297results about How to "The process is easy to implement" patented technology

The invention provides an application method of cold field plasma discharge assisted high energy ball milled powder and a plasma assisted high energy ball milling device using the cold field plasma discharge assisted high energy ball milling method. The method comprises the following steps: utilizing dielectric barrier discharge to generate plasmas, introducing a dielectric barrier discharge electrode bar into a high-speed vibrating ball-milling tank, on one hand, requiring a solid insulating medium on the outer layer of the electrode bar to simultaneously bear high-voltage discharge and mechanical shock failure of the grinding ball, and on the other hand, requiring the high-speed vibrating ball milling device to uniformly process the powder. The method is based on the ordinary ball milling technology; the processing efficiency and the effect of the ball mill can be greatly improved by the following steps: under a non-heat-balance discharge condition of the pressure that the discharge space pressure is set to be about 102-106 Pa, introducing the discharge plasmas to input another effective energy to the processed powder, promoting the powder to be processed to be subjected to combined action of the mechanical stress effect and the heat effect of the external electric field, and further accelerating refining of the powder and promoting the alloying progress.

The invention discloses an ex-situ washing remediation method for nitrochlorobenzene-contaminated soil, which comprises the following steps: crushing soil and sieving to remove stones and gravels; filling the soil into a washing reactor to fully mix the soil with a proper amount of washing solution, wherein the washing agent is ethanol; subjecting the washed mixture of slurry to two stages of sieving and filtering, wherein soil particles with large particle sizes are stopped by a screen; pumping the slurry mixture to soil-liquid separation equipment, recovering, filtering and purifying separated washing solution to regenerate the washing solution, regulating the concentration of the washing solution, and leaving the washing solution for washing at next time of washing. A sand filter column is used for filtering, active carbon is used for absorbing molecules of organic contaminants such as nitrochlorobenzene in the washing solution instead of molecules of ethanol serving as the washing agent, and thus, the washing solution is purified and can be recovered and recycling of resources is realized. The organic contaminant content of the washed soil reaches related standards. The soil particles which are sieved and filtered out can be used as building and road construction materials; and the soil particles obtained by solid-liquid separation can be used as raw materials for making concrete and fire bricks and also can be reclaimed. Thus, the whole soil remediation process is accomplished. In the invention, the process is easy to implement, small-scale industrial application can be realized, and an effective means is provided for scientific researchers for researching soil remediation.

The invention discloses nickel base alloy clad steel plates for a pipeline. Each nickel base alloy clad steel plate comprises a nickel base alloy layer and a carbon steel layer. Each carbon steel layer comprises, by mass percentage, 0.01-0.20% of C, 0.10-0.5% of Si, 0.5-2.0% of Mn, at least one of less than or equal to 0.10% of V, less than or equal to 0.10% of Nb, less than or equal to 0.02% of Ti, less than or equal to 0.50% of Ni, less than or equal to 0.5% of Cu, less than or equal to 0.50% of Cr and less than or equal to 0.3% of Mo, and the balance Fe and inevitable impurities. The invention further discloses a manufacturing method of the nickel base alloy clad steel plates for the pipeline. The method comprises the steps that 1, a carbon steel blank and a nickel base alloy blank are obtained; 2, the blanks are assembled through a symmetrical splitting method; 3, composite rolling is conducted, and two sets of double-layer clad steel plates are obtained; and 4, air cooling or water cooling is conducted after rolling till the room temperature is reached, or solid solution treatment is conducted.

The invention provides ultrahigh strength steel with 960MPa of yield strength and a production method thereof. The steel comprises the following chemical components by weight percent: 0.07-0.09% of C, 0.15-0.25% of Si, 1.00-1.20% of Mn, 1.05-1.15% of Cr, 0.15-0.20% of Mo, 0.01-0.06% of Al, no more than 0.02% of P, no more than 0.01% of S, no more than 0.008% of N and the balance of Fe and inevitable impurities. The production method comprises the following steps: smelting and casting are performed to obtain a casting blank, and the casting blank is heated to 1150-1250 DEG C; the finish rolling temperature is 840-900 DEG C; the finish cooling temperature is 640-700 DEG C; and quenching and tempering are performed, the quenching heating temperature is 880-920 DEG C, the heating preservation time is 20-60 minutes, the tempering heating temperature is 150-450 DEG C, and the heating preservation time is 90-180 minutes. The obtained material meets the performance requirement of the 960MPa grade ultrahigh strength steel and has good elongation rate and impact toughness.

