80results about How to "Achieve large scale" patented technology

The invention discloses a lost foam casting production low-carbon steel upper core disc and impact seat processing method. The method comprises the following steps: making foam polystyrene EPS into a foaming member, which has the same shape as a cast and is a little bigger than the cast; painting a plurality of fireproof coatings on the surface of the foaming member, placing the foaming member in non-adhesive moulding sands, carrying out casting on the foaming member, wherein during the casting process, the foam polystyrene EPS foaming member is burnt and gasified under the assistance of vacummizing and vibration during the casting process, and finally the molten liquid replaces the foaming member as the cast. The lost foam technology is used to manufacture upper core disc and impact seat, is capable of reducing the metal tissue defects and improving the compactness and anti-fatigue strength of metals, moreover has the advantages of high precision in size, reducing on cleanness, reduced processing time, compact tissue of products, suitability for massive production, and high automation, can greatly improve the operation environment, and has greater advantages and a vaster prospect, compared to the conventional manufacture technology of upper core disc and impact seat.

The invention relates to a microarray-type structure chip adopting micro-flow pipes and taking advantage of diameter difference of different types of cells, and micro column arrays with different intervals and different sizes are etched in the micro-flow pipes. The chip structure is formed by up-down bonding of a silicon Si material negative-film substrate and a soda-lime glass upper cover. According to the different intervals of the column micro structure, the microarray-type structure chip can be divided into two series: variable interval and fixed interval; and according to the different sizes of the column micro structure, the microarray-type structure chip can be divided into a plurality of types: ranging from 2-30 [mu] m. The microarray-type structure chip is characterized in that: when a liquid fluid containing the different types of cells flows through the chip micro structure, and passes through the column microarrays with different intervals and diameters, different types (different sizes) of cells can be captured by different micro column array structures, and retained on the different micro column arrays with different micro structures in the pipes, and the captured results can be observed and analyzed by used of a microscope. The microarray-type structure chip has the characteristics of micro volume, flexible and customizable structure, no moving parts and the like, and can be widely applied to capture and analysis and other fields of various cancer cells in the blood, and comprehensive analysis and measuring and calculating determine of the cell type and quantity in the blood of patients can be conducted through use of different kinds of chips.

The invention discloses an artificial aphid propagation method. Peas are utilized as a host plant to culture aphids and collect, select and store the propagated aphids. The artificial aphid propagation method realizes the large-scale, low-cost and standardized production of the aphids, makes the annual production of the aphids be possible and provides sufficient fodder or adding ingredients of artificial fodder for the growth and the propagation of natural enemy insects.

The invention provides an F-P cavity based MIMO (Multiple-Input Multiple-Output) antenna. The antenna structurally comprises a metal floor, a plurality of excitation sources, a medium cavity and a partially reflecting surface, wherein the medium cavity is located between the metal floor and the partially reflecting surface and forms an F-P resonant cavity structure together with the metal floor and the partially reflecting surface; and the plurality of excitation sources are placed in the medium cavity. Each excitation source can be constituted by a single single-polarized or dual-polarized antenna or be constituted by a single-polarized or dual-polarized antenna array formed by a plurality of antennas, so that the antenna space can be more sufficiently utilized under the premise of not increasing the size of the antenna on the basis of the original single-port high-gain F-P resonant cavity antenna, and a compact multi-port high-gain MIMO antenna design scheme is obtained. Therefore, alarge-scale antenna array is achieved, and each port can get high gain.

The present invention is process of inducing indefinite bud and somatic embryo of North America redwood leaf and regenerating plant, and belongs to the field of forestry cell engineering breeding technology. The technological scheme includes inoculating stem apex of North America redwood in MS culture medium for secondary culture, taking 28-32 day and 30-40 day cultured test tube plantlet and making the far axial plane contact with the culture medium to dark culture for 30 days, transferring to fresh culture medium to culture for other 20 days, and transferring for light culture. In SH culture medium containing BA 0.5 mg/L+KT 0.2 mg/L+IBA 0.2 mg/L and BA 0.5 mg/L+IBA 0.5 mg/L, indefinite bud and somatic embryo are induced successfully. The present invention makes it possible to realize the large scale, short period and low cost industrial production of North America redwood nursery stock, and has important cytology significance.

