265results about How to "Warranty" patented technology

The invention discloses a water-based fluorocarbon top coat for wind-powered blades and a method for preparing the water-based fluorocarbon top coat and relates to the field of protective paint. According to the water-based fluorocarbon topcoat for wind powered blades, through compounding an hydroxyl acrylic emulsion and a water-based fluorocarbon emulsion and crosslinking hydroxyl acyclic acid with isocyanate so as to form a netted film, thus the coating adhesion, flexibility, chemical medium resistance, wear resistance of a coating are increased; due to the addition of the water-based fluorocarbon emulsion, the weather fastness of the coating is improved, and the gloss retention, color retention and chalking resistance of the coating are excellent; under the condition of stirring a water-dispersed isocyanate curing agent at a lower speed, an ideal emulsion is formed easily through mixing, thereby ensuring the performance of paint; and because of the introduction of a light stabilizer, the lightfastness, color retention and chalking resistance of the coating are improved.

The invention discloses a preparation method of graphite type carbon nitride nanotubes. The preparation method comprises the following steps: adding melamine powder into a high temperature-resistant container, and placing the high temperature-resistant container on a vibrator for vibration treatment; then adding a cover on the high temperature-resistant container, placing the high temperature-resistant container into a program heating control device, heating to a first preset temperature at a relatively high heating rate and keeping for a period of time; further heating the program heating control device to a second preset temperature at a relatively low heating rate and keeping for a period of time; and cooling an obtained product to room temperature, and then grinding to form powder so as to obtain the graphite type carbon nitride nanotubes disclosed by the invention. In the synthesis process of the preparation method, the addition of a template or additional organic matters is not required, the preparation method has the advantages of low price, high yield, good repeatability, no impurity interference of products and the like, is simple and easy to operate, and the prepared carbon nitride nanotubes have good fluorescence performance and photocatalytic performance, and have broad application prospects in the fields of nano devices, photocatalysis and the like.

The invention discloses a process for producing powdered milk comprising a multiple resistance nutrition immune optimization system (MRN immune optimization system), which comprises the following steps: carrying out pretreatment on raw material milk and preparing a mixture of docosahexaenoic acid and arachidonic acid; preparing a mixture of an immune protein G and lactoferrin; and adding the mixed materials according to a certain proportion and respectively carrying out homogenizing, sterilization, concentration, spray drying, fluidized bed drying, cooling and packing inspection on the obtained product. The powdered milk produced by the method of the invention mainly comprises the following ingredients: the immune protein (IgG), the lactoferrin (LF), fructooligosaccharide (FOS), oligomate (GOS) and five nucleotides. The invention improves the conventional production process. The fructooligosaccharide (FOS) and the oligomate (GOS) improve intestinal flora. The five nucleotides can keep the immune system of the human body. The mixed material is prepared from the immune protein G and the lactoferrin in an amplified ratio so as to not only guarantee the bioactivity of the immune protein G and the lactoferrin, but also guarantee the quality of the product.

The invention relates to a united synchronized method based on the two-dimensional short sliding self correlation, comprising: firstly, the receiving end processes the two-dimensional short sliding self correlation for the receiving serial; secondly processing the circulated frame synchronization by using the result of the self correlation operation; then, processing the timing frequency synchronization and the carrier frequency synchronization by using the frequency bias estimation and the carrier frequency bias estimation. The invention also relates to a corresponding receiving end of the united synchronized method. The technical solution of the invention provides the united synchronized method and the receiving end thereof, which can offer reliable and precise synchronization under the bad transmitting condition; the invention is suitable for the transmitting system having the part circulated characteristic for all the transmitting serials.

