118results about How to "High originality" patented technology

The invention discloses a method and device for data interaction and data structure interaction between a non-relation type database and a relation type database. The method comprises the steps of obtaining a first physical model of a source database, defining data characteristics and query characteristics of the database corresponding to the first physical model, generating an intermediate model according to the first physical model, the data characteristics and the query characteristics, converting the intermediate model into a second physical model of a target database according to preset strategies, the data structure of the intermediate model and the data characteristics and the query characteristics included by the intermediate model, establishing a mapping relation of the first physical model, the intermediate model and the second physical model, and exporting data in the source database into the target database according to the mapping relation. According to the method of the embodiment, the intermediate model is established between the data model of the relation type database and the storage structure of the non-relation type database, and therefore model supporting is provided for carrying out conversion on the storage structure and data between the relation type database and the non-relation type database.

The invention relates to a preparation method of an SD rat T cell-deficient genetic model, and belongs to the technical fields of genetic engineering and genetic modification. Specific knockout on a key gene Lck, which is in charge of controlling development of rat T cells, is achieved in a rat by virtue of a CRISPR-Cas9 system, so that the SD rat T cell-deficient genetic model is obtained. According to the preparation method provided by the invention, two specific targeting sites, which are targeted to the rat Lck gene, are determined for the first time, and experiments prove that the specific targeting sites are quite high in shear efficiency; two sgRNAs are simultaneously adopted to conduct targeting on the rat Lck gene, and the large-fragment deficient gene knockout rat is obtained, so that in one aspect, the targeted gent completely loses functions, and in the other aspect, subsequent detection is also facilitated. The constructed T cell-deficient SD rat animal model is great significance to immunity and disease researches.

The invention relates to a noble metal doped particles and metallic oxide film integrated gas sensor and a preparation method thereof. The integrated gas sensor comprises a substrate, a heating electrode, a heat-conductive insulating layer, a detecting electrode and a metallic oxide film, wherein the heating electrode is prepared on the substrate, the heat-conductive insulating layer is arranged between the heating electrode and the detecting electrode, and the metallic oxide film is covered on the detecting electrode; the integrated gas sensor is characterized in that noble metal particles are deposited on the metallic oxide film, and the noble metal particles are monatomically covered on the metallic oxide film, the coverage degree of the noble metal particles is 0.05-10% of the surface area of the metallic oxide film and the particle size is 0.2-0.4nm. The integrated gas sensor can effectively improve the gas sensitivity and the gas stability of the metallic oxide film; the metallic oxide film doped with noble metal particles can achieve the sensitivity improved to 9.46 of the noble metal and metallic oxide film from 1.51 of the pure metallic oxide film when used for testing 200ppm ethyl alcohol gas; furthermorethe gas sensitivity reaction temperature of the metallic oxide film is only 150 DEG C.

This invention relates to a long-distance monitoring and alarming system of the environmental water quality. It is mainly composed of the sensing detection assembly, the data collecting / processing device, the wireless network communication module assembly and the center station of environmental water quality monitoring. The sensing detection assembly is made up of varies water quality indicating detectors and the corresponding sensor feeler. The data collecting / processing device has the functions of collecting and processing the simulate signals of immediately detected various water quality indexes, and transforming them into digital signals. The monitoring center station has the functions of immediate storing and analysis processing, sending out indicating alarm in time when the condition of above-norm., and in virtue of public radio communication network, carrying out mutual data transmitting.

The invention relates to a pool ecological breeding method for coilia nasus by filling river water to accept fries, and belongs to the technical field of fry accepting and breeding. The method is characterized by comprising the following process steps: (1) selecting a soil pool along the river; (2) using a silk cover net to set a special fry accepting area; (3) when the fry amount reaches 1 to 3 fish per liter, adopting a water pump to accept the fries in time; (4) adopting the measures of pouring soybean milk and throwing ovigerous shrimps by a netlike box to breed natural food organisms; (5) when the temperature of water in the pool is below 10 DEG C, carrying out separation and wild removal operations for advanced fry in the fry accepting pool; (6) adopting the ecological technical measures such as throwing fermented organic fertilizer, stocking juvenile shrimps, breeding silver carp and the like to strictly adjust and control water quality and breed the coilia nasus in a special pool; and (7) breeding the coilia nasus to a period of two winters, and fishing the coilia nasus to sell according to the market demand. The method effectively breaks through the pool breeding problem of the coilia nasus, obtains the coilia nasus which has the same quality as wild coilia nasus, further achieves artificial breeding of the coilia nasus on a deeper level, builds a good ecological environment, and can remarkably improve the survival rate of the fries.

