82results about How to "Address adverse effects" patented technology

The invention discloses a shift register unit, a gate driving circuit, a display device, and a driving method. The shift register unit comprises: a first input sub-circuit, configured to receive a display input signal from a display input terminal and input a display output control signal to a first node in a display period of one frame according to the display input signal; a second input sub-circuit, configured to receive a random input signal in a display period of a frame and input a blanking output control signal to the first node in a blanking period of a frame according to the random input signal; and an output sub-circuit, configured to output a composite output signal via an output terminal under the control of the first node.

The invention discloses a reservoir group flood control scheduling scheme optimization method taking index correlation into consideration. The method comprises the following steps: constructing an index system for reservoir flood control scheduling schemes; measuring the degree to which the indexes in the index system are correlated by using a correlation analysis approach, converting the index system into a new index system of which the indexes are independent of each other by using a principal component analysis approach, and reducing the dimension of the original index system; calculating the weight of each index in the new index system by using an improved entropy weight approach; and analyzing the goodness of each scheduling scheme by taking the new index system and the weights of the indexes as input of a technique for order preference by similarity to an ideal solution. According to the method of the invention, the influence of index correlation to scheme screening is taken into consideration, and the research object is expanded from a single reservoir to a reservoir group. By adopting the method, the problem about index correlation in scheme selection can be solved effectively, and the dimension of the index system can be reduced. A powerful tool is provided for reservoir group flood control scheduling scheme optimization under the condition that the indexes are correlated.

The invention relates to the technical field of active calcium oxide, desulfurizing agents, calcium carbide raw materials and preparation methods of active calcium oxide, in particular to active calcium oxide with calcium carbide dreg as a raw material, a desulfurizing agent, a calcium carbide raw material and a preparation method of active calcium oxide. The active calcium oxide with the calcium carbide dreg as the raw material is obtained through the following steps: firstly, the calcium carbide dreg is subjected to filter pressing, and primary wet dreg is obtained. According to the active calcium oxide with the calcium carbide dreg as the raw material, the desulfurizing agent, the calcium carbide raw material and the preparation method of active calcium oxide, the calcium carbide dreg is turned into wealth, accordingly, the problem of adverse influence on the environment due to stacking of a large amount of calcium carbide dreg is solved, and the environment is effectively protected; besides, utilization of mineral resources such as limestone is reduced, the mineral resources such as the limestone are saved, and the idea of harmonious development of economic development and environment protection is realized; meanwhile, according to the active calcium oxide with the calcium carbide dreg as the raw material, the desulfurizing agent, the calcium carbide raw material and the preparation method of active calcium oxide, the purity of the desulfurizing agent can be improved; moreover, the cost of the calcium carbide raw material for producing calcium carbide is lower, and industrial application prospect is realized.

The invention relates to a thickness detection device applied to the surface of a large-sized metal tank body and belongs to the equipment intelligent detection technological field. The thickness detection device applied to the surface of the large-sized metal tank body comprises a device body, an XY direction motion module, a supporting turntable module, a Z direction working module and a controller; the device body is provided with a driving mechanism A and a magnetic wheel; the XY direction motion module is mounted on the device body; the supporting turntable module comprises a supporting frame, a driving mechanism B and a connecting disc, wherein the supporting frame is connected with the XY direction motion module, and the driving mechanism B is mounted on the supporting frame and connected with the connecting disc; the Z direction working module comprises a sweeping module, a couplant applying module, a thickness detecting module and three telescopic mechanisms, wherein the threetelescopic mechanisms are a telescopic mechanism A, a telescopic mechanism B and a telescopic mechanism C respectively, wherein the telescopic mechanism A is connected with the sweeping module, the telescopic mechanism B is connected with the couplant applying module, and the telescopic mechanism C is connected with the thickness detecting module. The device can replace manual operation to detectthe thickness of the metal tank body.

