411 results about "Micro tube" patented technology

A device and a system for humor component detection are capable of continuously carrying out measurement with accuracy for a long time and are excellent from the aspect of good hygiene. The humor component detection system comprises the humor component detection device and an extra-corporeal sensing device. The humor component detection device comprises a biosensor, a microbe containing portion, and an outer shell. Here, the biosensor comprises a sensing element and an electronic device. The microbe containing portion includes a pouched microtube blanketing film into which the electrodes of the sensing element are inserted, a plurality of acinous polymer-filmed porous microcapsules contained inside the film, and GOD genetically-modified bacteria contained in the microcapsules.

A heat pipe with micro tubes (2), comprised of a solid heat conductor (1) provided therein with two or more parallel micro tubes (2), the micro tubes being filled therein with working medium which exchanges heat through phrase change; and the two ends of the heat conductor (1) are sealed and at least one of them is provided with a sealing strip of gradually shrinking shape that is formed from cold welding. A manufacturing process for the heat pipe and a heat-exchange system comprised of the heat pipe.

The invention relates to optical fiber cables and, more specifically, to an optical fiber cable especially suited for blown installation or pushing installation in microducts of small diameter. An exemplary microcable for installation in small microducts has an outer sheath as buffer tube that holds a plurality of optical fibers without a layer of strength elements stranded around the outer sheath, which is made of one single thermoplastic material.

The invention discloses an assembling adhesive-dispensing device for assembling a microtube of a microtube part and a micropore of a micropore part and dispensing adhesive. The assembling adhesive-dispensing device comprises a clamping locating system and a microscopy detecting system. The clamping locating system is used for clamping and locating the microtube part, the micropore part and an adhesive-dispensing needle. The microcopy detecting system is used for conducting image shooting and magnification on a working area and transmitting image signals of the shot image to a control main machine. The microscopy detecting system comprises a plurality of microscope assemblies, and magnification times and the depth of field of all the microscope assemblies are different. The clamping locating system comprises a microtube part clamping locating assembly, a micropore part clamping locating assembly and an adhesive-dispensing needle clamping locating assembly which are used for clamping and locating the microtube part, the micropore part and the adhesive-dispensing needle respectively. The assembling adhesive-dispensing device combines technology of microscopy vision detecting, micro-assembling and micro-adhesive-dispensing, has generality and practicality, and can achieve man-machine coordination assembling of the micron order microtube part and the micropore part and adhesive-dispensing operation.

An expandable, flexible multi-tubular cryoprobe operational with a near critical cryogenic working fluid. The inlet fluid transfer micro-tubes utilized are formed of material that maintains flexibility in a full range of temperatures from −200° C. to ambient temperature. During operation, the cryoprobe is mechanically actuated to provide radial expansion of the inlet fluid transfer micro-tubes. Thus, enhanced thermal contact with target biological tissue to be treated is provided.

A hydrogen storage composite material having a Mg—Ni based alloy with a coating of a catalytically active metal deposited on at least a portion of a surface of said Mg—Ni based alloy. The coating is less than about 200 angstroms thick and preferably is formed from iron or palladium. The composite material is capable of adsorbing at least 3 weight percent hydrogen and desorbing at least 1 weight percent hydrogen at 30° C. The Mg—Ni based alloy has a microstructure including both a Mg-rich phase and a Ni-rich phase, micro-tubes having an inner core of Ni-rich material surrounded by a sheathing of Mg-rich material, amorphous structural regions and microcrystalline structural regions.

The present invention discloses the design and fabrication of highly porous (up to 97%) scaffolds from biodegradable polymers with a novel phase-separation technique to generate controllable parallel array of micro-tubular architecture. The porosity, diameter of the micro-tubes, the tubular morphology and their orientation may be controlled by the polymer concentration, solvent system and temperature gradient. The mechanical properties of these scaffolds are anisotropic. Osteoblastic cells are seeded in these 3-D scaffolds and cultured in vitro. The cell distribution and the neo-tissue organization are guided by the micro-tubular architecture. The method has general applicability to a variety of polymers, therefore the degradation rate, cell-matrix interactions may be controlled by the chemical composition of the polymers and the incorporation of bioactive moieties. These micro-tubular scaffolds may be used to regenerate a variety of tissues with anisotropic architecture and properties.

