36results about How to "Non-destructive properties" patented technology

The invention relates to the technical field of nanometer materials, and particularly discloses a preparation method for heteropoly acid functional composite material adopting a dopamine modified carbon nano tube as a carrier. The preparation method comprises the following steps: first, utilizing dopamine to generate oxypolymerization reaction in a Tris-HC1 buffer solution at the room temperature to modify the surface of a carbon nano tube to obtain a poly-dopamine modified carbon nano tube; then adopting an impregnation method to load heteropoly acid on the surface of the poly-dopamine modified carbon nano tube; reacting for certain time so as to obtain the heteropoly acid loading dopamine modified carbon nano tube composite material finally. The preparation method is conducive to realizing uniform and directional loading of heteropoly acid on one hand, improves the utilization ratio and the application range of the carbon nano tube on the other hand, is simple in steps and low in cost, can be reused, and has potential application prospect in the fields of fuel cells, sensors, electric coloration devices and the like.

The invention relates to a triad integration freckle-removing functional nano cream for skin external use and a method for preparing the same. The three types (night use type, daytime use type and auxiliary type) freckle-removing nano creams improve and optimize a novel international passive target transdermal drug delivery system (TDDS) as a carrier, and organically combine and solubilize freckle-removing functional components with different biological efficacies, action ways and physical and chemical properties to form a good mutual aid synergic function system which has remarkable effect of controlling and relieving colored patches (such as chloasma, inflammatory pigmentation, sunburn, and the like) caused by abnormal facial metabolism of pigment. The product has the advantages of tiny particle sizes of spherical particles, obvious passive target function, excellent adaptability, homodromous property, fluidity and dispersion, strong penetrability, even texture, subtleness, lubricity and luster, is simple and convenient to use, and is comfortable without pungency and side effects; besides, the appearance is light yellow with slight opalescence, is glittering and translucent, clear and transparent, sticky but not viscous, thick but not dense, and oily but not greasy, has good stability, excellent curative effect, short industrialization cycle and high production efficiency, saves time, materials and energy sources, dose not need special devices and heat energy, and is easy for popularization and application.

The invention relates to a pyrolysis remediation method of chromium-containing soil, which comprises the following steps of: selecting dewatered sludge or other organic matter of an urban sewage treatment plant as reducer, mixing chromium-containing soil and the organic matter by a certain ratio, feeding into an electrical furnace, and carrying out reductive pyrolysis reaction in reducing atmosphere. The method can detoxicate contaminated soil at high efficiency without destroying the basic structure and the property of the soil, and has the advantages of short pyrolysis time, sufficient utilization of other organic wastes such as the excess sludge of the sewage plant, and significant economical and environmental effects.

The invention discloses a production process of decaffeination tea, which is characterized in that a supercritical carbon dioxide extraction method is utilized for producing the decaffeination tea, water is added into the supercritical carbon dioxide for preparing entrainers, 90 percent of caffeine in the tea can be extracted in a short time at a low temperature, the fragrance and tea polyphenol in the tea can be effectively protected, and the invention has the characteristics of high emersion rate, short extraction period, pure natural effect, no pollution and the like.

The invention provides a method for high-efficiency separation of palladium from a silver electrolyte. The method comprises the following steps: allowing the mass volume concentration of free nitric acid in the silver electrolyte to accord with requirements and heating the silver electrolyte; weighing a high-efficiency palladium removing agent, adding the high-efficiency palladium removing agent into the heated silver electrolyte and successively carrying out a reaction with stirring and vacuum filtration so as to obtain a palladium-removed liquid and a palladium complex; washing the palladium complex; adding the palladium-removed liquid into a silver electrolytic tank and carrying out silver electrolysis so as to obtain silver powder; when the mass volume concentration of palladium in a solution in the silver electrolytic tank is more than or equal to 0.4 g / L, separating palladium from the solution and returning palladium-removed liquid to the procedure of silver electrolysis for refining and cyclic utilization; and when the concentrations of a variety of other impurity ions in the solution in the silver electrolytic tank exceed prescribed limits of the silver electrolyte, extracting out the silver electrolyte, separating palladium out and carrying out treatment of a waste silver electrolyte. With the method, high-efficiency high-selectivity one-step separation of palladium from a complex silver electrolyte can be realized, the deposition rates of metals like silver and copper are extremely low, properties of the solution are not destroyed, the solution can be returned to the silver electrolytic tank for cyclic utilization, and purifying and palladium removal efficiency of the electrolyte can be improved.

