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33results about How to "Eliminate economic loss" patented technology

Carrying type deep sea core drilling machine

InactiveCN104594800AImprove securityMeet the requirements of harsh sampling conditionsEarth drilling toolsUnderwater drillingHydraulic motorMarine engineering
The invention relates to an offshore exploration mechanical device, in particular to a carrying type deep sea core drilling machine which can be carried on a manned submersible vehicle or an underwater robot to obtain deep sea rock and ore samples. The carrying type deep sea core drilling machine comprises a drilling machine main shaft, a bearing pedestal, a drilling tool, a hydraulic motor and a linkage base. The drilling machine main shaft is installed on the bearing pedestal. One end of the drilling machine main shaft is connected with the drilling tool, and the other end of the drilling machine main shaft is connected with an output shaft of the hydraulic motor. The hydraulic motor is installed in the linkage base. One end of the linkage base is fixed to the bearing pedestal, and the other end of the linkage base is fixed to a mechanical arm of the manned submersible vehicle or the underwater robot. A pressure compensation device is arranged on the bearing pedestal. The carrying type deep sea core drilling machine has the advantages of being compact in structure, light in weight, high in reliability and safety and the like; the various requirements under severe working conditions of deep sea core sampling can be met, the samples can be conveniently and reliably provided for the scientific research on deep sea ore resources, and the carrying type deep sea core drilling machine is suitable for underwater core drilling.
Owner:SANYA INST OF DEEP SEA SCI & ENG +1

Primer combination and kit for simultaneous detection of 93 bovine genetic defect genes and lethal haplotypes

The invention discloses a primer combination and a kit for simultaneous detection of 93 bovine genetic defect genes and lethal haplotypes. Through use of the primer combination and the kit, casual mutation sites (SNP and insertion or deletion of short fragments) of the 93 genetic defect genes (such as PIRM syndrome, crooked tail syndrome, epidermolysis bullosa and the like) and the lethal haplotypes (HH1, HH3, HH4, HH5 and JH1) can be detected in one time, cattle with monogenic inheritance defect gene carriers and lethal haplotype carriers can be screened, and accurate guidance is provided for cattle breeding and genetic evaluation, herd selection and assortative mating, population genetic improvement, cultivation of new varieties and genetic resource protection. The primer combination and the kit have the characteristics of high throughput, low cost, high accuracy, and the like, is suitable for the varieties of beef cattle and dairy cattle, and can be widely used in the breeding and reproduction field of the cattle.
Owner:DAIRY CATTLE RES CENT SHANDONG ACADEMY OF AGRI SCI

Primer probe set used for detecting coxsackie viruses, enterovirus 71-type and enterovirus universal type through multiple PCR

The invention relates to a primer probe set used for detecting coxsackie viruses A6 type / A10 type / A16 type / enterovirus 71-type / enterovirus universal type through multiple PCR. The invention also provides a kit used for detecting coxsackie viruses A6 type / A10 type / A16 type / enterovirus 71-type / enterovirus universal type through multiple quantitative fluorescence PCR. The kit comprises the primer probe set. The above technical scheme provides a complete solution scheme for rapidly screening coxsackie viruses A6 type / A10 type / A16 type / enterovirus 71-type / enterovirus universal type in food, can increase emergent processing for hand-foot-and-mouth disease and comprehensive control capability, provides the necessary technical guarantee for reducing large-scope spreading of hand-foot-and-mouth disease in population, and eliminates the social influence and economic loss due to outbreak of infectious diseases.
Owner:北京卓诚惠生生物科技股份有限公司

Temperature-sensitive material for predicting coal spontaneous combustion of goaf and preparation method and application of temperature-sensitive material