The present invention provides a modified waterborne epoxy resin by using 2, 2-bis (hydroxymethyl) propionic acid and diisocyanate and a preparation method thereof, the resin is prepared by reaction and synthesis at 50 to 65 DEG C after the mixing of 100 parts of epoxy resin, 10 to 12 parts of 2, 2-bis (hydroxymethyl) propionic acid, 15 to 17 parts of toluene diisocyanate and 50 to 60 parts of cosolvent according to the weight parts. The present invention also provides the preparation method of preparing emulsion varnish by the waterborne epoxy resin, the waterborne epoxy resin is neutralized by using the alkaline aqueous solution and is prepared into the stable waterborne epoxy emulsion with the solid content of 50 to 60 percent by emulsifying, and the curing agent is added, so the present invention can be used as the environment-friendly varnish. The waterborne epoxy resin which is prepared by the present invention has the technical characteristics of fine particles, high emulsion stability and high hardness of the cured products, etc., so the present invention can be widely applied to the coatings, adhesives, fine chemical additives and other fields.

The invention discloses an asphalt mixture regenerative heating rod and mixing roller, and belongs to the concrete stirring technical field. The invention has a tilted roller supporting frame, a rolling ring, a roller and a roller driving device, wherein, the rolling ring is sleeved on the roller and supported by a rolling wheel arranged on the roller supporting frame, a burner is arranged at the lower end of the roller, a material outlet is arranged on the roller at the lower part of the burner, a material inlet is arranged at the other end of the roller, and a smoke outlet is arranged on the roller; wherein, an inner screening tube is sleeved inside the roller positioned at the material inlet end, and the inner screening tube is connected with the roller, the outer peripheral wall of the inner screening tube is composed of a screening mesh, a circular filtering mesh is sealed at the end part on the inner side of the inner screening tube, the material inlet is communicated with the inner screening tube, and an asphalt nozzle is arranged inside the roller positioned below the burner at the outlet end. The invention has compact and rational structure and high heat exchange efficiency, does not require secondary breakup of the waste asphalt mixture, can directly heat the block shape waste asphalt mixture for recycling; and the regenerated asphalt mixture can be directly utilized.

The invention discloses a bifunctional group ion liquid, which comprises the following steps: hydroxy and its derivant group, quaternary ammonium salt cation of sulfonic group and anion of sulfonic acid group or sulfate radical. The ion liquid is stable to meet water with fitful viscosity and low cost, which creates condition for further modified or fixed ion liquid.

The invention discloses a glycerol monolaurate microcapsule as well as a preparation method and an application of the glycerol monolaurate microcapsule. The preparation method comprises the following steps that: the glycerol monolaurate and emulsifying agents are dissolved into water being 60 to 70 DEG C to obtain solution A; wall materials are dissolved into the water being 60 to 70 DEG C to obtain solution B; the solution A and the solution B are mixed when the solution A and the solution B are still hot, stirring is carried out, and emulsion is obtained; and the emulsion is subjected to homogenizing and spray drying to obtain the glycerol monolaurate microcapsule, wherein the emulsifying agents are at least one kind of materials from sucrose ester, granulesten and fatty acid monoglyceride; and the wall materials are a mixture of maltodextrin and high-molecular compounds. The method provided by the invention is simple and practical, the controllability is strong, and the microencapsulation efficiency on core materials is higher; and the prepared glycerol monolaurate microcapsule has good flowability, dissolution dispersibility and mouth feeling, in addition, the anti-bacterium effect is not obviously reduced, and the glycerol monolaurate microcapsule can be applied to infant formula powder and realizes the effects of enhancing the immunity and resisting the infection.

The invention provides a novel intelligent automatic electric mobile storage rack for a stereoscopic warehouse. The novel intelligent automatic electric mobile storage rack comprises uprights, beams, a dust shield, connecting knobs, ground, shifting devices, a sensor, a control device and a stepping motor; the beams and the uprights are vertically connected through the connecting knobs; the dust shield is fixed to the upper portions of the uprights; the shifting devices are arranged at the lower portion of the ground, the sensor is fixedly arranged at the lower portion of one of the uprights and is connected with the control device through a wire; and the control device is arranged at the middle position of the one upright. According to the novel intelligent automatic electric mobile storage rack, grooves, stop buckles, a display screen, a storage device and the sensor are arranged, so that stability of the guide rails is ensured, maintenance is facilitated, rolling wheels are buckled through buckles to enable the rolling wheels to be stopped, storage rack operation is convenient, whole screen operation can be achieved, information storage is ensured, manufacturing cost is reduced, the moving positions of the storage rack are detected through displacement changing, and thus the storage rack is controlled.

