62results about How to "Prove the feasibility" patented technology

The invention discloses a box-type integrated multiple micro source interface micro power grid connected system device. The exterior of the device is a box body of a container cabinet body, and the interior of the box body is of a three-room structure, wherein a front room is an operation room, a middle room is an equipment room, and a rear room is a refrigerating room. The box body adopts an alternative-direct current bus structure, wherein two buses are connected through a converter. In addition, each micro source (a micro flue gas turbine, a photovoltaic battery and a wind driven generator) and energy storage elements (a super capacitor and a storage battery) are connected on an input side of each inside corresponding converter through external terminals outside a container so as to put originally scattered converters into a box-type cabinet body, and are centralized and controlled through control chips taking charges of energy. Construction cost of communication equipment is left out, and work reliability of a micro network system is greatly improved. Compared with a traditional micro network, the box-type structure integrated device reserves operation characteristics of the original micro network, reduces micro network system installment, unloading and transportation difficulties, and is practical.

The invention discloses a method for repairing heavy metal contaminated soil by nanometer zero-valent iron. The method comprises the following steps of: filling heavy metal contaminated soil in a fiberglass-reinforced column; introducing water until constant weight is obtained; and introducing nanometer zero-valent iron suspension liquid in the fiberglass-reinforced column to perform elution on the heavy metal contaminated soil. Through the adoption of the method disclosed by the invention, heavy metal with high toxicity in the soil can be eliminated or reduced once under the condition that the original ecological structure of the soil is not damaged, and secondary contamination of nanometer zero-valent iron and heavy metal desorption are avoided; and the method has the advantages of being simple in treating technology, low in cost and obvious in treatment effect.

The invention relates to a chaotic signal generating circuit, comprising a microcontroller, a signal isolating circuit, three D/A switching circuits; each D/A switching circuit comprises 16-bit shift registers and 16-bit DAC registers and shift registers in each D/A switching circuit are connected in series to form a 48-bit shift register. Serial digital signals output by an SPI interface of the microcontroller are transmitted to a serial data input terminal of a first D/A switching circuit through the signal isolating circuit; clock signals and latch control signals output by the SPI interface are respectively transmitted to a clock input terminal and a latch control signal input terminal of the D/A switching circuit through the signal isolating circuit. In the invention, based on the chaotic circuit of the microcontroller, the Euler algorithm is adopted to carry out discretization processing on the continuous state equation of the improved generalized Lorenz system; as a result, the operation algorithm which can be appropriately realized by the microcontroller is established and folding directions of chaotic attractors and system operation modes are optional.

The invention relates to a combined clamp assembly optimizing method based on an assembly dimension path diagram. The specific process comprises the steps as follows: labeling of the elements of a combined clamp, that is, representing the clamp elements of the combined clamp by English letters in sequence from top to bottom or from left to right; automatic assembly of the combined clamp, wherein the process comprises the steps as follows: a user inputs the name or other characteristic attributes of a workpiece; a system starts performing case-based reasoning through the name or other characteristic attributes of the workpiece to search out a highly similar case; the dimensions of the clamp elements are reasonably modified according to the dimension of the processed workpiece, a plurality of schemes are given, the types and quantity of the elements are searched from an element library, whether the types and quantity of the elements meet the requirements of one scheme, if yes, the system gives the final scheme, otherwise, the system automatically eliminates the scheme. The method provided by the invention can effectively improve the assembly efficiency of the combined clamp.

The invention discloses a construction and application of a least square method-based woven fabric woven fabric elongation predicting model, and aims to provide a convenient and quick method for predicting elongation of woven fabric in an elasticity range. The construction of the model comprises the following steps: performing performance test on a woven fabric sample under the condition of the industrial standard; performing a scientific and rational analysis on the test data; establishing a multiple linear regression model with a good fitting result in combination with the least square method. The fabric elongation predicting method disclosed by the invention comprises the following steps: measuring the performance of the woven fabric sample according to the textile industrial standard;in combination with the model, quickly predicting corresponding theoretical elongation when different loads are applied within the elasticity range of the woven fabric. The method disclosed by the invention is simple and can obviously shorten the time of calculating the elastic elongation of the woven fabric, and provides a direct theoretical basis and guidance for the design for a textile mill, the application of twill woven fabric, the development of relevant products as well as reasonable utilization of raw materials.

