57results about How to "Improve interconnectivity" patented technology

The present invention relates to a method of preparing a porous polymer scaffold for tissue engineering using a gel spinning molding technique. The method of the present invention can prepare a porous polymer scaffold having a uniform pore size, high interconnectivity between pores and mechanical strength, as well as high cell seeding and proliferation efficiencies, which can be effectively used in tissue engineering applications. Further, the method of the present invention can easily mold a porous polymer scaffold in various types such as a tube type favorable for regeneration of blood vessels, esophagus, nerves and the like, as well as a sheet type favorable for regeneration of skins, muscles and the like, by regulating the shape and size of a template shaft.

An indirect solid free form scaffold manufacturing technique is provided. More particularly, the present invention provides a set of molds, casting methods, mold removals, and surface modification techniques that are compatible with image-based design methods and with solvent, melt, and slurry casting of polymers and ceramics.

This invention relates to a mullite-aluminum titanate body having a low coefficient of thermal expansion of less than 15×10−7 C−1, a high porosity of at least 38% by volume, a median pore diameter of at least 8 microns, and a narrow pore size distribution as characterized by the relation (d50-d10) / d50 being less than 0.50 corresponding to a high degree of interconnected porosity. The inventive ceramic body also contains at least 0.10% by weight metal oxide, the metal being either yttrium, calcium, bismuth, a lanthanide metal or combinations of thereof. The inventive ceramic body is particularly useful as a wall-flow filter for diesel exhaust. A method of fabrication is provided where the sintering temperature is between 1375°-1550° C.

Disclosed herein are a tube-type porous scaffold having a double-layered structure for use as an artificial vascular graft and a preparation method thereof. The method comprises (1) dissolving a biodegradable polymer in an organic solvent and mixing the polymer with a porogen so as to provide a polymer / porogen mixture; (2) coating a cylindrical shaft with the polymer / porogen mixture so as to form an inner porous coating layer; (3) preparing a biodegradable polymer gel by dissolving a biodegradable polymer in an organic solvent; (4) spinning down the biodegradable polymer gel in a non-solvent coagulation bath in which the cylindrical shaft having the inner porous coating layer, obtained at step (2), is immersed and rotated to form gel-phase fibers and allowing the gel-phase fibers to wind around the inner porous coating layer of the rotating shaft so as to form an outer polymer fibrous layer; and (5) separating the double-layered porous scaffold, formed on the shaft, from the shaft and removing the organic solvent and the porogen from the scaffold. Since the porous scaffold has a double-layered structure consisting of an inner porous coating layer containing micropores and a gel-phase outer polymer fibrous layer, it has high pore interconnectivity and mechanical strength, which effectively prevents the leakage of blood, and has high cell seeding and proliferation efficiencies, thereby being useful as a tissue-engineered artificial vascular graft.

In one embodiment the present invention provides for a method of forming HTC dendritic fillers 40 within a host resin matrix that comprises adding HTC seeds 42 to the host resin matrix. The HTC seeds have been surface functionalized to not substantially react with one another. The seeds then accumulate HTC building blocks 42, and the HTC building blocks have also been surface functionalized to not substantially react with one another. Then assembling the HTC building blocks with the HTC seeds to produce HTC dendritic fillers 40 within the host resin matrix.

The invention discloses an interconnection structure and a method for configuring path between the optical networks. The optical network includes a first network and a second network, the first network and the second network each has a number of nodes, a first node of the first network connects with a third node of the second network, a second node of the first network connects with a fourth node of the second network. The method comprises the steps of: setting-up a first path between one of the first node and the second node and another node of the first network; and at least by one link of the link between the first node and the third node and that between the second node and the fourth node, and by the first path, said another node of the first network communicates for path with another node of the second network. By the dual-node interconnection structure and the path configuration shceme of this invention between a ring network and a mesh network, and between mesh networks, the respective advantages of the ring network and the mesh metwork in regard to protection and restoration can be combined effectively, and the existing internetworking schemes between the rings are also compatible.

The present invention relates to a flexible photoelectrode and a manufacturing method thereof, and a dye-sensitized solar cell using the same. More particularly, the present invention relates to a flexible photoelectrode capable of forming a semiconductor electrode with excellent photoelectric conversion efficiency on a plastic substrate at low temperatures in a simple and stable manner, in which it is prepared by forming a nanocrystalline metal oxide layer calcined at high temperature on a high temperature resistant substrate, and transferring it to a flexible transparent substrate by a transfer method using an HF solution, and a flexible dye-sensitized solar cell comprising the same.

