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71results about How to "High number of reuses" patented technology
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Purification process for preparing high-purity coenzyme Q10
ActiveCN101987815AImprove adsorption capacitySimple and fast operationQuinone separation/purificationDesorptionSolvent
The invention relates to a purification process for preparing high-purity coenzyme Q10 from crude coenzyme Q10 extracts obtained from thallus fermentation, which belongs to the technical field of compound separation purification. The purification process is characterized by sequentially comprising the following steps of: carrying out adsorbent resin adsorption, elution, concentration, crystallization and recrystallization on the crude coenzyme Q10 extracts; then, carrying out chromatography on a silicagel column; and purifying and refining by using a petroleum ether -aether or normal hexane-ethyl acetate mixed solvents as eluant. The invention has the following advantages that by adopting an adsorbent resin, good adsorption performance can be exerted on the coenzyme Q10, the desorption operation is simple, the stability is good, and the adsorbent resin can be reused many times; and by combining the adsorbent resin with the silica gel chromatography method, the silica gel utilization rate is high, the required silica gel is low quantity and can maintain good purification effect after being reused more than 10 times, the waste quantity of the silica gel is small, and the solvents can be recycled so that the purpose of environment protection is achieved. The production operation is simple and convenient, and the purity of the obtained coenzyme Q10 is higher than or equal to 98 percent.
Owner:EAST CHINA UNIV OF SCI & TECH +1
Non-groove rolling method for high speed wire bar intermediate rolling train
InactiveCN101152654AImprove work rateImprove productivityRoll force/gap control deviceTemperature control deviceReduction rateWire rod
The invention discloses a non-groove rolling method for high speed wire rod roughing mill group and mainly solves rolling technical problem of the high speed wire rod roughing mill group. The non-groove rolling method comprises two pass non-groove rolling, four pass non-groove rolling or six pass non-groove rolling; the ratio of height and width of the rolling component is 0.90 to 1.58, reduction rate of pass is 15 percent to 45 percent, rolling temperature is 1000 celsius degree to 1100 celsius degree, the adaptation range of blank is 120*120mm to 180*180mm, and the absolute spread coefficient range is 0.25 to 0.45. The invention adopts a pass-free flat roller to replace a rough rolling pass roller of the prior art and realizes non-groove rolling of the high speed wire rod roughing mill group. The invention aims to provide the non-groove rolling method for the high speed wire rod roughing mill group adopting the flat roller to replace the rough pass roller, meanwhile, decreasing production cost, improving product quality and productivity of the mill and expanding the adaptation range of blank.
Owner:BAOSHAN IRON & STEEL CO LTD +1
Preparation method of immobilized beta-glucosidase
The invention discloses a preparation method of immobilized beta-glucosidase in the field of enzyme preparations. According to the method, fructose is adopted as a pore-foaming agent, and the immobilized beta-glucosidase is prepared through the tetraethoxysilane hydrolysis reaction sol-gel method. Different immobilized beta-glucosidase samples are prepared by adding fructose water solutions with different concentrations and beta-glucosidase of different dosages. For the obtained immobilized beta-glucosidase, the invalid adsorption in the enzymolysis process of cellulose can be avoided, so that the enzymolysis conversion efficiency of cellulose is obviously improved, the immobilized enzyme has the advantages of good mechanical strength and multiple times of recycling, and the hydrolysis and saccharifying costs of cellulose are reduced.
