81results about How to "Improve composition" patented technology

The invention relates to nucleic acids covalently coupled to electrodes via conductive oligomers. More particularly, the invention is directed to the site-selective modification of nucleic acids with electron transfer moieties and electrodes to produce a new class of biomaterials, and to methods of making and using them.

A polymeric composition having antimicrobial properties and a process for rendering the surface of a substrate antimicrobial are disclosed. The composition comprises a crosslinked chemical combination of (i) a polymer having amino group-containing side chains along a backbone forming the polymer, (ii) an antimicrobial agent selected from quaternary ammonium compounds, gentian violet compounds, substituted or unsubstituted phenols, biguanide compounds, iodine compounds, and mixtures thereof, and (iii) a crosslinking agent containing functional groups capable of reacting with the amino groups. In one embodiment, the polymer is a polyamide formed from a maleic anhydride or maleic acid ester monomer and alkylamines thereby producing a polyamide having amino substituted alkyl chains on one side of the polyamide backbone; the crosslinking agent is a phosphine having the general formula (A)3P wherein A is hydroxyalkyl; and the antimicrobial agent is chlorhexidine, dimethylchlorophenol, cetyl pyridinium chloride, gentian violet, triclosan, thymol, iodine, and mixtures thereof.

A composition of multilamellar vesicles for the delivery of pharmaceutically-active substances through the skin of a mammal, the composition including between about 1 to about 30% Cyclomethicone 5-.N.F., between about 1 to about 30% PEG-12 Dimethicone; between about 3 to about 14% Cyclopentasiloxane and PEG 12 Dimethicone Crosspolymers, between about 0.9 to about 9% Lauryl PEG / PPG-18 / 18 Methicone, between about 2 to 5% Sepigel 305, between about 1 to about 4%, Carbopol ETD 2020 solution (2%), up to 100% Water, and Sodium hydroxide to a pH between about 6-6.5.

An abrasive wheel with improved structure comprises: an abrasive component, an adapting ring received by the combining hole in the central region of the abrasive component, two covers which are posited about both mounting surfaces respectively, wherein each cover at the surface thereof facing to the corresponding mounting surface has a pressing segment and a blocking segment, wherein each pressing segment comprises a plurality of teeth so that after the disclosed abrasive wheel is assembled, the blocking segment leans against the inner wall of the combining hole and the teeth of the pressing segment lean against the corresponding mounting surface, and further, a plurality of raised columns provided at the surface of each cover facing to the corresponding mounting surface and each opening defined by each two adjacent raised columns which is complementary to the shape of the raised columns so that after the disclosed abrasive wheel is assembled, the raised columns of either the cover can be engaged by the openings of the other cover.

The invention discloses a nanocellulose / graphene composite flexible thin film as well as a preparation method and application thereof. According to the method disclosed by the invention, the surface of a graphene-shaped structure is uniformly coated with nanocellulose under the action of a hydrogen bond, Van der Waals force, a II-II bond and the like between a nanocellulose molecule and a graphenemolecule, so that a nanocellulose / graphene (CNC-G) composite flexible thin film with uniform distribution and a smooth surface is formed. The nanocellulose / graphene composite flexible thin film disclosed by the invention has good flexibility and transparency, can be uniformly dispersed in a solvent containing water and exists stably for a long time. The preparation method disclosed by the invention has the advantages of abundant raw material source, simple operation technology, low cost, greenness, environment friendliness, high efficiency and the like. The nanocellulose / graphene (CNC-G) composite flexible thin film disclosed by the invention has the advantages of high purity, uniformity in compounding and good composition structure and has a wide application prospect in the fields including flexible electronics, catalysis, electrochemistry and the like.

The invention belongs to the field of metallurgy and mainly relates to a manufacture method for preparing a high titanium high pH value sintering ore by a v-ti magnetite concentrate ore. The technical problem needed to be solved is to provide a preparation method which takes the high titanium v-ti magnetite concentrate ore specially owned by Panzhihua as the material to prepare the high titanium high pH value sintering ore. The method is mainly characterized by taking the high titanium v-ti magnetite concentrate ore as the material with a sintering temperature of 1300 to 1400 DEG C. The technique of the invention applied to prepare the sintering ore is simply controlled; the high pH value sintering ore obtained by sintering is smelted; the technical economic indexes like the operating factors of a blast furnace, a coke ratio, a coal ratio, etc, and the like, are all improved. The method of the invention essentially improves the minimal components of a v-ti sintering ore, improves the intensity of the sintering ore and improves the metallurgy performance by improving the pH value of the v-ti sintering ore to 2.0 to 3.2, controlling a proper carbon addition amount and increasing the amount of a liquid phase.