The invention discloses a temperature-sensitive material for predicting coal spontaneous combustion of goaf and preparation method and application of the temperature-sensitive material. The temperature-sensitive material is composed of a capsule containing tracer core materials, the capsule wall of the capsule is prepared from prepared raw materials obtained by evenly mixing 70 type chlorinated paraffins and 52 type chlorinated paraffins at the ratio of 3:1 to 6:1, and the tracer core materials include SF6 and industrial flavor. The temperature-sensitive material can be directly used in a goafarea, first-phase arrangement is not required, and simplicity, convenience and practicality are achieved; the chlorinated paraffins of the capsule wall have good stability and can protect a capsule core material to remain in the goaf for a long time at room temperature, the tracer core materials are easy to prepared and obtain, when residual coal in the goaf appears high-temperature hidden dangerand the ambient temperature reaches or exceeds a critical value of capsule wall softening of the capsule, thawing and rupture of the capsule wall can be detected by the human body olfaction and an SF6 detector, thus the phenomenon of coal spontaneous combustion can be predicted stably and effectively, and major accidents caused by coal spontaneous combustion are avoided; and a metal frame can prevent damage from geological problems, and the error-tolerant rate of a system is increased.
Owner:CHINA UNIV OF MINING & TECH

Non-leakage idling resistant centrifugal pump

The invention relates to a non-leakage idling resistant centrifugal pump which is suitable for liquid delivery in various fields. The technical scheme and method scheme in the invention are as follows: the centrifugal pump is in a vertical type, a power centrifugal shaft seal fits and contacts with a static ring, the edge of the centrifugal shaft seal is provided with a weight block which can be detached during operation; when the pump operates, a labyrinth seal or an auxiliary impeller dynamic seal is used to seal the pump chamber; when the pump stops, the power centrifugal shaft seal closely contacts with the static ring and the seal simultaneously, the liquid level difference is utilized and two shaft seal groups are used for sealing, thus the design is elaborate, the combination is ingenious, no barrier or leakage exist during idling and the pump has no special requirement on the installation site; and the electric motor is matched with an oversize bearing and the motor shaft and the pump shaft are in close fit through a hot jacket or a one-shaft structure, thus the performance of the pump is reliable and the energy consumption is low. The impeller and the pump shaft adopt keys and lock nuts, thus preventing the pump counter rotational impeller from falling off. The centrifugal pump in the invention has the advantages of high efficiency, no leakage, idling resistance, low maintenance cost and long service life, is simple in operation, and is energy-saving, environment-friendly and the like.
Owner:JIANGSU WUXIN PUMP IND CO LTD

Auxiliary structure of atmospheric pollution data acquisition device employing unmanned aerial vehicle

The invention discloses an auxiliary structure of an atmospheric pollution data acquisition device employing an unmanned aerial vehicle. The structure comprises a bearing table, a first servo motor, a connecting rotary table, a second servo motor, a connecting rotary seat, a third servo motor, a fourth servo motor and a protection mechanism. The bottom side of the bearing table is fixedly mounted with a plurality of mounting tables through a plurality of damping balls; the first servo motor is installed at the center of the top side of the bearing table, an adapter column is installed at the output end of the first servo motor and located below the bearing table, the connecting rotary table is installed at the bottom end of the adapter column, and the second servo motor is installed at one side of the bottom end of the connecting rotary table. According to the invention, the structure can achieve the determining of the atmospheric collection position and the observation of the driving of the unmanned aerial vehicle. The all-directional matched rotation can guarantee that the unmanned aerial vehicle can be conveniently controlled by an operator in the atmospheric pollution detection process through, and meanwhile, the data collection can be carried out on atmospheric pollution in all directions, so that the accuracy of the collected data is ensured.
Owner:郑刚

Lubrication and cooling system of low-temperature thermal power generation expander

The invention discloses a lubrication and cooling system of a low-temperature thermal power generation expander. The lubrication and cooling system comprises a synchronous generator, a double-screw expander connected to the synchronous generator and used for driving the synchronous generator, and a flooded evaporator. An inlet of a heat source channel of the flooded evaporator is connected to a low-temperature heat source by a pipe. An outlet of the heat source channel of the flooded evaporator is connected to a low-temperature heat source return pipe. A mixed oil power generation medium inlet of the flooded evaporator is connected to a mixed oil power generation medium by a medium pipe. A heat exchange-produced saturated gas power generation medium outlet of the flooded evaporator is connected to a power generation medium inlet of the double-screw expander by a pipe. The flooded evaporator is provided with a rich lubricating oil outlet for discharging rich lubricating oil separated from the mixed oil power generation medium. The rich lubricating oil outlet is connected to a lubricating oil inlet of the double-screw expander by a pipe and is used for lubricating a bearing of the double-screw expander. The lubrication and cooling system can greatly simplify the original screw machine lubrication and cooling system, save an equipment investment and improve low-temperature power generator operation stability.
Owner:TIANJIN UNIV

