63results about How to "Avoid premature aging" patented technology

The invention relates to the technical field of domestic appliances and especially discloses an electric heating pan with an inner pot detecting device. The electric heating pan comprises a controller, a base, an inner pot, an outer pot, a temperature sensor, a signal trigger and a signal generator, wherein the temperature sensor is located at the bottom in the outer pot and is stretchable; the signal generator is connected with the controller; the signal trigger is connected with the temperature sensor and moves up and down under the driving of the temperature sensor; the turning-on / off of the signal generator is controlled by the signal trigger by changing the position of the signal trigger; and the controller is used for judging if the inner pot is placed according to a turning-on / off signal sent by the signal generator. Meanwhile, the invention also discloses an inner pot detecting method for the electric heating pan. According to the electric heating pan provided by the invention, the detection for the inner pot is realized, the dry burning of the electric heating pan under the condition of absence of the inner pot is effectively avoided, the parts are prevented from being aged in advance, the service life of the electric heating pan is prolonged and the use safety is promoted.

The present invention provides a special composite particle slow-release fertilizer for rape. The fertilizer comprises the following components, by weight, 22kg of potassium chloride, 25kg of monoammonium phosphate, 45kg of ammonium chloride, 5kg of urea, 10kg of a slow-release agent, and 13kg of an attapulgite powder, wherein the slow-release agent comprises the following components, by weight, 4kg of polyvinyl alcohol, 3kg of formaldehyde, 2kg of bamboo carbon, 12kg of glyceryl ester, 4kg of poly lactic acid, 4kg of an amino resin, and 67kg of distilled water. The special composite particle slow-release fertilizer for the rape in the present invention has the following advantages that: the fertilizer contains a large amount of rich nitrogen, phosphorus, potassium, and other nutrient elements required by rape growth; the nutrients in the fertilizer can be stably released, such that the rape can absorb the nutrients balanced so as to improve yield and quality of the rape; and characteristics of low cost and environment protection are provided.

The invention discloses a novel efficient biochar-based water-retaining dedicated crop fertilizer, prepared from, by weight, 100-300 parts of urea, 350-500 parts of monoammonium phosphate, 100-300 parts of potassium chloride, 0-15 parts of calcium magnesium phosphate fertilizer, 40-100 parts of biochar, 0-30 parts of EDTA (ethylene diamine tetraacetic acid) chelated trace elements, 0-15 parts of polyglutamic acid, and 0-100 parts of additives. The preparation process of the fertilizer is simple, the fertilizer contains biochar, polyglutamic acid and various trace nutrients and can improve soil environmental conditions, land utilization and land maintenance are combined, crop yield is increased, and the fertilizer has high efficiency and zero pollution.

The invention discloses a nano sun-screen foundation cream and a preparation method thereof, which belong to the field of cosmetics and the processing technology thereof. The foundation cream is prepared by using water, 15-100 nano titanium dioxide, isopropyl myristate, polyoxyethylene-21 stearic alcohol ether, melissyl PVP, octodecyl alcohol, 5-100 nano iron trioxide, white oil, propanetriol, propanediol, polyoxypropylene-15 Stearic ether, milkvetch root extract, white beeswax, polydimethyl siloxane fluid, stearic acid monoglyceryl ester, vitamin E nicotinic acid ester, alose, acrylic acid polymer, diazolidinyl urea, acetaldehyde di-uride and essence. The nano sun-screen foundation cream has safety and good sun-screen effects, and has the functions of sun screen, after-sun repair and covering facial flaw.

Disclosed is a field management method for melon facility long-season cultivation. The method comprises the steps that dual-root-cut-grafting floating seedling growing is adopted; dual-vine pruning is carried out, and a robust secondary vine is selected to firstly bear one melon; after a first batch of melons expands, the other vine is made to bear one melon, old vines bearing melons are pruned off after the first batch of melons is mature and harvested, compound fertilizer and water are applied once to promote unfixed vines of plant roots to sprout and grow, one robust unfixed vine is selected and kept, foliage dressing is carried out, and vigorous growth of new vines is promoted; after a second batch of melons expands, the reserved new vines bear one melon, old vines bearing melons are pruned off after the second batch of melons is mature and harvested, compound fertilizer and water are applied once to promote the unfixed vines of the plant roots to regenerate, one robust unfixed vine is selected and kept as a melon bearing vine of the next batch of melons, and foliage dressing is carried out to promote vigorous growth of the next batch of melon bearing vines; the steps are operated repeatedly, and total at least five batches of melons are produced and harvested. According to the method, multiple melons can be harvested through one plant, and the aims of reducing cultivation links, being high in yield and efficient and achieving long-season cultivation can be achieved.