The invention relates to the field of optical communication, and discloses a power consumption measurement circuit and method for an optical module. The power consumption measurement circuit comprisesa current sampling resistor, a differential amplifier, a voltage sampling resistor, a first sampling unit, a second sampling unit and a power consumption calculation unit; the two ends of the currentsampling resistor are connected to an external power supply and the measured optical module respectively; the two input ends of the differential amplifier are connected to the two ends of the currentsampling resistor respectively, and the output end of the differential amplifier is connected to the input end of the first sampling unit; the first end of the voltage sampling resistor is connectedto the second end of the current sampling resistor, and the second end of the voltage sampling resistor is connected to the input end of the second sampling unit; the output end of the first samplingunit and the output end of the second sampling unit are connected to the power consumption calculation module; and the power consumption calculation module is used for calculating the power consumption of the measured optical module according to sampling values of the first sampling unit and the second sampling unit. According to the power consumption measurement circuit and method, the power consumption measurement precision is high and can reach +/-3%, and the measurement range is wide.

The invention discloses a steel support axial force monitoring system capable of applying prestressing force. The steel support axial force monitoring system capable of applying prestressing force comprises a connecting piece, an axial force meter, a supporting steel pipe body and a bracket. One end of the axial force meter is welded to an end plate of the connecting piece, and the other end of the axial force meter abuts against the bracket. A steel pipe sleeve is additionally arranged at the end of the axial force meter. One end of a flange plate of the connecting piece is directly welded to the supporting steel pipe body, and the other end of the flange plate of the connecting piece is cut into an arc and welded to the axial force meter. A cushion block is arranged between the connecting piece and the axial force meter. Hydraulic jacks are arranged on the two sides of the cushion block. By the adoption of the steel support axial force monitoring system capable of applying prestressing force, the problem that when the distance between a foundation pit supporting body and a land boundary line is too small and the elevation of a locking beam is different from that of a horizontal supporting system, negative influences on a foundation pit are caused by excessive deformation of the locking beam or an underground diaphragm wall is effectively solved.

The invention relates to a control system and method of additive manufacturing laser formation system integrated equipment and belongs to the technical field of additive manufacturing. The control system comprises a powder circulation system and a gas circulation system. The powder circulation system comprises a feeding barrel, a screening device, a material storage barrel, a collecting device, afeeding device and a vacuum unit. The gas circulation system comprises a vacuum unit, an inertia gas inlet, a gas storage tank, a circulation pump and a filter. According to the control system and method of the additive manufacturing laser formation system integrated equipment, through effective control over all the relevant devices of the powder circulation system, powder feeding to a laser formation module is achieved, and cyclic utilization of powder in a post-treatment chamber in a post-treatment module is also achieved; through control over all the devices of the gas circulation system, inert gas shielding protection of the laser formation module and high-vacuum-degree environment of a heat treatment module are achieved; and in this way, the efficiency of an additive manufacturing technological process is improved, waste of metal powder and inert gas is reduced, the operation environment of operation personnel is improved, and powder harm is lowered at the same time.

A method for collecting a liquid surface residual film floating on the surface of the liquid after transfer, and a transfer tank that includes a film holding mechanism, provided at inner sides of both right and left side walls, for holding both sides of the transfer film and conveying the transfer film to an immersion area. When a film that is no longer needed after the transfer is collected, dividing means divides the liquid surface residual film so as to split the liquid surface residual film in a longitudinal direction of the transfer tank before the object is removed from the transfer liquid, and the divided films are moved closer to the both side walls of the transfer tank. At the side wall portions, the film holding mechanism is canceled, and from this canceled portion, the divided liquid surface residual films are discharged out of the tank.

The invention relates to a preparation method of a sitagliptin intermediate. The method utilizes a low-toxicity organic solvent as a reaction solvent, realizes high-yield preparation of a high-purity desired product, is conducive to safe production and is suitable for industrial production.

The invention discloses an on-site surveying and mapping work system. The on-site surveying and mapping work system comprises a surveying and mapping machine body, a tripod and a fixing base, whereinthe fixing base is fixed to the surface of the top of the tripod, a mounting groove is formed in the surface of the top of the tripod, and the bottom of the surveying and mapping machine body is fixedin the mounting groove; containing grooves are formed in the inner wall of the interior of the mounting groove, a fastening clamping pad is arranged in each containing groove, the outlines of the outer ends of the fastening clamping pads are of an inwards-concave arc structure, guide columns are fixedly connected to the bottom of the rear end of each fastening clamping pad, guide grooves are formed in the inner wall of the bottom of each containing groove, the guide columns correspond to the guide grooves, and each guide column is fixed to the corresponding guide groove; and a spring fixedlyconnected to inner wall of the inner end of each guide column and the inner wall of the inner end of each guide groove. Through the designed fastening clamping pads, the surveying and mapping machinebody is installed in the mounting groove of the fixing base and clamped and fixed by the fastening clamping pads to prevent from deviating, and the surveying and mapping machine body cannot be damagedwhile the clamping force of the fastening clamping pads is guaranteed through the springs.

