally made on the surface of a ceramic matrix composite material. The coating making process is simple and has low cost; the made coating has ideal bonding performance with a substrate and has excellent ablation resistance and antioxidation, thereby laying the foundation for the application of a ceramic matrix composite material in the super-high temperature resistant and antioxidation fields.

A method for plugging a permeable zone or leak in a subterranean formation comprises introducing into the formation a cross-linking composition which comprises (a) an aqueous liquid, (b) a pH buffer, (c) a cross-linkable organic polymer, (d) a cross-linking agent which comprises an organic titanate, an organic zirconate, or combinations thereof, and (e) a delay agent which is a hydroxyalkylaminocarboxylic acid. The method can be used over a wide range of pH conditions.

The invention discloses a composite material of sub-group metals compounded with MXenes and a preparation method of the composite material. The composite material of sub-group metals compounded with MXenes is prepared from MXenes materials and sub-group metals, wherein the surfaces of the MXenes materials are coated with the sub-group metals in situ, and the sub-group metals are also distributed among layers of the MXenes materials. The preparation method comprises the following steps: grinding precursor Mn+1AXn-phase materials, sub-group metal salts and inorganic salts for 5-60min by adoptinga molten salt method, enabling the obtained mixture to react for 1-48h at 300-800 DEG C in inert atmosphere, and then, performing post-treatment to obtain the composite material of the sub-group metals compounded with the MXenes. The composite material disclosed by the invention has the advantages of adjustable and uniform components, low cost, environmental protection, high efficiency and the like, and has application prospects in the fields of electrode materials for electrochemical energy storage, wave absorption materials, electromagnetic shielding materials, catalysts and the like.

A computer audio system includes an audio codec and a tone controller. The audio codec is operably coupled to receive audio information, which includes tone control settings, PCM digital audio inputs and PCM digital audio outputs. In addition, the audio codec may receive audio information as analog input signals via a line-in, a CD input, or an auxiliary input. Based on the audio information, the audio codec provides a first stereo output, a second stereo output and a monotone audio output. The tone controller is operably coupled to the audio codec and includes a low pass filter, a high pass filter, a band pass filter, and a summing module. The low pass filter is operably coupled to filter the monotone audio output and isolates bass components of the audio signal being processed. By further coupling a volume control module to the low pass filter, the bass component of the audio signal being processed may be varied. The high pass filter is operably coupled to filter the first stereo audio signal to pass treble components of the audio signal being processed. Similarly, a volume control module may be coupled to the high pass filter to provide tone control for the treble components of the audio signal being processed. The band pass filter is operably coupled to filter the second stereo audio output, which passes midband components of the audio signal being processed. Similarly, a volume control module may be coupled to the band pass filter such that midband components of the audio signal being processed may be adjusted. The summing module sums the bass component, treble component and midband component of the audio signal being processed to produce a tone controlled audio output.

The invention discloses a drug nanoparticle preparation based on complexing coating, a preparation method and an application. The preparation comprises a complex formed by a poorly-soluble drug, a polyphenol compound, and metal ions; Firstly, a suspension of the poorly-soluble drug particles is obtained by solvent exchange; then with the rapid complexation effect of the polyphenol compound and metal ions, a stable coating layer is formed on the drug particle surfaces, so as to obtain the stable poorly-soluble drug nanoparticle preparation. The invention also discloses a monodisperse nanoparticle preparation of the poorly-soluble drug obtained by the method, and an application thereof. The poorly-soluble drug nanoparticle preparation of the invention is controllable in particle size, uniform in distribution, high in drug loading ratio, and good in stability.

A method for hydraulically fracturing a subterranean formation comprises introducing into the formation a cross-linking composition which comprises (a) an aqueous liquid, (b) a pH buffer, (c) a cross-linkable organic polymer, (d) a cross-linking agent which comprises an organic titanate, an organic zirconate, or combinations thereof, and (e) a delay agent which is a hydroxyalkylaminocarboxylic acid. The method can be used over a wide range of pH conditions.

The invention provides an ordered membrane electrode based on metal oxide nanoribbon as well as a preparation method and application thereof. The ordered membrane electrode based on the metal oxide nanoribbon as well as the preparation method and application thereof comprise preparation of metal oxide nanoribbon, modification of surface of metal oxide nanoribbon and assembly of ordered membrane electrode. First, a regularly oriented Co-OH-CO3 array is grown on a substrate, then a metal oxide nanoribbon array is prepared by using a Co-OH-CO3 nanorod array as a template, and then a catalyst is supported on the surface of the metal oxide nanorod array, finally, the array is heated and pressed on an ion exchange membrane to obtain the membrane electrode, and the membrane electrode is subjectedto purification treatment. The ordered membrane electrode can be applied to a fuel cell, a solid polymer water electrolysis cell, and an integrated renewable fuel cell. The membrane electrode constructed by the invention has the advantages of low catalyst loading, high catalyst utilization, easy amplification and the like.