Owner:PETROCHINA CO LTD
Yttrium aluminum garnet laser crystal doped growth device, crystal growth furnace and preparation method thereof
ActiveCN104313693AImprove Optical UniformityImprove the ability to resist infrared heat radiationPolycrystalline material growthBy pulling from meltYttrium Aluminum Garnet LasersThermal insulation
The invention discloses an yttrium aluminum garnet crystal doped growth device, a crystal growth furnace and a preparation method thereof, and belongs to the field of laser crystal preparation. The growth device includes a crucible, a thermal insulation cylinder arranged outside the crucible, a copper crucible induction arranged outside the thermal insulation cylinder and a seed crystal rod passing though the thermal insulation cylinder and extending into the crucible. The bottom of the thermal insulation cylinder is provided with a through hole for introducing nitrogen to the bottom of the crucible; the crucible is tungsten crucible or molybdenum crucible; and the thermal insulation cylinder is made of carbon doped boron nitride ceramics. Through the use of tungsten or molybdenum crucible, production cost is lowered; the carbon doped boron nitride ceramic thermal insulation cylinder carries out heat preservation on the crucible to prevent oxidation of tungsten or molybdenum at high temperature, so as to further reduce the production cost; and the through hole arranged at the bottom of the crucible and the thermal insulation cylinder is used to introduce flowing cooling high pure nitrogen into the bottom of the crucible in the cooling process, and air cooling is used to form an undercooling area at the bottom of the crucible, so as to improve the service life of the crucible and reduce the growth cycle.
Owner:北京雷生强式科技有限责任公司 +1
Method for preparing supported type photocatalyst by ionic imprinting method
InactiveCN104353501AHigh predictabilityEasy to identifyWater/sewage treatment by irradiationOrganic-compounds/hydrides/coordination-complexes catalystsPhysical chemistrySewage treatment
The invention discloses a method for preparing a supported type photocatalyst by an ionic imprinting method. The preparation process comprises the following steps: (1) preparing hydroxyapatite powder; (2) preparing TiO2 sol; (3) coating the hydroxyapatite powder with the TiO2 sol to obtain TiO2 / hydroxyapatite; and (4) adding heavy metal ion chitosan liquid to coat TiO2 / hydroxyapatite to obtain the chitosan / TiO2 / hydroxyapatite composite photocatalyst. Degradable chitosan and environment-friendly hydroxyapatite are selected in the aspect of application of raw materials, secondary pollution cannot be caused, and the environment-friendly effect is achieved; and certain heavy metal ions are introduced into the supported type photocatalyst by the ionic imprinting method, and therefore, the sewage treatment effect is improved obviously.
Owner:JIANGSU UNIV OF SCI & TECH
Process method for carrying out integral soldering on armature
InactiveCN102837094AImprove solder qualityImprove adhesionSoldering apparatusTinningTemperature control
The invention relates to a process method for carrying out integral soldering on an armature. Before the armature is subjected to integral soldering, a commutator pre-tinning process is added; a spiral wound gasket is used for replacing an asbestos cord; the spiral wound gasket is placed between a tin pan and the armature; the tin pan is made of titanium alloy; and a PID (Proportion Integration Differentiation) intelligent control instrument is adopted to carry out temperature control and maintenance. The commutator pre-tinning process is designed from the economy, the practicality and the manufacturability and takes an important effect in the process method for carrying out integral soldering on the armature. After the pre-tinning is carried out, the reliability of the integral soldering of the armature is improved, the pseudo soldering and the missing soldering are avoided, the repair rate of the armature is reduced and the motor quality is fundamentally improved. According to the method, the armature soldering efficiency is improved for dozens of times; the temperature control and constant temperature effects are good; the liquidity of molten tin, the welding strength and the welding reliability are improved; and the integral soldering quality of the armature is improved.
Owner:JIANGLU MACHINERY & ELECTRONICS GROUP
Pavement concrete channel steel forming formwork
ActiveCN102776826AEasy to remove formworkHigh number of reusesRoads maintainenceConcave surfaceRoad surface
The invention provides a pavement concrete channel steel forming formwork which comprises a channel steel and a triangular support, wherein the triangular support is connected with the steel channel through a sleeve welded on the concave surface of the channel steel; the other end of the triangular support is connected with a straight sleeve; an inserting rib is arranged in the straight sleeve; formwork joint sleeves are arranged at two ends of the channel steel; and joint inserting pins are arranged in the formwork joint sleeves. According to the steel channel forming formwork for pavement concrete construction, the formwork is convenient to build and remove; and the steel channel forming formwork can be repeatedly utilized, has low cost, and is beneficial to control the forming quality of the concrete.
