70results about How to "Very practical" patented technology

The invention discloses a container nursery technology and a container nursery method for white bark pine seeds, and relates to the technical field of plant propagation. The container nursery method is characterized by comprising the following steps of (1) container selection, (2) treatment of seeds, (3) treatment of a matrix, (4) nursery, and (5) management of container-grown seedlings. The white bark pine seeds are subjected to standard nursery. The container nursery method for the white bark pine seeds has the advantages that the container nursery method is novel in design, and used appliances are unique in structure and are widely used. White bark pine seedlings can come out nursery after three years, white bark pines which come out nursery meets forestation specification requirements and have developed root systems, and a good root ball can be formed. Seedling trunks are upright, the color is normal, apical buds are full, and the white bark pines are not damaged mechanically and are not damaged by diseases and insects. The problem that white bark pine seeds are bred slowly in the northern region is solved. The container nursery method is low in investment, easy to operate, high in effect and high in practicality and generalization performance, and takes effect quickly.

The invention provides a photoelectric detector based on graphene planar junction. The photoelectric detector based on graphene planar junction comprises a substrate, two ends of the substrate surface are respectively provided with a metal electrode, a graphene integral band is connected between the metal electrodes, one end of the graphene integral band is a wide band part, and the other end of the graphene integral band is a narrow band part. For the graphene planar junction type photoelectric detector provided by the invention, difference of seebeck coefficients of wide and narrow bands is caused by means of difference of graphene band energy band structures of different width, and thus, zero-bias photoelectric detection is realized based on optical thermo-electric effect. Device structures and technical processes in the invention are simple, a lengthy graphene chemical doping technology is avoided, and a parallel structure can be realized for improving optical responsivity; based on the infrared absorption characteristics of graphene, the photoelectric detector provided by the invention can be used for mid and far-infrared and terahertz photoelectric detection, and is a very practical photoelectric detector structure.

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 an LED display driving circuit, a display, a driving method and a driving chip, and the circuit comprises a reference current source which is used for generating a reference current; a current mirror which comprises an input branch and an output branch, is connected with the reference current source and is used for amplifying the reference current; and a switch module whichis connected with the input branch circuit and the output branch circuit, and is used for acquiring the state signal of the reference current and realizing the control of the input branch circuit andthe output branch circuit according to the state signal. According to the LED display driving circuit, the display, the driving method and the driving chip, large current can be effectively preventedfrom flowing into an LED, and therefore the service life of the LED is guaranteed.

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.

A preparation technology for fully water-soluble calcium and boron fertilizers with superactivity belongs to the fertilizer industry. The preparation technology comprises ingredient stirring, granulation, inspection, packing and warehouse storage. The preparation technology achieves novel design, advanced process, unique method and extensive use. The activity of the calcium and boron fertilizers is improved, and the calcium and boron fertilizers can be directly sprayed, absorbed and utilized on leaves. The preparation technology for the fully water-soluble calcium and boron fertilizers with superactivity achieves low manufacturing cost, is easy to operate, and exceptionally achieves practicability and popularization performance.

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.

The invention discloses a method for recovering light hydrocarbon and hydrogen from tail gas of a petrochemical plant. According to the method, firstly, the tail gas of the petrochemical plant is compressed and then condensed, and meanwhile condensed hydrocarbon substances are recovered; then, pressure swing adsorption is carried out on the remaining tail gas, and the hydrogen is recovered; afterwards, desorbed gas obtained after pressure swing adsorption is pressurized and condensed, meanwhile, condensed hydrocarbon substances are recovered, and the remaining tail gas enters a gas pipe network to be burned; and then, the hydrocarbon substances recovered two times enter a rectifying tower in a mixed mode to be separated, and therefore the C3 light hydrocarbon and the C4 light hydrocarbon are separated out. According to the method, the recovery rate of the hydrogen is higher than 88%, the recovery rate of the light hydrocarbon is higher than 90%, the purity of collected C3 is higher than 92 mol%, and the purity of collected C4 is higher than 99 mol%.

The invention discloses portable and extensible software architecture for hardware health status monitoring. An operating environment programming interface and a hardware access mechanism are abstracted and accessed in a unified mode through a dispatching integration layer, and flexible combination of various operating environments, various hardware platforms, various bus interfaces and various sensor chips is achieved through the combination of a compile time static allocation mechanism and a runtime dynamic detection mechanism. The architecture comprises the operating environment programming interface layer, a hardware abstraction layer and the dispatching integration layer. According to the portable and extensible software architecture, the operating environment programming interface and the hardware access mechanism are abstracted and accessed in the unified mode through the dispatching integration layer, and flexible combination of various operating environments, various hardware platforms, various bus interfaces and various sensor chips is achieved through the combination of the compile time static allocation mechanism and the runtime dynamic detection mechanism. The portable and extensible software architecture is simple in mechanism and high in portability and extensibility and has practicability.