The invention discloses a preparation method of an ethanol gas sensor component having an ultrafast response recovery property. In the preparation method, LaFexO3 nano particles in non-stoichiometric ratio prepared through a sol-gel method are employed as a working substance to prepare a beside-heating-type ceramic tube gas sensor component. By means of reduction of a relative element ratio of iron to lanthanum in a precursor, the carrier concentration is increased and the resistance of the component is reduced. By means of selection of a proper La / Fe element ratio, size of crystal grains is reduced and oxygen adsorption capacity is improved, so that the gas sensor is improved in sensitivity on ethanol, is reduced in working temperature and is reduced in response recovery time. A LaFe0.8O3 beside-heating-type ethanol gas sensor prepared in the invention can reach 138 in the sensitivity on ethanol in 1000 ppm at the working temperature of 140 DEG C, wherein the response and recovery times are respectively 1 s and 1.5 s. The gas sensor is less than 22 in all sensitivities on methane, acetone, carbon dioxide and glycerol in 1000 ppm. The gas sensor is high in sensitivity, is low in the working temperature, is ultrafast in response recovery property and is high in selectivity at the same time on ethanol, and is low in cost and is environmental-friendly.

The invention discloses a determination method of a minimum sampling area and a minimum sampling interval of a forest monitored sample plot in a Karst region. The method includes (1) determining a Mulun Karst national natural protection original forest as a research region; (2) establishing a dynamic monitoring sample plot on the Mulun protection area according to CTFS (center for tropical forest science) sample plot building standard; (3) dividing the whole sample plot into 50 sample squares of 20m X 20m and recording names, diameters, heights, crown breadth, three-dimensional coordinates growing states and the like of individual trees with the diameter more than or equal to 1cm; (4) selecting community structure attribute indexes of intensity, average crown breadth, coverage, significance and average height, and diversity indexes of tree species, Shannon-Wiener index, Simpson dominance index and evenness in 200 small sample squares of 10m X 10m; and (5) analyzing data with SPSS16.0\GS+ software, and determining the minimum sampling area and the minimum sampling interval of the monitored sample plot of a Karst mixed evergreen and deciduous broadleaved forest. The method is easy to implement, convenient to operate and accurate in acquired data, and provides important basis for guiding the establishment of dynamic monitored sample plot of southwestern Karst forests.

The invention relates to a method and apparatus for implementing a multi-business software smart card chip. The method comprises that: a novel memory, for implementing the operation of stored independently of each other between a plurality of business software codes through a core operating system and separated on the hardware using business software system, can implement the safe protection and coexistence between different source business software, the valid check and the treatment for illegal operation of the core operating system and the business software code are implemented by the hardware circuit. The apparatus includes: a business software module independent memory and hardware separating area for implementing the operation for stored independently of each other by the core operating system and each business software module code and separated on the hardware; a valid operation check module for judging the range of present operating application software business functional module, and transmitting the illegal operation indicating signal beyond the range to the illegal operation treating module; an illegal operation treating module for treating the illegal operation indicating signal transmitted by the valid operation check module, and carrying out the optimization process for the part control signal of the smart card chip.

The invention discloses a huperzia serrate endophytic fungus which is obtained from a pteridophyte, namely, a huperzia serrate plant by adopting a separating and purifying technology, is named Ceriporia lacerate HS-ZJUT-C13A and is collected in the China Center for Type Culture Collection on October 28, 2012 with the collection number CCTCC M 2012433. The strain provided by the invention can be used for preparing a compound, namely, 8alpha, 15alpha-epoxydized huperzine A with a nerve protection effect. A conversion method has the advantages of simple fermentation conditions, high substrate conversion rate and the like, is easily cultures the strain, has the potential of industrial large-scale production, is a novel way for obtaining the compound, protects valuable and rare medicinal huperziaceae plant resources from being damaged and can provide a novel thought for reliving the current situation of lack of huperzine A in clinical administration.

