191results about How to "Fixed uniform" patented technology

The invention discloses a method for preparing functional biological carbon by in-situ impregnation. The method comprises the following steps: (1) adding a biomass raw material into a pre-treating solution, stirring, dipping and then filtering to obtain a pretreated biomass raw material; (2) adding the pretreated biomass raw material into a impregnation ion solution, stirring, dipping and then filtering to obtain a biomass raw material which contains water and impregnation ions and has water content by weight of 50% to 150%; (3) heating the biomass raw material which contains water and impregnation ions to the temperature of 100-280 DEG C at a speed of 1-3 DEG C/min, and then keeping the temperature for 0.5-2 hours; (4) heating to the temperature of 400-800 DEG C at a speed of 10-100 DEG C/min in an anaerobic or oxygen-limited atmosphere, and keeping the temperature for 1-6 hours; and (5) cooling to obtain the functional biological carbon. According to the method disclosed by the invention, abundant agriculture and forestry wastes are used as raw materials for preparing the functional biological carbon, an in-situ impregnation process is used for regulating a biological carbon structure, and functional particles are controllably and uniformly supported, so the specific surface area and the porosity of the biological carbon are greatly increased, and the biological carbon can be widely applied to the fields such as sewage treatment.

The invention relates to a method for manufacturing surface wear-resisting impregnated paper of a laminate floor by dry-spraying Al2O3. The method comprises the following steps: impregnating pure wood pulp roll paper with a melamine-formaldehyde (MF) resin liquid; uniformly spraying the Al2O3 on the surface of the impregnated paper by utilizing a dry sprayer; allowing the impregnated and sprayed paper to enter a first oven for drying at the temperature of 100-150 DEG C; roll-coating 300-500% (relative to the weight of the paper) of the MF resin liquid on the paper surface after preliminary drying; and allowing the roll-coated paper to enter a second oven for drying at the temperature of 100-150 DEG C, controlling the whole-course running speed of the paper at 10-12m/minute, cooling, adjusting the temperature of the oven and machine speed so as to reach 6.0-7.5% of volatile matters and 40-60% of pre-curing degree, cutting and packaging. By means of the method, the defects of the prior art are overcome, and the spray quantity of the Al2O3 can be adjusted by controlling the dry sprayer so as to obtain the surface wear-resisting impregnated paper with reliable quality according to different wear-resisting requirements; and the method has the advantages of reasonable process and obvious effect, and is simple in operation, thus effectively improving the product quality.

An end portion of a shielding layer is inserted between an inner tubular portion and an outer tubular portion of a shield ring by the use of a tubular pushing jig, and in this condition when a shield shell is inserted into the shield ring in a direction opposite to the direction of inserting of the shielding layer, the shield ring is pressed by the shield shell, so that a gap between the inner tubular portion and the outer tubular portion decreases, and the shielding layer is firmly held between the inner and outer tubular portions, thereby achieving a fixed condition of the shielding layer. Namely, the shield ring and the shield shell are fixed to the end portion of the shielding layer.

The invention discloses an anti-mildew modified atmosphere packaging film, which is prepared from the following components in parts by weight: 100 parts of low density polyethylene resin, 10 to 30 parts of linear polyethylene resin, 10 to 25 parts of ethylene-vinyl acetate resin, 0.5 to 5 parts of antioxidant, 0.5 to 1 part of antistatic agent, 1 to 2 parts of lubricant, 1 to 3 parts of silane coupling agent, 0.5 to 1.5 parts of anti-fogging agent, 5 to 10 parts of calcium carbonate master batch and 0.5 to 2 parts of nano zinc oxide coating solution. The invention also discloses a preparation method for the packaging film. The packaging film prepared by the method has an anti-oxidation function, an anti-fog function, an antibacterial function, an anti-mildew function and a fruit and vegetable respiration adjustment function, the refreshing time of fruits and vegetables can be prolonged, and the quality of the fruits and the vegetables can be improved.

The invention discloses a device and a method for overturning and drying a wood plate. The device comprises a drying mechanism in which two vertical columns (4) are arranged; a rotating shaft (6) is arranged between the vertical columns (4); a motor (3) is connected to one end of the rotating shaft (6); a wood plate mounting frame (1) is arranged on the rotating shaft (6); a fixing structure is arranged in the wood plate mounting frame (1), comprising guide rods (5) which are mounted at the upper side and the lower side of the wood plate mounting frame (1); two sliding rods (2) for clamping the wood plate are arranged between the two guide rods (5). The method comprises the steps of mounting the wood plate to be dried on the wood plate mounting plate; rotating through the motor; drying a plurality of side surface of the rotating wood plate through the drying mechanism. The device and the method have the characteristics of being uniform to dry, short in drying time, and good in drying effect.