The invention provides a backlight module and a liquid crystal display. The backlight module comprises a backboard (11), a reflector plate (12), a light guide plate (13), and an optical film group (14). In the optical film group (14), the edge of an optical film (141) on the top is provided with a plurality of projections (142) extending outward. The backboard (11) comprises a bottom board (111), and a side plate (112). The side plate (112) is provided with a plurality of holes (113). The plurality of projections (142) respectively insert into the plurality of holes (113). The backlight module realizes a narrow frame, and prevents glue from leaking in gaps between the optical film group and the backboard when using a side edge glue dispensing method to fix the backlight module and a liquid crystal panel, thereby ensuring display effect and reliability of the liquid crystal display. The liquid crystal display is provided with the backlight module, and realizes a narrow frame, and prevents glue from leaking in gaps between the optical film group and the backboard, so the liquid crystal display has good display effect and reliability.

The invention belongs to the technical field of screen lamination, and particularly relates to a screen laminating method and system. The screen laminating method comprises the following steps: a, placing a display module and a glass panel on a positioning fixture; b, sucking the glass panel through an overturning mechanism and reversely placing the glass panel at the adhesive output end of an adhesive dispensing mechanism, wherein the adhesive dispensing mechanism is a linear adhesive dispensing valve; c, coating an adhesive on the glass panel in a surface coating way through the adhesive dispensing mechanism; d, sucking the glass panel through the overturning mechanism, placing the glass panel back onto the positioning fixture, and laminating the glass panel with the display module. Adhesive coating is performed through the surface coating way, so that the steps of adhesive scattering or levelling and the like in the existing pinhole type adhesive coating way are omitted, the operation time is saved, and the yield is increased; a UV (Ultraviolet) adhesive is pre-cured, so that the phenomena of adhesive leakage, the adhesive absence, edge unevenness and the like occurring in the laminating process of a liquid UV adhesive are avoided.

The invention relates to an oven, in particular to a multifunctional quick roasting oven. The multifunctional quick roasting oven comprises a box body. The front side of the box body is opened, a magnetron mounting box is arranged on the left side of the box body, a magnetron appointed to the box body is arranged in the magnetron mounting box, a heat isolating box is arranged between the magnetronmounting box and the box body, a columnar food bracket and a cake-shaped food bracket are arranged in the box body, the magnetron and a tubular electric heating component can be started at the same time, food is cooked quickly from inside to outside by means of microwaves generated by the magnetron, and food is roasted from outside to inside by means of heat radiated by the tubular electric heating component, and the magnetron and the tubular electric heating component improve the food processing efficiency. Meanwhile, the surface of the food forms hard scabs, so that heat of the food is prevented from being diffused, the food is crispy and sharp in taste, has certain hardness and is convenient to fetch and place. The oven is high in processing speed to quick-frozen food which needs not to be unfrozen. The processing step is simple. The multifunctional quick roasting oven can promote development of the quick-frozen food industry greatly and has relatively great promotion action to improve the living level of people.

The invention provides a method for improving the identification precision of kinetic parameters of a modularized robot joint, and the method comprises the steps: carrying out the kinetic modeling through a Newton-Euler method, and enabling an improved Fourier series motivation track to be applied to a device for improving the identification precision of the kinetic parameters of the modularized robot joint; collecting an angle value, an angular speed value and a moment value through a sensor unit; carrying out the differential operation through the angular speed measured by a tachometer, obtaining an angular acceleration value, and carrying out the preliminary processing of information; carrying out the parameter estimation, and substituting parameters into a kinetic equation for estimating the kinetic parameters. The method employs the multi-sensor fusion technology, achieves the direct real-time measurement of the angles of a joint end and a motor end through two absolute coders, and improves the safety of a device. The mode of direct measurement reduces the calculation burden of a control unit, thereby facilitating the implementation of the real-time control, solving problems of interference and error increase caused by the indirect measurement, and improves the parameter recognition precision.

