191results about How to "Easy to commoditize" patented technology

The invention provides an integrated flow path chip device used for digital nucleic acid amplification. The device is composed of a vacuum system, a pipeline, a sucker, a sealing cover layer and a reaction layer, wherein two ends of the sealing cover layer are respectively provided with a sample inlet and a sample outlet; a path is formed between the sealing cover layer and the reaction layer; the reaction layer is provided with small reaction chambers; the sucker is arranged on the sample outlet; the vacuum system is connected with the sucker via a pipeline; and the sample inlet and the sample outlet are sealed by adhesive tape paper. According to the integrated flow path chip device, trace reaction samples can be distributed to thousands of small reaction chambers, and mineral oil is led in via a path in the sealing cover layer to separate thousands of small reaction chambers so as to realize the single molecule amplification and precisely quantify the nucleic acid molecules. The device is reasonable to design and is a minitype device used for digital nucleic acid amplification, which has low cost and is easy to operate.

The invention relates to an alkali reductive water diaphragm-free electrolysis device, which belongs to the technical field of functional water electrolysis devices. The device comprises a water container, a pair of negative and positive electrodes placed in the water container, and a direct-current power supply electrically connected with the negative and positive electrodes; the positive electrode mainly comprises an active carbon electrode made of active carbon; and the negative electrode mainly comprises a metal electrode made of metal. The device can effectively obtain alkali reductive water of wide-range alkalinity (PH value from 7 to 13) and negative oxidation-reduction potential by adopting the negative and positive electrode group mainly comprising the active carbon electrode and the metal electrode, and can reduce the consumption of electrolysis power.

The invention relates to a preparation method and application of an environmental estrogen electrochemical immunosensor, belonging to the technical field of electrochemical detection. The sensitivity of the sensor is obviously improved by adopting the characteristics that the conductivity of chitosan dispersed graphene is high, the stability is high, the specific surface area of a gold hybrid mesoporous silicon dioxide nano composite material is large, the biocompatibility is good, the catalytic efficiency is high and the like. The immunosensor is constructed by adopting the method of layer-by-layer self-assembly of the chitosan dispersed graphene, cross-linking agent, composite solution of nano materials and antibodies, and bovine serum albumin. In combination with specificities of antigens and antibodies, by virtue of an electrochemical workstation instrument, by recording current change before and after corresponding antigens modify the sensor, the environmental estrogens in water and food can be directly detected. The environmental estrogen electrochemical immunosensor prepared by adopting the preparation method has the advantages that the sensitivity is high, the specificity is good, the operation is easy to conduct and the detection limit is low, and the sensitive, rapid and accurate detection of various environmental estrogens in actual samples can be realized.

The invention relates to a cementing material of steel slag tailings and composite slag micro powder, which comprises the composite slag micro powder and the steel slag tailings, and the weight ratio of the composite slag micro powder to the steel slag tailings is between 1 to 1 and 1 to 3; the specific surface area of the composite slag micro powder is larger than 350 m / kg, the composite slag micro powder comprises a combined material and the slag micro powder, wherein the combined material accounts for 8 to 35 percent of the composite slag micro powder by weight, and the slag micro powder accounts for 65 to 92 percent of the composite slag micro powder by weight; and the combined material comprises gypsum. The cementing material has the advantages that: 1, the method is an effective method utilizing large amount of waste slag; 2, the raw material of the composite slag micro powder has wide source; 3, the steel slag tailings are natural-grade tailings after steel slag wet-type ball milling magnetic separation particles are toughened, and the settled tailings do not need to be dried and are directly used as an auxiliary material; and 4, the steel slag tailings account for large proportion, and can fully utilize waste slag resources.

The invention discloses a method for artificially breeding an introduced Indian blue peafowl, belongs to methods for breeding rare birds, and particularly relates to a method for artificially breeding and cultivating the introduced Indian blue peafowl. The method for artificially breeding the introduced Indian blue peafowl is characterized by comprising the following steps that artificial hatching is conducted on an introduced Indian blue peafowl hatching egg; a breeding field is chosen; a peafowl breeding shed is provided, different breeding methods for peafowl brood time, a commodity peafowl and a breeding peafowl are provided, and the blue peafowl is bred and cultivated. The technical schemes of introduction, breeding, crossbreeding and prevention of diseases are used, the population quality of the blue peafowl is improved, the purposes of being high in egg production, fast in breeding and short in production period of the blow peafowl are achieved, large scale and commercialization of the blue peafowl in China are better accelerated, the demand for developing industrial aquaculture is met, and the breeding scale and breeding benefits are improved.