A medicinal composition comprising at least one compound which can interact with a target cell, the at least one compound being a glycoalkaloid of general formula (I) wherein: the composition is essentially without free sugars of the type which inhibit the interaction between the at least one glycoalkaloid and a target cell.

The present invention discloses an ultraviolet light curable paint composition and method for applying and making such a composition to a substrate. Suitable substrates include glass, metals, and various plastics such as polycarbonates. The disclosed composition does not contain any significant amount of volatile organic solvents that do not become incorporated in the coating or are released to ambient after curing.

The invention discloses a process for preparing fermented fruit juice which consists of choosing fruits and cleaning, sterilizing, activating bacterial, inoculating, fermenting, squeezing and filtering.

The present invention discloses a low-fat emulsion sausage which is characterized by comprising the follow components, by weight, 54.9 parts of pork, 4.7 to 9.4 parts of pork back fat, 19.5 parts of ice water, 14.1 to 18.7 parts of an animal fat substitute, 1.41 to 1.61 parts of salt, 0.1 to 0.5 parts of compound phosphate, 0.1 to 0.5 parts of monosodium glutamate, 0.2 to 0.5 parts of white pepper and 0.0005 to 0.005 parts of sodium nitrite. The animal fat substitute is a high concentration emulsion composed of animal plasma proteins, vegetable oil and water, and is characterized in that the parts by weight of the components are as follows: 0.8 to 1.1 parts of animal plasma proteins, 7.3 to 9.7 parts of vegetable oil, and 6.0 to 8.0 parts of water. In addition, the present invention provides a production method for the low-fat emulsion sausage, wherein pork is used as a main material and plasma protein emulsion is used to substitute a part of animal fat, thus obtaining the low-fat low-energy emulsion sausage with a balanced fatty acid ratio.

A composition for removing a copper-compatible resist includes about 10% to about 30% by weight of an amine compound, about 10% to about 80% by weight of a glycolether compound, and about 10% to about 80% by weight of a polar solvent.

A silicate-free alkaline aqueous developer composition has a pH of at least 12 and comprises a metal cation M2+ selected from barium, calcium, strontium, and zinc cations, and a chelating agent that has a complex formation constant (log K) for the metal cation of at least 3.5 and less than or equal to 4.5, and a log K for aluminum ion that is 7 or less. This developer composition can be used to process positive-working lithographic printing plate precursors to provide lithographic printing plates.

The invention relates to a method for preparing optical fiber preform rod, which comprises the following steps: directly coating a uniform quartz loose body on an external surface of a core rod by using silane or siloxane as a raw material through an external vapor deposition method so as to form a loose-body preform rod, slowing heating the loose-body preform rod at a high temperature for dehydration, and sintering the loose-body preform rod to obtain a transparent optical fiber preform rod. The invention adopts clean silane or siloxane as a raw material for forming the quartz coating, does not generate a lot of harmful hydrogen chloride, overcomes the disadvantage that chlorine-containing raw material introduces single bonds which can block atomic bonds into the coating, increases the purity and strength of the preform rod material, and improves the mechanical strength of optical fibers.

The invention discloses chemically-modified hard asphalt and a preparation method thereof. The chemically-modified hard asphalt comprises the following components in parts by weight: 100 parts of basic asphalt, 0.5-3.0 parts of polyphosphoric acid, 2-12 parts of ductility increasing agent mother liquor and 0.2-0.4 part of a surfactant. The preparation method comprises the following steps: adding polyphosphoric acid into the melted basic asphalt for chemically-modified reaction, then adding the ductility increasing agent mother liquor for further reaction, and finally adding the surfactant for further reaction for a period of time to prepare the chemically-modified hard asphalt. The whole process is implemented under a high-speed stirring condition. The chemically-modified hard asphalt prepared by the preparation method disclosed by the invention is high in flow resistance, high in softening point, high in low-temperature ductility, high in bonding property with aggregate, and excellent in high temperature stability, low temperature cracking resistance, fatigue resistance and water invasion resistance; the chemically-modified hard asphalt is particularly suitable for areas with high temperature, wet areas and areas with large diurnal temperature difference and can be used for paving a pavement of a traffic road, so that common pavement damage phenomena such pavement rutting, upheaval, fatigue cracking, low-temperature cracking and water invasion of the pavement are effectively prevented, and the service life of the pavement is prolonged.