A process for producing a collagen / hydroxyapatite (HA) composite scaffold comprises the steps of forming a homogenous suspension of collagen and HA in an acidic solution, lyophilising the suspension until a desired final freezing temperature is reached to produce the composite scaffold, and optionally cross-linking the composite scaffold, wherein the ratio of HA to collagen is at least 1:10 (w / w). Also provided is a collagen / hydroxyapatite (HA) composite scaffold comprising a homogenous distribution of hydroxyapatite within a porous, crosslinked, collagen matrix, wherein the ratio of HA to collagen is at least 1:10 (w / w). Suitably, the composite scaffold has a porosity of at least 99% (v / v), and a compressive stiffness of at least 0.3 KPa. Composite scaffolds of the invention may be used to provide osteoconductive bone implants and tissue engineering implants.

Porous ceramic articles such as ceramic filters are provided from ceramic extrusion batches comprising mixtures of oxides and oxide precursors with a reactive binder system, the binder system comprising a cellulosic temporary binder and two or more reactive binder components such as colloidal alumina, carbohydrate pore formers, reactive high charge density polymers, and chemical cross-linkers, the reactive binder system promoting cross-linking or networking reactions in the batch that enhance the fine pore structures of the porous ceramic products.

The invention discloses a design method for a PAC controller based on intelligent control algorithms. On the basis of a conventional PAC controller, the invention can improve the control accuracy and control response, and meet higher control requirements by using intelligent control algorithms such as an improved PID control algorithm, a variable universe fuzzy PID control algorithm, a PID control algorithm based on a neural network. In an aspect of network communication, the Ethernet, CAN bus and other means of communication are added on the basis of conventional serial ports 232 and 485, and Modbus-RTU, Modbus-TCP, CANopen, custom protocols and so forth are used for achieving network interconnection. An integral windup prevention algorithm, an algorithm for differentiation of control variables, a differential forward algorithm and the like are added on the basis of a conventional PID, the PID effect can be significantly improved, the response speed is increased, and the control overshoot is reduced.

Provided are a method of producing a porous chitosan scaffold, the method including: providing an aqueous acidic solution having chitosan and a solvent which does not dissolve the chitosan; and freeze-drying the aqueous acidic solution, wherein the solvent is selected from the group consisting of a C3-C8 aliphatic alcohol having one hydroxy group, ethylene glycol monoethylether, ethylene glycol monobutylether, dioxane, tetrahydrofuran, dimethylcarbonate, acetone and acetonitrile, and a chitosan scaffold produced using the method.

The invention discloses a framing and interconnection transmitting method in an electricity utilization information collecting system. The framing and interconnection transmitting method in the electricity utilization information collecting system comprises the following steps: setting the length of a single frame after framing according a transmitting mechanism, and expressing that the frame is a complete frame or a subsequent frame by 'frame tagging bits'; and reading descending data of electricity quantity, electric energy meter information and the like in an intelligent electric energy meter into a buffer region of a collector, judging the completeness of a data frame by control codes, and assembling the data frame in the collector. The electric energy meters manufactured by different meter manufacturers have different framing lengths, but the integrity of the data frame can be determined only according to the tagging bits, and the frame losing and frame assembling errors can be prevented, so that the collector can be suitable for the electric energy meters of all manufacturers, and the interconnection and communication properties with the electric energy meters are improved. By adopting the framing interconnection transmitting method in the electricity utilization information collecting system, a low-voltage electricity utilization information collecting system is introduced for the framing transmitting method, so that the ascending data constant-length framing transmission of the collector is realized, and the transmission velocity and the link utilization ratio are improved.