The invention discloses a method for utilizing sorghum bicolor to restore caesium-contaminated soil, and belongs to the technical field of environment plant restoration. The method comprises: planting sorghum bicolor in caesium-contaminated soil, and after sorghum bicolor is mature, harvesting the overground part or integrally moving sorghum bicolor away, so as to reach the purpose of restoring caesium-contaminated soil. Energy-plant sorghum bicolor is high in biomass and strong in adaptability, the growth of sorghum bicolor is not influenced by caesium contamination, and the caesium content accumulated at the overground part of sorghum bicolor is higher than the caesium content accumulated at the roots. The method is friendly to environment, simple in operation and technology, convenient in manage, low in cost and good in restoration effect, provides a new choice for effective treatment of radioactive contaminated soil, and is applicable to the field of treatment on heavy-metal contaminated soil.

The invention relates to a disc type soil drying device for a soil sample collecting and pre-processing device. Compared with the prior art, the defect that no soil drying device exists in the prior art is overcome. The disc type soil drying device is characterized in that a disc type base is fixedly arranged above a fixed disc; the disc type base is provided with a disc type drying mechanism through a thrust bearing; an axial center line of the disc type drying mechanism is coincided with an axial center line of a center shaft; a slotted hole position line is arranged on the circumference of the circle center of the disc type drying mechanism; a plurality of slotted holes are uniformly formed in the slotted hole position line; the slotted hole position line of the disc type drying mechanism is positioned under a blanking opening of a conveyor belt; a cover plate is fixedly arranged above the disc type drying mechanism and is fixedly arranged at the upper end of the center shaft; an inner ring of a slip-ring brush is fixedly arranged on the cover plate. According to the disc type soil drying device disclosed by the invention, drying operation can be carried out on soil, the original property of the soil cannot be damaged, the soil can be efficiently dried, the labor intensity of a worker can be reduced, and the labor production efficiency is increased.

The invention discloses a bolt bonding surface real contact area measurement method and device, the device comprises a support box base, a lower test piece is fixed to the support box base, an upper test piece is connected with the lower test piece through a bolt, a through hole is arranged in the support box base, a plurality of nano-scale optic fiber displacement sensors are arranged in the through hole, the nano-scale optic fiber displacement sensors are connected with the lower test piece through regulating components, the top parts of the nano-scale optic fiber displacement sensors passes through the lower test piece and are connected with a bonding surface of the upper test piece and the lower test piece, and the bottom parts of the nano-scale optic fiber displacement sensors are connected with a computer through a signal acquisition system. According to the invention, nano-scale optic fiber displacement sensors are adopted to perform a bolt bonding surface real contact area measurement test under pretension loading, and a test of bolt bonding surface predeformation varying with pretension loading can be performed at the same time.

An antistaling method for fresh beef includes such steps as low-temp. discharging acid, cutting, spraying water-preserving agent and natural antioxidizing agent on the surface, vacuum packaging, low-power microwave sterilizing and storing it at 0-4 deg.C. Its advantages are long storage time (more than 3 months) and high antistaling effect.

The invention provides a spinal cord micro-catheter stent fast to form. The spinal cord micro-catheter stent comprises a micro-catheter stent body in an elliptic cylinder shape. A hollow area used for allowing corticospinal tracts, fasciculus gracilis, fasciculus cuneatus and spinothalamic tracts to grow is arranged in the micro-catheter stent body. The outer diameter of the spinal cord micro-catheter stent body is 2.5 mm-3.5 mm, and the wall thickness of the micro-catheter stent body is 0.1 mm-1.0 mm. The size and the microscopic structure of a model are designed according to the electrophysiology structure and the exquisite position of natural nerves of the spinal cord, the low-temperature fast forming printing technology is adopted for accurately printing the fine structure of a patient, and the stent can be used for treatment and research on spinal cord injuries.

The invention provides a pipe bending device. The pipe bending device comprises a working table and a fixing base and a pipe bending assembly, wherein the fixing base and the pipe bending assembly are fixedly arranged on the working table. The pipe bending assembly comprises a U-type connecting member arranged transversely, a first idler wheel and a second idler wheel, wherein the first idler wheel and the second idler wheel are horizontally arranged in an inner cavity of the U-type connecting member, and a gap allowing a steel pipe to be bent to penetrate is formed between the first idler wheel and the second idler wheel. One end of a handle penetrates through a base plate of the U-type connecting member and is inserted into and abuts against the outer surface of the first idler wheel, a zigzag type reinforcing plate is arranged at the tail end of the U-type connecting member, a first pin shaft penetrates through the U-type connecting member and the first idler wheel from top to bottom in sequence and then is fixed by a first nut, and a second pin shaft penetrates through the reinforcing plate, the U-type connecting member, the second idler wheel and the working table from top to bottom in sequence and then is fixed by a second nut. The pipe bending device is reasonable in structure, firm, practical, simple in operation and capable of conducting on-site actual matching of bending shapes of different angles on thin-wall stainless steel pipes, the material characteristics of the thin-wall stainless steel pipes are not damaged, and using performance of the thin-wall stainless steel pipes is enhanced.