The invention belongs to the technical field of water and soil conservation study devices, and relates to a dynamic observation device used for a slope topography evolution process. The two hosts emitparallel, equal-height and overlapping laser planes from different orientations, and the laser planes are projected onto the slope topography; an image collecting device shoots the slope topography which laser rays are projected onto at an angle perpendicular to the layer planes to form a video screenshot, the video screenshot is imported into a computer to form a three-dimensional stereogram, and then parameters such as the slope volume and the slope gradient are calculated. According to the device, by rotating rotary knobs of mechanical fine tuning devices in the topographic meter hosts, equal-interval parallel accurate adjustment of laser ray planes is achieved; according to the device, by observing a fixing bolt on a support and a worm handle rotary knob in a view screen box, moving and rotation of a camera used for image collection are controlled. The invention provides a novel topographic meter through which the spacing and the angle of a linear laser can be conveniently calibrated, and all the topographies including local deep grooves on an eroded slope can be accurately observed.

The invention provides an application of a virtual construction equipment technology based on BIM in steel bridge engineering. Research is conducted from aspects such as a fundamental theory, a BIM technology, a virtual technology and technology applications, a theoretical framework of a virtual construction technology is provided, a simulation application model of the virtual construction technology is built, and based on an AECOsim-Building-Designer platform in Bentley series software, simulation function application is conducted. According to the application, through test and application offunction models built in the application in a practical engineering project, the effectiveness and the feasibility of those simulation models are verified, so that the construction process is effectively simulated, construction equipment resources are effectively simulated, utilization of the resources are effectively analyzed, optimization of construction duration-cost is effectively conducted,and an expected goal of the application is achieved.

The invention discloses a preparation method of a low-carbon light reflecting energy-saving coating. The method comprises the following steps of: modifying various pigments-fillers by using a chelate titanate coupling agent; adding an aid and water into the pigments and fillers, and grinding the pigments and fillers into slurry; and adding a base material into the slurry for blending into the coating. The reflectivity of the coating obtained by the method is increased to 85-90 percent, and the content of VOC (Volatile Organic Compound) is greatly lowered.

The invention discloses a high-precision longitudinal and transverse wave impedance inversion method. The method comprises the following steps of firstly, further optimizing a longitudinal and transverse wave impedance reflection coefficient approximation formula on the basis of a Fatti approximation formula; secondly, building an L1-2 minimum inversion objective function of synchronous constraintof a longitudinal and transverse wave impedance low-frequency model according to a reflection coefficient odd-even decomposition theory and a Lagrangian multiplier method; and finally, solving the function by combining a difference of convex algorithm (DCA) and an alternating direction method of multipliers (ADMM) to obtain longitudinal and transverse wave impedance.

The invention discloses a method for preparing drug-carrying nanoparticles of a core-shell structure. The method comprises two parts, namely manufacture of a capillary micro-fluidic chip and preparation of nanoparticles. The invention firstly provides a micro-fluidic chip prepared from polydimethylsiloxane (PDMS) as the material for replacing the traditional coaxial syringe needle, taxol-carryingnanoparticles of the core/shell structure having the uniform particle size and narrow particle size distribution are prepared by combining with the coaxial electrostatic spraying method, the feasibility of the micro-fluidic chip for preparing drug-carrying nanoparticles is proved, and the problems that the nanoparticles prepared by the traditional method have the sudden release phenomenon and thePDMS array transmitter is not resistant to tetrahydrofuran, chloroform, acetone or other organic solvents are solved. Moreover, preparation of multilayer and composite structure nanoparticles can berealized.

The invention relates to a method for enhancing packaging efficiency of a solar module. The module included in the method comprises glass, a first EVA (Ethylene-Vinyl Acetate) adhesive film, a cell piece, an EVA cover strip, a separating strip, a second EVA adhesive film and a back plate, wherein the surface of the glass is plated with a layer of antireflection coating. Compared with the prior art, the invention has the advantages of easy cleaning of the surface of the module, no influence on the service life of the module, enhancement of the output power of the module, etc.

