81 results about "Paper mulberry" patented technology

The invention discloses a water-resistant broussonetia papyrifera leaf protein wood adhesive and a preparation method thereof, and the water-resistant broussonetia papyrifera leaf protein wood adhesive comprises the following components by weight: 2.4 parts of a protein denaturant I; 0.3 part of a protein denaturant II; 120 parts of a dispersion medium; 30 parts of a broussonetia papyrifera leaf protein extract; and 30 parts of a cross-linking agent. The preparation method comprises the following steps: mixing the protein denaturant I, the protein denaturant II and the dispersion medium, fully dissolving, adding the broussonetia papyrifera leaf protein extract, heating at constant temperature, adding the cross-linking agent into the mixture, and continuously heating at constant temperature for reaction to obtain the water-resistant broussonetia papyrifera leaf protein wood adhesive. The wood adhesive is prepared by taking the broussonetia papyrifera leaf protein as a main raw material, a new raw material source of the biomass-based wood adhesive is developed, the problems of raw material greenization, low cost and sustainable supply are solved, and the economic utilization value of broussonetia papyrifera resources is also remarkably improved; the preparation method is simple, and the prepared broussonetia papyrifera leaf protein wood adhesive has excellent water resistance, mechanical strength and comprehensive performance.

The invention discloses a broussonetia papyrifera source ecological pesticide or growth promoting agent and a preparation process thereof.The broussonetia papyrifera leaf extract is prepared from broussonetia papyrifera leaves, ethyl alcohol, dichloromethane, ethyl acetate and n-butyl alcohol, and the preparation process of the broussonetia papyrifera source ecological pesticide or growth promoting agent comprises the following steps that broussonetia papyrifera leaf raw materials are prepared; extracting a paper mulberry leaf raw material by using alcohol, adding petroleum ether to extract the solution collected in the step 2, collecting the obtained solution, adding dichloromethane to the solution collected in the step 3, adding ethyl acetate to the solution collected in the step 4, adding n-butyl alcohol to the solution collected in the step 5, collecting the obtained extract, and drying to obtain the paper mulberry leaf extract. Purifying the final extract of the broussonetia papyrifera leaves to prepare a pesticide or a growth promoting agent. According to the tree source ecological pesticide or the growth promoting agent and the preparation process thereof, the pesticide or the growth promoting agent is prepared from the extracts of the paper mulberry leaves, so that the germination of appressorium of pyricularia grisea spores of rice blast can be inhibited, the effect of promoting the growth of rice is achieved, and the yield of the rice is increased.

The invention discloses stirring and uniform mixing equipment for broussonetia papyrifera processing, and relates to the technical field of broussonetia papyrifera stirring, the stirring and uniform mixing equipment comprises a base, a bearing frame, a raw material barrel and a raw material stirring mechanism, the raw material stirring mechanism comprises an air cylinder, a stirring plate blade is fixed to an output shaft of a driving motor, and the stirring and uniform mixing equipment further comprises a conversion type material receiving mechanism and a covering mechanism; through the arrangement of the conversion type material receiving mechanism, in the process that the air cylinder is started, the acting mounting plate, the driving motor and the stirring plate blades integrally move downwards, a deflection rod in the conversion type material receiving mechanism rotates under the action of an extrusion rotation supply part, so that a material receiving box deviates from the position under the stirring plate blades, on the contrary, after the stirring plate blades complete raw material stirring, the air cylinder is started, and the material receiving box rotates; and when the conversion type material receiving mechanism retreats from the inside of the raw material barrel, a deflection rod in the conversion type material receiving mechanism can reversely rotate under the action of a rerotation part, so that the slurry dripping from the stirring plate blade is conveniently received from the lower part, and the slurry is prevented from dripping onto the base in the raw material barrel replacement process, polluting the surface of the base and causing material waste.

The invention provides filter element base paper of a full-plant fiber paper filter stick, a preparation method of the filter element base paper and a paper filter stick. The preparation raw materials comprise mixed plant fiber pulp and a sizing auxiliary agent, plant fibers in the mixed plant fiber pulp comprise coniferous wood fibers, bamboo fibers, mulberry bark fibers, paper mulberry bark fibers and jute fibers; the coniferous wood fiber accounts for 40-96% of the mass of the plant fiber; the bamboo fiber accounts for 1-50% of the mass of the plant fiber; the mulberry bark fiber accounts for 1-50% of the mass of the plant fiber; the paper mulberry bark fiber accounts for 1-50% of the plant fiber by mass; the jute fibers account for 1-50% of the plant fibers in mass. The raw paper is prepared from the mixed plant fibers in a specific proportion, so that the on-machine adaptability of paper filter stick forming equipment can be met, and the paper filter sticks which are good in appearance and stable in circumference and pressure drop are prepared.