The present invention discloses a composite profile for thermal bridge solid-web steel doors and windows and a manufacturing method, relating to a steel door and window profile and a manufacturing method. The profile provided by the invention consists of a solid-web steel profile made from standard steel member and a nonmetallic heat insulation strip. The manufacturing method is that: firstly one to seven kinds of standard steel members are manufactured; secondly two standard members are seam welded into eight kinds of solid-web steel profiles; then two kinds of the solid-web steel profiles and one nonmetallic heat insulation strip are assembled into six kinds of composite profiles for thermal bridge solid-web steel doors and windows; and finally the coating and the assembly are carried out. Due to the small cross section, light weight, high strength, steel material saving and convenient assembly of the steel member, the profile provided by the present invention has the advantages of good heat insulation performance and high quality. The present invention also has the advantages of simple method, low equipment investment, standardized manufacture of the steel member, high efficiency and convenient popularization and application. Thus the present invention can be widely applied in the composite sections for thermal bridge solid-web steel doors and windows for the flat-opening door and window, the sliding door and window, the fixed window, the top-hinged swinging window and the manufacture.

The present invention provides a technological process for large-scale breeding bernisia tabaci genn by using tobacco and industrial production of eretmocerus spp. by using nymph of bernisia tabaci genn. Said invention adopts four-chamber eretmocerus spp. breeding method, mechanical collection, separation and purification, low-temp. short-period storage and annual industrial breeding eretmocerus spp. The host plant is tobacco leaf, it can bear lots of bernisia tabaci genn, and is high in production efficiency and is favorable for collection, the bernisia tabaci genn can be used as host of eretmocerus spp, so as to ensure controlling effect in field.

The invention discloses a rotary disc-type microfluidic concentration measuring apparatus and method based on luminosity detection. A rotary disc-type microfluidic chip, a luminosity detection device support and an AC servo motor are arranged in a hermetic darkroom; an output shaft motor shaft of the AC servo motor is vertically upward and is coaxially equipped with the horizontal rotary disc-type microfluidic chip; and N stages of test solution interinfiltration bands are arranged on the rotary disc-type microfluidic chip, each stage of test solution interinfiltration band is in the shape of a circular arc with the center of the rotary disc-type microfluidic chip as the center of circle, and two adjacent stages of test solution interinfiltration bands are connected through a spring-like test solution channel and communicated with each other. According to the invention, effective positioning of dilution concentration is realized through combined usage of the rotary disc-type microfluidic chip and rotary dilution positioning technology, so a dilution ratio is rapidly calculated; the accurate concentration of a to-be-measured solution is backwardly deduced by multiplying the dilution ratio by corresponding relationship between known optical length and absorbance produced at optimal concentration; and sample introduction, detection and concentration calculation are automatically carried out.

The invention relates to a lithium ion battery lithium-enriched cathode material, and an improving method thereof, and belongs to the technical field of lithium ion batteries cathode material. The lithium ion battery lithium-enriched cathode material comprises a cathode material, and three commercial lithium ion cathode clad materials including LiCoO2, LiMn2O4, or LiFePO4. According to a preparation method, sol-gel method and water batch stirring heating are adopted so as to obtain a gel; drying is adopted so as to obtain a dried gel; low temperature presintering and high temperature sinteringare adopted respectively, and cooling and grinding are adopted so as to obtain the cathode material; the obtained cathode material and LiCoO2 and LiMn2O4 clad materials are dispersed in deionized water, constant temperature stirring, standing, filtering, washing, drying, and sintering are adopted so as to obtain the lithium ion battery lithium-enriched cathode material; liquid phase cladding is adopted for LiFePO4, the cathode material is dispersed in an aluminum nitrate enneahydrate solution, constant temperature stirring, standing, filtering, washing, drying, and sintering are adopted so asto obtain the needed modified material. The preparation method is simple; operation is convenient; the obtained lithium ion battery lithium-enriched cathode material is uniform in particle size distribution, high in degree of crystallization; the rate capability and the circulating performance of the obtained material after cladding are improved obviously.