Bamboo forest shed making method

The invention discloses a bamboo forest shed making method. The method comprises the steps that bamboo trees in a required region of a bamboo forest are used as supporting pillars, the bamboo trees in the region are bound and connected through connecting rods at the same height to form a roof support, and shed cloth is laid on the roof support to form a roof; surrounding shed cloth is connected to the ground along the edge of the roof by one circle, one position is provided with a door, and then a single-roof bamboo forest shed is formed; or the roof is used as the first roof, the bamboo trees in the region are bound and connected through connecting rods in a projection mode at the same height ranging from 5 cm to 50 cm below the roof to form another roof support, shed cloth is laid on the second roof support to form a second roof, surrounding shed cloth is connected to the ground along the edge of the first roof by one circle, one position is provided with a door, and then a double-roof bamboo forest shed is formed. By means of the bamboo forest shed making method, operation is easy and convenient, cost is low, there is no need to fell or damage the bamboo trees, the made bamboo forest shed has the functions of resisting rain and snow in a large area, shading sunlight, adjusting and controlling the temperature and humidity in the shed and the like, and a new approach is opened up for development of diversified operation of planting and breeding in the bamboo forest.
Owner:ZHEJIANG UNIV

Cargo transportation box with self-protection function

The invention relates to the technical field of freight transportation, and discloses a cargo transportation box with a self-protection function. The cargo transportation box comprises a shell, the inner wall of the shell is fixedly connected with a fixed frame, the inner wall of the fixed frame is elastically connected with a vibrating diaphragm, the inner side of the vibrating diaphragm is fixedly connected with a closed coil, the inner wall of the fixed frame is fixedly connected with a permanent magnet, a connecting roller is movably connected to the inner wall of the shell, a fixing shaftis fixedly connected to the inner wall of the connecting roller, and an electromagnet is fixedly connected to the inner wall of the fixing shaft. According to the cargo transportation box with the self-protection function, through expansion of leather cushions, it is avoided that the transportation box shakes to drive cargos to shake, the cargos collide with the transportation box, damage to thecargos is avoided, economic losses are eliminated, scrapping of the cargos is prevented, resources are saved, and meanwhile, the box body of the transportation box is prevented from being collided andscratched, and the service life of the transportation box is prolonged.
Owner:广州胜宇达货运代理有限公司

Method for positioning weld of heat insulation pressure-carrying pipeline based on X-ray digital imaging detection

The invention discloses a method for positioning a weld of a heat insulation pressure-carrying pipeline based on X-ray digital imaging detection. The method is characterized by comprising the following steps of 1, according to the outer diameter of the pressure pipeline and the thickness of a heat insulation layer, preliminarily evaluating the position of the weld, and correspondingly putting a ray machine and an imaging board at the position capable of imaging the preliminarily evaluated weld position; 2, adjusting the tube voltage and exposure time of the ray machine for shooting, so as to obtain a detection image; 3, according to the situation of the obtained detection image in step 2, and the convex contour caused by the weld reinforcement, judging the position of the weld, and further adjusting the angles and bearings of the ray machine and the imaging board, so as to perform the X-ray digital imaging detection. The method has the advantages that the weld of the heat insulation pressure-carrying pipeline can be quickly positioned, the economic loss due to detachment of the heat insulation layer is avoided for an end user, the labor intensity of detectors is decreased, and the detection efficiency is improved.
Owner:GUANGDONG INSPECTION & RES INST OF SPECIAL EQUIP ZHUHAI INSPECTION INST +1

Anticorrosive paint under thermal insulation layer, application of anticorrosive paint, coating process and anticorrosive coating

The invention belongs to the technical field of paint chemical industry, and relates to anticorrosive paint under a thermal insulation layer, application of the anticorrosive paint, a coating process and an anticorrosive coating. The anticorrosive paint comprises a component A and a component B which are packaged separately, wherein the component B comprises a complex generated by carrying out reversible reaction on a ketone solvent and an amine curing agent; when the component A and the component B are mixed, the complex is subjected to reverse reaction to gradually release the amine curing agent, so that the amine curing agent is subjected to curing reaction with an epoxy group in the component A. The paint not only has excellent corrosion resistance under the thermal insulation layer, but also has certain low surface tolerance, and can directly coat the surface of a high-temperature equipment pipeline on the premise of maintenance without shutdown, and the use temperature range of the coating can be improved.
Owner:CNOOC CHANGZHOU PAINT & COATINGS IND RES INST +2

