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100results about How to "Reduce the number of roots" patented technology

Method for reducing number of cables through interconversion between parallel bus and serial bus

The invention designs a method for reducing the number of cables through interconversion between a parallel bus and a serial bus. A CPLD or FPGA programmable logic chip is adopted, and the CPLD or FPGA programmable logic chip has a delay-locked loop (DLL) function and a double data rate (DDR) function, the base pin rate if the chip and the frequency of a system clock are at least more than two times of frequencies all the low speed signals. Various low speed bus signals and various low speed signals are sent into the programmable logic chip, channel associated synchronized clocks or other clocks are sent into the programmable logic chip, too. An FIFO memory cell is used for caching data during serial-to-parallel convention. A DDR sampling unit is used for synchronously sampling when the low speed signals are in the rising edge and the falling edge of clocks, so that the frequency of the system clock in the programmable logic chip can be reduced by two times, so requirement of the frequency of the system clock in the chip can be reduced.
Owner:杭州紫来测控技术有限公司

High-grade prestressed bolt cable of compact rope for geotechnical engineering

InactiveCN1487149AReduce the number of rootsWith permanent anti-rust functionBulkheads/pilesPre stressHigh intensity
The present invention belongs to the field of geotechnical engineering. The anchor cable includes three sections, inner anchoring section, freely tensing section and outer anchoring section, and the freely tensing section includes several pieces of high-strength low-laxation cold drawn steel wires, rather than traditional steel strand, arranged along the anchor cable to form stable or notched hexagonal cross section. The steel wires of the anchor cable are twisted in great pitches and small twist angle and tied and settled with composite wrapping belt and two outer layers of hot extruded protective high density polyethylene pipe. The present invention has perfect antirust measures, prestress applied via drawing steel wires and balance stress, and may be freely tensed. The pull rod and conic pipe in the inner anchoring section have antisticking layer coated, and the cement cylinder has pressure applied and with properly dispersed pressure.
Owner:葛修润

Paste coating apparatus

The invention provides a glue spreader comprising many door moulding flasks reciprocating along one direction and coating head along the long rim direction of door moulding flask. A basal plate is set on platform opposite to the injection nozzle of nozzle installed on the coating head. When glue is sprayed from injection nozzle to basal plate, the relative position of basal plate and nozzle changes. In glue spreader for coating the glue figure of the desired shape on basal plate, a structure performs non-contact feeding using electromagnetic coupling between the feed line linearly set on one side of bench and current-collection core set on one side of door moulding flask, in order to transfer the control signal to moving door moulding flask. A semireflecting mirror is installed betweent the optical communication unit on one side of ground and optical communication unit on one side of movability, in order to receive the signal between the moving elements different from moving direction.
Owner:HITACHI LTD

Power supply power distribution system and method

The invention relates to the power supply field, in particular to a power supply power distribution system and method. The power supply power distribution system comprises a multi-pulse-wave rectification loop and a DC (direct current) / DC power supply installed on electric equipment, wherein the multi-pulse-wave rectification loop comprises a transformer and a full-wave rectification circuit; and the multi-pulse-wave rectification loop is connected with the DC / DC power supply via a direct-current power transmission line. According to the power supply power distribution system and method disclosed by the invention, the problems of high transmission line loss, high alternating current UPS (uninterrupted power supply) configuration cost and big system harmonic wave in the prior art can be solved.
Owner:SICHUAN INJET ELECTRIC CO LTD

Comprehensive charging system of large inland river electric ship

The invention relates to a comprehensive charging system of a large inland river electric ship. The comprehensive charging system comprises a charging station, an outdoor integrated centralized shoreelectricity box and a charging gun module. The charging station provides an alternating current power supply and a direct current power supply to the outdoor integrated centralized shore electricity box and the charging gun module. The outdoor integrated centralized shore electricity box is used for collecting a wharf shore base alternating current power supply and direct current power supply, charging or supplying electricity to the ship in a centralized mode, and monitoring the charging or electricity supplying state. The charging gun module is used for enabling the integrated centralized shore electricity box to be in butt joint with the large pure electric ship and meanwhile conducting alternating current electricity supplying and direct current electricity supplying. By adopting the comprehensive charging system, the number of electricity transmission conducting wires required for direct current electricity transmission lines with the same transmission power is small, resistance heating and electric energy loss are small, reactive power loss of inductive reactance and capacitive reactance is avoided, the transmission power is greatly increased through reducing of the electricity transmission unit loss, and the energy saving effect in electricity transmission is improved.
Owner:GUANGZHOU DEV GRP CO LTD +3

