49results about How to "Improve transition effect" patented technology

The invention discloses a three-layer co-extruded high-heat-preservation light-conversion PO film, and belongs to the field of agricultural greenhouse films. According to the invention, on the basis of a previous product, ethylene-vinyl acetate copolymer (EVA) is added into metallocene polyethylene (mPE), a light-conversion master batch is added into a middle layer, the formulas of an outer layer,the middle layer and an inner layer are different, the formulas of the outer layer, the middle layer and the inner layer are mixed uniformly respectively, master batches are prepared by using a two-thread worm double-screw extruder, a three-layer film extrusion is formed through a co-extrusion die head to prepare a PO agricultural greenhouse film, and water-based dripping fog-eliminating coatingliquid is coated outside the PO film. The film is anti-aging and free of fog drops, and excellent in puncture resistance and has a service life of 3 years or more. After inspection and testing by an authoritative department, all quality and technical indexes reach or exceed a national standard, some of which are more than twice as good as the national standard. The PO film is good in light-conversion effect, has a light conversion rate reaching 13% or more, is very beneficial to the growth of crops and shortens the growth period of the crops at the same time.

The invention discloses a novel imitative-ecological double-band light-energy conversion agricultural film and a production technology thereof. The light conversion film has long service life and good light conversation performance, a light conversion agent used has low production cost and amount and the mixing ratios of re-light conversion agent and the blue-light conversion agent can be regulated according to different types of plants so as to more effectively use the sun light. The production technology comprises the following steps: light stabilizer, thermal stabilizer, dripping agent, mixed light conversion agents and the like are weighed according to a respective ration against resin, are added into a plasticator, and stirred in a high speed with the stirring speed being controlled; the temperature is controlled till the resin taking the shape of plasticized state; the mixture is discharged and put into a granulation extruder for granulation; and then various types of resins and master batch are weighed accurately, according to the requirements of a technological formula, put into a stirrer for stirring and added into an extruder for extrusion, and coiling, coil stripping and packaging are carried out finally.

The invention discloses a nanometer red-light conversion agent specifically used for agricultural films and a preparation method thereof. The light conversion agent is a core-shell-structure composite and a structure thereof can be represented by R@AxB1-xL1L2, wherein, AxB1-xL1L2 is the structure of a shell layer and R is the structure of a core layer. The preparation method comprises the following steps: the red-light conversion agent with suitable amount is taken, and dissolved in solvent S1 with suitable amount so as to obtain solution A; nano-particle R with suitable amount is taken and dispersed in proper solvent S2 by ultrasonic waves, and the pH value of the system is regulated to 8.0 to 12.0 and takes weak alkaline, thereby obtaining a nanometer dispersion system B. Under stirring, the solution A is added in the nanometer dispersion system B by dropping; stirring is continued till obtain white turbid liquid which stands for 30min to 90min, is centrifugally separated and dried so as to obtain the nanometer red-light conversion agent.

The invention discloses a light conversion agent, a preparation method of the light conversion agent, a light conversion master batch, a preparation method of the light conversion master batch, a light conversion film and a preparation method of the light conversion film. The light conversion agent has a general formula of MO.xAl2O3: Mn, TM. The light conversion master batch comprises the light conversion agent and organic carriers. The light conversion film comprises the light conversion agent and light conversion agent carriers. The preparation method of the light conversion agent has simple processes. The light conversion agent comprises uniformly dispersed ingredients, has a cost greatly lower than that of the traditional light conversion agent, good stability and an emission spectrum matching with a plant photosynthesis spectrum, improves absorption and conversion efficiency of sunlight and improves a matching degree.

The invention discloses a bifunctional light conversion thin film, which is characterized by comprising a thin film substrate, a bifunctional light conversion agent and a first additive, wherein the weight of the bifunctional light conversion agent accounts for 0.1-10% of the weight of the thin film; the weight of the first additive accounts for 0.1-10% of the weight of the thin film; the rest of the thin film is the thin film substrate; the general formula of the bifunctional light conversion agent is Ca(1-x)NxF2: Eu, TM, wherein x is greater than or equal to 0 and less than or equal to 1, N refers to one or more of Ba, Zn, Sr, Mg, Hg and Fe, and TM is selected from one or more of Sm, Cu, Pr, Dy, Tb, Ce, La, Mn and Ag. The bifunctional light conversion thin film disclosed by the invention is good in stability, high in luminous intensity, adjustable in blue / red orange light intensity, and long in service life. The bifunctional light conversion thin film disclosed by the invention can convert ultraviolet light (300-380 nm) and green light (520-560 nm) in sun light into strong blue light (400-500 nm) and red orange light (575-630 nm) capable of promoting the growth of crops.