The invention discloses a transmission protocol compliance detection device, system and method. Parsing on various current general protocols is implemented, and a private protocol is subjected to identification detection by the flow of feature extraction, feature loading and feature string matching; a detection result can be subjected to showing, statistics and report export by a uniform interface; a user interface is provided, and the transmission protocol compliance detection device, system and method have functions of defining a new protocol, starting or stopping detection, uploading a file, showing the detection result, exporting the detection result and the like; receiving on a user command and a configuration from Web is implemented; when a detection command is executed, the new protocol is detected according to a defined new standard; and newly added protocol features can be directly subjected to dynamic defining and loading, so that the protocol identification expansion abilityis greatly improved, fine management control on the standard compliance test flow and scientific and fair evaluation on a compliance analysis result are implemented, standardized management of construction of the information communication field is effectively supported and propelled, and the interconnection ability between a network system and equipment is promoted.

The method includes following steps: in the H.323 protocol, the login address of private network adopts the express form that is IP address+port, the proxy server distributes monitoring port to different terminal login, uses the method that is same IP address +different port to indicates different terminal, that makes the different private network terminal to send out different login address through one H.323 proxy server, so different type net keeper can correctly logs in.

A wear resistant, high chromium white iron, in an unheat-treated condition has a microstructure substantially comprising austenite and M7C3 carbides. The white iron contains at least one martensite promoter and at least one austenite stabiliser which are present at respective levels to achieve a balance between their effects whereby the white iron has a microstructure characterised by at least one of:i) being substantially free of martensite at interfaces between the austenite and M7C3 carbides; andii) having a relatively low level of interconnectivity between carbide particles;such that the white iron is substantially crack-free. The white iron may be as-cast or comprise weld deposited hardfacing.

The invention provides a registration management device performing registration management on a plurality of terminals which are connected to the M2M platform. The registration management device comprises an interface processing module, a business management module, a registration management module and a data processing module. The interface processing module performs standardized processing of data formats on the data request received from the terminals; the business management module extracts the business types in the data requests from the data request which are performed by the standardized processing, determines whether the business type can get support from the M2M platform, and transmits the data request to the registration management module when the business type can get the support from the M2M platform; the registration management module parses out terminal types of the terminals according to the data request transmitted from the business management module and performs management on the registration of the terminal on the M2M platform according to the terminal types; and the data processing module performs the data processing corresponding to the data request according to the terminal type parsed out by the registration management module. The invention can automatically screen out business types and perform self-management on the terminal registration.

The invention discloses a novel service-oriented aviation self-organized cooperative network framework. The novel service-oriented aviation self-organized cooperative network framework comprises a task domain, a service domain, a technical domain and a resource pool, wherein the task domain is used for taking charge of receiving data sent by a data chain system to construct task domain needs with characterization, the service domain is used for taking charge of decomposing the task domain into service domain needs without difference; the technical domain is used for taking charge of providing a software waveform technical module as supporting service according to service domain needs; the resource pool is used for defining a radio technology through software to construct universal hardware platform to complete launching data. The novel service-oriented aviation self-organized cooperative network framework supports reconfigurability of the aviation self-organized cooperative network framework, realizes fusion of a multi-data chain system, and improves interconnection and interworking capacity of the cooperative network.

The invention discloses an electric vehicle orderly charging method and system based on a transformer area intelligent fusion terminal, and belongs to the technical field of electric vehicle charging and discharging. The method comprises the following steps: acquiring basic information of a transformer area charging pile, determining a daily load prediction result of the transformer area charging pile according to the basic information, and inputting the daily load prediction result and electricity price information into a transformer area intelligent fusion terminal; according to the SOC information of the newly-connected electric vehicle battery, the daily load prediction result, the load information updated in real time and the user demand information, judging whether the charging pile in the transformer area can meet the charging demand or not; and determining a charging scheme, wherein the newly-established charging scheme is used for charging the newly-accessed electric vehicle. According to the invention, the real-time performance and interconnection and intercommunity of data information of the charging facility can be effectively improved, and the compatibility of the power distribution automation terminal and the electric vehicle charging facility is improved, so that the collected data is enough to support the electric vehicle charging facility to participate in interaction.

The invention discloses an adaptive management implementation method and system based on a data model in the medical industry, belongs to the technical field of data management in the medical industry, and aims to solve the technical problem of how to form a set of standard data set in the industry and unifying and standardizing data sets among medical industries according to the condition that the data structure of each medical institution is complex. According to the technical scheme, a medical institution serves as an entry point, a meta-model serves as a unique standard in the industry, aphysical table and attributes of the medical institution are matched through the meta-model and mapped with various different field types in the medical institution, and a set of intra-industry standard connection configuration database is formed externally, so that unified specification of data sets among medical industries is achieved. The system comprises a database configuration connection module, a standard model realization layering and domain division management module, a meta-model establishment module, a model mapping module, a model mapping weight setting module, a target metadata module and a data quality alarm and statistics module.

