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 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 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 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 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 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.