The invention relates to the field of agricultural greenhouse planting, and in particular to a light conversion film suitable for vegetable greenhouse planting and a preparation method thereof. The light conversion film suitable for vegetable greenhouse planting is prepared from thin-film resin, a modifying agent and a light conversion agent, wherein the mass of the light conversion agent is 0.5 to 1.0 percent of the mass of the thin-film resin; a chemical general formula of the light conversion agent is Mg9-x-ySmNa(PO4)7F:xEu<2+> and yMn<2+>, wherein a value of x is greater than or equal to 0.01 and smaller than or equal to 0.03, and a value of y is greater than or equal to 0.02 and smaller than or equal to 0.05. The light conversion film disclosed by the invention is capable of assistingfarmers in improving production conditions according to a required best red light and blue light ratio during a production process of Chinese chives, so that the quality and the yield of a plant canbe increased; meanwhile, the growth period can be shortened, income can be increased, and remarkable economic benefit and remarkable social benefit can be generated.

Embodiments of the present invention provide a video processing method and device, and a computer-readable storage medium. The video processing method comprises: in the process of transferring from afirst video to a second video, determining a fading factor corresponding to each target video frame in the first video, and / or the fading factor corresponding to each target video frame in the secondvideo; and performing floodlight processing on the target video frame according to the designated pixel feature of the pixel of the target video frame and the fading factor corresponding to the targetvideo frame.

The invention belongs to the technical field of light conversion films, and discloses a degradable light conversion film and a preparation method and application thereof. The degradable light conversion film comprises the following components in parts by mass: 20-100 parts of a degradable polymer base material, 0.1-1.2 parts of a surface-modified light conversion agent, 0-80 parts of a polyolefinfilm base material and a solubilizer which accounts for 1%-10% of the mass of the polyolefin film base material. According to the invention, a specific surface modification method is adopted to solvethe problem of mixing and dispersing of the light conversion agent in the degradable polymer substrate, and the obtained light conversion film has good uniformity, light transmittance and processability, and completely meets the use requirements of agricultural greenhouse films and agricultural mulching films. It is verified that the greenhouse applying the light conversion film can effectively improve the yield and disease resistance of fruit and vegetable crops. The degradable polymer base material and the polyolefin film base material can be further compounded, so that the degradability andthe service life of the film can be both considered.

The invention discloses a nitride red light conversion master batch. The nitride red light conversion master batch is characterized in that the master batch comprises a nitride red light conversion agent and an organic carrier, the nitride red light conversion agent is 0.5%-70.0% by weight of the red light conversion master batch, and the nitride red light conversion agent possesses the general formula of A[1-x-y]BCN[3]:RE[x],Tny. The nitride red light conversion master batch is capable of absorbing 260-620 nm light harmful to plants, and can emit red light which possesses the wave length of 600-780 nm and is essential for plant photosynthesis.

The invention discloses a low-speed wind tunnel double-sawtooth fixing transition tape based on the vehicle sticker technology. The transition tape is in the shape of a long strip, a long edge of the long strip is zigzag, the thickness of the transition tape is between 0.10mm and 0.30mm, the transition tape is composed of a plurality of layers, the number of the layers is an odd number, the upper and lower surfaces of other odd layers between the bottom layer and the top layer except for the upper surface of the top layer which is a smooth surface are respectively provided with an adhesion layer, the upper and lower surface of even layers are respectively provided with an anti-adhesion layer, the thickness of each layer is between 0.01mm and 0.10mm, the surface of the bottom layer of the transition tape is provided with a protection layer, and layers, including a protective layer, of the transition layer are separable. The transition tape uses vehicle sticker preparation process for reference, and has the advantages of high practicality, the unique profile, high precision and the large selectable size range.

The invention discloses a pull rod type multipurpose steel trestle abutment and a construction method thereof. The pull rod type multipurpose steel trestle abutment comprises double rows of steel pipepiles, soil retaining steel sheet piles, counter-pull steel sheets, abutment back filler, opposite-pull screws and an abutment butt strap. The construction method comprises the steps that firstly, the double rows of steel pipe piles are driven in front of the abutment to serve as an overall braking measure; then, aiming at the condition that abutment back filling soil in a river overtopping areais high, on one hand, the steel sheet piles and waist beam structures are adopted for achieving soil blocking and scouring effects, and on the other hand, the opposite-pull screws and the counter-pullsteel sheets are adopted for achieving balance of soil pressure; and reinforcing soil is filled between the steel sheet piles and the counter-pull steel sheets to ensure the stability of the abutmentback, a layer of concrete bridgehead butt strap is arranged at the upper part, and internally-arranged steel bars are welded with the tops of the steel pipe piles into a whole. By the adoption of thebridge abutment design and the construction method thereof, the problems that a temporary bridge abutment of a higher fill in the river overtopping area is difficult to disassemble, large in settlingvolume, poor in stability, scoured on the abutment back and the like can be solved, temporary trestle elevation control, bridge road sequential connection and trestle length reduction are facilitated, and therefore the purpose of reducing construction cost is achieved.