The invention relates to an image coding method based on total variation, comprising the following steps of: (1) decomposing an input image (I) into a structure component (u) and a texture component (v); (2) analyzing the (u) at a coding end, selecting an analyzed area, mapping the (u) to the (v), and coding non-synthetic areas in the (u) and the (v) by using JPEG (Joint Photographic Experts Group) traditional coding mode; analyzing areas which need to be analyzed in the (v) by using a block connection method at a decoding end, v'' represents an analyzed result of a texture area, and u' and v' respectively represent compressed results of the non-synthetic areas in the (u) and the (v); (3) superimposing the u', the v' and the v'' at the coding end to obtain an image I', and I'' represents a result of the input image I which is compressed by the traditional FPEG; and under the same bit rate, judging whether the I' or the I''is nearer to the I by a JND (Just Noticeable Difference) model, then, if I'' is nearer to the I, reducing a decomposable model parameter lambda, returning to the step (1) to continue a whole process until the I' is nearer to the I as compared with the I'', finishing circulation, and selecting the I'. The invention can increase the coding quality of the image at the coding end.

The invention relates to the field of edible fungus planting, in particular to a planting method for enabling morchella vulgaris to fruit before the year. The invention adopts the technical scheme that the planting method for enabling the morchella vulgaris to fruit before the year comprises the following steps: selecting morchella vulgaris varieties; selecting out the morchella vulgaris varieties which early fruit as the to-be-planted morchella vulgaris varieties; performing land consolidation; building a sunshade shed; selecting proper humidity, time and attitude for morchella vulgaris planting: controlling the soil humidity within 48-52 percent, selecting a place with an attitude of 400-600 m and performing morchella vulgaris seeding in late October; building an arch-shaped shed; picking the morchella vulgaris in early January. The planting method for enabling the morchella vulgaris to fruit before the year, provided by the invention, overcomes the defects in the prior art and solves the problems that existing morchella vulgaris centralizes on listing after the year and is low in planting efficiency.

The invention belongs to the field of chemical detection and particularly relates to test paper for rapidly detecting nitrite and a preparation method and application of the test paper. According preparation method, the test paper for rapidly detecting the nitrite is prepared by taking a filter paper body as a carrier, a p-aminobenzene sulfonic acid solution and an N-1-naphthyl ethylenediamine hydrochloride as color developing agents, as well as an ethanol water solution of polyvinyl alcohol as a surface protectant and can be used for detecting the content of the nitrite. The test paper is low in cost, convenient and rapid to use and has long-term stability.

The invention relates to a COFs film material with a ultra-low dielectric constant, which belongs to the field of a dielectric material. The film material is the novel highly crystalline, uniform thickness, porous, flexible, moisture-resistant, ultra-low dielectric constant film material formed by reacting between two immiscible solution interfaces, and the dielectric constant can be as low as 1.19; and the regulation of properties and thickness can be achieved by regulating the composition and concentration of the components of two solutions. Compared with the conventional inorganic dielectric material and the organic high-molecular polymer dielectric material, the film material of the invention has the advantages of good stability of the inorganic dielectric material, low dielectric constant, as well as good flexibility and easy processing, good humidity resistance and the like, and develops the system of low dielectric constant dielectric materials.

This invention discloses a digital asynchronous clock reconstructing device composed of a digital signal input interface, digital signal output interface, an asynchronous FIFO storage, a non-volatile storage, a general processor, a first clock distributor, a second clock distributor, a first bandpass filter, a second bandpass filter, a digital frequency synthesizer and a high speed crystal oscillator, in which, the clock inputting digit signals is independent of the clock outputting digital signals, and an asynchronous buffer system is used to lag the output data behind the input data, so that, when short period of frequency or phase differences exists, the DDS is used to re-generate output clock to distribute chips to further improve qualities of the output clocks, a general processor is used to tune the output frequency of the DDS to eliminate long time of frequency difference between input and output digital signal clocks to avoid overflow of the asynchronous buffer or empty.

