30results about How to "No shape requirement" patented technology

The invention discloses a surface disposing method of electron alloys work piece, which is characterized by the following: including work piece fore treatment, chemical transformation treatment, drying treatment and washing treatment of each interprocess; dipping electron alloys work piece into inverting liquid of main filming matter and assistance filming matter as chemical transformation treatment; setting main filming matter as one or several zircon salt, manganic salt, molybdate and tungstate and so on transient metal salt; converting to Na2MoO4.2H2O content with density at 5-150g/L; setting the assistance filming matter as one or several nitrate and sulfate of lithium, sodium and potassium alkali metal; converting to LiNO3 content with density at 0.5-20g/L and pH value of inverting liquid at 2-6; controlling the disposing temperature at 10-90 deg.c and disposing time at 5-30 min. This surface film possesses properties of protection and decoration.

The invention discloses a detection method based on electromagnetic detection signal for distinguishing inner and outer wall defects, which comprises the following steps: the step 1: a workpiece to be detected and a detecting coil are placed in an external partial magnetic saturation environment; the step 2: a microprocessor generates a square wave excitation signal with a certain frequency, and an excitation amplification circuit carries out a power amplification of the square wave excitation signal for excitation of a first detection coil and a second detection coil; the step 3: the first detection coil and the second detection coil in a difference mode form a differential electromagnetic sensor, and the square wave excitation signal after power amplification by the excitation amplification circuit is loaded; the step 4: signals of the difference electromagnetic sensor are picked by a differential signal amplification circuit for amplification with adaptability; the step 5: the signals after differential amplification by the differential signal amplification circuit are subjected to rectification and integral processing by an integral processing circuit for determining the defects of the workpiece to be detected. The invention is applied to distinguish inner wall/outer wall defects.

The invention discloses a functional gradient composite structure wear-resistant transparent super-hydrophobic coating and a preparation method thereof. Specifically, the method consists of: firstly coating a substrate with a polyurethane modified reinforced bonding layer, then conducting coating of a polyurethane and super-hydrophobic compound transition layer to obtain a polyurethane/polyurethane and silicon dioxide transition layer compound coating, and finally performing coating of a micro-nano super-hydrophobic layer, thus forming a polyurethane/polyurethane-silicon dioxide/silicon dioxide functional gradient composite structure wear-resistant transparent super-hydrophobic coating. The preparation method provided by the invention has the characteristics of simple process, easy operation, normal pressure and low cost, the prepared functional gradient composite structure wear-resistant transparent super-hydrophobic coating can be used for water and fouling prevention on ship surface coatings, automotive glass surfaces, mobile phone screen surfaces and other transparent materials.

The present invention relates to utilization of by-product tobacco stems obtained in tobacco industry, in the concrete, it relates to a technological process for puffing tobacco stems by utilizing microwave. Said technological process includes the following steps: raw material pretreatment: uniformly spraying pectin puffing agent on the dried tobacco stems; charging: making the pretreated tobacco stems be uniformly laid in a glassware; placing the glassware into a microwave oven and utilizing microwave to puff the tobacco stems, microwave frequency is 2450MH2, power is 400w and temperature is 85-95deg.C, so that the puffed tobacco stems can be obtained.

The invention belongs to the technical field of condensation heat transfer; a multi-functional visualization experimental device for steam condensation heat transfer and frosting process includes a vacuum environment system, a visualization system, a steam generation system, a gas supply system, a cooling system, a data acquisition and control system, an experimental sample and a fixture. The multi-functional visualization experimental device is a device capable of completing various steam condensation and frosting experiments; the device can be used for studying the influence of the content of multi-component non-condensable gas on condensation heat transfer, the influence of a material or surface structure on condensation heat transfer with or without non-condensable gas, condensation heat transfer with variable steam pressure and frosting phenomena and the like. At the same time, the shape of experimental samples is not needed, the observation viewing angle is large, and side shooting and high-angle shooting can be carried out at the same time.

The invention discloses a method for quickly evaluating the weathering degree of stone cultural relics. The method comprises the following steps: drying and weighing a weathered rock sample and a fresh rock sample in a drying oven; soaking the rock sample in water and weighing, and calculating the free water absorption rate of the rock sample; defining the ratio of the free water absorption of theweathered rock sample to the average value of the free water absorption of the fresh rock sample as the degradation index of the weathered rock sample; and determining the weathering degree grade ofthe weathered rock sample according to the degradation index range. The method is convenient to operate, and a quick, accurate and quantitative evaluation method for the weathering degree of the stonecultural relics is provided.

The invention discloses a high wearing resistance normal-temperature cured bottom surface syncretic super-hydrophobic coating and a preparation method thereof and belongs to the field of coating preparation. The coating comprises the following components: a fluorocarbon resin, a fluorocarbon resin curing agent, super-hydrophobic graded granules, propylene glycol methyl ether acetate, dibutyltin dilaurate, chloridization modified polypropylene, hydrogenated castor oil, an acrylate copolymer and a diluent. The preparation method comprises the following steps: firstly, preparing a super-hydrophobic graded solution, further preparing the super-hydrophobic graded granules, and finally preparing the bottom surface syncretic super-hydrophobic coating. The prepared coating not only has excellent super-hydrophobic properties, but also has good wearing resistance, and can be widely applied to various base material surfaces. In addition, the coating is simple in preparation process, low in equipment requirement, easy to operate and applicable to large-scale preparation production, and problems that a conventional super-hydrophobic coating is complex in preparation process, hard to use, and the like, can be effectively solved.