The invention provides a high-simulation collagen spinal cord stent for people. The stent comprises a stent body, and the stent body is internally provided with hollow regions used for growing spinal grey matter, fasciculus gracilis, fasciculus cuneatus, tractuscorticospinalislateralis, tractusrubrospinalis, a reticulospinal tract, a lateral spinothalamic tract, a spinotectal tract, a reticulospinal tract, a direct pyramidal tract and a central canal. The vertical diameter of the stent body is 1.2-1.8 cm, the transverse diameter of the stent body is 1.4-1.8 cm, and the height of the stent body is 2.0 mm-8 cm. The stent body is made of collagen. According to the high-simulation collagen spinal cord stent for people, the main anatomical structure and the spatial relationship of thoracolumbar horizontal spinal segment white and grey matter of people are established, the stent is used for improving nerve directional and orderly connection after spinal cord injury, and rapid repair is promoted after spinal cord injury of people.

The invention relates to a method for restoring cadmium pollution soil by combining aspergillous sydowii with brassica juncea, and belongs to the technical field of microorganisms. The aspergillous sydowii is preserved in CGMCC (China Center of Industrial Culture Collection) on February 5, 2018; the address is No. 3, No. 1 yard, Beichen West Road, Chaoyang District, Beijing. The preservation number is CGMCC No.15385. The invention provides the method for restoring cadmium pollution soil by combining aspergillous sydowii with brassica juncea. By using the method for restoring the heavy metal cadmium pollution soil, the advantages of high economic efficiency, no secondary pollution, landscape beautification the like can be realized.

The invention relates to the technical field of machining of plastic plates and a plastic plate manufacturing method, in particular to an arc-shaped plate and a machining process thereof. The arc-shaped plate is a plastic plate which is machined by a planar plate originally and has a radian, and pattern layers are arranged on a front side and a back surface of the plastic plate. The manufacturing method of the arc-shaped plate comprises the following steps of: cutting the plate, performing surface treatment (comprising but not limited in screen printing or oil injection and the like) on the front side or the back surface, performing surface treatment on the patterns on a bottom plate, fixing the patterns in a mold, and heating and baking for 60 to 180 minutes; and cooling, cutting and molding according to a needed shape, and performing corner treatment and reshaping. By the machining process, the original characteristics of the plate are not broken, the advantages of high hardness, scratch resistance, high transparency and the like are kept, and all advantages of plane printing can be realized only by performing surface treatment on graphics with different effects according to requirements before the plate is bent into the needed shape.

The invention discloses an additive formula of medicinal and food homologous food for dispelling toxoplasma gondii. The additive formula comprises the following raw materials in percentage by weight:19% of rhizoma polygonati, 11% of fructus lycii, 6% of liquorice root, 4% of honeysuckle flower, 19% of Chinese yam rhizome, 7% of fructus hippophae, 19% of fructus crataegi, 4% of herba portulacae, 3% of kelp, 4% of radix angelicae, 4% of semen hoveniae. By eating food added with the additive formula of medicinal and food homologous food and using the habit of the toxoplasma gondii, the toxoplasma gondii is dispelled from cells through reducing the activity of the toxoplasma gondii, and the toxoplasma gondii is dispelled from human body in a way of discharging out of the human body through self metabolic function of the human body, therefore solving various problems in general population caused by infection of the toxoplasma gondii and meeting the actual application requirements.