The present invention provides a composition for acetone detection and a process of preparation thereof. The composition comprises γ-ferric oxide (γ-Fe2O3), antimony (Sb) salt, and platinum (Pt). The sensor fabricated using the said composition is selective to low concentration of breath acetone, the biomarker of diabetes, in presence of high amount of moisture normally present in breath. Such semiconductor sensors for diabetes monitoring are inexpensive, rugged, patient-friendly and on the top, non-invasive.

The invention provides a system and a method for testing deformation characteristics of a harmonic gear transmission flexible wheel. The system comprises an optical platform and a harmonic gear transmission system, wherein the harmonic gear transmission system comprises a servo motor bracket, a harmonic reducer bracket and a magnetic powder brake bracket which are sequentially arranged on the upper surface of the optical platform; a servo motor, a harmonic reducer and a magnetic powder brake are respectively mounted on the servo motor bracket, the harmonic reducer bracket and the magnetic powder brake bracket; a deformation data acquisition system is arranged between the servo motor bracket and the harmonic reducer bracket; the deformation data acquisition system comprises displacement frame upright columns; a displacement frame cross beam is arranged between the displacement frame upright columns; the displacement frame cross beam and the displacement frame upright columns can move relative to each other; and laser displacement sensors for acquiring the deformation amounts of the upper side and the left side of a harmonic reducer flexible wheel are arranged on the displacement frame upright column at the left side and the displacement frame cross beam. The system provided by the invention has the advantages of being low in cost, simple in structure, convenient to assemble anddisassemble, accurate in test and the like.

The invention relates to a microparticle swarm fuel micro-combustion system based on digital holographic optical tweezers. The system comprises a first laser driver, a first laser, a first spectroscope, a second laser, an attenuation slice, a second reflection lens, a collimating lens group, a first reflection lens, a spatial light modulator, a beam-expanding lens group, a second spectroscope, an objective lens, a microparticle swarm fuel, a micro-combustion chip, a third spectroscope, a third reflection lens, a CCD (Charge Coupled Device) camera, an infrared camera, a first image acquisition card, a second image acquisition card, a data acquisition card, a computer, a nitrogen storage bottle, an oxygen storage bottle, a first flowmeter, a second flowmeter, a buffering tank, a first valve, a second valve and a gas chromatograph-mass spectrometer. The distribution pattern of the fuel can be effectively controlled through a digital holographic technology and the spatial light modulator, so that the combustion of the microparticle swarm fuel can be performed in the micro-combustion chip; the composition mode of the micro-combustion can be effectively improved; the combustion efficiency of the micro-combustion is improved.

The invention discloses a visible light-activated access control method with a hidden channel. A visible light-activated access control apparatus with a hidden channel is established that comprises a light-operated access control lock and a mobile unlocking terminal; unlocking is controlled via mutual certification between the lock and the terminal. The hidden channel is established with a backlight module and a light key receiving module, and key light signals are transmitted via lighting backlight. The light-operated access control lock certificates validity of the moving unlocking terminal via light information transmitted by a light transmitting module, so that an illegal mobile unlocking terminal is avoided trying to unlock the access control. The mobile unlocking terminal certificates the validity of the light-operated access control lock jointly via graphic symbols of a display module and hidden key backlight signals of the backlight module, thereby preventing a fake light-operated access control lock from intercepting user information and from cracking an unlock password. By using the method, possible safety hazards of the prior art, such as information intercepting, are avoided partly, and both safety and privacy are further improved.

The invention discloses a visible light-control access control device with a hidden channel. The device comprises a light-control access control lock and a moving unlocking terminal; the light-control access control lock is composed of a light lock receiving module, a lock control module, a controlled module, a display module, a backlight module, a communication and alarm module and a power module; the moving unlocking terminal comprises a light emission module, a light key receiving module, a display scanning module and a terminal control module. According to the visible light-control access control device with the hidden channel, access control is achieved through mutual authentication of the light-control access control lock and the moving unlocking terminal; the hidden channel is established by means of the backlight module and the light key receiving module, lighting backlight is used for transmitting a key light signal, the moving unlocking terminal is authenticated by means of light information sent by the light emission module, the light-control access control lock is authenticated by means of graphic symbols of the display module and hidden key backlight signals of the backlight module, that is to say, the situation that an illegal moving unlocking terminal attempts to open access control can be prevented, and a counterfeit light-control access control lock can be prevented from intercepting user information and cracking an unlocking password.

