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42results about How to "Prevent re-formation" patented technology

Toothpaste containing persimmon leaf extracts

The invention discloses toothpaste containing persimmon leaf extracts, and relates to the technical field of oral care products. The toothpaste is prepared from the following compositions in percentage by mass: 2-7 percent of persimmon leaf extract gingival-protecting whitening toothpaste and 3-8 percent of persimmon leaf extract comprehensive special effect tartar toothpaste; the persimmon leaf extract comprehensive special effect dental calculus toothpaste is prepared from the following compositions in percentage by mass: 2 percent of persimmon leaf extracts, 0.1 percent of saccharin sodium salt, 0.5 percent of newtol, 0.2 percent of sodium benzoate, 0.3 percent of baking soda, 60 percent of sorbitol, 2 percent of PEG400, 18 percent of silicon dioxide, 0.2 percent of titanium dioxide, 1 percent of carboxymethylcellulose, 2.2 percent of dodecyl sulfuric acid, 1.3 percent of essence, 0.5 percent of sodium phytic acid, and the balance of deionized water. A preparation method of the toothpaste containing persimmon leaf extracts is simple; the regeneration of dental calculus can be prevented while dental calculus which is accumulated for many years can be effectively removed at the same time; because of nutritional ingredients contained in the toothpaste, the gingival can be rapidly grown, the tooth health can be effectively protected, and the compositions are pure natural and have no toxic and side effects.
Owner:张建瑞

Medicine for treating kidney stone and gall-stone

The invention discloses a medicine for treating kidney stone and gall-stone, according to a calculus formation pathology and a pharmacological experiment formula, the medicine of the invention is prepared by arbutin, desmodium, lichee nucleus, longan nucleus, common fenugreek seed, gecko, pig iron cinder, gynostemma pentaphylla, plantago, Orthosiphon Stamineus, Caulis aristolochiae manshuriensis, bletilla rhizome, magnolia cortex and sweetleaf tea. The materials are natural-green, safe and reliable. A traditional Chinese medicine toxin expelling therapy is used. The medicine is capable of releasing spasm, relieving pain, smoothing skin, sterilizing, softening hardness and dissipating binds, soothing liver and resolving depression, clearing heat and dispersing stagnate, rectifying qi, disinhibiting urine and freeing strangury and benifiting openheartedness, the medicine can directly act on nidus, an organic matter is subjected to releasing, dissolving and biological enzymatic hydrolysis, can comprehensively permeated in a core of the calculus, the calculus can be cracked, melted and dissolved layer by layer from outer part to inner part, and the waste liquid is excreted through human excretion tissue, and the damaged cells can be activated, the gland can be balanced, the organ vitality can be enhanced, the acid-base value of blood can be balanced, the calculus recurrence can be prevented, and the simultaneous treatment of principal and subordinate symptoms effect can be acted.
Owner:王启凌

Environment-friendly cleaning agent for mechanical equipment

The invention discloses an environment-friendly cleaning agent for mechanical equipment. The environment-friendly cleaning agent comprises the following substances in parts by weight: 25-32 parts of triethanolamine, 1-5 parts of EDTA (Ethylene Diamine Tetraacetic Acid), 3-8 parts of a degreasing agent, 7-12 parts of degreasing powder, 11-15 parts of a surface regulating agent, 8-10 parts of potassium sulfate, 10-16 parts of anhydrous sodium sulfate, 5-16 parts of potassium nitrate, 7-15 parts of sodium nitrite, 2-4 parts of sodium sulfite, 1-3 parts of dispersant, 1-3 parts of thickener, 4-6 parts of flame retardant, 4-8 parts of stearic acid, 7-14 parts of stearate, 4-15 parts of stearamide, 1-3 parts of silicone oil and 4-10 parts of oleamide. The environment-friendly cleaning agent has an efficient and easy cleaning effect on the mechanical equipment, so that oil stains and rusty spots on the surface of the mechanical equipment are thoroughly cleaned, the surface of the mechanical equipment can be prevented from forming the rusty spots again, the time for cleaning can be shortened, and the work efficiency is increased; the environment-friendly cleaning agent is a water-soluble cleaning agent and has low corrosiveness on the equipment, so that the production cost is reduced effectively, and the use is safe and reliable.
Owner:QINGDAO CHENGTIAN WEIYE MACHINERY MFG

