70results about How to "Efficiency impact" patented technology

The invention relates to a photovoltaic component DC grid-connection controller. The invention is characterized in that the photovoltaic component DC grid-connection controller (5) is composed of an MPPT (Maximum Power Point Tracking) circuit module (2) and a controllable boost circuit module (3). The invention has the functions of keeping the photovoltaic component to be in the maximum power point tracking mode at any time and maintaining the output voltage at a stable preset value Vp. The invention enables the output of the photovoltaic component to be worked in the maximum available power state, and can be conveniently combined with other photovoltaic components to form a high-efficiency matrix. The invention effectively reduces the influence on the photovoltaic matrix from shielding, and simplifies the structure of a grid-connection inverter.

The invention discloses a high-efficiency hybrid white OLED with a high color rendering index. The OLED comprises a substrate, an anode, a cavity implantation layer, a cavity transmission layer, a first blue fluorescent layer, a yellow and red phosphorescent layer, a second blue fluorescent layer, an electron transmission layer, an electron implantation layer and a cathode which are laminated successively from bottom to top; the yellow and red phosphorescent layer is formed by locating a yellow light material and a red light material in the same light emission layer; the first blue fluorescentlayer is arranged adjacent to the yellow and red light emission layer and separated from the yellow and red light emission layer by a spacing layer, the yellow and red phosphorescent layer is arranged adjacent to the second blue fluorescent layer and separated from the second blue fluorescent layer by a spacing layer, the concentration of red light emitted by the red light material is lower thanthe concentration of yellow light emitted by the yellow light material in the yellow and red light emission layer, and each of the first and second blue fluorescent layer is a non-doped or doped lightemission layer. The hybrid white OLED is high in efficiency and color rending index, simple in structure and convenient to popularize, can be popularized commercially, and has good market prospects.

The invention discloses a system and a technology capable of utilizing waste heat of desulfurated slurry to prevent a chimney from emitting white smoke. The system comprises a desulfurizing tower, anair heater, a high temperature air preheater and a low temperature air preheater, wherein the desulfurizing tower is connected with the air heater; desulfurated slurry from the desulfurizing tower exchanges heat with the cold air of the air heater, and the desulfurated slurry after temperature reduction returns to the desulfurizing tower; the air heater is further connected with the low temperature air preheater; the cold air passing through the air heater is heated by the desulfurated slurry and then enters the low temperature air preheater; the low temperature air preheater is connected withthe inlet of the high temperature air preheater through a pipeline; the outlet of the high temperature air preheater communicates with a boiler and the outlet flue of the desulfurizing tower; most ofhigh temperature air out of the high temperature air preheater is supplied to the boiler via a boiler hot air pipeline and provides oxygen for fuel combustion; and other small part of high temperature air enters the outlet flue of the desulfurizing tower and is mixed with wet flue gas from the desulfurizing tower in the flue to prevent the chimney from emitting white smoke.

The invention discloses a method for isolating films on the two sides of a substrate layer. The method comprises the following steps of 1, photoetching photoresist narrow lines at the periphery of the front side and/or the back side of the substrate layer and at the portion close to the edge of the substrate layer, 2, respectively and correspondingly producing film layers on the front side and the back side of a substrate, 3, using organic solvent to remove the photoresist narrow lines in the step 1 before the work procedure for forming a silver grid electrode of the solar cell, and 4, using low-temperature silver paste silk screen to print the silver grid electrode and drying the low-temperature silver paste to enable the organic solvent used in the step 3 to be volatized. The method can effectively avoid the phenomenon of cell electric leakage or cell short circuit caused by electrical connection between the films on the two sides of the substrate layer. Furthermore, the method can avoid damage of laser isolation methods, mechanical isolation methods and the like to the cell and guarantee that the efficiency of the cell is not affected.

The invention relates to a system and method for realizing machine starting denitration operation and belongs to the technical field of coal-fired power station boiler environmental protection. The system comprises a boiler, the boiler is internally provided with a boiler smoke passage, and the boiler smoke passage is internally provided with a final-stage reheater, a low-temperature reheater, aneconomizer and an SCR (Selective Catalytic Reduction) reactor according to the flowing direction of smoke in sequence. According to the system and method for realizing machine starting denitration operation, at the stage of machine starting, a low-temperature reheater steam bypass is adopted to reduce smoke heat absorbed by the low-temperature reheater, adjacent-boiler high-temperature steam is adopted, bypass reheating steam of the boiler is heated, the inlet steam temperature of the final-stage reheater is raised to reduce the heat absorption quantity of the final-stage reheater, and then the inlet smoke temperature of the SCR reactor is raised, and the effective operation of denitration facilities is realized; at the stage of normal operation, according to the actual production requirements, the low-temperature reheating steam bypass and a high-temperature steam pipeline from an adjacent boiler are closed, energy sources are saved, and influence will not be generated to the efficiency of the boiler; and the system is simple and convenient to carry out, furthermore, the investment and operation cost is low, and the system and method for realizing machine starting denitration operation have wide application range.

