2153results about How to "Protect" patented technology

The invention provides a coiled tubing clamping device and an injection head using the same, belonging to the field of oil production and drilling equipment. The clamping device includes a saddle-type clamping block and a clamping block seat, wherein the saddle-type clamping block is connected to the clamping block seat. The clamping device is characterized in that two sides of the saddle-type clamping block are provided with tongue-like platforms, the tongue-like platform is provided with an opening hole, the back part of the saddle-type clamping block is provided with a recess, two sides of the clamping block seat are respectively provided with a pair of bosses, the recess of the saddle-type clamping block is inserted into a slot formed by the clamping block seat bosses, a running clearance is left between the recess and the slot, and the clamping block seat is provided with a positioning screw for limiting the position of the saddle-type clamping block. The injection head comprises an oil pipe clamping mechanism and a transmission chain, wherein the oil pipe clamping mechanism is mounted on the transmission chain through two hinge pin holes on the clamping block seat. The technical proposal has the advantages that the abrasion of the oil pipe can be effectively reduced, the clamping device has operational reliability, and the clamping blocks are convenient in replacement.

The invention discloses a margin-oriented self-adaptive image interpolation method and a VLSI implementation device thereof. The method comprises the steps that the gradient magnitude and the gradient direction of a source image pixel are computed, and marginal information is obtained by comparing the gradient magnitude and a local self-adaptive threshold value, wherein the marginal direction is perpendicular to the gradient direction; the marginal direction is classified, filtering is conducted through the marginal information, and an image is divided into a regular marginal area and a non-marginal area; the regular marginal area interpolation is conducted in the marginal direction, and an improved bicubic interpolation method, a slant bicubic interpolation method and a slant bilinear interpolation method based on local gradient information are adopted to conduct image interpolation according to the classification of the marginal information; image interpolation is conducted on the non-marginal area through the improved bicubic interpolation method based on the local gradient information. The VLSI implementation device comprises a marginal information extraction module, a self-adaptive interpolation module, an input line field synchronous control module and an after-scaling line field synchronous control module. The margin-oriented self-adaptive image interpolation method and the VLSI implementation device of the margin-oriented self-adaptive image interpolation method can effectively improve the effect of image interpolation with high-magnification scaling, and is beneficial to integrated circuit framework achieving.

The invention provides an environment-friendly water-based nano coating material used for concrete protection, and a preparation method thereof. The environment-friendly water-based nano coating material comprises 15%-65% of an organic silane coupling agent, 0.5-10% of nano silica, 0.5-5% of nano titanium dioxide, 0.4%-4% of an organosilicon oligomer, 0.3%-3% of an emulsifier, 0.1%-0.6% of a bactericidal anti-algae agent, 0.01%-0.1% of a regulator, and the balance being deionized water. The environment-friendly water-based nano coating material used for the concrete protection takes advantages of a nanometer effect of nanoparticles and a hydrophobic effect of long-chain organosilicone coupling agent. The prepared environment-friendly water-based nano coating material used for the concrete protection has excellent protection performance.

The invention discloses a slope protection pile pouring and cable bolting construction method for a deep foundation pit. The method comprises the following steps of: 1, making preparations before construction; 2, pouring a slope protection pile, namely measuring, paying off, molding and constructing the poured slope protection pile, punching holes on the poured slope protection pile, binding and hoisting a steel reinforcement cage for molding the slope protection pile, pouring concrete into the poured slope protection pile and constructing a crown beam at the top end of the pile; and 3, excavating a foundation in a layered form and constructing anchor ropes on different rows, namely excavating a first-layer foundation, arranging a first row of anchor ropes, arranging a steel waist rail, arranging anchor heads of the anchor ropes, tensioning the anchor ropes and finishing excavating processes of different layers of foundations and arranging different rows of anchor ropes. The method has a reasonable design, simple construction steps, low investment cost, large support depth and good using effect, and solves the problems of complicated construction steps, high construction cost, inconvenience in control, easy damage to surrounding pipelines, roads, buildings and the like, large construction space and the like existing in the conventional double-row pile supporting method can be solved.