The present invention provides a cooling system for a backlit device. The cooling system has a first heat collector that comprises a micro tube. The first heat collector is for maintaining contact with the backlit device. The cooling system also has a first radiator, a first pump, an interconnecting tubing, a fluid, and optionally a fan and/or a reservoir. The first radiator is for distributing and/or dispersing heat, the first pump is for driving a fluid flow, and the reservoir is for storing the fluid. The interconnect tubing is interposed between the first heat collector, the first radiator, and the first pump to form a closed cooling loop. Some embodiments further provide a method of cooling a backlit device by using such a cooling system.

The invention discloses an underground estavel root-irrigation method used for trees, which is characterized in that the method is provided with at least a vertical hole deep into the soil in the 30cm-100cm of radius range away from the root of the tree trunk; the length of the deep hole is 30cm-40cm deep in the ground; an auxiliary irrigator which is provided with a water inlet and a water outlet is arranged above the deep hole; the upper part of the auxiliary irrigator passes through a lever with the length more than the diameter of the auxiliary irrigator by 2-3cm; the auxiliary irrigator is communicated with an estavel pipe by a micro-pipe and a flow stabilizer. The method of the invention has simple fabrication, convenient construction, low price and high fertilizer utilization ratio. The method of the invention can prolong the service life of the product from current 6 years to more than 20 years after being used, reduce the irrigation loss by 15%, and improve the fertilization efficiency by 28%.

The invention discloses a new method used mono-tube electric spinning device to make inorganic nanometer tubular material. It fully utilizes coordination between the polymer and metallic ion to make the metallic ion combine with macromolecule chain hard, uses high voltage caused by electric spinning to make the metallic ion concentrate on the surface of the polymer/inorganic complex fiber which is processed by burning to remove the polymer, finally gain the corresponding inorganic nanometer/micrometer tubular material. Thus the invention has the advantages of simple manufacture technology, high yield, and suiting for large scale application.

The invention relates to a preparation method for a coaxial micro-channel reactor and comprises the following steps: (1) selecting three polyfluortetraethylene micro tubes, wherein a micro tube with a larger inner diameter (A) is used as an outer tube and the other two with relatively small inner diameter (a1, a2) are used as inner tubes; (2) adopting epoxide resin to seal in a length of glass capillary or hollow fibre at the tube head supposed to enter micro tube A of the micro tube a1; (3) puting the two micro tubes a1and a2 in the micro tube A, wherein a1 is located in the position of the central axis of the micro tube A and the length of a1 entering the tube A is larger than a2; and utilizing epoxide resin to seal and fixe the micro tubes and get a coaxial micro channel; (4) and connecting micro tube a1 and a2 respectively to two injectors which are placed on an inject pump to form the coaxial micro-channel reactor. The invention has simple and convenient production process, and controllable micro-channel size, thereby realizing the use for producing monodisperse polymeric beads with the diameter ranging from 200 to 1000 micrometers. Furthermore, the invention has the advanthges of low cost and short consumption time.

The present invention discloses the customized forming process of gradient porous structural ceramic. By means of the combined fast light solidifying and gel molding formation technology, porous ceramic product in spherical pore and micro tube combining structure and complicated profile may be obtained. The technological process of the present invention is simple and has low cost, high precision and high forming efficiency.

The invention relates to an automatic high-pass micro-fluid reactor, a using method and application thereof. The micro-fluid reactor is a composite micro-fluid control chip constructed based on a surface hydrophilic material and a surface hydrophobic material, and comprises a plurality of radial micro tubes and micro cavities; and the micro-fluid reactor realizes automatic sample introduction of trace liquid samples in the micro tubes through a capillary acting force, and meanwhile realizes quantitative distribution and mixing of the trace samples by combining a capillary drain valve and a centrifugal force. The micro-fluid reactor can be applied to high-pass screening of chemical synthesis conditions and biochemical reaction conditions, and greatly saves manpower and cost. Compared with the conventional micro-fluid reactor, the micro-fluid reactor of the invention has a simple structure; and the using method does not need complex drive equipment and devices, simplifies the operation flow of the micro-fluid reactor, and is favorable for wide application of the micro-fluid reactor.

