70results about How to "Very practical" patented technology

Provided is a fruit tree micro-ecological protected cultivation bed, belonging to a facility special for cultivation and management of fruit trees. The fruit tree micro-ecological protected cultivation bed comprises support brick columns, a cover plate brick, a heat-transmitting channel, a waterproof film, bio-organic fertilizers, a perforated mulch film, a drip-irrigation pipe, a seal film, pressing film-sealing soils and a planting soakaway trench. Novel in design, unique in structure and wide in application, the fruit tree micro-ecological protected cultivation bed of the invention completely solves the technical problems of low ground temperature and high space humidity in protected cultivation of fruit trees at home and abroad, and integrally forms a micro-ecological system for normal growth and development of fruit trees. In addition, the fruit tree micro-ecological protected cultivation bed is low in investment, easy in operation, high in efficiency, and high in practicability and generalizability.

The invention provides a TWS earphone communication method and system based on carrier monitoring, and a TWS earphone. The TWS earphone comprises a master earphone and a slave earphone. After the master earphone and the slave earphone receive the data packet sent by the Bluetooth device, the master earphone and the slave earphone carry out carrier monitoring on the channel; when the channel is occupied, the master earphone and the slave earphone do not send signals; when the channel is idle and the slave earphone does not correctly receive the data packet, the slave earphone firstly sends a signal to preempt the channel and then communicates with the Bluetooth device, and the master earphone does not send the signal when detecting that the channel is occupied; and when the channel is idleand the slave earphone correctly receives the data packet, the slave earphone does not send a signal, and the master earphone sends the signal to preempt the channel and then communicates with the Bluetooth device. According to the TWS earphone communication method and system based on carrier monitoring, the TWS earphone, the master earphone and the slave earphone realize communication with the Bluetooth device in a mode of preempting a channel through carrier monitoring, and interaction between the master earphone and the slave earphone is not needed.

The present invention discloses a fresh-cut lettuce modified atmosphere packaging freshness preservation method which belongs to the fruit and vegetable processing, storing and freshness preserving technology and includes selecting, washing, cutting, disinfecting, centrifugal dewatering, bagging, vacuum-pumping, air inflating, sealing and storing. The fresh-cut lettuce modified atmosphere packaging freshness preservation method has novel design, advanced technology, unique approach, and wide use, not only reduces the mechanical damage of fresh-cut lettuce and controls brown stains, but also extends the freshness preservation period of the fresh-cut lettuce, and at the same time has low production cost, and is of great practical and promotional value.

A cow greenhouse barn belongs to equipment special for cow raising in the agricultural field, and is characterized in that a control greenhouse is built at a south opening of the barn, each of gables on two sides of the greenhouse is provided with an access door, a temperature regulation cow bed is built on the ground, a heat transfer passage is built below the cow bed, insect-proof vent holes are reserved on the upper portion and the lower portion of a north rear wall, a ventilation window is added to the front middle of the greenhouse, the unblocked ground of the greenhouse serves as a playground for cows, greenhouse steel supports are placed at intervals of 1-1.2m, the outer top of the greenhouse is covered with a temperature regulation covering, a winding-unwinding shaft is used to control and regulate interior temperature of the greenhouse. The cow greenhouse barn has the best breeding effect of being warm in winter and cool in summer. The cow greenhouse barn is novel in design, unique in structure and multipurpose, meets the use requirements of the constant-temperature cattle rearing industry in farming and stockbreeding areas in north China, northeast China and northwest China, and is highly practical and applicable.

The invention relates to a preparation method for culture medium dedicated to the normal-temperature preservation of strawberry tissue-cultured seedling germplasms, and the culture medium belongs to a dedicated material for preserving living germplasms. The preparation method includes batching, mixing, bottling, sterilization, inoculation and culturing storage. The design of the culture medium is novel, the formula is reasonable, and the culture medium is widely applicable. The invention solves the key technical problem that the tissues of tissue-cultured seedling germplasms of strawberry and other living plants can become aged. The production investment is little, the culture medium is easy to operate, the use effect is good, and the culture medium is highly practical and popularizable.

