280results about How to "Improve delivery quality" patented technology

The invention relates to multimedia communication technique, disclosing a multimedia communication method and the terminal design and implementation thereof, improving transmission reliability and communication quality. And the invention adopts ERRTP to provide a transmission layer packing form able to carry error resilient encoding solution related information on the basis of the existing RTP protocol, making multimedia data label the corresponding error resilient encoding solution related information while transmitted on ERRTP, thus merging error resilient mechanism into the transmission layer; in accordance with H.264 NALU structure, the invention provides a special ERRTP packing method and protocol header modification solution, able to integrate all NALU header bytes in the same ERRTP packet into its header, thus expressing important information of NALU in the ERRTP header and raising transmitting efficiency.

The invention relates to a task allocation method based on a genetic algorithm under the crowdsourcing environment. The method comprises the steps of receiving a submission task of a task submitter and a plurality of decomposed subtasks, receiving worker information participating task bidding provided by a crowdsourcing platform, constructing skill layering trees of participant skill relations, obtaining values capable of being provided by workers for sub-tasks, extracting keyword information, obtaining keyword bases of workers, obtaining the similarity among the workers, adopting a genetic algorithm for solving a task allocation scheme, and performing task allocation through the scheme obtained by the crowdsourcing platform. The defects that time and labor are wasted and the effect is poor are overcome. The most suitable team is allocated to one task, in this way, the final task delivery quality can be improved, and workers can better cooperate with workers with the consistent development experience as much as possible when completing the task.

The invention discloses a method and device for controlling advertising broadcasting. The method includes the steps that an advertising view request of a first user in a current advertising period is acquired, wherein the current advertising period is formed by N time buckets which are arranged according to the time sequence, each time bucket corresponds to a time interval, each time interval is composed of a time bucket corresponding to the time interval and time buckets prior to the time bucket in the current advertising period, and each time interval of the corresponding advertising corresponds to the maximum broadcast time of all user intervals; candidate advertisings are determined according to the advertising view request; pre-set total broadcast times corresponding to the first user of all candidate advertisings are determined in the current adverting period; the candidate advertisings are selected to put into an advertising candidate set according to pre-set rulers; advertisings are selected to broadcast from the advertising candidate set. According to the technical scheme, advertisings are distributed to broadcast according to the time intervals, total broadcasting times of all candidate advertisings corresponding to users are set, and the advertising broadcast quality is improved.

The invention belongs to the technical field of logistics transportation and particularly relates to a multi-specification integrated intelligent express cabinet. The multi-specification integrated intelligent express cabinet is characterized in that the cabinet body of the multi-specification integrated intelligent express cabinet is used for storing express items, the cabinet body is integrally mounted on the outer side of an antitheft door, a plurality of partitions are horizontally parallelly arranged in the cabinet body, the partitions separate the cabinet body into a plurality of storage chambers, each storage chamber is provided with a front opening and a rear opening, the front end of each storage chamber is provided with an openable front door, the rear end of the cabinet body is provided with an openable rear door which seal the rear end of each storage chamber, and one of the front door of each storage chamber and the rear door can be selectively opened. The multi-specification integrated intelligent express cabinet has the advantages that user time can be saved, convenience and quickness are achieved, and the delivery quality of the express items is increased; the delivery of multiple express items can be achieved by one express cabinet, and convenience and reliability are achieved; one of the front door of each storage chamber and the rear door can be selectively opened, so that express delivery safety can be guaranteed so as to guarantee user family safety.

The invention discloses a transmission line with a barrier, which comprises two double-speed chains arranged symmetrically and in parallel. The first driving gear is set on the hexagonal rod and rotates synchronously with the hexagonal rod. One end of the hexagonal rod is connected with the deceleration motor. The bottom frame on both sides of the hexagonal rod is also provided with positive and negative screw rods. Both positive and negative screw rods are connected to the corresponding gear. The corresponding fixed mounting plates are threaded, and a suction cup assembly is also arranged between the two double-speed chains. The invention can adjust the width of the conveyor belt, has a compact structure, can be positioned, has good blocking effect, and has little damage to products.

The invention relates to a method for producing a polysilicon rod, which produces the polysilicon rod by continuously introducing a mixed gas which consists of hydrogen and a silicon containing gas and serves as a raw material gas to a reactor, and reacting the raw material gas in the reactor. The method for producing the polysilicon rod comprises the following steps: enabling the molar ratio Q of the hydrogen to the silicon containing gas to satisfy a specific relational expression by regulating the gas input M of the hydrogen serving as the raw material gas, and/or regulating the gas input N of the silicon containing gas serving as the raw material gas; and when the diameter of the polysilicon rod grows to 85 to 100 mm, enabling the Q value to fluctuate in an amplitude A. The method for producing the polysilicon rod of the invention improves the conversion per pass of trichlorosilane in a reduction process, and simultaneously, reduces the direct power consumption for the reduction of the trichlorosilane and effectively reduces the production cost of the polysilicon rod.