The invention discloses a method for inducing and differentiating human amniotic epithelial stem cells into liver cells with biological functions. The method includes the steps: 1) separating, culturing, amplifying and identifying the human amniotic epithelial stem cells, and marking the human amniotic epithelial stem cells by GFP (green fluorescent protein); 2) in-vitro induction differentiation:using third-seventh-generation human amniotic epithelial stem cells with GFP markers for test, selecting a first system containing inducing media I, II and III or a second system containing inducingmedia IV, V and VI to perform induced differentiation, and inducing and differentiating the cells by the first system (inducing time is 14-15 days) or the second system (inducting time is 22-23 days)to obtain liver sample cells which can express specific markers of the liver cells and have normal liver cell functions; 3) in-vivo transplantation: transplanting the liver sample cells generated by inducing into a body of an acute liver injury mouse. Acute liver injury can be obviously relieved, the liver function of the mouse is restored, and the survival rate of the mouse is increased.

The invention discloses a method for quickly obtaining transgenic peanuts through peanut cotylcdon. The method comprises the following steps: 1) taking agrobacterium tumefaciens in a logarithmic phase, and re-suspending, thereby obtaining transformation bacteria liquor; 2) taking mature peanut seeds to bud for 0-5 days, longitudinally cutting cotyledon into two parts, and cutting off germs at the top ends of plumular axes to obtain transformation receptors; 3) soaking the transformation receptors into transformation bacteria liquor to infect for 20-50 minutes, then, taking out the transformation receptors, putting the transformation receptors onto water-absorbing paper, and cultivating for 3-4 days under a dark condition; 4) thoroughly flushing the transformation receptors, and performing selective cultivation, thereby obtaining peanut seedlings; and 5) continuously cultivating the peanut seedlings to obtain peanut plants, identifying the peanut plants, thereby obtaining transgenic plants. The invention further discloses application of the third in preparing transgenic peanuts. According to the method disclosed by the invention, materials are easily available, operations are simple, time and cost are reduced, and transformation efficiency is high, and therefore, the method is suitable for large-scale transgenic peanut development.

The invention belongs to the technical field of pollutant detection, and particularly relates to a method for detecting water pollutants based on fluorescent MOF-plant hybrids. The method comprises the steps: embedding a fluorescent MOF into a plant body to prepare a fluorescent MOF-plant hybrid, and quantitatively detecting the content of water pollutants by adopting the fluorescent MOF-plant hybrid. According to the invention, the fluorescent MOF is embedded into the plant body, a new function is given to the plant, and the MOF can be fixed, so the pollution of the MOF to the water environment is reduced, the detection limit of environmental pollutants is low enough, and the detection is sensitive; a smartphone APP is adopted for auxiliary analysis, and the method can be used for on-sitein-situ detection of the water pollutants.

The invention discloses a making method of ramie and corn flour mixed silage. The method includes: harvesting and cutting fresh ramie; mixing the corn flour with a microbial fermentation agent evenly; mixing the fresh cut ramie with the corn flour blended with the microbial fermentation agent in proportion; filling a silage pool with the obtained mixture and performing sealing; and conducting fermentation for 18-25d so as to obtain the silage. The production method provided by the invention is simple and practicable, and has the characteristics of low cost, high crude protein content, good quality and strong practicability. The prepared silage is yellow green, has sour and fragrant smell, soft texture and no pungent smell, the stem leaf keeps the state before ensiling, and the leaf vein is clearly visible. With good palatability, the silage (fresh sample) has a lactic acid content up to 5.54mg/g, a pH value of 3.75-4.2, and a crude protein content of 11.78%. While the silage quality is improved, the fermentation time is shortened.

The invention requests protection of an elementary unit chaotic circuit based on an HP (high power) memory resistor and a capacitor (MC), wherein the elementary unit chaotic circuit comprises two elementary unit circuits in which the HP memory resistor and the capacitor are respectively connected in series and in parallel, firstly, that the two circuits are equivalent circuits is proved; then, a circuit (MC parallel circuit) is taken as a research object, superimposed periodical excitation signals are output to the circuit, the circuit generates chaotic signals, the complex dynamic behavior ofthe circuit is analyzed, and the influence of each parameter on the chaotic circuit is analyzed; finally, simulation is performed according to the circuit to obtain two elementary unit circuit waveforms in which the memory resistor and the capacitor are respectively connected in series and in parallel so as to prove the feasibility of the invention. The method is easy to realize, the components and parts are fewer, the parameter adjustment is less, the application requirement in the field of circuit model and design can be met, and the method adapts to situations in which the chaotic signalsneed to be generated.