A method including disposing a first end plate adjacent to a second end plate, wherein the first end plate and second end plate each define a pattern of apertures. The first end plate is aligned with the second end plate such that the pattern of apertures in the first end plate is substantially aligned with the pattern of apertures in the second end plate. The method includes placing an end portion of each of a plurality of micro tubes in contact with the first end plate, the micro tubes being substantially vertically disposed and substantially perpendicular to a top surface of the first end plate, so as to place the micro tubes on the first end plate, and vibrating at least one of the micro tubes while the micro tubes are on the first end plate, thereby causing the micro tubes to insert into and through respective aligned apertures of the patterns of apertures in the first end plate and the second end plate. The method further includes separating the first end plate from the second end plate while the micro tubes extend therethrough, until the first end plate and the second end plate are disposed proximate to respective end portions of the micro tubes extending therethrough, and affixing each end portion of the micro tubes to a respective end plate, thereby forming a pathway in a micro tube heat exchanger component for the flow of an internal fluid to be heated or cooled by external flow of an external fluid.

The invention relates to a growth method for reducing density of micro-tubes in a large-sized high-quality SiC single crystal. A sublimation method is used in a SiC single crystal furnace to grow the SiC single crystal, the air is vacuumized to 10<-4> Pa-10<-2> Pa before growth, the growth pressure is 5-50 mbar, the temperature is 2100-2400 DEG C, the rate is 10-500 mum/h, high-purity nitrogen is introduced into a growth chamber for 2-10 hours when the crystal grows for 20-24 hours, the same nitrogen is introduced again after an interval of 20 hours, the process is periodically repeated to obtain the intermittently nitrogen-doped SiC single crystal, the obtained SiC single crystal does not have the defects of cavity, silicon drop, polytype and the like, and the density of the micro-tubes is greatly reduced. The growth method achieves the objectives of reducing the density of the micro-tubes to the lowest and even to the level of zero micro-tube.

The invention provides an ultra-micro glue dispensing device and a method. The device comprises a glass micro tube, a glue solution and a solution moving needle which is arranged in the glass micro tube and can move to pass through the glue solution, wherein the glass micro tube is internally provided with the glue solution. The method comprises the step of realizing the ultra-micro glue dispensing by the micro liquid drop which is absorbed at the front end of the solution moving needle when the solution moving needle is penetrated through the glass micro tube. The invention is simple and easy to run, and can be used for not only the contact type ultra-micro glue dispensing but also the non-contact type ultra-micro glue dispensing, thereby being wide in an applicable viscosity range; the size of a glue spot can be easily changed by adjusting the diameter size of the front end of the solution moving needle, so that the control of glue dispensing quantity can be controlled; the micro adjustment of the size of the glue spot can be realized by controlling the micro distance between the front end of the solution moving needle and a glue dispensing surface; and the glue dispensing can not be limited within the vertical direction, and the micro glue dispensing can be realized at the any directions of the space by changing the turning angle of a turning pair.

The invention discloses an underground circular estavel penetration-irrigation method used for trees, which is characterized in that a circular ditch is arranged inside the soil 30cm-100cm in radius range away from the root of the tree trunk; one end of the circular ditch is provided with an estavel protection conversion chamber having the length of 10cm-20cm; an air penetration chamber is arranged above the estavel protection conversion chamber; during the period of installation, the upper end of the estavel protection conversion chamber is 5cm away from the ground surface and an air penetration pipe is higher than the ground surface by 1cm-2cm; the height of the estavel protection conversion chamber is 10cm-20cm and the internal diameter thereof is 5cm-7cm; the water inlet end of the estavel protection device is communicated with the estavel pipe which is connected with a water supply pipe by the micro-pipe; the water outlet end of the estavel protection conversion chamber is connected with the circular water penetration pipe. The method of the invention has the advantages of simple fabrication, convenient construction, low price and high fertilizer utilization ratio. The method of the invention can prolong the service life of the product from current 6 years to more than 20 years after being used, reduce the irrigation loss by 17%, and improve the fertilization efficiency by 30%.