Owner:SINOHYDRO BUREAU 14 CO LTD
Protein product reuse method
InactiveCN104725464AHigh number of reusesIncrease concentrationPeptide preparation methodsPolyethylene glycolChemistry
The invention relates to a protein product reuse method. The method includes the steps of: conducting PEG (polyethylene glycol) modification on protein, when the activity decreases and the product is out of the period of validity, subjecting the product to thorough denaturation treatment, and performing refolding. The method provided by the invention has the advantages of enhancing the times of reutilization and reducing the cost. Also, in the refolding step, the concentration and the success rate of renatured protein can be effectively improved. The method has the advantages of simple process, no special additive requirement, and low cost, can be used for reuse of protein products in daily chemical, industry and other aspects so as to deal with harsh working conditions and higher cost reduction demand.
Owner:INSITUTE OF BIOPHYSICS CHINESE ACADEMY OF SCIENCES
Method for directly recycling and reusing fracturing flow-back fluid
The invention discloses a method for directly recycling and reusing a fracturing flow-back fluid. The method comprises the following steps that settling and sand removing are carried out, wherein a settling tank is used for removing a propping agent and mechanical impurities in a fracturing flow-back fluid, and then the treated fracturing flow-back fluid is poured into a tank for storage; sterilization and preservation are carried out, wherein a bactericide is added into a liquid storage tank for inhibiting bacterial reproduction; flocculating and shielding are carried out, wherein a flocculating shielding agent is added before liquid preparation for shielding metal high-valence ions; the pH value is adjusted for facilitating the tackifying of a thickening agent under a weak acidic condition; then additives such as the thickening agent, a discharge aiding agent, a clay stabilizer and the like are sequentially added according to a design formula; circulation is carried out for 5-10min for forming a base solution; a cross-linking agent is added in a construction process for forming a gel; a gel breaker is added in a construction last period; after fracturing is completed, a well is closed for discharging; and the fracturing flow-back liquid is recycled and utilized repeatedly and circularly. According to the treatment method, the safety and environmental protection pressure caused by large-scale fracturing of oil fields can be effectively relieved, water resources are saved, and the economic benefits and social benefits are remarkable.
Owner:PETROCHINA CO LTD
Magnetic immobilized yeast cell and application thereof to synthesis of ethyl R-4-chloro-3-hydroxybutyrate
ActiveCN110938620AEasy to recycle and reuseShort reaction timeFungiMicroorganism based processesButyric acidFreeze dry
The invention discloses a magnetic immobilized yeast cell and an application thereof to synthesis of ethyl R-4-chloro-3-hydroxybutyrate. The magnetic immobilized yeast cell is prepared through the steps of performing ultrasonic dispersion on Fe3O4 magnetic granules and an amino acid aqueous solution, performing recovery and precipitation with an external magnetic field, washing the precipitate, and then performing freeze-drying so as to obtain amino acid modified magnetic nanometer particles; and performing vibration and uniform mixing on the amino acid modified magnetic nanometer particles, yeast cell freeze-dried powder and a phosphoric acid buffer salt solution so as to obtain the magnetic immobilized yeast cell. According to the magnetic immobilized yeast cell disclosed by the invention, vibration and stirring are not needed to promote mass transfer, so that the reaction time can be significantly shortened, the COBE transformation efficiency can be greatly improved, and the magnetic immobilized cells can be repeatedly recycled. After the magnetic immobilized yeast cell is reused for 13 times in an alternating magnetic field, the conversion rate is still 99.8%, and compared withthe recycling number of times of the magnetic immobilized yeast cell in in a shaking table, the recycling number of times of the magnetic immobilized yeast cell in the alternating magnetic field is increased.