The invention relates to an energy saver for base station machine room air conditioners. The invention solves the problems of high power consumption and short service life in the existing air conditioner. The energy saver comprises a shell and an automatic control loop assembled in the shell. The invention has the technical points that a temperature acquisition control unit is arranged in the automatic control loop, and a room temperature sensor and a return air inlet temperature sensor and an air outlet temperature sensor transmit the acquired temperature analog values in three ways: the temperature analog value in the first way is converted into a digital signal through an analog-to-digital conversion chip; the temperature analog value in the second way is converted into a voltage signal through a current / voltage conversion chip of an operating mode control unit; and the temperature analog value in the third way is converted into a voltage value through a current sensor in a fault detection and recovery unit, and a pulse driver in a temperature compensation unit emits a pulse signal to drive the semiconductor refrigerator to work, thereby carrying out real-time dynamic compensation control. Due to the reasonable structural design, the invention can automatically adapt to the change of the operating state of the air conditioner, quickly display the fault, realize automatic fault recovery, obviously prolong the service life of the air conditioner and enhance the energy saving effect.

The invention belongs to the field of health-care food processing and particularly relates to a technical method of vacuum freeze drying roses. A reparation method of the vacuum freeze drying roses is mainly characterized by comprising the following steps of a, picking roses; c, performing vacuum freeze drying on the roses, i.e. vacuumizing until the pressure is 15 to 25kPa, meanwhile, starting refrigeration, reducing the cold trap temperature of a vacuum freeze drier to 40 DEG C below zero to 65 DEG C below zero within 2 to 4 hours, keeping for 0.5 to 2 hours, and raising the temperature of the roses to 0 to 15 DEG C within 9 to 30 hours to dry the roses. The original bright-colored color of the roses is kept, and the nutritional ingredients and the health-care effect of the roses are kept to the greatest degree. The method has the advantages that the damage to the effective components for bioactivity of the dried roses is very low, the appearance of the dried roses is well kept, the nutritional ingredients and the active substances of the roses are kept, the moisture content is low, sugar content is high, and the roses are reddish and bright in color and luster, crystal clear and convenient to convey and store for a long time.

The invention provides a mechanical hand metering, filling and packaging device which comprises a base. A storage frame internally provided with a packaging bag is arranged on one side of the base. A bag taking device is arranged at the bottom of the storage frame. A filling device is arranged on the other side of the base. A first mechanical hand used for taking the packaging bag and a second mechanical hand for material filling are arranged between the storage frame and the filing device. The filling device comprises a material loader, a hopper and a bag opening device which are sequentially arranged in the vertical direction, and further comprises an electronic balance used for weighing. The mechanical hand metering, filling and packaging device is composed of the two associated mechanical hands, the loader is grabbed by the second mechanical hand for being weighed on the electronic balance, at the same time, the first mechanical hand takes out the packaging bag from the storage frame, the packaging bag is placed at the filling position, the bag opening device opens a bag opening, the hopper is arranged in the bag in a sleeved mode for filling, a paw of the second mechanical hand is rotated to the filling position after weighing is accurate, the loader is turned by 90 degrees and swung downwards, and materials are thrown into the package through the hopper; after filling is finished, the bag is discharged out for the next cycle.

The invention relates to a sagger used for high-temperature firing and a preparation method of the sagger. The sagger used for high-temperature firing is formed by performing mixing forming by using aluminum oxide powder, kaolin powder, clay powder, white corundum, quartz and mullite as raw materials and performing high-temperature firing. The sagger used for high-temperature firing provided by the invention has a good thermal shock effect, low costs and long service life, and can maintain the crack resistance, uniformity and quality stability of a product during mass production, and is suitable for use in environments with larger temperature differences; the sagger used for high-temperature firing provided by the invention is produced during high-temperature firing, and compared with a sagger formed by synthesizing quartz and mullite in advance and performing mixing forming on the market, the sagger provided by the invention has a more uniform finished-product phase, better color andthermal shock stability, and a small phase thermal expansion coefficient, thereby having extremely high thermal shock stability; and the quartz is added, so that the thermal shock performance can be improved.

