263results about How to "Improve adverse effects" patented technology

The invention relates to an indoor scene semantic annotation method based on RGB-D data. According to the method, a coarse-to-fine global recursion feedback semantic annotation framework based on the RGB-D data is built, in addition, the whole semantic annotation framework is divided into two major parts including the coarse-granularity region stage semantic label deduction and fine-granularity pixel stage semantic label refinement. The framework is different from the traditional region stage or pixel stage semantic annotation framework, the framework rebuilds the relationship between the coarse-granularity region stage semantic label deduction and the fine-granularity pixel stage semantic annotation, and a reasonable global recursion feedback mechanism is introduced, so that the coarse-granularity region stage semantic annotation result and the fine-granularity pixel level semantic annotation result realize the alternate iterative updating optimization. Through adopting the mode, the multi-mode information of different region layers in the scene images is better merged, and the general problem that an annotation base element is difficult to be properly selected in the traditional indoor scene semantic annotation scheme is solved to a certain degree.

The invention relates to a high-elongation aluminum alloy material and a preparation method thereof. The high-elongation aluminum alloy material contains 0.30-1.20% of iron, 0.03-0.10% of silicon, 0.01-0.30% of rare earth elements, and aluminum and inevitable impurities in weight percentage. The aluminum alloy is made from materials according to a fusion casting process and half-annealing treatment. An aluminum alloy conductor made by the method has high elongation and good safety and stability in use.

The invention particularly relates to an Al-Fe-Cu alloy material and a preparation method thereof. The Al-Fe-Cu alloy material comprises the following components in percentage by weight: 0.20-1.30 wt% of Fe, 0.01-0.08 wt% of Cu, 0.06-0.15 wt% of Si, 0.02-0.10 wt% of rare-earth element and the balance of Al and unavoidable impurities. The aluminum alloy is prepared by casting and semi-annealing raw materials. When the aluminum alloy is prepared, the alloy material is semi-annealed, and thus, the adverse effects of stress on a conductor structure in the process of drawing and twisting are reduced, the electric conductivity reaches and even exceeds 61% of IACS (International Annealed Copper Standard) (the electric conductivity standard of an aluminum conductor for a general electrician is 61% of IACS), and the performances of elongation and the flexibility of the aluminum alloy are improved greatly by annealing. The performances of the elongation of a cable made of the aluminum alloy wire can reach 30%, the flexibility is 25% higher than that of a copper cable, and the resistivity maintains in a lower level.

The invention relates to 7XXX aluminum alloy. The 7XXX aluminum alloy comprises the following components by weight percent: 6.6 to 7.6 percent of zinc, 1.25 to 1.80 percent of magnesium, 0.18 to 0.44 percent of copper, less than or equal to 0.06 percent of silicon, less than or equal to 0.16 percent of iron, , less than or equal to 0.03 percent of manganese, less than or equal to 0.03 percent of chromium, less than or equal to 0.02 percent of germanium, less than or equal to 0.02 percent of vanadium, less than or equal to 0.03 percent of titanium, less than or equal to 0.02 percent of zirconium, and less than or equal to 0.03 percent of total weight of manganese and chromium, less than or equal to 0.03 percent of each rest impurity element, less than or equal to 0.10 percent of total weight of rest impurity elements, and the balance of aluminum. On the basis of experiment, the material strength is improved by re-designing the mass fraction and a ratio of Zn to Mg; by re-designing the mass fraction of Cu, the alloy has excellent corrosion resistance, and the oxidation different color problem of silver white can be solved. By strictly controlling the weight percent of the impurity elements such as Mn and Cr, the crystal grains of the alloy material are uniform. Compared with the existing disclosed Al-Zn alloy system, the alloy has better comprehensive performance, and an oxidized membrane formed by oxidizing the material by virtue of anode is more delicate and beautiful.

