38results about How to "Large Δε" patented technology

Bipolar and field effect molecular wire transistors are provided. The molecular wire transistor comprises a pair of crossed wires, with at least one of the wires comprising a doped semiconductor material. The pair of crossed wires forms a junction where one wire crosses another, one wire being provided with Lewis acid functional groups and the other wire being provided with Lewis base functional groups. If both wires are doped semiconductor, such as silicon, one is P-doped and the other is N-doped. One wire of a given doping comprises the emitter and collector portions and the other wire comprises the base portion, which is formed by modulation doping on the wire containing the emitter and collector at the junction where the wires cross and between the emitter and collector portions, thereby forming a bipolar transistor. Both NPN and PNP bipolar transistors may be formed. Analogously, one wire may comprise doped semiconductor, such as silicon, and the other wire a metal, the doped silicon wire forming the source and drain and the metal wire forming the gate by modulation doping on the doped silicon wire where the wires cross, between the source and drain, to form a field effect transistor. Both P-channel and N-channel FETs may be formed. The construction of both bipolar transistors and FETs on a nanometer scale, which are self-aligned and modulation-doped, is thereby enabled.

The invention relates to an integrated Doherty amplifier with an input network connecting the input to the main stage and to the peak stage, and with an output network connecting the main stage and the peak stage to the output. The output network has a shunt capacitor to signal-ground in parallel to a parasitic capacitance of the main stage, and has a shunt inductor between the main stage and signal ground. The shunt configuration enables to use the MMIC Doherty amplifier in a wide frequency range. At least some of the inductors of the input network and / or output network are implemented using bond wires. Their orientations and locations provide minimal mutual electromagnetic coupling between the wires and the return RF current paths.

The invention discloses a high-yield cultivation method for pollution-free bletilla striata. According to the method, a beneficial symbiotic bacterium nutrient solution obtained after orchidaceae rhizobium or orchidaceae mycorrhizal fungi are subjected to artificial cultivation and separation and humus soil are subjected to propagation fermentation, then nutrient soil is prepared, and after the nutrient soil and soil in planting trenches are mixed, field transplantation of tissue culture seedlings is performed; then intertillage weeding, topdressing and reasonable insect prevention are performed in the growing period, and harvesting can be performed after two years of growth. The method has the advantages that due to combination of symbiotic bacteria and an ecological planting technology, generation of bletilla striata new roots and large tubers are promoted, and meanwhile EM pest preventing liquid is used so that disease and pest damage can be totally avoided; compared with a traditional planting method, the harvested bletilla striata is large in size and small in individual difference, superior products can be over 95%, the yield per mu is increased by 40-50%, and the method has good economic benefits, social benefits and ecological benefits.

The present invention relates to the following seamless steel pipes excellent in strength, toughness and weldability, particularly suitable for submarine flow lines, and a manufacturing method thereof.An as-quenched seamless steel pipe having a chemical composition consisting of, by mass %, C: 0.03 to 0.08%, Mn: 0.3 to 2.5%, Al: 0.001 to 0.10%, Cr: 0.02 to 1.0%, Ni: 0.02 to 1.0%, Mo: 0.02 to 0.8%, Ti: 0.004 to 0.010%, N: 0.002 to 0.008%, Ca: 0.0005 to 0.005%, and the balance Fe and impurities, with not more than 0.25% of Si, not more than 0.05% of P, not more than 0.005% of S, less than 0.005% of Nb, and less than 0.0003% of B as the impurities, and having a microstructure consisting of not more than 20 volume % of polygonal ferrite, not more than 10 volume % of a mixed microstructure of martensite and retained austenite, and the balance bainite. B can be 0.0003 to 0.001%. Mg and / or REM can be contained. The manufacturing method is characterized by the cooling rate during quenching.