A tissue chip for detecting autoantibody is composed of substrate and the matrix on the substrate. Said matrix may be paraffin wax coated tissue, frozen fresh tissue, or cell specimen. An indirect immunofluorescence technique is used to detect, screen and analyze a great deal of autoantibodies in the blood serum of autoimmunopathy patient.

The invention provides a preparation method of magnetorheological elastomer with high heat resistance and good tensile property, comprising the steps of a, mixing well modified carbonyl iron powder, asilane coupling agent, and methyl vinyl silicone rubber; covering the surface of the carbonyl iron powder with a polymer layer composed of methyl vinyl silicone rubber and a silane coupling agent, adding ethylene propylene diene monomer rubber, a plasticizer and reinforcing particles, and mixing well to obtain mixed rubber; b, adding the mixed rubber in an open mill, adding an antiaging agent anda vulcanizing agent, performing open milling and rubber covering, injecting the obtained material into a mold, performing pre-structural treatment under a magnetic field, and vulcanizing on a plate vulcanizing press so as to obtain the magnetorheological elastomer with high heat resistance and good tensile property. The preparation method herein overcomes the technical difficulty in the preparation of magnetorheological elastomer by ethylene propylene diene monomer rubber, and excellent properties of the magnetorheological elastomer can be exerted.

The invention relates to a colour-changing control method for liquid crystal sunglasses and a control device thereof. A control module which can output the control voltage according to the change of a light intensity sensing signal is provided, the output control voltage thereof is applied to liquid crystal lens to control the light transmission rate of the liquid crystal lens; a photoelectric change battery which can receive visible light is used to provide power for the control module, the photoelectric battery is used to input the light intensity sensing signal to an input control module; a lower limit threshold value and an upper limit threshold value of the working voltage of the control module are set, when the light intensity sensing signal applied by the photoelectric battery on the control module is lower than the lower limit threshold value of the working voltage, the control module does not work; when the light intensity sensing signal applied by the photoelectric battery on the control module is higher than the lower limit threshold value of the working voltage and lower than the upper limit threshold value, the control module works to output the control voltage varying with the light intensity sensing signal. The device has the advantages of simple structure, small volume and less energy consumption so that colour of the sunglasses containing the device can vary with the external light intensity.

The invention relates to a preparation method and application of a pancreatic cancer immunosensor based on gold electrodeposition and Au@Ag / CuO-GS as markers, and particularly relates to preparation of a sandwich-type electrochemical immunosensor for detecting pancreatic cancer tumor markers by adopting Au@Ag / CuO-GS as a detection antibody marker. By using excellent biocompatibility and high catalytic performance of the Au@Ag / CuO-GS, the prepared sensor has relatively high sensitivity and relatively wide detection range; and the detection limit can reach 1.5fg / mL.

The invention provides a method for detecting ochracin A based on the fluorescence anisotropy (fluorescence polarization) of a nucleic acid aptamer marked by a fluorescent dye tetramethylrhodamine (TMR for short). According to the method, the TMR is modified to a specific position of the aptamer of the ochracin A, the fluorescence anisotropy (fluorescence polarization) value of the TMR-marked nucleic acid aptamer is obviously changed due to the combination of the ochracin A, and the fluorescence anisotropy (fluorescence polarization) value is detected, so as to realize the quantitative detection of the ochracin A. The method has the advantages of simplicity and rapidness in operation, easiness in high throughput test, good specificity, high sensitivity and low cost.

The invention relates to a preparation method and an application of a gynecological tumor marker immune sensor constructed with ordered mesoporous carbon. The invention belongs to the technical field of novel nano-grade functional material and biosensor. The preparation method is characterized by: (1) the preparation of an ordered mesoporous carbon nano-grade material; (2) the preparation of an ordered mesoporous carbon-toluidin blue composite material; and (3) the preparation of the gynecological tumor marker immune sensor. The gynecological tumor marker immune sensor provided by the invention has the advantages of fast identification, high sensitivity, low detection limit, low cost, and convenient operation. With the gynecological tumor marker immune sensor, high-sensitivity, specific, rapid, and accurate detections of various gynecological tumor markers can be realized. Sample determination can be finished in 3min, such that batched sample determination can be realized within a short period of time.

