60results about How to "Fill in the application gap" patented technology

The invention discloses a preparation method of a composite polytetrafluoroethylene nano-filtration membrane. After a hydrophobic polytetrafluoroethylene micro-pore membrane is activated, the composite polytetrafluoroethylene nano-filtration membrane is obtained by virtue of water-phase soaking and oil-phase soaking. The polytetrafluoroethylene micro-pore membrane has the characteristics that the strength is high and an additional supporting layer is not needed, and thus the membrane preparation process is relatively simple. Furthermore, by virtue of a unique node-fibril micropore structure of the polytetrafluoroethylene micro-pore membrane, the bonding strength between a base membrane and a nano-filtration modified layer is greatly improved, so that the performance of the composite nano-filtration membrane is improved. The prepared composite polytetrafluoroethylene nano-filtration membrane can be used for treating wastewater in severe environments of strong acid, strong alkali, high temperature and the like, and application occasions of an existing nano-filtration membrane are expanded.

The invention takes the by-product corn gluten (also known as corn gluten meal, containing about 60% protein) produced in the corn starch production as raw material and adopts the alkali-heat treatment, so that the insoluble amylose and amylopectin in the corn gluten can be gelatinized and removed in the high-temperature aqueous alkali, and the oil and fat suspension in the corn gluten is processed with saponification reaction in the high-temperature aqueous alkali to make oil and fat separation; moreover, the structure of the fat-soluble yellow pigment in the corn gluten is damaged under high-temperature and high-alkaline conditions, so the fat-soluble yellow pigment is water-soluble and removed; after repeated washing, purifying, separating and drying processes, the corn-isolated protein with the protein content reaching more than 90% is obtained; therefore, the invention develops a new protein material for the food industry.

The invention discloses an automatic large-size workpiece measurement system based on machine vision, and belongs to the technical field of machine vision measurement. The automatic large-size workpiece measurement system comprises an automatic large-size workpiece measurement hardware system and an automatic large-size workpiece measurement software system. The automatic large-size workpiece measurement hardware system comprises a light source, a camera, a lens and a high-accuracy moving device. The automatic large-size workpiece measurement software system comprises an image preprocessing algorithm, image data conversion modeling, a subpixel line/arc detection algorithm based on an improved RANSAC, and dimension calculation. The large-size workpiece can be measured by the system, and thesystem fills in the blank of application of machine vision in the field of large-size workpiece measurement. The software system can effectively eliminate noise and null points from an image and canrectify a non-uniform background. Production efficiency, stability and measurement accuracy of the system are improved.

The invention relates to a multi-space fusion learning environment construction method and device. The method comprises the following steps: pre-defining a plurality of spaces included in a multi-space fusion learning environment and each space learning environment construction parameter; constructing each spatial semantic network model; collecting a learning subject associated event and a learning environment associated event, and constructing a learning subject-oriented multi-space semantic hierarchy consistency data fusion model; constructing an integrated body model based on a learning scene; and setting the learning environment construction parameters for the learning main body according to the integrated tool body model. According to the invention, a multi-space fusion learning environment can be dynamically constructed for a learning subject in a personalized manner.

The invention discloses a method for in-situ joint detection of the expression of miRNA and fluorescence in-situ hybridization detection of apoptosis. The method comprises: synthesizing miRNA specific probe modified by LNA, labeling the probe with digoxin, purifying, biotinzing mouse anti-digoxin and constructing affinity-fluorescence labeling system and other basic steps. The invention can in-situ joint detect the expression of miRNA and apoptosis at the same time. The detection method of the invention converts the expression condition of miRNA to visible fluorescence signal, getting a good in-situ detection effect and filling a gap in the application of miRNA in-suit fluorescence detection.

The invention relates to a high-temperature-resistant flexible sensor and a preparation method thereof. The high-temperature-resistant flexible sensor comprises a mica substrate, a conductive layer covering the surface of the mica substrate, and a metal electrode formed on the conductive layer. According to the invention, since the conductive layer grows on the mica, the prepared flexible sensor has advantages of good high-temperature resistance performance, simple structure, and light weight; and the manufacturing process using pulsed laser deposition is simple and is compatible with the traditional coating process and the semiconductor process, so that the photolithography and ion etching are performed and thus the industrial production of flexible sensors is realized simply and efficiently.

The present invention discloses a protection method of GPS and BeiDou positioning system space-time information in IOS terminal digital images. In allusion to the problem that the time information and the space information of the digital images of the IOS users are easy to lose and tamper during a propagation process, the advantages of a digital watermark technology at the aspects of image authentication and data protection are given full play. When the watermark information is embedded, the block discrete cosine transform (DCT) is carried out on the images, and according to the length of the watermark information, the images are divided, and the watermark information is embedded in each area, and the characteristic identifiers are arranged in the embedded areas, and finally, the fragile watermarks are embedded in the image data. When the images are detected, whether the data contains the fragile watermarks is detected to determine whether the images are tampered. By searching the characteristic identifiers, the areas containing the watermarks are positioned rapidly, thereby extracting the watermark information efficiently. The protection method of the present invention enables the tamper-proofing capability of the images to be improved and the data security to be enhanced. Moreover, the time-space information can be combined with the digital image data itself tightly, thereby providing the technical means for the accurate positioning and the effective authentication of the images.