The invention discloses a cement reinforcing agent, a preparation method, and application thereof. The cement reinforcing agent is synthesized by using an amino silane coupling agent for modifying a wet-process-produced white carbon black product through a chemical coupling reaction. Relative to 100 parts by weight of wet-process white carbon black, the chemical modification process needs 500-1300 parts by weight of deionized water, 1-15 parts of a silane coupling modifier, 1-2 parts of an anionic surfactant, and 10-30 parts of an organic solvent. A national standard GB / T17671-1999 method is employed, the addition amount of the product is only 1.0-2.0 parts relative to the cement mass, and compared with 7-day strength of black cement, the strength is improved by about 30 times.

Embodiments of the invention provide a data writing method and device and a data reading method and device. The data writing method comprises the following steps of: when an application process in a target server is started or restarted, obtaining main key configuration information from a database, wherein the main key configuration information at least comprises corresponding relationship among data table identifiers of one or more data tables in the database and / or a target server identifier and real-time main key information; storing the main key configuration information in the target server; obtaining business data to be written into a target data table; determining target main key information corresponding to the business data from the main key configuration information, wherein thetarget main key information at least comprises a target data table identifier and / or the target server business and a business data sequence of the business data; and writing the business data into the target data table by adoption of the target main key information, so as to distinguish the main key information, optimize a composition structure of the main key information, enhancing the timeliness of obtaining the main key information and enhancing the persistent business data writing performance.

The invention discloses a vacuum paste mixing process of a lead-acid power battery, which is used for solving the problems of the paste mixing process of the prior art that the paste mixing temperature of the lead paste cannot be precisely controlled, the ratio of components in the prepared lead paste is unbalanced, the structure constitution is inconsistent, and thus the initial capacity and cycling performance of the lead paste are not ideal. The paste mixing process comprises the steps of feeding material, dry mixing, adding water, wet mixing, acidifying and stirring, wherein both the acidification and the stirring are performed in five steps, the acidification amount and lead paste temperature are controlled in each step of the acidification, the lead paste is maintained at the temperature of 72 to 82 2DEG C for 4 to 6 minutes in the acidifying process to form a generation stage of tetrabasic lead sulfate, the stirring time and cooling speed of the lead paste are controlled in each step of the stirring process, and the lead paste is maintained at the temperature of 45 to 50 DEG C for 0.5 to 1.5 minutes in the stirring process to form a performance stable stage. The process is simple in procedures, strong in operability and stable and controllable in process, and the prepared lead paste is good in consistent, high in initial capacity and good in cycling performance.

The invention provides high quality sintered ores for a COREX smelting reduction process for ironmaking and a preparation method thereof. The preparation method comprises the following steps: dividing30-50% of iron ore concentrate and 4-7% of flux 1 as well as 1.0-1.5% f a solid fuel from the total amount of iron ore concentrate for proportioning, and uniformly mixing the three to prepare flux carbon-burdened green pellets; proportioning the divided residual iron ore concentrate and iron-containing miscellaneous materials, return ores, flux 2 and the solid fuel and uniformly mixing the mixture to obtain a mixed material; and mixing, granulating, distributing, igniting, sintering, cooling, crushing and screening the obtained green pellets and the mixed material to obtain the sintered oresand the return ores. The sintered ores prepared by the method can meet the demand that the low-temperature reduction degradation value of the sintered ores in a COREX vertical furnace: RDI+6.3 is greater than or equal to 50% when the alkalinity is 1.8. The furnace mass ratio of the sintered ores can be greater than 50%, so that the cost of an ironmaking furnace burden can be lowered effectively.

The invention provides a probiotics preparation and application thereof, and belongs to the field of biotechnologies. The probiotics preparation comprises, by weight, 20-30% of lactobacillus plantarum, 30-40% of lactobacillus helveticus, 6-10% of bifidobacterium longum, 23-33% of litesse and 1-5% of cordyceps. The probiotics preparation and the application have the advantages that intestinal microbial environments can be conditioned by the probiotics preparation, constipation due to intestinal dysbacteriosis can be treated, the probiotics preparation can become effective fast, obvious effects can be realized, and the immunological competence of human bodies can be improved; the probiotics preparation can be applied to preparing healthcare products, foods or medicines for conditioning the intestinal microbial environments, accordingly, the composition of floras in intestinal tracts of hosts can be improved, the constipation can be prevented and improved, and the probiotics preparation can become effective fast and is free of side effects.