Owner:ZHEJIANG UNIV OF TECH
Combined type exhibition board easy to assemble and disassemble and manufacturing method thereof
ActiveCN104083023ALight structureReduce weightWallsShow shelvesMechanical engineeringIndustrial engineering
Owner:QUFU HUALONG EXHIBITION CO LTD
Cultivating method for Antrodia
InactiveCN107047057AHigh medicinal valueEasy to reuseCultivating equipmentsMushroom cultivationSaline waterGrowth height
The invention relates to the technical field of the artificial cultivation of the Antrodia and in particular to a cultivating method for Antrodia. The method comprises a process of preparing basswood, a process of fermenting strains, a process of cultivating and a process of harvesting. The process of preparing basswood comprises the steps of selecting Cinnamomum kanehirai row wood, slicing, drying in the sun, soaking by saline and sterilizing. The process of fermenting strains comprises the steps of implanting and cultivating. The process of cultivating is carried out in a cultivation room with the specific temperature and humidity. While the growth height of the Antrodia sporocarp on the surface of the Cinnamomum kanehirai wood pieces is 2-2.5 cm, the Antrodia sporocarp is obtained by harvesting. The triterpenes content of the Antrodia molecular structure of the Antrodia cultivated by using the method achieves to the content of the natural Antrodia, the problem of the cultivating method of artificial non-camphorwood that although the content of the triterpenes is approximate, but the molecular weight of the high-molecular compound is tens of times can be overcome, and the pharmacological function is improved manyfold.
Owner:东莞市瑞全生物科技有限公司
Novel automatic-recovery circuit safety device based on styrene maleic anhydride (SMA) thermal elastic material and working process of device
ActiveCN105551903ARealize self-recovery functionShort response timeProtective switch operating/release mechanismsWorking environmentPhase state
The invention discloses a novel automatic-recovery circuit safety device based on a maleic anhydride (SMA) thermal elastic material and a working process of the device. The device comprises a current supply circuit, an alarm circuit and an automatic-recovery circuit safety switch, wherein the safety switch comprises a Ti54Ni34Cu12 shaped memory alloy wire, a fastening screw, a sliding sheet, a pre-loading spring, a current supply circuit conversion contact, an alarm circuit conversion contact, an insulation guide rail, a metal fixing clip, a primary wire and a contact conversion guide rail. By means of phase state conversion of the Ti54Ni34Cu12 with TW-SME between a low-temperature state and a high-temperature state, the timely switching between the current supply circuit and the alarm circuit is achieved. The novel automatically-recovered circuit safety device has the advantages of automatic-recovery overcurrent protection, short response time and instantaneous warning, and is convenient to install, the circuit still can be protected after the safety switch is failure, and the requirement on a working environment is relatively low; and the novel automatically-recovered circuit safety device is suitably used for various large-, medium- and small-sized industrial / civil building systems.
Owner:XI AN JIAOTONG UNIV
Tool type safety protective fence structure
ActiveCN112227826AReduce volumeNo secondary pollutionFencingArchitectural engineeringStructural engineering
The invention relates to the field of protective fences, and discloses a tool type safety protective fence structure. The tool type safety protective fence structure comprises a fence defining a circumferential closed structure, the fence comprises a plurality of fence units and stand columns, the fence units are detachably connected through the stand columns, oblique tensioning ropes are connected between opposite angles of a local reinforcing structure formed by the fence units and the stand columns, and the oblique tensioning ropes between the two opposite angles of the local reinforcing structure intersect with each other; and the fence is further provided with horizontal tensioning ropes, and the horizontal tensioning ropes are arranged in the circumferential direction of the fence toform a closed loop. According to the tool type safety protective fence structure, the inclined and horizontal flexible tensioning ropes are adopted for reinforcement, the reinforcing effect of a three-dimensional symmetrical geometrical shape is generated, and the mechanical strength and safety of a protective fence are improved while convenient disassembly and assembly are guaranteed; and colorsteel tiles are installed through a tile pressing device, the requirement that the whole use process of the color steel tiles is complete and lossless can be met, and the requirements of zero pollution and environmental protection of construction waste in a standard construction site are met.