The invention belongs to the technical field of mobile terminals, and provides a mobile terminal camera running method and device. The method comprises the steps that in a first shooting mode, an object in the first shooting mode is established; when a shooting mode switching instruction is detected, the object established in the first shooting mode is destroyed; the first shooting mode is quitted, the first shooting mode is switched into a second shooting mode, and an object in the second shooting mode is established. According to the mobile terminal camera running method and device, when the shooting modes are switched, the internal storage occupied by the shooting mode needs to be recycled when the original shooting mode is quitted, the internal storage occupied by the shooting mode needs to be applied when the original shooting mode is switched into the new shooting mode, and therefore the low occupation rate of the camera application to the internal storage of the mobile terminal is constantly kept, and the stability and smoothness situation of a mobile terminal system can be guaranteed.

The invention discloses a fruit and vegetable dehydrator which comprises a machine frame. The machine frame is fixedly provided with a cylinder, a screen drum is arranged in the cylinder, a liquid outlet annular groove is formed in the position, corresponding to liquid outlet space, of the lower portion of the cylinder, the bottom of the liquid outlet annular groove is provided with a liquid outlet hole, the drum wall of the screen drum is evenly provided with multiple screen holes, the bottom of the screen drum is fixedly connected with a bottom plate which seals the bottom of the screen drum, the bottom of the bottom plate is connected with an output shaft of a dehydration motor and is driven to rotate through the dehydration motor, the cylinder is connected with a vertical brush shaft rotatably in the liquid outlet space, the surface of the brush shaft is fixedly connected with bristles, the bristles are attached to the outer surface of the screen drum, the bottom plate is provided with a discharging opening, a door capable of sealing the discharging opening is hinged to the bottom face of the bottom plate, and opening and closing of the door are driven by the cylinder fixedly connected with the machine frame. By means of the arrangement of a material poking shaft and a martial poking arm, fruits and vegetables in the screen drum are evenly distributed, the dehydration effect and dehydration efficiency of the screen drum are greatly improved, the fruits and the vegetables are not damaged, appearance of the fruits and the vegetables is guaranteed, and meanwhile production efficiency is improved.

The invention provides an ecological flower growing method before extracting of aroma substance of sweet osmanthus. The ecological flower growing method is realized by the following steps: 1) picking up flower buds about to bloom in 1-3 days, placing the flower buds into a common cloth bag; 2) placing the common cloth bag into a room temperature and humidity of which can be controlled, wherein the temperature is controlled to be 20-45 DEG C: controlling the temperature to 25-30 DEG C for 3-6 hours, controlling the temperature to be 30-40 DEG C for 3-6 hours and then controlling the temperature to be 40-45 DEG C for 3-6 hours, and controlling the humidity to be 50-85%, and controlling lights to cause the flowers to bloom by utilizing a fluorescent lamp; 3) carrying out an adsorption process, namely packing the bloomed flowers and an adsorbent into a closed container in the manner that 0.5-1kg of adsorbent is packed for every kilogram of flowers and a flower layer and an adsorbent layer are alternately accumulated, adsorbing aroma for 5-10 hours, after the aroma is completely adsorbed, taking out the adsorbent and placing the adsorbent into a container, and storing the adsorbent at the temperature of 4-10 DEG C in a sealing manner; 4) extracting aroma in the adsorbent by adopting a CO2 liquid supercritical or soaking method.

An article includes a first electrically-conductive circuit-path and a second electrically-conductive circuit-path. A portion of the first circuit-path is positioned proximally adjacent a portion of the second circuit-path at a first predetermined hole location. A first electrically-insulating barrier layer is interposed between the first circuit- path and second circuit-path at the first hole location, and the first circuit-path is conductively connected to the second circuit-path at the first hole location by filling the hole with a conductive filler. The conductive filler is configured such that the first circuit- path is conductively connected to the second circuit-path at the first predetermined hole location to form an interconnecting conductive filler-path between the first circuit-path and the second circuit-path.

