102 results about "Flagellar basal body" patented technology

The invention relates to a multiscale prediction method for the mechanical property of a woven composite material. The method comprises the following steps that 1), an initial parameter is input; 2), elastic stiffness matrixes of a fiber/basal body scale, a fiber bundle scale and a unit cell scale are computed sequentially according to a bottom-to-top homogenization process; 3), a multiscale incidence matrix is constructed; 4), stress-strain analysis is performed on unit cell entirety, stress is decomposed by the multiscale incidence matrix from top to bottom, and stress-strain fields under all the scales are obtained synchronously; 5), whether an ingredient material is in a failure is judged according to respective failure criteria of a fiber and a basal body; if so, the corresponding ingredient material is subjected to stiffness reduction; 6), whether the unit cell entirety is in a failure is judged, and if so, Step 7) is executed, or else, a next displacement increment is added and Step 2) is returned; and 7), stiffness and strength computation results of the woven composite material are output. Compared with the prior art, the method has the advantages of high computation efficiency, high precision, high universality and the like.

The invention discloses a shell, a manufacturing method and a mobile terminal. The shell comprises a basal body and an optical film formed on the basal body; and the optical film is sintered on the basal body, so that the appearance expression colour of the basal body is adjusted. According to the shell in the embodiment of the invention, after being formed on the basal body, the optical film is attached onto the basal body in an enhanced manner through a sintering process; therefore, the optical film is difficult to fall off from the basal body; and the problem that the perceptive colour is non-uniform due to falling off of the optical film can be avoided.

The invention discloses an alumina supporter for a silver catalyst. The alumina supporter comprises a cylindrical basal body with a central passage, and at least three partially cylindrical valve leaflets separated at equal intervals, wherein the valve leaflets are integrally connected on the periphery of the basal body. The alumina supporter with a new shape has high surface area and porosity between the supporters, can effectively reduce the pressure drop of a catalyst bed of the reactor, optimize the flow condition in the catalyst layer, achieve better mass and heat transferring effect and improve the performance of the silver catalyst. The silver catalyst prepared by utilizing the alumina supporter has stable performance and higher activity and selectivity, and is particularly suitable for the reaction for producing ethylene oxide by ethylene oxidization.

The invention discloses a bionic texture and coating layer cooperated anti-friction cutter and a design method thereof. The cutter adopts a basal body material of high-speed steel, hard alloys or ceramic; a bionic micro pit and micro projection composite texture is arranged in a cutter-chip contact area on the front cutter surface of the basal body material of the cutter; AlZrTaC+TiVBN alternate-distributed nanometer laminate coating layers are arranged on the surfaces of the texture and a basal body; the alternate laminate coating layers at least comprise single layers of 10 AlZrTaC layers and 10 TiVBN layers; and the thickness of the single layers of AlZrTaC and TiVBN is not bigger than100 nm. The design method of the cutter comprises the following steps: a design model of a micro texture on the surface of the cutter-chip contact area on the front cutter surface of the cutter is built; the oil film pressure and the friction coefficients of the cutter-chip contact interface are analyzed based on a Reynolds equation to optimize the geometric size of the micro texture and the depth or height gradual change dip angles theta 1 and theta 2; and through physical compatibility and chemical compatibility analysis, a laminate structural form of AlZrTaC+TiVBN coating layers is built. The cutter synthesizes the characteristics of the micro texture and the nanometer laminate coating layers, can reduce the friction and the wear of the cutter in the lubricating liquid cutting process, and can be widely applied to the cutting in the cutting liquid mode.

The invention discloses a novel inorganic thermal protection structure and a manufacturing method thereof. The novel inorganic thermal protection structure comprises an aluminum alloy basal body, a heat insulation layer and a heat-protection layer, wherein the heat insulation layer is a space reticular structure with a plurality of staggered hole gaps, the staggered hole gaps comprise a hollow sleeve pipe braided by a plurality of layers of quartz fibre wound on the aluminum alloy basal body, and the heat-protection layer is a model body which is formed by pressing a silicon nitride powder body and is matched with the heat insulation layer. The internal diameter of the quartz fibre sleeve pipe is 0.5-1.0 mm. The quartz fibre sleeve pipe is wound by a wet method, and the distance of the sleeve pipe is 1-4 mm; the quartz fibre sleeve pipe comprises the following parameters from the inside to the outside: the internal ring direction winding layer thickness H 1 is 1-4 mm, the spiral winding layer thickness H2 is 20-35 mm, and the external ring direction winding layer thickness H3 is 5-20 mm; the winding parameter of the spiral winding layer thickness is 75-85 degrees, and the winding direction between layers is formed by opposite superposition. The thickness of the silicon nitride heat-protection layer is 2-4 mm.

