1081 results about "Structure and function" patented technology

Knee prostheses featuring components that more faithfully replicate the structure and function of the human knee joint in order to provide, among other benefits: greater flexion of the knee in a more natural way by promoting or at least accommodating internal tibial rotation in a controlled way, replication of the natural screw home mechanism, and controlled articulation of the tibia and femur respective to each other in a more natural way. In a preferred embodiment, such prostheses include an insert component disposed between a femoral component and a tibial component, the insert component preferably featuring among other things a reversely contoured postereolateral bearing surface that helps impart internal rotation to the tibia as the knee flexes. Other surfaces can also be specially shaped to achieve similar results, preferably using iterative automated techniques that allow testing and iterative design taking into account a manageable set of major forces acting on the knee during normal functioning, together with information that is known about natural knee joint kinetics and kinematics.

Knee prostheses featuring components that more faithfully replicate the structure and function of the human knee joint in order to provide, among other benefits: greater flexion of the knee in a more natural way by promoting or at least accommodating internal tibial rotation in a controlled way, replication of the natural screw home mechanism, and controlled articulation of the tibia and femur respective to each other in a more natural way. In a preferred embodiment, such prostheses include an insert component disposed between a femoral component and a tibial component, the insert component preferably featuring among other things a reversely contoured posterolateral bearing surface that helps impart internal rotation to the tibia as the knee flexes. Other surfaces can also be specially shaped to achieve similar results, preferably using iterative automated techniques that allow testing and iterative design taking into account a manageable set of major forces acting on the knee during normal functioning, together with information that is known about natural knee joint kinetics and kinematics.

The present invention is a replacement mitral valve suitable for catheter-based deployment. The replacement mitral valve has structure and dimensions that are uniquely suited to engage the annulus surrounding the native mitral valve and to restore normal function to a diseased valve. The invention describes the structures and functions of a replacement mitral valve and methods that are adapted for minimally invasive, catheter-based deployment of the valve.

Apparatus and method for controlling a molding machine includes structure and function for a human machine interface control panel having: (i) a flat panel display screen; (ii) a pointing device; (iii) a plurality of pushbuttons overlaid with or without icons; (iv) a housing containing the above and the associated electronics; (v) structure to uniquely identify each users preferred configuration; (vi) structure to connect to a remote controller for both digital information and video signal communication; (vii) a connection for receiving external power to drive the panel's electronics and display; and (viii) software running in the remote controller to provide all the operating functions of the human machine interface.

The present invention provides novel compositions and methods for protecting and promoting cell growth and restoring physiological structure and function to mucosal tissue of the body, especially mucosa in the gastrointestinal tract. The composition can be used as a pharmaceutical or nutraceutical to treat a gastrointestinal disorder or to promote general health of an animal, preferably a human. The composition is in an oral dosage form and comprises edible oil homogenized with a sterol compound at a concentration of at least 0.5% by weight and edible wax at a concentration ranging from 3% to 30% by weight. The composition can also be used to deliver other active ingredients to the gastrointestinal tract for treating various diseases.

The invention discloses a graphene and carbon nanotube mixed enhanced metal-matrix composite material and a preparation method thereof. The graphene and carbon nanotube mixed enhanced metal-matrix composite material is characterized in that graphene and a carbon nanotube are mutually connected to constitute an enhanced network in a metal matrix, wherein the graphene is few-layer graphene with 10 layers or less, the radius-thickness ratio of the graphene is larger than 200, and the volume fraction of the graphene is 0.1-1%; and the carbon nanotube is a single-wall, double-wall or multi-wall carbon nanotube, the length-diameter ratio of the carbon nanotube is larger than 20, and the volume fraction of the carbon nanotube is 0.5-5%. Compared with the composite material enhanced only by the carbon nanotube, the graphene and carbon nanotube mixed enhanced metal-matrix composite material disclosed by the invention not only has greatly improved mechanical properties, but also has more excellent electric conduction and heat conduction properties, and is a multi-purpose structure and function integrated material. In addition, the preparation method provided by the invention based on slurry blending and graphene oxide reduction is simple and efficient and is easy for large-scale production.