The invention relates to an air source heat pump unit and an operating method thereof. A compressor is communicated with an indoor heat exchanger through a first on-and-off valve and a four-way reversing valve; the indoor heat exchanger is connected with a bidirectional liquid accumulator through a first one-way valve; one path is connected to the compressor through an anti-frosting coil, a third throttle valve, an outdoor heat exchanger, the four-way reversing valve, the bidirectional liquid accumulator and a second on-and-off valve; the other path is connected to the compressor through an electromagnetic valve, a second throttle valve and the second on-and-off valve; the first one-way valve is connected in parallel with the first throttle valve; the third throttle valve is connected in parallel with a second one-way valve; the compressor is communicated with the outdoor heat exchanger through the first on-and-off valve and the four-way reversing valve; and the outdoor heat exchanger is connected with the bidirectional liquid accumulator through the second one-way valve and the anti-frosting coil, and then is connected to the compressor through the first throttle valve, the indoor heat exchanger, the four-way reversing valve, the bidirectional liquid accumulator, and the second on-and-off valve. The air source heat pump unit has the advantages of wide temperature application range, frosting delay, and high-efficiency operation all year round.

The invention discloses a double-sided titanium steel composite plate taking IF steel as a transition layer and a high-temperature preparation method thereof. A composite blank for preparing the composite plate comprises a base material, the IF steel and a titanium composite material, wherein the base material is plain carbon steel or low alloy steel with C less than or equal to 0.22%, the titanium composite material is industrial pure titanium TA2, the thickness ratio of the base material to the titanium composite material is 5-10, the length and width of the titanium composite material are smaller than those of the base material, and the margin between the titanium composite material and four sides of the base material is 60-100 mm; and the vacuum welded composite blank is heated to 1040-1060 EDG C for heat preservation, the heat preservation time is 1 min / mm * the total thickness of the composite blank, the initial rolling temperature is 1020-1040 DEG C, the single-pass reduction rate is 15%-25%, the total reduction rate is greater than or equal to 70%, the finish rolling temperature is greater than or equal to 850 DEG C, air cooling is carried out to a room temperature, the thickness of the rolled IF steel transition layer is 280-320 [mu]m, and the double-sided titanium steel composite plate with the thickness of 6-75 mm is obtained after plate splitting, and excellent corrosion resistance and mechanical properties are achieved.

The invention relates to a method for producing a TC4 titanium alloy wide and thick plate by adopting a direct rolling process. The production technological process comprises the steps of EB ingot casting, primary heating, primary rolling, cooling, secondary heating, secondary rolling, annealing and aftertreatment. The steps are specifically as follows: 1) EB ingot casting: an EB furnace is used for smelting, and a TC4 titanium alloy EB slab ingot is obtained; 2) primary heating: after metal layers with the thickness of 3-5 mm on the two faces of the TC4 titanium alloy EB slab ingot are milledaway, the primary heating is conducted in a continuous heating furnace; 3) primary rolling: a blank is rolled back and forth through a wide-width medium-thickness plate rolling mill, and after hot straightening, the blank is cooled to the room temperature; 4) secondary heating; 5) secondary rolling: the blank is rolled back and forth through the wide-width medium-thickness plate rolling mill, andafter hot straightening, the blank is cooled to the room temperature; and 6) annealing. The method has the advantages of short process, low cost, high yield rate, high production efficiency, good surface quality, small differences of plate width and vertical and horizontal mechanical performance, and excellent organization.

Provided are an energy-saving control method and system for a river water source heat pump system. The method comprises the following steps that S1, building standard cold and heat energy consumptionlarge data are built; S2, according to the building function, energy using time and load distribution difference, by combination with the building standard cold and heat energy consumption large data,building refinement partitioning is conducted, a cold and heat energy requirement dynamic curve of all subzones of a building is generated, and the dynamic curve is updated once at fixed intervals; and S3, according to the cold and heat energy requirement dynamic curve of the building, the large hysteresis quality and nonlinearity of an air conditioner system are considered, the river water source heat pump system is divided into an equipment starting stage, a steady-state operation stage and an equipment halt stage, and staged control is conducted; and the temperature changes of river waterare monitored in real time, and when the temperature difference of inlet and outlet water of a river water source heat pump unit exceeds the set value, corresponding water pumps are controlled in a variable-frequency mode, and the water flow is adjusted. The invention further discloses the energy-saving control system for the river water source heat pump system. The energy-saving control method and system for the river water source heat pump system have the advantages of being high in efficiency, stable, free of pollution, small in energy consumption, remarkable in energy-saving effect and thelike.

