58results about How to "Achieve complete dissolution" patented technology

The invention relates to the extraction and utilization of rosmarinus officinalis, and discloses a method for comprehensively extracting the rosmarinus officinalis and preparing a fat-soluble instant antioxidant. The method comprises the following steps of: mincing raw materials rosmarinus officinalis tender stems or leaves which are dried in shade, and distilling the minced rosmarinus officinalis tender stems or leaves by using water vapor to obtain rosmarinus officinalis essential oil and distillation residues; and performing percolation extraction on the distillation residues by using ethanol, performing ethanol recovery treatment on extracting solution, obtaining a water-soluble antioxidant from a water phase, dissolving precipitates by using a low-boiling solvent, and decreaming a carnosic acid into cooking oil after decoloring; and performing concentration, and recovering the solvent to obtain a fat-soluble instant antioxidant product with the carnosic acid content of 5 to 20 percent. The method has the advantages of high yield, full raw material utilization, low production cost and the like; and in addition, the application performance of a rosmarinus officinalis antioxidant product is greatly improved, and the rosmarinus officinalis antioxidant can be more conveniently and efficiently used.

The invention discloses a liquid oil-instant and stable rosemary antioxidant and a preparation method thereof. In the method, the rosemary material is adopted as raw material, edible oil is adopted as a carrier cosolvent to assist the supercritical carbon dioxide to strengthen and selectively extract the oxidation resistance active ingredients in the rosemary material, and then the liquid oil-instant and stable rosemary antioxidant and the rosemary essence oil are prepared by one step. The liquid oil-instant and stable rosemary antioxidant can be instant, stable, safe and highly-efficient, and can be directly used for edible oil, foods, health products, medicines, cosmetics and the like. The prepared rosemary essence oil can be directly used as natural perfumes.

The invention provides a composition for improving a cognitive function of a brain, and a preparation method and application thereof. The composition comprises phosphatidylserine, docosahexenoic acid (DHA) and vegetable oil, wherein the mass ratio of the phosphatidylserine to the DHA to the vegetable oil is (50-200):(5-150):(2500-10,000). The invention also provides a preparation method of the composition and a food containing the composition. The phosphatidylserine, the DHA and the vegetable oil are combined together to form a composition, so that the synergistic effects of the phosphatidylserine, the DHA and the vegetable oil act on the human brain, the effective clinic dosage of the phosphatidylserine and fish oil is greatly reduced, reduction of memory ability and reduction of learning ability can be prevented, senile dementia can be prevented, the cognitive ability of the brain is improved. The composition also has an effect of promoting cardiovascular health when the cognitive function of the human brain is improved, and can play a better role by adjusting the content and ratios of omega-6, omega-3 and omega-9 among different vegetable oil.

The invention discloses a method for measuring trace element content in aluminium alloy by an ICP method. A mixture of concentrated hydrochloric acid, concentrated nitric acid and water with a proportion of 1:1:2 is employed for dissolving samples. In the method, an aluminium alloy sample containing higher element silicon content can be entirely dissolved; the contents of a plurality of elements dissolved in the same solution are measured simultaneously and separately in one determination; and the analysis efficiency is high. The matrix is matched and matrix effect is reduced. An aluminium alloy national standard sample is measured and the measurement result meets the requirements; the analysis result is accurate and reliable. The dissolution method is simple and rapid; the method needs little reagent and saves test cost. The correction curve has a wide linear range, can meet test requirements of samples with contents from low to high. In the method, the contents of a plurality of elements are determined simultaneously in one solution; the analysis efficiency is high; and the analysis result is accurate and reliable.

The invention belongs to the field of material, and provides a cellulose solution prepared with low energy consumption and a novel method for preparing the same. The cellulose solution consists of the following materials in the final weight percentage: 2 to 16 percent of cellulose, 3 to 7 percent of lithium hydroxide, 0 to 7 percent of thiourea, 1 to 15 percent of urea, and the balance being water. The cellulose solution prepared by the novel method has the advantages that the cellulose solution does not need the dissolution process of freezing and unfreezing, and can completely dissolve the cellulose in a short time at room temperature; the cellulose solution is suitable for dissolving various celluloses, and has better dissolving capability to the cellulose with high molecular weight; moreover, the cellulose solution can also be used to prepare the cellulose solution with higher solid content, so that the cellulose solution has wider application prospect.

