146results about How to "Increase the distribution" patented technology

A modified montmorillonite with exposed and increased electric charges on its end face and between layers, lower ordered structure in C axis and improved curative effect for the reversible therapy of chronic atrophic gastritis is disclosed. Its preparing process is also disclosed.

The invention discloses a graphene-based electric conductor and a preparation method thereof. The graphene-based electric conductor comprises a layered structure; the layered structure comprises graphene layers (1) and substrate layers (2) which are alternately arranged; and each graphene layer (1) is compressed between two adjacent substrate layers (2). The preparation method of the graphene-based electric conductor includes the following steps that: one or more graphene layers are laminated with two or more substrate layers, so that a graphene layer and substrate layer alternately connected sheet can be formed; and the sheet is compressed, so that the graphene layer can be compressed between two adjacent substrate layers, so that a layered structure can be formed, and the graphene-based electrical conductor is obtained. The graphene-based electric conductor of the invention has the advantages of low resistance and small electric power loss. With the graphene-based electric conductor and the preparation method thereof adopted, power transmission efficiency can be improved, the distribution range of a power grid can be expanded, and compression processing can be facilitated.

The invention provides a method for improving moderately-severely hardened saline-alkali land. The method includes the following steps that 1, biological amendment is applied to the moderately-severely hardened saline-alkali land, and rotary tillage and deep plowing are conducted after application of the biological amendment; 2, land preparation is conducted on the land obtained after rotary tillage and deep plowing are conducted, furrows are arranged, and the peripheries of the furrows are provided with drainage ditches communicated with the furrows; 3, sapling container bags are arranged on the formed furrows, and pinus sylvestris ssp.kulendensis is planted in each sapling container bag. By means of the method, the land utilization rate and land yield can be raised, and saline alkali of soil and the distribution range of plant root systems are improved.

A lighting apparatus includes an optical member with a diffractive optical element. The optical member is directly fixed on a substrate with plural lighting chips. When the lighting apparatus is applied to a laser diode module, the height and volume of the overall laser diode module are reduced. Consequently, the laser diode module is suitably applied to a small-size device.

The invention discloses a fingerprint identification device and a fingerprint identification method. The fingerprint identification device comprises a fingerprint acquisition module, an analog-to-digital conversion module and a control module which are connected sequentially, the analog-to-digital conversion module comprises a quantified voltage generator for generating quantified voltage, the fingerprint acquisition module is used for acquiring fingerprint information, the analog-to-digital conversion module is used for carrying out analog-to-digital conversion for the fingerprint information and outputting quantified fingerprint information data, and the control module is used for controlling the quantified voltage generator to adjust the output range of quantified voltage according to the distribution range of the fingerprint information data in order to broaden the distribution range of the quantified fingerprint information data. Consequently, with the simple circuit and low cost, the fingerprint identification device realizes the dynamic regulation of fingerprint image contrast. By increasing the analog-to-digital conversion resolution of the fingerprint information, the invention increases the grey information contrast and signal-to-noise ratio of the fingerprint image, thus ultimately increasing the rate of subsequent fingerprint identification.

The present invention relates to a narrow gap-big gap combined microwave plasma reaction cavity, belonging to microwave plasma excitation technique field. The reaction comprises a vacuum column shape reaction cavity which is arranged vertically, and the upper part and the lower part of the reaction cavity are both sealed by a demountable flange. An annular wave guide with a rectangular-shaped cross section is winded in the middle part of the reaction cavity. The inner wall of the annular wave guide is coincided with the outer wall of the cavity. The inner wall of the annular wave guide is opened with a narrow gap which is corresponding to the wave node quantity of the standing wave inside the annular wave guide. The narrow gap is positioned at the standing wave node. The outer wall of the annular wave guide is opened with a through hole which is used for connecting with the drop-leaf mode wave guide switch or with the coupled antenna. The present invention is characterized in that the inner wall of the annular wave guide is opened with a big gap which is used for forming a symmetric high field inside the reaction cavity, and the high filed is strongest in the middle and then decreased periphery outward gradually; and the high filed is complemented with the electric field formed by the narrow gap to make the electric field is evenly distributed inside the reaction cavity. The present invention has the advantages of effectively improving the distribution of the electric field, producing more even plasma which can also exist inside the middle of the cavity.