The invention relates to a method for preparing a C3N4 film by depositing C3N4 colloidal particles onto a conductive substrate through an electrophoresis method and conducting subsequent annealing treatment with C3N4 colloid highly dispersed in an organic solvent as a precursor and a conductive material as a substrate. Different from published methods for preparing C3N4 films, raw materials are cheap and easy to obtain, the film is flat, compact, uniform and controllable in thickness and makes contact with the substrate well, the preparation process is quick, and mass production is facilitated. The C3N4 film obtained through the preparation method can be used as a C3N4 photoelectrode for reactions such as photoelectrochemical decomposition of water for hydrogen production and photocatalytic degradation of organic substances, and can also be used for purposes such as surface protection and modification of materials.

The invention provides a three-dimensional scene lossless amplification method based on rendering to texture. The amplification ratio is set, the RTT is set to be a target rendering object, a three-dimensional model to be amplified is rendered to the RTT, the texture in the RTT serves as the texture of the Overlay and is displayed on a screen, and the lossless amplification process is completed. By means of the three-dimensional scene lossless amplification method based on rendering to texture, any local part of a three-dimensional scene can be amplified in a lossless mode, the amplification ratio can be regulated, and meanwhile the requirement for the shape of the model to be amplified in the three-dimensional scene does not exist.

The invention provides a preparation method of an in-situ synthesized self-repairing magnesium alloy corrosion-resistant coating. The method comprises the following specific steps: S1, using an electrospark wire cutting machine to cut magnesium alloy into a small cylindrical magnesium alloy matrix=, using different models of abrasive paper to grind and polish the small magnesium alloy cylindricalmatrix for four times, and using absolute ethyl alcohol for cleaning; S2, dissolving weighed protein powder into deionized water in a conical flask, and using a magnetic stirrer to stir a mixed solution so as to prepare a protein solution with a certain concentration; and S3, soaking the small cylindrical magnesium alloy matrix in a prepared protein solution, reacting for 1-12 hours under ultraviolet irradiation, enabling some groups in the protein to react with the surface of the small cylindrical magnesium alloy matrix, carrying out drying in a forced air drying oven after the reaction, andgenerating a layer of composite fiber membrane on the surface of the small cylindrical magnesium alloy matrix in situ. The preparation method is simple and efficient, is suitable for corrosion prevention of all general magnesium alloys, and is especially suitable for long-term corrosion prevention of magnesium alloys in a humid environment.

The invention relates to the field of pyrolysis, in particular to an electronic waste disposal system and method. The system comprises a breaking and sorting device, a feeding device, a stock bin, an intermediate storage tank, a reactor, a cooling chamber, an indirect heat exchanger and a cooling tower; the breaking and sorting device is connected with the feeding device, the intermediate storage tank is connected with the stock bin, the intermediate storage tank is connected with a feeding opening in the upper portion of the reactor, a slag outlet in the lower portion of the reactor is connected with the cooling chamber, a gas outlet of the cooling chamber is connected with the feeding opening of the reactor, the indirect heat exchanger is connected with an oil and gas outlet of the reactor, and the cooling tower is connected with the indirect heat exchanger. Therefore, electronic waste can be stably, continuously and efficiently disposed, the requirements for different treatment amounts can be met according to needs, in the pyrolysis process, the materials are stirred in the reactor along with a spiral propeller, heating is uniform, and pyrolysis is sufficient.

The invention discloses a method and a device for intermittently removing heavy metals in wastewater. The method comprises the following steps: a) contacting heavy metal-containing wastewater with an adsorbent, and adsorbing to obtain a solid-liquid mixture; b) carrying out plate frame filtration on the solid-liquid mixture to realize solid-liquid separation to obtain filtrate and a filtering cake containing heavy metals; and c) monitoring the concentration of heavy metals in the filtrate, and directly discharging the filtrate if the concentration of the heavy metals in the filtrate meets a preset standard; and if the heavy metal concentration in the filtrate does not meet the preset standard, repeating the step a) until the heavy metal concentration in the filtrate meets the preset standard. According to the method, through the intermittent circulation process of adsorption, filtration, detection and discharge/readsorption, the universality of the adsorbent is perfectly solved by skillfully applying the plate-and-frame filtering, so that the method can be widely applied to the field of removal of heavy metals in industrial wastewater.

The invention provides a biological bactericide for a crude oil transportation pipeline, wherein the biological bactericide comprises the following main components: Alcanivorax borkumensis, has no pathogenicity, is less in dosage, simple and convenient to use and environment-friendly compared with conventional inorganic and organic bactericides, and belongs to an environment-friendly bactericide.According to the invention, the biological bactericide can improve the pH value in the environment and effectively inhibit the microbial corrosion of metals, wherein the corrosion rate of an X70 pipeline steel can be reduced by 200 times; the biological bactericide is non-corrosive, wherein the corrosion resistance is improved along with the prolonging of the soaking time of a metal sample; according to the principle of the biological bactericide, the pH value is changed, so that the biological bactericide is not suitable for the survival of other microorganisms, and the defect that the traditional bactericide is easy to generate drug resistance is avoided; the biological bactericide disclosed by the invention is used for metal protection of crude oil transportation pipelines, is simple tooperate, has no requirements on the size and the shape of the pipeline, and can greatly reduce the cost of inhibiting microbial corrosion of the pipeline in petroleum enterprises as long as fluid flows through.