The invention discloses a vent hole blocking device for a cigarette filter. The vent hole blocking device is characterized by comprising a base and a vertical plate fixed on the base, wherein the vertical plate is provided with a revolving shaft for assembling an adhesive tape, and an arc-shaped cigarette limiting sleeve for clamping the cigarette filter; the inner diameter of the arc-shaped cigarette limiting sleeve is the same as the diameter of the cigarette filter; one side of the revolving shaft is provided with a horizontal guide rail and an inclined surface guide rail which is connected with the horizontal guide rail and bent downwards; the tail end of the inclined surface guide rail is tangential to the inner ring surface of the arc-shaped cigarette limiting sleeve on the vertical plate; the bottom surface of the inclined surface guide rail which is tangential to the arc-shaped cigarette limiting sleeve is provided with a cutting blade through a spring resetting mechanism; and the cutting edge surface of the blade is vertical to the inclined surface guide rail. The vent hole blocking device has the advantages of simple structure, high practicability and low cost, the aim of blocking a vent hole at 100 percent by uniformly winding the cigarette filer with the adhesive tape conveniently and rapidly is fulfilled, the property and the uniformity of a tested sample are not damaged, and cigarettes are not required to be treated specially.

The invention relates to a preparation method of a verapamil hydrochloride sustained release microsphere. The preparation method mainly comprises the three major steps of preparation of raw materials, preparation of microsphere forming auxiliary materials and preparation of a sustained release microsphere. A low-temperature spray drying method is adopted, so that the characteristics of a drug are not damaged, the preparation can be completed in one step, the operation is convenient, fast and economical, and the method is suitable for large-scale industrial production. The invention further relates to the verapamil hydrochloride sustained release microsphere prepared with the method.

The invention discloses formula wine for repelling toxoplasma gondii. The formula wine is prepared from the following raw materials by weight percent: 19% of rhizoma polygonati, 11% of wolfberry fruits, 6% of liquorice, 4% of honeysuckles, 19% of Chinese yams, 7% of sea-buckthorns, 19% of haws, 4% of herba portulacae, 3% of kelp, 4% of radix angelicae, 4% of raisin tree seeds and raw stock pure grain white wine. By drinking the wine in a certain rule, the toxoplasma gondii is expelled from cells by reducing the activity of the toxoplasma gondii by virtue of the habit of the toxoplasma gondii and is then expelled from a human body through the metabolism mechanism of a human body, so that various problems of the general population induced by the infection of the toxoplasma gondii are solved,and the formula wine meets the practical use requirements.

The present invention relates to the borosilicate system filament glass batch composition having the mixture between the glass frit generated in the commercial production process of the glass for the thin-film transistor liquid crystal display (TFT-LCD) and the waste glass generated in the commercial production process of the liquid crystal display panel as the raw material of the borosilicate system filament glass, more specifically, provides the batch composition of the borosilicate system filament glass which includes the mixture of the waste glass and thin-film transistor liquid crystal display glass frit 14-220 parts by weight as to the borosilicate system filament glass batch composition among the batch composition about 100 parts by weight of limestone and it does so that for the weight ratio which the waste glass occupies in the mixture of the waste glass and glass frit is 1:0.05-9, or relative to 100 parts by weight of limestone, the batch composition comprises 29-400 by weight parts of mixture of the cullet and waste glass, wherein the weight ratio between the cullet and the waste glass in the mixture is 1:0.05-9. The cullet and the waste glass are alkali-free aluminum oxide borosilicate glass which is used on a glass substrate for a TFT of a liquid crystal display device. Therefore, generation amount of waste can be reduced. Furthermore an effect of reducing cost and fusion energy of an ingredient composition is realized.

The invention provides a D-ribose concentration apparatus and process for overcoming deficiencies. The process includes three steps of 1 pre-concentration of membrane-treated D-ribose liquid through reverse osmosis, 2 second concentration with a falling film evaporator and 3 final concentration through heat cycle in vitro with a single effect evaporator. The D-ribose concentration apparatus and process can effectively avoid local burnt ribose due to high steam heating temperature, avoid destroying characteristics of D-ribose, effectively control the quality of D-ribose products, be explosion proof or capable of avoiding high temperature operating area, and has the advantages of being easy to control, less in heat loss, high in thermal efficiency and remarkable in energy-saving effects.

The invention provides cleaning degerming cream for glasses lenses. The cream comprises the following components, by weight part, 15-20 parts of ethylene oxide, 100-150 parts of absolute ethanol, 12-19 parts of China roses, 5-7 parts of potassium dihydrogen phosphate and dipotassium hydrogen phosphate, 3-5 parts of glycerin, 2-5 parts of a detergent and 2-5 parts of an antifoaming agent. The cleaning degerming cream is neural, safe and non-toxic, is good in dirt removal capability, can effectively kill bacteria, and causes no damage to a product.