The invention relates to the field of welding production, in particular to a butt welding method for a bimetal composite plate, which does not use a middle transition layer for welding, avoids adverse effects caused by contact and mixing of elements in a matrix layer and a composite layer through a melt by arranging a weld groove, selecting a welding method and optimizing a process, and therefore the mechanical property and the corrosion resistance of a welding joint are ensured. The butt welding method comprises the following steps of a, preparing materials, specifically, forming a base body layer truncated edge structure and a base body layer groove structure; B, cleaning weld joints and surfaces near the weld joints; C, assembling, specifically, enabling two plates to be in butt joint, and fixing the bimetal composite plates through a tool clamp; and d, welding, firstly, welding a composite layer welding seam by adopting a laser welding method, then, welding the part of the truncated edge structure of the base body layer by adopting electric arc welding, and finally, finishing the remaining welding bead of the welding seam needing to be welded by adopting an electric arc welding or laser composite welding method. The butt welding method is particularly suitable for the butt welding process of the bimetal composite plate.

A washing selecting coal plant modularization building method is characterized by comprising the following steps that first, a main plant house outer frame module is mounted, a traveling trolley is mounted; second, washing selecting coal equipment which needs to be mounted is divided into a plurality of sets according to a washing selecting coal production technology; third, a steel structure frame type mounting frame module is designed for each set of washing selecting coal equipment; fourth, the mounting frame modules are mounted in advance or conveyed into the mounted main plant house outer frame module to be mounted on site, mounting of the mounting frame modules is completed; columns of the mounting frame modules are fixedly connected with a foundation, so the vibration generated by the washing selecting coal equipment is directly transmitted to a base, influence of generated vibration on the main plant house outer frame module is avoided, service life of the main plant house outer frame module is prolonged; fifth, the washing selecting coal equipment is arranged on the mounting frame modules, and machine test operation is carried out. According to the washing selecting coal plant modularization building method, cost is lowered, resonance is reduced, and service life is prolonged.

The invention discloses self-igniting green bricks based on construction wastes. The self-igniting green bricks are prepared from the following raw materials in parts by weight: 30-45 parts of concrete blocks, 15-25 parts of waste plastics, 10-16 parts of asphalt, 20-30 parts of clay, 10-16 parts of mud, 8-14 parts of waste bamboo wood, 10-20 parts of coal and a right amount of water. The self-igniting green bricks are prepared by taking the construction wastes as a main raw material, thus greatly reducing the cost of brick making, solving the pollution, caused by the construction wastes, to the environment, and being also in line with the sustainable development of green environmental protection; furthermore, a large amount of fuel is saved in a kilning process; the raw materials in the green bricks are used for firing bricks by means of self-ignition; therefore, the self-igniting green bricks based on the construction wastes have a good market application prospect, solve the troubleof the construction wastes to construction sites and the problem of centralized stacking, avoids environmental pollution and are conducive to environmental protection.

The invention discloses a novel automobile exhaust gas purification treatment device, which comprises an exhaust pipe connecting ring, a connecting pipe and a first filter device, the top of the first filter device is fixedly connected with a pull ring, and the right side of the connecting pipe is fixedly connected to the exhaust gas purification device. An anechoic chamber, the exhaust gas purification and anechoic chamber is composed of a sound attenuation plate, the interior of the exhaust gas purification and anechoic chamber includes a second filter device, a third filter device and a fourth filter device, the right end of the exhaust gas purification and anechoic chamber is fixedly connected to an exhaust pipe, A power device is installed at the upper end of the exhaust gas purification and anechoic chamber, and the left side of the upper and lower ends of the exhaust gas purification and anechoic chamber are respectively fixedly connected with stiffeners. The mechanical arm is fixedly connected with the reinforcement ring, the rotating shaft is installed on the mechanical arm, and a reinforcement is added to make the exhaust gas purifier not easy to fall off; the multi-layer filter device design makes the exhaust gas purification more complete.