The invention relates to a high-temperature resistant halogen-free fire-retarding rubber conveyer belt rubber material which is high temperature resistant and fire-retarding and a conveyer belt made thereof. The rubber material comprises the following components: 90 to 110 parts of high-temperature resistant rubber, 170 to 190 parts of halogen-free fire retardant, 35 to 45 parts of reinforcing additive, 7 to 13 parts of thinker, 3.5 to 5.5 parts of vulcanizing agent, 1.5 to 2.5 parts of anti-aging agent A, 1.0 to 2.0 parts of anti-aging agent B and 1.0 to 2.0 parts of promoter. The components can be added or reduced according to a ratio. The invention has the advantages that: two main technical drawbacks in terms of high-temperature resistance and halogen-free and fire-retarding properties of the conventional products of the rubber conveyer belt industry are overcome; the application, used to lack, of the rubber material of the rubber conveyer belt products under halogen-free, fire-retarding and high temperature-resistance conditions is realized; the use safety of the conveyer belt products is improved considerably; and the service life of the products is prolonged.

The invention discloses high-thermal-conductivity low-porosity graphite for a curved glass hot bending mold. The thermal conductivity is not lower than 94W/(m.K), the porosity is not higher than 20%,the thermal expansion coefficient is not higher than 5.8 * 10<-6>/DEG C, and the average particle size is not higher than 5mu m. The preparation method of the graphite comprises the following steps: preparing petroleum coke powder, crystalline flake graphite powder and modified asphalt powder into modified asphalt coke flake powder, uniformly mixing the modified asphalt coke flake powder with modified mesocarbon microbeads, crushing, standing, carrying out isostatic pressing molding, roasting carbonization, dipping treatment and graphitization treatment to obtain the high-thermal-conductivitylow-porosity graphite. According to the graphite material, the petroleum coke powder is used as a main material, the modified asphalt mesocarbon microbeads and crystalline flake graphite are used as auxiliary materials, aggregate types and proportions are reasonably matched, mirror surface heat conduction, pores and expansion coefficients of the processed graphite material can be improved, the average particle size of the graphite material is not larger than 5 micrometers, and the graphite material can be applied to curved glass hot bending molds.

The invention discloses a blood vessel and lymphatic vessel anastomosis sleeve device for microsurgery, and belongs to the technical field of microsurgery. The blood vessel and lymphatic vessel anastomosis sleeve device comprises a pipeline a, wherein one end of the pipeline a is connected with a pipeline b through a connecting part; two annular convex parts are integrally arranged on the outer side wall of the pipeline b, and the annular convex parts are used for fixing a blood vessel or a lymphatic vessel; and the outer diameter of the pipeline a is larger than that of the pipeline b, and the inner diameter of the pipeline a is larger than that of the pipeline b. According to the sleeve device, the sleeve device can be used for quickly and efficiently anastomosing blood vessels and lymphatic vessels with calibers of 0.4 mm to 1 mm, two broken-end blood vessels are in well involution (intima-to-intima), the device is not in contact with the inner wall of a lumen and blood flow in thelumen, the patency rate after anastomosis is high, the leakage rate is low, and the occurrence rate of postoperative vascular crisis is low. The device not only can be suitable for blood vessels withthe diameter smaller than 1 mm, but also can be suitable for anastomosis of blood vessels with the diameter larger than 1 mm, fills the application blank of other cannulas, and meanwhile has high universality.

The invention relates to a method and a sensor for detecting the relative sliding velocity between a plate and a mould in a stamping process. The method comprises the following steps of: (1) forming an area measured laser image on the measured surface of a steel plate; (2) acquiring the image information of continuously changed patterns and outputting the image information to a signal processor by using an image sensor; (3) analyzing the movement amount of a characteristic area by adopting a self-correlation image processing algorithm, and outputting displacement information; (4) outputting sliding velocity data by using a master control unit; (5) adjusting an acquisition frequency by using the master control unit; (6) obtaining a conversion function for a sliding velocity value and sliding velocity data: y=ax+b; and (7) obtaining an actual relative sliding velocity. By using the detection method and the sensor, the sliding velocity can be measured in a real-time and non-contact way in a plate stamping process. The method has high operability and can be used for determining the sliding velocity of the steel plate relative to the mould in plate stamping deformation by matching a corresponding test device, thereby meeting requirements on scientific research and test.