The invention provides a textile-based enhanced degradable tube cavity support and a preparation method and application thereof. The textile-based enhanced degradable tube cavity support is characterized by comprising a hollow tubular fabric formed by two-dimensionally and three-directionally knitting degradable macromolecular silk yarns as knitting silk yarns, wherein axial silk yarns are introduced between two groups of knitting silk yarns in the knitting process and are not knitted, the axial silk yarns are molten through a heat treatment process, weaving points of the two groups of degradable macromolecular silk yarns are bonded and fixed through the molten axial silk yarns, and accordingly the textile-based enhanced degradable tube cavity support stable in shape is obtained. The shortcoming that the edge knitted by a machine is easy to loosen and a structure is not easy to fix can be effectively overcome, slippage of the weaving points of the support can be effectively prevented, the number of the weaving points per unit length when the support is radially compressed is increased, and the radial supporting force of the support is increased.

The invention discloses a self support high density metal oxide/nitrogen doped graphene composite electrode, and a preparation method and application thereof. The composite electrode is prepared by the following steps of firstly obtaining nitrogen doped graphene through water bath reaction; then, dispersing the nitrogen doped graphene into an organic solvent; dripping the organic solvent dissolvedwith metal salt; performing uniform dispersion; then performing hydrothermal reaction; preparing a powdery metal oxide/nitrogen doped graphene composite material; then, adding a small amount of graphene oxide so that the powdery metal oxide/nitrogen doped graphene composite material is uniformly dispersed into graphene oxide; preparing metal oxide/nitrogen doped graphene water gel through secondary hydrothermal reaction; finally performing slicing and natural shrinkage drying. The composite material has a self support structure; the density is greater than 1.0g/cm<3>; through a two-step hydrothermal method, an obtained electrode plate can be directly used as an electrode of a lithium ion battery or a sodium ion battery; the electric chemical performance of high volume capacity, high reversibility and high power performance is realized.

The invention discloses a degradable luminal stent with a thermal adhesive composite structure, and a preparation method thereof and application thereof as a mechanically expanded implantable woven stent against stenotic disease. The stent is made of a hollow tubular stent preforming body composed of woven yarn and degradable macromolecular silk yarn through a heat treatment process, shell yarn ismolten in the braided yarn, fusion flowing occurs at interweaving points of two groups of woven yarn, the interweaving points are bonded, and non-interweaving points of the woven yarn form the complete coating for core yarn through softening, fusion and viscose flow. The preparation method includes the steps of making the shell yarn and the core yarn into the woven yarn which is of a shell core structure, the woven yarn and the degradable macromolecular silk yarn are made into the tubular stent preforming body; and after undergoing heat treatment, the tubular stent preforming body forms the degradable luminal stent with the thermal adhesive composite structure. According to the degradable luminal stent, the interweaving points of the stent are regularly bonded and woven, so that the slippage of the interweaving points is limited, the number of the interweaving points in unit length is kept when the stent is subjected to the effect of a radial external force, and thus the radial support force of the stent is improved.

Compressed waveform data structure is proposed which is suited for segmentation of a plurality of samples of compressed waveform data into a plurality of frames and subsequent storage of each of the frames. The number of bits per sample of the compressed waveform data is variable between the frames, but uniform, i.e. the same among all of the samples, within each of the frames. Each of the frames has a same data storage size. Each of the frames includes, in a predetermined layout, an auxiliary information area for storing auxiliary information that includes compression-related information to be used for decompressing the compressed waveform data, and a data area for storing a plurality of samples of the compressed waveform data of the frame with each of the samples comprising a same number of bits. Thus, respective start positions of the frames and compressed waveform data in a memory can be fixed at predetermined positions common to the frames, so that readout control can be performed with ease.

The invention discloses a preparation method of a copper ion chelated nano particle biological coating. The preparation method comprises the following steps: at first, chelating PLL and copper ions to obtain a PLL/copper ion compound; utilizing the characteristic that PLL and chondroitin sulfate can carry out electrostatic interaction to mix PLL/copper ion compound with chondroitin sulfate so as to form copper ion chelated nano ions; then preparing a DM coating on the surface of 316L stainless steel, utilizing the characteristic that DM and primary amino group can carry out Schiff base reactions to fix nano particles containing amino groups onto the surface of a sample so as to establish a multifunctional surface that can prevent coagulation and proliferation and promote endothelial regeneration. By establishing a nano particle coating, which has multiple biological functions, on the surface f 316L stainless steel, the anti-coagulation and anti-proliferation functions of stainless steel are prominently enhanced, and at the same time, the performance of repairing endothelial injury is strengthened.

The invention relates to the field of insole technology, particularly to a composite insole and a method for making same, which includes a surface coat and a bottom coat, an activated carbon interlining composed of granular activated carbons is provided between the surface coat and the bottom coat, and the layers are bonded to each other with bonding agent, wherein, the granular activated carbons in the activated carbon interlining are bonded together through adhesion agent which has good caking ability and provides firm bonding, and more activated carbons can be bonded, off-flavor removing capability of the adhesion agent is strong, and the activated carbon interlining can absorb static generated by human body friction, which ensures health of users; therefore, the composite insole composed of a plurality of layers of the invention has functions of deodorization, mould proofing, bacteriostasis, sweat-absorbing, air permeability, cushioning, strong elasticity and static resistance.

