33results about How to "Feature reserved" patented technology

A light emitting device has a plurality of conductive members with good heat conductivity provided in a base member, the conductive members are isolated by insulating members provided between the conductive members. A light emitting element device is mounted on the base member. An light emitting diode is provided in the light emitting device and mounted on conductive member. A projection is outwardly projected from the heat conductive member for cooling the LED.

The invention discloses a method of preparing nano silicon on the basis of a halloysite raw material. The method includes the steps of: with halloysite clay as a raw material, acid-pickling the halloysite clay to obtain nano silicon dioxide, and mixing the nano silicon dioxide as a precursor with magnesium powder, and performing magnesiothermic reduction to prepare nano silicon particles having regular morphology with reaction conditions controlled. The halloysite has a nano tubular structure, so that an acid solution is easy to permeate the halloysite, thereby accelerating the acid pickling reaction. The magnesiothermic reduction process has low temperature, so that the micro-structure of a reaction product can be maintained. The nano silicon particle has uniform appearance and morphology, uniform pore diameter distribution, high specific surface are and low production cost. The method, with the natural halloysite clay as the raw material, is low in cost, is easy to amplified in production and has a wide application prospect in the fields such as lithium ion battery materials.

The invention relates to the technical field of metallized functional textiles, in particular to a pretreatment method for conductive aramid fiber, conductive aramid fiber and a preparation method thereof. The invention discloses a pretreatment method of conductive aramid fiber, which comprises the following steps: a modifier is adsorbed on the aramid fiber to obtain a modified aramid fiber; the modifier is selected from plant polyphenols. The pretreatment method uses a green and environmentally friendly modifier, which is adsorbed on the surface of the aramid fiber through electrostatic interaction and hydrogen bonding to form a layer of supramolecular structure, which can be used as a bond between the metal coating and the aramid fiber. The interface layer can improve the bonding force between the metal plating layer and the aramid fiber, and will not cause any damage to the performance of the aramid fiber. Disadvantages of environmental pollution. The pretreatment method is simple, easy to control, and environmentally friendly.

The invention discloses an intelligent interpretation method of rock mass structural plane based on point cloud and GPU technology, and the collected rock mass laser point cloud data is processed as follows: the first step is to calculate the point cloud based on GPU parallel computing and linear regression method The normal vector of each point in the data; the second step, using the improved region growing method to identify the structural surface feature point set; the third step, using the improved convex hull scanning method to extract the structural surface boundary from the final structural surface feature point set; Four steps, automatically interpret the trace length, occurrence and spacing of the structural surface based on the contour point calculation. The method of the present invention can realize the extremely fast calculation of massive point cloud data, break through the efficiency bottleneck of identifying structural planes based on point clouds in the past, accurately, quickly and efficiently obtain rock mass structural plane information, and at the same time can perform high-precision delineation of structural plane boundaries, and then Calculate the exact trace length of the structural plane.

The invention discloses a fullerene amino-acid-ester self-assembled medicine-carrying slow-release vesicle material, and a preparation method and application thereof, and relates to the field of fullerene. The vesicle material is prepared by enabling fullerene molecule to be connected with an amino-acid ester molecule through nucleophilic substitution, wherein fullerene is C60 fullerene and the molecular general formula is C60R5Cl. The preparation method comprises taking C60 fullerene and ICl as raw materials, taking chlorobenzene as a solvent, and synthesizing C60Cl6; adding an amino acid into a hydrochloric acid methanol saturated solution, and performing heating reflux to obtain the amino-acid ester; performing heating reflux on C60Cl6 and the amino-acid ester in a mixed solvent of ethyl acetate and toluene, so as to obtain the fullerene amino-acid-ester cruder product; and performing chromatographic separation, so as to obtain the fullerene amino-acid-ester self-assembled medicine-carrying slow-release vesicle material.

The invention discloses a preparation method of an antibacterial and insect-proof heat-generating composite yarn. The spinning solution is electrostatically spun, so that the produced fibers are attached to the surface of the fine wool yarn to form the primary yarn; S2. The primary yarn obtained in step S1 is fed into the vortex spinning equipment, and blended with the cotton fiber, that is, the primary yarn is formed. The antibacterial and insect-proof heat-generating composite yarn is described. The composite yarn prepared by the invention not only has the characteristics of good hygroscopicity, excellent elasticity and good warmth retention of the traditional wool yarn, but also has the advantages of antibacterial and moth-proof, and self-heating after being irradiated by far infrared rays.