Elevator system

ActiveCN103287932AReduce the number of rootsLoss of inhibitory functionElevatorsEmbedded systemElevator system
The object of the present invention is to provide an elevator system that reduces wires and suppresses a loss of functions even in an abnormal state. The elevator system of the present invention includes: a communication controller (1b) that is installed in a cage (5), an elevating path, or a platform, and connected to an elevator equipment inside the cage (5), an elevator equipment inside the elevating path or an elevator equipment of the platform; a communication controller (1a) that is connected to the communication controller (1b) through a serial communication network (2) and an individual communication line (3) so as to perform communication; and control means that is connected to the communication controller la so as to control operations of the cage (5), in which the individual communication line communicates a signal individually in a manner separated from a signal communicated through the network (2).
Owner:MITSUBISHI ELECTRIC CORP

Preset weak area 2.5D woven composite fragile cover and preparation method thereof

The invention discloses a preset weak area 2.5D woven composite fragile cover, and belongs to the technical field of missile firing and protection. The preset weak area 2.5D woven composite fragile cover a throwing body and a framework wrapping the periphery of the throwing body. The combined position of the framework and the throwing body is divided into a weft separation area and a warp separation area. The invention further discloses a preparation method of the preset weak area 2.5D woven composite fragile cover. A 2.5D woven part reinforced epoxy resin composite serves as the material of the preset weak area 2.5D woven composite fragile cover; and according to the defect presetting manner in the weft separation area, the quantity of weft yarn keeps unchanged, and the density of warp yarn is reduced; and according to the defect presetting manner in the warp separation area, the quantity of warp yarn keeps unchanged, and the density of weft yarn is reduced. The fragile cover is light, the separation areas are novel in structure, a cover body is formed integrally and does not need to be cut, the strength of the fragile cover can be adjusted according to different pressure parameter requirements by adjusting the density of the yarn of the separation areas of the fragile cover, the fragile cover can bear pressure within a specific range and can be smoothly separated and thrown out under the action of missile gas flow, and the fragile cover is of a novel structure.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Hybrid mooring system for ultra-deepwater floating structures and mooring method

ActiveCN103482026ALength relaxationLength shrinkageAnchoring arrangementsMarine terraceMooring system
The invention discloses a hybrid mooring system for ultra-deepwater floating structures and a mooring method in the field of marine engineering oil and gas development. The mooring method includes: recording a motion response value of an ocean platform in real time by a GPS (global position system), when the motion response value is lower than a preset reasonable response value, judging the current ocean condition to be the ordinary ocean condition, and otherwise the limit ocean condition; when in the limit ocean condition, straining a tension-type mooring line, and transmitting tension A on a catenary-type mooring line and tension B on the tension-type mooring line to a control module by a second tension sensor and a first tension sensor respectively; calculating a value C through a formula by the control module, if the value C is smaller than a preset reasonable difference, keeping the tension-type mooring line constant in length, otherwise comparing the tension A with the tension B, if A is smaller than B, loosening the tension-type mooring line in length, and if A is larger than B, shrinking the tension-type mooring line in length. By the mooring method, intelligent switching between a single set of catenary-type mooring line system and the hybrid mooring system can be automatically completed, and the mooring method is simple and convenient and rapid.
Owner:佛山市榕岸海洋工程装备有限公司

Wire cable

The invention discloses a wire cable which comprises an optical cable, a power wire, a tearing rope and a first protective sleeve. The power wire and the tearing rope are located outside the optical cable, and the first protective sleeve is located on the outmost side and wraps the power wire and the tearing rope. Due to the adoption of an optical-electric mixing cable structure, the number of wiring cables can be greatly reduced, and therefore the wiring process can be simplified, laying cost is lowered, laying difficulty is reduced, and meanwhile operation cost is saved to a large extent.
Owner:ZHUHAI HANSEN TECH CO LTD