The invention discloses a heterogeneous layered mineralized coating on the surface of a medical implant. The surface of the medical implant is sequentially provided with a dense chitosan layer, a porous mineralized chitosan layer and a mineralized collagen/chitosan cross-linking layer from bottom to top. With Collagen, chitosan, a calcium-containing compound and a phosphorus-containing compound as raw materials, the heterogeneous layered mineralized coating is assembled once on the surface of a medical metal basal body through electrochemical reaction in a water solution, and the deposition state of each phase can be adjusted by adjusting the electrolytic deposition parameter, therefore, the heterogeneous layered mineralized coating is prepared. The method provided by the invention is simple and feasible and high in controllability; the medical material coating prepared with the method can promote the attachment and the propagation of cells on the surface of the coating and has a function of carrying drugs and enhanced bioactivity; and the bonding strength of the coating and a metal base plate is high, and the stability is favorable.

The invention discloses a three-dimensional vector expansion cardiovascular stent with a memory effect based on a 4D printing and manufacturing method. The stent is made by metalprinting a metal material with a vector expansion effect and comprises multiple net annular wires uniformly arranged in the axial direction and composed of inwards concave hexahedral grid basic units, multiple layers of the net annular wires are arranged in an array to constitute a stent main body, and an upper supporting ring and a lower supporting ring are connected to the net annular wires at the two ends of the stent main body respectively and fix the stent main body. The manufacturing method of the three-dimensional vector expansion cardiovascular stent comprises the steps of controlling the energy density oflaser area selecting melting, adjusting austenite-martensite phase change temperature, using different energy densities to form different parts of a basal body structure and achieving deformation adjustability of a formed cardiovascular stent based on temperature dependence change. Thus different parts of the stent have different expansion coefficients based on temperatures, so that the stent better adapts to the specificity and the thermal expansion of the shape of the blood vessel.

The invention relates to an embolization device (1) comprising a basal body (3) and at least one thrombogenic fibre (2) forming thrombus, wherein the basal body can be converted from an elongate primary shape to a secondary shape, the at least one thrombogenic fibre is arranged in a configuration wound around the basal body. In a method for producing an embolization coil of this kind, a primary coil (30) forming a basal body (3) of the embolization coil (1) has at least one thrombogenic fibre (2) wound around it, and the primary coil (30) is converted in shape to a secondary coil.

The present invention discloses a biological medical material with biological resposibility coating layer and its preparation method. It is formed from medical basal body and metal-iron-doped fluorine-contained hydroxy apatite nano coating layer coated on the surface of medical basal body. Said biological medical material can stimulate osteoblast differentiation and proliferation in early stage of implatation, can promote growth of bone and can accelerate cure process. Said invention also provides the concrete steps of its preparation method.

Disclosed is a liquid crystal hydroxyapatite/ polymer compounded anisotropic bone-substituted material and the preparation method, including the following steps: (1) dissolve hydrophilic macromolecule polymer with polarity into organic solvent; (2) mix together with proper n-HA liquid crystal to have liquid crystal n-HA particles arranged evenly in the polymer; (3) heat the mixing liquid to volatilize organic liquid; (4) freeze the condensate of the mixing liquid under a super-low temperature to fix the orderly arrangement of n-HA in the polymer; (5) dry for 24 hours; (6) after hot briquetting, get n-HA/ polymer biological composites. The n-HA is stick-shaped liquid crystal particles with the diameter of 12-20nm and the length of 200-300nm and distributes evenly in polymer basal body along certain direction, so that the mechanical property along the n-HA arranging direction is optimized greatly, that is, the bionical simulation of the natural bone is achieved from the aspects of component, texture and performance. Thereby, the using requirement for clinic load-bearing bone material can be satisfied.

The current conducting powder is mineral of layer silicate clad by carbon film. Method includes steps: (1) mixing one portion of mineral of layer silicate (weight) with 3-8 portions of water; adding 0.01-0.05 portions of dispersant into the admixture; mixing round to make the admixture even by dispersion emulsion machine with high shear to obtain suspension ore pulp; (2) carrying out spray drying the ore pulp to obtain powder of mineral of layer silicate; (3) under 300-500 deg.C, inducting nitrogen into powder of mineral of layer silicate so as to obtain their admixture; under 500-900 deg.C, inducting gas from carbon source into the said admixture to produce powder with mineral of layer silicate as basal body. Cost of raw material is low, since mineral of layer silicate is wide distributed. Comparing with conducting powder in carbon or metal series, the disclosed powder possesses advantages of easy of purification and decentralization, stable and high ration of performance.

First, the technique of the tiny mechanics probe is adopted to carry out the first step of the indentation detecting of the composite body of the coating layer/basal body. In the indentation detecting, the load is applied to the indenter, making the deformation zone in front of the indenter expand to the basal body. The varying relation between the indentation load and the indentation depth is recorded. Based on the change of the indentation depth, the hardness of the compoiste body of the coating layer/basal body under the loaded condition is calculated out. Further, the varying curve between the hardness and the indentation load is made. The second step of the indentation detecting is carried out under the coating layer without the influence of the deformation of the basal body. The invention possesses the features of the accuracy and reliable.