A computer audio system includes an audio codec and a tone controller. The audio codec is operably coupled to receive audio information, which includes tone control settings, PCM digital audio inputs and PCM digital audio outputs. In addition, the audio codec may receive audio information as analog input signals via a line-in, a CD input, or an auxiliary input. Based on the audio information, the audio codec provides a first stereo output, a second stereo output and a monotone audio output. The tone controller is operably coupled to the audio codec and includes a low pass filter, a high pass filter, a band pass filter, and a summing module. The low pass filter is operably coupled to filter the monotone audio output and isolates bass components of the audio signal being processed. By further coupling a volume control module to the low pass filter, the bass component of the audio signal being processed may be varied. The high pass filter is operably coupled to filter the first stereo audio signal to pass treble components of the audio signal being processed. Similarly, a volume control module may be coupled to the high pass filter to provide tone control for the treble components of the audio signal being processed. The band pass filter is operably coupled to filter the second stereo audio output, which passes midband components of the audio signal being processed. Similarly, a volume control module may be coupled to the band pass filter such that midband components of the audio signal being processed may be adjusted. The summing module sums the bass component, treble component and midband component of the audio signal being processed to produce a tone controlled audio output.

The invention relates to a gallium nitride / zinc oxide solid solution with a high zinc content and a preparation method thereof. The mass content of zinc oxide is greater than 50% and less than or equal to 80%. The bimetal hydrate precursor of Zn / Ga / CO3 is prepared firstly, and then the precursor is nitridized to obtain the gallium nitride / zinc oxide solid solution with a high zinc content. The preparation method provided by the invention has simplicity and high preparation yield, and the prepared product has a high content of zinc oxide and adjustable contents of components.

The invention discloses a preparation method of an Ag0.35V2O5 / TiO2 nano-composite photocatalyst. The preparation method is characterized by comprising the following steps: (1) mixing and uniformly stirring 14 to 17 mass percent of tetrabutyl titanate, 5 to 7 mass percent of polyvinylpyrrolidone with the average molecular weight of 1300000, 20 to 25 mass percent of absolute ethyl alcohol, 10 to 15 mass percent of dimethylacetamide and 38 to 46 mass percent of glacial acetic acid to obtain polyvinylpyrrolidone / titanate solution which is marked as a solution A; (2) mixing and uniformly stirring 3 to 6 mass percent of bisacetylacetonate vanadium oxide, 0.5 to 1 mass percent of silver nitrate, 12 to 16 mass percent of polyvinylpyrrolidone with the average molecular weight of 1300000 and 79 to 84 mass percent of dimethylacetamide to obtain a solution B; (3) mixing and uniformly stirring the solution A and the solution B to obtain a mixed solution of polyvinylpyrrolidone / titanate / bisacetylacetonate vanadium oxide / silver nitrate; (4) spinning the mixed solution to obtain nano-fiber primary material by an electrospinning method, and then annealing the nano-fiber primary material in an air atmosphere to obtain the Ag0.35V2O5 / TiO2 nano-composite photocatalyst.

The invention discloses a metal-plant polyphenol complex crystal material and a preparation method and belongs to the technical field of advanced materials. The preparation method comprises the step of adopting metal ions for crosslinking plant polyphenol, thereby forming a metal-polyphenol complex crystal, wherein morphology (such as shuttle shape and sea urchin shape) of the metal-polyphenol complex crystal is regulated by regulating volume of ammonium hydroxide, and the components of the metal-polyphenol complex crystal are controlled by adding different metal precursors. The plant polyphenol adopted by the method has the characteristics of low cost, non-toxicity, easiness in acquiring raw materials, and the like; the plant polyphenol is a reproducible precursor; the synthesis step of the metal-polyphenol complex crystal is simple; the preparation method is high in universality and is easy for large-scale preparation.

A feeding control mechanism of packaging machine includes a chassis, a feeding guide, a forwarding device, a conveyor belt, and a feeding controller. The feeding guide is arranged at a front side of the chassis to forward a product into the chassis. The forwarding device includes a feeding channel defined by left and right pulleys for clamping and moving a product onto a conveyor belt. The feeding controller is arranged above the conveyor belt. The product tray carried by the conveyor belt are used to trigger first and second sensor of the chassis to activate the feeding controller for opening / closing stop pegs so as to control each product to be correctly positioned on each product tray of the conveyor belt.