The invention relates to an environment-friendly continuous transformation method for a shale gas well after hydraulic fracturing. Shale gas production undergoes a desorption-diffusion-seepage process, a complex seam net is formed through hydraulic fracturing, only the gas seepage capacity is improved, and gas desorption-diffusion is almost not influenced, so that the gas well post-fracturing exploitation initial-stage yield is decreased gradually and quickly. Meanwhile, the dosage of single well fracturing fluid is large, the flowback rate after fracturing is generally lower than 30%, and reservoir damage is induced by retained fracturing fluid. Due to the fact that the characteristic that organic matter and pyrite in shale are easy to decompose under the conditions of reduction environment deposition and oxidation, shale matrix is further transformed by adding an oxidizing agent into the fracturing fluid and inducing the shale pore crack dissolving and expanding effect through oxidative corrosion in combination with the characteristic that a large amount of fracturing fluid is retained, and gas desorption-diffusion capability is improved, the gas well hydraulic fracturing effectis enhanced, and the gas reservoir recovery rate is increased. The invention belongs to the technical field of petroleum and natural gas exploitation, and relates to an environment-friendly continuoustransformation method for a shale gas well after hydraulic fracturing.

An image processing device includes a first extension ratio calculation section adapted to calculate a first extension ratio based on a grayscale value included in first image data, a second extension ratio calculation section adapted to calculate a second extension ratio based on a grayscale value included in second image data, a first extension section adapted to correct the grayscale value included in the first image data based on the first extension ratio, a second extension section adapted to correct the grayscale value included in the second image data based on selected one of the first extension ratio and the second extension ratio, and a combination section adapted to generate composite image data obtained by combining the first image data having the grayscale value corrected by the first extension section and the second image data having the grayscale value corrected by the second extension section with each other.

The invention provides an improved NSGA-II-based hybrid ship multi-objective energy optimization method. Through building a diesel generating set fuel consumption model, a diesel generating set pollutant emission model and an endurance capability model of the hybrid ship, a joint objective function and corresponding constraint conditions are given, and finally, through an improved NSGA-II algorithm, solution of the objective function is carried out, and an output power solution set for the diesel generating set and a battery pack in best response to the power demand for ship operation is obtained.

The invention discloses a heat exchanging plate, a machining method and a heat exchanger, and relates to the field of heat exchanging equipment. Two flow gathering grooves and a groove-shaped flow channel are formed in the first surface of the heat exchanging plate, and the two flow gathering grooves are located at the two ends of the heat exchanging plate correspondingly; the groove-shaped flow channel comprises at least one hierarchic flow channel and net-shaped flow channels, wherein each hierarchic flow channel is located between the two flow gathering grooves in a communicating mode, and comprises two main flow channels which mutually communicate with the two flow gathering grooves correspondingly, and the two main flow channels communicate with each other through at least two first branch flow channels; the net-shaped flow channels are formed between adjacent first branch flow channels and are in fluid communication with the first branch flow channels; and meanwhile, the area of the cross section of each net-shaped flow channel is smaller than the area of the cross section of each first branch flow channel, and the hierarchic flow channels and net-shaped flow channels form leaf-vein-shaped fluid distributing structures. According to the heat exchanging plate, the machining method and the heat exchanger, through combined action of main driving force of the hierarchic flow channels and capillary force of the net-shaped flow channels, the distribution evenness of fluid is effectively improved, the effective heat transfer area is increased, so that the flow rate of the fluid under the same flow quantity is reduced, and therefore resistance is reduced.

Disclosed is a feed carrier receptacle for use in a rotary feed dispensing mechanism, which includes a box, a feed loading opening, and separation partitions. The feed loading opening is formed in the box. The separation partitions are arranged inside the box and every adjacent separation partitions and an inside surface of the box form a feed compartment, which communicates the feed loading opening and is provided with a feed discharge opening and a brush adjacent to the feed discharge opening. When put into rotation, the feed loaded in the receptacle is generally rotated in unison therewith to move toward the feed discharge openings and is subject to a frictional force as contacting the brush so that the feed, when passing through the brush, is caused to rotate by itself and thus may fly over a long distance. This increases the distribution range of feed.