The invention discloses a slow-release fertilizer special for ecological wheat and a preparation method thereof. The slow-release fertilizer special for ecological wheat is prepared from, by weight, 15-22% of urea, 28-36% of monoammonium phosphate, 17-24% of potassium chloride, 8-14 % of ammonium nitrate phosphate, 1-3% of phosphoric acid, 2-5% of liquid ammonia, 1-3% of concentrated sulfuric acid, 4-10% of modified tapioca flour, 0.2-0.5% of fertilizer synergist, 3-5% of microelement fertilizer and 1-8% of auxiliaries. The slow-release fertilizer special for ecological wheat can supply sufficient nutrients to wheat, nutrient supply is lasting and coordinated, release of nutrient elements can be controlled, one-off fertilization can be achieved without topdressing, meanwhile, soil pollution cannot be caused, the quality of wheat is remarkably improved, and the yield of wheat is remarkably increased.

The invention discloses a method for reconstructing an Australia nut forest by a eucalyptus forest. According to the method, eucalyptus stumps are drilled, paraquat is sprayed after the eucalyptus stumps grow out new branches and leaves, chlorenchyma of the new branches and leaves rapidly absorb the paraquat, the new branches and leaves are died, hexazinone is sprayed onto the eucalyptus stumps, metabolic disorders of the eucalyptus stumps are achieved, the eucalyptus stumps can be killed under double actions of the paraquat and the hexazinone, urea and slat serve as rot agents, the concentration of the urea and the slat of the eucalyptus stumps and eucalyptus root systems is excessive, a protein structure is broken, the eucalyptus stumps and the eucalyptus root systems are further burnt under the conditions of high salt and ammonia and strong base, the eucalyptus stumps are poisoned, rotting of the eucalyptus stumps and the eucalyptus root systems is accelerated, a corrosion promotingagent is added, protein synthesis of the eucalyptus stumps is further interfered, rotting of the eucalyptus stumps and the eucalyptus root systems is promoted, compound fertilizers and leaf fertilizers are reasonably applied onto the planted Australia nut forest, and premature senescence of Australia nut trees can be effectively avoided.

The invention provides an animal behavior based multi-signal cross-area intelligent switching method and device and relates to intelligent switching among wireless area positioning, accurate GPS (global positioning system) system and base station positioning between a signal coverage area and a safety area, in particular to animal behavior based multi-signal cross-area intelligent switching so as to solve the problem that an existing positioning system carrier moves by crossing areas in high frequency to cause passive frequent switching of positioning signals and to avoid severe results that excessive consumption in electric quantity of a positioning device and hardware devices are aged in advance due to frequent switching of signals. The animal behavior based multi-signal intelligent switching method includes steps of 1, setting an overlapping area of the signal area and the safety area; 2, building a model for signal switching behaviors; 3, selecting basal ganglion channel model and parameters: selecting proper parameters to complete the basal ganglion channel model according to characteristics of positioning signals and the safety area and preferences of customers. The animal behavior based multi-signal cross area intelligent switching method and device are used for intelligent switching among the wireless area positioning, the accurate GPS positioning and base station positioning.

The invention discloses an energy-saving multi-load power distribution cabinet debugging method, and relates to the technical field of power distribution cabinets, and the method comprises the steps: a detection sensor is used for detecting the current working parameter information of a multi-load power distribution cabinet corresponding to the detection sensor and transmitting the current working parameter information to a server, the server packages the received data, carries out the processing priority value analysis of a data package, and transmits the data package to the server; the data packets are transmitted to the processing terminal in sequence, so that the data processing efficiency is improved; the processing terminal intelligently recognizes the power distribution cabinet with a high risk coefficient according to the risk coefficient and polls the power distribution cabinet with the high risk coefficient, so that the effects of early warning in advance and active defense are achieved; analyzing the content of the data packet, performing loss value analysis on the power distribution cabinet, and judging whether the power distribution cabinet needs to be maintained and debugged so as to improve the power utilization safety; the server is also used for carrying out temperature threat value analysis on the power distribution cabinet according to the temperature of the power distribution cabinet and the real-time environment temperature so as to remind management personnel, and the situation that the circuit is damaged and cannot work normally due to early aging or even melting of the circuit is avoided.