Two-section gas nitridation method for surfaces of aluminum and aluminum alloy

The invention relates to a two-section gas nitridation method for the surfaces of aluminum and aluminum alloy. The method comprises a surface oxidation film removing step and a surface nitridation treatment step. The step 1 comprises the following steps of: pre-treating; primarily galvanizing zinc; washing by water; removing zinc; secondarily galvanizing zinc; and drying after water washing. The step 2 comprises the following steps of: exhausting in a furnace, wherein the ammonia resolution ratio is less than 10%; primarily heating to 570-590 DEG C, wherein the ammonia resolution ratio is 15-25%; carrying out one-section nitridation, wherein the furnace temperature is 580-640DEG C, and the ammonia resolution ratio is kept at 15-25%; secondarily heating to 620-640 DEG C, wherein the ammonia resolution ratio is 40-55%; carrying out two-section nitridation, wherein the temperature is 620-640DEG C, and the ammonia resolution ratio is 40-55%; and denitriding, wherein the furnace temperature is 580-640DEG C, and the ammonia resolution ratio is controlled at 70-80%. The two-section gas nitridation method has the advantages that compact oxidation films on the surfaces of aluminum and the aluminum alloy can be effectively eliminated, the nitrogen atom can be preferably infiltrated, the nitridation treatment can be carried out by a common gas nitridation furnace, and the two-section gas nitridation method is low in production cost, simple and easy to operate, wide in adaptability, and good in infiltration layer quality.
Owner:JIANGSU UNIV

Surface three-step nitridation method of aluminium and aluminium alloy

The invention relates to a surface three-step nitridation method of aluminium and aluminium alloy, comprising the following steps: 1, removing surface oxide-films; 2, conducting surface nitridation treatment, wherein the step 1 successively comprises: pretreating, conducting a first zinc immersion, washing, removing zinc, conducting a secondary zinc immersion, and washing and drying; and the step 2 successively comprises: discharging oxygen, heating up to let the furnace temperature be 300 DEG C, and controlling the ammonia dissociation rate below 10%; heating up to 560-590 DEG C for the first time; nitriding for the first time at the furnace temperature of 560-590 DEG C; heating up to 620-640 DEG C for the second time; conducting secondary nitriding at the furnace temperature of 620-640 DEG C; cooling to let the furnace temperature be 570-600 DEG C; nitriding for the third times at the furnace temperature of 570-600 DEG C; and denitriding at the furnace temperature of 570-600 DEG C. According to the invention, the surface dense oxide-films of aluminium and aluminium alloy can be effectively removed, the infiltration of nitrogen atoms is benefited, and nitridation treatment can be conducted by using a common gas nitriding furnace, thus the production cost is low, the operation is simple, the adaptability is wide, and the infiltrated layer has good quality.
Owner:JIANGSU UNIV

Bridge pier flow goaf reinforcing method

The invention discloses a bridge pier flow goaf reinforcing method which comprises the following steps of 1), determining the range of a pier flow goaf, and driving the continuous steel sheet piles toenclose the flow goaf; 2) determining the scouring depth, and backfilling the sandy soil in the flow goaf to restore the flow goaf to be slightly higher than an original riverbed; 3) driving a vibroflotation high-pressure grouting pile group in the flow gob area; and 4) pulling out the steel sheet piles. According to the method, the reinforcing range of the pier to be reinforced is determined, the steel sheet piles are driven in the to-be-reinforced area to block the water flow, and then the sandy soil is backfilled, then the vibroflotation high-pressure grouting piles are driven into the reinforcing area for solidifying the soil body in the flow goaf. The pile body of the pile can form a composite foundation with a soil body, so that the backfill soil has the higher flow scouring resistance, the regeneration of the flow goaf is effectively avoided, the overall strength of the soil foundation of the the flow goaf is greatly improved, the water flow characteristic can be affected afterthe grouting piles are solidified, the scouring effect of the water flow on the pier can be reduced, and the bearing capacity and the flood-resisting scouring resistance of the pier are greatly improved.
Owner:OCEAN UNIV OF CHINA