The invention relates to the field of semiconductor light-emitting devices, in particular to a manufacturing method for a display screen and the display screen. Adhesive material units which are distributed at intervals are adopted and then attached in a staggered mode, appropriate adhesive materials are selected during early-stage setting, the interval between every two vertical adjacent rubber material units is regulated so that different attaching structures can be obtained, bubbles in attachment space formed after attachment are reduced, the buckling stress can be reduced so that flexible folding display can be better facilitated, adverse effects of the shrinkage effect of the adhesive materials on display devices are effectively eliminated, and the product yield is improved.

The invention discloses a preparation method for a graphene rare earth aluminum alloy high-conductive material. The method comprises the following steps: adding aluminum scrap, silicon calcium alloy, copper aluminum alloy, zinc aluminum alloy, magnesium ingot, rare earth aluminum alloy and graphene into a smelting furnace for smelting; performing ladle analysis, thereby acquiring an aluminum alloy solution; casting and rolling the aluminum alloy solution, thereby acquiring aluminum alloy; performing homogenization treatment on the aluminum alloy; performing ageing treatment, thereby acquiring the graphene rare earth aluminum alloy high-conductive material. According to the preparation method for the graphene rare earth aluminum alloy high-conductive material, provided by the invention, the technical parameters are reasonably set, the graphene structure is optimized and the overall performance of the aluminum alloy is effectively improved, so that the acquired graphene rare earth aluminum alloy high-conductive material has excellent electric conductivity, heat resistance, arc altitude resistance and mechanical properties.

The invention discloses a reverse blocking type IGBT and a manufacturing method therefor, and belongs to the technical field of a power semiconductor device. By introducing a floating P type body region on one side of a trench gate and introducing a trench collector structure in a collector region and a field stop layer, the positive breakdown voltage of a device is improved without influencing the threshold voltage and switch-on of an IGBT device; the gate-collector capacitance is lowered, and adverse influence caused by a Miller effect can be relieved; the overall gate capacitance is lowered, the switching speed of the device is improved, the switching loss of the device is lowered, and the compromising relation between forward switch-on voltage drop and switch-off loss of the conventional CSTBT device is improved; the problems of current, voltage oscillation and EMI in the device starting dynamic process can be avoided, and device reliability is improved; the current carrier enhancement effect at the emitter end of the device is improved, the current carrier concentration distribution in a drift region can be improved, and compromising between forward switch-on voltage drop andswitch-off loss can be further improved; and the reverse breakdown voltage of the device is improved, and high forward characteristic of the device is ensured while excellent reverse blocking performance is obtained.

The invention relates to a magnetic levitation self-driven double-spiral-wing flying saucer, which consists of a saucer housing, a saucer cabin, a double-spiral-wing system, an excitation system and a spiral wing positioning system. Upper and lower magnetic levitation spiral wing wheels in the double-spiral-wing system rotate relatively through interactive magnetic forces generated by a magnetic field generated by -inductive current in inductive coils to realize self-driven rotation. An excitation controller in the excitation system controls the speed of the self-driven rotation by measuring relative position change of a positioned magnetic field on the upper and lower magnetic levitation spiral wing wheels and changes the direction of -control current in a control circuit -to change the direction of the inductive magnetic field in the spiral wing wheels so as to control steering of the self-driven rotation. The magnetic levitation self-driven double-spiral-wing flying saucer has the advantages of compact design structure, reasonable layout, light weight, and high power conversion efficiency, overcomes the reverse torque deficiency of the spiral wing flying saucer at the same time, and realizes positioning control of the spiral wing and guarantees safe operation of the flying saucer.

To ameliorate the detrimental effects of time delays, techniques and systems are disclosed for detecting time delays in a plant, facility, or environment (such as a power system) controlled by an NCS, and for providing more resilient control capabilities for adapting to the detected time delays. A time delay estimate can be determined by comparing the expected state of the plant, calculated from a plant model, with the state of the plant described by its telemetry data. Techniques for adapting to a time delay include: switching to an emergency controller and acting in accordance with a local reference model; sending adjusted control commands in accordance with an expected plant state; and instructing a transmitter to transmit subsequent communications packets over multiple redundant communication channels.