The invention discloses a method for preparing ethylen-propylene rubber / polypropylene thermoplastic flexible tube, which uses single-screw plastic extruder to mold tube. And said method comprises: (a) drying that drying rubber in 50-100Deg. C for 1-4 hours; (b) extruding: selecting single-screw plastic extruder whose length-diameter rate is 20-38:1; and the temperature at each step of extruder is: head temperature in 145-220Deg. C, extruding section in 145-220Deg. C, plastifying section in 140-210Deg. C, feeding section in 140-200Deg. C; and selecting pin and pourer according to the size of final tube; (c) cooling that when the plastic is extruded from the head, using cycle water to cool and mold it in 140-200Deg. C. the invention can avoid sulfuration, and prepare EPDM+PP tube in one molding process. And it can solve the defects of low flexibility and hard transportation of present PVC tube; and inventive tube has better original, anti-aging and anti-oil properties to meet the demand of vehicle industry.

The invention discloses a method for degrading sterol compounds in tobacco extract with a biological method. According to the method, sterol degrading bacteria are separated from surfaces of tobacco by the aid of a culture medium, expansion culture of microorganisms is performed by the aid of a seed culture medium, cells at the logarithmic phase are collected, the tobacco extract is inoculated with the cells, and fermentation is performed. With the adoption of the method, the microorganisms for degrading sterols are separated from the surfaces of the tobacco, after expansion is performed by the aid of the seed culture medium, the cells at the logarithmic phase are acquired and added to the tobacco extract, the sterols in the tobacco extract can be effectively degraded, and the total degradation rate of the sterols is up to 35.5%. The sterols are precursor compounds of a hazardous substance, namely, benzopyrene, of the tobacco, and the method provides a reference for biological harm reduction for the tobacco, has the very high originality and is expected to be applied to the reconstituted tobacco production process capable of reducing the benzopyrene.

The invention provides a small sewage treatment hydrolysis and gas-stripping and precipitation technique method which comprises the following steps of: underground sewage, integrated anaerobic hydrolysis acidifying adjustment lift pump pond, integrated sewage treatment pond for Z type gas-stripping reflux two-stage precipitation, and up-to-standard emission. The anaerobic hydrolysis acidifying adjustment lift pump pond is adopted to replace various conventional and non-conventional comprehensive pretreatment procedures, the integrated sewage treatment pond for Z type gas-stripping reflux two-stage precipitation is adopted to replace procedures of a fine-rack girt chamber, an A / O biochemical reaction basin, a nitration liquid internal-reflux pump basin, a secondary precipitation basin, a sludge internal-reflux pump basin, a sludge external-reflux pump basin, a coagulation-flocculation reaction basin and an inclined-tube precipitation basin, a contact sterilization basin and the like in an A / O activated sludge method. The method has the advantages of being small in occupied space, less in investment and medicine consumption and sludge discharge, low in energy consumption and cost, stable and controllable in water quality, simple and convenient to run and manage, especially suitable for high-efficiency and compact treatment of nitrogen and phosphorus removal of sewage of ten thousand tonnage / per day and below.

The invention relates to a confocal laser scanning microscope. An objective table of the confocal laser scanning microscope is additionally provided with a heating device; a temperature measuring device and an infrared detector are additionally arranged between an objective lens and a sample platform of the confocal laser scanning microscope; and heat image processing software is additionally arranged in a computer system of the confocal laser scanning microscope. The confocal laser scanning microscope relates to the following novel detection characterization techniques: (1) the microstructures of materials can be researched; (2) the distribution condition in a large range is directly observed by applying impurity or doped phase fluorescence excitation; (3) fluorescence is captured to dynamically track; (4) a system is focused for many times to obtain images with different depths; and three-dimensional imaging can be implemented for samples through computer processing; and (5) the heat and mass transfer processes of various materials can be synchronously dynamically researched when the temperature is changed, so that material phase changed thermodynamics and dynamics mechanisms can be built.