The invention relates to a method and device for subsequently treating exhaust gases of an internal combustion engine while using a reactant, particularly a reducing agent, which is to be introduced into the exhaust gases. According to the invention, the reactant is pumped by means of a delivery device (4), particularly a pump, out of a reactant reservoir (1) and to a dosing device (80), particularly a dosing valve so that after the dosing device is opened, the reactant can be introduced into an exhaust gas line of the internal combustion engine in a dosed manner (dosing operation). Reactant can be conveyed back from the delivery device (4) to the reactant reservoir (1) via a return line (12). The reactant can circulate between the delivery device (4) and the reactant reservoir (1) whereby, particularly when the dosing device is closed, preventing the reactant from freezing (freezing prevention).

The invention relates to the technical field of waste liquid treatment, relates to wastewater treatment of development of continental shale gas and especially relates to a treatment method of a continental shale gas well fracturing operation waste liquid. The treatment method of continental shale gas well fracturing operation waste liquid is characterized in that the treatment method is carried out by five steps of: adjusting pH, oxidizing and reducing viscosity, flocculating and settling, separating solid and liquid, absorbing and filtering. The method provided by the invention has the characteristics of simple process, low cost, continuous treatment, safe production, stable treatment effect and no limit of environment condition; the treated water can be recycled; the fracturing liquid or reinjection formation is configured, so that the water resource is saved; and the method provided by the invention is beneficial to environmental conservation.

The invention discloses an excavation method for a deep and big foundation pit in a long-distance crossing field for a shallow-buried subway. The excavation method includes a first step of arranging separating walls, and dividing the foundation pit into a big foundation pit away from a subway tunnel and a small foundation pit adjacent to the subway tunnel, a second step of adopting a reinforcing mode that super-deep stirring piles are combined with chemical churning piles in the small foundation pile, a third step of arranging a row of tying piles on two sides of existing ground walls of the subway tunnel and enabling the tying piles to be in rigid connection with the existing ground walls of the subway tunnel, a fourth step of arranging a plurality of precipitation wells which also serve as recharge wells in the small foundation pit, a fifth step of excavating the foundation pits, firstly excavating the big foundation pit and then excavating the small foundation pit, a sixth step of using reinforced concrete to support the big foundation pit, using the reinforced concrete to support a first support of the small foundation pit, and using steel to support the rest of the supports, and a seventh step of monitoring the operation of the subway tunnel, and using the precipitation wells to take corresponding precipitation recharge and load limiting measures according to tunnel deformation. The excavation method greatly reduces upheaval and deformation of the foundation pits, and severely controls the deformation on the periphery caused by excavation of the foundation pits.

The invention discloses an anti-bacterial anti-allergy composition for oral care products. The anti-bacterial anti-allergy composition comprises an anti-allergy agent and probiotics, wherein the anti-allergy agent comprises at least one of potassium salt and/or strontium salt. The invention further discloses an application of the anti-bacterial anti-allergy composition to toothpaste, liquid toothpaste, mouth wash, tooth powder, tooth gel or chewing gum. The invention further discloses anti-bacterial anti-allergy toothpaste and a preparation method thereof. The toothpaste comprises a moisturizer, a friction agent, a thickening agent, a surfactant, a sweetening agent, essence, water and the anti-bacterial anti-allergy composition. The preparation method comprises the following steps: adding the moisturizer into a container firstly, adding the thickening agent, and rapidly stirring uniformly; adding the friction agent, the surfactant, the sweetening agent and the potassium salt and/or strontium salt in sequence, adding the probiotics, and uniformly stirring; performing vacuum pumping, adding the essence lastly, stirring, homogenizing and degassing to obtain the anti-bacterial anti-allergy composition. By adopting the anti-bacterial anti-allergy composition, symptoms such as gingival bleeding, halitosis, gomphiasis, tooth sensitivity and the like of a user can be eliminated.