The invention provides a design method and apparatus for a diamond type forced transition apparatus of a high-speed aircraft. The design method for the forced transition apparatus comprises the stepsof 1, in a most difficult transition state of a flight condition, determining a mounting position of the forced transition apparatus and a first spanwise width of the forced transition apparatus according to limiting streamline distribution of the wall surface of a forebody inlet of the aircraft and a structure mounting space of the high-speed aircraft; 2, according to a flow field parameter of the wall surface of the forebody inlet of the aircraft, determining the thickness delta max of an enthalpy boundary layer with a maximum section in the mounting position of the forced transition apparatus; and 3, according to the thickness delta max of the enthalpy boundary layer with the maximum section in the mounting position of the forced transition apparatus, determining a size parameter of theforced transition apparatus. By applying the technical scheme, the technical problems of complex structure and difficult machining of the transition apparatus designed by a design method for the forced transition apparatus in the prior art are solved.

The invention discloses a sealing device of a woven bag. The sealing device of the woven bag comprises a main body, a fixing block, a sealing box, a pushing and moving mechanism, a conveying box and aplurality of extruding mechanisms, wherein each extruding mechanism comprises a lifting groove, a lifting rod, a guide rod, a telescopic groove, a spring, a rolling unit and two limiting units; and the pushing and moving mechanism comprises a rotating wheel, a rotating shaft, a first gear, a second gear, a fixing shaft, a rotary plate, a swing rod, a moving box and a moving unit. The sealing device of the woven bag can prevent the woven bag from shifting in a sealing process through an extruding mechanism, and the opening sealing line of the woven bag is prevented from being inclined; and moreover, through the pushing and moving mechanism, the sealing device of the woven bag can push out materials entering a sealing area of the woven bag, a bag wall of the woven bag and the material are prevented from being fixed together, so that a notch is prevented from being formed in the woven bag, and then the sealing effect of the woven bag is improved.

The invention provides a transition type determination method and device, electronic equipment and a storage medium. The method comprises the steps of obtaining a picture matching degree between a candidate transition type and a transition position between two adjacent video clips, and a music matching degree of the candidate transition type; determining the matching degree of the candidate transition type at the transition position based on the acquired picture matching degree and music matching degree; and according to the matching degree, determining whether the candidate transition type as a target transition type, wherein the target transition type is used for a transition effect between the two adjacent video clips. Through the technical scheme of the invention, the transition type with high adaptability and optimal transition effect can be automatically selected for the transition position, the video transition realization difficulty is reduced, the high-quality video transition effect is realized, and the user experience is improved.

The invention relates to voice control electric shoes, which comprises a left shoe body part and a right shoe body part and an earphone part. The left shoe body part and right shoe body part respectively include a brake system, a lithium battery, front and rear wheels, a loudspeaker, a brushless motor, an LED lamp, a signal / transmitting and receiving module, a shoe, a spring and a bottom processing system. The earphone part includes a microphone, an earphone processing treatment and an earphone lithium battery. The invention puts forward remote control electric shoes without two-hand control,the shoes utilize people's language to directly control the operation of themselves, can achieve connection with a smartphone, have the effects of voice broadcast and GPS navigation, can prompt the driving route in real time, also can set a destination, and achieve automatic driving. The starting speeds of the electric shoes have a gradual acceleration process, the shoes run smoothly, have a variety of speed options, and are suitable for people of all ages. The bottoms of the two electric shoes both have a lithium battery, the electric quantity is large, and the driving distance is far.

The invention discloses a preparation method of an anti-ultraviolet, anti-ageing and insect-prevention fiber. The preparation of the anti-ultraviolet, anti-ageing and insect-repellent fiber is completed through preparation of a blended spinning solution, a spinning process and a post-treatment process. The preparation method of the anti-ultraviolet, anti-ageing and insect-prevention fiber adds lanthanide rare-earth metal organic complexes, the lanthanide rare-earth metal organic complexes have a good UV light conversion effect, can absorb 300 to 380nm ultraviolet light and convert ultravioletlight into infrared light, and the fiber prepared by blending the lanthanide rare-earth metal organic complexes and the solution spinning solution has good anti-UV and anti-yellowing functions. By adding permethrin and deltamethrin, the prepared fiber has a long-lasting pest control effect, and can be effectively applied to agricultural nets, pest control nets for animal husbandry, outdoor shadingproducts for zoos, outdoor working clothing and military uniform fields.