The invention discloses a method for preparing a high-sensitivity low working temperature ethanol gas sensor element. LaFeO3 nanoparticles prepared through an improved sol gel method are selected as a working substance to prepare an indirectly heated ceramic tube gas sensor element. Through the adding of ethylene glycol (EG) in a precursor, the distribution uniformity of positive ions in a solution and the hole carrier concentration in particles are increased, neither heavy metal nor rare earth precious metal is added, and element resistance is reduced. Through introduction of a secondary sintering process, particle sizes and agglomeration phenomena are reduced, the content of particle surface Fe4+ions and oxygen absorption capability are improved, and thus ethanol sensitivity is improved and the working temperature is lowered. The LaFeO3 indirectly heated gas sensor element prepared through the method can have sensitivity of 46 for 200 ppm of ethanol under a working temperature of 112 DEG C, is high in sensitivity to the ethanol and low in working temperature and has the advantages of being low in cost and environmentally friendly.

The invention discloses a magnetorheological fluid recovery device and method based on a centrifugal separation effect, belonging to the field of magnetic waste liquid recovery equipment. The recovery device comprises an outer barrel, an inner barrel, an adsorption pipe and a filter net, wherein the inner barrel is installed in the outer barrel in a rotating manner by virtue of a bearing and is driven by a motor, and a filter hole communicating the inside and outside of the inner barrel is formed in the side wall of the inner barrel; the adsorption pipe is arranged in the middle of the inner barrel, and a coil is arranged in the adsorption pipe; the filter net is arranged on the inner side wall of the inner barrel and covers the filter hole; and the outer wall of the outer barrel is provided with a recovery check valve. The method utilizes the recovery device to allow carrier liquid and magnetic substances to make reverse motion under the dual effect of a centrifugal force and a magnetic field, so that the carrier liquid and the magnetic substances can be separated and recovered. By adopting the magnetorheological fluid recovery device and method, the magnetic substances of magnetorheological fluid can be separated and recovered from the carrier liquid. The magnetorheological fluid recovery device is simple in structure, easy to operate, high in recovery efficiency of the magnetic substances and also capable of reducing the subsequent treatment difficulty of the carrier liquid.

The invention relates to a method for evaluating performance of a multistage hydraulic jetting fracturing pipe column. A stress intensity safety factor mechanical analysis method is adopted mainly. Before jetting fracturing construction, combination, load, stress and deformation analysis on the multistage hydraulic jetting fracturing pipe column under static and dynamic working conditions is performed according to well completion production technical requirement specifications, mechanical property of the multistage hydraulic jetting fracturing pipe column under each working condition is accurately evaluated, and thus suggestions on parameters suitable for jetting fracturing pumping of each layer section are put forward, so as to achieve the purpose of evaluating pipe column safety in one time and guaranteeing construction safety. The method is suitable for evaluation on performance merits of the multistage hydraulic jetting fracturing fixed (or dragged) pipe columns of vertical wells and horizontal well, optimization of pipe column combination and oil testing fracturing construction design parameters can be guided, true and effective reference data is provided for underground pipe column performance detection, so that the pipe column stress safety factor is improved, and pipe column accidents are reduced.

The invention discloses a method for restoration of heavy metal-polluted soil in rice farmland, and belongs to the field of heavy metal treatment technologies of farmlands. The method includes the following steps: (1) preparing a reagent; (2) packing the reagent prepared in the step (1) into adsorption balls, and packing the adsorption balls into a chemical bag so as to obtain a heavy metal adsorption device; (3) burying the heavy metal adsorption device obtained in the step (2) into mud until being just buried when rice seedlings are planted; (4) recovering the reagent, and taking the heavy metal adsorption device out of the soil when rice is harvested; and (5) drying the adsorption reagent particles obtained in the step (4) in the sun until complete dryness so as to realize recycling ofwaste resources. A diatomaceous earth component is added to the reagent so that the reagent has a good adsorption effect, an in-situ restoration method is adopted, heavy metal can be separated from the farmland soil through the adsorption reagent particles, and the adsorption reagent particles along with crops can be taken out of the farmland soil in the crop harvest season, so that the problem ofhard treatment of heavy metal-polluted farmland soil is solved, and the original organic structure of the soil is not damaged.