The embodiment of the invention discloses a detection method. The method comprises the following steps of inputting the object picture into a backbone network of a defect detection network for featureextraction; obtaining feature data, inputting the feature data into a plurality of branch networks of the defect detection network, depending on feature data, respectively detecting different types of flaws on the object picture by a plurality of branch networks; and outputting defect detection results. The method is advantaged in that each branch of the neural network can be used for specifically and independently detecting one type of flaws; a problem that the detection precision is low when the neural network learns multiple defect forms at the same time is avoided, on the other hand, lesscomputing resources are consumed compared with the mode that multiple neural networks are adopted for detection, and defect detection precision and efficiency are improved under the condition that the same computing resources are consumed.

The invention relates to a method for detecting tanshinone components, and an application thereof. The tanshinone components are dihydrotanshinone, cryptotanshinone, tanshinone I and tanshinone IIA. The method comprises the following steps: collecting samples to be tested in the extraction and concentration of Salvia miltiorrhiza, collecting the near infrared spectra of the samples to be tested bynear-infrared spectroscopy, and converting the near infrared spectra into the respective content of dihydrotanshinone, cryptotanshinone, tanshinone I and tanshinone IIA in every sample to be tested according to a selected model. The method has the advantages of fastness in detection of the respective content of the tanshinone components in a compound Salvia miltiorrhiza tablet, simplicity in thepreparation of the samples, and realization of online analysis.

The invention discloses a static workflow scheduling method and device. Hierarchical division is carried out according to the structure of the workflow, for the workflow module of each layer, the typeof the virtual machine is considered based on budget, the virtual machine is distributed, and then mapping scheduling of the physical machine is carried out on the distributed virtual machine. The performance bottleneck of the workflow in the heterogeneous multi-cloud environment is solved, and the defect of insufficient throughput of the workflow in the heterogeneous cloud environment is improved.

The invention provides a method and a device for searching an ACL (Access Control List) list item. The method is applied to a network switching device; multiple ACL list items are stored at the network switching device; all the ACL list items are divided into multiple areas; each area comprises multiple ACL list items; and the method comprises the steps of calculating a block identification of a block which a target ACL list item at the list item position belongs to based on the list item position of the target ACL list item and the number of block list items contained in a preset block, wherein the block is a unit which is obtained by re-dividing all the ACL list items, and each block obtained through the division has the same number of the block list items, and the ACL list items in the same block belong to the same area; and determining an area corresponding to the block identification based on the block identification. By applying the embodiment of the invention, reduction of time difficulty of an algorithm for determining the belonging area based on the position of each ACL list item is realized, and the efficiency of the network switching device is improved.

The invention relates to a cross-winding device (20) for a textile machine (1) which produces cross-wound bobbins and which has numerous operating positions (4), and which has a thread carrier rod (13) extending in a longitudinal direction relative to the machine and actuated in a traverse direction and on which cross-winding thread guides (12) are fixed. The cross-winding device (20) is also equipped with a so-called edge transferring device (18) which ensures that the cross-winding thread guides (12) run up to both inner (21) and outer (22) reversal points. In addition, the cross-winding device (20) has at least one energy storage unit (30) which supports the change of direction of the thread carrier rod (13) in the area of the reversal points (21, 22). According to the invention, it is provided that driver elements (31) are arranged on the thread carrier rod (13) which work together alternately in the cross-winding end areas thereof with a mechanical stop (32) of a spring system (33) which is formed as an energy storing unit (30). Said spring system (33) has at least two prestressed spring elements (34A, 34B) which lie on opposite sides of the mechanical stop (32) and which are formed and positioned such that the spring system (33), originating from a fulcrum (M) and going toward both sides, has for each side a decreasing spring characteristic (45, 46).

The invention relates to a device and method for reducing oil leakage of a supercharger compressor. The device comprises a compressor body mainly composed of an impeller, a compressor volute and a compressor back plate. The device is characterized in that at the outlet position of the impeller, the upper end face of the compressor back plate protrudes outwards, the size of the protruding part has continuous changes of different degrees, and therefore the compressor back plate and the impeller overlap to different degrees at the outlet position of the impeller, and the compressor back plate blocks gas flow the outlet of the impeller to different degrees. By means of the device, the influences on the efficiency of the compressor can be reduced while the oil leakage of the compressor is reduced.