The invention discloses a preparing method and application of a sandwich type electrochemical luminescence immunosensor for detecting a tumor marker. The method comprises the steps of synthesizing magnetic oxidized graphene, wherein a coupling reagent and a tumor marker primary antibody are immobilized onto the surface of magnetic graphite oxide in sequence to obtain the functional oxidized graphene; preparing functional carbon nitride, wherein gold nanoparticles and a tumor marker secondary antibody are immobilized onto the surface of a carbon nitride film in sequence to obtain the functional carbon nitride; finally adsorbing the functional oxidized graphene, the tumor marker to be detected and the functional carbon nitride onto the surface of a magnetic glassy carbon electrode in sequence. The obtained sandwich type electrochemical luminescence immunosensor serves as a working electrode, a platinum electrode is taken as a counter electrode and an Ag / AgCl electrode or saturated calomel electrode is taken as a reference electrode to calculate the accurate concentration of the tumor marker in a sample solution to be detected. Detection speed is high, the sensitivity and accuracy of detection results are high, and specificity is high.

The invention relates to gold nanoparticles, and provides a method for synthesizing high-concentration and high-stability oil-soluble gold nanoparticles with the particle sizes of 30-100 nm in an oil phase system under mild conditions. The method comprises the following steps: adding seed crystals into a growth solution and adding a precursor of Au to obtain the oil-soluble gold nanoparticles with the particle sizes of 30-100 nm. Short-chain organic amine is introduced into the growth solution in a seed crystal growth method, on one hand, the surfaces of small-sized Au seed crystals are exchanged to reduce the protection degree of the surfaces thereof, so that a salt precursor of the Au continues to grow more easily, on the other hand, the reduction speed of the salt precursor of the Au is reduced so as to reduce the growth speed to obtain large-sized Au nanoparticles; the method has the advantages of mild reaction conditions, good reproducibility and high yield.

The present invention relates to an amoxicillin antimicrobial containing nano silver. its preparation method and application. At the normal temperature the nano silver and amoxicillin are uniformly mixed so as to obtain the invented amoxicillin antimicrobial containing nano silver. The tests show that said invention has stronger antimicrobial effect.

The present invention relates to marketable high-density protein chip in completely new concept and comprising substrate layer, specific affinity layer and biological macromolecular layer. The protein chip may have protein, antibody or artificial short peptide dots over 1000-100000 in 10 sq cm. The present invention also relates to the process of forming high density precursor protein chip with gene transcription segment capable of performing in-situ geen transcription and translation with chip preparing instrument, and then preparing high density protein chip with no-cell protein expression system. The present invention promotes the practical use and commercialization of protein chip technology and will find its wide application in clinical diagnosis, medical research, medicine development and inspection, protein block research and other fields.

The invention provides a solar power system with a light-tracking sensor. A shading barrel is fixed on one side of a base, a convex lens of a power generation assembly is fixed on the upper end of the shading barrel, the light-tracking sensor is arranged on the inner lower part of the shading barrel, a support column is fixed on the other side of the base, a stepping motor and a solar panel are fixed on the upper end of the support column, and both a central control system and an energy storage system are fixed on the base. Through experiments, compared with the efficiency of a fixed photovoltaic power generation device, the efficiency of the system can be increased by about 30%. Compared with the efficiency of a continuous light-tracking mode, the power generating efficiencies are not greatly different from one another, but a discrete light-tracking mode is adopted, so that the motor acts slightly, and the energy consumption and energy loss are correspondingly reduced. Compared with the light-tracking device which is installed on the solar panel, one light-tracking device is utilized to realize automatic light tracking of the solar panel within a certain scope, so that the load of the motor is reduced, and the cost is lowered.

