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31results about How to "Avoid frequent" patented technology

Method for coordinating district interference

The invention discloses a method for coordinating cell interference, which comprises the following steps: an evolution base station eNB receives an interference physical resource block PRB list, a plurality of parameters are included in the interference PRB list, the parameters include information on interference PRB users, a cell identity and a PRB identity; the evolution base station eNB judges whether the interference PRB is continuously utilized or not according to priority decision values, and the priority decision values are calculated according to the parameters. The invention further provides a base station for coordinating the cell interference, which comprises a transceiver module, a decision module and an executable module. By adopting the method and the base station for coordinating the cell interference, the cell interference coordination can be fairer and more reasonable, the frequency of the cell interference coordination is reduced, and the system performance is enhanced.
Owner:HUAWEI TECH CO LTD

Method and terminal for avoiding cell pingpong reselection

ActiveCN102204344AAvoid frequentRaise the reselection thresholdWireless communicationSignal qualityComputer science
A method for avoiding cell pingpong reselection is disclosed in the present invention, which comprises: cells which are able to be candidate serving cells are selected, according to an S criteria, from current serving cells and adjacent non-serving cells; an optimal cell is determined, according to an R criteria, from the candidate serving cells; if the optimal cell is not the current serving cell, it is determined that whether the signal intensity and the signal quality of the optimal cell are greater than or equal to reselection thresholds, wherein the reselection thresholds are greater than the minimum serving thresholds of the serving cell; and in the condition that the signal intensity and the signal quality of the optimal cell are greater than or equal to reselection thresholds, the cell reselection is initiated. The embodiments of the present invention also provide a corresponding terminal. Since the reselection thresholds of the cell reselection are increased in the solution of the present invention, the cells with good signal intensity and bad signal quality or the cells with bad signal intensity and good signal quality will not be within the candidate range of the reselection cells, and thus the cell pingpong reselection is avoided to occur frequently effectively.
Owner:HUAWEI TECH CO LTD

Education cloud application statistics method based on parallelized association rule algorithm

The invention relates to an education cloud application statistics method based on a parallelized association rule algorithm. The method comprises the following steps of firstly performing data modeling to education cloud application access conditions and storing source data in an HDFS (Hadoop Distributed File System) in the form of Boolean matrix; secondly performing parallelized optimization to the association rule algorithm based on a Map Reduce framework, respectively compiling a Map function and a Reduce function, and performing mining analysis to the source data stored in the HDFS, thereby obtaining the visitor's using status of the education cloud application and recommending characteristics. According to the technical scheme of the method, the frequency of scanning data item sets is greatly reduced and the I / O (Input / Output) consumption of the system is reduced.
Owner:SHANDONG UNIV

Service registering apparatus and method using cell reselection procedure in portable terminal

An apparatus and method for performing a service registration through a cell reselection procedure in case of a service registration failure in a portable terminal are provided. The apparatus includes a service registration manager for acquiring cell reselection parameters of a cell to be reselected and a serving cell, and applying a cell reselection offset to the acquired cell reselection parameters of the serving cell to re-execute a cell reselection procedure; and a controller for directing the serving registration manager to change the cell reselection parameters of the serving cell to a cell reselectable condition to perform the cell reselection procedure when the service registration of the portable terminal fails.
Owner:SAMSUNG ELECTRONICS CO LTD

Method and device for transmitting heartbeat information

ActiveCN102724646AAvoid frequentAvoid the problem of signaling interaction between access network devicesServices signallingConnection managementAccess networkData transmission
The embodiment of the invention provides a method and a device for transmitting the heartbeat information. One method comprises the following steps: an access network device receiving the first RRC signaling information transmitted from a terminal and the first RRC signaling information includes the heartbeat information; the access network device transmitting the heartbeat information to a core network device so that the core network device could transmit the heartbeat information to a business server. The embodiment of the invention prevents the terminal from frequently performing signaling interaction with the access network device due to establishment and release of data transmission load to transmit a heartbeat packet so that the signaling process burden of the access network device and the power consumption of the terminal are reduced, thereby guaranteeing normal operation of the communication service for the terminal.
Owner:HUAWEI TECH CO LTD