The invention relates to a steam power plant (1) having a feed pump drive turbine (18) which at the outlet side is connected additionally to a main condenser (15).

The invention relates to an organic compound, the organic compound has a structure as shown in the following formula (1), in the formula (1), R1 and R2 are the same or different from each other and are respectively and independently a substituted or unsubstituted alkyl group with 1-4 carbon atoms and a substituted or unsubstituted phenyl group; each Y is the same or different and independently has a structure represented by formula (2), X1, X2, X3, X4 and X5 are the same or different and independently are CR4 or N, and at least one of X1, X2, X3, X4 and X5 is N; m is selected from 1 or 2; n is selected from 1 or 2. The organic compound can be used as a hole blocking layer or an electron transport layer of an organic electroluminescent device.

The invention discloses a code efficiency inspection method and code efficiency inspection system. The method includes the following steps: an uninspected code file is obtained as a current code file, and a first code of the code file is adopted as a current code; the current code is inspected: if the current code is an initial identifier of a loop paragraph, then a loop identifier is added into a preset queue; if the current code meets a preset efficiency rule and the loop identifier is still stored in the queue, then alarm logging is carried out; if the current code is an ending identifier of the loop paragraph, then the loop identifier is removed from the queue; if the code file also has a next code, then the next code is adopted as a current code, or else the current code file is set as an inspected code file; if an uninspected code file exists, then the code file is obtained, or else the method is completed. The method can find out codes severely affecting efficiency by scanning codes.

The invention relates to the field of wastewater treatment, in particular to a zero discharge system for high-efficiency low-cost desulfurization wastewater treatment of a coal-fired power plant. Thezero discharge system comprises a pretreatment unit, a concentration reduction unit and a tail end curing unit, the pretreatment unit is used for removing suspended matters, fluoride, sulfide and heavy metal ions in the wastewater through flocculation reaction, reducing chemical oxygen consumption and ammonia nitrogen and effectively adjusting the pH value; pretreated water of the pretreatment unit is treated by the concentration reduction unit in a direct contact type thermal concentration mode, obtained wet flue gas enters a desulfurizing tower to be treated, obtained precipitated mud entersa tail end solidification unit, and obtained mud supernatant strong brine circularly enters the concentration reduction unit to be treated; after mixing of a tail end curing unit precipitated slurrywith fly ash, quick lime, ferrous sulfate and an inorganic polymerizing agent, a low-grade building material if formed. Flue gas waste heat is used for concentrating desulfurization wastewater, the inlet flue gas temperature of the desulfurization tower is reduced, and the evaporation water consumption of the desulfurization tower is reduced; the wastewater recovery rate is high, and the water-saving purpose is achieved.

The present invention provides compounds and methods that can be used to convert nitrogen-containing-heteroaryl carboxamides to the corresponding nitrogen-containing-heteroaryl nitriles reliably in one step, with high yields and without the need for elaborate purification.

The invention discloses a wind-solar coupled water cooling tower of a thermal power station and a working method therefor, and belongs to the technical field of energy power generation. A water cooling tower body is in a double-curve shape; a spraying device is arranged in the middle of the water cooling tower body and faces the lower portion inside the water cooling tower body; one end of a circulating water pipeline is connected with the spraying device, and the other end is connected with a circulating water system; a support frame is arranged at the throat portion of the water cooling tower body; a wind generating set is arranged on the support frame, and the windward side of a blade of the wind generating set faces downwards; a water removal device is arranged between the spraying device and the wind generating set; a reservoir is arranged at the bottom of the water cooling tower body; a solar film battery is arranged on the outer wall of the water cooling tower body; and the windgenerating set and the solar film battery are respectively connected with a grid-connected assembly through cables. On the basis of original thermal power station facilities, original resources are fully utilized, and meanwhile, new energy is developed in a coupling manner, so that economic and environmental benefits can be improved.

The invention relates to a supercritical carbon dioxide boiler system for heating recycled flue gas, and belongs to the technical field of boiler equipment. The supercritical carbon dioxide boiler system comprises a supercritical carbon dioxide boiler, a turbine, a high-temperature heat regenerator, a low-temperature heat regenerator, a cooler, a compressor, a recirculation fan, a recirculation flue gas heater, a combustor, an air preheater and a shunt economizer. According to the supercritical carbon dioxide boiler system, supercritical carbon dioxide working media shunted by an outlet in thehigh-pressure side of the low-temperature heat regenerator and boiler recycled flue gas are used for cooling boiler tail flue gas, so that the purposes of reducing the boiler inlet working medium temperature, reducing the temperature level of the flue gas in a hearth, reducing the boiler exhaust gas temperature and improving the working condition of the hearth heating surface are achieved on thepremise of ensuring the boiler efficiency.