The invention provides a security card and a card authentication system, in particular relating to a bank card with security authentication and a bank card authentication system. The security card adopts the means that after digital watermarks are embedded in the human body biological characteristic information of a legal owner, the human body biological characteristic information is bound with a card to solve the problem that the security card is copied or distorted to result in the embezzlement of the bank card. The security card comprise a slice-shaped basal body, at least one storage medium for storing the information of the card, and a load bearing medium of the identity authentication information of the legal owner of the security card, wherein the identity authentication information of the legal owner is the human body biological characteristic information encrypted through the digital watermarks. The image information of the human body biological characteristic information is preferably printed on the surface of the card, wherein the image information of the human body biological characteristic information comprises faces, fingerprints, veins, irises and the like.

The invention relates to agricultural polyvinyl chloride shed film exclusively used for the fruit trees, which can adjust the transmitted spectrum of the sunlight in the greenhouse, promote the photosynthesis of the fruit trees, and improve the fruit quality and output. Polyvinyl chloride resin is taken as the basal body of the agricultural polyvinyl chloride shed film exclusively used for the fruit trees, plasticizer, heat stabilizer, ultraviolet absorber, compound dripless agent, organosilicon antifogging agent, hindered amine light stabilizer and light conversion agent, etc. are added in the basal body, and then the agricultural polyvinyl chloride shed film exclusively used for the fruit trees is prepared through the production process steps of reducing and tentering, etc. The invention can overcome the deficiency that the polyvinyl chloride film is produced by utilizing the ultraviolet absorber as the light stabilizer, during the novel polyvinyl chloride function film production, a method that the hindered amine light stabilizer and the light conversion agent with reasonable compounding ratio are added is adopted, to ensure that the light transmittance of the film is improved in a certain wavelength range, to play the effect on promoting the fruit coloring of the fruit tree in the shed.

The invention relates to a new method for predicting the residual thermal stress of a planar-knitted composite material, which comprises the following three steps of 1. selecting a minimum repetitive unit as a representative volume element according to the planar-knitting mode of a fiber bundle so as to determine the cell-body unit of the fiber bundle, and obtaining a simplified cell-body unit model according to the contraction deformation and stress conditions of component materials, i.e. a basal body and fibers, in the processes of cooling and solidification on the basis; 2. analyzing the stress of the basal body and the fibers in the cell-body unit according to the contraction-deformation compatibility conditions of the component materials i.e. the basal body and the fibers in the processes of cooling and solidification, and obtaining the constitutive relation between the thermal deformation of the component materials and the internal force of the cell-body unit so as to establish the thermal-stress analytic model of a planar-knitted composite-material single-layer plate; 3. establishing the thermal-stress equation of the planar-knitted composite-material single-layer plate according to the thermal-deformation compatibility conditions of the planar-knitted composite-material single-layer plate and a pure basal-body layer, and predicting the macroscopic residual thermal stress of a planar-knitted composite-material laminated plate through the performance of the component materials.

The invention relates to an anti-thrust, rot resistance and environment-friendly shoe, comprising a vamp and a sole; the vamp is fixed on the sole, wherein, the sole comprises a basal body and a metal lamella; the metal lamella is embedded in the basal body and molded with the basal body in one; the basal body is a thermoplastic elastomer. The sole of the invention is molded in one by embedding the basal body in the metal lamella, and the basal body is a thermoplastic elastomer; on one hand, the metal lamella strengthens the firmness of the shoe so that the whole shoe is not deformed easily, on the other hand, the metal lamella has the functions of anti-thrust and rot resistance. In addition, the basal body formed by the thermoplastic elastomer has excellent processing performance and simple production technique, requires no vulcanization, can be recycled and is nontoxic if the basal body is burned, thus producing good environment-friendly shoes. The invention discloses a manufacturing method of an outsole and a midsole of the anti-thrust, rot resistance and environment-friendly shoe.

The invention discloses a club fungus cultivating method and a product thereof. The club fungus cultivating method comprises the steps that basal cell division is promoted while auricularia polytricha sporocarp development is interrupted by adjusting and controlling temperature and light intensity and cooperating with proper high-concentration CO2, top end cells of auricularia polytricha bases are simulated to continue to divide and growth upwards when normal cell division in auricularia polytricha basal bodies is up to a certain degree, so that the auricularia polytricha bases undergo the expanding, growing and proliferating process and bifurcate from the base portions, the middle-upper portions bifurcate for multiple times to form clusters, the top ends form finger-shaped cluster sets, finally coral grape vine shapes are formed, and the appearance, taste and nutritive value of club fungi are superior to those of club fungi of auricularia polytricha.