The invention provides a crane control circuit connection terminal box, relating to electric power corollary equipment. The crane control circuit connection terminal box comprises a box body, a box cover, a wiring table, a wiring board and a binding post; the wiring board is arranged on the wiring table and is provided with the binding post; the wiring table is arranged at the middle of the box body; the bottom of the box body is provided with a wire inlet and a wire outlet; after passing through the wire inlet and the wire outlet, a cable is fixed by a wire pressing plate; the box cover is arranged on the box body by bolts; the crane control circuit connection terminal box is characterized in that thermal insulation layers are arranged inside the box body and the box cover; the top of the box cover is provided with a ventilator and a one-way ventilation door. The crane control circuit connection terminal box has the characteristics of being novel in structure, simple and convenient in processing, low in cost, convenient in mounting, heat retaining, moistureproof, safe, reliable and the like, thus belonging to a novel crane control circuit connection terminal box integrating economical efficiency and practicability.

The invention relates to a preparation method of a chitosan multilayer coated wheat slow-release fertilizer. The preparation method comprises the following steps: uniformly mixing a fertilizer and auxiliary materials, adding into an acetic acid solution of chitosan, stirring until complete dissolution, and adding into a glutaraldehyde mixed solution of sodium alginate in a dropwise manner to formparticles with an inner coating layer; humidifying the particles with the inner coating layer, adding a chitosan outer coating material, uniformly coating the outer layer of the particles with the inner coating layer with the chitosan outer coating material to obtain particles with the outer coating layer, and finally drying, polishing and sieving to obtain the multilayer coated slow-release fertilizer. The multilayer coated slow release fertilizer prepared by the invention has slow / controlled release function, stably provides nutrition elements in a certain period of crop growth, completely provides fertilizer efficiency, reduces fertilizer loss, reduces the fertilization cost in crop planting, slows down soil degradation, and improves the quality and the yield of crops; and more importantly chitosan has good self-degradation function, does not cause any pollution to soil, and conforms to the concept of sustainable development.

The invention discloses a special active humic urea controlled-release compound fertilizer for garlic and a preparation method of the compound fertilizer. A low-activity humic acid raw material is used as a raw material, compound fertilizer production equipment is combined, urea and ammonium sulfate are used as active agents, the humic acid in the humic acid raw material is transformed and activated in an activating reaction tank by using a molten ammonium sulfate-urea solution to form an active humic urea solution, compound fertilizer production is combined, the active humic urea solution is sprayed onto compound fertilizer materials in a granulation barrel, rolling granulation, drying and screening are carried out, and the special humic urea controlled-release fertilizer product for the garlic is obtained. The compound fertilizer has the characteristics of simple operation process, low cost, high production capacity, bright and round granules, efficient release control of nutrients, high utilization rate and the like, can be used for greatly improving the yield and quality of crops and improving the fertilized soil, and has a very broad market prospect.

The invention discloses a beehive in the technical field of apis cerana breeding. The beehive comprises a base and a beehive body formed by a front plate, a rear plate, a bottom plate, a cover and side plates. A thermal preserving layer fitting the bottom plate is in slide connection between the base and the bottom plate; two partition plate groups are slidably connected to the upper surface of the base; each partition plate group comprises a thermal insulating plate, a thermal preserving plate and a retaining plate in sequential lamination, wherein one side of the retaining plate fits the corresponding side plate; grooves are uniformly distributed in one side of each side plate; a two-shaft motor is arranged in the base, two output shafts of the two-shaft motor are fixedly connected withrotating shafts in rotational connection with two gears, and the three gears are in clamping connection with the rotating shafts and meshed with the thermal insulating plates, the thermal preserving plates and the retaining plates through meshing teeth; a thermal preserving cover is in slide connection in a sleeve which is arranged on the base, the thermal preserving cover is positioned right above the cover, a connection rod is fixedly connected to the thermal preserving cover, and a rack meshed with one of the gears is hinged to the connection rod. By adoption of the beehive for apis ceranabreeding, the comb honey yield can be remarkably increased.