The invention discloses a rare-earth aluminum alloy conductor for a cable and a manufacturing method thereof. The rare-earth aluminum alloy conductor comprises the following components in percentage by weight: 0.05 to 0.15 percent of copper, 0.40 to 1.0 percent of ferrum, 0.03 to 0.15 percent of silicon, 0.02 to 0.12 percent of rare-earth elements and the balance of aluminum. The prepared rare-earth aluminum alloy conductor is subjected to tempering, the stress effect in the processes of drawing and stranding and the adverse effect of strain hardening on an organization structure of the conductor are improved, so that electric conductivity reaches and even exceeds 61 percent International annealed copper standard (IACS); and the elongation and flexibility of rare-earth aluminum alloy can be improved greatly, and the resistance of the conductor can be reduced by annealing treatment. According to the aluminum alloy conductor for the cable, the strength is improved 10 percent compared with pure aluminum, the elongation is 30 percent, the flexibility is 25 percent higher than that of a copper cable, and the resistance of the conductor is kept at a low level.

The present invention provides, inter alia, methods for ameliorating an adverse effect in a patient caused by an acute transfusion into the patient of a composition containing aged red blood cells using an iron chelator. Apparatuses and kits for ameliorating such adverse effects are also provided.

The invention relates to a rare earth aluminum alloy conductor and a preparation method thereof. The rare earth aluminum alloy comprises the following components in percentage by weight: 0.20-0.35% of copper, 0.12-0.20% of rare earth elements, 0.05-0.15% of iron, 0.02-0.10% of silicon and balance of aluminum and inevitable impurities. The rare earth aluminum alloy conductor is prepared from the raw material by a smelting process and a continuous casting and tandem rolling process. The rare earth aluminum alloy conductor prepared in the invention improves the adverse effect of stress in the drawing and twisting processes on the structure of the conductor. According to the rare earth aluminum alloy conductor provided by the invention, the strength is increased by 10%, the elongation reaches30%, the resistance to corrosion is improved by 1.5 times and the resistivity is kept within 0.02810 ohm.mm<2> / m.

The invention discloses a corrugated steel tube culvert filling structure and further discloses a filling method of the corrugated steel tube culvert filling structure. The filling structure overcomes the defect that the walls of corrugated steel tubes can be easily damaged due to an original masonry culvert rigid foundation, a flexible foundation with a sand cushion and a subbase is adopted for filling, geotextile is adopted under weak geological conditions, and thus the corrugated steel tubes can be prevented from settling unevenly. The whole tube bodies are placed under the protection of a structural backfill area, the tube bodies of the corrugated steel tubes can be effectively protected, and the characteristic of the flexible material of the corrugated steel tubes can be matched better. The filling structure is suitable for corrugated steel tubes in various shapes such as a circle, an oval and a tube arch and is also suitable for construction with a tube ditch method or an embankment building method.

The invention discloses a trench-gate charge storage type IGBT and a manufacturing method therefor, and belongs to the technical field of semiconductor power devices. A trench-gate emitter structure connected with a P-type volume region is introduced to an N-type drift region at one side of a trench gate in a conventional CSTBT device, thereby enabling the gate-collector capacitance into gate-emitter capacitance, and improving the adverse effect of Miller capacitance. A thick dielectric layer of the trench-gate emitter structure avoids an electric field concentration effect at the bottom of atrench, and improves the breakdown voltage of a device. The depth of a gate electrode is enabled to be less than the junction depth of an N-type charge storage layer, thereby reducing the overall gatecapacitance under the condition that the connection of an IGBT is not affected, improving the switching speed of the device, reducing the switching loss of the device, and improving the compromise characteristics between a positive conduction voltage and the switching-off loss. According to the invention, the existing of the P-type volume region can reduce the extraction area of a hole, and improves the carrier concentration distribution of the whole N-type drift region. Moreover, the noise impact is reduced, and the EMI effect is avoided.

