201results about How to "Reduce crossover" patented technology

The invention discloses a light-free T-shaped stitch for embroidery and an embroidering method. At least three layers of embroidering stitches are embroidered from top to bottom on the front face of an embroidered cloth through an embroidering needle and an embroidering thread, wherein each layer of embroidering stitches is formed by adjacently arranging a group of T-shaped embroidering stitch units with stitches having approximately the same length on the front face of the embroidered cloth; when any T-shaped embroidering stitch unit serves as a standard, the tightly adjacent T-shaped embroidering stitch units around the T-shaped embroidering stitch unit are arranged at angles; the lengths of needle feet of the T-shaped embroidering stitch units in each layer of embroidering stitches aregradually reduced from top to bottom; the stitch of the T-shaped embroidering stitch units consists of first needle feet and second needle feet; the first needle feet and the second needle feet are arranged in a shape of 'T' on the front face of the embroidered cloth; an included angle between the first needle feet and the second needle feet is in a range of between 60 and 90 degrees in the shapeof 'T'; and the ratio of the length of the first needle feet to the length of the second needle feet is in a range of between 1:0.7 and 1:1.3. The problem that faces and limbs of characters reflect light because of inherent thread light and thread textures of silk threads is solved through the T-shaped stitch and the embroidering method, so breakthrough and innovation are made in Suzhou (a province in China) embroidery in the embroidering method for portraits.

The invention discloses an implement method for automatic generation of a visible power grid trend chart in a dispatching system. The method comprises the following steps: (1) according to set chart forming granularity filter conditions, station pels and circuit pels are generated in a picture through a drawing tool of the dispatching system; (2) intelligent layout is conducted to the station pels through a network topological graph arithmetic based on an expanding mechanical model; (3) intelligent wiring is conducted to the picture after the intelligent layout by using a maze arithmetic; (4) a parameter in a bank is related automatically and labels such as measurement, a dynamic trend and a visible pie chart are conducted automatically, and the visible power grid trend chart is generated finally. According to the implement method for automatic generation of the visible power grid trend chart in the dispatching system, the visible power grid trend chart needed by the dispatching system can be generated rapidly, so that powerful technical support is provided to implement of the dispatching system and power grid analytical research. Due to intelligent and automatic chart forming process, efficiency is improved, omissions caused by human factors are greatly reduced and technical guarantee is provided to safe and stably running of a power grid.

The invention discloses a plastic weaving bag production process and relates to the field of packing materials. The process comprises five technological processes of raw material burdening, mixing, drawing, weaving, printing-cutting and sewing. In the process method, raw material proportions in the raw material burdening process are reasonable, the performances of all the raw materials are fully played, the combined performances are greatly improved, a filling master batch adopts nano-calcium carbonate, and the mechanical properties and stability of the materials are improved; by reasonably controlling the parameters such as temperature, time and retraction ratio in the drawing process, manufactured ribbon-like filaments are excellent in quality and good in mechanical properties without being easily broken, and massive electric energy is saved by adopting a cam-combined energy-saving winding machine for winding and molding; after all steps of the weaving process, yarns are uniformly arrayed with less crossing and twisting, and a cloth surface has no wrinkles and is more attractive and reasonable in density; by reasonably controlling the needle pitch in the sewing process, the sewing direction strength of a weaving bag is high and the weaving bag has good falling performance.

The invention discloses a layout method and system of a network topological diagram. The method of the invention comprises the following steps: the connectivity of the target topological diagram is analyzed, if the target topological diagram is not connected, the topological diagram is decomposed into a plurality of connected subgraphs; the connected subgraphs are laid initially according to a pattern which is similar to the square though the rectangular block layout algorithm while the coordinates of the connected subgraphs are obtained; the nodes of the connected subgraphs which are through initial layout are laid according to the layout algorithm of a driver under stress so that the system total kinetic energy of the target topological diagram is less than a set value and the relative coordinates of the nodes of the connected subgraphs are obtained; and the coordinates of the nodes of the connected subgraphs are obtained according to the coordinates of the connected subgraphs and the relative coordinates of the nodes of the connected subgraphs.