The invention relates to an aluminum alloy product suitable for structure and function integration, and a preparation method thereof. The aluminum alloy product comprises the components of, by weight, 5.5-10.0% of Zn, 1.5-2.8% of Mg, 1.5-2.5% of Cu, 0.01-0.50% of Cr, 0.05-0.50% of Mn, 0.01-0.20% of Zr, and balance of of Al and incidental elements and impurities. In the aluminum alloy product: (a) Zn+Mg+Cu is no lower than 10.0% and no higher than 14.0%; (b) (Zn / Mg)+Cu is no lower than 4.4 and no higher than 6.5; (c) Cr+Mn+Zr is no lower than 0.10 and no higher than 0.60; and (d) the content of Cr is no higher than that of Mn, and content of Mn is no higher than that of Cr+0.20. The aluminum alloy product has high strength, high electric conductivity, and good thermal conductivity. Also, the aluminum alloy product has low residual stress, good surface quality, and good dimensional precision. The invention also relates to a preparation method of the aluminum alloy product.

A method of mutagenesis by which a predetermined amino acid is introduced into each and every position of a selected set of positions in a preselected region (or several different regions) of a polypeptide to produce a library of polypeptide analogs. The method is based on the premise that certain amino acids play crucial role in the structure and function of proteins. Libraries can be generated which contain only desired polypeptide analogs and are of reasonable size for screening. The libraries can be used to study the role of specific amino acids in polypeptide structure and function and to develop new or improved polypeptides such as antibodies, antibody fragments, single chain antibodies, enzymes, and ligands.

At first, breeding filter feed silver carp, carp and crucian carp in area of water bloom breakout to control algae growing; pelagian eats small algae to reduce quantity of the algae; spiral shell and clam can moves carrying roes toincrease fish spreading area; cyanophage, dissolved algae bacteria and other microbe eating algae are separated and purified from natural water, which is cultured to large quantities in laboratory then to be put in blue algae water bloom breakout orea to control algae; resumption of water plant in water bloom breakout area can control algae growing. Last is getting rid of algae by machine including fixed blue adgae water bloom removing machine and mobile blue adgae water bloom removing machine.

A process for preparing high-performance continuous fibre of zirconium oxide includes such steps as synthesizing acetylacetone-zirconium polymer as precursor from acetylacetone and zirconium oxychloride as main materials, dissolving in methanol to obtain the spinning solution, drying spinning to obtain continuous fibre of precursor, heat treating in a multifunctional sintering furnace by special atmosphere and high-temp. airflow spraying for stretching. Its advantages are high tensile strength (over 2.6 GPa) and long length up to several kilometers.

The invention belongs to the technology field of formula foodstuff with homology of medicine and food, and concretely relates to edible special meal for patients with tumor. Partial lump is formed by abnormal hyperplasia of cells of partial tissue under the effects of various tumorigenesis factors of body. The malignant tumor can destroy structure and function of tissue and organ, thereby inducing necrotic hemorrhage concurrent infection, and the patient finally may die due to exhaustion of organ function. The invention combines food material with homology of medicine and food as well as new resource foodstuff perfectly, and combines diet and health preserving organically, thereby using a plurality of probiotics creatively based on inherits of traditional Chinese medicine healing methods for conditioning and preventing and inhibiting tumor, and adjusting microecology balance in intestine and enhancing taste movement function; according to the characteristics of tumor, a plurality of natural and original medicine and food materials with homology are added, so the invention has unique advantages integrated with dietotherapy, prevention and conditioning three efficacies.

The invention relates to a function-integration gradient composite material with polymer / porous ceramic structure and a preparation method. The invention solves the problems that single material can not meet the requirement for the performance of the material made by the application condition in an extreme environment and the multilayer composite-structure material is easily layered and has poor safety and reliability. The product of the invention is made from a polymer layer, a gradient connecting layer and a ceramic layer from the inside to the outside. The preparation method comprises the following steps that: 1. the polymer layer, the gradient connecting layer and the ceramic layer are sequentially paved and then are put into a die to be formed by compression so as to obtain the green body of the composite material; 2. the ceramic layer of the green body of the composite material is loaded with high-density heat flux and then is naturally cooled. The composite-structure material of the invention has the advantages of small weight, strong structural strength and high effective heat insulation, is suitable for being used under the extreme working conditions of high temperature, airflow washout, etc., and is safe as well as reliable. The preparation method of the invention is simple and easy to be operated, and can prepare large-scale products with a complicated shape.