The invention belongs to the technical field of logistics transportation and particularly relates to a combining integration type intelligent express container. The combining integration type intelligent express container comprises a container body and an anti-theft door, the container body is used for storing express items and is integrated on the outside part of the anti-theft door, a first partition is vertically arranged in the container body and partitions the container body into a first chamber and a second chamber, a plurality of second partitions are horizontally arranged in the first chamber, the second partitions partition the first chamber into a plurality of storage rooms, one of a front door and a first back door of each storage room can be selectively opened, and one of a front door of the second chamber and a second back door of the second chamber can be selectively opened. By the arrangement, multiple express items can be delivered through one express container, convenience and reliability are achieved; in addition, one of the front door of each storage room and the back door of the container body can be selectively opened, security in delivery of the express items can be ensured, and user home security is guaranteed.

The invention discloses a full-bundle conveyor of a prestressed steel strand, which structurally comprises that the upper part of a rack is provided with two driven idler wheels in parallel; the two driven idler wheels are respectively hinged to symmetrical sliding brackets; the two sliding brackets are respectively supported by the piston rods of air cylinders; two sides of each sliding bracket are provided with a plurality of holes, and the sliding brackets are arranged on the stand columns in a sliding way; the lower part of the bracket is provided with a first driving idler wheel and a second driving idler wheel; the first driving idler wheel and the second driving idler wheel are respectively correspondingly arranged below two driven idler wheels; a first shaft on the first driving idler wheel is in driving connection with a motor reducer via belt transmission/link transmission; a second shaft on the second driving idler wheel is in driving connection with the first shaft via the belt transmission/link transmission; two ends of the first shaft and the second shaft are respectively hinged to the lower part of the rack. The full-bundle conveyor of the prestressed steel strand has the beneficial effects that a plurality of steel strands can be simultaneously transmitted to bundle weaving equipment in a next working procedure, good conditions are provided for weaving the steel strands into one steel strand bundle in a next step, and the full-bundle conveyor has good conveying quality for a plurality of single steel strands.

The invention relates to the field of catalysts, in particular to an acetylene hydrochlorination catalyst based on a porous tube wall hollow foam material and a preparation method and application of the acetylene hydrochlorination catalyst. The acetylene hydrochlorination catalyst is characterized in that the first carrier of the catalyst contains the porous tube wall hollow foam material, the material is macroscopically built by a three-dimensional-communicated support framework network, the support frameworks are three-dimensional-communicated hollow micro-channels, and the tube walls of themicro-channels contain porous structures with angstrom-scale and/or nanoscale and/or micron-scale pores. The acetylene hydrochlorination catalyst prepared by the preparation method has the advantagesthat high-dispersity controllable loading of catalytic active components, catalysis-assisting components and a second carrier used by acetylene hydrochlorination can be achieved in the various-dimension pores of the porous tube wall hollow foam material, heat transfer and mass transfer in the reaction can be intensified, and the service life of the catalyst can be prolonged.

The invention relates to a micro-service automatic testing method based on a Redis database. The method comprises the steps of A, setting a Mock annotation for an AOP method needing to be called by aremote service, wherein the Mock annotation class comprises a parameter key used for obtaining data in a Redis database and a remote service name corresponding to the AOP method, and the remote service name is used for marking whether the AOP method is allowed to be tested by Mock or not; B, setting a Remote annotation class associated with the class signature, wherein the Remote annotation classis used for marking a method containing remote calling in the class; and C, setting interception classes used for intercepting all the remote calling AOP methods, and returning corresponding differentresults according to the judgment whether the called AOP method allows the Mock test or not. According to the invention, the micro-service can be subjected to dynamic Mock test, the test flexibilityis greatly improved, and the cost and difficulty of developing a test program are remarkably reduced.

The invention discloses a preparation method and production equipment of an acrylonitrile-based carbon fiber spinning solution. The preparation method comprises the step of carrying out a polyreaction in a tubular reactor, wherein a turbulent plate or a cross over disk is arranged in a tube cavity of the tubular reactor, and a device for controlling the temperature of the tube cavity is arranged on the outer wall of the tube cavity. Because components including the turbulent plate or the cross over disk are arranged in the tube cavity of the tubular reactor adopted by the preparation method of the invention, central and peripheral materials can crosswise flow, the radial difference of the materials in a tube is effectively solved, the fluid transportation quality is improved, heat transfer and mass transfer are provided, the chemical reaction efficiency is improved and the flow resistance is relatively lower, thereby improving the uniformity of polymers and realizing continuous industrial production.