Goods distribution package generation method and system based on standard box

The embodiment of the invention provides a goods distribution package generation method and system based on a standard box. The goods distribution package generation method based on a standard box includes the steps: according to the historical order data of a store, determining the order characteristic information; according to the characteristic information, generating at least one goods demand set for the store, and according to the goods demand set, matching goods distribution dealers; and finally according to the order characteristic information, the box body size of a standard box and the characteristic size of each single product, determining the number and placing mode of each single product in the goods demand set in a standard box so as to determine a goods distribution package based on the standard box, and then sending the goods distribution package to a dealer terminal. The technical scheme provided by the goods distribution package generation method and system based on a standard box can determine the order demand of the store for various goods according to the historical order data of the store, and can carry out unified goods distribution for various goods in a mode of goods distribution package according to the order demand, thus avoiding the problem that a current dealer goods distribution system carries out frequent and scattered goods distribution according to the scattered order demand of the store, and improving the goods distribution efficiency of the dealer.
Owner:北京惠赢天下网络技术有限公司

Method for inserting advertisements in live video of digital television

The invention relates to a method for inserting advertisements in a live video of a digital television. An operation server obtains a plurality of composing elements in any frame of an image of the live video, sets a plurality of advertisement labels for the any frame of the image, associates the advertisement labels with advertisement files, and simultaneously monitors frequencies of occurrence of the advertisement labels. By reasonably setting an advertisement playing threshold A, while a user watches the video, the advertisements having relatively large association with the video are guaranteed to be played; furthermore, the problem of the frequent advertisements due to a fact that the frequencies of occurrence of the advertisement labels are relatively large is avoided and the aversion of the user to the advertisements because the advertisements occur frequently is reduced; and meanwhile, according to the frequencies of occurrence of the advertisements, flexible adjustment is performed on the A, thereby preventing the same advertisement from occurring for many times; and the different advertisement labels are individually recorded, and are played once when a certain threshold is reached, and an advertisement playing sequence can be scattered, so the problems that many advertisements need to be played at a same time slot and are arranged difficultly are solved.
Owner:ZHONGGUANG REDIANYUN TECH CO LTD

Cutting machine

InactiveCN101585163AAvoid frequent and unevenFor precise cuttingGrinding machinesElectric machinerySprocket
The invention provides a cutter, which includes a frame, a workstation equipped thereon, a fixed panel equipped on the back side, a material clamping base equipped on the workstation; a upper and a lower support connected in a pivoted connection, wherein, the lower support is fixed above the workstation; the upper panel is connected above the support saddle; a upper panel connected to the upper support, a variable-depth adjustment mechanism, a cutting device, a feeding mechanism and a controlling mechanism. During processing, the material rod is installed on the material clamping base foot firstly, and is hanged with heavy in the slideway, one end of the material rod is installed in the clamping foot. Abrasion wheel pieces are installed according to standards and nuts are fastened. The cutting electric motor is started to drive the abrasion wheel pieces to rotate, and then the main electric motor is started for cutting. The main electric motor drives the speed-changing box, and then the speed-changing box drives the driving shaft to rotate by the sprocket chain. When the abrasion wheel piece cuts and returns, the movable clamping foot looses and the material rod protrudes, and then the movable clamping foot clamps again for cutting.
Owner:PINGHU HAITE ALLOY

Man-machine interaction method and electronic device

The invention provides a man-machine interaction method and an electronic device, and relates to the field of artificial intelligence, in particular to the field of natural language processing. The method comprises the steps that the electronic device obtains a first sentence input by a user; the electronic device analyzes the first sentence to obtain first information, wherein the first information is used for illustrating user intention, the first information corresponds to one or more pieces of second information, and the second information is used for realizing the user intention; when atleast one piece of the second information is lost, the electronic device looks for the lost second information in the content remembered by a man-machine interaction application; the electronic deviceexecutes operation associated with the user intention according to the first information and the second information. The man-machine interaction method in the embodiment helps improve the man-machineinteraction efficiency.
Owner:HUAWEI TECH CO LTD

Advanced video conferencing systems and methods

The present disclosure generally provides for advanced single camera video conferencing systems, and methods related thereto. The advanced single camera video conferencing system features a hybrid optical / digital camera, herein a camera device, having a controller that is configured to execute one or more of the methods set forth herein. In one embodiment, a method includes optically framing, a first portion of a video conferencing environment to provide an actual field-of-view, digitally framing a second portion of the video conferencing environment to provide an apparent field-of-view that is encompassed within the actual field-of-view, generating a video stream of the apparent field-of-view, surveying the actual field-of-view to generate survey data, and detecting changes in the survey data over time. The method may be performed using a single camera device using a single image sensor.
Owner:LOGITECH EURO SA

