26results about How to "Change color" patented technology

The invention relates to a preparation method of a starch-based film with excellent mechanical property and pH responsiveness, and belongs to the technical field of food storage. Cellulose nanofibril immobilized pullulanase is introduced to significantly enhance the mechanical property and barrier property of the starch film, and a curcumin pH sensitive natural pigment is added to significantly enhance the barrier property of the starch film. The starch film can change color according to the change of the pH value of the environment, so that the intelligent response capability of monitoring the freshness and the putrefaction degree of the food in real time is realized. The color of the starch film can be obviously changed from white transparent to yellow transparent, and the tensile strength, the contact angle and the maximum degradation temperature are respectively improved from 9.29 MPa, 66.3 DEG C and 314 DEG C to 13.41 MPa, 87.2 DEG C and 340.5 DEG C. The barrier property is also improved, and the barrier property is reduced from 6.23 * 10 <-12 > g.cm / Pa.s.cm < 2 > to 4.78 * 10 <-12 > g.cm / cm < 2 >. Pa.s. The sensitive reaction capability to ammonia water with different concentrations can generate obvious color change. Considering the anti-oxidation characteristic of curcumin, the composite film has a potential pork fresh-keeping effect.

The invention discloses an audio Bluetooth control circuit based on voice control, and belongs to the field of Bluetooth control circuits, the circuit is mainly composed of a lithium battery and a Bluetooth chip, the Bluetooth chip is connected to the lithium battery through a filter capacitor C4 for power supply, and a plurality of functional modules are arranged in the Bluetooth chip: a power supply module ensures stable operation of the chip; the power key detection module realizes the startup and shutdown functions through a PWRKEY pin, and can be started or shut down after being pressed for 2 seconds; the FM function module supports FM broadcast receiving; the Bluetooth antenna module is responsible for receiving signals in a frequency range of 2.4-2.5 G to realize Bluetooth connection, in addition, the circuit also comprises a fantasy lamp bead power supply and control module, a charging and lithium protection module, a LINE IN input module, a key module, a microphone (MIC) module, a TF card seat module, a power amplifier module and the like, and the circuit is rich in function, convenient to operate and high in practicability. And high-quality audio Bluetooth control experience is provided for the user.

The application discloses a conjugated polymer of chlorobenzene, o-dichlorobenzene or m-dichlorobenzene and EDOT as well as a preparation method and application thereof, and belongs to the field of polymer electrochromic materials. By introducing chlorine atoms as intermediates in different active sites of benzene and EDOT as a strong electron-donating group, the obtained conjugated polymer has the characteristics of a wider redox peak, good optical contrast, fast response time, high coloring efficiency, good stability and the like.

This invention discloses a tunable nanoantenna and its fabrication method, belonging to the field of nanoantenna technology. The tunable nanoantenna comprises, from top to bottom: an ordered metal mesh nanoelectrode layer, Fe... 3 O 4 The invention comprises a magnetic nanosphere layer, a silicon nanopillar micro / nanostructure layer, a substrate layer, and a lower electrode layer. This invention proposes a tunable nanoantenna and its fabrication method. Specifically, this invention combines silicon nanopillars with Fe... 3 O 4 By combining magnetic nanospheres and utilizing their synergistic effect, a composite nanoantenna with magnetic response and optical resonance characteristics can be constructed. This not only breaks through the limitations of single-material control, but also enables more flexible performance control through the dual effects of magnetic and optical fields.

The utility model belongs to the technical field of pipe fitting welding detection, and discloses an electric melting pipe fitting welding effect detection device which comprises an electric melting pipe fitting, two temperature sensing assemblies are arranged on the outer surface of the electric melting pipe fitting, and the two temperature sensing assemblies are symmetrically arranged at a connector of the electric melting pipe fitting respectively. The temperature sensing assembly is used for sensing the temperature of the outer surface of the melting area and comprises a fixing adhesive tape and a color changing block arranged on the fixing adhesive tape, the fixing adhesive tape is used for being bonded and fixed to the outer surface of the melting area of the electric melting pipe fitting, and the color changing block is used for sensing the temperature of the outer surface of the melting area so as to change the color of the color changing block and is white under the normal temperature condition. The color changing block changes color under a high-temperature condition, and the color is kept unchanged after color changing; according to the utility model, the temperature sensing assembly is arranged to sense the temperature of the outer surface of the melting area, and the sensed temperature is presented in a visual form, so that a worker can observe the temperature conveniently, and the problem of quickly detecting the welding effect of the pipe fitting is solved.