The invention relates to a special fertilizer for a rice soil measurement formula and a preparation method thereof. The special fertilizer for the rice soil measurement formula comprises the following components in parts by weight: 40-70 parts of urea-ammonium nitrogenous fertilizer, 20-30 parts of urea phosphate, 20-30 parts of potassium chloride, 5-10 parts of neutral water soluble silicon fertilizer, 0.2-0.6 part of zinc sulfate, 0.2-0.5 part of ferrous sulfate, 0.2-0.4 part of borax, 0.01-0.1 part of compound sodium nitrophenolate, and 0.5-1 part of auxiliary material. The special fertilizer for the rice soil measurement formula can offer complete and balanced nutrients for rice lastingly and harmoniously, can be applied once without topdressing, can remarkably improve the quality and yield of the rice, has obvious economic benefit, and is applicable to most soil in rice planting areas in China.

A full combination efficiency LED light is connected by a super interference absorber and a protective driving module, in which the super interference absorber is used for absorbing super interference signal; protective driving module is used for rectifing, filtering, stabilizing and changing level of the alternating 220V voltage, including rectifing circuit, filter circuit, stabilizer circuit, LED array driver, LED array circuit and energy-saving controller. The invention can limit the electric network super interference in a small range or stop it and separate from the LED array by LED array driver so as to avoid LED premature decay by the effect of interference signal and prolong the LED light service life. Furthermore, the invention gives up the driver level transition made up of micro-electronics element and having decompression element so that the power loss of the LED light is decreased notably and the combination efficiency is improved. Meanwhile, the invention can also avoid the power loss by resistance decompression.

A green new energy electric vehicle charging device comprises a supporting plate placed on the undersurface. A charging pipe body is fixedly mounted on the top surface of the supporting plate, a blocking plate is arranged above the charging pile body and fixedly connected with the top surface of the charging pile body through a plurality of vertical supporting rods, the blocking plate can block the charging pile body, a box is fixedly mounted on one side of the charging pile body, a first through hole is formed in each of upper and lower sides inside the box, a vertical rotating rod is arranged in the box, upper and lower ends of the rotating rod are fixedly connected with the corresponding first through holes through bearings, a charging cable is fixedly mounted at the lower end of one side of the charging pile body, and a second through hole is formed below each of two sides of the inside of the box. The device is reasonable in structural design and convenient in use, brings convenience to winding and unwinding the charging cable when in use, can protect the charging cable, prevent the charging cable from being wetted by rain and exposed to the sun, avoid the charging cable agingin advance and prolong service life of the charging cable.

The invention relates to an induction method of nitraria loose embryonic callus. The method comprises the following steps of: (1) scissoring a stem between two blades of a nitraria aseptic seedling, and inoculating the stem to a culture medium for carrying out induction of loose callus; (2) after 2-3 weeks, inoculating the induced loose nitraria callus to the culture medium for carrying out induction of embryonic callus; in the process of inducing the loose callus to the embryonic callus, carrying out successive transfer culture once per 5-8 days; and in the process of successive transfer culture, transferring callus blocks; and (3) carrying out successive transfer culture for 4-5 times so that the loose nitraria callus is changed to relatively hard callus, the color gradually changes from transparent white to milk white, yellow and finally peak green, and at the moment, viewing from the organizational structure, the callus is of a loose structure formed by many spheroids. When the callus with the characteristics occurs, the induction of the nitraria embryonic callus is finished. According to the method, by inducing the nitraria embryonic callus, an induction system of the standard nitraria loose embryonic callus is established.

The invention relates to the technical field of plant planting, in particular to a balcony plant conservation system. The balcony plant conservation system comprises a sensing module, a controller, analarm module and an executing module and is characterized in that the sensing module is used for detecting the actual environment parameters of a plant growth environment in real time; the input endof the controller is connected with the sensing module, and an input module for setting the required environment parameters of plants is connected to the controller; the executing module comprises anexecuting element for changing environment parameters, and the executing element us connected with the output end of the controller; the alarm module is used for prompting a user, and the output end of the controller is connected with the alarm module. By the balcony plant conservation system, the problem of planting failure caused by the fact that people do not have enough time to manage the plants during family or personal planting can be solved.