Owner:CHINA 19TH METALLURGICAL CORP
Purification process for preparing high-purity coenzyme Q10
ActiveCN101987815BImprove adsorption capacitySimple and fast operationQuinone separation/purificationDesorptionSolvent
Owner:EAST CHINA UNIV OF SCI & TECH +1
Liquid silicone rubber for artificial leathers
The invention discloses a liquid silicone rubber for artificial leathers. The liquid silicone rubber for the artificial leathers consists of the following components in parts by weight: 100 parts of vinyl silicone oil, 15-50 parts of white carbon black, 1-10 parts of cross-linking agent, and 0.05-2 parts of platinum complex, 0.01-5 parts of inhibitor, 0-20 parts of color paste, 0-10 parts of chainextender, and 1-20 parts of mold release agent. According to the liquid silicone rubber for the artificial leathers, the vinyl silicone oil with a viscosity of 0.5-500 Pa.s is used as a base polymer,and the white carbon black is used as a reinforcing filler, so that the prepared liquid silicone rubber for the artificial leathers has a good fluidity, does not need addition of a solvent for dilution during application, and is more friendly to environment; and methyl silicone rubber is used as an internal mold release agent, so that mold release performance can be significantly improved on a basis of almost not influencing the performance of the liquid silicone rubber, and number of reuse times of a release paper can be improved, and at the same time a slippery touch can be imparted to theartificial leathers.
Owner:CHENGDU GUIBAO SCI & TECH
Building reclaimed water recycling system
InactiveCN103866825AVery high number of reusesConserve waterDomestic plumbingMultistage water/sewage treatmentWater pipeReclaimed water
The invention relates to the technical field of water recycling and provides a building reclaimed water recycling system. The building reclaimed water recycling system comprises a water storage tank, a closestool, a water inlet pipe, a braided pipe I, a braided pipe II, a sewage discharging pipe, an overflow pipe, reclaimed water pipes and a filtering device, wherein the water inlet pipe is connected with the reclaimed water pipe at the upper floor, the tail end of the water inlet pipe is connected with the top end of one side of the water storage tank, one filtering device is arranged inside the water storage tank and is arranged below the tail end of the water inlet pipe, the overflow pipe is additionally arranged below one side, close to the filtering device, of the water storage tank, the side end of the overflow pipe is connected with the reclaimed water pipe at the floor; the closestool comprises a closestool water tank and an excrement tank, an internal thread straight joint is arranged at the bottom end of the water storage tank, a three-way pipeline is arranged at a water inlet of the closestool water tank, the internal thread straight joint is connected with one opening of the three-way pipeline by virtue of the braided pipe I, the braided pipe II is connected with the other opening of the three-way pipeline, an on-off valve is arranged on each of the braided pipe I and the braided pipe II, and a water outlet of the excrement tank is connected with the sewage discharging pipe.
Owner:钟孝国
High-intensity retractable support
InactiveCN103924990AHigh strengthHigh strength bearing capacityProps/chocksSocial benefitsEconomic benefits
The invention relates to a high-intensity retractable support. An upper bottom board is fixedly installed at the upper portions of a middle beam of the U-shaped support, each side beam of the U-shaped support and each shed leg of the U-shaped support. The two ends of the middle beam of the U-shaped support are respectively provided with a middle beam slope. The bottom of each side beam of the U-shaped support is provided with a side beam slope. The upper end of each side beam of the U-shaped support is provided with a side beam upper notch. The upper end of each shed leg of the U-shaped support is provided with a shed leg upper notch. A side beam cushion block is arranged at the position, where the middle beam of the U-shaped support and each side beam of the U-shaped support are connected, of the side beam of the U-shaped support. A first cushion block connecting and clamping cable is movably installed at each lower end face of the middle beam of the U-shaped support and the outer side of the corresponding side beam cushion block. A shed leg cushion block is arranged at the position, where each side beam of the U-shaped support is connected with the corresponding shed leg of the U-shaped support, of the shed leg of the U-shaped support. A second cushion block connecting and clamping cable is movably installed at the lower end face of each side beam of the U-shaped support and the outer side of the corresponding shed leg cushion block. The high-intensity retractable support is simple in structure, convenient to operate, high in intensity and capable of being recycled, the service life of the support is largely prolonged, and the support has good social benefits and economic benefits.