The invention discloses a preparation method and application of a two-dimensional multi-element metallic nano material. The preparation method comprises the steps that palladium acetylacetonate, bisplatinum, selectable soluble metal salt, a structure regulating agent, polyvinylpyrrolidone and N-N dimethyl formamide are mixed and stirred for 30-120 minutes at room temperature, then molybdenum hexacarbonyl is added to react with the mixture for 1-3 hours at the temperature of 60-80 DEG C, the temperature is increased to be 120-150 DEG C, reaction is conducted for 1-24 hours, the product is naturally cooled to be at room temperature, and then sufficiently washed with the mixture of ethyl alcohol and acetone, and the two-dimensional multi-element metallic nano material is obtained. The two-dimensional multi-element metallic nano material is synthesized through a one-step method, and the two-dimensional ultrathin multi-metal nano electrocatalyst with the size being controllable and the morphology being regular is prepared by regulating reaction kinetics to control different metal nucleation and growth speed and sequence.

The invention discloses a preparation method of a flexible nano porous nickel / nickel oxide composite electrode plate. The method comprises the following steps: (1) preparing a Ni-Ti precursor amorphous alloy ribbon, selecting high-purity Ni and Ti metals according to the atomic percentage ratio of Ni to Ti being (35+x):(65-x), wherein x is 0 to 10, carrying out melting by an arc-melting furnace to prepare a Ni-Ti alloy ingot, removing a surface scale cinder of the Ni-Ti alloy ingot, and preparing the Ni-Ti amorphous alloy ribbon by vacuum melt-spinning equipment, so as to prepare the Ni-Ti amorphous alloy ribbon with the thickness of 25-30 microns; and (2) carrying out a free dealloying treatment on the Ni-Ti amorphous alloy ribbon obtained in the previous step in an acid etching solution at a room temperature for 40-100 minutes, and washing the obtained nano porous ribbon with deionized water, so as to obtain the nano porous nickel / nickel oxide composite electrode plate. The composite electrode material prepared by the method shows excellent flexibility and simultaneously has good electrochemical properties.

The invention relates to the field of non-oxide-based ceramic materials and specifically discloses a preparation method for a B4C-ZrB2 multiphase ceramic material. According to the invention, boron powder and carbon black are used as raw materials and ZrO2 is used as an additive to prepare mixtures with different constituent contents, then batching and drying are carried out, and then a three-step insulation process in reactive hot-pressing sintering is employed to prepare the B4C-ZrB2 multiphase ceramic material. With the method, the compact B4C-ZrB2 multiphase ceramic material can be sintered at a temperature of 1900 to 2100 DEG C; and the ceramic material has relative density of greater than 96%, hardness of 25 to 38 GPa, breaking tenacity of 3.0 to 6.0 MPa.m1 / 2 and bending strength of 400 to 800 MPa.

The invention relates to a method for promoting the sintering of titanium boride ceramic by using reaction aids, belonging to the field of structural ceramic. The method comprises the following steps of: adding compound aids Ti and B / B4C / C serving as sintering aids which can react at low temperature; promoting the sintering of TiB2 ceramic by using two-phase particles with high sintering activitygenerated by an in-situ reaction between the sintering adds; and preparing TiB2 ceramic of which the relative density is more than 97 percent by performing hot rolling at the temperature between 1,800 DEG C and 2,000 DEG C. A second phase (titanium boride or titanium carbide) generated by using the method has a melting point as high as that of a substrate, and untoward influence on the high temperature mechanical property of a material caused by the sintering aids is eliminated.

The present invention relates to the preparation process of a kind of hollow metal oxide microcapsule. After mesoporous silica microball as template is alkyl group modified, nano metal oxide is filled into the microball hole canal and one layer of polyelectrolyte is adsorbed to the surface, and silica is finally leached out through treatment in alkali solution condition to prepare the hollow metal oxide microcapsule. Said process is simple, has adjustable shell material component and is suitable for the preparation of functional microcapsule. The microcapsule product has fine appearance and excellent performance, and may find its wide application in different fields, such as medicine preparation, catalyzing, electrochemistry, etc.

The invention discloses a novel sandwich type plant sheet and a production process thereof, wherein plant fiber material is used as a bear layer substrate; at least two bear layers are provided; plant extract and plant material with the bear layer quality of 10 percent to 100 percent are added between adjacent two bear layers; and after tightly compositing the bear layers and the plant extract and plant material layer in the middle, the sandwich type plant sheet can be obtained by drying. The invention provides a novel sandwich type plant sheet and a production process, which has the advantages that the performance of processing resistance is good; the plant material attached to the substrate is not easily to fall, so the component of plant fragrance can be effectively maintained; the sandwich type plant sheet can be used in tobacco to make the quality of cigarette suction better; the energy consumption is low; and the pollution to the environment is less.