The invention relates to an MEMS (micro-electromechanical systems) device and a vacuum encapsulation method of the wafer level thereof. The device is characterized in that wafer level vacuum encapsulation is realized by adopting a silicon-silicon direct bonding technology, a low-resistance silicon wafer is adopted in a silicon structure layer (15) bonded to a silicon substrate, and is directly etched on the silicon layer to form an electrical interconnection lead wire (5); and aluminum electrode (14) is sputtered on an electrical interconnection lead wire bonding area (4) in a lead wire through hole (13) of a silicon nut cap (12). The device has the advantages that a total silicon structure is adopted, and no residual stress exits after bonding, so that the working performance of the device can be greatly improved; low-resistance silicon is utilized as an electrode lead wire, so that damage of high temperature to a metal electrode in the silicon-silicon direct bonding process can be avoided; and the silicon-silicon direct bonding air tightness is extremely good, so that the encapsulation cost is greatly reduced. The method is high in accordance and reliability, and the process is easily implemented.

The invention relates to a method for complexing and extracting plant polyphenol compounds to realizes the extraction of the plant polyphenol compound based on reversible complex reaction. Compared with the conventional physical extraction method, the method has the advantages of high separation efficiency and high purity of plant polyphenols, simple process, easy operation, and low energy consumption.

The invention discloses tobacco humectant and a preparing method thereof. The tobacco humectant is composed of, by weight, 1-5 parts of water soluble plant oil, 50-80 parts of polyhydric alcohol, 2-5 parts of polyethylene glycol, 2-5 parts of polydextrose, 2-5 parts of maltose, 3-7 parts of inositol and 5-25 parts of absolute ethyl alcohol. The tobacco humectant comprises the hydrophilic humectant polyhydric alcohol and the water soluble plant oil, the hydrophilic humectant absorbs moisture from damp air, the water soluble plant oil forms a protection membrane on the surface of cut tobacco, and the speed of the moisture loss is reduced. The hydrophilic humectant polyhydric alcohol and the water soluble plant oil form an even and stable system under a certain condition and fully play the roles of all components, and a good tobacco leaf moistening effect is achieved.

The invention discloses a restoration method of soil polluted by radionuclide Cs-137, and belongs to the field of environmental protection. The method comprises following steps: 1, soil extraction, crushing, and sieving; 2, physical leaching; 3, multi-stage separation and filtration; 4, chemical leaching; and 5, soil particle recovery, dehydration, pH adjustment and soil backfilling. A deionized water and ultrasonic wave combination technology is adopted in the physical leaching stage, so the decontamination percentage reaches 66%. The decontamination percentage of chemical leaching reaches 80%, and the total decontamination percentage reaches 93%, and is greatly higher than the decontamination efficiency of traditional methods. The method disclosed in the invention has the advantages of easy realization, clean process, simple device, good safety and low running cost.

The invention relates to a method for electroplating self-welding a three-dimensional microelectrode, belonging to the field of microelectrode preparation technology. The steps comprises: putting the microelectrode through a metal micropore, and fixing on a slot; and electroplating the metal micropore to lessen the metal micropore, until the metal micropore and the microelectrode being combined together, so that self-welding of metal micropore and the microelectrode is realized. The welding method can easily realize three-dimensional welding of metal microelectrode array and metal micropore, the effect is good, the method is easy and has low cost.

The invention provides a hot forging method for a transmission shaft yoke with a horizontal yoke part, and belongs to the technical field of forging forming. Preform bodies are sequentially conducted flat-die flatten, preforging bending and finishing forging forming. The flat-die flatten is that the preform bodies which are horizontally arranged in a flat-die are flattened to form strip shapes, the preforging bending is that the strip-shaped preform bodies are arranged in a bending die with a specific shape, and the strip-shaped preform bodies are bended and flattened to form preforging parts. Compared with horizontal open type die forging, axial blind holes are directly forged on the transmission shaft yoke prepared by the hot forging method for the transmission shaft yoke with the horizontal yoke part, follow-up machining working procedures are omitted, trimming metal consumption is small, and material utilization is more than 85%. Compared with vertical type hot extrusion forming, the process of the hot forging method for the transmission shaft yoke with the horizontal yoke part is convenient to implement, and stable in process. Dies are relatively simple and low in manufacturing cost.

The invention discloses a manufacturing method for an ultra-high molecular weight polyethylene staple fiber yarn and viscose blended tooling fabric. The high-level tooling fabric adopts yarn formed by blending ultra-high molecular weight polyethylene staple fiber and viscose as raw materials and manufactured through a weaving production method. The method comprises the specific steps that warp and weft form piled yarn through plying and doubling of the ultra-high molecular weight polyethylene staple fiber yarn and viscose blended yarn, a warp beam is manufactured through sectional warping, the ultra-high molecular weight polyethylene staple fiber yarn and viscose blended tooling fabric is produced on a gripper loom, and a finished product is obtained through dyeing treatment after off-machine finishing. According to the method, the technological process is simple, the production efficiency is high, the product quality is stable, the warp tensile strength of the fabric reaches more than 1500 N, the weft tensile strength reaches more than 1000 N, the warp and weft tearing strength is larger than 60 N, the air permeability reaches more than 80 mm/s, the moisture permeability reaches 180 g/m<2>.h, and various color fastnesses reach more than 4 grades.