The invention relates to sealing equipment with a woven bag adjusting function. The sealing equipment with the woven bag adjusting function comprises a main body, a heat sealing box, a conveying box and a pushing mechanism, wherein a clamping mechanism is arranged inside the main body; a heat sealing device is arranged inside the heat sealing box; the clamping mechanism comprises a second motor, afirst gear and two moving units; the pushing mechanism comprises a third motor, a second screw rod, a second nut and a pressure block; a scraping unit comprises a moving slot, a moving block, a fourth motor, a turnplate, a fixing rope, a spring, a rolling assembly and a positioning slot. Through the clamping mechanism, the sealing equipment with the woven bag adjusting function can adjust the angle of the woven bag to prevent the woven bag from inclining while sealing, so that a sealing missing phenomenon of the woven bag is avoided and the woven bag sealing effect is improved; in addition, through the pushing mechanism, the sealing equipment with the woven bag adjusting function can prevent a material in the woven bag from entering a bag sealing area, so that the woven bag sealing equipment can quickly fix the bag walls of the woven bag together.

The invention relates to a waste cigarette recycle transition device. The waste cigarette is conveyed to a feed area of a bearing belt through the surface of a main conveying belt, and is piled in thefeed area. When height of the cigarette pile rises, a soft pressing piece is jacked. One end of a rigid pressing strip is jacked by the soft pressing piece, and the other end of the rigid pressing strip drives a rotating shaft to rotate. The rotating shaft rotates to drive an identification point to generate displacement. A displacement sensor obtains displacement quantity of the identification point, the higher the displacement quantity is, the higher the cigarette pile is. When the displacement quantity reaches the threshold value, the height of the cigarette pile reaches expectation, and then the bearing belt conveys the cigarette pile to complete transition transfer. Through gravity of the soft pressing piece, the cigarette pile can be compressed to reduce gaps. A detection mechanismdoes not directly conduct height measurement to the cigarette pile. In this way, gaps in the cigarette pile have little influence on measuring results, cigarette pile height measuring is accurate, andthe waste cigarette transition transfer effect is excellent.

The invention discloses a novel imitative-ecological double-band light-energy conversion agricultural film and a production technology thereof. The light conversion film has long service life and good light conversation performance, a light conversion agent used has low production cost and amount and the mixing ratios of re-light conversion agent and the blue-light conversion agent can be regulated according to different types of plants so as to more effectively use the sun light. The production technology comprises the following steps: light stabilizer, thermal stabilizer, dripping agent, mixed light conversion agents and the like are weighed according to a respective ration against resin, are added into a plasticator, and stirred in a high speed with the stirring speed being controlled;the temperature is controlled till the resin taking the shape of plasticized state; the mixture is discharged and put into a granulation extruder for granulation; and then various types of resins andmaster batch are weighed accurately, according to the requirements of a technological formula, put into a stirrer for stirring and added into an extruder for extrusion, and coiling, coil stripping and packaging are carried out finally.

The invention relates to a video generation method, device and equipment and a storage medium. The method comprises the following steps: obtaining multiple materials, according to the material information of the plurality of materials, determining a target transition mode, and performing transition processing on the plurality of materials according to the target transition mode to generate a video. Because the target transition mode is determined according to the material information of the plurality of materials and is suitable for the plurality of materials, the video generated by using thetarget transition mode has a relatively good transition effect.

The invention discloses a nanometer red-light conversion agent specifically used for agricultural films and a preparation method thereof. The light conversion agent is a core-shell-structure composite and a structure thereof can be represented by R@AxB1-xL1L2, wherein, AxB1-xL1L2 is the structure of a shell layer and R is the structure of a core layer. The preparation method comprises the following steps: the red-light conversion agent with suitable amount is taken, and dissolved in solvent S1 with suitable amount so as to obtain solution A; nano-particle R with suitable amount is taken and dispersed in proper solvent S2 by ultrasonic waves, and the pH value of the system is regulated to 8.0 to 12.0 and takes weak alkaline, thereby obtaining a nanometer dispersion system B. Under stirring, the solution A is added in the nanometer dispersion system B by dropping; stirring is continued till obtain white turbid liquid which stands for 30min to 90min, is centrifugally separated and dried so as to obtain the nanometer red-light conversion agent.

The invention discloses an environmentally-friendly and nontoxic damage prevention agricultural film. The environmentally-friendly and nontoxic damage prevention agricultural film comprises, by weight, 0.5-2 parts of oxidized polyethylene, 6-9 parts of a composite stabilizer, 3-5 parts of nano-antimony doped tin dioxide, 4-9 parts of polyvinyl alcohol, 9-12 parts of an antioxidant, 5-10 parts of potassium titanate, 3-7 parts of polyvinyl chloride resin, 12-18 parts of polylactic acid-glycolic acid, 8-15 parts of a heat stabilizer, 7-10 parts of glycerin and 15-18 parts of silica sol. The agricultural film has the advantages of good light conversion property, low cost and high degradability.