33results about How to "Feature reserved" patented technology

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 relates to the technical field of metallization functional textile products, in particular to a conductive cotton fiber, a method for pretreating the same and a method for preparing theconductive cotton fiber. The method for pretreating the conductive cotton fiber includes a step of adsorbing modifiers onto cotton fibers to obtain modified cotton fibers. The modifiers are selected from plant polyphenol. The conductive cotton fiber and the methods have the advantages that the green and environment-friendly modifiers are used by the method for pretreating the conductive cotton fiber and can be adsorbed to the surfaces of the cotton fibers under the effects of hydrogen bonds, a supermolecular structure membrane layer can be formed and can be used as an interface layer between metal plating and the cotton fibers, accordingly, binding force of the metal plating and the cotton fibers can be increased, the performance of the cotton fibers can be prevented from being optionallydestructed, and the shortcomings of fiber damage on existing cotton fibers, fiber performance deterioration and environmental pollution due to the traditional methods for pretreating existing conductive cotton fibers can be overcome; the method for pretreating the conductive cotton fiber is simple, green and environmentally friendly and is easy to control.

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.

The invention provides a vehicle-mounted unit OBU power adaptive adjusting method and equipment. The method comprises the steps that the power of the OBU is set as the first parameter in front of theentrance of electronic toll collection ETC so as to perform communication with an ETC antenna and complete the entrance transaction process; and the power of the OBU is set as the second parameter after passing the ETC entrance before sleep of the OBU so as to perform communication with a path identification antenna. According to the technical scheme, the functional characteristics of the CPC cardand the conventional OBU can be greatly integrated, the convenient and rapid characteristics at the toll road entrance and exit can be reserved for the OBU vehicle owner, and the marking success rateon the path identification road can also be enhanced. Compared with other schemes, the cost is low and accurate recording of the entrance and exit and path information of the toll road can be completed without performing upgrading and reconstruction of the OBU, the antenna and even the whole system.

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 discloses a rock mass structural plane intelligent interpretation method based on point cloud and GPU technologies. Collected rock mass laser point cloud data are processed as follows: step one, normal vectors of all points in the point cloud data being calculated based on GPU parallel computing and a linear regression method; 2, identifying a structural plane feature point set by using an improved region growing method; 3, extracting a structural plane boundary from the final structural plane feature point set by utilizing an improved convex hull scanning method; and 4, calculating the trace length, occurrence and spacing of the automatic interpretation structural plane based on the contour points. According to the method, the top-speed operation of massive point cloud datacan be realized, the efficiency bottleneck of identifying the structural plane based on the point cloud in the past is broken through, the rock mass structural plane information is accurately, quicklyand efficiently acquired, and meanwhile, the boundary of the structural plane can be described with high precision, so that the accurate trace length of the structural plane is calculated.

The invention relates to an LLC circuit of a single-stage PFC. An input rectifier forms a loop for charging a capacitor in a Boost converter; the Boost converter further comprises a first inductor, afirst switching element and a second switching element; and the isolated DC-DC converter comprises a bridge arm structure, a resonant inductor, a resonant capacitor, a transformer and a rectificationfilter circuit. One end of the first inductor is connected with the first output end of the input rectifier, the other end of the first inductor is connected with a center tap of the primary winding,and the connection point is connected with the midpoint of the bridge arm structure through a branch comprising part of the primary winding, the resonant inductor and the resonant capacitor; or the other end of the first inductor is connected with one end of the primary winding, the connection point is connected with the midpoint of the bridge arm structure through a branch comprising the resonantinductor and the resonant capacitor, and the other end of the primary winding is connected with the first output end of the input rectifier. According to the invention, the LLC working state of the circuit is not affected, the bandwidth of the output voltage loop can be designed to be high, and the power frequency ripple of the secondary output voltage is small.