The invention discloses a method for induced differentiation of amnion epithelial stem cells into pancreatic beta cells with biological functions. The method comprises the steps as follows: 1) separation, culture, amplification and identification of amnion epithelial stem cells; 2) induced differentiation in vitro: the second-third generation of amnion epithelial stem cells are selected for experiments and subjected to induced differentiation by a culture medium containing nicotinamide. Insulin secretion cells which can express specific markers of pancreatic beta cells and have functions of normal pancreatic beta cells are obtained by 14 days of differentiation in vitro; and 3) in vivo transplantation: insulin secretion cells produced by induction are transplanted into type-1 diabetes miceand can obviously relive the hyperglycemia state of mice.

This invention discloses a composite ceramic used in dielectric adjustable microwave devices. The composite ceramic is composed of: BaZrxTi1-xO3 (x = 0.25-0.40) 40.0-95.0 wt. %, and Mg2TiO4 5.0-60 wt. %. The ceramic has continuously adjustable dielectric constant within 100-2000 with the change of composition as well as the Zr/Ti ratio. The dielectric loss is controlled around 0.001. The adjustability varies between 15-40% (25 kV/cm) due to different compositions.

The invention discloses a 20kW three-level photovoltaic grid-connected inverter. The inverter comprises three portions including a 20kW three-level photovoltaic grid-connected inverter main circuit, aBoost control system, and an NPC inverter control system. The system employs a design without a step-up transformer, the Boost portion employs an interleaved parallel structure, the inversion portionemploys an I-type NPC three-level structure, and parameters of a system layer are designed. Aiming at the problem of neutral-point voltage balance of the NPC topology structure, the neutral-point voltage is adjusted through change of the charging and discharging time of upper and lower capacitors in a Boost circuit, a neural-point potential balance control algorithm based on a bus capacitance neural-point charge is combined, and test verification is performed. The control of the inverter employs power grid voltage orientation vector control, and the reliability of the apparatus is verified through the test.

The invention relates to a multi-park comprehensive energy system decentralized coordination scheduling method containing multi-energy interaction. The method comprises the following steps: comprehensively considering the benefits of three main bodies, namely a power distribution network, a gas distribution network and a park operator, and constructing a multi-park comprehensive energy system decentralized coordination scheduling architecture; by considering electric energy interaction and natural gas interaction among multiple parks and considering the operation safety of the power distribution network and the gas distribution network, establishing a multi-park comprehensive energy system decentralized scheduling model by taking optimal benefits of the three main bodies, namely the powerdistribution network, the gas distribution network and a park operator, as targets, wherein the multi-park comprehensive energy system decentralized scheduling model is composed of a distribution network side scheduling model and a park side scheduling model; and performing piecewise linearization processing on the multi-park comprehensive energy system decentralized scheduling model, and performing coordination solution on the linearized multi-park comprehensive energy system decentralized scheduling model by adopting a target cascade analysis method to obtain a multi-park integrated energy system decentralized coordination scheduling scheme. The method of the invention can give consideration to the interests of different main bodies, and meets the operation safety of the distribution network.

The invention relates to the field of atmospheric corrosion protection, in particular to a method using liquid drop self-bounce effect to improve an atmospheric corrosion protective property of a sample. Hydrophobic treatment is conducted on the surface of the metal sample to form a nanoscale surface, then condensation treatment is conducted on the nanoscale surface, thus liquid drops are formed on the nanoscale surface of the sample, the liquid drops self-bounces, thus the liquid drops are changed from a wetting state to a non-wetting state, and thus the atmospheric corrosion protective property of the sample surface is improved. According to the method using the liquid drop self-bounce effect to improve the atmospheric corrosion protective property of the sample, atmospheric corrosion protective theories are enriched, theoretical basis is also provided for the development of the corrosion protective technology based on the liquid drop self-bounce effect of a super-hydrophobic surface, and the method using the liquid drop self-bounce effect to improve the atmospheric corrosion protective property of the sample has potential application value in the field of atmospheric corrosion protection.