1. Name of the Design Product: Artistic Paper Mulberry Lamp. 2. Use of the Design Product: The design product is used for lighting. 3. Design Key Points of the Design Product: The combination of shape and pattern. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective View 1.

The invention belongs to the technical field of aquaculture, and particularly relates to a fermented feed for improving the growth performance of aquatic animals and a preparation method thereof. The preparation method of the fermented feed for improving the growth performance of the aquatic animals comprises the following steps: (1) preparing maggot powder; (2) weighing soybean meal, orange peel powder, corn starch, maggot powder, paper mulberry bark pulp, sodium selenite and monopotassium phosphate to obtain a fermentation medium; (3) inoculating the schizophyllum commune liquid into the fermentation culture medium in the step (2) to obtain a fermentation mixture; and (4) adding lactobacillus plantarum liquid, sucrose fatty acid ester, phospholipid and sunflower bud extract into the fermented mixture in the step (3), and fermenting for a period of time to obtain the fermented feed. By feeding the grass carps with the prepared fermented feed, the growth and development capability of the grass carps can be promoted, the immunity of the grass carps is improved, and the fermented feed has a wide application prospect.

The invention provides a culture medium for reducing the content of broussonetia papyrifera esterase and a tissue culture method, and belongs to the technical field of broussonetia papyrifera tissue culture. The culture medium for reducing the content of the broussonetia papyrifera esterase provided by the invention comprises an induction culture medium, a proliferation culture medium, a differentiation proliferation culture medium and a rooting culture medium, wherein the induction culture medium is composed of an MS culture medium, 6-BA and IAA; the proliferation culture medium is composed of a 1 / 2 MS culture medium, NAA, KT and IBA; the differentiation and proliferation culture medium consists of a B5 culture medium, folic acid, TDZ, 2, 4-D, sucrose and agar; the rooting culture medium consists of an N6 culture medium, gibberellin 3, ethylene, IAA, cane sugar and carrageenan. The culture medium and the tissue culture method provided by the invention can promote more than 98% of adventitious buds to root, ensure that the survival rate is more than 98% after acclimatization and transplantation, not only can effectively reduce the content of lignin in paper mulberry tissue culture seedlings, but also cannot influence the normal growth of the paper mulberry tissue culture seedlings.

The invention discloses a hybrid broussonetia papyrifera silage raw material processing device which comprises a conveying and drying mechanism, and a drying machine is mounted at the top of the conveying and drying mechanism and used for drying movably conveyed hybrid broussonetia papyrifera; the filament rubbing mechanism comprises a chopping section chamber and a filament rubbing chamber, and the bottom surface of the chopping section chamber inclines downwards towards the filament rubbing chamber in an arc shape; the packaging mechanism comprises a material opening self-sealing mechanism and a material guiding channel, a material falling opening is formed in the material guiding channel, the material opening self-sealing mechanism is installed at the material falling opening, the material guiding channel is connected with a packaging bag, and the packaging bag accommodates materials conveyed by the material guiding channel; wherein the conveying and drying mechanism is connected with one end of the rubbing mechanism, and the other end of the rubbing mechanism is connected with the packaging mechanism. The broussonetia papyrifera shredding device has the advantages that the broussonetia papyrifera can be cut after being dried and then shredded, and the broussonetia papyrifera can be packaged and stored after shredded.

The invention discloses a preparation method of a nano organic water-soluble fertilizer based on paper mulberry leaves. The preparation method comprises the following steps: S1, preparing raw materials: taking a plurality of healthy and mature paper mulberry leaves; s2, raw material pretreatment: crushing the prepared paper mulberry leaves, soaking the crushed paper mulberry leaves in a potassium fulvate solution, and adding xylanase; s3, staged temperature control decomposition; and S4, nano-chelating: filtering the decomposition liquid through a ceramic membrane, mixing the filtered decomposition liquid with 0.1% of sodium alginate and 0.05% of siloxane nanotubes, and carrying out self-assembly in a microfluidic reactor according to a flow rate ratio of 10: 1 to obtain a stable nano-fertilizer liquid. Through the combination of potassium fulvate and xylanase, the autolysis effect of cell walls of the paper mulberry leaves is activated, the degradation rate is increased, meanwhile, nano humic acid and plant endogenous stress-resistant factors are generated, then through temperature gradient regulation and control, staging product directional conversion is achieved, and finally, plasma activated water is adopted as a solvent, so that the growth of the paper mulberry leaves is promoted. And carrying out supramolecular self-assembly on the decomposition product, sodium alginate and siloxane nanotubes to form the nano-micelle.