The present invention belongs to the technical field of soil heavy metal remediation, specifically discloses a method for preparing the iron-based biochar material, the iron-based biochar material prepared there from and a method for controlling the heavy metal pollution in soil using the iron-based biochar material. For the iron-based biochar material of the present invention, by using a method of high-temperature carbonization, a biomass is used as a raw material and an iron-containing compound is add in the process of preparing biochar, wherein iron is incorporated in a specific ratio, to form the iron-based biochar material with a special structure and function. The material has a simple preparation process, low cost and a short production period; the prepared iron-based biochar material has an unique effect on the arsenic-cadmium combined pollution soil remediation, can effectively reduce the bioavailability of arsenic and cadmium in the soil, significantly reduces the arsenic and cadmium contents in the agricultural products planted in the arsenic-cadmium combined pollution soil, and has no toxic and side effects on the crops, is safe to apply and can be applied to the control of arsenic-cadmium combined pollution soil in a large scale.

An SOA system reliability evaluation method based on a complex network theory comprises four steps, belongs to the technical field of complex system reliability and aims at solving the problem that an SOA system is complex in structure and function and a traditional reliability analysis method is difficult to implement and even cannot be implemented and putting forward a methodology for effectively analyzing the reliability of the complex SOA system. The SOA system reliability evaluation method is characterized in that the method is innovatively integrated with the complex network theory, objects in the SOA system and the mutual effect of the objects are abstracted to be nodes and connecting lines in a complex network so as to establish a complex network failure model, a cascading failure model for the SOA system is put forward, and reliability analysis work is completed by utilizing a Monte Carlo simulation experiment on the basis so as to find key software and a weak structure influencing the system reliability. The SOA system reliability evaluation method is not limited by system scale, and increase of the system scale does not enable the calculation complex degree of the method to be remarkably improved. The SOA system reliability evaluation method is clear in physical significance and easily operated and implemented by engineers.

The invention relates to a resourceful treatment method of waste thin film transistor liquid crystal monitors. The method comprises the following steps: sending liquid crystal display panels in a semi-sealed disassembly table to disassemble and remove mercury-containing fluorescent tubes so as to classify and separately recycle metal materials, plastics and glass and reach the aim of recycling resources; at the same time separating mercury-containing fluorescent tubes, organic polarizing film and liquid crystal and separately collecting and processing so as to realize the harmless and safe disposal of hazardous substances. The invention can be widely used for the resourceful recovery treatment of TFT-LCD computer monitors, LCD TVs and other liquid crystal products with similar structure and functions and is characterized by low operating cost and high recovery rate.

The invention relates to a laser scanning imaging device, comprising a laser, a laser scanning mirror, a micro objective, a near-infrared scattered light detection channel, a two-photon excited fluorescence detection channel, a second harmonic detection channel and a data acquisition imaging system. The laser scanning imaging device can simultaneously realize microscopic two-photon excited fluorescence imaging, second harmonic imaging and near-infrared scattering imaging, can be widely applicable to the fields such as quick high resolution structure and function imaging of living biological samples and has great practical value.

The invention discloses a virtual reality aircraft cockpit system with force / haptic feedback, namely, a flight simulator which uses a helmet mounted display, a motion tracking sensor and a force / haptic feedback system to replace a physical cockpit and a control mechanism of a conventional flight simulator and takes a virtual reality technology as a man-machine interaction mode. The virtual reality aircraft cockpit system is composed of computers and corresponding virtual reality interface equipment, adopts a network based distributed structure and takes the computers as a computing nodes, and different computing nodes perform communication through the network; motion data is acquired through the motion tracking sensor, the helmet-mounted display is taken as visual feedback equipment to output a virtual scene, and the force / haptic feedback system provides real force / haptic feedback for a user. Compared with the traditional flight simulator, the virtual reality aircraft cockpit system is small in size and low in cost, has high flexibility in structure and function, and can realize good force / haptic feedback experience, so that better immersion and interactivity are acquired.

In the area of beverage distributors, document FR 1 564 088 is known that discloses an automatic dispenser device suitable for preparing beverages of various kind. The beverages may be hot or cold ones obtained from liquid or concentrated products, solid and powderly products contained in hermetically closed capsules of troncoconical shape, in turn contained, stacked one on the top of the other, in certain tubular containes. The dispenser is provided with a number of groups of containers each of which contains a certain number of capsules of a certain product so that the dispenser may be activated by a user for delivering a desired beverage. The dispenser is such that the content of any capsule falls into a mixing chamber where it mixes with hot or cold liquid poured therein and is certainly not adapted to brew an aspresso coffee. As to the structure and function of the distributor, each group of containers is positioned on a rotating drum provided with a passage for a capsule and mechanical means provide to transfer a capsule in the direction of the mixing chamber, to cut the head of a capsule and to make the capsule turn over in order its content to fall into said chamber. This dispenser works sealed capsules loaded into open containers.