Stem cell expansion culture system and stem cell expansion culture method

The present invention provides a stem cell expansion culture system and a stem cell expansion culture method. The stem cell expansion culture system comprises a cell culture box, a cell printing headand a cell culture unit driving device; the cell culture box is used for accommodating cell culture units; the cell printing head is used for printing a biological material containing stem cells to the cell culture units; and the cell culture unit driving device at least is used for grasping the cell culture units from the cell culture box and / or putting the cell culture units into the cell culture box. The cell printing head cooperates with the cell culture unit driving device to print the biological material containing the stem cells onto the cell culture units, so that the stem cells can grow in a three-dimensional external environment and thus have sufficient growth space, and the stem cell expansion culture system can better preserve various differentiation potentials of the stem cells, can also reduce frequency of cell passage operations, reduces risks of contamination, and achieves high-quality and high-efficiency stem cell culture.
Owner:MEDPRIN REGENERATIVE MEDICAL TECH

Constant weight measuring system, constant weight measuring device and measuring method

The invention discloses a constant weight measuring system, a constant weight measuring device and a measuring method. The constant weight measuring device comprises: a first processing structure, wherein the first processing structure is used for removing volatile substances of a sample, and the first processing structure is provided with a first placing part for placing a container; a second processing structure which comprises a weighing element and a temperature adjusting assembly, wherein the weighing element is provided with a second placing part for placing the container, and the temperature adjusting assembly is used for heating a sample placed in the container on the second placing part; and a transferring mechanism which is used for transferring the container between the first placing part and the second placing part. The constant weight measuring device and the measuring method are high in measuring precision; and in this way, the constant weight measuring system comprisingthe constant weight measuring device is high in measuring precision.
Owner:LABSTONE INSTR TECH +1

Face recognition access control day and night state switching method, system and equipment and storage medium

The invention relates to a face recognition access control day and night state switching method, system and equipment and a storage medium, and belongs to the technical field of face recognition. The method comprises the steps of judging whether current environment brightness is stable or not according to an environment stability coefficient; acquiring a current day and night mode under the condition that the current ambient brightness is stable; under the condition that the daytime mode is obtained, if the ambient brightness value is smaller than a preset first ambient brightness threshold value, switching from the daytime mode to a night mode; and under the condition that the night mode is obtained, if the ambient brightness value is greater than a second ambient brightness threshold value, switching from the night mode to the daytime mode. According to the embodiment of the invention, the accuracy and stability of the day and night state switching mode can be improved, and meanwhile, the economic cost is reduced.
Owner:HANGZHOU MOREDIAN TECH CO LTD

Method for establishing freshwater lake ecosystem

The invention discloses a method for establishing a freshwater lake ecosystem, and belongs to the technical field of freshwater environmental pollution control. The method for establishing the freshwater lake ecosystem comprises the following steps of water quality improvement, water level maintenance, land-water interface treatment, bottom mud improvement, food network chain establishment, waterquality monitoring and the like, and an algae inhibitor throwing device is also arranged. Conditions for restoring the water ecosystem are established through combination of physics, chemistry and biology, and nitrogen and phosphorus pollutants in water are effectively degraded and absorbed by match of warm and cold plants, so that pollution load of a water body can be effectively reduced, the water body is purified, and the water ecosystem is stabilized. Aquatic plants and aquatic animals are thrown to construct a reasonable food network chain, and a plurality of aquatic plants and aquatic animals can exert a synergistic effect, so that the effect is more obvious compared with the effect of singly planting aquatic plants or singly throwing aquatic animals, transparency of the water body is improved, nutrient salts are reduced, and construction and restore of the water body ecosystem are facilitated.
Owner:HUNAN UNIV OF ARTS & SCI

Advanced video conferencing systems and methods

The present disclosure generally provides for advanced single camera video conferencing systems, and methods related thereto. The advanced single camera video conferencing system features a hybrid optical / digital camera, herein a camera device, having a controller that is configured to execute one or more of the methods set forth herein. In one embodiment, a method includes optically framing, a first portion of a video conferencing environment to provide an actual field-of-view, digitally framing a second portion of the video conferencing environment to provide an apparent field-of-view that is encompassed within the actual field-of-view, generating a video stream of the apparent field-of-view, surveying the actual field-of-view to generate survey data, and detecting changes in the survey data over time. The method may be performed using a single camera device using a single image sensor.
Owner:LOGITECH EURO SA