The invention relates to a continuous triple-effect falling-film concentration and vacuum crystallization system and method in potassium nitrate production through a double-decomposition method. The continuous triple-effect falling-film concentration and vacuum crystallization system comprises a mixing tank, a concentration preheater, a backflow triple-effect concentration device, an ammonium chloride crystallizer, a thickener and a centrifuge, which are sequentially connected. The continuous triple-effect falling-film concentration and vacuum crystallization method comprises the following steps: adding potassium nitrate mother liquid and ammonium nitrate into the mixing tank for uniformly mixing, subsequently conveying to the mixture to the concentration preheater for preheating, feeding into the backflow triple-effect concentration device for concentration, feeding into the ammonium chloride crystallizer for crystallization after concentration, further sequentially feeding into the thickener and the centrifuge, separating a solid ammonium chloride product from the centrifuge, and returning the separated solution as a circulating mother liquid to a potassium nitrate production process through the double-decomposition method for circulation. Under the condition that the number of concentration equipment is not increased, the continuous triple-effect falling-film concentration and vacuum crystallization system and method in potassium nitrate production through double-decomposition method, provided by the invention, can achieve large-scale and continuous production, and the production efficiency is improved.

The present invention discloses an amido reinforced graphene film, a nitrogen doped graphene film and a preparation method thereof. The method includes the following steps: extruding a graphene oxide solution by a device with an in-line die orifice nozzle; staying, solidifying and reducing in a mixed liquid of liquid amine solidification liquid and a reducing agent for self-assembly into a film, and drying, wherein the temperature of the mixed liquid is 60-95 DEG C, and the stay time is more than 0.5 h. The method has the wide raw material sources and low cost; the preparation method uses graphene oxide solution as raw material, realizes solidification, reduction and self-assembly into amido reinforced graphene film through one step, has the advantages of low reaction temperature, simple operation, green and environment-friendliness, and can realize large-scale continuous preparation. The amido reinforced graphene film prepared by the method has good strength and toughness, excellent thermal conductivity and electrical conductivity, and broadens the scope for subsequent application. The amido reinforced graphene film can increase the electrical conductivity and mechanical properties of the film.

The invention relates to a preparation method of a multi-response graphene/graphite oxide film. The method comprises the following steps of: ultrasonically dispersing the graphite oxide in deionized water to obtain a graphite oxide aqueous solution, and then, regulating the pH value to 2-6 by using acid; placing an active metal plate in the graphite oxide aqueous solution, placing the graphite oxide aqueous solution on a horizontal platform and maintaining temperature of 10-15 DEG C, standing, taking out the active metal plate 1-7 days later, washing, drying, and peeling off the film, then, thereby obtaining the multi-response graphene/graphite oxide film. The preparation method provided by the invention is simple, and can implement large-scale and low-cost production.

The invention relates to a method for protecting solar panels from sand, dust, rain and snow, which belongs to the technical field of new energy. The invention also relates to a method for adjusting the angle of the solar panels. The method comprises the following steps: a plurality of solar panels (a) are sequentially arranged in the air without obstacles; the solar panels (a) are sequentially connected in series by connecting rods (15) to form an integral body; the connecting rods (15) are driven to move so as to drive the solar panels (a) to rotate in the same direction at the same time, and lighted surfaces (21) are changed to be upward, downward, inclined or upright so as to achieve the goal of preventing sand, dust, rain and snow. The scheme has the characteristics of simple and novel design, simple installation and strong practicability, has the advantages of low fault rate and low maintenance cost and can realize large-scale, remote and automatic control.