The invention discloses a full-metal soluble bridge plug. The full-metal soluble bridge plug comprises a seat sealing cylinder (1), an upper cone body (2) and a sealing cylinder (3), a lower cone body(4), a lower joint (5), a release rod (7), a conversion joint (8) and a seat sealing rod (9), the lower end of the seat sealing cylinder (1) is attached to the upper end surface of the upper cone body (2), the upper end of the seat sealing cylinder (1) is connected with an externally-arranged seat sealing tool, in the seat sealing barrel (1), the upper end of the conversion joint (8) is connectedwith the lower end of the seat sealing rod (9), the lower end of the conversion joint (8) is connected with the upper end of the releasing rod (7), the lower joint (5) is connected with the releasing rod (7) through threads, the lower joint (5) is connected with the lower cone body (4) through threads, one end of the lower cone body (4) is matched with one end of the sealing cylinder (3) throughthorn teeth, and the other end of the sealing cylinder (3) is matched with the upper cone body (2) through the thorn teeth. The full-metal soluble bridge plug has the characteristics of reliable anchoring, reliable pressure bearing, complete dissolution and the like.

The invention belongs to the technical field of bridge plugs, and discloses a metallic seal solvable bridge plug. The metallic seal solvable bridge plug includes a leader, a slip, a ball seat and a solvable ball. The slip includes a squeezing end abutting against the leader and a taper squeezing cavity tightly matched with the outer wall of the ball seat. The leader, the slip and the ball seat aretightly matched with one another successively to form a bridge plug body. The inner part of the ball seat is in communication with the inner part of the slip to form a first central hole. The first central hole is internally provided with a solvable ball supporting platform which is matched with the solvable ball to achieve the closed effect on the first central hole. A sealing mechanism furthersleeves the ball seat. The lower end of the sealing mechanism abuts against the upper end of the slip. According to the metallic seal solvable bridge plug, fracturing operation efficiency can be effectively improved, the risk of pit shaft plugging is eliminated, the structure is compact, and performance stability of the solvable bridge plug is improved.

The invention provides a composite soluble bridge plug, and relates to the technical field of oil field downhole tools. The lower end of a setting cylinder is attached to the upper end face of an upper cone, the lower end of a setting rod is in threaded connection with a releasing rod, and the releasing rod is connected with a lower cone through a shear pin; and the upper cone, the lower cone and a fracturing ball are all of hollow structures, and the wall thickness of the hollow outer portions is approximately equal to that of a sealing cylinder. The composite soluble bridge plug has the advantages that the upper cone, the sealing cylinder, the lower cone and the fracturing ball are all made of magnesium-based alloy materials, the wall thicknesses of the hollow structures are the same, the dissolution rate and the dissolution time under the same environment condition are the same, and complete dissolution can be achieved in the later period; and an alloy coating is sprayed to the outer portion of the sealing cylinder, the outer surface of the sealing cylinder and the inner wall of a casing pipe are reliably anchored, sealing is achieved through a sealing ring, the fracturing ball seals the upper pressure, the lower cone of a blind plugging structure seals the pressure of the lower stratum, bidirectional sealing is achieved, and meanwhile fine particles are formed after dissolution and discharged along with flowback fluid.

The invention discloses an energy-saving machine provided with a box-shaped detergent dissolver. The energy-saving washing machine is characterized in that a detergent dissolving device is arranged at the upper part of a case, and a heat exchanger is arranged in the case; a wet and hot air inlet, a cold air outlet, a wet and hot air outlet and a cold air inlet are formed in the heat exchanger; the cold air outlet, a fan, an electric heater and a warm air supply port are connected through a pipeline, a wet and hot air exhaust port is connected with the wet and hot air inlet through a pipeline, the wet and hot air outlet is connected with a tee joint through a pipeline, and the tee joint is connected with an exhaust port and a drain pipe through a pipeline respectively; the cold air inlet is connected with a filter and an air suction port through a pipeline. The detergent dissolving device comprises a box, a guiding pipe and a stirrer, wherein a water inlet and a water outlet are formed in the box, and a water inlet solenoid valve and a water outlet solenoid valve are mounted on the outer sides of the water inlet and the water outlet respectively; the water inlet solenoid valve is connected with a detergent box through a water pipe; the guiding pipe is fixed in the box, stirring impellers of the stirrer are inserted into the guiding pipe, and a liquid level sensor is further arranged in the box.