The present invention relates to a shading device for use with a display system. The shading device comprising fixing means (102) for fixing onto the display system.

A fixing device includes a fixing belt in an endless shape for fixing developer to a printing medium; a supporting member for contacting with and supporting the fixing belt; a heating member for contacting with and heating the fixing belt supported with the supporting member; and a heat regulating member disposed between the supporting member and the heating member.

The invention relates to a clamp special for a nanoindenter. The clamp comprises the following components: four telescoping racks and workpiece clamping blocks are arranged on the upper surface of a workpiece supporting plate, the bottom parts of the telescoping racks are provided with telescoping slide blocks, and the workpiece supporting blocks and the telescoping slide blocks are embedded in atelescoping slide way; the tail ends of the telescoping racks are provided with electromagnets, an inclined gear is arranged below the workpiece supporting plate, and rotation supporting racks are arranged at the side of the workpiece supporting plate; the inclined gear and an inclined tooth bar are connected in engagement, the bottom of the inclined tooth bar is connected to a movable slide way by a movable slide bar, the slide bar is internally provided with a spring, and the end of a micrometer is connected to an inclined tooth bar in contact connection; the rotation supporting rack bottompart and a tooth bar rack are fixed at a rotating disk at the lower part; the inner side of the rotating disk is provided with gear teeth with inclination angles, the outside of a fixed disk is provided with uniformly distributed gear teeth, and the rotating disk is connected to the fixed disk in engagement connection through gear teeth. The clamp has simple operation, can realize multi-freedom motion of the workpiece, and ensures good contact between a pressure head and a workpiece to be measured in the working process of the nanoindenter with accurate and reliable experiment results.

The invention relates to equipment and method for preparing a large-area high-density nuclear track nano-pore membrane. The equipment comprises an etching generation device, wherein the etching generation device comprises a clamping part and a liquid holding part; the clamping part is used for clamping a latent track film and is fixed on the liquid holding part filled with etching liquid; an intermittent ultrasonic action is provided by utilizing an ultrasonic generator, and an etching product remained in track holes can be peeled in time; the latent track film is subjected to radiating sensitization by utilizing an ultraviolet lamp, and the etching speed is accelerated. According to the equipment and method, uniform etching of the film can be realized; the etching product is peeled by utilizing ultrasonic waves, so that the etching liquid and the latent track can be sufficiently contacted, and the etching speed of the track can be accelerated; the film is protected against the broken risk due to long-time vibration of the ultraviolet waves by adopting the intermittent ultrasonic action; and the track nano-porous film has excellent reflection resistance, and has wide application range due to the large area and high pore density.

The invention belongs to the field of building, and particularly discloses a curtain wall using rainwater for electricity generation. The curtain wall comprises a supporting frame fixed to the outer wall face of a building, a curtain wall face fixed to the supporting frame, multiple flow guiding grooves, a rectifier, a storage battery electrically connected with the rectifier, a drainage pipe with one end communicated with a sewer line and water wheels located in the drainage pipe. The flow guiding grooves are fixed to the curtain wall face, notches of all the flow guiding grooves face upwards, and the flow guiding grooves are fixed to the curtain wall face in the mode of inclining toward one side; water inlet holes are formed in the drainage pipe, and the lower ends of the flow guiding grooves are connected with the water inlet holes; each water wheel comprises a support, a stator provided with a magnet, a rotating shaft and wheel blades, wherein the support is fixed into the drainage pipe, the stator is fixed to the support, the rotating shaft is rotationally connected with the support, the wheel blades are fixed to the rotating shaft, and a coil is arranged on the rotating shaft, fixed to the rotating shaft and electrically connected with the rectifier. The purpose is to provide the curtain wall capable of using gravitational potential energy of rainwater for electricity generation.

The invention relates to an enamel painting processing technology, in particular to an enamel painting surface treatment method. The enamel painting surface treatment method comprises the steps that after coloring and painting supplementing are conducted, resin is sprayed after being diluted, then, a layer of resin protective film is formed, and plastic sealing is conducted. According to the enamel painting surface treatment method, plastic sealing preparation is made when painting is conducted through enamel, specifically, enamel particles are preliminarily fixed through thin water-based glue and permeated again through the glue to ensure that the glue is very uniformly distributed among the enamel particles, and thus good uniform fixing is conducted; and then the resin is diluted and sprayed to the enamel particles in a spraying mode, the resin plastic sealing film is formed, and in that way, the enamel particle characteristic of an enamel painting can be kept, so that the third dimension is high, the color is bright, fine and smooth, and the characteristic of the enamel painting can be well kept.