The invention relates to an automatic method of a power dispatching large-screen power transmission grid single line diagram. The current layout method is difficult to distinguish. The method comprises the two steps outlay of a supply region and a district and outlay of converting stations in the supply region and the district, wherein the outlay method of the supply region and the district comprises the following steps: firstly, establishing a mathematical model of a converting station and a line in a power transmission grid; then conducting optimal outlay and solution on the supply; and conducting optimal outlay and solution on the district; the outlay method of the converting station in the supply region and the district comprises the following steps: firstly, obtaining the initial outlay of the converting stations; then selecting two converting stations in a chunk at random and carrying out coordinate exchange mutually; and calculating a composite function of the crossing quantity among lines and a line Manhattan distance. During design the layout of the converting station in the supply region, the invention not only considers that the line crossing is as less as possible and the distance between the connected converting stations is as short as possible, but also considers the effect of following wiring, can prevent the layout-wiring multi-circulation and obtain an overall optimized solution and realizes the effect which can not be achieved by a plurality of local optimizing methods.

The invention provides a device for spreading large-tow carbon fibers through combination of a sound wave method and a mechanical multi-roller method. The device for spreading the large-tow carbon fibers comprises a yarn containing device used for containing a fiber tow. The device for spreading the large-tow carbon fibers is characterized in that after being guided out of the yarn containing device, the fiber tow enters a tension control device, the surface tension of the fiber tow is controlled by the tension control device, the tension is kept constant, the fiber tow with the adjusted tension passes through the space between a pressure feeding roller and a second supporting roller and then is guided into a yarn pre-spreading device, the fiber tow is pre-spread by the yarn pre-spreading device according to the sound wave method, the pre-spread fiber tow is guided into the main yarn spreading device, the fiber tow is spread through the mechanical multi-roller fiber expanding method by the main yarn spreading device, and the spread fiber tow is rolled through a traction take-up device. The device for spreading the large-tow carbon fibers can effectively and fully spread the large-tow carbon fibers.

The invention relates to a cabo shredding process and equipment. The process comprises the following steps: soaking, cabo storing, cabo braizing, cabo arranging, cabo pressing, cabo slice arranging, cabo shredding, charging and drying. The equipment for realizing the process comprises a soaking device, a cabo storing cabinet, an HT cabo braizing machine, a cabo arranging device, a cabo pressing machine, a cabo slice arranging device, a shredder, a charging machine, a cabo drying machine and united conveyer equipment among the soaking device, the cabo storing cabinet, the HT cabo braizing machine, the cabo arranging device, the cabo pressing machine, the cabo slice arranging device, the cabo shredder, the charging machine and the cabo drying machine. The invention has the advantages that crumbling during the cabo machining process is lower, and the shape of the produced cabo shred is similar to leaf shed; moreover, the processability is good, and the invention can improve the quality and the stability of cigarette products and reduce the cigarette cost can be reduced.

One embodiment of the present invention provides a system that optimizes a circuit design during a logic design stage to reduce routing congestion during a placement and routing stage. During operation, this system identifies a first circuit structure in the circuit design which is expected to cause routing congestion during the placement and routing stage. Next, the system generates a second circuit structure which is functionally equivalent to the first circuit structure, and is not expected to cause routing congestion during the placement and routing stage. The system then replaces the first circuit structure in the circuit design with the second circuit structure, thereby mitigating routing congestion during the placement and routing stage.

The invention relates to a banded transportation junction formed by paralleling parallel elevated road stations and elevated railway stations, belonging to the technical field of railway station construction and aiming at solving the problem of inconvenience brought about for people by the conditions that the stations of various transport means of a large-scale integrated transportation junction are excessively concentrated, a scale is excessively huge, and transport is separated from commerce. The parallel elevated road stations are arranged parallel to one or more than one elevated railway station at short distances to form the banded transport hub; stop stations of island platforms of the parallel elevated road stations correspond to entrances/exits of the elevated railway stations, and passengers can take buses which are convenient for positive-direction and reverse-direction transfer on parallel elevated roads to reach and leave the entrances/exits of elevated railway stations on which the passengers need to take; and when the parallel elevated road stations are parallel to the elevated railway stations in an overlapping way, the parallel elevated road stations are positioned below the elevated railway stations.

A fuel cell fuel contains an organic fuel used as a fuel for a fuel cell. The organic fuel is in a form of a solid molecular compound, such as an inclusion compound. The molecular compound can be prepared by contact catalytic reaction of a compound for forming the molecular compound and the organic fuel, and allows a liquid organic fuel to be in a solid compound to store the organic fuel stably in a relatively lightweight form. The molecular compound easily releases the organic fuel by, for example, heating, and the organic fuel is supplied to the fuel electrode of a fuel cell. Thus, the handleability of the fuel cell fuel containing the organic fuel can be improved, and the problems of corrosion, freezing of the fuel, crossover, and so forth can be solved.