The invention discloses a washing machine provided with a washing powder dissolving device. The washing machine comprises a machine shell, an outer cylinder, an inner cylinder and an impeller. A detergent box and the washing powder dissolving device are arranged above the machine shell. The washing powder dissolving device comprises a box body, a guide pipe and a stirrer. The right side of the box body is provided with a water inlet, the outer side of the water inlet is provided with a water inlet electromagnetic valve, the water inlet electromagnetic valve is connected with a water inlet tee joint through a water pipe, and the water inlet tee joint is connected with the detergent box through a water pipe. The bottom of the box body is provided with a water outlet, the outer side of the water outlet is provided with a water outlet electromagnetic valve, and the water outlet electromagnetic valve is connected with a water outlet tee joint through a water pipe. The water inlet tee joint is connected with the water outlet tee joint through a branch water pipe. The guide pipe is fixed into the box body and divided into a vertical segment, an elbow segment and a horizontal segment. The vertical segment and the horizontal segment are connected through the elbow segment. The stirrer comprises a motor and a stirring impeller. The motor is arranged above the box body, and the lower end of an output shaft of the motor penetrates into the box body and inserted into the vertical segment of the guide pipe. The stirring impeller is fixed to the lower end of the output shaft of the motor. The inner side of the box body is further provided with a liquid level sensor and a temperature sensor.

The invention discloses a washing machine with a detergent dissolution device. The washing machine comprises a machine casing, an outer barrel, an inner barrel and an impeller. A detergent box and the detergent dissolution device are arranged on the upper portion of the machine casing. The detergent dissolution device comprises a water containing pipe, a guide pipe installed in the water containing pipe and a stirrer installed on the water containing pipe. The stirrer comprises a motor and a stirring impeller, the motor is fixedly installed above the outer side of the water containing pipe, an output shaft of the motor penetrates into the water containing pipe to be inserted in the guide pipe, the stirring impeller is fixedly installed at the lower end of the output shaft of the motor, the water containing pipe is further provided with a water inlet and a water outlet, a water inlet solenoid valve is installed on the outer side of the water inlet, and a water outlet solenoid valve is installed on the outer side of the water outlet. The water inlet solenoid valve is connected with the detergent box through a water pipe, the water outlet solenoid valve is connected with a water pipe for leading washing water flowing through the water outlet solenoid valve into the inner barrel, and a liquid level sensor is further arranged in the water containing pipe.

The invention discloses a method for rapidly dissolving Laves phase in a deformed high-temperature alloy ingot by pulse current. The method comprises the following steps of carrying out pulse currentexternal field treatment on the deformed high-temperature alloy ingot under the following treatment parameters that the pulse frequency is 25000-35000 Hz, the current density is 1A/mm<2> - 100A/mm<2>.The method has the advantages that the Laves phase in the material can be completely dissolved at a relatively low temperature within an extremely short time, the time is short, the temperature is low, the operation is simple, the energy consumption can be greatly reduced, and the requirements of current industrial green development planning are met; and in addition, the plasticity of the alloy can be improved, the alloy is used for deformed high-temperature alloy treatment, subsequent cogging and forging processes are facilitated, and a new method is provided for preparation of a high-temperature alloy turbine disc.

The invention discloses an acrylamide particle hydrogel fire extinguishing agent, and belongs to the technical field of fire extinguishing agent production. The hydrogel fire extinguishing agent is prepared from acrylamide, a cross-linking agent, an initiator, a catalyst and water; the cross-linking agent is any one of N,N'-methylenebisacrylamide and N,N'-methylenebismethacrylamide; the initiatoris any one of ammonium persulfate, potassium persulfate and sodium persulfate; and the catalyst is any one of tetramethylethylenediamine and N,N-dimethyl-1,3-propanediamine. The prepared hydrogel fireextinguishing agent has the advantages of good solubility, suitableness for various water qualities, cheap production raw materials, high water-retaining property, high adhesion and high mechanical properties, and can be simply and conveniently operated in practical application.