Page display method and device of mobile client, equipment and storage medium

The invention discloses a page display method, device and equipment for a mobile client and a storage medium, and the method comprises the steps: when a target client is detected to be in a login state and a current foreground operation state is not awakened from a background to a foreground, according to a first user login role matched with a current login user, starting a first user login role matched with the current login user; obtaining a first user permission corresponding to each function control of the first target page; according to the first user permissions, a control layout matched with the first target page is updated, and the first target page is rendered and displayed according to the updated control layout. According to the technical scheme of the embodiment, the user permission corresponding to the login user is determined by configuring the user login role, and then the exclusive client page is displayed to the login user according to the user permission, so that real-time updating of the client page can be realized, differentiated display of the client page can be realized, and the user experience is improved. The differentiated display effect of the client page can be improved.
Owner:SUZHOU DAJIAYING INFORMATION TECH CO LTD +1

A method for digital television live broadcast video interstitial advertisement

The invention relates to a method for inserting advertisements in a live video of a digital television. An operation server obtains a plurality of composing elements in any frame of an image of the live video, sets a plurality of advertisement labels for the any frame of the image, associates the advertisement labels with advertisement files, and simultaneously monitors frequencies of occurrence of the advertisement labels. By reasonably setting an advertisement playing threshold A, while a user watches the video, the advertisements having relatively large association with the video are guaranteed to be played; furthermore, the problem of the frequent advertisements due to a fact that the frequencies of occurrence of the advertisement labels are relatively large is avoided and the aversion of the user to the advertisements because the advertisements occur frequently is reduced; and meanwhile, according to the frequencies of occurrence of the advertisements, flexible adjustment is performed on the A, thereby preventing the same advertisement from occurring for many times; and the different advertisement labels are individually recorded, and are played once when a certain threshold is reached, and an advertisement playing sequence can be scattered, so the problems that many advertisements need to be played at a same time slot and are arranged difficultly are solved.
Owner:ZHONGGUANG REDIANYUN TECH CO LTD

Conductor paste and preparation method thereof

The invention discloses conductor paste and a preparation method thereof. The conductor paste is prepared from the following raw materials in a concentration range: 70%-90% of silver, 1%-10% of terpineol, 1%-10% of ethyl cellulose, 1%-10% of a flame-retardant material, 0.1%-1% of copper oxide and 0.1%-1% of an active agent. While the silver content is reduced, the performance of the conductor slurry can be ensured not to be lost; the problem of tin beads can be effectively reduced, frequent generation of the tin beads is avoided, the thick film substrate is more durable, and the overall performance is improved; and the problem of electric conduction caused by increase of tin beads is avoided.
Owner:JIANGSU YUNYI ELECTRIC

Convenient-to-use positioning device for cushion quilt and bed sheet

The invention discloses a convenient-to-use positioning device for a cushion quilt and a bed sheet. The Simmons mattress comprises a Simmons mattress body, wherein the cushion quilt and the bed sheetare laid at a top end of the Simmons mattress body, positioning devices are connected to four corners of the cushion quilt and four corners of the bed sheet respectively, each positioning device comprises an L-shaped bottom plate placed at a bottom end of the Simmons mattress body, an L-shaped fixing plate is fixedly installed on a top wall of each L-shaped bottom plate. Four corners of the cushion quilt and the four corners of the bed sheet are each connected with the corresponding positioning device, firstly, the L-shaped base plate is fixedly connected to the Simmons mattress, then the corners of the mattress quilt and the bed sheet are clamped and fixed by virtue of the L-shaped pressing plates and the L-shaped base plates, so the mattress quilt and the bed sheet can be conveniently and fixedly connected to the Simmons mattress, therefore, the quilt and the bed sheet can be prevented from moving towards the tail of the bed or the two sides of the bed when a person lies on the bed,the using comfort of the quilt and the bed sheet is improved, the cushion quilt and the bed sheet can be prevented from being frequently and integrally cushioned, design is reasonable, and the practical effect is good.
Owner:欧阳娜

Parallel message processing method, system and related device

The invention provides a parallel message processing method, which comprises the following steps that: when a first arithmetic unit completes the calculation of parameter units, sending a reduction operation request to a main controller, so as to enable the main controller to globally broadcast the parameter units corresponding to the reduction operation request to all arithmetic units, and enabling each arithmetic unit to cache the parameter units; after the second arithmetic unit completes calculation of the parameter units to obtain reduction data, enabling the second arithmetic unit to compare the reduction data with the parameter units in the cache of the second arithmetic unit to generate bit vector information corresponding to the second arithmetic unit; when new bit vector information is generated each time, carrying out bit AND operation on the bit vector information corresponding to each arithmetic unit; and executing reduction operation according to the bit and the operationresult. According to the application, the defect that the arithmetic unit frequently communicates and interacts with the main controller is avoided, the communication pressure on the main controlleris obviously reduced, and the bandwidth is fully utilized. The invention further provides a parallel message processing method and system, a computer readable storage medium and deep learning equipment, which have the above beneficial effects.
Owner:GUANGDONG INSPUR BIG DATA RES CO LTD