The invention discloses an intra-frame prediction method and device, an encoder and a storage device. The intra-frame method includes defining the reference lines at a first side, a second side, a third side and a fourth side of a current encoded block, wherein the first side and the second side are adjacent and in an encoding direction of the current encoded block, and the third side and the fourth side are adjacent and in an encoding reverse direction of the current encoded block; obtaining a projection prediction value corresponding to the compensation pixel in the current coding block in each angle mode on a reference line, wherein the projection prediction value comprises a first projection prediction value in an angle mode direction and a second projection prediction value in an angle mode reverse direction; and respectively carrying out weighted average on the first prediction value and the second prediction value of each compensation pixel to obtain an angle mode prediction value of each compensation pixel, the first prediction value being obtained by using the first projection prediction value, and the second prediction value being obtained by using the second projection prediction value. In this way, the spatial redundancy removal effect can be improved.

The invention discloses an efficient cable winding drum with an automatic cable arranging function, relates to the technical field of cable winding drum equipment, and aims to solve the technical problems that the winding efficiency of an existing cable winding drum is low and the distribution of cables is not uniform. The efficient cable winding drum comprises a base, a roller mechanism is arranged on the right side of the top surface of the base, the roller mechanism comprises a left fixing plate, a right fixing plate and a connecting shaft, a sliding mechanism is arranged at the bottom of the left fixing plate and the bottom of the right fixing plate, a winding drum body is arranged on the connecting shaft, an annular groove is formed in the right wall of the winding drum body around the axis of the winding drum body, first tooth grooves are formed in the inner wall of the annular groove, the first tooth grooves are matched with a gear arranged inside the annular groove, the gear isconnected with a rotating motor, a toothed plate is perpendicularly fixed on the left wall of the left fixing plate, the top surface of the toothed plate is parallel to the top surface of the base and is provided with second tooth grooves, the bottom surface of the toothed plate is parallel to the top surface of the base and is provided with third tooth grooves which are the same as the second tooth grooves in structure, and the second tooth grooves and the third tooth grooves are meshed with a transmission device. The efficient cable winding drum with the automatic cable arranging function has the advantages of being high in wiring efficiency, uniform in winding distribution and high in reliability.

The invention discloses a multi-frequency equalization carrier slope random distribution pulse width modulation method to increase the equivalent bandwidth of symmetrically distributed harmonics centered on multiple carrier frequencies to realize the increase of the uniform distribution of the harmonics in a frequency domain. The method comprises steps of (1) selecting a required random carrier sequence and a modulated wave and comparing the two to generate a switching device driving signal for pulse width modulation; (2) determining a multiple n of an equivalent carrier frequency f of the random carrier sequence and selecting a main circuit topology; and (3) inputting the switching device driving signal generated in the step (1) to the main circuit topology in the step (2) and performingmulti-frequency equalization carrier slope random distribution pulse width modulation. The method of the invention can greatly improve the frequency domain distribution bandwidth of the harmonics without changing the mean and variance of the random carrier sequence, and realize the more uniform distribution of a plurality of harmonic peaks near the carrier and the multiplier thereof in a wider frequency domain.

The invention relates to a high-receiving-sensitivity passive RFID system with optical link connection. By the adoption of an optical link structure, the high-receiving-sensitivity passive RFID system has the advantages of being easily applied to wiring in different environments, being very low in optical link loss under a long-distance transmission circumstance, being suitable for transmission of large volumes of data and the like, and therefore the distribution range of an antenna is enlarged, the receiving sensitivity of the system is improved, and the system is suitable for application scenarios when a large number of electronic tags are identified. The problems that according to an existing passive RFID system, the range of tag identification is small, and identification accuracy is low are solved. The high-receiving-sensitivity passive RFID system can be widely applied to the fields of warehouse management in logistics storage, identity recognition, transportation, food, medical treatment, animal management, entrance guard against theft, industry, military and the like.