The invention discloses a seedling raising method for cultivating large-scale full crown seedlings of rubber trees. The seedling raising method includes the steps of container selection, embryo seedling selection, base material selection, nursery caressing and seedling hardening and planting. The large-scale full crown seedlings of rubber trees are adopted for planting, the labor for nurturing ina non-production period is reduced, the competitiveness of the rubber seedlings in the non-production period is improved, the non-production period is shortened, and the rubber trees are allowed to enter a cutting-available period 1-3 years earlier than conventional planting. By adopting the method, the seedling raising cycle is short, the cost is low, the seedling quality is good, the planting efficiency and survival rate are high, the rubber tree planting time can be enriched, the problem of forest irregularity caused by replenishing seedlings after planting is solved, the adverse effects ofweeds or intercropping crops on the rubber tree seedings in the non-production period are reduced, a new choice is provided for rubber tree seedling planting materials, the seedling raising method issuitable for planting on relatively flat woodlands or sloping fields, the full stand keeping rate of the rubber tree seedlings after planting of the rubber tree seedlings can be increased, and the cost of nurturing during the non-production period is reduced.

The invention discloses a manufacturing method of a vertical deformation control structure of an additionally-arranged structure column. By the adoption of the manufacturing method of the vertical deformation control structure of the additionally-arranged structure column, the problem that in the prior art, certain compression difference deformation can be caused in the underpinning and later-stage use processes of an additionally-arranged structure column in an added-storey basement can be effectively solved. The manufacturing method of the vertical deformation control structure of the additionally-arranged structure column sequentially comprises the following steps that A, an added-storey basement base plate of an added-storey basement is poured, and a welded supporting base plate is embedded in the upper surface of the added-storey basement base plate; B, an intra-column section steel column is placed between the welded supporting base plate and the vertical structure column, and a section steel column lower supporting plate is arranged on the lower portion of the intra-column section steel column; C, an ejecting device is placed between the section steel column lower supporting plate and the welded supporting base plate, and then the intra-column section steel column is jacked up through the ejecting device; D, the lower end of the intra-column section steel column is connected with the welded supporting base plate; and E, the ejecting device is dismounted and then taken out.

The invention discloses an automatic dust-fall spray control system for a tunnel, and a control method thereof. The system is composed of a dust sensor, a data processor, a control host, a cloud monitoring system and a water spraying device; through arrangement of a dust monitor in a tunnel operation area, a signal is transmitted to a control center and the cloud monitoring system; dust concentration warning values of at least two different levels are preset; when the dust concentration of a monitoring site reaches or exceeds the warning values of different levels set through the dust sensor,a solenoid valve of the water spraying device is controlled to open for spraying water to a workplace for dust fall; and through control over different opening degrees of the solenoid valve and different water flow rates corresponding to the warning values of different levels, dust of the workplace is reduced. According to the control system, through setting of multilevel warning thresholds, harmsare restrained at the embryonic stage; the system is improved through the process that the signal is transmitted to a water valve, and the purpose that different warning values correspond to different flow and flow rates for dust fall is achieved; and resources are saved, and targeted dust fall is performed.

The invention discloses a road surface self-snow-melting system and a method with environmental perception function, the system comprises a plurality of self-snow-melting units uniformly distributed along a whole road section, a plurality of meteorological stations and a management and control center, and each self-snow-melting unit comprises a heating cable buried under the road surface, a temperature and humidity sensor, a data collector and a power switch; the temperature-humidity sensor is arranged on the pavement surface layer; the signal output end of the temperature and humidity sensoris connected with the data collector; the meteorological stations are arranged on the roadside and are used for acquiring real-time weather information of the plurality of self-snow-melting units; thedata collectors and the meteorological stations transmit respective formation to the management and control center through wireless transmission modules. According to the invention, possible icing units and snow accumulation units can be predicted in advance, so that the phenomena of pavement icing and snow accumulation are avoided, the pavement self-snow-melting efficiency is improved, and the traffic safety is ensured; meanwhile, full-route monitoring can be achieved, and macroscopic management and control and road maintenance are facilitated.