The invention relates to a preparation method of a verapamil hydrochloride sustained release microsphere. The preparation method mainly comprises the three major steps of preparation of raw materials, preparation of microsphere forming auxiliary materials and preparation of a sustained release microsphere. A low-temperature spray drying method is adopted, so that the characteristics of a drug are not damaged, the preparation can be completed in one step, the operation is convenient, fast and economical, and the method is suitable for large-scale industrial production. The invention further relates to the verapamil hydrochloride sustained release microsphere prepared with the method.

The invention relates to the technical field of atomization suction auxiliary device, in particular an aerosol inhalation aid for children, includes a first housing and a second housing, characterizedin that: the side surfaces of the first housing and the second housing are provided with viewing windows, a battery compartment is provided above the interior of the first housing, an atomizing tankis arranged on the inner bottom surface of the first housing, a heating chamber is arranged on one side of the atomization tank, a plurality of heating tubes are arranged inside the heating chamber, an inlet pipe is connected to the bottom of the atomization tank, a mask connecting pipe is connected to that side of the atomize tank away from the heating chamber, a side outer wall of the first housing adjacent to the mask connecting tube is provided with an opening. The invention has the advantages of simple structure, convenient use, reducing noise stimulation, alleviating the fear of the child, and the heating cabin can be used or not, so that the temperature of the liquid medicine can be kept in an effective temperature range when the liquid medicine is used, and the property of the liquid medicine is not destroyed, the cold feeling of the child is not allowed, and the uncomfortable feeling is avoided.

The invention relates to the technical field of food processing, in particular to a preparation method of health-care dietary fiber meal replacement powder. The health-care dietary fiber meal replacement powder is prepared from the following raw materials in parts by mass: 20-40 parts of soybeans, 20-60 parts of flammulina velutipes, 5-10 parts of sea-buckthorn, 5-10 parts of passion fruits, 1-5 parts of compound probiotics and 3-15 parts of a flavoring agent. The prepared meal replacement powder has good swelling and digestion promoting effects, can inhibit fat absorption of a human body, and has the effects of good taste, strong satiety, balanced nutrition, dietary fiber and health care.

The object of the present invention is to provide a kind of D-ribose enrichment device and technique aiming at the defects mentioned above. The technological process is divided into three steps: ① pre-concentration of D-ribose solution after membrane treatment by reverse osmosis, ② secondary concentration by falling film evaporator, ③ final concentration by extracorporeal thermal circulation method by single-effect evaporator. It can effectively avoid local caramel or glucose phenomenon caused by high steam heating temperature; it does not destroy the characteristics of D-ribose, and can control the quality of D-ribose products more effectively. It is also suitable for explosion-proof or high-temperature operation areas; it is easy to use Control, less heat loss, high heat utilization rate, remarkable energy-saving effect.

The invention relates to the technical field of separation of precious metal in solutions, in particular to a method for removing palladium from a silver electrolyte by using a multifunctional silica gel adsorbent. The method comprises following steps that (1) the multifunctional silica gel adsorbent is obtained; (2) adsorption is carried out, wherein the multifunctional silica gel adsorbent is added into the silver electrolyte to carry out stirring adsorption treatment, components of the silver electrolyte comprise 25 g / L-250 g / L of silver, 0.005 g / L-1 g / L of palladium, 0 g / L-40 g / L of copper and 1 g / L-15 g / L of nitric acid, and the addition amount of the multifunctional silica gel adsorbent is 0.5 g / L-100 g / L; (3) analyzing is carried out; and (4) regenerating is carried out. According to the method for removing palladium from the silver electrolyte by using the multifunctional silica gel adsorbent, efficient selective adsorption of palladium can be achieved, and in the silver electrolyte with the silver content being 25 g / L-250 g / L and the palladium content being 0.005 g / L-1 g / L, the adsorption rate of palladium reaches 99% or above, and the adsorption rate of silver is 0%.

The invention relates to a preparation method of a SiO2@CdTe@Au nanocomposite. The SiO2@CdTe@Au nanocomposite mainly comprises silicon dioxide spheres, CdTe quantum dots and Au nanoparticles. According to the nanocomposite, bare silicon dioxide spheres adsorbs a layer of polydiene dimethyl ammonium chloride solution at first, then adsorbs the CdTe quantum dots, then adsorbs a layer of a solution prepared from poly(sodium 4-p-styrenesulfonate), adsorbs a layer of the polydiene dimethyl ammonium chloride solution next, and finally adsorbs the Au nanoparticles. According to the nanocomposite prepared by the method, the CdTe quantum dots and the Au nanoparticles can be firmly adsorbed on the silicon dioxide spheres, thereby obtaining the nanocomposite with optical and nonlinear optical characteristics.