The present invention discloses a paulownia wood core material used for sandwich structures, the material applied by the paulownia wood core material is paulownia wood, and the present invention is characterized in that the paulownia wood fibre of the paulownia wood core material (1) is vertical to the direction of the panels (2) of the sandwich structure, and the present invention is divided into a paulownia wood flat board core material and a paulownia wood profile board core material. Used for various forms of sandwich structures, such as a composite material sandwich structure, metal panel sandwich structure, etc., the present invention is characterized in strong compression-resistant and shearing-resistant capability, lightness, toughness, flame resistance, fatigue resistance, warp resistance and low cost, and mass production is easy.

The present invention relates to a compound having a 2-fluorophenyloxymethane structure and useful for organic electronic materials and medical and agricultural chemicals, particularly materials for liquid crystal display elements.A problem to be solved by the invention is to provide a compound having relatively large Δ∈, relatively high T→i, low viscosity (η), and high miscibility with other liquid crystal compounds, and also provide a liquid crystal composition containing the compound as a constituent component.The present invention provides a compound having a 2-fluorophenyloxymethane structure and also provides a liquid crystal composition containing the compound and a liquid crystal display device using the liquid crystal composition.

The invention discloses a method for manufacturing a hollowed-out embossed hollow stone column through a computer. The method comprises the steps of the drawing of a hollowed-out embossed pattern by the computer, the programming of cutting positions of the hollowed-out embossment by the computer and the simulation of combination of the hollowed-out embossed patterns by the computer. As the method uses computer drawing of a large-scale hollowed-out embossed pattern, the programming of the cutting positions, the simulation of the pattern combination and other modes and adopts computer typesetting manufacturing technology to simulate the large-scale hollowed-out embossed hollow stone column, the method simulates out the three-dimensional integral effect of the large-scale hollowed-out embossed stone column and also represents the hollowed-out depth degree of stone carving. The method simulates the hollowed-out degree of an embossed pattern through the computer, further optimizes the hollowed-out pattern to ensure the hollowed-out quality of embossment before the carving operation, also can provide intuitional reference for the three-dimensional effect of the hollowed-out embossment of the large-scale stone column, better determines the cutting position of the embossment and has the advantages of accurate positioning, easy assembly, high mounting precision, high hollowed-out quality, and the like.

The invention discloses a preparing method for an inoculant for a cam shaft. The preparing method includes the following steps that 60-75% of Si, 0.01-1.0% of Al, 0.05-0.5% of Ca, 0.1-1.0% of Ba, 3-5% of Cr, 0.03-0.05% of V, 5-8% of Nd, 0-1% of Mn and the balance Fe which are evenly mixed are smelted, stirred, cooled and crushed; then Fe3O4 powder is mixed; and the mixture is pressed into a cluster and then crushed. The invention further discloses specific application of the inoculant for the cam shaft. By means of the inoculant for the cam shaft, the comprehensive performance of the cam shaft can be improved, and the inoculating efficiency is improved.

The invention discloses an insurance anti-fraud method for identifying drunk driving insurance switching based on operator data, and relates to the technical field of vehicle insurance claim anti-fraud automatic discrimination algorithms. The method comprises four parts, namely an insurance company, an operator PAAS platform (Platform-as-a-Service), an operator deep analysis cloud system and an insurance science and technology company, and each part establishes a TCP (transmission control protocol) connection through an application programming interface, and transmits the related data. The insurance anti-fraud method for identifying the drunk driving insurance switching behaviors adopts a big data modeling technology, establishes a vehicle insurance claim settlement anti-fraud system basedon the operator data, and during the claim settlement case checking process, can mine and analyze from different angles based on the user behavior data, such as the user call records, the call positions, etc., and scores the insurance reports reasonably in a targeted manner.

A glass composition including SiO2 in an amount from about 69.5 to about 80.0% by weight, Al2O3 in an amount from about 5.0 to about 18.5% by weight, MgO in an amount from about 5.0 to about 14.75% by weight, CaO in an amount from 0.0 to about 3.0% by weight, Li2O in an amount from about 3.25 to about 4.0% by weight, and Na20 in an amount from 0.0 to about 2.0% by weight is provided. Glass fibers formed from the inventive composition may be used in applications that require high strength, high stiffness, and low weight. Such applications include, but are not limited to, woven fabrics for use in forming wind blades, armor plating, and aerospace structures.