The invention discloses a needle separating device and a preparation method thereof. The needle separating device comprises a needle separating fixture, a storing box and a supporting rack, wherein the needle separating fixture is fixed on the supporting rack; one end of the storing box is provided with an opening, and the storing box is arranged under the needle separating fixture; the needle separating fixture is provided with a plurality of needle separating holes; and the opening end of the storing box corresponds to the needle separating holes. When the needle separating device prepared by the preparation method is used in practical, the test needles to be separated are held by hands, and vertically placed on the worktable surface of the needle separating device, the test needles are shaken by hands up and down, the test needles which have the same hole diameter with the worktable surface automatically fall into the storing box from the needle separating device, the test needles which do not automatically slide down are clamped by the needle separating fixture, and then can be judged to be deformed test needles, and the test needles which can not be inserted into a panel of the needle separating fixture are the test needles with non-conforming diameter. Compared with the traditional method of visually picking up test needles, the invention can enhance the needle separating efficiency and accuracy of the test needles, also can enhance the quality for separating the deformed test needles, and has practicality and convenience.

The invention discloses a silicon carbide powder reinforced high-performance plastic and a preparation method thereof. Raw materials of the silicon carbide powder reinforced high-performance plastic include, by weight, 65-70 parts of polytetrafluoroethylene, 10-15 parts of silicon carbide powder, 5-10 parts of a reagent graphite, 2-5 parts of molybdenum disulfide, 2-5 parts of bronze powder, 1-2 parts of carbon fiber powder and 1-2 parts of glass fiber powder. The preparation method comprises the following steps: (1) raw material weighing; (2) mixing, and drying; (3) hot pressing forming; and(4) preparation of the finished product. The preparation method of the high-performance plastic has the advantages of simple process, reasonable steps, and convenience in promotion and application, and the prepared plastic has the advantages of good physical and mechanical properties, excellent anti-friction and anti-wear performances, strong chemical stability, and great market competitiveness and production practical values.

A tenon mortise cutter for solid wood furniture includes a work piece positioning device and an eccentric cutting device. The work piece positioning device includes a work piece fixing mechanism, a tenon mortise length setting mechanism, and a tenon mortise center positioning mechanism. The eccentric cutting device includes a tenon mortise thickness and cutting mode setting mechanism, a caving machine fixing mechanism, and a rotation shaft sleeve. The work piece positioning device and the eccentric cutting device are connected together through the rotation shaft sleeve to work together, and then cutting and machining of a tenon and a mortise can be finished through linear motion and rotation motion.

The invention relates to a process for extracting myrosinase from horseradish and belongs to a process technology. The process comprises the following steps: slicing, pulping, stirring with a water bath, filtering, centrifuging, precipitating overnight and centrifuging. The design is novel, the process is advanced, the method is unique, and the application is wide. High-toxic and high-polluted chemical medicine is not used in the extraction process, and a systemically technical process of extracting myrosinase from horseradish is established. Meanwhile, the process has the advantages of being easy to operate, low in production cost and high in practicality and generalization.

The invention discloses a preparation technology of zeolite nitrate fertilizer and belongs to the fertilizer industry. The preparation technology comprises the following steps of: carrying out neutralization reaction, evaporating and dehydrating, stirring and mixing, pelletizing and packaging separately. According to the preparation technology disclosed by the invention, the design is novel, the process is advanced, the method is special and the use is extensive. By adopting the preparation technology, not only the nitrate fertilizer loss problem with the water is solved, but also the release supply time of the nitrate fertilizer in the soil and the water is prolonged. Meanwhile, the operation is easy, the production cost is low, and the practicability and the generalization performance are great.

The invention provides a colorful antiskid floor paint which is composed of a component A and a component B. The component A is prepared from the following raw materials in parts by weight: 30-50 parts of epoxy resin, 30-40 parts of quartz, 5-15 parts of an active diluent, 2-6 parts of a functional aid, 5-20 parts of color paste and 5-10 parts of wear-resistant powder. And the component B is prepared from 15-25 parts of an epoxy curing agent. The surface area of the epoxy resin coating is increased; improving roughness thereof, the friction coefficient of the material surface is increased; theinvention innovatively provides an epoxy floor coating mode, the epoxy floor coating mode has the effects of rich colors and various colors, the decorative property and the practicability are extremely high, the aesthetic feeling of floor coating is greatly improved, and by adopting a granular spraying construction mode, the colorful anti-skid floor paint can achieve the technical effects of uniform distribution and various colors. The preparation method of the colorful antiskid floor paint is simple and suitable for large-scale production and application.