The invention relates to a two-layer cell culture system organ chip and a preparation method thereof. The organ chip comprises a two-layer cell culture system, wherein each layer comprises a culture solution micro-fluid channel, a medicament micro-fluid channel, cell culture chambers and a medicament testing tank; a micro structure and micro-fluid channels are designed on the organ chip, two cells are respectively fixed on each specific cell culture chamber, and intercellular signal transmission and interaction between the cells are performed by virtue of the micro-fluid channels. The organ chip realizes the parallel implantation and co-culture of two or more cells, is simple in operation, reduces the dose of practical samples, simplifies the cell implantation process, has the characteristics of portability, economic performance, high efficiency and accuracy, and can be used for independently performing cell seeding and culture and detection of medicament toxicity or pharmacological activity. The two-layer cell culture system organ chip is a novel organ chip with miniaturization, automation and visualization, prepared by simulating the structures and functions of a human organ, and can be used for providing the effective theoretical basis for tissue and regeneration engineering, organ transplantation and medicament evaluation.

The invention belongs to the technical field of civil engineering, and concretely relates to prefabricated heat preservation wall body. The prefabricated heat preservation wall body consists of a heat preservation layer, a concrete internal wall panel, a concrete external wall panel and an FRP connecting piece, the concrete internal wall panel is internally provided with longitudinally arranged steel bars and transversely arranged steel bars, the concrete external wall panel is internally provided with longitudinal arranged steel bars and transversely arranged steel bars, the FRP connecting piece is of a recumbent H structure and consists of a ventral shield and flange girths, two flange girths are provided in the invention and are respectively arranged at the two ends of the ventral shield; the heat preservation layer is arranged between the concrete internal wall panel and the concrete external wall panel and is internally provided with hole slots which are arranged in a crisscross way, and the FRP connecting piece is inserted in the hole slots; the end of the heat preservation wall body is provided with a splice bar which is of a U-shape structure, the two ends of the splice bar are respectively inserted into the concrete external wall panel and the concrete internal wall panel. The invention realizes a novel prefabricated heat preservation wall body with an integral structural function, has the advantages of low heat conductivity coefficient, good corrosive nature, simple and convenient construction and the like, and has relatively extensive application prospect in the field of constructional engineering.

The invention belongs to the technical field of aero-engines, and particularly relates to an aero-engine nonlinear model modeling method. The method comprises the following steps: calculating an engine design point nonlinear model, and calculating a transmitter transition state nonlinear model; the method comprises the steps that an engine subsection model is established, and the model is mainly divided into an air inlet channel, a fan, a gas compressor, a combustion chamber, a turbine and an exhaust port according to the structure and function of an aero-engine; describing the aerothermodynamic law obeyed by each component during working by using a nonlinear equation in sequence, and establishing a component-level model of an aeroengine design point; the latter assumes that the characteristics of the parts in the transition state are the same as those in the steady state, and the volume effect of the parts is considered in numerical simulation in the transition state; only the volumetric effect of parts with large volumes is considered in calculation, and meanwhile momentum conservation is simplified to be replaced by the total pressure recovery coefficient of the channel, so thatenough engineering precision can be ensured, and calculation is greatly simplified.

The invention relates to a organic luminophor that includes base plate, anode layer, lightening layer, cathode layer and encapsulation plate which is used in encapsulation, it characterized in that said encapsulation plate possesses low melting point metal structure and function of radiating, said low melting point metal is embedded in cavity of said encapsulation plate, and encapsulated to inner of encapsulation plate by ultraviolet radiation solidify glue, the heat conduction material which possesses function of heat conduction is filled to the space between the cathode layer and the encapsulation plate, the invention, the craft of organic luminophor is simple, and the invention possesses perfect function of heat-conducting and radiating.

The present invention belongs to the technical field of water ecological restoration, and specifically discloses a rapid method for constructing a river way water ecosystem, the method includes the following steps: 1, collecting of to-be-repaired river way water ecological information; 2, detailed analysis of pollution information, sewage interception reoxygenation and blackness and odor removal by microbial decomposition; 3, planting of emergent proper aquatic plants, submerged plants and the like according to water and hydrological information; 4, control of algae by aquatic animals; and 5, water ecosystem maintenance; wherein aquatic plants are usually harvested in November each year, and plant body residues are cleaned up in early spring. Through combination of an ECO-EGG plug-flow aerator and the constructed river way water ecosystem, physical, chemical and biological-ecological approaches are effectively combined for phased treatment, water quality is rapidly improved, water eutrophication is controlled, water self-purification capacity can be improved, the water ecological structure and function can be restored, water quality can be long term and effectively improved, meanwhile the effectiveness, long effectiveness, economical efficiency and ecological compatibility of polluted water treatment can be unified.