The invention discloses a high-voltage saturable pulse transformer serving as a multi-way synchronous magnetic switch, aiming at solving the problems existing in the conventional saturable transformer that the characteristics of high step-up multiple and low saturation inductance are difficultly balanced and the conventional saturable transformer cannot be used as a multi-path synchronous pulse transformer or a multi-path synchronous magnetic switch. The high-voltage saturable pulse transformer consists of a transformer inner core part, a transformer primary winding part and a transformer secondary winding part, wherein a parallel structure that m groups of magnetic rings are wrapped by m paths of primary sub-winding groups respectively is adopted; secondary windings are divided into Q groups and are uniformly distributed in the circumferential direction of the magnetic rings; and each group of secondary windings also consists of N paths of wound secondary sub-windings. According to the high-voltage saturable pulse transformer, the step-up multiple can be improved to m times of the turns Ns of secondary windings, meanwhile, synchronous step-up of Q 1:m*Ns pulse transformers is realized, the saturation inductance of transformer secondary windings of the same turns can be approximately reduced by N times, and Q groups of independent transformer secondary windings can be used as Q paths of independent magnetic switches to realize ns-level synchronous conduction.

The invention provides a multiple-phase dynamic cushion comprising a frame, at least a driving source, at least a transmission assembly, and clusters of plural strips interleaved in parallel. Taking a two-phase embodiment as an example, the two-phase strips interleave with each other, in parallel, to form the cushion's surface and alternate their tensions in turn; when one phase's strips periodically tighten to support the user's body, the other phase's strips will loosen, allowing the user's body covered by the loosened strips to take a rest, averting a pressure-ulcer risk. The driving source is energized by an altering energy, making the two strip groups alternate in loosening and tightening states periodically in turn. This invention can be converted into a portable dynamic chair when the four holes on the bottom of its four corners are inserted with legs; it can also be converted into a dynamic support for a lying human body.

The invention belongs to the technical field of intelligent materials capable of vibration attenuation and sound absorption, particularly relates to a high-damping magneto-rheological elastomer and a preparation method thereof, and aims to improve the damping characteristics and mechanical characteristics of the original polyurethane-based magneto-rheological elastomer and ensure a higher magneto-rheological effect through preparing epoxy resin / polyurethane interpenetrating network substrate on the basis of the polyurethane-based magneto-rheological elastomer. The high-damping magneto-rheological elastomer comprises the following raw materials in weight percentage: 5-10% of epoxy resin, 10-20% of polyurethane prepolymer, 60-70% of carbonyl iron powder, 4.5-10% of a plasticizer and 0.5-1% of a curing agent. The high-damping magneto-rheological elastomer has high damping and high mechanical strength as well as the application requirements of a higher magneto-rheological effect, and can be applicable to the fields of vibration attenuation, sound absorption and intelligent damping.

The invention discloses a polyaniline solid-phase micro-extraction head and a method for preparing the same. The method is as follows: an aniline monomer is made to generate electrochemical polymerization reaction on the surface of a metal head by utilization of the electrochemical method and then a polymer coating with extraction ability is formed on the surface of the metal head through regulating and controlling coating preparation conditions; the method uses 0.5 to 1.5 centimeter of the front end of a wire as a working electrode, a platinum sheet as a counter electrode and a saturated calomel electrode as a reference electrode; the electrodes are placed into 0.2M aniline-trifluoroacetic acid solution of electrolyte; the cyclic voltammetry is adopted and the scanning speed is not more than 0.025 mV / s; a prepared extraction head is steeped in organic solvent such as methanol, ethanol, toluene, methylene dichloride and so on; the extraction head is roasted for 2 to 5 hours at a temperature of between 125 and 150 DEG C and roasted for 2 to 5 hours at a temperature between 200 and 280 DEG C, and then the high-efficient solid-phase extraction head is prepared. The polyaniline solid-phase micro-extraction head prepared has high extraction efficiency, meets the requirements of trace amount analysis, and is used for quick, simple, convenient and high-sensitive green preliminary treatment of SPMEs of polychlorobiphenyl, polycyclic aromatic hydrocarbon and phthalate esters.

The invention discloses lightweight organic nutrient soil which comprises the following formula raw materials in percentage by weight: 70-80 percent of semi-fermentation plant straws or residues, 10-20 percent of bentonite, 3-8 percent of carbonized rice husk ash, 1-3 percent of organic fertilizer and 2-4 percent of expanded perlite. The lightweight organic nutrient soil prepared by adopting the raw materials is light in weight and meets the building load-carrying requirement, mixed soil is not needed, the plant quality is improved, and batch production is promoted. Correspondingly, the invention also provides a method for preparing the lightweight organic nutrient soil. The steps are simple, the operation is convenient, and large-scale production can be realized.