The invention discloses an edible film with a continuous antioxidant function and a preparation method and application thereof. Preparation parameters of tea polyphenol-chitosan hydrochloride nanoparticles are adjusted, and the prepared chitosan hydrochloride nanoparticles with different tea polyphenol encapsulation rates and particle sizes are added to a natural edible biological macromolecular film formation matrix so as to form the film. On one hand, the different encapsulation rates can change the proportion of free tea polyphenol to encapsulated tea polyphenol in the film; on the other hand, the nanoparticles in different sizes can adjust structure compactness of the film, and therefore release of the tea polyphenol in the film is coordinated and controlled. According to the edible film with the continuous antioxidant function and the preparation method and the application of the edible film, when the antioxidant film is prepared, release of active substances can be adjusted under the condition that the concentration of the active substances is definite, and the use rate of the active substances in the film is increased.

The invention relates to a process for dyeing polyester fibre material according to the exhaust method, which process comprises the following steps: (a) pre-treatment of the fibre material with one or more surfactants, (b) dyeing with one or more disperse dyes, and (c) reductive after-treatment with a hydroxyalkylsulfinic acid or a hydroxyalkylsulfinic acid salt, wherein steps (a), (b) and (c) are carried out in succession in a single liquor.

The invention discloses a high-power heavy low seam mining machine, which comprises a machine body, a left traction part, a right traction part, a left cutting part, a right cutting part, a swinging arm elevating hydraulic system and an electric control system, wherein the electric control system comprises an electric control box and a controller; the left cutting part comprises a left swinging arm, a left roller and left cutting motors; the right cutting part comprises a right swinging arm, a right roller and right cutting motors; the left traction part comprises a left traction motor and a left traction transmission mechanism; the right traction part comprises a right traction motor and a right traction transmission mechanism; the left cutting motors, the right cutting motors, the left traction motor, the right traction motor and swinging arm elevating hydraulic system are controlled by the controller; and two left cutting motors and two right cutting motors are provided. The high-power heavy low seam mining machine has the advantages of reasonable design, high overall power, high mining efficiency, stable and reliable working performance and good using effect, and can be used for solving the problems of low power, low mining efficiency, poor using effect and the like existed in the conventional coal mining machine in the mining process of a low coal seam.

The present invention relates to a safety management method of file system and its device. The described method includes the following steps: A, dividing initialized flash memory into several logical sectors, and noting state of every logical sector; B, in the flash memory interior creating mapping table of logic sector and physical sector; and C, when the data are written into logic sector, searching or modifying mapping table and making recovery management of abnormal condition. The described device includes the following several portions: division unit, creation unit and recovery management unit.

The invention discloses metal drawing oil which is characterized by containing the following components in percentage by weight: 10-30% of oiliness agent, 20-40% of extreme pressure additive, 0-0.5% of antioxidant, 0-5% of corrosion inhibitor and the balance of base oil. The product disclosed by the invention contains a great deal of oiliness agent and extreme pressure additive, and can be used for providing favorable lubricating property and strong adhesive force, reducing the heat in a forming process, effectively lubricating a workpiece and a die, favorably protecting the die and prolonging the service life of the die. Due to the excellent extreme pressure property, the workpiece quality is effectively improved and the processing power is effectively increased under high, deep and difficult processing conditions; and the metal drawing oil is high in viscosity index, good in viscosity-temperature characteristics and high in temperature and weather adaptability.

The invention relates to a transmitter of artificial heart support valve, which comprises duct head, tube, near controller, middle tube, guide tube, external protector, at least one locking wire, and at least one support drawing line. The external protector can be external pin tube, or breakable external protector or the line compressor which can be twisted. The invention can rotationally position the valve, and effectively fix the expanded valve, reduce the abrasion, and avoid fall off.

The invention provides a vehicle engine oil additive and engine oil. The additive comprises the following components: 15 to 34 weight percent of nano WS2 powder, 0 to 24 weight percent of nano MoS2 powder, 20 to 20.5 weight percent of dispersant, 0 to 0.5 weight percent of antioxidant, 0 to 1 weight percent of metal passivant and the balance of base oil, wherein the kinematic viscosity of the base oil at 40 DEG C is 70 to 190mm2/s, and the kinematic viscosity of the base oil at 100 DEG C is 12 to 20mm2/s. The engine oil of the invention comprises 5 to 20 weight percent of additive and 80 to 95 weight percent of petrolic oil or comprises 15 to 25 weight percent of additive and 75 to 85 weight percent of diesel engine oil. The engine oil can improve the service life of engine, reduce oil consumption and has obvious energy-saving and emission-reducing effects and other effects.