The invention belongs to the technical field of crop seeding, and particularly relates to a whole peanut fruit mechanized membrane side seeder and a seeding method. By screening the whole peanut fruits, the sizes of the whole peanut fruits are relatively consistent; the peanut seeds are soaked, and planted with the seedcases, so that the seedcases and sufficient moisture generated by soaking provide certain moisture and nutrition for germinating, soil jacking, seedling emerging and growing in the seedling stage of peanuts, meanwhile, soil-borne diseases are prevented, the seed kernels are protected by the seedcases in the seedling emerging stage, and thus infection of diseases and insect pests and damage to the seed kernels are deceased; plastic membrane mulching is conducted, seeding is conducted on the membrane side, and thus the procedure that the seedlings are released from the membrane after the peanut seedlings grow out is omitted; the drawbacks that the mulching film does not cover completely, and thus the seedlings are damaged seriously due to weeds are avoided, the technical problems that the to-be-planted whole peanut fruit seeds are low in specific weight so that the seeds cannot easily enter a seeding field from the seeder just depending on the gravity are solved by arranging the negative and positive pressure of the seeder, a plastic membrane mulching device is additionally mounted, three specifications of seed taking discs with the different specifications are arranged to adapt to treatment of the whole peanut fruit seeds with the different sizes, thus mechanized whole peanut fruit plastic membrane mulching membrane side seeding is achieved, and possibility of large-scale seeding is provided.

The present invention relates to a method for inducing a Blakeslea trispora aging strain to rapidly produce a large number of spores. The method comprises: (1) loading a semi-solid culture medium into a culture dish, inoculating the hypha of a Blakeslea trispora aging strain into the semi-solid culture medium, culturing for 24-48 h at a temperature of 25-30 DEG C in a dark environment with a relative humidity of 80-95% and an air flow rate of 0.5 L / min, then culturing for 12-24 h at a temperature of 10-20 DEG C, and growing spores or hyphae on the culture medium flat plate; (2) collecting and streaking the obtained spores or hyphae on another new semi-solid culture medium flat plate, and culturing for the same time as the step (1) in the same environment as the step (1); and (3) repeatedly performing the operations in the step (2), culturing 1-5 generations of the hyphae, and picking or collecting the spores so as to obtain a large number of the spores. According to the present invention, with the method, the spore yield is high, the spore production is rapid, and the problem that no spore or less spores is produced during the Blakeslea trispora (especially negative bacteria) culture process is effectively solved.

The invention relates to a rear position lamp device of the motor tricycle and the electrombile LED (light-emitting diode) and an application method thereof. According to the rear position lamp device of the motor tricycle and the electrombile LED and the application method, the total reflection of LED incident light is realized, the light utilization rate reaches 95%, rear position lamp light can be quickly clear light and shade, uniform and marked, and is easy in identification and judgment, and safe and reliable, the indicating quality and the beautifying effect are obviously improved, the power is reduced by 75%, the heat dissipation is easy, the premature aging and the breaking are avoided, the maintenance load and the cost are reduced, the service life is effectively prolonged by more than 2 times, energy is saved, the environment is protected, and the burden of eyes and the awareness in driving is greatly reduced. The rear position lamp device is composed of an LED reversing lamp light-transmitting mirror, LED drive-brake lamp combined light-transmitting mirrors, an LED steering lamp light-transmitting mirror, LED rear position lamp parabola reflecting mirrors, an LED rear position lamp integrated lamp plate, an LED rear position lamp heat dissipation insulated rear casing, LED wire lines and wire connecting terminals. The LED rear position lamp heat dissipation insulated rear casing is correspondingly arranged on one side of the LED reversing lamp light-transmitting mirror.