The embodiment of the invention provides a multi-conversation interaction method and device. The multi-conversation interaction method comprises the steps that demand information of a terminal user is received; according to the demand information of the terminal user, a target function corresponding to the intention of the terminal user is judged; the target function is called; a first-stage correlation function of the target function is obtained, and a first trigger expression corresponding to the first-stage correlation function is obtained; the first trigger expression is sent to the terminal user, whether the first-stage correlation function is sent or not is judged according to the received response of the terminal user to the first-stage correlation function. According to the embodiment, different services are associated, and defined multi-service combination is achieved. High service and algorithm coupling in the prior art is eliminated based on unified function definition specifications, accordingly large-scale and multi-scene application of a multi-conversation interaction technology is achieved, the multi-conversation establishing efficiency is greatly improved, and the multi-conversation interaction technology is improved to a new height.

The invention relates to a gene engineering preparation method of bioactive peptide containing human alpha defensin 5 and discloses a method for constructing expression vector of bioactive peptide gene containing human alpha-defensin 5 and for screening and fermenting in high density transformed yeast cloning strain thereof and the method for separating and purifying the bioactive peptide in fermentation supernatant. The invention also discloses the application of the bioactive peptide containing human alpha defensin 5 in preparing polypeptide medicine. The invention is applicable to realization of high efficiency fermentation expression through simple operation in the industrialized production scale and low-cost and high-efficiency purification and preparation of the bioactive peptide containing human alpha defensin 5 capable of highly effectively killing multiple pathogenetic bacteria and resisting virus such as HPV.

The invention relates to a globoidal cam indexing device for realizing a large indexing number. The globoidal cam indexing device mainly comprises an indexing box, an input shaft, an output shaft, a globoidal cam body which is fixedly connected onto the input shaft, and an indexing plate component which is fixedly connected onto the output shaft. Roller axes in the indexing plate component are all intersected with an axis of an indexing plate; the input shaft and the output shaft are perpendicular in a staggered manner; lobe crests on a cam body are meshed with rollers in the indexing plate component and comprise four stages, namely a first stopping stage, a first indexing stage, a second stopping stage and a second indexing stage; the profiles of the lobe crests of the two indexing stages are variable lead spiral lobe crests; the first stopping stage is a circular lobe crest; and the second stopping stage comprises two circular lobe crests. In the rotating process of the cam body by a circle, the indexing plate generates indexing rotation for two times and stopping for two times; in addition, an index angle of the output shaft at each time is one half of a central angle between every two rollers, i.e., the indexing number is equal to twice a roller number; and the large indexing number can be realized without changing the geometrical size of the indexing plate.

The invention discloses a process for performing glass printing by using three-dimensional ink. The process comprises the following steps of: cleaning a plate; laying the three-dimensional ink on the plate; baking for forming; cooling; printing a coating; baking; finishing; and the like. The process for performing glass printing by using three-dimensional ink provided by the invention is environment-friendly and efficient, can show a highly three-dimensional forming effect and can realize large-scale batch production in production practice.

The invention discloses a steel slag activity exciting agent, active steel slag powder comprising the same and application of the active steel slag powder. The steel slag activity exciting agent comprises kaolin, diatomite, dried sludge, alkali metal carbonate, alkali metal chlorate, N-acyl glycine sodium, FeCl3 and a lanthanide catalyst, wherein the alkali metal carbonate is Na2CO3 or K2CO3; and the alkali metal chlorate is KClO3 or NaClO3. The components are uniformly mixed and ground to 200-400 m < 2 >/kg, and the steel slag activity exciting agent is obtained. The steel slag active exciting agent is sprayed into fluidized steel slag discharged from a boiler, and then uniform mixing, cooling, and grinding are conducted to obtain active steel slag powder. The exciting agent can improve the grindability of the steel slag, greatly improve the activity of the steel slag, realize resource utilization of sludge and reduce environmental pollution.