Owner:刘允勇
Preparation method of calcium-zinc-aluminum solid base catalyst
InactiveCN109569564AImprove stabilityHigh number of reusesHeterogenous catalyst chemical elementsMetal/metal-oxides/metal-hydroxide catalystsWater bathsFiltration
The invention discloses a preparation method of a calcium-zinc-aluminum solid base catalyst, The preparation method comprises the following steps: (1) weighing Ca(NO3)2.4H2O, Zn(NO3)2.6H2O, and Al(NO3)3.9H2O, and dissolving with deionized water to obtain a mixed salt solution A; (2) weighing CO32- precipitant, and dissolving in water to form a precipitant solution B; (3) mixing and reacting the mixed salt solution A and the precipitant solution B to obtain milky white slurry; and (4) performing the ultrasonic treatment, microwave heating, performing the water bath, performing the suction filtration, washing obtained precipitates with water until the pH value is 7, vacuum drying the precipitate obtained by virtue of the suction filtration, roasting in a muffle furnace, and naturally coolingto the room temperature to obtain the calcium-zinc-aluminum solid base catalyst. By adopting the method provided by the invention, the prepared catalyst is good in stability, the conversion rate of raw materials can reach about 95 percent, the strength is good, and the number of reutilization times is large.
Owner:杨萌
Ten-gate holeless rod continuous rolling process
InactiveCN108296283AImprove the annual operating rateImprove productivityTemperature control deviceRollsReduction rateStrip mill
The invention discloses a ten-gate holeless rod continuous rolling process, and belongs to a metal rolling process. The ten-gate holeless rod continuous rolling process is characterized in that hole rollers in previous ten gates of rod continuous rolling are replaced by flat rollers; hole rolling of rods in the previous ten gates is replaced by holeless rolling; holeless rolling in the previous ten gates is adopted to roll the rods; the rolling parameters are as follows: the rolling height-width ratio is 0.90-1.8; the reduction rate in each gate is 20%-60%; the rolling temperature is 950 DEG C-1100 DEG C; the height*width range of blanks is 150 mm*150 mm-165 mm*165 mm; the absolute broadsiding coefficient range is 0.18-0.45; holeless rolling of the rods in the previous ten gates is realized; the production cost is reduced; the product quality and the utilization rate of a rolling mill are improved; and the application range of the blanks is widened.
Owner:HUATIAN NANJING ENG & TECH CORP MCC
Biological organic composite seedling raising regulator and preparation method thereof
InactiveCN111348967AImprove water holdingImprove ventilationAnimal corpse fertilisersFertilizer mixturesNutritionOrganic matter
The invention discloses a biological organic composite seedling raising regulator and a preparation method thereof. The biological organic composite seedling raising regulator is prepared from the following components in parts by weight: 200 to 300 parts of a carrier, 10 to 20 parts of medium trace elements, 20 to 50 parts of organic matter, 1 to 10 parts of biological enzyme, 1 to 5 parts of biostimulant and 5 to 10 parts of beneficial bacteria. The biological organic composite seedling raising regulator can promote seedlings to absorb nutrition, reduce the number of seedlings with small andweak diseases, improve soil, improve water retention, ventilation and fertilizer retention capacity of soil, effectively inhibit soil-borne diseases in a matrix and increase the number of times of repeated utilization of the seedling raising matrix.
Owner:SHENZHEN BATIAN ECOTYPIC ENG
Variable-size environment-friendly packaging box and using method thereof
PendingCN110893930AVerify mechanical reliabilityHigh number of reusesVariable capacity containersStructural engineeringMechanical engineering
The invention discloses a variable-size environment-friendly packaging box and a using method thereof. The packaging box comprises a box body frame, a front panel and a rear panel; the box body framecomprises a top panel, a bottom panel, a left supporting panel and a right supporting panel; each of the top panel and the bottom panel comprises two splicing panels connected through a sliding rail;each of the front panel and the rear panel comprises a main board and a splicing board, and the main board and the splicing board are connected with the box body frame; and the box body frame is sealed through the main board, or the front side and the rear side of the box body frame are sealed by the main board and the splicing board, and the top and the bottom of the box body frame are sealed byfilling the top and bottom splicing panel. According to the packaging box, the functions of repeated disassembly, repeated use and convenient recycling are achieved, the size of the box body in the original form can be increased by stretching of the space of the box body, the size of the box body of the packaging box can be flexibly changed, and therefore commodities of different specifications can be packaged.