The invention discloses a tangential water-spraying temperature reducing technology for car tires. A micro controller, a temperature sensor and a water spraying device are included, the tangential water-spraying temperature reducing technology is technically characterized in that the water spraying device comprises a water storage tank, and the water storage tank is connected with a condensing water collecting device of a vehicle-mounted air conditioner through a pipeline or a hose; the micro controller can monitor temperature change of the tires during running in real time through the temperature sensor, and the water spraying device is automatically started to conduct water spraying temperature reducing and temperature limiting or temperature preservation on the tires according to the set water spraying temperature; and a point spraying mode is adopted by the water spraying device, the point spraying direction is the tangential direction. The tangential water-spraying temperature reducing technology for the car tires has the advantages that firstly, not only can automation of water spraying temperature reducing and temperature preservation be achieved, but also initiative water adding without manual labor is achieved, and not only is additional load capacity of the whole car avoided, but also addition oil consumption of the whole car is reduced; and secondly, the tangential water spraying technology is adopted, so that centrifugal splashing is avoided, water saving is achieved to the maximum extent, and the temperature reducing effect is remarkable.

The invention discloses a water-absorbing novel-material building wall, comprising a support bottom block. A channel is arranged in the top left of the support bottom block; a drain pipe is arranged at the bottom of the left inner wall of an inner cavity of the channel; the outer surface of an exterior wall is provided with a plurality of receiving holes; a sealing layer is movably connected to the right side of the exterior wall; the top of the support bottom block is movably connected with a fixing plate on the right side of the channel; the top of the support bottom block is movably connected with a water-absorbing layer on the right side of the fixing plate; the top of the support bottom block is movably connected with a partition on the right side of the water-absorbing layer; a fixing clamping device is rotationally connected to the bottom center of the inner cavity of the channel; a guide plate is smoothly connected to the inner surface of each receiving hole. The invention relates to the technical field of novel materials. The water-absorbing novel-material building wall is capable of absorbing indoor moisture and allowing to condense through the water-absorbing layer; theguide plates help collect the condensate which flows into the channel and out of the wall; a decorative layer on the surface of the wall is protected; premature senility of a building is avoided; safety of a power supply circuit in the wall is protected.

The invention provides a cotton planting slow release fertilizer. The cotton planting slow release fertilizer comprises inner-layer slow release fertilizer particles and an outer-layer slow release fertilizer envelope. The inner-layer slow release fertilizer particles are prepared from, by weight, 20-30 parts of urea, 10-20 parts of potassium chloride, 10-20 parts of ammonium chloride, 10-25 parts of ammonium sulfate, 10-20 parts of superphosphate, 5-10 parts of zinc sulfate, 10-30 parts of mixed phosphate fertilizer, 4-7 parts of bentonite, 2-4 parts of bauxite powder, 5-10 parts of borax, 2-10 parts of zinc humate, 2-8 parts of boron humate, 1-5 parts of calcium humate, 1-4 parts of magnesium humate and 1-2 parts of compound sodium nitrophenolate. The cotton planting slow release fertilizer is high in fertilizer efficiency utilization rate and low in cost, soil physical-chemical properties can be improved, nutrition supply is comprehensive and balanced, and nutrients are released coordinately and lastingly.

The invention relates to graphene heating oil and a preparation method thereof. The graphene heating oil is prepared from 93 to 97 weight percent of basic oil and 3 to 7 weight percent of graphene additives, wherein the sum of the basic oil and the graphene additives is 100 percent. The basic oil uses basic oil of alkylated arene or basic oil of the alkyl substituted arene; the graphene additivesare prepared from graphene, dispersing agents, oxidation and corrosion inhibitors, antirust agents and metal passivants. The heat conduction performance of the heating oil is effectively improved; thetoo fast aging due to too high temperature in the heating process is avoided. Compared with heating oil not subjected to preparation, the graphene heating oil has the advantage that the service lifeis prolonged for more than several times. The selected ingredients are heat conduction oil of alkylated arene or basic oil of the alkyl substituted arene as the basic oil. The method is suitable for mass production; the batch performance stability is ensured. In addition, the preparation method is simple; an automatic control system is used, so that the automatic operation can be realized.