The invention relates to a torsion resistant suspension of an automobile power assembly and an automobile. The torsion resistant suspension of the automobile power assembly comprises an outer framework, an inner core, a connecting rod, a first elastic bush and a second elastic bush, wherein the outer framework is connected with an automobile frame in a compression interference fit way, and is provided with an opening; the inner core is arranged in the outer framework in a sleeving manner, and is provided with a radial threaded hole; the connecting rod is connected to the radial threaded hole through a first connecting piece and the opening; the first elastic bush is vulcanized on the outer framework and the inner core; the second elastic bush is arranged or vulcanized on an automobile bracket, and is arranged on the connecting rod through a second connecting piece; the automobile bracket is connected to the automobile power assembly through a third connecting piece. Compared with the prior art, the torsional suspension has the characteristics of less subparts, lighter weight, less materials, simple and compact structure, low manufacturing cost and the like, and can be arranged on and applied to various automobiles.

The invention relates to a preparation method of petroleum asphalt based carbon fiber. The preparation method comprises the following steps: (1) adopting catalytic slurry oil as a raw material; (2) performing high-pressure hydrogenation pretreatment and reacting for 1-3h to obtain a hydrogenation product, wherein the hydrogen pressure is 12-18MPa, and the reaction temperature is 420-450 DEG C; (3) performing reduced-pressure distillation to obtain a fraction at 400-550 DEG C, adding a catalyst (1:1 Lewis acid functionalized ionic liquid / BF3 composite catalyst, the Lewis acid functionalized ionic liquid is aluminum chlorate ionic liquid ([BMIM]Cl / AlCl3) or zinc chloride ionic liquid (ZnCl2 / PPh3C6H13Br) or ferric chloride ionic liquid ([BMIM]Cl / FeCl3)), and reacting for 1-8h in an inert gas or nitrogen atmosphere, wherein the reaction pressure is 1-8MPa, and the reaction temperature is 280-360 DEG C; and performing catalytic condensation to obtain mesophase asphalt; and (4) melting and spinning the mesophase asphalt to obtain petroleum asphalt based carbon fiber.

A composition and process for electroplating a conductive metal layer onto the surface of a non-conductive material is disclosed. The composition and process utilizes an obvious dispersion traditional carbon black particles and highly conductive carbon black particles. The mixture of carbon blacks provides optimum dispersion and electroplating properties.

The invention discloses a numerical simulation method for damage and healing mechanisms of microcapsule self-healing materials. The method comprises the following steps of: a. constructing a unit cellmodel of a material; b. dividing finite element meshes for unit cells; c. giving a matrix and microcapsules material properties; d. establishing a fluid-solid coupling relation by adopting a coupledeulerian-lagrangian method; e. applying load and submitting analysis; f. viewing results and revealing the damage and healing mechanisms of the material; and g. carrying out parameter analysis and optimization design. The method has the beneficial effects that the flow-solid coupling numerical method is adopted for the first time to simulate the damage starting and expanding processes of the microcapsule self-healing materials under the action of the load and reveal the intrinsic mechanisms of the damage and the healing of the microcapsule self-healing materials; and a theoretical basis can beprovided for the optimization design of the microcapsule self-healing materials, so that the development of the self-healing materials with better performance is benefitted.

The invention discloses a liver-protecting and alcoholism-relieving composition and a preparation method thereof. The liver-protecting and alcoholism-relieving composition is prepared by mixing the following ingredients in parts by weight: 1-10 parts of mung bean peptides, 0.1-5 parts of corn peptides, 0.1-5 parts of isomalto-oligosaccharides, 0.1-5 parts of dietary fiber, 0.1-5 parts of a green coffee bean extract, 0.1-5 parts of a honeysuckle flower extract, 0.1-5 parts of xylo-oligosaccharides, 0.01-5 parts of a liquorice root extract, 0.01-5 parts of mogrosides, and 0.01-1 part of taurine.The liver-protecting and alcoholism-relieving composition disclosed by the invention is sweet and smooth in taste as well as obvious in pharmacodynamic action, and has the effects of protecting the livers and relieving alcoholism; moreover, the liver-protecting and alcoholism-relieving composition is capable of increasing upper limit of liquor intake of alcohol consumers, as well as relieving hangover symptoms including headache, dizziness and the like. In addition, the liver-protecting and alcoholism-relieving composition is also capable of improving intestinal flora combination and structure, so that the liver-protecting and alcoholism-relieving composition has good health-caring effects.