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145results about How to "Good barrier" patented technology

Perfumed aluminum-free composite inner liner paper for multi-coating cigarettes as well as preparation method and device of perfumed aluminum-free composite inner liner paper

The invention relates to a perfumed aluminum-free composite inner liner paper for multi-coating cigarettes as well as a preparation method and a device of the perfumed aluminum-free composite inner liner paper. The perfumed aluminum-free composite inner liner paper comprises two layers of raw paper, a blocking layer, two functional coatings, a perfuming coating and a surface layer, wherein the two sides of one layer of raw paper are respectively coated with the blocking layer and one functional coating, and the surface layer is attached on the functional coating; one side of the other layer of raw paper is sequentially coated with the other functional coating and the perfuming coating; the perfuming coating is combined with the blocking layer; the coating compound device comprises a double-sided coating part, a single-sided coating part and a compounding part. According to the perfumed aluminum-free composite inner liner paper for the multi-coating cigarettes as well as the preparation method and the device of the perfumed aluminum-free composite inner liner paper, the limitation of the original single-layer raw paper coating and single-physical-form functional blocking layer material is broken through; the perfumed aluminum-free composite inner liner paper has a damp-proof function, and is high in safety and barrier property as well as good in an anti-mould effect; therefore, a technical support is provided for the development of the novel and environment-friendly perfumed aluminum-free composite inner liner paper for the cigarettes.
Owner:CHINA TOBACCO YUNAN NEW MATERIAL

Novel process for highway slope protection

The invention relates to a novel process for highway slope protection. The process comprises the following steps of (1) forming a first mounting hole in an unstable area slope surface, forming a second mounting hole and a third mounting hole in a stable area slope surface, and enabling the second mounting hole to correspond to and communicate with the first mounting hole; (2) arranging a supporting assembly between a stable area and a non-stable area, wherein the supporting assembly comprises a pile column arranged in the first mounting hole and connected with the second mounting hole in an inserted manner and a drill bit fixed to the end of the pile column; (3) forming a columnar through hole in the pile column, rotatably mounting a threaded rod on the drill bit, and arranging a reinforcing assembly connected with the stable area slope surface on the threaded rod; and (4) laying a planting net on the unstable area slope surface, wherein the pile column penetrates through the plantingnet and is fixed with the planting net. In the application, the threaded rod in the pile column is connected with the stable area slope surface through the reinforcing assembly, so that the stabilityof the pile column in the using process is enhanced, the pile column can still play a good slope protection role in areas with soft soil, and the probability of water and soil loss is reduced.
Owner:安徽祺泰建设集团有限公司

Densification method for high-temperature antioxidant coating of tungsten-rhenium thermocouple

The invention belongs to the technical field of temperature measurement, and particularly relates to a densification method for an antioxidant coating of a tungsten-rhenium thermocouple. According tothe densification method, the antioxidant coating of the tungsten-rhenium thermocouple is attached to the surface of a substrate of the tungsten-rhenium thermocouple, and comprises a transition layerand an oxygen barrier layer located on the surface of the transition layer, and the thermal expansion coefficient of the material of the transition layer is between the material of the substrate of the tungsten-rhenium thermocouple and the material selected by the oxygen barrier layer; isostatic pressing and heat treatment are carried out on the antioxidant coating of the tungsten-rhenium thermocouple, so that the antioxidant coating is more compact, micro-cracks are less, and the porosity is lower; meanwhile, the thermal stress is released, so that the thickness of the antioxidant coating ofthe tungsten-rhenium thermocouple is reduced by more than 40%; and the oxygen-resistant ablation resistance of the coating in an aerobic environment above 2000 DEG C is remarkably enhanced, so that the problem of long-time contact type temperature measurement in an ultra-high-temperature aerobic environment above 2000 DEG C is solved.
Owner:HUAZHONG UNIV OF SCI & TECH

Preparation method for producing deep-drawn cold-formed medicinal aluminum foil with cast-rolling billet in short process

The invention discloses a preparation method for producing deep-drawn cold-formed medicinal aluminum foil with a cast-rolling billet in a short process. The method sequentially includes the steps of smelting, cast rolling, cold rolling, homogeneous high-temperature treatment, intermediate rolling, slitting shear trimming, intermediate annealing, finish rolling, foil rolling, coil combining, finished product rolling, parting-off, and furnace loading for annealing. Raw materials of the deep-drawn cold-formed medicinal aluminum foil include an aluminum alloy and an Al-Fe intermediate alloy with amass content of 20% or a Fe-containing additive with a mass content of 75%, and elements in the aluminum alloy include 0.025-0.10% of Si, 1.25-1.65% of Fe, 0.001-0.10% of Cu, less than 0.05% of Mn, less than 0.05% of Mg, less than 0.05% of Cr, less than 0.05% of Zn, 0.01-0.04% of Ti and the balance A. By means of the recorded preparation method, final product detection shows that the end face layer offset after parting-off is less than or equal to 0.5 mm, the width of the corrugated edge is 3 mm, and the peak value is 1 mm; the surface cleanliness dyne value is greater than or equal to 65 dyn; as for mechanical properties, the tensile strength is 80-115 MPa, the elongation rate is 23%, and the yield ratio is 42%; and the Erichsen value is 5.0 mm, the deep drawing height is 2.0 mm, the surface hardness value is 22 HV, the bursting strength is 400-800 Ka, and the surface swabbing reaches level A.
Owner:JIANGSU DINGSHENG NEW MATERIAL JOINT STOCK CO LTD