Owner:SHAANXI UNIV OF SCI & TECH
Preparation method of grease with humanized structure
ActiveCN102776077BHuge market potentialHigh number of reusesMilk preparationFatty acid esterificationVegetable oilMolecular rearrangement
The invention discloses a preparation method of grease with a humanized structure. The preparation method comprises the following steps: carrying out intra-molecular rearrangement reaction to palm oil with palmitic acid content of higher than 50% under the action of catalyst to obtain Sn-2 locus triglyceride with palmitic acid content of higher than 50%; and carrying out ester exchange reaction to the Sn-2 locus triglyceride with palmitic acid content of higher than 50% with mixed fatty acid or non-glyceride under the action of 1,3 locus Specificity lipase, and then subjecting the reaction product to after treatment, so as to obtain the grease with humanized structure, wherein the mixed fatty acid is mixture of at least two selected from the group consisting of decanoic acid, lauric acid, myristic acid, palmitoleic acid, stearic acid, oleic acid, linoleic acid and linolenic acid. The vegetable oils are used as the raw material according to the method, so the safety is high; the preparation process is simple, the reaction time is short, the enzyme dosage is low, and the cost is low; and the prepared grease with the humanized structure is very similar to the beast milk fat in the composition of fatty acid and the structural distribution of triglyceride, so the grease can be added in infant formula or formula foods and used as breast milk fat substitute.
Owner:ZANYU TECH GRP CO LTD
Preparation method of coated nano zero-valent iron
InactiveCN107879459AUniform particle size distributionStrong decolorization abilityWater/sewage treatment by reductionMicrowaveNitrogen
The invention discloses a method for preparing coated nanometer zero-valent iron, which comprises the following steps: (1) adding FeCl3·6H2O into an ethanol solution, stirring and mixing, and then microwave treatment; Add ethyl silicate, blow nitrogen gas for 15-30min, stir at the same time, and cool down to room temperature naturally; (3) Heat up the system obtained in step (2) for 30min, then continue to heat up for reaction, cool down to room temperature naturally, and disperse by ultrasonic 15min; (4) Introduce nitrogen into the system of step (3), then dropwise add KBH4 solution, react for 15-30min after the dropwise addition, let stand for 60-90min, filter, and wash the obtained precipitate with ethanol and distilled water respectively 3 times, vacuum dry. The coated nanometer zero-valent iron provided by the invention has a uniform particle size distribution, good decolorization ability, high repetition times and high recycling rate.
Owner:SHAANXI SHENGMAI PETROLEUM
Anti-virus-pollution recyclable mask and preparation method
PendingCN111165950AKill in timeSafe handlingProtective garmentSpecial outerwear garmentsBiotechnologyPathogenic microorganism
The invention relates to an anti-virus-pollution recyclable mask and a preparation method, and belongs to the technical field of medical equipment. The mask comprises a mask body and ear bands, and ischaracterized in that the mask body comprises an inner layer and an outer layer, the inner layer is a skin-friendly medical non-woven fabric layer and a filtering layer, the outer layer is a filtering isolation layer and an outer side layer, and an adsorption sterilization layer is further attached to the outer layer to form an antimicrobial layer to inhibit and kill pathogenic microorganisms (such as high-activity viruses) attached and adsorbed to the outer layer of the mask. The layers are located on the mask outer layer and the outer filtering layer, edible salt is safe, and the mask is harmless to the human body and free of toxic and side effects. Aiming at viruses (such as 2019 new coronavirus) with long in-vitro survival time and strong infectivity, the possibility of infection andpropagation caused by the viruses attached to the outer side of the medical mask is avoided; when epidemic situations are tense and the mask supply is short, the disposable mask can be safely and repeatedly used, equivalently, the mask productivity is increased, and good social benefits are achieved.