The invention relates to the field of phase change materials, and particularly discloses a mirabilite-based phase change material and a dissolving method thereof in a glycerol system. The mirabilite-based phase change material is prepared from the following raw materials in parts by weight: 49.5 to 90 parts of mirabilite, 5.5 to 10 parts of sodium carbonate decahydrate, 3 to 7 parts of borax, 7 to 10 parts of sodium hydroxide solid, 20 to 25 parts of glycerol and 80 to 100 parts of water. The dissolving method comprises the following steps: S1, preparing salt; S2, preparing a glycerol solvent; S3, preparing the mirabilite-based phase change material; and S4, standing and forming. The mirabilite-based phase change material disclosed by the invention is more complete in crystallization and better in cycling stability; in addition, the dissolving method provided by the invention has the advantages of simple and accurate process flow operation, and time and labor saving.

The invention provides a surface treatment method for a carbon fiber curved plate for a decorative tail pipe of an automobile exhaust pipe. The surface treatment method includes the following steps that firstly, the surface of the carbon fiber curved plate is scrubbed with acetone, oil stains are removed, then the carbon fiber curved plate is wiped and dried with dry cloth, and then the carbon fiber curved plate is scrubbed with ether and finally is air-dried in a dust-free environment; secondly, the carbon fiber curved plate is put into a surface treatment agent which is pre-heated to 60 DEG C and is soaked for 5 minutes; thirdly, the carbon fiber curved plate is washed with ethanol with the concentration being 95% till the pH valve returns to the neutral state after being fished out, and then the carbon fiber curved plate is dried for 6 hours at the temperature of 50 DEG C; and fourthly, the surface of the carbon fiber curved plate is coated with a layer of polytetrafluoroethylene protective film with the thickness being 0.9 micrometer. By the adoption of the surface treatment method, surface treatment of the carbon fiber curved plate can be achieved, both the hardness and the surface smoothness of the carbon fiber curved plate are improved remarkably, and the service life can be prolonged remarkably.

The invention relates to a method for extracting phosphate ester from alga mud by using dimethyl ether. The method comprises the following steps: putting alga mud formed after blue algae are fished into a reaction kettle, converting DME into a liquid state by using an air compression pump, and dissolving phosphate ester by adjusting the reaction parameters of the reaction kettle and adjusting thepolarity of DME to be consistent with that of phosphate ester; carrying out solid-liquid separation on the obtained mixture, wherein the obtained solid phase is dehydrated alga mud, the water contentis reduced to 40%, and the subsequent landfill incineration requirement is met; and separating the obtained liquid-phase product, converting the liquid DME into gaseous DME through normal-temperaturepressure reduction, collecting the gaseous DME for reuse, enabling the residual liquid-phase product to be rich in phosphate ester, and further extracting the phosphorus element so as to achieve the purposes of reduction and resource utilization of the alga mud.

The invention belongs to a plugging agent for temporary plugging in oil and gas well repairing. The plugging agent comprising the following raw materials in parts by mass: 20 to 40 parts of a polymeric monomer, 5 to 10 parts of a biopolymer, 0.1 to 1.0 part of a cross-linking agent, 50 to 70 parts of a reinforcing agent, 0.01 to 0.05 part of a gel breaker and 0.001 to 0.003 part of an initiator, wherein the polymeric monomer is selected from a mixture of acrylamide and methacrylamide; the biopolymer is one selected from xanthan gum and guar gum; the cross-linking agent is selected from ethylene glycol dimethacrylate; the reinforcing agent is one or a mixture of more than one selected from potassium chloride, sodium chloride, sodium nitrate and potassium nitrate; the gel breaker is a mixture of benzoyl peroxide and ferrous sulfate, and a molar ratio of benzoyl peroxide to ferrous sulfate is (1-2): 1; and the initiator is 1-((cyano-1-methylethyl)azo)formamide. The plugging agent has the advantages that pressure-bearing strength is good, self-degradation release can be realized, and damage to a stratum is small.