The invention relates to a quadrotor autonomous ship landing method based on saturated adaptive sliding mode control. The method comprises steps that firstly, quadrotor and unmanned six-DOF models are established, through coordinate transformation, a relative kinematics and relative dynamics model between the two is established; secondly, an outer ring of a relative position controller is designed; thirdly, an inner ring of the relative position controller is designed; fourthly, relative height control design is carried out, expected relative zero height is provided, a control input quantity of a quadrotor is calculated, and height difference between the quadrotor and an unmanned ship is eliminated; and fifthly, relative height control design is carried out, expected relative zero attitude is provided, other three control quantities of the quadrotor are calculated, attitude between the quadrotor and the unmanned plane is eliminated, and the quadrotor is made to stably land on the unmanned ship. The method is advantaged in that a performer saturation problem is effectively solved, influence of model uncertainty and external interference are inhibited, the system is guaranteed to be global unanimous and bounded, and the landing point error of the quadrotor is guaranteed to be in a permitted scope.

The invention discloses a fiber placement press roller mechanism capable of adjusting a fiber prepreg tape and a press roller wrap angle, which is applied to the fiber placement manufacture field of resin matrix composite components. The mechanism disclosed by the invention mainly comprises a guide wheel (6), a rolling wheel (5), a flexible press roller (1), a limit bolt (7), and a driving element for the device, namely a cylinder (8). According to the mechanism, the rigid guide wheel (6) is arranged on the bracket of the flexible press roller (1) through a four-bar mechanism; in the placement process, after the flexible press roller is pressed down, the guide wheel is pressed down under the driving of the cylinder and supported by the rolling wheel (5), so that the guide wheel is cooperated with the flexible press roller (1); and the limit bolt (7) is used for limiting the motion range of the four-bar mechanism. An inclined angle between a fiber prepreg tape (2) and the tangential plane of the surface of a core mould (3) is adjusted by the guide wheel (6) before rolling, so that a contact wrap angle between the fiber prepreg tape and the flexible press roller (1) is reduced, the bad influences (such as cutting slippage caused by dragging, poor placement cohesiveness and the like) on the fiber prepreg tape from the flexible press roller (1) are relieved in the placement process, therefore the equipment reliability is improved; moreover, the mechanism has the advantages of simple structure, convenience for use and the like.

The invention relates to Chinese medicine preparation for treating fatty liver. The Chinese medicine preparation for treating the fatty liver comprises the following materials in percentage by weight: 6 percent of Curcuma aromatica, 6 percent of Magnolia officinalis, 6 percent of sicklesenna seeds, 6 percent of loosestrife, 8 percent of giant knotweed, 8 percent of Atractylodes macrocephala, 8 percent of Morinda officinalis, 11 percent of hawkthorn, 11 percent of Alisma orientale, 11 percent of Poria cocos, 16 percent of radix salviae miltiorrhizae and 3 percent of liquorice. The Chinese medicine preparation for treating the fatty liver is capable of resolving dampness and clearing away heat, soothing liver and regulating qi flow, invigorating spleen to reduce phlegm and activating blood circulation to dissipate blood stasis. Moreover, the therapy is simple and convenient; the treatment effect is definite; and the medicine is gentle and has no toxic side effect.

The invention belongs to the field of food processing and discloses a pinenut oil pinolenic acid microcapsule and a preparation method of the microcapsule. The pinenut oil pinolenic acid microcapsule has a weight reduction function and can reduce cholesterol (TC) and triglyceride (TG) and increase high density lipoprotein (HDL). The preparation method comprises the following preparation steps of: extracting pinolenic acid, preparing a core material solution, preparing a wall material solution, and encapsulating a microcapsule. By adopting the preparation method disclosed by the invention, the extraction rate of the pinolenic acid from pinenut oil is more than 70%, the pinenut oil pinolenic acid which is easily oxidized is microencapsulated to effectively prolong the quality guarantee period, and the encapsulation rate is more than 85%.