The invention discloses a sandwich type electrochemistry immunosensor which is prepared based on a sodamide group smectite and a nanometer multi-hole gold membrane, and belongs to the technical field of function materials and biological sense. The sandwich type electrochemistry immunosensor provided by the invention can carry out amido functionalization on the sodium group smectite, an antibody and enzyme are conveniently fixed, and meanwhile, the favorable biological activities of the antibody and the enzyme are kept; a favorable three-dimensional serial perforated structure and biocompatibility of the nanometer multi-hole gold membrane are utilized, and the favorable catalytical property of the antibody is directly fixed, and the sensitivity of the sensor is notably improved; and the sodium group smectite which is cheap and is easily available is utilized, and the cost of the sensor is greatly reduced. The sandwich type electrochemistry immunosensor provided by the invention can realize high sensitiveness and specificity and rapid exact detection of multiple tumor markers.

The invention relates to a method for breaking walls of Haematococcus pluvialis and extracting astaxanthin. The method comprises the following steps: (S1) uniformly mixing Haematococcus pluvialis powder with a concentrated sulfuric acid-alcohol system, stirring at 30-70 DEG C, and carrying out wall breaking for a preset time, so as to obtain an alcohol solution containing wall-broken Haematococcus pluvialis; and (S2) adding an extraction solvent into the alcohol solution containing the wall-broken Haematococcus pluvialis obtained in the step (S1), carrying out stirring extraction at 30-70 DEG C, layering, and concentrating supernate, so as to obtain an extract containing the astaxanthin. The method has the beneficial effects that the wall-breaking temperature and the extraction temperature are relatively low, reaction conditions are mild, the loss of astaxanthin is reduced, and the content of the astaxanthin in a crude extract can reach up to about 10%, so that the subsequent purification level of difficulty can be lowered, and the commercialization of the astaxanthin is promoted. Compared with existing methods, the method has the advantages that the operation steps are relatively simplified and the type and use amount of reagents are less, so that the energy consumption can be reduced, and the comprehensive cost can be lowered.

The invention relates to an integrated solar sea water desalinating device which is provided with a water heating tank and a vacuum pipe, wherein an air collector header is arranged at the internal upper part of the water heating tank; a fresh water tank fixed to a support is arranged under the water heating tank; a side part of the water heating tank is connected to a water replenishing tank; the water heating tank is communicated with the water replenishing tank; and a part of the vacuum pipe is inserted into the water heating tank to heat sea water, while the other part of the vacuum pipe is inserted into the air collector header to heat air. The device is further provided with a fan, wherein the air outlet pipe of the fan is connected to an aerator pipe which is located within the water heating tank; a high-temperature wet air delivery pipe connected with a condensing coil is connected to the water heating tank; the condensing coil is connected to a condenser; and a cold sea waterinput pipeline, a sea water output pipe, an exhaust pipeline and a fresh water discharge pipeline are connected to the condenser. The integrated solar sea water desalinating device is simple and compact in structure, high in efficiency and convenient for commercialization; and the device can be used not only for islands, fishing boats and the like to desalinate sea water, but also for families inwater-deficient areas to treat brackish water and domestic sewage.

The invention aims at providing a CaF2-doped LiBH4 reversible hydrogen storage material with high hydrogen storage quantity and a preparation method thereof, belonging to the hydrogen storage material modification technology. The hydrogen storage material comprises powdery CaF2 and LiBH4, the molar ratio of CaF2 to LiBH4 is 1:6, the hydrogen storage material can also comprise a catalyst TiF3, CeF3 or NbCl5, and the molar ratio of the catalyst to LiBH4 is 0.1-0.5:6. According to the invention, CaF2-doped LiBH4 with high hydrogen storage capability can be used as a hydrogen source, provides pure hydrogen for fuel cells and can be manufactured into a large-scale commercially applied portable and movable power source to be applied to electric automobiles, electronic products, military equipment and the like. CaF2 has low cost and abundant resources. By applying CaF2 to improve the hydrogen absorbing and releasing properties of LiBH4, the cost of hydrogen storage can be reduced, which is beneficial to commercialization.