The invention relates to the field of compound fertilizers for crops and in particular relates to a long-acting slow-released compound fertilizer for improving the quality of sesame. The compound fertilizer is prepared from the following raw materials by weight parts: 28-30 parts of urea, 10-12 parts of calcium superphosphate, 25-28 parts of potassium sulfate, 8-10 parts of ground cereals, 30-35 parts of organic compost, 2-3 parts of shrimp shell meal, 10-20 parts of ammonium nitrate, 1-3 parts of copper sulfate, 2-3 parts of zinc sulfate, 1-2 parts of lignosulfonate, 0.1-0.2 part of nanocarbon, 0.01-0.02 part of sodium benzoate, 10-13 parts of an organic silicon emulsion, 5-6 parts of dry jackfruit shells, 0.1-0.2 part of titanyl sulfate, 10-12 parts of plant ash, 5-7 parts of dry thinleaf adina fruit rhizomes, 3-5 parts of bauxite, 0.01-0.02 part of calcium propionate and 3-5 parts of aids. According to the slow-released compound fertilizer, an adsorbent is prepared from the raw materials such as the dry jackfruit shells and the dry thinleaf adina fruit rhizomes, organic matter fermenting liquid with rich active ingredients and the raw materials such as the aids are mixed with the adsorbent, and the effects of controlling the fertility and improving the fertilizer efficiency are achieved by virtue of a slow-released coating agent, so that the utilization rate of nutrients in the sesame is high, the nutrients are quickly accumulated, the product quality is improved, and the planting benefit is high.

The invention provides a method using young embryo to save and obtain distant hybrid of hydrangea macrophylla. According to the provided method, non-hardy hydrangea macrophylla (diamond) is taken as the female parent and hardy H. arborescence Annabelle is taken as the male parent to carry out interspecies hybridization; ovary culture is performed to rescue young embryo; and the obtained hybrid offspring is subjected to morphological identification and SSR identification. The provided method can prevent the phenomenon of embryo premature senility, which is caused by incompatibility, of distant hybrid. A large amount of interspecies hybrid offspring can be obtained through tissue culture. The interspecies distant hybridization of hydrangea macrophylla is achieved; novel species, which have a strong performance on resisting cold and a high ornamental value, are created; and the breeding period of hydrangea macrophylla is largely reduced.

The invention relates to a pressure sensor (1) having a sensor group (2) and a analyzing unit (5), the sensor group (2) having a receiver (22) and an electrode assembly (23) (5) having a circuit board (51), the base material of the circuit board (51) being electrically insulated, and the circuit board (51) is electrically connected to the analysis unit (5) (51) having a high temperature region (51.1) toward the sensor group (2) and a normal temperature region (51) of the back sensor group (2), the circuit board (51) having a specific through resistance greater than or equal to 1015 Omega cm at room temperature.

The invention discloses a tread pattern for a truck mine tyre. The tread pattern comprises transverse corrugated main pattern grooves which are circumferentially and uniformly distributed in a tread. Transverse corrugated large pattern blocks are formed between the adjacent transverse corrugated main pattern grooves. Each transverse corrugated main pattern groove comprises a crest pattern groove body and a trough pattern groove body which are located in the left side and the right side of the center line of the tread. The crest pattern groove bodies and the trough pattern groove bodies of the adjacent transverse corrugated main pattern grooves are connected through oblique auxiliary pattern grooves which are the same in oblique direction. The oblique auxiliary pattern grooves divide the corresponding transverse corrugated large pattern blocks into left small pattern block bodies and right small pattern block bodies. The centers of the bottoms of all the transverse corrugated main pattern grooves are provided with reinforcing rib blocks. The reinforcing rib blocks are connected with the small pattern block bodies opposite in oblique direction of the adjacent transverse corrugated large pattern blocks. The transverse corrugated main pattern grooves are wide and deep while the oblique auxiliary pattern grooves are narrow and shallow. The tread pattern for the truck mine tyre is high in ground gripping force, enough in rigidness, small in creeping temperature rise, good in heat dissipation performance and long in service life.

The invention discloses a long-lifetime LED drive circuit. A front-end protection module comprises a fuse, a surge current suppression circuit and a lightning protection circuit; and the phenomenon of damages to subsequent circuits caused by an external peak voltage or current can be avoided by combination of the fuse, the surge current suppression circuit and the lightning protection circuit, so that the usage duration of the drive circuit is ensured. A piezoresistor is arranged in the lightning protection circuit; when the voltage exceeds a threshold, the piezoresistor can effectively suppress an instantaneous high voltage; the drive circuit also comprises a corrugated compensation module; the LED light-emitting quality can be ensured; and the phenomenon of premature light attenuation is avoided. The long-lifetime LED drive circuit has the advantages of long usage duration and small deviation, and has high application value.