The invention discloses a centering device on a roll gang. The centering device on the roll gang comprises: a rack; two side supports arranged on two sides of the rack; and a plurality of conveying rolls which are supported between the two side supports in a hinge joint way, arranged at intervals, and are mutually rotated in parallel, wherein left spiral bands are respectively arranged on the same sides of the conveying rolls between the two side supports; right spiral bands are respectively arranged on the same other sides of the conveying rolls; and the left spiral bands and the right spiral bands are bulges which have same structures and opposite rotation directions, are fixed on the conveying rolls and are spiral. The centering device on the roll gang has the beneficial effects that: the left spiral bands and the right spiral bands are used for pushing dispersed reinforcing steel bar parts into the middle part of the conveying rolls along with the rotation of the conveying rolls in a conveying process; and the reinforcing steel bar parts can be brought in the middle part of the conveying rolls along with the rotation of the left spiral bands and the right spiral bands when being fallen into spiral coils of the left spiral bands and the right spiral bands, so that the phenomenon that the reinforcing steel bar parts are dispersed or are slipped off the conveying rolls in midway is avoided, and the conveying quality and the production efficiency of the reinforcing steel bar parts are improved.

The invention relates to the field of cable manufacturing equipment, in particular to cable manufacturing equipment. The cable manufacturing equipment comprises a supporting structure, a dust removingstructure, a telescopic structure, a winding structure, a height adjusting structure, a guide structure and a conveying structure, wherein the height adjusting structure is arranged inside the supporting structure, the end part of the height adjusting structure is connected with the winding structure, the winding structure and the supporting structure are connected in a sliding mode, then the winding structure can be driven to slide on the supporting structure through the height adjusting structure, and then winding frames with different diameters can be fixed conveniently, so that winding ofcable frames with different diameters is facilitated, and the winding flexibility is greatly improved; and the dust removing structure is arranged at the end part of the telescopic structure, then after the position of the dust removing structure is adjusted, cables are limited and guided through the dust removing structure, meanwhile, cooling and dust removal of the cables can be conveniently carried out again, so that the packaging of a heat shrinkable film is influenced at the later stage caused by too high temperature is avoided, and meanwhile, the dust and sweeps are prevented from beingadhered to the cables.

The invention relates to a bioreactor for inducing three-dimensional directional differentiation in vitro of stem cells by virtue of non-contact coculture. The bioreactor is a container for cell culture; one or more than two separation meshes are arranged in the container so that the container is divided into more than two chambers; inducing cell embedded sodium alginate microcapsules and stem cell embedded calcium alginate microgel beads are arranged in different chambers, so that non-contact dynamic coculture of two or more than two types of cells under a three-dimensional growth condition in the same system is realized; the reactor is used for promoting the directional differentiation of the stem cells under the three-dimensional growth condition by virtue of an inducing factor secreted by the inducing cells in the microcapsules; after the completion of the differentiation, the microgel beads are dissolved by virtue of a sodium citrate solution, and finally, the differentiated cells can be obtained. The bioreactor is simple to operate and low in cost; the separation meshes in the bioreactor enable the microcapsules and the microgel beads to be separated from each other thoroughly, and then the two carriers are prevented from being mixed together.

The invention provides an advertisement putting method and system. The advertisement putting method comprises the steps that the user image information of an advertisement putting area is acquired; the users included in the user image information are identified, and the putting users under advertisement putting are determined out of the identified users; the user features of the determined puttingusers are analyzed and then the user digital information of the putting users is determined based on the analyzed user features; and advertisement putting is performed according to the determined user digital information. The offline advertisement putting accuracy can be enhanced and the putting quality can be enhanced.

A technique is provided for delivering content to a user. The user sends at least one quality indicator to a first content-delivery device, referred to as a secondary device. The indicator relates to delivery of a portion of the content by a second content-delivery device, referred to as a primary device. When the secondary device detects an event that might affect the delivery of the content by the primary device to the user, on the basis at least of the quality indicators relating to at least a delivery of content by the primary device, it commands the user to transfer from the primary device to the secondary device in order to enable the secondary device to deliver portions of the content that have not been delivered by the primary device.