A Wired Communication Method Supporting Multiple Users

The invention discloses a wired communication method supporting multiple users. All users in each group of subnets are grouped. After grouping, all users in each group obtain a frequency band including the frequency points used by the group, priority, and maximum The channel competition configuration of contention window, maximum backoff window, and upper and lower limits of the time slots that can be accessed; the central node determines the channel competition configuration of the group according to the number of users in different groups and the success rate of transmission under the group, and uses the The success rate of PRS contention in a group determines the channel contention configuration of the group. The invention overcomes the situation that the speed of the existing power carrier equipment drops significantly when a large number of users exist, and designs a user access mechanism that can support a large number of users to access the power carrier device at the same time.
Owner:磐基技术有限公司

Ceramic substrate feeding mechanism

The invention discloses a ceramic substrate feeding mechanism comprising a base, an upper jig unit, a jig transfer unit, feeding bins, an ejection unit and a lower jig unit. The upper jig unit comprises a jig bin, a jig conveyor belt ad a jig conveying drive source. The jig transfer unit comprises a transfer plate. A jig transfer drive source and a horizontal jig transfer belt are arranged on thetransfer plate. A jig transfer head is arranged on the jig transfer belt. The feeding bins are arranged on the base. The ejection unit comprises lifting drive sources, a telescopic drive source and atelescopic plug. The telescopic plug is arranged at the free end of the telescopic drive source. The lower jig unit comprises non-return assemblies, stop pieces, a retreating drive source and a retreating fork. Each non-return assembly is arranged on the corresponding feeding bin. Each stop piece is arranged in the corresponding feeding bin in a sliding manner. The retreating fork is arranged at the free end of the retreating drive source. The sintering machine material distribution control system is high in automation degree, stable and reliable in operation and simple in structure, saves manpower and material resources and is low in cost.
Owner:苏州鸣动智能设备有限公司

Wired communication method supporting multiple users

The invention discloses a wired communication method supporting multiple users, which comprises the following steps of: grouping all users in each group of subnets, and obtaining a channel competitionconfiguration comprising a frequency point frequency band, a priority level, a maximum competition window, a maximum back-off window and upper and lower limits of an accessible time slot by all the users in each group after grouping; enabling the central node to determine the channel competition configuration of the group according to the number of users in different groups and the success rate of transmission in the group, and determining the channel competition configuration of the group by using the success rate of PRS competition in the group. The invention overcomes the defect that the rate of the existing power line carrier equipment is obviously reduced in the presence of a large number of users, and designs a user access mechanism capable of supporting the simultaneous access of alarge number of users to the power line carrier equipment.
Owner:磐基技术有限公司

Data transmission method, device, equipment and power utilization system

The invention relates to the technical field of data transmission, in particular to a data transmission method, device and equipment and a power utilization system.The method comprises the steps that when a controller is in a screensaver state, data are not sent in a unified mode any more, but a data sending node of a first function module is determined according to a preset sending period; and determining a node in the second function module when the data is updated as a data sending node of the second function module so as to complete data sending according to the data sending node. A user can set the first function module and the second function module according to the importance degree of the modules, and data in the second function module is sent only when being updated, so that the data of all the function modules are prevented from being frequently sent in a bus, the power consumption of the controller is reduced, and the communication pressure of the bus is relieved.
Owner:GREE ELECTRIC APPLIANCES INC

Hydropower station gate gliding lifting and alarming method

PendingCN113777992APrevent misoperationAvoid abnormal opening of the gateProgramme controlBarrages/weirsPower stationControl system
The invention relates to a hydropower station gate gliding lifting and alarming method, which comprises the following steps of: introducing a 'gate glide lifting enabling flag bit' into a gate control system through three gate opening alarm action value variables of KD_ALARM1, KD_ALARM2 and KD_ALARM3, three gate opening alarm reset value variables of KD_Reset1, KD_Reset2 and KD_Reset3, and four timer time variables of T_Value1, T_Value2, T_Value3 and T_Value4; determining the setting and resetting of a 'gate gliding to an automatic lifting position mark', a 'gate gliding to an alarm position mark' and a 'gate gliding to an accident position mark', and starting a gliding lifting monitoring function after the gate is normally opened to a full-open position; forbidding the gliding lifting monitoring function under the working conditions that the gate is cut off, overhauled and debugged, the gate is fully closed or temporarily opened to a certain middle position and a power station normally commands to close the gate, so that the risks of abnormal gate opening, abnormal alarm of a centralized control system and misoperation of other related equipment caused by the flag bit are avoided.
Owner:CHINA YANGTZE POWER