The invention discloses a sectional type ring direction temperature control unsaturated soil column testing apparatus. The testing apparatus is characterized in that each ring direction temperature control soil sample ring is fixed with a base; each soil sample ring is filled with a soil sample in a layered way, the multiple ring direction temperature control soil sample rings are in bolted connection to form a model drum, the side face of each temperature control ring is provided with two flow guide holes connected with flow guide pipes, and the temperature control rings are connected with a temperature control system by means of the flow guide pipes; the temperature control system keeps temperature constancy in a water tank by means of a constant temperature water cooling / warming machine, and circular flowing of constant temperature water in the temperature control rings is realized by means of a circulating pump. Soil column temperature is controlled in a sectional way by means of the mutually independent temperature control rings, a time period for a soil column to generate temperature gradient is shortened, multiple temperature gradient models can be simulated, and the aim of researching a moisture movement process under different temperature gradient actions is achieved.

The embodiment of the invention discloses a data backup method and system. The method comprises the following steps of building a plurality of thread pools; allocating data belonging to the same data storage catalogue to the same thread pool, wherein each thread pool is used for data back of each catalogue, and the thread in each thread pool is used for different data back in the catalogue. Therefore, the threads are not needed to be frequently built and recycled, the consumption of central processing unit (CPU) resources is reduced, and the data backup performance is improved. Moreover, the plurality of thread pools are used for data backup, the distribution range of concurrent backup data is expanded, the probability of simultaneously backing up a small file set is reduced, and thus, the stability of data back is improved.

The invention relates to an antenna array arrangement optimization technology, in particular to an optimization arrangement technology of a sub-array-level antenna array. According to the method, an improved genetic algorithm is proposed firstly, compared with the problem that a traditional genetic algorithm is prone to falling into local optimum, the step of underlying global search is added, andthe optimization performance of the genetic algorithm is improved. Besides, for the problem of planar molecular array arrangement, whether sub-arrays are overlapped or not is difficult to judge; theinvention provides a simple and feasible judgment method, the effect of the method in planar molecular array arrangement is verified by adopting an improved genetic algorithm, and compared with a traditional array arrangement method, the new method effectively improves the degree of freedom of subarray distribution and further improves the array arrangement optimization performance.

The invention discloses a diesel oil and natural gas dual-fuel engine nozzle working method. The diesel oil and natural gas dual-fuel engine nozzle working method specifically comprises the steps thatan electromagnetic valve b is firstly lifted, natural gas enters a natural gas fuel passage, then a needle valve electrode discharges electricity, the natural gas in an ionization space forms plasmasunder the electric field action, at the time, the needle valve electrode is lifted, and the ionized high-activity natural gas is sprayed into an engine combustion chamber through an injection hole; and then natural gas supply is stopped, diesel oil supply is started, a small amount of diesel oil is injected into the combustion chamber through a diesel oil fuel passage, a pressure chamber and an injection hole, a fire is caught under the action of the huge pressure temperature in an engine cylinder, and the natural gas sprayed into the combustion chamber at the time is ignited. As the naturalgas is ionized into the high-reactivity plasmas which are easily ignited by the diesel oil, combustion is started.

The invention discloses a fuel atomizing nozzle adopting single-electrode plasma jet flow and a control method of the fuel atomizing nozzle. The fuel atomizing nozzle comprises an ejector, an insulating flange, an insulating shell, a high-voltage electrode wire connector, a fuel pipeline, a first swirler, a first swirler chamber, a third swirler, a third cyclone chamber, a gas pipeline, a plasma discharge region and a cavity, wherein the ejector comprises a filter positioner, an oil filter, a second swirler, a second rotational flow chamber, a nozzle and a conical shrinkage pipeline, the ejector can realize the introduction of liquid fuel and fuel injection and serves as a high-voltage electrode, so that plasma single-electrode jet discharge is realized, the distribution range of fuel atomization is improved by utilizing the unbalanced plasma pneumatic effect, the reaction activity of oil mist is improved by utilizing the unbalanced plasma chemical effect, and finally, the purposes ofimproving atomization, improving combustion, reducing emission level of harmful combustion products and reducing the ignition range are achieved.