Owner:南京好爵医疗科技有限公司
An easy-to-disassemble combined display board and its manufacturing method
Owner:QUFU HUALONG EXHIBITION CO LTD
Recyclable inner-bracing sleeve
InactiveCN105064685APlay the role of inner strutReduce widthAuxillary members of forms/shuttering/falseworksArchitectural engineeringRebar
The invention discloses a recyclable inner-bracing sleeve. The recyclable inner-bracing sleeve comprises inner-bracing sleeve chock plugs and an inner-bracing sleeve main part; the two inner-bracing sleeve chock plugs are respectively connected to two ends of the inner-bracing sleeve main part; the inner-bracing sleeve main part has a large end and a small end; each inner-bracing sleeve chock plug also has a large end and a small end; tables are respectively arranged in two tips of the inner-bracing sleeve main part; the inner-bracing sleeve main part is connected with the inner-bracing sleeve chock plug through the tables; the tables are connected with connecting parts of the inner-bracing sleeve chock plugs; each inner-bracing sleeve chock plug is provided with a key hole; each key hole is T-shaped; each inner-bracing sleeve chock plug can be disassembled from the inner-bracing sleeve main part by twisting at an angle of 90 degrees through the corresponding key hole; and during pouring of a concrete wall, the width of the wall is controlled, the thickness of a protecting layer of a reinforcement in concrete is controlled, the recyclable inner-bracing sleeve has functions of an inner-bracing strip, an opposite-pulling screw can be isolated from the concrete by the recyclable inner-bracing sleeve in formwork engineering, and the recyclable inner-bracing sleeve has functions of a sleeve.
Owner:THE FOURTH CONSTR OF YUNNAN ARCHITECTURAL ENG GROUP
Method of regenerating used denitration catalyst
PendingCN110072621AHigh number of reusesDispersed particle separationCatalyst regeneration/reactivationFlue gasActive component
A method for regenerating a used denitration catalyst including: brushing, using a brush, the surface of a plate-shaped denitration catalyst element comprising a plate material, which alternately hasflat parts and ridge spacer parts, and a catalyst layer, which is carried by the plate material and which contains titanium oxide as the main component, and having a compound containing Si, Al, or Caadhered thereto by a flue gas denitration process, the surface of the plate-shaped denitration catalyst element being brushed while water or an aqueous acid solution is adhered to the surface of the plate-shaped denitration catalyst element; and impregnating the plate-shaped denitration catalyst element which has been brushed using the brush with a liquid containing a catalytically active component.
Owner:MITSUBISHI HEAVY IND LTD
Textile wastewater treatment method based on Fe3O4/CNTs composite dispersed electrode
InactiveCN112079416AIncrease electrode areaIncrease the current intensityWater/sewage treatmentWaste water treatment from textile industryEngineeringThree dimensional electrode
The invention discloses a textile wastewater treatment method based on a Fe3O4 / CNTs composite dispersed electrode, and belongs to the field of chemical and environmental protection. According to the invention, a ferroferric oxide / carbon nanotube composite material is used as a dispersed electrode, and the textile wastewater is treated by a three-dimensional electrode electrolytic cell, so that themethod has the advantages of high current efficiency, good treatment effect, large treatment capacity and low energy consumption, and can solve the problems of high COD, high pH value, large chromaticity, large water temperature and large water quantity of the textile wastewater. The ferroferric oxide / carbon nanotube composite material is used as the dispersion electrode, a disperse blue 2BLN solution is decolored under the conditions that the voltage is 17V, the electrolytic salt concentration is 1mol / L and the concentration of ferroferric oxide / carbon nanotubes is 75mg / L, the decoloring rate can reach 98.79 percent after 3 hours, and a better decoloring effect is achieved.
Owner:JIANGNAN UNIV
An abutment pre-embedded anchor positioning system and construction method
ActiveCN106320186BRapid positioningPrecise positioningBridge erection/assemblyMaterial consumptionEngineering
The invention discloses a positioning system for a pre-embedded anchor bar of an arch support and a construction method applying the system and relates to the field of bridge construction. The system comprises a positioning support, an anchor bar positioning box, an accurate adjustment device and a chain block. According to the construction method for positioning of the pre-embedded anchor bar of the arch support, the engineering schedule is fast, the construction procedure is simple, the construction is safe and the accuracy is high; with the adoption of the positioning system for the pre-embedded anchor bar of the arch support, the cost input is low, the material consumption is small, the mounting is rapid, anchor bars are not required to be adjusted one by one, and anchor bar embedding in the complicated environment can be rapidly performed.
Owner:THE 5TH ENG MBEC +1
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