The invention discloses a high-performance double-sided titanium steel clad plate taking IF steel as a transition layer, and a preparation method thereof. A composite blank for manufacturing the cladplate includes IF steel, a titanium composite and a base material; the base material is plain carbon steel or low alloy steel with C being less than or equal to 0.22%; the titanium composite is industrial pure titanium TA2, the thickness ratio of the base material to the composite is 5-10, the length and width of the titanium composite are less than that of the base material, and the edge distances of the titanium composite from the four edges of the base material are 60-100 mm; the composite blank after seal welding can be heated to 900-920 DEG C to perform heat preservation, the heat preservation time is 1 min / mm * the total thickness of the composite blank, an initial rolling temperature is 880-900 DEG C, a finish rolling temperature is greater than or equal to 800 DEG C, air cooling can be performed to room temperature, a single pass reduction rate is greater than or equal to 15%, the first three pass reduction rates are greater than or equal to 20%, and the total reduction rate isgreater than or equal to 75%; and the thickness of the produced clad plate is 6-45 mm, and the thickness of an IF steel transition layer is 80-120 [mu]m. Thus, the clad plate is suitable for structures which have corrosion resistance requirements for inner and outer surfaces and consider integral mechanical properties.

A business intelligent system provided by the present invention comprises a data source, a business intelligent display platform, a tool layer and a platform layer. The data source transmits data to the platform layer, the platform layer transmits data to the tool layer, the tool layer transmits data to the business intelligent display platform, and then the business intelligent display platform displays to the terminal users. The business intelligent system of the present invention adapts to the data of rapid change, large quantity and multiple dimensions, guarantees the data readability, also guarantees the display consistency of the data on different medium terminals, and extracts the connotative and previously unknown information and the information having the potential values from the mass data by using a statistics analysis mathematical method and an artificial intelligence algorithm.

The invention discloses a protection-integrated shaped combined formwork and a construction method. The protection-integrated shaped combined formwork comprises a combined formwork, a workbench and supporting rods, wherein the combined formwork is arranged on the ground, the workbench is arranged on the top of the combined formwork, and the supporting rods are arranged on the periphery of the combined formwork; the combined formwork is a vertically-arranged square column-shaped formwork and comprises a first formwork unit and a second formwork unit, and the first formwork unit and the second formwork unit are oppositely arranged. According to the protection-integrated shaped combined formwork and the construction method, a modular combined structure is adopted, compared with traditional wood formwork splicing operation, the efficiency is effectively improved, the formwork turnover rate is increased, labor is saved, the formwork standardization degree is increased, the construction cost is reduced, and the construction progress is accelerated; the formwork is provided with a protection system, a protection structure does not need to be erected for the second time, construction safety is guaranteed, meanwhile, operation convenience is effectively improved, and construction efficiency is improved; a set-shaped steel formwork is adopted, the structural dead weight is light, the plate width is large, assembling joints between the formworks are reduced, and the good deformation resistance is achieved.

The invention relates to a dewatering device for foundation pit construction and a slurry treatment method using the same, and belongs to the technical field of .The dewatering device for foundation pit construction comprises a horizontally-arranged fixing shaft and supporting columns connected to the two ends of the fixing shaft; the supporting columns are arranged in a liftable mode, and the distance between the supporting columns is larger than the width of the dumper. A dewatering mechanism for separating mud and water is arranged on the fixed shaft, and a mud inlet pipe and a water outlet pipe are connected to the dewatering mechanism; and the dewatering mechanism can output the obtained mud after separating the mud from the water. The dumper can transport muddy water generated in pile foundation engineering, the transportation cost is reduced, and the transportation efficiency is improved.

The invention discloses a method for separating and preparing 4-O-methyl hematoxylin, which combines a column chromatography technology and a preparative high performance liquid chromatography technology, and can separate and obtain 4-O-methyl hematoxylin with the purity of more than 95.0% from hematoxylon. The 4-O-methyl hematoxylin prepared through separation is high in purity, large in preparation amount, rapid, efficient and suitable for batch production of the 4-O-methyl hematoxylin.