Method for bonding crystal bar splicing seams

The invention discloses a method for bonding crystal bar splicing seams, which belongs to the technical field of crystal rod bonding. The invention aims to solve the problem of providing the method, which can effectively reduce the disconnection rate, for bonding the crystal bar splicing seams. An adopted technical scheme is that the method is implemented according to the following sequence: a, preparing bars, namely arranged at least two shorter crystal bars in pairs to satisfy the length required by slicing machine processing; b, preprocessing selected crystal bars to ensure that the end face verticality of the crystal bars is less than or equal to 1.5 mm, and the end faces are clean without impurities; c, bonding the crystal bars, namely applying glue water to the end face of one of the crystal bars and butting the two crystal bars; d, processing the crystal bars after bonding, namely cleaning residual glue on the surfaces of the crystal bars, and standing the well-bonded crystal bars for 20 minutes; and e, repeating the third step and the fourth step to bond all the crystal bars arranged in pairs. The method can effectively reduce the disconnection rate and the rejection rate of the crystal bars, and improve the rate of finished products to a great extent, so the production cost is reduced, and the method can be popularized and applied to the crystal bar bonding before crystal bar slicing.
Owner:山西天能科技股份有限公司

Online sizing spinning machine and sizing method of cellulose fiber yarn at room temperature

The invention belongs to the technical field of ring spinning, and relates to an online sizing spinning machine and sizing method of cellulose fiber yarn at room temperature. The sizing spinning machine comprises a ring spinning frame and a sizing device; the sizing device is fixed on the ring spinning frame through a fixed plate, and the sizing device is located between a front roller clamp and ayarn guide hook of the ring spinning frame, and a yarn twisting section output from the front roller clamp is sized through the sizing device. A motor is connected with a pulping guide roller througha rotor shaft and drives the pulping guide roller to rotate; the bottom of the pulping guide roller is immersed in the slurry of the lower pulp groove. A circulating device is fixed at the bottom ofthe pulp groove. The online sizing spinning machine of cellulose fiber yarn at room temperature adds an on-line sizing device to the yarn twisting section between the front roller clamp and the yarn guide hook, combines the environmental friendly grout which is suitable for the normal temperature single yarn sizing of cellulose fiber yarn and carries out the sizing process on the yarn twisting section between the front roller clamp and the yarn guide hook, the spinning process is combined with the sizing procedure, and the obtained fine yarns can be used directly for weaving.
Owner:JIANGNAN UNIV

Composite corrugated steel web box girder and construction technology thereof

The invention discloses a composite corrugated steel web box girder and a construction technology of the composite corrugated steel web box girder. The composite corrugated steel web box girder comprises a bottom flange plate, a top flange plate and two corrugated steel webs which are symmetrically supported between the bottom flange plate and the top flange plate. A prestress system is arranged in the bottom flange plate and comprises a middle prestress structure and two side prestress structures. The construction technology of the composite corrugated steel web box girder comprises the steps of (1) arranging and installing the prestress system and the corrugated steel webs; (2) constructing the bottom flange plate, wherein the construction of the bottom flange plate comprises the steps that firstly, pouring of concrete in the middle of a part of sections of the bottom flange plate and primary prestress tension are conducted, and secondly, pouring of concrete in the middle of the remaining sections of the bottom flange plate and secondary prestress tension are conducted; (3) constructing the top flange plate before construction of the bottom flange plate or in the process of construction of the bottom flange plate or after construction of the bottom flange plate. According to the composite corrugated steel web box girder and the construction technology of the composite corrugated steel web box girder, the design is reasonable, construction is convenient, the constructed and formed composite corrugated steel web box girder is reasonably stressed and good in use effect, and multiple kinds of problems of an existing concrete box girder can be solved.
Owner:XIAN HIGHWAY INST +2

Novel construction method of large-diameter composite structure pile consolidated foundation