The invention belongs to the technical field of gas sensors, and provides a high gas response and selective LaFeO3-based ethanol gas sensor element and a preparation method thereof. LaFeO3 and BaTiO3nano powder are prepared by a sol-gel method and mixed at a molar ratio of 2:1; the mixture is sintered for 2 h at 190-210 DEG C, a nano gas-sensitive material is obtained, and a side-heating ceramictube structure gas sensor element is obtained. The oxygen adsorption capability of the surface of the nano-gas sensitive material is enhanced, and the gas response and selectivity are significant improved at lower operating temperatures. The optimum operating temperature of the gas sensor element for ethanol is 128 DEG C; the gas response to 100 ppm ethanol at the optimum operating temperature is102.9, and good stability is achieved; for 100 ppm acetone, dichloromethane, n-hexane, carbon dioxide and hydrogen and the like, the gas response is 38 or below, and good selectivity is achieved; andthe gas sensor element has a very high gas response to low concentration ethanol gas.

The invention relates to a dual-purpose wine packaging box which comprises an outer box and an inner box, wherein the outer box is formed by a hand bag and a dustproof fixed support; the inner cover is formed by a box cover, a box body, hemp ropes II and a box bottom; the box bottom is formed by an upper-layer clamping support and a lower-layer clamping support, an inner groove I is formed in the center of the upper-layer clamping support, an inner groove II is formed in the center of the lower-layer clamping support, a wire passing hole is formed in the bottom of the upper-layer clamping support, the box body is arranged above the upper-layer clamping support, the box cover is arranged at the top of the box body, the upper end and the lower end of the box body are both provided with the hemp ropes II, the wire passing hole corresponds to a hemp rope hole at one side of the box bottom; a hemp rope I passes through the box bottom and the clamping supports to fix the box body, the box cover and the box bottom; when wine is filled into the upper-layer clamping support, the box cover, the box body, the clamping supports and the box bottom are nested with one another in a combined way; the hemp ropes arranged at the box bottom are tied up at the top end of the box cover; and when a lamp bulb is put into the lower-layer clamping support, the box cover, the box body and the clamping supports are nested with one another in a combined way, and an electric wire is connected with a power source through the wire passing hole. The dual-purpose wine packaging box has the characteristics of being simple in structure, steady, uneasy to deform and practical.

The invention discloses a high-performance flame-retardant ABS composite material. The high-performance flame-retardant ABS composite material comprises the following components in parts by weight: 28to 73 parts of ABS resin and 5 to 50 parts of POK polyketone resin, wherein the POK polyketone resin has a melt index of larger than 120 g / 10 min under the test conditions of 240 DEG C and 2.16 kg. According to the invention, the POK polyketone resin with specific structure is creatively alloyed with ABS, so the technical bottleneck problem of compatibility of a resin system is well solved, and mechanical properties of the material are greatly improved; meanwhile, due to advantages of the POK resin, the material has the characteristics of excellent weather resistance, solvent resistance, heatresistance and the like, so disadvantages of a conventional flame-retardant ABS alloy material are compensated, and great industrial application value is obtained. Meanwhile, the invention also provides a preparation method for the high-performance flame-retardant ABS composite material.

The invention discloses a plant endophytic fungus. The endophytic fungus is classified and named as Bjerkandera adusta ZJUT-HS8; and the strain (the endophytic fungus) is preserved in China Center forType Culture Collection with preservation number of Bjerkandera adusta CCTCC M2017159 on March 31, 2017 in Wuhan University, Wuhan Province of China. According to the strain provided by the invention, a compound, namely 8[alpha], 15[alpha]-epoxidized huperzine A, which has a neuroprotection curative effect, can be prepared by virtue of a biological transformation method. The method, as a novel way for preparing huperzine A derivatives having a neuroprotection effect, has the advantages of being simple in fermentation conditions, easy in strain culture and high in transformation yield, and themethod has a potential of industrial development and the like; therefore, a new idea is provided for the preparation of the active huperzine A derivatives.

The invention belongs to the technical field of rock ring shear tests, and relates to a stacking ring shearing box and a stacking ring shearing test based on the stacking ring shearing box. The stacking ring shearing box comprises a water bath mechanism, a test sample chamber mechanism and a test sample fixing mechanism, wherein the water bath mechanism comprises a water baht box; the test specimen chamber mechanism is arranged in the water bath box; a groove is formed in the center position of the bottom surface of the water bath box; two or more than two bulges are arranged on one circumference using the center position as the circle center; the water bath box can rotate through being driven by an external twisting mechanism; the unlimited deformation stacking ring type annular shearingof the different-height rock soil test can be met; in addition, in the annular shearing process, certain freedom and continuity of a test sample are ensured; the stacking ring shearing box and the stacking ring type shearing test can be used for studying the contact surface deformation rules of different materials, simulating complicated structure soil layer slide long-distance deformation and searching soft and weak layers.