The invention discloses a fusion protein, a double-deaminase-mediated base editing system containing the fusion protein and application of the double-deaminase-mediated base editing system. The fusion protein comprises nuclease, cytosine deaminase and adenine deaminase, and the nuclease comprises SpCas9 protein containing D10A mutation. The fusion protein and sgRNA can form a compound to form a double-deaminase-mediated base editing system, in the system, after the sgRNA and the fusion protein form the compound, the sgRNA can guide the fusion protein to recognize and cut a target sequence, and various types of base editing are generated. By using the base editing system provided by the invention, multi-type single base conversion or multi-base simultaneous conversion of C-to-G, C-to-T, C-to-A, A-to-G and the like can be efficiently realized, and random insertion or deletion of a plurality of bases can be realized. Therefore, the system can be used for constructing a gene saturation mutation library or researching a development trajectory of a specific cell group.

The invention discloses a superimposed integral type prefabricated shear wall edge component and a mounting method Most of existing assembled prefabricated wall components are manufactured in a solid mode with large weight, and field hoisting machinery type selection is high, so that the building cost is increased. Prefabricated wall component sleeves are high in price, and the quality of the prefabricated wall component sleeves goes wrong easily. The component is composed of a back concrete thin plate (9) and at least one face concrete thin plate (1). The back concrete thin plate and the face concrete thin plates are connected through steel bar frameworks or truss steel bars, and every two adjacent face concrete thin plates are connected through steel bar frameworks or truss steel bars. Pouring cavities (2) are formed between the back concrete thin plate and the face concrete thin plates and between every two adjacent face concrete thin plates. The method is used for the superimposed integral type prefabricated shear wall edge component and mounting thereof.

The invention relates to the technical field of glass cooling, in particular to a tempered glass cooling device. The tempered glass cooling device convenient to adjust is provided. A tempered glass cooling device comprises a long mounting plate, a conveying component, a glass width detection component, an exhaust component and the like. The long mounting plate is provided with a conveying part, the conveying part is provided with a glass width detection part and an exhaust part, the glass width detection part is connected with the exhaust part, the long mounting plate is provided with a driving speed adjusting part, and the driving speed adjusting part is connected with the conveying part. When wide glass is cooled, the limiting frame does not block the area of the air guide holes in the square frame to be enlarged, so that the wide glass can be comprehensively cooled, when narrow glass is cooled, the narrow glass makes contact with the bevel driven plate, the limiting frame does not block the area of the air guide holes in the square frame to be small, and therefore the narrow glass can be fully cooled. Therefore, the effect of reducing waste of cold air can be achieved.

The invention discloses an image data set construction method for morphological prior constrained oracle bone text detection. The method comprises the following steps of: extracting noise-free single character images and interference element images containing spot noise, platy stripes and inherent textures from a real oracle bone rubbing image, and respectively forming a single character font image data set and an interference element data set; extracting pixels of an effective character font area by using a binary mask, and generating a noise-free oracle bone rubbing simulation image through random rotation, scaling and bit operation based on the binary mask by taking oracle bone character morphological characteristics as constraints; positioning a bounding box of a character area through histogram scanning, and generating an XML annotation file conforming to the VOC2007 standard; and through random rotation, scaling and binary mask modes, superposing interference elements and single character images, thereby constructing an image data set for oracle bone divination character detection.

The invention discloses a system for generating digital information by using accumulation fund information as a conversion condition. The system comprises user registration, real name authentication,digital information generation, digital information generation storage, an application scene, accumulation fund information uploading and matching information. According to the invention, the digitalinformation is generated by taking the the accumulation fund information as the conversion condition, and the value of the digital information is improved after the digital information is generated, so that a user can accept the digital information more easily, the enterprise burden can be reduced, and the accumulation fund information can generate the digital information to bring actual benefitsto the user and secondary utilization and redistribution of wealth can be achieved; the digital information is used as a drainage tool, merchants are willing to accept accumulation fund information ofusers to generate digital information points, the users are encouraged to consume, consumption is stimulated, economic growth is driven and national medical social insurance expenditure burden reduction is promoted, and the digital information system can be used for scene interaction, and promotion of culture and consumption industries.