The invention discloses a traffic section flow speed prediction algorithm based on a WIFI (Wireless Fidelity) signal. The traffic section flow speed prediction algorithm comprises the following steps:deploying a predicated equipment system along a traffic road, wherein the predicated equipment system comprises a plurality of sub-networks and each sub-network comprises a host and a plurality of extensions; acquiring a broadcasting data packet, which is sent by mobile equipment based on a WIFI signal protocol in an ambient environment, by the extensions based on a WIFI protocol through a wireless passive perception mode; screening a data packet carrying ID (Identity) information of mobile terminal equipment and searching; after marking extension labels, uploading the extension labels to thehost; carrying out uniform storage on the collected data by the host and marking time labels; uploading the collected data into a data server and storing; analyzing the data to obtain a road sectionflow speed evaluation and predication result. According to the traffic section flow speed prediction algorithm disclosed by the invention, data mining and analysis of the acquired data of a mobile terminal are realized and the traffic section flow speed prediction algorithm can be applied to detection of a traffic section flow speed.

The invention discloses an adaptive Tang poetry layout method at a mobile terminal. The adaptive Tang poetry layout method comprises: (1) establishing a vector based Chinese character quartered-grid adaptive display module of the mobile terminal; (2) establishing a vector-based pinyin four-line grid adaptive display module of the mobile terminal; and (3) performing the adaptive layout of a Tang poetry with the vector based Chinese character quartered-grid adaptive display module and the vector-based pinyin four-line grid adaptive display module of the mobile terminal as a background. According to the adaptive Tang poetry layout method at the mobile terminal, with respect to the diversity of a mobile device, an adaption ratio is calculated by use of the resolution of the mobile device to realize the adaptive layout of one Tang poetry in the quartered-grids of the mobile device; as a result, due to the good Chinese character quartered-grid display effect and exquisite Tang poetry layout of the mobile terminal, the problem of learning Chinese characters and Tang poetries at the mobile terminal is solved.

The invention belongs to the field of cosmetics, and particularly relates to an antioxidant whitening face cream containing a sophora flower bud extract, the sophora flower bud extract is subjected to enzymolysis treatment, and it is found in the research and development test process that compared with a sophora flower bud extract which is not subjected to enzyme treatment, the sophora flower bud extract is not subjected to enzymolysis treatment; the sophora flower bud extract treated by using beta-glucosidase, neutral protease and pectinase has higher moisturizing capacity. In addition, the performance test on the face cream prepared from the sophora flower bud extract enzymolysis product shows that the antioxidant activity of the product is greatly improved, and the whitening effect is remarkable.

The invention discloses a preparation method of a permanent hydrophilic nano graphene polytetrafluoroethylene hollow fiber nanofiltration membrane. The method comprises the following steps: mixing andpressing polytetrafluoroethylene dispersion resin, a nano graphene material, an extrusion aid, nano silicon dioxide and a coupling agent to obtain a green body; extruding the green body through a pushing and pressing machine to form a polytetrafluoroethylene hollow pipe, carrying out stretching and sintering heat setting in a drying oven, and carrying out surface hydrophilic stabilizer treatmentto obtain a permanent hydrophilic nano graphene polytetrafluoroethylene hollow fiber base membrane;; and carrying out water-phase impregnation, oil-phase impregnation and aftertreatment to prepare thepermanent hydrophilic nano graphene polytetrafluoroethylene hollow fiber nanofiltration membrane. The manufacturing method of the permanent hydrophilic nano graphene polytetrafluoroethylene hollow fiber nanofiltration membrane is based on the existing preparation process and equipment of the polytetrafluoroethylene hollow fiber membrane, additional slitting and wrapping equipment does not need tobe added, and the method is simple and easy to implement, low in cost and high in practical value.

The invention discloses a photonic crystal damping material plate, comprising a damping layer and a photonic crystal structural layer. The damping layer is made by combining a hot melt damping layer and a magnetic damping layer; the damping layer is provided with a plurality holes; the photonic crystal structural layer is embedded between the hot melt damping layer and the magnetic damping layer and is, in the holes, parallel to the damping layer. The photonic crystal structural layer is made by connecting mass units and elastic units; the elastic units are embedded between the hot melt damping layer and the magnetic damping layer; both the mass units and the elastic units are arranged in the holes and are parallel to the damping layer. Photonic crystal material is used herein for the first time in the field of automobiles to control first-order resonance of an automobile body; the photonic crystal damping material and an existing damping material are applied in parallel and are seamless butted; the photonic crystal damping material is applied practically for the first time; the requirement on low frequency in automobile damping denoising project design is met; the application blank for low-frequency damping materials is filled.

The invention discloses a three-axis camera comprising a camera and a dynamic stability and angle tracking bracket, wherein the camera is mounted on the dynamic stability bracket; a camera control module is connected with a data control bus, a switch and a signal line of the camera, the sum of view angle ranges of camera lenses mounted on the surrounding of the camera frame is 360 degrees, and thecamera lens mounted on the top of the camera frame forms a 330-degree vertical view angle with the camera on the surrounding. One-key remote control of switching and shooting of camera shooting and photographing, and on-off operation is achieved; and the function parameter remote control is synchronously set. Software and hardware enable automatic computer connection, downloading and classification of image big data, fault alarm and power on/off operations. The three-axis dynamic stability and angle tracking bracket realizes the dynamic stability and angle tracking of the dynamic three-axisX/Y/Z axis by s stability control module. The demand for professional and popular application of mobile shooting is met, and especially the stable and fool-like operation of handheld shooting.