A display device includes: a display including a display panel in which a plurality of pixels are arranged, and a decorative member arranged on one of a display surface side and a rear surface side of the display panel; and a color changer that emits illumination light on the display panel and the decorative member from the rear surface side of the display. Each of the plurality of pixels includes a pixel display area that emits display light and a transmission area that transmits light. The color changer emits illumination light of a predetermined color on the display panel and the decorative member according to a designed color of the decorative member to be presented to an observer.

The utility model discloses a neon lamp with a color changing function, and belongs to the technical field of neon lamps, and the technical scheme is characterized in that the neon lamp comprises a neon lamp main body, the neon lamp main body comprises a color changing device, and the color changing device comprises an air exchange mechanism, a lamp tube and a knob switch; a rotating device; a base; the movable lampshade is rotationally connected with the base through a rotating device; wherein the knob switch is connected with the ventilation mechanism. According to the neon lamp with the color changing function, the neon lamp has multiple working modes by changing the color of lamplight, and the application range is wide.

The present application relates to a biomedical image copy detection method, belonging to the technical field of digital information security, which can solve the problem of low accuracy, great detection difficulty and low efficiency of the image copy detection method in the prior art when used for biomedical image copy detection. The method steps of the present application are: S1, input the path of the query image set and the path of the reference image set; S2, input the query image set and the reference image set into the self-supervised image copy detection model to generate image feature vectors; S3, use the faiss library to construct the index of the image feature vectors in the reference image set; S4, traverse and calculate the minimum Euclidean distance between the image feature vectors of the query image set and the image feature vectors in the reference image set according to the index of S3; S5, obtain the suspected copy image pair based on the minimum Euclidean distance obtained in step S4; S6, judge whether the biomedical image is a copy image according to each suspected copy image pair.

The utility model relates to a kind of vehicle-mounted tent support with light system, including connecting plate, left connecting seat and right connecting seat are connected respectively in the left and right sides of connecting plate, several rotating struts are rotatably connected on left connecting seat, right connecting seat respectively, the bottom of several rotating struts is all fixed with lamp strip, lamp control module is equipped in connecting plate, lamp strip and lamp control module are electrically connected, sound response control module is implanted in lamp control module, the utility model aims at, provide a kind of vehicle-mounted tent support with light system, realize unfolded tent can use lamp strip, overall structure is simple, easy to operate and does not need additional installation and disassembly LED light bar, solve the technical problem that the existing vehicle-mounted tent needs to be separately disassembled light bar and lead to cumbersome operation.

The invention discloses a pineapple fiber blended fabric and a preparation method thereof, and relates to the technical field of textile fabrics, the fabric material comprises pineapple fiber, bamboo fiber, cotton fiber and polyester fiber; blending forming of the fabric is achieved through raw material selection and pretreatment, a spinning process, a weaving process and a finishing process. During desizing and softening finishing, a softening agent is added, so that friction force among fibers is reduced, the hand feeling of the fabric is softer, meanwhile, abrasion of the fibers in the friction process is reduced, pilling on the surface of the fabric is avoided, and the service life of the fabric is prolonged; the fabric is dried at a certain temperature, so that the internal stress of the fabric is eliminated, the size stability of the fabric is improved, the condition that the fabric shrinks or loosens after being cleaned is avoided, and meanwhile, the breaking strength and the air permeability of the fabric are effectively improved.

The invention discloses a conjugated polymer of chlorobenzene, o-dichlorobenzene or m-dichlorobenzene and EDOT as well as a preparation method and application of the conjugated polymer, and belongs to the field of polymer electrochromic materials. Chlorine atoms are introduced into different active sites of benzene to serve as intermediates, EDOT serves as a strong electron donating group, and the obtained conjugated polymer has the advantages of being wider in redox peak, good in optical contrast ratio, short in response time, high in coloring efficiency, good in stability and the like.

This invention relates to a conveying device for conveying a motor vehicle body (2) along a conveying path (4) during painting in motor vehicle manufacturing. The conveying device includes a chain conveyor (5) having chain strands (6) circulating along the conveying path. Fixed receiving elements (7) and loose receiving elements (8) are arranged at predetermined distances from each other along the entire length of the chain strand and are movable along the conveying path by means of the chain strands. The fixed receiving elements constitute crossbeams detachably connected to the motor vehicle body, and the loose receiving elements have resting areas (12) on which another crossbeam (13) detachably connected to the motor vehicle body can be supported. The crossbeams maintain the same crossbeam distance across the vehicle model, corresponding to the distance between the fixed receiving element and the following loose receiving element. The invention also relates to a method and painting apparatus for painting a motor vehicle body.