The invention relates to a multi-dimensional filler ecological type protected slope construction method suitable for repairing riverways in towns. The method comprises the following steps of: taking an ecological bag structure as a support; dividing a protected slope structure into four areas: an upright protector area, a low water level influence area, a normal water level influence area and a maximum flood level influence area; selecting matrixes adapted to structures and functions of the areas as fillers; recovering submerged plants, emergent aquatic plants and wetland plantsbog plants on a protected slope from bottom to top; and simultaneously, setting facilities such as a buffering platform and a domestic sewage distribution pipe, and constructing a zigzag river corridor. According to the multi-dimensional filler ecological type protected slope construction method suitable for repairing the riverways in the towns, the mechanical stability of the slope can be improved, the anti-erosion performance of the protected slope of a river is enhanced; the living condition of a river waterside variation area is effectively recovered, and the completeness of a river ecological system is ensured; and the matrixes of the protected slope, microorganisms and vegetation have important interception conversion effect on coastwise non-point source pollution, so that the river self-cleaning capacity is enhanced, the service function of a river ecological system is improved, materials are selected according to circumstances, the construction is simple and convenient, the manufacturing cost is low, and wide market value and environmental benefit are realized.

The walking robot capable of being disassembled and reconstructed includes two rows of parallel food unit structures beside the frame unit, and features that it consists of food unit structures, frame unit structure and active joint unit structures, which may be separated from and combined to other unit structures easily. By means of changing the positions and number of the connecting frames, it is possible to alter the number and configuration of feet in the walking robot and to alter the structure and function of the walking robot. The present invention provides great expansion space for the structure and moving function of walking robot, can replace fault unit and composite new motion structure conveniently, and makes walking robot well fitting different motion environments. The present invention can also simplify structure and control of robot, and lower developing and using cost.

The invention discloses an unmanned aerial vehicle three-dimensional display control comprehensive-training system and relates to the technical field of training simulation technologies. The unmanned aerial vehicle three-dimensional display control comprehensive-training system comprises a flight simulation module, a visual simulation module, a flight control interaction module, a maintenance operation training module and an autonomic learning examination module, adopts a driving type three-dimensional curved-surface displayer to establish a display platform, adopts a 3D interaction technology and a three-dimensional driving technology to achieve driving and three-dimensional display of three-dimensional images, achieves highly-simulated man-machine interaction through interaction hardware, establishes a multiple-sensory-simulation ground control environment and adopts a flight control training working mode, a maintenance operation training working mode and an autonomic learning examination working mode. By means of the system, an unmanned aerial vehicle operator can master an unmanned aerial vehicle control method, an operation process and a special situation disposal method, accurately senses the state and environment situation of the three-dimensional space of an aerial vehicle, and a maintainer can be quickly familiar with the principle, structure and functions of the aerial vehicle and master a guarantee process and a maintenance method.

The present invention provides for the identification and cloning of functional plant centromeres in Arabidopsis. This will permit construction of stably inherited plant artificial chromosomes (PLACs) which can serve as vectors for the construction of transgenic plant and animal cells. In addition, information on the structure and function of these regions will prove valuable in isolating additional centromeric and centromere related genetic elements and polypeptides from other species.

A multimodal microscopic imaging system performs detection by an optical means. Lasers generated by a laser source enter a light filter through a light beam collimation and beam expanding mechanism to be filtered, then, part of the lasers enter a reference arm to generate weak coherent signals through a spectroscope, the other part of the lasers sequentially pass through a collimation coupling mechanism and a light beam guiding and focusing mechanism to form focused light beams, the focused light beams enter an electric scanning device arranged on a detection window through an ultrasonic transducer, biological tissue to be detected is subjected to circular scanning through the electric scanning device, and the focused light beams induce the biological tissue to generate back scattering photons and opto-acoustic signals on the biological tissue to be detected. The internal structure and the functions of the biological tissue are imaged, and fast multimodal two-dimensional and three-dimensional images are provided for accurately monitoring the internal structure and function changes of the biological tissue.

The present invention provides for the identification and cloning of functional plant centromeres in Arabidopsis. This will permit construction of stably inherited minichromosomes which can serve as vectors for the construction of transgenic plant and animal cells. In addition, information on the structure and function of these regions will prove valuable in isolating additional centromeric and centromere related genetic elements and polypeptides from other species.