Continuous model of two-stage method

The invention discloses a continuous model of a two-stage method. The first-stage frequency analysis is used for detecting periodicity in the data. In the second stage, statistical analysis is carriedout to confirm the mode detected in the first stage and determine factors related to delay. A plurality of logistic regression and binary logistic regression models are established to check the influence of various factors on average daily delay and single flight delay, and the method aims to evaluate the punctual arrival ability of an aircraft and identify flight delay by using an innovative two-stage method. According to the method, a new mathematical algorithm is used, and the phenomenon of periodic repetition can be identified in flight delay, that is, the periodic flight delay characteristic is achieved. Based on the detected recurrence phenomenon, an important variable affecting the delay may be identified. The relationship between the variables and flight delay is researched by using a statistical technology. According to the method, the flight delay trend can be displayed, and airport management personnel can be helped to formulate an effective strategy for reducing flight delay.
Owner:CIVIL AVIATION FLIGHT UNIV OF CHINA

Turnover appliance for automobile fuel tank

The invention relates to a turnover appliance for an automobile fuel tank. The appliance comprises an appliance body and a supporting platform. The appliance body is formed by welding a cross beam anda main column. A stacking top bowl is welded to the top end of the main column and a stacking bottom bowl is welded to the bottom end of the main column, and a forklift foot is welded to the cross beam at the bottom end of the appliance and two castors and a traction mechanism are mounted at the bottom end of the appliance, separately. The supporting platform is composed of a supporting platformframe and a positioning block. The supporting platform is fixed in the appliance body. A storage space is designed in three layers, a group of hinges, a group of gas springs, a group of supporting blocks and a group of bolts are separately added between a second placing layer and the appliance body and between a third placing layer and the appliance body, and a top cover is mounted on the top. Theturnover appliance is steady in structure, is repeatedly used, is economical and environment-friendly, avoids collision of the automobile fuel tanks caused by stacking, increases the storage space, enhances the utilization ratio of space, lowers the transportation and storage costs, improves the efficiency and meets the man-machine engineering.
Owner:SUZHOU SENZHONG AUTO PARTS CO LTD

Finite element analysis system for state monitoring and early warning of autoclaved aerated concrete equipment

The invention discloses a finite element analysis system for autoclaved aerated concrete equipment state monitoring and early warning, and relates to the field of autoclaved aerated concrete equipment state monitoring and early warning systems. The device comprises a micro finite element analysis system integration box and a sensor, a mainboard, a data analysis chip, a pulse shaping chip, a lithium battery, a circuit protection module, a storage module, a logic analysis module and an I / O interface are arranged in the micro finite element analysis system integration box; the sensor is connected with the logic analysis module through an I / O interface; the sensors comprise a first temperature sensor, a current sensor, a torsion sensor, a torque sensor, a first motion sensor, a second temperature sensor, a first vibration sensor and a third temperature sensor. According to the invention, real-time monitoring of the healthy operation state of the aerated concrete production line is realized, pre-judgment intervention is realized, stable and efficient operation of the whole production line is ensured, and factory management is effectively improved.
Owner:芜湖誉路智能装备有限公司

Non-leakage idling resistant centrifugal pump

The invention relates to a non-leakage idling resistant centrifugal pump which is suitable for liquid delivery in various fields. The technical scheme and method scheme in the invention are as follows: the centrifugal pump is in a vertical type, a power centrifugal shaft seal fits and contacts with a static ring, the edge of the centrifugal shaft seal is provided with a weight block which can be detached during operation; when the pump operates, a labyrinth seal or an auxiliary impeller dynamic seal is used to seal the pump chamber; when the pump stops, the power centrifugal shaft seal closely contacts with the static ring and the seal simultaneously, the liquid level difference is utilized and two shaft seal groups are used for sealing, thus the design is elaborate, the combination is ingenious, no barrier or leakage exist during idling and the pump has no special requirement on the installation site; and the electric motor is matched with an oversize bearing and the motor shaft and the pump shaft are in close fit through a hot jacket or a one-shaft structure, thus the performance of the pump is reliable and the energy consumption is low. The impeller and the pump shaft adopt keys and lock nuts, thus preventing the pump counter rotational impeller from falling off. The centrifugal pump in the invention has the advantages of high efficiency, no leakage, idling resistance, low maintenance cost and long service life, is simple in operation, and is energy-saving, environment-friendly and the like.
Owner:JIANGSU WUXIN PUMP IND CO LTD