The invention provides an automatic batching, high-speed stirring and cold-mixing system, which comprises a powder feeding system, a liquid feeding system, a high-speed stirring machine and a cold-mixing machine, wherein the powder feeding system comprises a loading machine and a storage bin; the loading machine is provided with a power system and connected with the storage bin through a loading pipeline; the liquid feeding system comprises an oil tank; the oil tank is connected with a liquid conveying metering pump and a metering oil storage tank through a pipeline in series; an oil return pipe and a valve are arranged between the metering oil storage tank and the oil tank; the high-speed stirring machine comprises a powder bin and a mixing chamber; a feeding pipeline communicated with the loading machine is arranged above the powder bin; a liquid spray pipe is arranged in the mixing chamber; the liquid spray pipe is arranged at the joint of a liquid conveying pipeline between the metering oil storage tank and the mixing chamber; the liquid conveying pipeline and the valve are arranged between the mixing chamber and the metering oil storage tank; the cold-mixing machine comprises a cold-mixing chamber and is arranged below a discharging cylinder of the high-speed stirring machine; and a discharging cylinder of the cold-mixing machine is arranged on the side wall of the cold-mixing chamber. The automatic batching, high-speed stirring and cold-mixing system disclosed by the invention has the advantages of being high in automation degree, rapid in speed and accurate in metering and is applied to large-scale continuous production.

The invention relates to the field of preparation of graphene materials and provides a method for preparing graphene by continuously bombarding through electron beams. The method comprises the following steps: firstly, prefabricating graphite into a large-area graphite plate; continuously bombarding the graphite plate by utilizing accelerated electron beams in a scanning manner; meanwhile, stably blowing the graphite plate by micro-airflow; bombarding the graphite plate through the electron beams to enable the graphite to obtain energy to enter a high energy state, so as to break an inter-laminar hydrogen bond; blowing by the micro-airflow and eroding the graphite to form the graphene. According to the method provided by the invention, the problem in the prior art that a mechanical force cannot be controlled so that crystal lattices of the graphene are broken is solved; the prepared graphene has high quality; the graphene is realized in a large-scale, low-cost and clean manner; furthermore, the industrialized development of the graphene is promoted.

The invention particularly relates to a modularized water electrolysis hydrogen production system and a control method thereof.The modularized water electrolysis hydrogen production system comprises a renewable energy power generation system, an energy management monitoring system, an electrolysis unit module set and an energy storage system, and the renewable energy power generation system comprises a renewable energy power generation device and a rectification inversion device; the electrolysis unit module group comprises a plurality of electrolysis unit modules, the energy storage system comprises an inversion device and an energy storage battery pack, and the energy management monitoring system is in communication connection with the renewable energy power generation system, the electrolysis unit module group and the energy storage system; the method comprises the steps of obtaining the number of electrolysis unit modules in a production state, a standby state and a shutdown state, calculating the residual load sum P < total > of the electrolysis unit modules in the production state and the standby state, predicting the generating capacity increments delta P1 and delta P2 of the renewable energy power generation system in the next time period and the next time period according to a weather forecast system, and according to the relationship among the delta P1, the delta P2 and the Ptotal, how to convert the state of the electrolysis unit and the conversion quantity are determined.

The invention discloses a perfusion type bioartificial liver reactor based on a double-layered nitrocellulose membrane, which comprises a box body and a cell scaffold arranged in an intracavity of the box body, wherein a liquid inlet, a liquid outlet, an air inlet and an air outlet are arranged on the box body, and the cell scaffold is double-layered nitrocellulose membranes; the two long sides of the double-layered nitrocellulose membranes cling to the inner walls of the front side and the back side of the box body, and the two ends of the double-layered nitrocellulose membranes are fixed onthe inner walls of the left side and the right side of the box body; and the double-layered nitrocellulose membranes divide the intracavity of the box body into upper and lower independent spaces, and a culture medium flows in the upper and lower independent spaces to exchange substances. An interval space between the two layers of the double-layered nitrocellulose membrane is used as a three-dimensional growth space of liver cells, and the cells grow in the interval space, so that substances are fully transmitted and the damage of shearing force to the cells when the liquid flows can be simultaneously avoided, and simultaneously the immune isolation effect can be achieved.