The invention discloses a novel construction method of a large-diameter composite structure pile consolidated foundation. The construction method is applicable to the consolidation of deep and weak foundations under "various complicated geological conditions and especially in the absence of bearing layers or bearing interlayers"; the construction method comprises the following steps: firstly, analyzing the foundation conditions of a region for construction to determine layer category partition of weak soil layers in the region and physical and mechanical properties of various layers; subsequently, carrying out targeted construction scheme design, and then driving a consolidation pile composed of an inner-layer pile body, a middle-layer meshed cylinder and an outer-layer water-permeable geomembrane into the region for construction until the bottom end of the consolidation pile extends into the weak foundation by not less than 10m; after the construction of the consolidation pile is finished, forming by pouring a pile cap at the top end of the consolidation pile, laying a composite spacer and carrying out subgrade filling, and finally, carrying out the construction of an upper structure layer. The novel construction method is applicable to solve the consolidation problems of deep and weak soil foundations under various complicated difficult conditions and especially in the severe absence of bearing layers, and further has the advantages of less number of pile bodies, shorter consolidation period, faster construction progress and lower construction cost.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP

Cable connector

The invention provides a cable connector, which comprises a male connector, a circuit board fixed at the rear part of the male connector and a cable, wherein the cable is correspondingly welded to the circuit board; the circuit board comprises an insulating substrate, a first surface conducting layer, a first internal conducting layer, a first grounded shield layer, a second grounded shield layer, a second internal conducting layer and a second surface conducting layer; the first surface conducting layer, the first internal conducting layer, the first grounded shield layer, the second grounded shield layer, the second internal conducting layer and the second surface conducting layer are sequentially arranged on the insulating substrate at intervals; a public power pool area is arranged on the first internal conducting layer; the first grounded shield layer and the second grounded shield layer fully extend on the circuit board to partition the first surface conducting layer and the second surface conducting layer at the upper side and the lower side; and a blank area is formed at a vertical projection position, corresponding to a back bonding pad, for transmitting a high-speed differential signal, of the first surface conducting layer, of the internal conducting layer. The cable connector is especially suitable for high-speed signal transmission.
Owner:DONGGUAN MOLEX INTERCONNECT +1

Two-way composite slab bottom plate in dense seam splicing connection and construction method thereof

The invention discloses a two-way composite slab bottom plate in dense seam splicing connection and a construction method thereof. The two-way composite slab bottom plate comprises two to three singleplates requiring dense seam splicing connection; a section of after pouring groove is formed in the splicing seam position of the single plate every a distance; connection steel bars are exposed fromthe after pouring grooves; screw thread processing is performed on the end parts of the connection steel bars; and the connection steel bars between the two connected single plates are connected through steel bars. The two-way composite slab bottom plate is made in a factory; after the two-way composite slab bottom plate is conveyed to the field and is hoisted, a steel bar connector is sleeved onto the steel bar positioned at one side of the seam; another bottom plate to be connected is hoisted, so that the grooves of the two bottom plates are aligned; the steel bar connector is sleeved ontothe connection steel bar at the other side; and the steel bar connection can be completed after the three connection steel bars are fastened by screw caps. After the steel bar connection, tension force can be exerted onto the steel bars through the screw caps; and the tension force can generate precompression force in concrete in the splicing seam positions, so that the use performance of a composite slab is improved.
Owner:THE ARCHITECTURAL DESIGN & RES INST OF ZHEJIANG UNIV

Take-up winding facility

An object of the present invention is to provide a take-up winding facility which is miniaturized by reducing take-up winding device height and which is simplified by simplifying the layout of vicinity of a take-up winding machine. The present invention provides a take-up winding facility 100 configured to feed a plurality of filament yarns spun out by a spinning machine 10, from above to below to simultaneously wind the plurality of filament yarns 1 around respective plural bobbins 21 installed on a bobbin holder shaft 23 in one take-up winding machine 22, wherein a plurality of yarn feedingrollers (yarn feeding rollers 30, 31) are arranged immediately before the take-up winding machine 22, and the plurality of filament yarns 1 spun out by the spinning machine 10 are divided into a plurality of groups (filament yarn groups 2, 3) which are then fed to the respective plural yarn feeding rollers (yarn feeding rollers 30, 31) arranged immediately before the take-up winding machine 22, and the groups of filament yarns are distributively wound around respective bobbins 21 via the plurality of yarn feeding rollers (yarn feeding rollers 30, 31).
Owner:TMT MACHINERY INC