The invention discloses a supporting plate for a pressure container. The supporting plate comprises a semicircular fixing panel. Automatic dampers are fixed to the outer wall of the lower end of the semicircular fixing panel. Each automatic damper comprises a spring connector, an upper supporting rod, a spring, a lower supporting rod and a spring fixing plate, wherein the spring connector is fixedly arranged at the upper end of the outer wall of the spring, the spring is fixedly arranged at the upper end of the outer wall of the spring fixing plate, and the lower supporting rod is fixedly connected to the upper end of the outer wall of the spring fixing plate. According to the supporting plate for the pressure container, a pressure container annular fixing rod can automatically fix the pressure container through connection between an annular rod clamping shaft and an annular rod clamping groove, the fixing manner is safer, swinging of the container can be effectively prevented, and safety is improved; due to a detachable fixing plate, a fixing support can be convenient to replace so that the supporting plate can adapt to different terrains, convenience is brought to operators; and due to the automatic dampers, some vibration generated by the pressure container can be absorbed.

The invention provides a preparation method of an intelligent insulation material with low packing ratio and non-linear conductance characteristics. The method comprises steps as follows: (1) surfacemodification treatment is performed on tetrapod-shaped zinc oxide whiskers; (2) a T-ZnOw / silicone rubber composite is prepared from raw materials including the tetrapod-shaped zinc oxide whiskers subjected to surface modification treatment and liquid silicone rubber in the volume fraction of 5%-12% of T-ZnOw. According to the method, the tetrapod-shaped zinc oxide whiskers (T-ZnOw) subjected to surface modification treatment are taken as fillers and mixed with the liquid silicone rubber, the intelligent insulation material with low packing ratio and good non-linear conductance characteristicsis prepared, the asymmetrical electric field can be regulated in a self-adaptive manner, uneven field intensity distribution of electrical equipment is improved, meanwhile, no degradation influence iscaused to other properties such as mechanical property of the liquid silicone rubber, and the tensile strength of the silicone rubber body can be enhanced.

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 belongs to special-purpose equipment for desertification control and drought control and discloses a water storage bag for desertification control and drought control. The water storage bag comprises a cloth bag, an adhesive cloth bag, an adhesive edge, and a sand holding bin, a pocket zipper and micro-pores. The water storage bag is novel in design, unique in structure, and wide in use. Water evaporation of closed ground surfaces of a desert area and a drought area is solved, key technologies of accumulating and collecting natural rainfall are utilized, the water storage bag is small in investment, easy to operate, quick in taking effects, high in effects, practical, and high in popularization.

The invention discloses an animal waste biologic abdominal conversion technology belonging to an animal excrement multiple-purpose project. The animal waste biologic abdominal conversion technology comprises the following steps of: sealing, collecting and placing animal waste into a pool; sealing and curing; inoculating house flies; culturing by oxygenating; extracting maggot; dehydrating a culture medium and transferring to the other pool; inoculating grubs; culturing by oxygenating; extracting grub pupa; inoculating earthworms; culturing by oxygenating; collecting the earthworms; sterilizing a substance or base fertilizer, dry-curing and packaging and putting in storage. The animal waste biologic abdominal conversion technology is novel in design, advanced in process and wide in application range. A key technology for multilevel comprehensive utilization of animal waste in cultivation industry at home and abroad is captured, and a new field for increasing the income through utilizing the animal waste is created. The animal waste biologic abdominal conversion technology is small in investment, easy to operate, rapid in effect and extremely high in practicability and generalization.

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 column product packaging equipment which comprises a hydraulic expansion rod, wherein the upper end outer wall of the hydraulic expansion rod is fixedly connected with a cover sealing machine; the cover sealing machine comprises a first three-phase asynchronous motor, a spring expansion plate, a bottle clamping device, a rolling plate and electric expansion rods; the electric expansion rods are electrically connected with a lower end outer wall of the first three-phase asynchronous motor; the spring expansion plate is fixedly connected with the lower end outer wall of the first three-phase asynchronous motor; the spring expansion plate is fixed between the two electric expansion rods; the bottle clamping device is fixedly connected with the lower end outer wall of the spring expansion plate and is fixedly arranged on the end side wall of each electric expansion rod; the lower end outer wall of the hydraulic expansion rod is fixedly connected with a fixed support column; one end side wall of the fixed support column is fixedly connected with a fixed support table; and a sliding material pipe is embedded on the end lower wall of the fixed support table. The column product packaging equipment is easy to operate and extremely has practicability.

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 method for recycling light hydrocarbon from tail gas of a petrochemical plant. The method comprises the steps that the tail gas of the petrochemical plant is compressed through a compressor and then condensed, and meanwhile hydrocarbon substances which are dissolved out after condensation are recycled; the tail gas with the hydrocarbon substances recycled is heated and enters a membrane separation device to be separated, the gas on the permeable side of the membrane separation device enters the tail gas raw material of the petrochemical plant to conduct circulation again, the gas on the non-permeable side of the membrane separation device enters a pressure swing adsorption system for pressure swing adsorption, non-adsorptive gas which is obtained after pressure swing adsorption is conducted is exhausted to the atmosphere or recycled, and adsorptive gas which is obtained after pressure swing adsorption is conducted enters the raw material tail gas to be circularly recycled or enters a gas pipe network to be burnt after being resolved. According to the method for recycling the light hydrocarbon from the tail gas of the petrochemical plant, the investment is small, the operating cost is low, the light hydrocarbon recovery is high, the purity of the recycled light hydrocarbon is high, up-to-standard release of the tail gas is achieved, and meanwhile useful substances are recycled, energy sources are saved, and larger economic value is achieved.

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 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.