The invention relates to the technical field of processing of shiitake mushrooms, in particular to a shiitake mushroom stem cutting machine. The shiitake mushroom stem cutting machine comprises a machine frame and a rectangular positioning plate located on the machine frame, wherein a chute is formed in one side of the machine frame, the top end of the chute is abutted against with the short edge of the positioning plate, and a plurality of positioning holes of which the diameters are 2-4cm are formed in the positioning plate; an elevating mechanism is also arranged on the machine frame, and is connected with the other short edge of the positioning plate; a spring is arranged under one end, abutted against with the chute, of the positioning plate, one end of the spring is fixedly connected with the positioning plate, and the other end of the spring is fixedly connected with the machine frame; and a sliding rail connected with the positioning plate is also arranged under the positioning plate, a strip-shaped cutting knife in sliding connection with the sliding rail, and a fixed pulley fixedly connected with the sliding rail are arranged on the sliding rail, a control line is arranged on the cutting knife, a roller is arranged under the machine frame, and the control line goes around the fixed pulley to be connected with the roller. According to the shiitake mushroom stem cutting machine disclosed by the invention, the problems that shiitake mushroom discharge speed is low, and processing efficiency is influenced can be solved.

The invention discloses pipe pile cement and a preparation method thereof. The pipe pile cement is prepared from the following raw materials in percentage by weight: 4 to 7 percent of dihydrate gypsum, 4 to 10 percent of limestone, 4 to 16 percent of ore powder, 0.05 to 0.1 percent of liquid grinding aids and the balance of portland Portland cement clinker. The prepared pipe pile cement has the advantages that the raw materials can be easily obtained; the cost is low; the preparation method is simple; the raw materials are ground; , so that the cement particle distribution range is expanded; the percentage of the portland Portland cement clinker particles being smaller than 3 micrometers is controlled; the excessivelytoo fast hydration of the cement is avoided; the hydration heat is reduced; the goal of reducing the water demand of the cement water demand quantity is achieved; the generation of fine cracks and cracks can be prevented; meanwhile, the percentage of ore powder particles being smaller than 3 micrometers is improved; , so that the effect of filling a concrete structure is achieved; the goal of enhancing the concrete intensity is achieved; the crack in the pipe pile production process is prevented; the concrete performance is improved; the cement production cost is reduced; good economic benefits are realized.

The present invention discloses an electricity information collection system based on a medium voltage power carrier and a control method thereof. The system comprises a concentrated copy main station which is connected with a medium-voltage carrier host, the medium-voltage carrier host is connected with a coupler, the coupler is connected to a medium-voltage carrier slave and is coupled to a 10KV medium-voltage electric power circuit; the medium-voltage carrier slave is connected with a concentrator, and the medium-voltage carrier host / slave is composed of a high-speed carrier chip SSC1664 / 1663, an interface module connected with the medium-voltage carrier host / slave and configured to connect with the concentrated copy main station and an unvarnished transmission module configured to receive data. According to the invention, when data is transmitted, the highest rate can reach up to 5Mbps, the lowest rate can reach up to 100kbps, and the transmission rate is far superior to the transmission rate of the current medium-voltage power line carrier communication system, and the electricity information collection system based on the medium voltage power carrier and the control method thereof can support the new business development with high transmission rate requirement such as cost control, telecommand, telemetering and remote regulation, and remote switching of a valve.

The invention provides a modified ZSM-35 molecular sieve and a preparation method thereof. According to the preparation method, a pore-enlarging agent is used for improving the secondary pore distribution and pore size of the ZSM-35 molecular sieve and added in the ZSM- 35 molecular sieve forming stage, the added pore-enlarging agent is gasified through high temperature calcination to produce pores with specific sizes, the pores with the uniform sizes expand the secondary pore distribution range of the molecular sieve, and the appropriate-size uniformly distributed secondary pores effectivelysolve the diffusion problems of reactants and products, thus improving the selectivity of catalyst. At the same time, the appropriate-size uniformly distributed secondary pores ensure the strength ofthe molecular sieve.