Method for producing regenerated cellulose fiber yarn

InactiveCN101974810AIncreased dry and wet strengthReduce the number of rootsCarding machinesYarnYarnCarding
The invention discloses a method for producing regenerated cellulose fiber yarn, comprising the steps of: (1) cotton opening and cleaning; (2) cotton carding; (3) drawing; (4) roving; (5) spinning; and (6) spooling, wherein a cotton carder is applied in the step of cotton carding; the cotton carder comprises a cotton carder body, and a licker-in, a cylinder and a doffer which are rotatably arranged on the cotton carder body in order; teeth are arranged on the surface of the licker-in, pins are distributed on the surface of the cylinder and pins are distributed on the doffer; a small under screen is arranged between the licker-in and the cylinder; a top cover board, a front cover board and a rear cover board are arranged at the upper part and the front and rear sides of the cylinder; teeth are arranged on the top cover board, the front cover board and the rear cover board; the distance between the licker-in and the cylinder is 0.175 mm; the distance between the cylinder and the doffer is 0.125 mm; the distance between the licker-in and the inlet of the small under screen is 3 mm; and the distance between the licker-in and the outlet of the small under screen is 0.5 mm. The dry and wet strengths of the fiber yarn produced by the method of the invention are enhanced, and the fiber yarn is suitable for the water-jet looms.
Owner:SUZHOU ZHENLUN SPINNING

Fastener stringer and slide fastener

ActiveCN104379016AEnsure engagement strengthSmooth meshingSlide fastenersYarnFastener
This fastener stringer (10) is configured in such a manner that zigzag fastener elements (20) are woven into and affixed to a fastener tape (11). First and second recesses (22a, 23a) are provided in the first and second legs (22, 23) of each of the fastener elements (20). A first fastening warp yarn (41) for fastening and affixing the first leg (22) is received in the first recess (22a), and a second fastening warp yarn (42) for fastening and affixing the second leg (23) is received in the second recess (23a). As a result of this configuration, the wear and breaking of both the first fastening warp yarn (41) and the second fastening warp yarn (42) caused by the sliding or the like of a slider (30) are less likely to occur.
Owner:YKK CORP

35D/144F polyester low-stretch yarn fabric production process

The invention discloses a 35D / 144F polyester low-stretch yarn fabric production process. Through carrying out process adjustment on four working procedures of warping, slashing, re-beaming and weaving, the kinking, the turning and the breaking are reduced, the sizing ratio is improved, the phenomena of rough yarns and cracked ends are reduced, the production efficiency is improved, and the product quality is ensured.
Owner:WUJIANG FUHUA WEAVING

Cast-in-situ bored pile and expansion and compaction construction method thereof

The invention relates to a cast-in-situ bored pile and a construction method thereof. The construction method comprises the following steps of: A) embedding a pile casing on a construction site; B) drilling a hole; C) cleaning the hole; D) putting a dry powder expansion material into the bottom of the hole, and arranging a reinforcement cage in the hole; and E) concreting, absorbing water to expand the expansion material so as to compact sediment at the bottom of the pile, wherein the expansion material comprises 85 to 90 weight percent of cement and 10 to 15 weight percent of UEA expansive agent. The sediment at the bottom of the pile is compacted by the expansion material under the condition that construction processes are not increased, so that the sediment has the same hardness as a bearing layer at the end of the pile. Compared with the traditional grouting process at the end of the pile, the construction method is simple and applicable; therefore, in the construction method, the number or length of piles can be reduced under the condition that the bearing capacity of the pile is improved.
Owner:SHANGHAI CONSTRUCTION GROUP

Planar memristor and preparation method thereof

The invention discloses a planar memristor and a preparation method thereof, the structure of the memristor is the last planar structure of a substrate, the memristor comprises an active electrode atone end, an inert electrode at the other end and a two-dimensional atomic crystal in the middle of the electrode, and the two-dimensional atomic crystal is a single crystal IV-VI group semiconductor and is in the shape of MX (M: Ge, Sn, Pb; x: S, Se), which are fast ion conductors and have unique folded layered structures, so that when the memristor is subjected to the action of an electric field,oxidized metal cations from an active electrode can be quickly migrated among layers, vacancies or special channels of an interface of a two-dimensional atomic material, thereby realizing the memristor with excellent performances such as low power consumption, good cycle consistency, large switching ratio and the like. In addition, the preparation method provided by the invention is simple and easy to implement, has a wide application prospect in resistive random access memories and artificial synaptic devices needing low power consumption, and also provides a new thought for memristor preparation.
Owner:HUAZHONG UNIV OF SCI & TECH