The invention discloses a preparation process of a royal jelly fermented bee product, which comprises the following steps: fermenting bee food to obtain a bee food product with high nutritional ingredients, enhancing the absorption of worker bees and the yield of royal jelly, and adding substances for increasing the tolerance of the bees into the bee food to improve the metabolism of the bees to pesticide residues, thereby reducing the pesticide residues in the royal jelly and improving the yield of the royal jelly. And finally, the collected royal jelly is subjected to modified protease treatment, so that the nutrition and health-care functions of the royal jelly are improved, the taste is improved, and the obtained bee product has the advantages of high oxidation resistance, immunity enhancement, liver protection and the like.

The present invention belongs to the technical field of nucleic acid detection, and proposes an interference type reflective spectrum RNA detection sheet, including a glass slide, on which a first chromium layer, a first gold layer, a thiol-modified DNA layer, a DNA gel layer, a first chromium layer, and a second gold layer are sequentially arranged. The preparation method thereof comprises: washing the glass slide to obtain a decontaminated glass slide; plating a first gold layer on the surface of the decontaminated glass slide to obtain a glass slide I; washing the glass slide I, coating a layer of thiol-modified DNA oligonucleotide chain solution VI on the first gold layer after washing, and then soaking it in a DNA gel solution to obtain a glass slide II after washing; plating a second gold layer on the surface of the glass slide II again to obtain an interference type reflective spectrum RNA detection sheet, and the sequence of the DNA oligonucleotide chain VI in the DNA oligonucleotide chain solution VI is shown in SEQ ID NO: 10. Through the above technical scheme, the problems of complex operation, high cost, and long detection cycle of miRNA detection means in the prior art are solved.

The utility model belongs to the technical field of media art photography, and particularly discloses a shadowless digital photography box which comprises a hollow box body defined by a top face, a bottom face and side faces, a plurality of light sources are arranged on one face, in the box body, of the top face, and the top face is in a dome shape or a hollow quadrangular frustum pyramid shape with an opening in the lower bottom. The light sources are evenly distributed on the top face, and the irradiation direction of each light source is the same as the orientation of the top face of the corresponding installation position. The light sources irradiating in different directions are provided to eliminate shadows left by photographing, the light sources do not need to be arranged on site, and the labor cost and the time cost can be reduced. The photographing device is suitable for photographing artworks, jewelry, sculptures, ornaments and the like.

The utility model provides a thermochromic ceiling and a vehicle. The thermochromic ceiling comprises a framework, fabric laid on the framework and a heating unit arranged on the inner side of the fabric. The heating unit is used for regulating and controlling the temperature of the fabric, a thermochromic coating is arranged on the surface of the fabric, and the color of the fabric is changed along with the change of the temperature of the fabric. According to the thermochromic ceiling disclosed by the utility model, the thermochromic coating is coated on the fabric of the automobile ceiling, and the heating unit in the automobile ceiling is used for carrying out temperature rise control on the fabric, so that the color of the fabric can be changed; when the temperature of the fabric does not reach the set color change temperature, the appearance of the automobile roof presents a traditional decoration effect; when the temperature of the fabric rises to the preset temperature, the automobile roof can present the preset color or pattern, so that the decoration and atmosphere building effects of the automobile roof can be improved.

The present invention relates to a micro-light emitting diode system capable of selective control, and more specifically to the following technology: a transparent micro-light emitting diode display skin (300) is embedded on the outer surface of any one of a specific device (10), a specific object (20), and a part of the body (30), and a main component part (400) and a remote slave part (500) for controlling the transparent micro-light emitting diode display skin (300) are formed separately or separately on one side of any one of the specific device (10), the specific object (20), and the part of the body (30); in addition, a smart phone (600) is constructed for a user to finally selectively control the transparent micro-light emitting diode display skin (300), and the color of any one of the structures of the specific device (10), the specific object (20), and the part of the body (30) can be selectively changed to match the current state of the user.

One embodiment of the present invention provides a refrigerator comprising: a box body forming at least one space; a display door which opens and closes the space and is composed of a display panel for outputting information; a first door, a second door, and a third door that open and close the space and that have a light source capable of outputting RGB colors; and a control unit that controls the display panel and the light source. The control unit outputs at least one color on the first door, the second door, and the third door.

The present invention discloses a mixed reality deep fusion spatial positioning viewing, alignment and path planning system. By introducing a positioning point planning module, a mixed reality calibration module and a mixed reality positioning module, a tracking device and a positioning device, it is possible to simply and quickly realize spatial deep fusion, that is, to achieve a complete overlapping effect between the three-dimensional model and the entity in space.