Lowering device for pile foundation reinforcement cage

The invention provides a lowering device for a pile foundation reinforcement cage. The lowering device comprises an inner cylinder, an outer cylinder, a limiting plate, a limiting column and a rope; the outer cylinder is slidably arranged on the outer wall of the inner cylinder in a sleeving mode, the limiting plate limits the outer cylinder, and the limiting column is used for controlling movement of the limiting plate; the rope is connected to the top end of the limiting column and used for driving the limiting column to rotate. The limiting plate is extruded through the limiting column, one end of the limiting plate extends out of the inserting opening, the outer cylinder is locked on the outer side wall of the inner barrel, then the position of the annular space is locked, a steel bar head at the lower end of a steel bar column is inserted into the annular space, and the steel bar column and the outer cylinder are bound and fixed through a binding wire. And in the lowering process, the steel bar head is hidden, so that the steel bar head is prevented from frequently colliding with the inner wall of the pile foundation hole, the effect of protecting the inner wall of the pile foundation hole is achieved, and the lowering difficulty of the steel bar cage is reduced. The limiting plate retracts into the inner cylinder, and locking of the limiting plate on the inner cylinder is relieved; and the inner cylinder can be taken out through the rope, so that the inner cylinder is recycled.
Owner:HUANENG YANGPU THERMAL POWER CO LTD

A multi-channel telegraph keying signal transmission processing method and system

The invention discloses a transmission processing method for multipath telegraph keying signals and belongs to the technical field of telegraph. The method includes the following steps: a keying signal acquisition device regularly acquires the key state of each path of telegraph keying device according to a preset acquisition frequency and packages the key states which are then sent to a communication device in the form of a first data packet; the communication device receives, caches and packages the first data packet and forwards the first data packet to a computer in the form of a second data packet through a communication network; and the computer receives and parses the second data packet so that the first data packet is obtained and then each path of key state is parsed according to the first data packet and each path of key state is saved or / and displayed according a line numbers. The invention also provides a transmission processing system for the multipath telegraph keying signals. In the method and system, one path of signals are stored through adoption of bit so that the storage space is saved and the communication capability of the communication device is improved; and through a method of caching and then sending a specific number of data packets through the communication device, a problem of time matching with a computer is solved.
Owner:KUNMING UNIV OF SCI & TECH

Method and system for managing communications in a wireless communication network

The present invention relates to a method for managing communications in a wireless communications network having a mesh or “relay-based” communication mode operating according to a relay scheme. The network includes network devices defining transmission links between them. The method includes initially detecting a mobile obstacle within the network coverage area; dynamically tracking the detected obstacle by iteratively determining a monitoring area including the detected obstacle; selecting, from the transmission links, a subset of monitoring links belonging at least partly to the monitoring area and monitoring a perturbation level of the selected monitoring links to determine movement of the mobile obstacle in the coverage area; and dynamically adapting the relay scheme of the network based on the belonging or not belonging of the transmission links between network devices to the selected subset.
Owner:CANON KK

Stem cell expansion culture system and stem cell expansion culture method

Provided are a stem cell expansion culture system and a stem cell expansion culture method. The stem cell expansion culture system includes: a cell culture box, which is used for accommodating a cell culture unit; a cell printing head, which is used for printing biological materials containing stem cells to the cell culture unit; a cell culture unit driving device, a cell culture unit The unit drive device is used at least for grabbing the cell culture unit from the cell culture cassette and / or for placing the cell culture unit in the cell culture cassette. The cell printing head and the cell culture unit driving device cooperate with each other to print the biological material containing stem cells on the cell culture unit, so that the stem cells can grow in a three-dimensional external environment, so that there is enough growth space, which can not only increase the number of stem cells. The differentiation potential is well preserved, and the frequency of cell passaging operations can be reduced, the risk of contamination can be reduced, and high-quality and high-efficiency stem cell culture can be achieved.
Owner:MEDPRIN REGENERATIVE MEDICAL TECH
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