The invention relates to an automatic adjustable laval pipe, which can automatically change the pipe diameter of the laval pipe, realize adjustment of the required air quantity according to the characteristics of materials, provide stable air flow under the condition of air pressure fluctuation, and is suitable for a material conveying system which requires regular adjustment of the air quantity. The automatic adjustable laval pipe mainly comprises an air inlet pipe, a regulating stem and a fixed laval pipe, wherein the air inlet pipe and the fixed laval pipe are fixedly connected with each other; the regulating stem runs through the air inlet pipe; the outer end part of the regulating stem is connected with an automatic pressure regulator, and the inner end part of the regulating stem is extended into an inlet of the fixed laval pipe; a cross section of the inlet is provided with a funnel-shaped curved structure; a first section of curve is a section of circular arc of which the circle center is on an inlet interface of the fixed laval pipe; a third section of curve is a section of circular arc of which the circle center is on a minimum cross section on a throat section of the fixed laval pipe; and a second section of curve is a common tangent line which connects the first section of curve and the third section of curve.

The present invention features that calcium hydroxide suspension from the slaking step is first cooled in a static mixer to about 30 deg.c, and then mixed with crystal form controlling agent and reaction inhibitor in the static mixer; the mixed calcium hydroxide suspension and CO2 gas are high speed sheared and reacted in a pipeline high-shearing emulsifying machine with casing, stator-rotor combination and cooling water channel; and after dispersant is mixed to the reacted calcium carbonate suspension in a static mixer, the mixture is finally dewatered, dried and surface treated. The present invention solves the technological problems of large and uneven product granularity, instable product quality, etc.

The invention relates to a method for producing polysilicon, which produces the polysilicon by continuously introducing a mixed gas which consists of hydrogen and a silicon containing gas and serves as a raw material gas to a reactor, and reacting the raw material gas in the reactor. The method for producing the polysilicon rod comprises the following steps: enabling the molar ratio Q of the hydrogen to the silicon containing gas to satisfy a specific relational expression by regulating the gas input M of the hydrogen serving as the raw material gas, and/or regulating the gas input N of the silicon containing gas serving as the raw material gas; and when the diameter of the polysilicon rod grows to 85 to 100 mm, maintaining the Q value constantly until finishing the reaction. The method for producing the polysilicon rod of the invention can improve the conversion per pass of trichlorosilane in a reduction process and the growing speed of the polysilicon.

The invention relates to the technical field of recycling of coal-series solid waste, in particular to a method for preparing soda-lime glass from a raw material alkali residue byproduct produced during firing of low-modulus water glass with coal gangue acid-leached residue-sodium sulfate. The alkali residues are introduced into soda-lime glass production, so that sodium sources in a raw material formula completely come from the alkali residues, the cost is lower in the soda-lime glass preparation process, calcium in the alkali residues exists in the form of calcium silicate, the alkali residues are used as raw materials to produce the soda-lime glass, meanwhile, lime dissociation energy and calcium silicate chemical combination energy can be saved, and energy consumption in the soda-lime glass preparation process is further reduced; the main phase Na2SiO3*CaSiO3 of the alkali residues, which is an eutectic mixture of silicon dioxide, sodium oxide and calcium oxide, is combined, the melting point during glass melting is reduced, mass transfer and substance homogenization among reactants are promoted, the chemical combination energy of sodium silicate and calcium salt is reduced, and the production energy consumption of the soda-lime glass is reduced.

The invention discloses an application of two-dimensional code in package unpackaging traceability. An addresser inputs package information into a remote server connected with the Internet, a correspondingly associated two-dimensional code tag is generated, an then, the two-dimensional code tag is fastened and adhered to the seal of the package; a package transferring person scans the two-dimensional code to upload transfer circulation information to the remote server, and associates the upload transfer circulation information with corresponding package information; and when a receiver receives the package, the receiver scans the two-dimensional code tag on the package through the camera of the remote terminal to carry out package information checking, then, the package information is sentto the addresser, the receiver evaluates trading, if the two-dimensional code tag is broken, the receiver can not normally carry out scanning and identification, then, the receiver feeds a package situation to the addresser through an APP to carry out package arrival situation feedback, and therefore, the package unpackaging traceability is realized.

The invention relates to the technical field of aquaculture feed throwing, in particular to a working method of feed putting equipment for aquaculture. The equipment comprises a ship body, and furthercomprises a controller, traveling mechanisms, a uniform stirring mechanism and a spreading mechanism, and the traveling mechanisms are arranged at the two sides of the ship body to support travelingof the ship body; and each traveling mechanism comprises two supporting air bags and two rotating assemblies, the uniform stirring mechanism comprises a feeding kettle, a transmission assembly and twostirring assemblies, the spreading mechanism is arranged in the ship body and used for throwing feed, the spreading mechanism comprises a throwing shovel, a driving assembly and connecting rod assemblies, and the driving assembly is electrically connected with a controller. According to the method of the feed throwing equipment for aquaculture, feed can be prevented from falling on the water surface in a centralized manner, the feed can be thrown dispersedly, the feeding area is increased, meanwhile, the process is simple, the throwing efficiency is high, and the feeding cost can be reduced.