The invention discloses a TCSC optimal configuration method based on probabilistic load flow control. The TCSC optimal configuration method is applied to an electric power system and is characterized by including the following steps of acquiring original data, acquiring uncertain factor values, conducting sampling and load flow calculation on the uncertain factor values, acquiring the load rates of all branch circuits, selecting the branch circuits with the load rates exceeding heavy load rates to be used as the branch circuits for mounting TCSCs, obtaining series compensation branch circuits, establishing an improved optimal load flow model, conducting sampling and optimal load flow calculation on the uncertain factor values again, acquiring the optimized values of TCSC reactance values, and mounting the TCSCs with the reactance values being the optimizing values at the series compensation branch circuits. Accordingly, the TCSC optimal configuration method is achieved. According to the TCSC optimal configuration method, the influence of uncertain factors in the electric power system can be considered more comprehensively, the load flow of the electric power system can be controlled more effectively, and therefore the safe operation of the electric power system can be better facilitated.

The invention discloses a 6016-series aluminum alloy sheet for a vehicle body and a production method thereof. The aluminum alloy sheet comprises the following chemical components in percentage by mass: 1.0-1.5% of Si, 0-0.50% of Fe, 0-0.20% of Cu, 0-0.20% of Mn, 0.25-0.60% of Mg, 0-0.10% of Cr, 0-0.10% of Zn, 0-0.10% of Ti, and the balance of Al. The production method comprises the steps of batching-smelting-converter-furnace side refining-standing-casting-sawing-surface milling-ingot homogenization-hot rolling-intermediate annealing-cold rolling-electrospark frosting-finished product cold rolling-solid solution quenching-drawing correction-Ti / Zr passivation-preageing-finished product coiling. The aluminum alloy sheet can provide a high-grade vehicle body sheet to users, improves the yield in punching, reduces the vehicle manufacturer cost, improves the formability and the baking hardness of aluminum alloy sheets, and is broad in market prospect and prominent in economic benefit.

The present embodiments relate to methods and systems for identifying areas of a subject's skin that lack sufficient volume. In some embodiments, this can be used to direct the administration of filler compositions or the application of techniques that increase the volume or firmness of the area. In some embodiments, the methods and systems provide for improved aesthetic benefit as well as suitability for instruction and training. In some embodiments, the methods are especially useful in the administration of dermal fillers to a subject.

The invention relates to an electromechanical coupling transmission device synchronization control device based on a manual transmission, which comprises a motor, a fixed axis gearbox, a gear shift transmission mechanism, a gear selection transmission mechanism, an operating handle, a shift force sensor, a gear shift position sensor, a gear selection position sensor and a transmission control unit, wherein the transmission control unit is connected with the motor, the shift force sensor, the gear shift position sensor and the gear selection position sensor respectively; the fixed axis gearbox is connected with the motor, the gear shift transmission mechanism and the gear selection transmission mechanism respectively; and the gear shift transmission mechanism is connected with the shift force sensor, the gear shift position sensor and the operating handle respectively. The invention also relates to an electromechanical coupling transmission device synchronization control method based on the manual transmission, which comprises the following steps that: 1) the gear shift position sensor and the gear selection position sensor detect an initial gear of the vehicle when the vehicle is in a running state, and the like. Compared with the prior art, the invention has the advantages of wide application range, convenience of operation and the like.

The invention provides a power coordination control method and apparatus applicable to an LCC type direct current power transmission system. Imbalance reactive power of an alternating current and direct current system is collected according to a self-defined time period, and whether the imbalance reactive power value is zero or not is judged; if so, a reactive compensation apparatus does not act; or otherwise, difference between the imbalance reactive power and reactive compensation amount of a dynamic reactive compensation apparatus is calculated, then comparison with the capacity of the dynamic reactive compensation apparatus is performed, and whether the difference value reaches the upper and lower limit values of capacity of the dynamic reactive compensation apparatus or not is judged; if not, the imbalance reactive power is returned to zero and the calculation is completed; or otherwise, an input / removing instruction is sent to an alternating current filter through a switching logic rule; and the capacity of the dynamic reactive compensation apparatus is re-configured according to the change conditions of imbalance reactive power and the switching of the alternating current filter after the instruction is sent out. By virtue of the power coordination control method and apparatus, quick reactive control is realized, voltage and current are maintained to be stable and balanced, and power transmission stability is ensured.