The invention relates to the technical field of metallization functional textile products, in particular to a conductive aramid fiber, a method for pretreating the same and a method for preparing theconductive aramid fiber. The method for pretreating the conductive aramid fiber includes a step of adsorbing modifiers onto aramid fibers to obtain modified aramid fibers. The modifiers are selected from plant polyphenol. The conductive aramid fiber and the methods have the advantages that the green and environment-friendly modifiers are used by the method for pretreating the conductive aramid fiber and are attached to the surfaces of the aramid fibers under electrostatic interaction and the effects of hydrogen bonds, a supermolecular structure membrane layer can be formed and can be used as an interface layer between metal plating and the aramid fibers, accordingly, binding force of the metal plating and the aramid fibers can be increased, the performance of the aramid fibers can be prevented from being optionally destructed, and the shortcomings of fiber damage on existing aramid fibers, fiber performance deterioration and environmental pollution due to the traditional methods for pretreating existing conductive aramid fibers can be overcome; the method for pretreating the conductive aramid fiber is simple, green and environmentally friendly and is easy to control.

The invention provides a fullerene/gutta-percha ultraviolet absorption film material and a preparation method and application thereof, and belongs to the technical field of composite materials. The fullerene/gutta-percha ultraviolet absorption film material provided by the invention comprises a film matrix and fullerene dispersed in the film matrix, wherein the film matrix is formed by gutta-percha, and the fullerene is C60. The film material provided by the invention is obtained by compounding fullerene C60 and gutta-percha, wherein the fullerene C60 has good ultraviolet absorption capacity,and the gutta-percha has good biodegradability and is environment-friendly, so that the film material obtained by compounding the fullerene C60 and the gutta-percha retains respective characteristics,is good in biodegradability and has a wide ultraviolet absorption band, the ultraviolet absorptivity in the wave band of 200-400 nm almost reaches 100%, and a good prevention and control effect on the gibberella saubinetii is achieved.

The invention discloses a cattle instep leather pretreatment method based on season change and application thereof, and the cattle instep leather pretreatment method comprises the following steps: step (1), based on the weight of wet blue leather, adding 100-120% of water, controlling the temperature at 18-22 DEG C, adding 0.3-0.5% of softening enzyme, 0.5-1.0% of soaking agent and 0.8-1.2% of emulsifier, rotating, then adding 0.1-0.3% of protease and 0.5-1.0% of degreaser, and draining; (2) according to the weight of the wet blue leather, 120-180% of water is added, the temperature is controlled to be 30-35 DEG C, 0.3-0.5% of fatty alcohol and 5-8% of a composite rewetting agent are added, then 1-2% of the composite rewetting agent and 0.5-1% of a degreasing agent are supplemented, and drainage is conducted; (3) according to the weight of the wet blue leather, adding 50-100% of water, controlling the temperature to be 45-50 DEG C, firstly adding 0.5-1% of an emulsifier, 1-2% of a synthetic fatliquor and 1-3% of sulfonated oil, and draining water; according to the method, the technical effects that interfibrous substances and natural grease (beef tallow) among the leather collagen fibers are removed, meanwhile, the leather collagen fibers are relieved, and the leather collagen fibers are recovered to the original length as much as possible are achieved.

The invention relates to a power load fluctuation range prediction method and device. The method comprises: obtaining a fuzzy matrix corresponding to a historical power load time sequence at a currentmoment and before the current moment; performing phase space reconstruction on each row of fuzzy data in the fuzzy matrix to obtain a phase space matrix corresponding to each row of fuzzy data; and determining a power load fluctuation range in a future time period after the current moment according to the phase space matrix corresponding to each row of fuzzy data. A phase space matrix corresponding to a historical power load time sequence is obtained; the load fluctuation range of the prediction moment is obtained by using the phase space matrix, the chaos and uncertainty of the power load time sequence are considered, the prediction result is more accurate than the result obtained in the prior art, and a powerful support can be provided for the formulation of a subsequent power distribution plan.

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.