The invention discloses a gas sampling enrichment device based on nano-fibers, comprising a gas sampling device (1) and a gas enrichment device (2) and characterized in that the gas enrichment device (2) is in control communication with the gas sampling device (1), and the nano-fibers (21) in which gas components are enriched are arranged in the gas enrichment device (2). The device can accurately fix the collection quantity of gas to enable a detection result to be more reliable, can reduce the collection quantity of the gas, in particular gas with less content, can save the time, the labor and the cost and does not need any power system.

A bone defect filler for implantation in a bone defect of a patient includes a particulate polymer distributed within a polymeric binder. The particulate polymer includes a plurality of particles, which may have substantially the same material composition as the polymeric binder. The particles of the particulate polymer may be formed in a variety of shapes and / or sizes to provide the bone defect filler with improved pore interconnectivity, material expansion and contamination characteristics, while maintaining sufficient mechanical strength and handling characteristics for bone repair applications. The bone defect filler also provides the flexibility to be molded or shaped in situ to fill the bone defect.

The invention discloses a method for realizing axis information configuration of a motion controller based on OPC-UA. The method comprises the following steps: module definition: defining input data processed by module functions as input parameters of a module and defining output data processed by the module functions as output parameters; process processing: detecting the legality of each of theinput parameters, returning an error status if the input parameter is wrong, ending modular configuration, starting to perform encapsulation processing on the module functions if the input data is legal, conveying the function module after the completion of encapsulation processing to an embedded platform for data loading and outputting module configuration completion results. The axis informationmodular configuration method has the benefits that a modular structure and the unified design architecture are adopted, and the module functions are correlated by using the input parameters and the output parameters; the functions of the required OPC-UA can be tailored according to the application demands, so that the execution efficiency is improved, and the application program customization requirements are met.

The invention relates to the technical field of computers, in particular to a project hierarchical structure based on an android system. the structure solves problems of low reuse degree of codes, resource files and business logic in large and medium-sized projects, and difficult separation of complex business, UI and tool classes. The structure makes architecture hierarchy of android large and medium-sized projects clear, and shields version differentiation in a development of large and medium-sized android projects. Android large and medium-sized project business logic is separated from theUI. A plurality of sets of codes of the large and medium-sized android projects are combined into one set. The code reuse degree is improved, and module coupling degree is reduced. Maintenance cost isreduced and development efficiency is improved.

The invention discloses a customized service path planning configuration system based on an AGV station. The system comprises a system control terminal, a WMS system, an AGV scheduling system and an AGV. Through the system control terminal, the WMS system, the AGV scheduling system and the automation equipment are in communication connection with the path planning system, and the automation equipment transmits signals to the path planning system, so that the path planning system obtains the position corresponding to the automation equipment, then the path planning system calls the WMS system to calculate the destination position according to the position request of the automation equipment and feeds back the destination result to the path planning system, and thus the path planning systemmatches the corresponding path according to the starting point and the destination position, and the effect of planning the service scene path is achieved. The AGV interconnection and intercommunication capability is improved through the path planning and configuration system, the AGV interconnection and intercommunication efficiency is higher, and potential safety hazards are reduced through interconnection and intercommunication between the AGV and various kinds of automatic equipment.

The invention relates to a gateway data processing method and device, equipment and a storage medium. The method comprises the steps that a data access request is received, and the data access request comprises a target URL address; when it is determined that the target URL address is not the URL address corresponding to the API gateway, extracting a root directory to be requested in the target URL address; determining coding information of a target API gateway corresponding to the target URL address from a routing table of the API gateway based on the root directory; and forwarding the data access request to the target API gateway according to the coding information. Thus, under the condition that a user does not perceive, collaborative linkage of different API gateways is achieved, the interconnection and interworking capacity of the different API gateways is improved, and the sharing efficiency of government affair services is improved. Moreover, the data access request can be automatically routed to the target API gateway without specifying coding information of the target API gateway in the data access request by the user, so that the flexibility of API gateway access is improved.