The invention discloses a less-water salt-free loose fiber dyeing machine which comprises a dyeing mechanism, a dyeing mechanism and a dyeing mechanism, the liquid pumping mechanism is communicated with the bottom of the dyeing mechanism and is used for pumping the dye liquid in the dyeing mechanism; the optical detection mechanism is installed on the liquid pumping mechanism and detects the dye liquid pumped by the liquid pumping mechanism, the optical detection mechanism comprises a shell, a sample container is fixedly installed at the middle end of an inner cavity of the shell, and the bottom of the surface of the sample container is fixedly sleeved with a heating ring; a first temperature sensor is fixedly mounted at the top of the sample container. The invention aims to solve the technical problems that when an existing detection mechanism for the water-less salt-free loose fiber dyeing machine performs optical detection on dye liquor, the accuracy of dye liquor color detection is poor, subsequent dye addition of the dye liquor is easily affected, and the dyeing effect on loose fibers is reduced.

The present invention relates to the technical field of plant genetic engineering, and in particular to a RsMYB3 transcription factor related to anthocyanin synthesis in rose petal spots and its application. The present invention cloned the MYB transcription inhibitor RsMYB3 involved in the synthesis of anthocyanin in rose petal spots, and the transcription inhibitor can negatively regulate anthocyanin synthesis; overexpression of the transcription inhibitor RsMYB3 inhibits anthocyanin synthesis in petals, and the expression of anthocyanin synthesis-related genes is reduced. The transcription inhibitor RsMYB3 provided by the present invention provides a new gene and method for regulating anthocyanin synthesis, petal color and petal spot in plants.

The invention belongs to the field of mobile phone blue light prevention, and provides an angle-adjustable mobile phone blue light prevention device which comprises a shell, a circuit board is arranged in the shell, a battery is further installed in the shell and electrically connected with the circuit board, a charging socket is electrically connected to the circuit board, one end of the charging socket extends out of the shell, and the other end of the charging socket extends out of the shell. The circuit board is electrically connected with a mobile phone interface, one end of the mobile phone interface extends out of the shell, the shell is provided with a power switch, and the power switch is electrically connected with the circuit board. Light rays are generated through the LED lamp tube, the light rays penetrate through the light curtain window, a layer of light curtain is formed above the mobile phone screen, and when the light rays emitted by the mobile phone screen penetrate through the light curtain, the light curtain can block and reflect blue light in the light of the mobile phone screen, so that eyes of a user can be protected, a mobile phone film capable of preventing blue light does not need to be pasted, and the mobile phone is more convenient to use.

The invention discloses a hybrid conjugated polymer with trifluoromethyl benzene or trifluoromethoxybenzene as a core unit and EDOT units connected to two sides as well as a preparation method and application of the hybrid conjugated polymer, and belongs to the field of polymer electrochromic materials. According to the invention, the strong electron-donating group EDOT is connected to the sites 2 and 5 or the sites 3 and 5 of trifluoromethyl benzene or trifluoromethoxybenzene, so that the obtained hybrid conjugated polymer has the characteristics of wider redox peak, good optical contrast, fast response time, high coloring efficiency, good stability and the like.

The utility model provides a toothpaste tube sealing test device, belongs to the technical field of sealing test, and solves the technical problem that the existing toothpaste tube with unqualified air tightness can cause unnecessary paste waste. A toothpaste tube sealing testing device comprises a testing tube, a connecting cover is rotatably connected to the testing tube, the connecting cover is in threaded connection with the toothpaste tube, an air tightness testing assembly is arranged in the testing tube, a supporting frame is fixed to the testing tube, and a driving assembly for controlling the connecting cover to rotate is arranged on the supporting frame. And an alarm assembly is arranged in the test cylinder. The toothpaste tube air tightness testing device has the advantages of testing the air tightness of the toothpaste tube, prompting personnel of the air tightness condition and improving the overall testing efficiency.

The object of the present invention is to provide a silver-containing harmful organism controlling composition in which coloration is unlikely to occur. The harmful organism controlling composition of the present invention contains: component (A), component (B), and component (C) below: (A) a nitrogen-containing heterocyclic compound of formula (1) and / or salts thereof: Wherein in formula (1), X is a nitrogen atom or a substituted or unsubstituted carbon atom, Y is a nitrogen atom or a substituted or unsubstituted carbon atom, and Z is a substituted or unsubstituted carbon atom, and when Y is a carbon atom, Y and Z can form a substituted or unsubstituted benzene ring or a substituted or unsubstituted 6-membered heterocycle together; (B) one or more metal components selected from the group consisting of aluminum, calcium, magnesium, zinc, and copper; and (C) a silver component.