An anti-coke clogging device in a dry quenching furnace

The invention relates to a coke plugging prevention device of a dry quenching furnace. A wind cap composed of a small wind cap and a big wind cap is formed in the dry quenching furnace, the wind cap is connected with an air supplying duct arranged in the cone funnel of the dry quenching furnace, a coke plugging prevention device in the dry quenching furnace is arranged at the periphery of the wind cap and comprises blanking crushing bodies, a blanking crushing bracket and unchoking lock chains; the blanking crushing bracket is arranged between the cone funnel of the dry quenching furnace and the air supplying duct, a plurality of blanking crushing bodies are fixed on the blanking crushing bracket, and a plurality of unchoking lock chains overhang below the blanking crushing bracket. The coke plugging prevention device of the dry quenching furnace has the advantages that the compact structure of the coke layer can be broken through the self gravity of the coke layer and the blanking crushing bodies after the coke layer with compact structure contacts the device in the dry quenching furnace, and the unchoking lock chains are used for preventing the coke layer from forming the compact structure again, so that the material can be discharged smoothly, and the harmful effect to the operation control and environment protection emission of the dry quenching furnace main body and the dry quenching furnace system due to the coke collapse phenomenon can be effectively prevented.
Owner:ACRE COKING & REFRACTORY ENG CONSULTING CORP DALIAN MCC

Green cleaning agent for mechanical equipment

The invention discloses a green cleaning agent for mechanical equipment. The green cleaning agent is prepared from the following substances in parts by weight: 20 to 24 parts of triethanolamine, 6 parts of EDTA, 1 to 2 parts of a degreasing agent, 5 to 6 parts of degreasing powder, 8 to 10 parts of a surface conditioning agent, 5 to 17 parts of potassium sulfate, 7 to 9 parts of anhydrous sodium sulfate, 3 to 4 parts of potassium nitrate, 16 to 18 parts of sodium nitrite, 1 part of sodium sulfite, 4 to 5 parts of a dispersing agent, 4 parts of a thickening agent, 1 to 3 parts of flame retardant, 1 to 3 parts of stearic acid, 5 to 6 parts of stearate, 2 to 3 parts of stearamide, 4 parts of silicone oil and 11 to 12 parts of oleamide. The green cleaning agent for the mechanical equipment, disclosed by the invention, has the efficacy of high efficiency and easiness in cleaning; in addition, oil stains and rust spots on the surface of the mechanical equipment can be thoroughly cleaned and secondary formation of the rust spots on the surface of the mechanical equipment can be prevented; besides, the cleaning time can be shortened and the working efficiency is improved; furthermore, the green cleaning agent is a water-soluble cleaning agent, and has low corrosion to the equipment, so that safety and reliability in use are realized; the production cost is effectively reduced.
Owner:李刚

Surface three-step nitridation method of aluminium and aluminium alloy

The invention relates to a surface three-step nitridation method of aluminium and aluminium alloy, comprising the following steps: 1, removing surface oxide-films; 2, conducting surface nitridation treatment, wherein the step 1 successively comprises: pretreating, conducting a first zinc immersion, washing, removing zinc, conducting a secondary zinc immersion, and washing and drying; and the step 2 successively comprises: discharging oxygen, heating up to let the furnace temperature be 300 DEG C, and controlling the ammonia dissociation rate below 10%; heating up to 560-590 DEG C for the first time; nitriding for the first time at the furnace temperature of 560-590 DEG C; heating up to 620-640 DEG C for the second time; conducting secondary nitriding at the furnace temperature of 620-640 DEG C; cooling to let the furnace temperature be 570-600 DEG C; nitriding for the third times at the furnace temperature of 570-600 DEG C; and denitriding at the furnace temperature of 570-600 DEG C. According to the invention, the surface dense oxide-films of aluminium and aluminium alloy can be effectively removed, the infiltration of nitrogen atoms is benefited, and nitridation treatment can be conducted by using a common gas nitriding furnace, thus the production cost is low, the operation is simple, the adaptability is wide, and the infiltrated layer has good quality.
Owner:JIANGSU UNIV
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