Special tool for removing cotter pin on live line

The invention discloses a special tool for removing a cotter pin on a live line and the special tool is used for removing the cotter pin which is seriously rusted on a power transmission line. The special tool comprises a hollow casing. One end of the casing is provided with limiting grooves corresponding to the upper end and the lower end of the cotter pin. A picking needle corresponding to a circular ring at the head of the cotter pin is arranged at a position corresponding to the limiting groove on the casing on the internal side of the limiting groove. The picking needle can move up and down through a spring which is arranged under the picking needle. A pair of cutting piers corresponding to open legs at the bottom of the cotter pin is arranged at a position corresponding to the limiting groove below the casing on the internal side of the limiting groove. Two pier handles of the cutting piers are connected with a rotating connector which is installed at the other end of the casing and is connected with an insulating bar through an opening and closing mechanism. The special tool for removing the cotter pin on the live line has the advantages that the cotter pin can be removed in a live state, the cotter pin is convenient to remove, the tool is simple to operate, the potential hazards are eliminated and the safe operation of equipment is guaranteed.
Owner:STATE GRID CORP OF CHINA +2

Turning-over device for cylinder head of internal combustion engine and use method of turning-over device

The invention relates to a turning-over machine for large articles and a use method of the turning-over machine, is particularly suitable for turning-over of a cylinder head of a marine diesel engine, and provides a turning-over device for a cylinder head of an internal combustion engine. The turning-over device comprises a support rack and a rotary drum device, wherein the rotary drum device is placed on the support rack; the support rack comprises a base, four support lugs and rolling bearings; the support lugs with the same specification are arranged on the upper surface of the base, and form a rectangle; the rolling bearings with the same specification are movably mounted on the support lugs correspondingly; the rotary drum device comprises an upper drum body and a lower drum body which are fastened via locking bolts; platform racks used for accommodating and limiting the cylinder head to-be-turned-over are arranged in the upper drum body; fixing pins used for fixing the cylinder head to-be-turned-over are arranged on the platform racks; and support beams used for improving the rigidity of the upper drum body are arranged on two inner sides of the upper drum body.
Owner:NANJING CHANGJIANG WATERWAY ENG BUREAU

Power transmission and transformation line bolt live disassembly tool

The invention relates to the technical field of bolt fastening tools, in particular to an electrification disassembling and assembling tool for a power transmission line bolt. The electrification disassembling and assembling tool comprises an installing box, a rotating shaft, a sleeve and an insulating rod. A power source, a torsion drive device and a signal receiving circuit board capable of remotely receiving wireless signals are arranged in the installing box. The power supply input end of the torsion drive device and the power supply input end of the signal receiving circuit board are electrically connected with power supply output ends of the power source together. The signal output end of the signal receiving circuit board is electrically connected with the signal input end of a switch control module of the torsion drive device together. The electrification disassembling and assembling tool is reasonable and compact in structure and convenient to use, and operation is conducted in a labor saving manner. The electrification work can be achieved by additionally arranging the insulating rod, and therefore the bolt disassembling and assembling time can be effectively shortened, and economic losses caused by power failures are eliminated. In addition, in the whole operation process, only one operator is needed for work at the high position, meanwhile, the staying duration of the operator working at the high position is shortened, the operation risk of the operator can be reduced, and the safety coefficient is increased.
Owner:国网新疆电力有限公司巴州供电公司 +1

Temperature-sensitive materials, preparation methods and applications for predicting coal spontaneous combustion in gobs