The invention discloses a control method for a double PWM solid-state transformer. The control method is implemented based on a double PWM solid-state transformer structure. For rectifier control, a double closed-loop control mode (direct-current voltage at outer loop and grid-side current at inner loop) is adopted under a dq synchronous rotating coordinate system to realize sinusoidal control on the grid-side current and make the unit power factor be 1; for direct-current transformation control, a double closed-loop control mode (output voltage at outer loop and inductive current at inner loop) is adopted to realize voltage level transformation, power transmission and electrical isolation; and for inverter control, a double closed-loop control mode (output voltage at outer loop and inductive current at inner loop) is adopted under the dq synchronous rotating coordinate system. Reliable high-quality power can be provided for users, and the bad influence of nonlinear load on the power grid can be improved effectively. The control method has higher load adaptability and dynamic response.

The invention discloses an antenna used for a terminal and the terminal provided with the antenna. The antenna comprises a main metal frame, a first corner metal frame and a second corner metal frame, wherein the main metal frame is a main radiation body of the antenna; one end of the main metal frame is connected to a mainboard of the terminal by a feeder end; the first corner metal frame is arranged on one side, close to the feeder end, of the main metal frame; a first gap is defined between one end of the first corner metal frame and the main metal frame; the other end of the first corner metal frame is connected to the mainboard; the second corner metal frame is arranged on one side, far away from the feeder end, of the main metal frame; a second gap is defined between one end of the second corner metal frame and the main metal frame; and a third gap is defined between the other end of the second corner metal frame and the mainboard. According to the antenna used for the terminal, the third gap is arranged on the second corner metal frame to disconnect the second corner metal frame and the mainboard, so that an adverse effect of the second corner metal frame on the main metal frame can be effectively improved; the efficiency of the main metal frame is increased; and the low-frequency performance of the main metal frame is enhanced.

The invention discloses a tungsten carbide enhanced copper-based powder metallurgy friction material. The friction material comprises following raw materials including, by weight percent, 50%-70% of copper powder, 10%-20% of iron powder, 1%-5% of tin powder, 6%-11% of graphite and 0.01%-15% of tungsten carbide. Compared with similar materials, the novel tungsten carbide enhanced copper-based powder metallurgy friction material has the advantages that the matrix strength is high, hardness is high, the friction coefficient is high, the friction performance is stable, the abrasion amount is low,the preparing technology is simple, and the production cost is low; the comprehensive performance of the material is improved, and it is guaranteed that the material has stable friction performance, the high friction coefficient and good abrasion resistance; few microelement kinds exist, lead, asbestos and other components doing harm to health are not contained, the requirements for health safetyand environment protection are met; and in the preparing technology, the technology is simple, large-batch production is conveniently achieved, and the manufacturing cost is low.

The invention provides a displaying device which comprises a display panel, a shield body and a first polaroid, wherein the display panel is provided with a first surface and a second surface which are opposite to each other, the shield body covers the first surface, the area of the shield body is larger than the area of the first surface, the first polaroid is attached to the shield body and located between the shield body and the first surface, and the area of the first polaroid is larger than the area of the first surface. Compared with the prior art, the displaying device has the advantage that the negative influence of a bubble band generated on the edge of the first polaroid on optical quality is avoided to a certain degree.

The invention discloses a method embodiment for the clock switching, belonging to the technical field of the electronic communication, which comprises: judging whether the first clock signal output by the first clock module needs to be switched to the second clock signal output by the second clock module, if yes, the first clock signal with lower frequency is produced; the second clock signal and the first clock signal after the frequency decreasing are detected, and when the phases of the two clock signals are synchronous, the indicating information of the clock switching which switches the output clock signal of the first clock module to the output clock signal of the second clock module is output; according to the indicating information of the clock switching, the clock signal output by the first clock module is switched to the clock signal output by the second clock module. The invention also discloses a corresponding clock switching unit, a clock device and a system. The invention has an advantage of improving the harmful effects of the system performances caused by the clock switching.