The invention belongs to the technical field of surface treatment and modification of magnesium alloys and discloses a method for preparing a super-hydrophobic membrane layer on a surface of a magnesium alloy through a one-step method as well as an alloy and an application of the super-hydrophobic membrane layer. The method comprises the following steps and process conditions: by taking a pretreated magnesium alloy as a negative pole and taking a platinum plate as a positive pole, carrying out electric deposition in electroplate liquid to prepare the super-hydrophobic membrane layer on the surface of the magnesium alloy, wherein the electroplate liquid is a mixed solution of Ce(NO3).6H2O. The method is capable of synchronously preparing coarse structures and low-surface-energy materials needed for a super-hydrophobic structure on the surface of the magnesium alloy in one step to prepare the magnesium alloy with the super-hydrophobic membrane layer. The method for preparing the super-hydrophobic membrane layer on the surface of the magnesium alloy through the one-step method is simple; the treatment process is easy to implement; the solution is environmental friendly in formula and is non-toxic and green; the super-hydrophobic membrane layer can be prepared on the surface of the magnesium alloy in one minute at the soonest; an efficient method is capable of implementing the industrial application of the surface treatment of the magnesium alloy and can be widely applied to the surface treatment of the alloy.

The invention relates to a technology for reprocessing waste silk in the polyester staple fiber production process. The technology comprises the following steps of: a) feeding head and tail silk and abnormal silk into a silk guide device; b) feeding generated silk into an oil immersion tank; c) feeding the silk subjected to oil immersion into a first drafting machine, a water bath and a second drafting machine; d) feeding the processed silk into a steam heating box to be heated and then feeding the heated silk into a tension-setting machine; e) feeding the processed silk into a third drafting machine, a silk folding machine, three rollers and a tension roller in sequence; f) feeding the processed silk into a crimping and heating box and a crimping machine; g) feeding the processed silk into a relaxation heat setting machine; and h) finally carrying out cutting off and packing. The technology has the following advantages that the waste silk generated in the production process can be effectively recycled, thus saving the production cost and improving the product competitiveness; and the technology is simple to implement and is considerable in benefits.

The invention discloses a continuous casting manufacturing process of ultra-thick slabs for hydropower station pressure vessel steel, and belongs to the technical field of steelmaking-continuous casting. The process includes the steps that casting powder special for peritectic steel of which the carbon content ranges from 0.08% to 0.14% is designed according to continuous casting characteristics of the peritectic steel; taper values of hydropower station steel penstock casting blanks with different thicknesses are set according to steel type conditions. The defects of surface transverse cracks of the casting blanks and corner transverse cracks of the casting blanks are overcome by setting an ultra-thick slab continuous casting secondary cooling mode. Different pulling rates are set according to the thickness and the width of the slabs, and the problem of center segregation of the ultra-thick slabs is solved through low-pulling-rate casting. The process has the advantages that the process is simple and high in generalization performance, the applicable thickness specification range of the continuous casting slabs is from 400mm to 600mm, and the width specification range is from 1600mm to 3000mm. By utilizing the ultra-thick slabs to manufacture hydropower station steel penstocks through the process, surface indentations, surface transverse cracks and the center segregation level of the casting blanks all can be well controlled.

The invention discloses a packaging structure for an integrated circuit chip. The packaging structure for the integrated circuit chip mainly comprises a circuit board, a chip set, a packaging body and a metal shell. The packaging structure is characterized in that: the chip set is electrically connected with the circuit board and packaged by sealing glue; the packaging body is divided to an internal layer and an external layer; two layers are formed by the different packaging processes and materials; the internal-layer packaging body is adhered to the chip group and formed by a thermally spraying process; the external-layer package body is attached outside the internal-layer package body and made of mixed silicon gel material; and the metal shell is attached outside the package body and electrically connected with the circuit board. In the invention, the packaging structure for the integrated circuit chip is disclosed; the special material and the structure of the packaging body of the packaging structure be used for effectively shielding electromagnetic waves produced by the internal chip and reducing the harm of the electromagnetic waves; and therefore, the common metal shell with a high performance in the market is replaced, the packaging cost is reduced, the process is simply and conveniently implemented and the market prospect is wide.

The invention relates to the technical field of oil field water well operation, and in particular relates to an anti-freezing process for a blowout-preventing pipe and a cable matched with an oil field water injection well test. The anti-freezing process is designed for solving the problems of cable icing and blowout-preventing pipe freezing and blockage happening easily in an oil field water injection well during winter testing construction. The anti-freezing process mainly adopts a blowout-preventing pipe 1, an integrative coil 2, a cable 3, a multi-core wire 4, a heating power supply 5, a generator 6, a cable deicer 7 and a cable car 8, and is used for preventing freeze and defrosting of the blowout-preventing pipe 1 and the cable 3 matched with the water injection well test. The anti-freezing process is used in the oil field water well operation, and has the advantages of deicing the cable at low cost efficiently and quickly, preventing freeze and defrosting the blowout-preventing pipe and the like.