Camellia flower-shaped eyelash grafting method

The invention provides a camellia flower-shaped eyelash grafting method. The camellia flower-shaped eyelash grafting method comprises the steps that an eye patch is adhered to the lower eyelid of a customer needing eyelash grafting, false eyelashes are cleaned separately for use, and glue special for grafting the false eyelashes is prepared; the false eyelash with the appropriate length is selected by an operator to be sized and clustered according to the lengths of five different equally-divided portions of a true eyelash, and then sized false eyelash clusters are grafted to the true eyelash, wherein after the false eyelash cluster is grafted to a first equally-divided true eyelash portion, the second false eyelash cluster, the third false eyelash cluster and the fourth false eyelash cluster are sized separately and then grafted to the other equally-divided true eyelash portions; after the four false eyelash clusters on one eye are all grafted, the false eyelash clusters are blow-dried with a blow-drying ball special for eyelash grafting for 2 minutes, and a reinforcing agent special for eyelash grafting is lightly brushed to the false eyelash for sizing. After the method is completed, the eyelash is shaped like a bloomed camellia flower and is more dense, attractive and realistic; good feeling is brought to the customer in the process and after eyelash grafting is completed, and the grafting quality is improved.
Owner:赵汝杰

Full-insulating bus multipoint temperature measuring single conductor communication system

The invention discloses a full-insulating bus multipoint temperature measuring single conductor communication system, wherein a measuring major node and all temperature measuring sub nodes adopt a single bus communication mode, a single bus works in a serial mode, and a sender simultaneously detects whether the level of the bus is consistent with that of data bit sent or not after the data is sent; if not, the sender judges that transmission fails and immediately terminates the sending state and delays to try again or carry out other processing. When the measuring major node sends the data, the level of a GPIO port is detected firstly, if the level is high level, the single bus is idle, and at the moment, all the measuring sub nodes are in receiving states. The measuring major node starts to send a start bit, then 8 data is sent and then a stop bit is sent. The measuring major node can be used for continuously reading the level of the bus in the sending process. If the level is not consistent with the sending level, current transmission is immediately terminated, and the GPIO port is set as the high level.
Owner:STATE GRID CORP OF CHINA +2

Heat exchange tube for heat exchanger

The invention relates to a heat exchange tube for a heat exchanger. The heat exchange tube comprises a tube body, a through hole is formed in the middle of the tube body, and a plurality of U-shaped fins parallelly arranged at intervals are respectively mounted at the upper end and the lower end of the tube body. By the aid of the uniformly arranged U-shaped fins welded on the tube body, heat exchange area is increased, heat exchange efficiency is high, the heat exchange tube is small in heat resistance and flow resistance, low in heat inertia and sensitive, space and power are saved, heat exchange components are mounted inside a shell of the heat exchanger by means of welding, the number of heat exchange tubes is decreased, and the heat exchanger can be high in pressure bearing capacity and fine in heat exchange effect by the aid of the small-sized shell and fewer heat exchange components.
Owner:WUXI FANGSHENG HEAT EXCHANGER MFG

Protective umbrella and far-end protective device for peripheral blood vessel

The invention provides a protective umbrella and a far-end protective device for peripheral blood vessels, and relates to the field of medical instruments, the protective umbrella comprises a near-end developing ring, a near-end supporting ring, a supporting beam and a pocket-shaped elastic filter membrane; the near ends of the multiple supporting beams are connected to the near-end developing ring, and the multiple supporting beams are connected to the near-end supporting ring at intervals; the opening edge of the elastic filter membrane is connected to the near-end supporting ring, and the opening of the elastic filter membrane faces the near-end developing ring; a developing component is arranged on the near-end supporting ring, or a developing coating is coated on the near-end supporting ring. The far-end protective device for the peripheral blood vessel comprises the protective umbrella. The technical problems that an umbrella body structure of an existing far-end protective device for the peripheral blood vessel is poor in wall attaching performance at an inlet of an elastic filter membrane and the overall flexibility of the umbrella body structure of the far-end protective device is poor are relieved, and the operation safety is improved.
Owner:BEIJING PERCUTEK THERAPEUTICS CO LTD
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