The invention provides a Y-Sb-Te phase-change material, a phase-change memory unit and a preparation method thereof. The Y-Sb-Te phase-change material is a compound comprising three elements includingyttrium, antimony and tellurium. The chemical formula of the Y-Sb-Te phase-change material is Y100-x-ySbxTey, wherein 0<100-x-y<50, and 0.1<=x / y<=4. According to the invention, the Y-Sb-Te-series phase-change material is faster in crystallization speed and higher in deposition-state stability. Under the action of electric pulses, the reversible phase-change of the material can be realized. Beforeand after the phase-change process, the material is different in resistance and the resistance difference of the material is large, wherein 0 and 1 can be distinguished. Therefore, the material is anideal phase-change material and can be used for preparing the phase-change memory unit. The Y-Sb-Te-series phase-change material can be prepared by a plurality of methods, wherein the magnetron sputtering method is flexible to apply and can conveniently prepare a Y100-x-ySbxTey composite thin film adjustable in component and high in quality.

A feeding control mechanism of packaging machine includes a chassis, a feeding guide, a forwarding device, a conveyor belt, and a feeding controller. The feeding guide is arranged at a front side of the chassis to forward a product into the chassis. The forwarding device includes a feeding channel defined by left and right pulleys for clamping and moving a product onto a conveyor belt. The feeding controller is arranged above the conveyor belt. The product tray carried by the conveyor belt are used to trigger first and second sensor of the chassis to activate the feeding controller for opening / closing stop pegs so as to control each product to be correctly positioned on each product tray of the conveyor belt.

The present invention is the preparation process of composite alumina-silica film. The composite alumina-silica film with adjustable alumina / silica ratio is prepared in chemical vapor deposition furnace as the composite oxide film producing apparatus with only inert gas argon as carrier gas and diluent gas at the temperature of 500-800 deg.c. The said preparation process may be used in preparing film with strong hydrogen permeability, antiwear coating on the surface of metal and non-oxide ceramic-base composite material as antioxidant coating.

Zr-Sb-Te series phase-change materials used for phase-change memories and a preparing method thereof are provided. The general chemical formula of the Zr-Sb-Te series phase-change materials is Zr<100-x-y>Sb<x>Te<y>, wherein 0<100-x-y<20 and 0.5<=x / y<=4. The Zr-Sb-Te series phase-change materials have good crystallization speeds and high stability in deposition states, and can achieve reversible phase changes under the action of electrical pulses, wherein resistances before and after phase changes are different, the difference is large, "0" and "1" can be recognized, the Set voltage pulse width reaches 100 ns, the Reset voltage pulse width reaches 10 ns and the number of cycles reaches 10<4>, so that the Zr-Sb-Te series phase-change materials are ideal phase-change materials and can be used for manufacturing phase-change memory units. The Zr-Sb-Te series phase-change materials can be prepared by a plurality of methods, wherein a magnetron sputtering method is flexible and can conveniently prepare component-adjustable high-quality Zr<100-x-y>Sb<x>Te<y> composite films.

The invention provides a structure of a membrane electrode for SPE water electrolysis and preparation and application thereof. At first, gold foil serves as a raw material, a dealloying method is adopted for obtaining a nanometer porous gold thin film, the nanometer porous gold thin film serves as a supporting layer to carry a catalyst to prepare a catalyzing layer, then the catalyzing layer is transferred to an ion exchange membrane, and the membrane electrode is prepared. The constructed membrane electrode has the beneficial effects of being low in catalyst carrying amount, high in catalyst utilization rate, easy to enlarge and the like.

In a sound processing device, an index value calculation unit calculates a first index value that follows change of a sound signal at a first following degree and a second index value that follows the change of the sound signal at a second following degree which is lower than the first following degree. An adjustment value calculation unit calculates an adjustment value effective to adjust a reverberation component of the sound signal based on difference between the first index value and the second index value. A reverberation adjustment unit applies the adjustment value to the sound signal.

The invention discloses a preparation method of tetraethoxysilane-coated perovskite nanocrystals, which comprises the following steps: (1) obtaining a dispersion liquid of perovskite CsPbX3 nanocrystals, X represents halogen, the concentration of the perovskite CsPbX3 nanocrystals in the dispersion liquid is 1-5wt%, and a solvent is n-hexane and / or toluene; and (2) adding tetraethoxysilane into the dispersion liquid of the perovskite CsPbX3 nanocrystals in the step (1) to enable the volume ratio of the dispersion liquid of the perovskite CsPbX3 nanocrystals to the tetraethoxysilane to be 100:(10-90), fully conducting mixing, and conducting drying in a drying oven to obtain the tetraethoxysilane-coated perovskite nanocrystals. The preparation method is short in preparation time, raw materials are easy to obtain, batch production is easy, and the prepared tetraethoxysilane-coated perovskite nanocrystalline has the outstanding advantages of being good in optical performance, good in light stability and adjustable in component.