The invention discloses a temperature-sensitive material for predicting coal spontaneous combustion of goaf and preparation method and application of the temperature-sensitive material. The temperature-sensitive material is composed of a capsule containing tracer core materials, the capsule wall of the capsule is prepared from prepared raw materials obtained by evenly mixing 70 type chlorinated paraffins and 52 type chlorinated paraffins at the ratio of 3:1 to 6:1, and the tracer core materials include SF6 and industrial flavor. The temperature-sensitive material can be directly used in a goafarea, first-phase arrangement is not required, and simplicity, convenience and practicality are achieved; the chlorinated paraffins of the capsule wall have good stability and can protect a capsule core material to remain in the goaf for a long time at room temperature, the tracer core materials are easy to prepared and obtain, when residual coal in the goaf appears high-temperature hidden dangerand the ambient temperature reaches or exceeds a critical value of capsule wall softening of the capsule, thawing and rupture of the capsule wall can be detected by the human body olfaction and an SF6 detector, thus the phenomenon of coal spontaneous combustion can be predicted stably and effectively, and major accidents caused by coal spontaneous combustion are avoided; and a metal frame can prevent damage from geological problems, and the error-tolerant rate of a system is increased.
Owner:CHINA UNIV OF MINING & TECH

Automatic speed-cutting contact device for high-speed rail

InactiveCN109878379AShorten speedInertial force i.e. centrifugal force decreasesTrolley linesElectricityPower flow
The invention discloses an automatic speed-cutting contact device for high-speed rail, which comprises a main support body, and a contact line for electricity transmission of the high-speed train is hoisted on the main support body, and a shunt line is connected in parallel near the turning position of the rail on the contact line. The current transmitted by the automatic speed-cutting contact device for high-speed rail to the pantograph of the train is smaller; at the same time, the current transmitted to the traction motors by a traction transformer in the train after transforming voltage isalso smaller; at the same time, based on the nominal (constant) torque of each traction motor, the received current of each traction motor is decreased by 50% compared with the received current of each traction motor before the parallel connection of the contact line. Because the received current value of the motor is reduced by half, the output power of the motor is also reduced by half, and therevolving speed is also reduced by half.
Owner:彭绵杰

How to make bamboo forest greenhouse

The invention discloses a bamboo forest shed making method. The method comprises the steps that bamboo trees in a required region of a bamboo forest are used as supporting pillars, the bamboo trees in the region are bound and connected through connecting rods at the same height to form a roof support, and shed cloth is laid on the roof support to form a roof; surrounding shed cloth is connected to the ground along the edge of the roof by one circle, one position is provided with a door, and then a single-roof bamboo forest shed is formed; or the roof is used as the first roof, the bamboo trees in the region are bound and connected through connecting rods in a projection mode at the same height ranging from 5 cm to 50 cm below the roof to form another roof support, shed cloth is laid on the second roof support to form a second roof, surrounding shed cloth is connected to the ground along the edge of the first roof by one circle, one position is provided with a door, and then a double-roof bamboo forest shed is formed. By means of the bamboo forest shed making method, operation is easy and convenient, cost is low, there is no need to fell or damage the bamboo trees, the made bamboo forest shed has the functions of resisting rain and snow in a large area, shading sunlight, adjusting and controlling the temperature and humidity in the shed and the like, and a new approach is opened up for development of diversified operation of planting and breeding in the bamboo forest.
Owner:ZHEJIANG UNIV

A carry-on deep-sea core drilling rig

The invention relates to an offshore exploration mechanical device, in particular to a carrying type deep sea core drilling machine which can be carried on a manned submersible vehicle or an underwater robot to obtain deep sea rock and ore samples. The carrying type deep sea core drilling machine comprises a drilling machine main shaft, a bearing pedestal, a drilling tool, a hydraulic motor and a linkage base. The drilling machine main shaft is installed on the bearing pedestal. One end of the drilling machine main shaft is connected with the drilling tool, and the other end of the drilling machine main shaft is connected with an output shaft of the hydraulic motor. The hydraulic motor is installed in the linkage base. One end of the linkage base is fixed to the bearing pedestal, and the other end of the linkage base is fixed to a mechanical arm of the manned submersible vehicle or the underwater robot. A pressure compensation device is arranged on the bearing pedestal. The carrying type deep sea core drilling machine has the advantages of being compact in structure, light in weight, high in reliability and safety and the like; the various requirements under severe working conditions of deep sea core sampling can be met, the samples can be conveniently and reliably provided for the scientific research on deep sea ore resources, and the carrying type deep sea core drilling machine is suitable for underwater core drilling.
Owner:SANYA INST OF DEEP SEA SCI & ENG +1
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