A wireless speaker system is provided. The system includes at least one main light emitting diode (LED) lighting device including a Bluetooth module and a wireless audio module. The system also includes at least one auxiliary LED lighting device including a wireless audio module. Further, the system includes a smart terminal configured to send data to the main LED lighting device through a Bluetooth protocol. The wireless audio module in the main LED lighting device transmits the data to the auxiliary LED lighting device. The auxiliary LED lighting device sends feedback data to the smart terminal through the main LED lighting device.

The invention discloses a cooling type transformer substation dispatching system and a method thereof. The cooling type transformer substation dispatching system comprises an inspection robot transportation platform, a lifting platform, a lifting control device, a fixing device, a communication module and a dispatching server; a cabinet body consists of a bottom wall plate, a left wall plate, a right wall plate, a front wall plate and a rear wall plate which surround the bottom wall plate and are respectively connected with the left side, the right side, the front end and the rear end of the bottom wall plate; vertical sleeves which extend into the cabinet body are respectively arranged at the two pairs of vertex positions of the upper end surface of the cabinet body; the vertical sleeves are fixed to the interior of the cabinet body; in addition, an accommodating cavity which extends into each vertical sleeve is formed in the upper end surface of the corresponding vertical sleeve. Combining the method thereof, the defects that an adverse effect generated on the operating of the dispatching server caused by the interference on the operating of the dispatching server in the cuboid-shaped shell produced by the accumulation of particular impurities, the working state of the communication module cannot be kept well, and the consequence of stopping working can be caused in the prior art are effectively avoided.

The invention discloses a magnetorheological fluid recovery device and a treatment method based on ionization and centrifugation, and belongs to the technical field of magnetic waste liquid recovery and treatment. The device includes an outer barrel, an inner barrel, an adsorption tube, and a filter screen. The inner barrel is rotatably mounted in the outer barrel through a bearing and driven by a motor. The sidewall of the inner barrel is provided with filter holes that communicate with the inside and the outside, and the adsorption tube is arranged in the inner barrel. In the middle of the body, a coil is arranged in the adsorption tube, an electrode plate is arranged in the inner barrel, a filter screen is arranged on the inner side wall of the inner barrel and covers the filter hole, and a recovery stop valve is arranged on the outer wall of the outer barrel. The method of the invention realizes the separation and recovery treatment of the magnetorheological fluid through ionization treatment, centrifugal breaking treatment and centrifugal separation treatment. The present invention processes the magnetorheological fluid, separates and recovers the main dispersed particles and the carrier liquid, does not need any treatment agent for preliminary treatment in the early stage, and has high recovery efficiency, and the recovered carrier liquid can be used as a new carrier liquid after a little treatment.

The invention relates to a preparation method of an NOD-genetic background neutropenic humanized mouse model, and belongs to the technical field of genetic engineering and genetic modification. The preparation method comprises the step of knocking out a Gfi1 gene from an NOD mouse to obtain the NOD-genetic background neutropenic humanized mouse model. The invention achieves specific knockout of the key gene Gfi1, which controls mouse neutrophil development, from the NOD-genetic background mouse model through a CRISPR / Cas9 system for the first time, and the novel NOD-genetic background neutropenic humanized mouse animal model is obtained. The mouse model has the potential of accepting heterotransplantation and provides a new concept for development of a brand-new humanized mouse.

The invention discloses a method, apparatus and system for realizing real-time information interaction of frequency modulation broadcasting. The method comprises the following steps: step 1: an information providing terminal (also called a real-time information providing entity) sends real-time information to a server (also called a real-time information transfer entity); step 2: the server processes the received real-time information; the processing comprises performing frequency modulation on the real-time information; step 3: the server broadcasts the modulated real-time information through a frequency modulation channel; and step 4: an information receiving terminal (also called a real-time information receiving entity) receives and processes the real-time information; the information receiving terminal decodes the modulated real-time information, obtains the decoded real-time information and displays or broadcasts the real-time information. By adoption of the method, apparatus and system disclosed by the invention, bidirectional information interaction of the terminal and the broadcasting server can be realized to transmit the real-time information.