The invention relates to a cable laying method and system, belongs to the technical field of cable laying and aims to improve the cable laying method and system. The method comprises steps that environmental parameters in a cable laying area are inputted into a cable laying system, the environmental parameters include the cable quantity specification, a cable starting point and the bridge number,and cable laying is performed in the cable laying area of the cable laying system based on an automatic cable sorting method and an automatic cable cross-avoiding method; primary cable and secondary cable sorting is performed; the cable row-by-row crossing during area wiring is avoided; multiple cables are optimally laid, and laying data is finally saved in the cable laying system. The method is applied to the substation cable laying the field.

The invention belongs to the technical field of cable facilities in transformer substations, and particularly relates to a prefabricated finished cable trench. The prefabricated finished cable trench comprises a plurality of cable trench bodies and cable holders in the cable trench bodies. Each cable trench body comprises a first base plate and a second base plate which are connected fixedly. First trench walls and first square steel sets are arranged on the upper end faces of the first base plates from left to right. First cover plates are arranged at the upper ends of the first trench walls and the first square steel sets. Second square steel sets and second trench walls are arranged on the upper end faces of the second base plates. Second cover plates are arranged at the upper ends of the second squire steel sets and the second trench walls. The prefabricated finished cable trench has the advantages that the longitudinal depth design of conventional cable trenches is changed into flattening design, so that on the premise of guaranteeing utilization rate of cable channel sections, construction difficulty in laying of cables is reduced, and convenience is brought to follow-up maintenance and operation; multiple prefabricated modules are matched flexibly to splice cable trenches with different widths, and the prefabricated finished cable trench is applicable to cable laying at different places.

Disclosed are an ionic polymer metal composite electrolyte for a fuel cell and a method of preparing the same. In detail, the invention provides an ionic polymer metal composite electrolyte for a fuel cell, in which an ionic polymer metal composite, in which platinum nanoparticles are dispersed in a Nafion membrane, is used as an electrolyte, in place of the Nafion membrane alone, upon the fabrication of a fuel cell having a polymer electrolyte, and also provides a method of preparing the same. The ionic polymer metal composite electrolyte of the invention can solve problems related to the cross-over of a conventional Nafion membrane, and thereby can be used as the polymer membrane of a methanol direct fuel cell, having improved open-circuit voltage.

The invention relates to a method for positioning nodes of an undigraph. The method comprises the following steps: (1) identifying all cut edges; (2) selecting a group which has the biggest dimension and enables the number of layers of a group tree to be least from the group tree as a root of the group tree; and (3) separating the rectangular region into a plurality of layers from the top to the bottom, wherein the step (3) further comprises the following steps: positioning the group at a corresponding block from the left to the right according the sequence of the group in the same layer of the group tree; judging whether the group comprises only one node or not; positioning the only node at the center position of the corresponding block if the group comprises the only node; if the group does not comprise the only node, identifying all cut points in the group, decomposing the group into subgroups, separating the subgroups into sublayers from the top to the bottom and separating each sublayer into a plurality of subblocks from the left to the right; and distinguishing the subgroups from the cut points and correspondingly positioning the subgroups and the cut points. According to the method provided by the invention, the intersecting, the far-crossing and the superposition of connecting lines in the undigraph are reduced to the maximum, and the node grouping condition and the connecting line organizing condition of the undigraph are clear and legible.

The invention provides a redox flow battery comprising a microporous or nanoporous size-exclusion membrane, wherein one cell of the battery contains a redox-active polymer dissolved in the non-aqueous solvent or a redox-active colloidal particle dispersed in the non-aqueous solvent. The redox flow battery provides enhanced ionic conductivity across the electrolyte separator and reduced redox-active species crossover, thereby improving the performance and enabling widespread utilization. Redox active poly(vinylbenzyl ethylviologen) (RAPs) and redox active colloidal particles (RACs) were prepared and were found to be highly effective redox species. Controlled potential bulk electrolysis indicates that 94-99% of the nominal charge on different RAPs is accessible and the electrolysis products are stable upon cycling. The high concentration attainable (>2.0 M) for RAPs in common non-aqueous battery solvents, their electrochemical and chemical reversibility, and their hindered transport across porous separators make them attractive materials for non-aqueous redox flow batteries based on size-selectivity.