The invention discloses an integrated design method, configuration and system of a hypersonic flight vehicle. According to the design method, an inward rotating type axial symmetry standard flow fieldand an outer compressing standard flow field are firstly generated, an inward rotating type shock wave and an outer compressing shock wave are generated under the design condition, and the two shockwaves intersect to form a shock wave intersecting line; and then a bottom projective plane perpendicular to the rotation axis of the standard flow field is arranged, a projection line of the shock wave intersecting line is generated on the projective plane, a projection line of a wave rider leading edge line is designed, and then a wave riding face, a free flow face, an inward rotating type air inlet duct and an air inlet duct outer fairing are generated. The internal flow and external flow integrated configuration of the hypersonic flight vehicle is formed by the generated inward rotating type air inlet duct, air inlet duct outer fairing, wave riding face and free flow face. According to the designed internal flow and external flow integrated configuration of the hypersonic flight vehicle, the excellent performance of the inward rotating type air inlet duct and the high lift-drag ratio property of a wave rider are basically kept, and complex wave system interference between an enginebody and the air inlet duct is weakened from the perspective of flow field coupling.

The invention relates to a single-stage PFC LLC circuit, wherein an input rectifier forms a circuit for charging a capacitor in a Boost converter; the Boost converter also includes a first inductance, a first switching element and a second switching element; an isolated DC-DC The converter includes a bridge arm structure, a resonant inductor, a resonant capacitor, a transformer, and a rectifier filter circuit; one end of the first inductor is connected to the first output end of the input rectifier, and the other end of the first inductor is connected to the middle tap of the primary winding, and connected to The point is connected to the midpoint of the bridge arm structure through a branch including part of the primary winding, resonant inductance and resonant capacitor; or the other end of the first inductance is connected to one end of the primary winding, and the connection point is connected by including a resonant inductance and a resonant capacitor The branch of the circuit is connected with the midpoint of the bridge arm structure, and the other end of the primary winding is connected with the first output end of the input rectifier. In the present invention, the LLC working state of the circuit is not affected, the bandwidth of the output voltage loop can be designed higher, and the power frequency ripple of the output voltage of the secondary side is small.

The invention discloses a hybrid routing method for a multi-radio-frequency multi-channel wireless Mesh network. The method is implemented through the scheme that a particle swarm in the multi-radio-frequency multi-channel wireless Mesh network is divided into two parts, the routes of one part are updated through a particle swarm optimizing method, interlace operation is conducted on the routes of the other part, and the optimal route is sought by combining the two methods. According to the method, the selecting problem of the optimal route in the multi-radio-frequency multi-channel wireless Mesh network constrained by service quality is solved, stability between knowledge sharing and natural selecting is improved, and the optimal route is more easily found in a searching space.

The invention provides a blue-light-blocking organic silica gel and a film made thereof. When the organic silica gel is produced, a certain amount of blue-light-filtering dye is added to the organic silica gel water to filter blue light of a certain wavelength. Silicone water is silicone pressure sensitive adhesive or silicone rubber. The beneficial effects of the present invention are: (1) simple structure and easy manufacture; (2) can effectively block high-energy short-wave blue light. By improving the optical properties of silicone, it not only retains the properties of silicone water itself, but also effectively blocks high-intensity blue light that is harmful to the eyes. The film can be used for the bonding of various modules of liquid crystal displays, and can also be used in the production of various protective films, explosion-proof films, substrate-free optical adhesives (OCA), LED displays, and LED light sources.

The invention relates to the technical field of metallized functional textiles, in particular to a pretreatment method for conductive cotton fibers, conductive cotton fibers and a preparation method thereof. The invention discloses a pretreatment method for conductive cotton fibers, which comprises the following steps: adsorbing a modifying agent on the cotton fibers to obtain modified cotton fibers; the modifying agent is selected from plant polyphenols. This pretreatment method uses a green and environmentally friendly modifier, which can be adsorbed on the surface of cotton fibers through hydrogen bonding to form a layer of supramolecular structure film, which can be used as an interface layer between the metal coating and cotton fibers, which can improve The combination of the metal coating and the cotton fiber will not cause any damage to the properties of the cotton fiber, which overcomes the shortcomings of the traditional pretreatment method that will cause fiber damage to the cotton fiber, resulting in deterioration of fiber performance and environmental pollution. The pretreatment method is simple, easy to control, and environmentally friendly.

The invention provides a modeling method based on wind power fluctuation multi-scale decomposition, comprising: according to the first wind power historical data collected in advance, analyzing the time characteristic and statistical characteristic of wind power fluctuation, so as to determine the wind power fluctuation decomposition component and the time scale corresponding to the wind power fluctuation decomposition component; According to the wind power fluctuation decomposition component and its corresponding time scale, a two-stage WMMF filter is used to decompose the wind power multi-scale fluctuation of the first wind power historical data to obtain a low-frequency trend component, an intermediate-frequency fluctuation component and a high-frequency fluctuation component. Accordingto the low frequency trend component, the intermediate frequency fluctuation component and the high frequency fluctuation component, a multi-dimensional probability model is established. Through theabove method, the multi-dimensional probability model can be established according to the fluctuation characteristics and correlation of wind power fluctuation of the original wind power time series,thus retaining the characteristics of the complete wind power fluctuation process and simulating the wind power output characteristics to the maximum extent.