Method for accurately controlling steepness when silicon carbide high-temperature ions are injected into mask

The invention discloses a method for accurately controlling steepness when silicon carbide high-temperature ions are injected into a mask. The method comprises the steps that a silicon carbide epitaxial substrate is cleaned; a high-temperature ion injection masking layer capable of sufficiently resisting against the injected high-temperature and high-energy ions grows on the surface of the silicon carbide epitaxial substrate; an etching resisting layer used for controlling an etching process grows on the high-temperature ion injection masking layer; photoresist coats the etching resisting layer, and a selective high-temperature ion area window is formed in the surface of the etching resisting layer by adopting a photoetching developing technology, etching is sequentially carried out on the etching resisting layer and the high-temperature ion injection masking layer from the selective high-temperature ion area window to the surface of the silicon carbide epitaxial substrate; the photoresist and the unnecessary etching resisting layer are removed to obtain the steep and controllable thick-medium ion injection masking layer with the smooth lateral wall. By means of the method, angle control over an etching surface is carried out accurately, the steep thick-medium ion injection masking layer with the smooth lateral wall is obtained, and good uniformity and strong controllability of the selective ion injection area are guaranteed.
Owner:江苏中科汉韵半导体有限公司

Supersonic flame spraying equipment and spraying method thereof

The invention provides supersonic flame spraying equipment and a spraying method thereof. The supersonic flame spraying equipment comprises an air compressor, a heat exchanger, a main control cabinet,a pressurizing pump, an oil tank, an oxygen bus bar, a machine shell, a base, a powder feeder, an extension pipe, a supersonic fame spraying gun, an angle-adjustable supporting frame, a height position movable adjustment rod, a spattering-preventive collection cover for remaining sprayed powder, a powder pollution-preventive adsorption exporting core and a V-shaped connecting frame. According tothe supersonic flame spraying equipment, a first lining seat, a second lining seat, a joining lining seat, an angle motion bar, a sliding pipe, a third lining seat and a telescopic adjustment rod arearranged; adjustment of the telescopic adjustment rod through extension and contraction is benefited; the sliding pipe slides on the outer wall of the angle motion bar, and at this moment, the angle motion bar moves inside the first lining seat, the inclination angle of the angle motion bar is changed, and the spraying angle of the supersonic flame spraying gun is changed; and finally, extension and contraction work of the telescopic adjustment rod is stopped so that the spraying work can be guaranteed to proceed smoothly.
Owner:ZHENGZHOU LIJIA THERMAL SPRAYING MACHINERY CO LTD

Soil sampling and detecting device

The invention relates to a soil sampling and detecting device. The soil sampling and detecting device comprises a detection box, a casing pipe penetrates the bottom portion of the detection box, a rotating rod is arranged in the casing pipe, a fixing component is arranged on the rotating rod, a base is fixed at the lower end of the casing pipe, a driving component is arranged in the detection box;, the rotating rod penetrates the base and is rotationally connected with the base, an arc-shaped soil drilling plate, a soil salinity detector and an acidity and alkalinity testing sensor are fixed on the bottom surface of the base, a protective plate is movably arranged in the arc-shaped soil drilling plate, a fixing rod is fixed to the protective plate, the end, away from the protective plate,of the fixing rod is fixed to the side wall of the rotating rod, a drill bit is installed at the bottom of the protective plate and the bottom of the arc-shaped soil drilling plate, and the drill bit,the protective plate and the arc-shaped soil drilling plate form a closed space used for protecting the soil salinity detector and the acidity and alkalinity testing sensor. According to the soil detection device in the scheme, the soil salinity detector and the acidity and alkalinity testing sensor are well protected in the soil drilling process, and the phenomenon that the soil salinity detector and the acidity and alkalinity testing sensor are collided and damaged is avoided.
Owner:CHENGDU FUYANG TECH DEV

Method for manufacturing silicon carbide high-temperature ion implantation mask with selectivity cut-off layer

The invention discloses a method for manufacturing a silicon carbide high-temperature ion implantation mask with a selectivity cut-off layer. The method includes the steps of cleaning a silicon carbide substrate, adopting a heat oxidation method to grow an ion implantation sacrificial layer mask on the silicon carbide substrate, adopting an LPCVD method to grow the selectivity cut-off layer used for controlling the etching process on the obtained ion implantation sacrificial layer mask, adopting an epitaxy or growing method to form an insulating medium masking layer on the selectivity cut-off layer, evenly coating the insulating medium masking layer with photoresist, carrying out photoetching to develop a selectivity ion implementation area window, carrying out dry-method etching or corrosion on the insulating medium masking layer from the selectivity ion implementation area window to the surface of the selectivity cut-off layer, continuously carrying out etching or corrosion to the surface of an ion implantation sacrificial layer, removing the photoresist, and obtaining the ultra-thin ion implementation sacrificial layer mask. The method for manufacturing the silicon carbide high-temperature ion implantation mask is suitable for a silicon carbide SBD, a JBS diode, an MOSFET device and other silicon carbide devices requiring high-temperature high-energy ion implantation.
Owner:江苏中科汉韵半导体有限公司
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