The invention discloses a microbial culture medium and a culture method thereof. The microbial culture medium comprise a culture medium, wherein an installation seat is slidably arranged on an inner bottom wall of the culture medium, heating pipes are fixedly matched with lower parts of two sides of an inner wall of the installation seat, a placing box is arranged right above the heating pipes andis in threaded connection with the installation seat through threaded rods, an inner top wall of the culture medium is equipped with two horizontal electric sliding tables, sliding ends of the two horizontal electric sliding tables are matched with a longitudinal electric sliding table, a sliding end of the longitudinal electric sliding table is provided with a culture solution spray head, a topend of the culture solution spray head is fixedly connected with a hose, an upper end of the hose is provided with a three-way pipe, two ends of the three-way pipe are respectively connected with a liquid outlet pipe and an oxygen pipe, one end of the oxygen pipe is fixedly provided with an oxygen cylinder, and one end of the liquid outlet pipe is connected with a circulating pump. The microbial culture medium and the culture method have high culture efficiency, save time of artificial culture, solve a problem of insufficient oxygen in a culture process of microorganisms, have reasonable design and simple operation, and is suitable for popularization.

The invention relates to a high-precision map making system and method based on road test equipment. The system comprises a road side module which comprises a plurality of road side units and is usedfor collecting road information; central nodes which are used for summarizing the road information acquired by the road side module; and a cloud server which is used for receiving the road informationgathered by the central node and completing construction and updating of a high-precision map, wherein there are multiple central nodes, each central node is wirelessly connected with at least one other central node, the cloud server is wirelessly connected with at least one central node, nmin road side units are arranged at equal intervals along the road direction per kilometer, and nmin is obtained by establishing a deployment cost evaluation model. Compared with the systems and the methods in the prior art, the system and the method have the advantages of low cost, high effectiveness, fault tolerance and the like.

An image processing apparatus includes a signal generation section that generates a drive signal to drive a light attenuation member that attenuates light radiated from a light source based on a difference between first transmittance and second transmittance, the first transmittance being a target value calculated based on image data and the second transmittance being detected based on the position of the light attenuation member, an expansion factor calculation section that calculates an expansion factor based on the first transmittance and the second transmittance, an expansion section that expands the range of the distribution of luminance values in the image data based on the expansion factor calculated by the expansion factor calculation section, and an output section that outputs the image data expanded by the expansion section to a driver that drives a light modulator that modulates light incident thereon.

The invention discloses a target detection plot clotting algorithm based on density clustering, and relates to the technical field of signal and information processing. According to the algorithm, differences of different amplitude distributions in CFAR detection plot result data are taken into consideration: one is the difference of the distance between peak values of the detection plot data, andthe other is the amplitude difference and the density distribution difference of the detection plot data. The algorithm is based on a density clustering algorithm-based plot clotting algorithm whichis adaptive to a local distance radius and has noise. By sampling the plot data of a CFAR detection result, an Euclidean distance of all the acquired data is calculated according to distance-Doppler two-dimensional information, the threshold value is calculated by utilizing the amplitude information so as to perform clustering, so that the difficulty that a plurality of targets which are adjacentto one another and have large plot data amplitude and density distribution difference are difficult to correctly classify can be overcome, and the detected result is more accurate on the basis of notincreasing a hardware structure and expenditure.

A novel linear motion plane grinding device comprises an inserting rod, a cardan joint, a bevel gear II, a lead screw sliding table, a sliding table back plate, a bevel gear I, a linear guide rail, ashaft II, a sliding block, a motor plate, a cylinder gear II, a cylinder gear I, a motor II, a motor I, a bend shaft, a fixing vertical plate, a shaft IV, a fixing transverse plate, a chuck, a workpiece disc, a grinding disc, a coupler I, a shaft I, a bull eye wheel, a shaft III and a coupler II. Through a mechanical structure, one motor is used for driving the workpiece disc to achieve irrationalnumber self-rotation, meanwhile, the other motor drives the workpiece disc to do the variable range linear motion, the workpiece disc achieves the self-rotation movement and the linear movement in the grinding process, the grinding track line is not closed, and the distribution range of the track line on the grinding disc is enlarged. By means of the novel linear motion plane grinding device, thegrinding precision and efficiency are improved.