The invention provides a water glass curing agent and a preparation method and application thereof. The water glass curing agent comprises aluminum phosphate, zinc oxide modified shell powder, powderysilicic acid / silica fume and barium sulfate according to a mass ratio of aluminum phosphate to zinc oxide modified shell powder of (4-7): (1-2), a mass ratio of aluminum phosphate to powdery silicicacid / silica fume of 7: (1-2) and a mass ratio of aluminum phosphate to barium sulfate of (4-7): (0.5-1). Through loading and sintering, the novel water glass curing agent is prepared. The preparationmethod realizes initial control of a curing speed of water glass and improves the water resistance and toughness after curing.

The invention provides paper for high-filler culture and a production method thereof. The method comprises the following steps of: beating and dispersing 25 to 60 weight parts of wood pulp, and then mixing the wood pulp and 40 to 75 weight parts of calcium silicate filler to obtain paper pulp; diluting the paper pulp by adding water to obtain mixed pulp A, wherein the paper pulp accounts for 5 to12 mass percent of the mixed pulp A; beating the mixed pulp A, and diluting the beaten pulp by adding water to obtain mixed pulp B, wherein the paper pulp accounts for 3 to 7 mass percent of the mixed pulp B; removing residue from the mixed pulp B, and then adding a reinforcing agent, a dispersant and a retention and filtration aid to obtain mixed pulp C; diluting the mixed pulp C by adding waterto obtain mixed pulp D, wherein the paper pulp accounts for 0.3 to 4 mass percent of the mixed pulp D; and manufacturing the paper for the culture with the mixed pulp D by using a papermaking machine. The paper for the high-filler culture solves the problem of low filler adding amount in the prior art.

The invention discloses a rainwater shielding shed with a function of collecting rainwater to overcome the shortcomings of the existing technology. The rainwater shielding shed well avoids the problem that the rainwater scours the ground surface to cause water and soil loss and is simple in structure, the rainwater can be recycled, and the cost is low. The adopted technical scheme is as follows: each middle stand column is arranged corresponding to two side stand columns, an upper supporting rope and a lower supporting rope are fixedly arranged between the top of each middle stand column and the top of each of the two corresponding side stand columns at an interval, rainwater shielding curtains are arranged between the upper supporting ropes and the lower supporting ropes, and the top portions of the rainwater shielding curtains are fixed on the middle stand columns to form a ceiling; the lower end edges of the rainwater shielding curtains are fixedly provided with cross beams, the cross beams are also arranged between the upper supporting ropes and the lower supporting ropes, the cross beams and pull ropes are fixed, when a driving device works, the cross beams drive the rainwater shielding curtains to open and close, each cross beam is of a groove structure, and the groove structures open upwards. Rainwater guided through the rainwater shielding curtains is collected through cross beam grooves and then collected to water collecting containers on the ground through rainwater funnels and drainage pipes.

The invention discloses a modified bituminous concrete and a preparation and construction method thereof. The modified bituminous concrete is composed of, by weight part, 350-400 parts of coarse aggregate, 70-100 parts of fine aggregate, 30-35 parts of asphalt, 40-50 parts of filler, 1-3 parts of wood fiber, 3-5 parts of glass fiber, 2-4 parts of chitosan and 0.5-2 parts of polyoxythylene. The preparation method of the modified bituminous concrete comprises, firstly, processing, drying and then preheating the coarse aggregate, the fine aggregate and the filler to 170 DEG C, and heating the asphalt to 160 DEG C; secondly, mixing and stirring the glass fiber into the mixture obtained in the first step for 25-35 seconds, then adding in liquid asphalt for stirring for 80-100 seconds, and then adding in the wood fiber and the chitosan for stirring for 100-120 seconds to obtain the modified bituminous concrete in a loose state; lastly, performing shaping through a roll-forming method. The modified bituminous concrete can maintain good temperature resistance at high or low temperature to effectively avoid asphalt volatilization at high temperature as well as concrete cracking at low temperature, prolong the service life of concrete and facilitate preparation.