The invention relates to a novel carrier with good permeability for immobilizing enzymes. The carrier is a polymer microsphere not only with small and medium pores smaller than 90nm, but also with large pores of hundreds of nanometers. The carrier can be used for both single-enzyme immobilization and multiple-enzyme immobilization. The utilization rate of the microsphere surface can reach 70%-100%. The present invention also relates to the use of the carrier for immobilizing enzymes in immobilizing enzymes and the carrier immobilized with enzymes. Because the enzyme can be immobilized inside the carrier and can be well protected by the carrier, it has good stability, activity and reusability, and is especially suitable for column packing for continuous reactions.

The invention relates to a preparation method of a carbon fiber-reinforced ultra high-temperature ceramic-base composite material capable of being repeatedly ablated for use. Vacuum pressure is adopted to soak and combine reaction melt, the reaction melt is permeated in the conventional carbon fiber-reinforced ultra high-temperature ceramic-base composite material, and rear-earth metal elements such as La, Y, Yb, Sc, and the like are added to achieve effects of reducing volatilization of SiO2 at a high temperature, stabilizing a ZrO2/HfO2 crystal form and generating rare-earth zirconate or rear-earth hafnate. After ablation, glass-state SiO2 is formed on the material surface and filled between ZrO2 and HfO2; and a compaction layer of the rare-earth zirconate/the rear-earth hafnate is mixed to protect the material very well, so that repeatable ablation of the ultra high-temperature ceramic-base composite material is possible.

The invention discloses liqueur, relates to peony liqueur and a production process thereof and belongs to prepared liqueur. The method comprises the following steps: fermenting crops, such as sorghum,corn, wheat, rice or peas, and the like with a mixture of peony bark and peony seeds in a weight ratio of 100: (1-4); adding and soaking fresh peonies or star anise, dried tangerine peel, fennel, Chinese wolfberry, and the like in the prepared peony puree wine; and adding food flavor to obtain the peony liqueur, wherein the fresh peonies are added in an amount of 1-3 percent of the peony puree wine by weight; and the star anise, the dried tangerine peel, the fennel and the Chinese wolfberry are added in an amount of 0.5-2 percent of the peony puree wine by weight. The peony liqueur integratesthe functions of nourishment, healthcare and food adornment, has favorable mouthfeel and strong peony fragrance and uses the peonies with extremely high nutritive value and health value as raw materials to not only expand the use value of peony plants, but also achieve the remarkable efficacy for resisting atherosclerosis, protecting myocardial cells and the immune system, activating the blood, regulating the menstruation, obstructing the meridian and nourishing the five viscera, thereby benefiting the body, lengthening the life and suiting for long-term drinking.

The invention relates to a production technology of furan resin, in particular to a production technology of furan resin used for casting steel. The technology comprises the following steps of: closing an outlet valve at the bottom of the reactor, opening a feed valve, starting a mixer, adding certain content of paraformaldehyde, urea and furfuryl alcohol, adding certain content of basic catalyst to adjust the PH value of the seasoning liquid; heating up to 80-100 DEG C, insulating for 60-80 minutes; stopping the insulation, opening cooling water and cooling down to 60-90 DEG C, adding 50% of the total amount of furfuryl alcohol; adding certain amount of acid catalyst to adjust the PH value of the seasoning liquid to 3-5 when the temperature drops to 60 DEG C; heating up to 85-100 DEG C, insulating for 50-70 minutes; adding the 25% of the total amount of furfuryl alcohol, adding certain amount of silane coupling agent ammonia and methanol; and continuing to stir for 30 minutes after discharging and submitting for censorship. The invention provides a method of using imported paraformaldehyde and urea to produce urea-formaldehyde glue on the basis of traditional resin technology instead of using aqueous solution of formaldehyde. The production technology provided by the invention has the advantages of needlessness of dehydration in the post-synthetic phase, production cycle reducing, cost saving and environmental protection.