The invention discloses a hillside fruit planting afforestation technology belonging to fruit forest cultivation management. The technology comprises the following steps: building a stone weir; filling the gaps of the stone weir with soil; paving a water gathering film; filling with cultivation soil; planting fruit trees; covering the earth surface with a film; covering the film with soil; covering the soil covering the film with an anti-aging reflective film; fixing the cover film with soil bags; and forming a field planting infiltration ditch. The technology disclosed by the invention is novel in design, unique in structure and widely applicable. The key technical problem of low survival rate of afforestation on a dry stone hillside landform is thoroughly solved. Moreover, according to the technology, the investment is small, the operation is easy and the effect is quickly realized. The technology has great practicability and generalization performances.

The invention discloses a novel target tracking and positioning method based on pixel characteristics, which comprises the following steps of: removing human body region: extracting foreground by three frame difference methods for RGB components of pixel points of an image, and binarizing the foreground image to obtain a binary image; detecting the key points of human body in binary image, including hand key points, eyebrow center key points and bipedal midpoint; Marking all connected regions of the binary image; Target tracking and positioning: according to the pixel distribution characteristics of the connected region, the target position and the target positioning point are determined. Motion feature correction: According to the pixel distribution characteristics in the detected connected region, the vector direction of the region is obtained by dimension reduction method and the position of the target point is corrected. The method of the invention can quickly extract motion features, and can quickly and accurately track and locate a moving target in either a simple background or a complex scene, especially when the moving time is short and the target is long and slender, the method is very practical, and has a good popularization prospect.

The invention discloses a windproof umbrella belonging to a light and rain shielding umbrella. In the windproof umbrella, a shaft rod and a support frame are made of light metal or other hard materials; light-proof and waterproof light flexible foldable umbrella cloth is stuck on the outer edge of the support frame; an exhaust port is reserved on an umbrella cloth cover for exhausting; the umbrella cloth on the upper edge of the exhaust port is lengthened for resisting water and light; and the shaft rod, the support frame and the center of the umbrella cloth top are fixed by a fixed cap. The invention has the advantages of novel design, unique structure, strong wind resistance, wide application range, low construction cost, convenience of carrying and strong practicability and generality.

The invention provides an OLED vehicle lamp control circuit. The control circuit comprises a microprocessor, a first switch group, a second switch group and a plurality of linear constant-current modules; the linear constant-current modules are in one-to-one correspondence with corresponding OLED light sources; the microprocessor is used for generating an on-off control signal and a luminance control signal according to a received vehicle lamp animation signal; the first switch group is used for generating on-off switching signals of each OLED light source according to the on-off control signal from the microprocessor, so as to control the on-off of each OLED light source through the linear constant-current module corresponding to the OLED light source; and the second switch group is used for generating luminance switching signals of each OLED light source according to the luminance control signal from the microprocessor, so as to control the luminance of each OLED light source through the linear constant-current module corresponding to the OLED light source. By virtue of the OLED vehicle lamp control circuit provided by the invention, the dynamic display effect of the OLED light sources is realized, and various kinds of display requirements of the vehicle lamp can be satisfied.

The invention discloses a nut box formed by a piece of paper and designed by imitating a handbag of a woman. The nut box comprises an outer box body and an inner box body, wherein the inner box body and the outer box body are integrally formed. The design appearance of the nut box imitates the handbag of the woman, the nut box is formed by the piece of paper and comprises an inner layer and an outer layer, the inner layer holds nuts, and the outer layer can hold nut shells when a user eats the nuts. The whole design has the high fashionability, the high enjoyment and the high practicability.

The invention provides a high-quality early-maturing cultivation method of a fruit tree, and belongs to the fruit tree cultivation and management technology. The method comprises the following steps of: making a ground surface into ditch tables; applying an organic fertilizer to ditches; covering a perforated mulching film on the surfaces of the ditch tables; making field planting water seepage ditches; and pressing the edge of the mulching film with earth so as to prevent wind. The high-quality early-maturing cultivation method has the advantages of novel design, unique structure, wide use, less investment, easy operating mode, quick effect, good efficacy, strong practicability and wide popularization, thus solving three difficulties such as prematurity, high quality and high yield in national fruit regions.