The invention belongs to the technical field of biological medicines, and particularly relates to a screening preparation method and application of a paper mulberry branch extract with anti-inflammatory and antioxidant activity. According to the invention, the antioxidant and anti-inflammatory active sites in the paper mulberry branches are systematically screened and separated for the first time on the basis of an activity-oriented / spectrum-effective separation technology. According to the technical scheme, the steps of separation operation are effectively simplified, the loss of compounds in separation is reduced, and the consumption of a separation mobile phase and filler is reduced. Meanwhile, activity-oriented separation can improve the probability of finding active compounds and reduce the cost of determining and obtaining the activity of the compounds, and the method has good practical application value.

The invention discloses an external hanging type intelligent broussonetia papyrifera leaf-stem separating and harvesting robot for purchasing feed, and belongs to the field of intelligent agricultural instruments. The robot comprises a vehicle body, a cutting and conveying winch, a front shaft cover, a motor, a shifting and clamping piece and an inserting door, and efficient separation and harvesting of paper mulberry leaves and stems are achieved through intelligent control. The front part of the vehicle body is provided with a collecting guide part and a shifting guide part, and the rear part is provided with a branch cutting part; the cutting and conveying auger is used for stripping and conveying leaves through an auger, a reamer and a shifting blade; the shifting and clamping piece is driven by the cutting and conveying winch to swing to assist branch separation and prevent the cutter from being stuck; the inserting door can adjust opening and closing of the discharging opening. Leaves can be stripped by rotating the reamer in spring and summer, and branches are kept for continuous growth; branches are cut off after leaf picking in autumn. According to the design, the problem of waste of traditional harvested biomass is solved, annual utilization of broussonetia papyrifera resources is realized, and meanwhile, the palatability of the feed is improved through a leaf-stem separation structure. The robot is of a modular detachable structure, different harvesting requirements are met, and the production efficiency and economic benefits of paper mulberry feed are remarkably improved.

The present invention belongs to the field of feed production technology, and in particular relates to a crushing and beating machine for paper mulberry fermented feed, comprising a box body, a crushing sleeve fixedly provided inside the box body, a pressure plate slidingly provided on one side of the crushing sleeve, an outer wall of the crushing sleeve rotatably connected to an end thereof away from the pressure plate, and a baffle fixed to the end of the connecting ring, a movable plate provided on one side of the baffle, and a plurality of crushing hollow tubes fixedly plugged into the end face of the movable plate. The present invention can crush and beat paper mulberry leaves by extrusion and tubular plug-in, and the quality of the crushing is stable without the need for repeated crushing. At the same time, the squeezed liquid can be directly separated from the crushed leaves without the need for subsequent solid-liquid separation. The use is simple and the overall efficiency is higher. The crushed leaves can also be air-sorted to separate the stems to prevent the stems from damaging the intestines and stomachs of young livestock.

The utility model relates to the technical field of broussonetia papyrifera feed drying equipment, in particular to broussonetia papyrifera feed drying equipment which comprises a supporting column, a first motor is fixedly installed on the surface of the supporting column, a first gear is fixedly installed at the output end of the first motor, a rack is connected into the supporting column in a sliding mode, and a box body is fixedly installed at the top end of the rack. A third motor, a fourth gear, a fifth gear, a first sliding block and a first screw are arranged to control left-right movement of a baffle, so that paper mulberry feed is blocked in a rotary drum through the baffle, and the situation that the paper mulberry feed falls into a discharging hopper under the condition that drying is not completed, and consequently the quality of the paper mulberry feed is seriously affected is avoided; and then a motor I, a gear I and a rack are arranged to control the box body to incline towards the discharging hopper, so that the paper mulberry feed can easily enter the discharging hopper after being dried, and the situation that the staying time of the feed in equipment is prolonged, so that the smoothness of a production line is blocked, and the efficiency of the whole production process is influenced is avoided.

The invention discloses a method for producing protein feed by applying a processing device. The method comprises the following steps: S1, preparing a paper mulberry and corn mixture-gt; s2, preparing a mushroom dreg culture medium-gt; s3, carrying out mixed culture on the fermentation product-gt; s4, preparing a fermentation mixed culture medium-gt; s5, carrying out mixed fermentation-gt; and S6, drying, weighing and packaging. According to the invention, the protease produced by the maltomycete is mainly excision enzyme, the protease produced by the bacillus amyloliquefaciens is mainly excision enzyme, and the maltomycete and the bacillus amyloliquefaciens are fermented together, so that the degradation of crude protein of the paper mulberry is facilitated. Besides, the maltomycete can produce protease and also can secrete other enzyme systems, the phytase can improve the absorption of mineral elements, the cellulase can degrade non-starch polysaccharides, and the prepared vegetable protein fermented feed is convenient for animals to digest and absorb.

The invention discloses a traditional Chinese medicine preparation for treating intractable skin diseases and a preparation method of the traditional Chinese medicine preparation. The traditional Chinese medicine preparation is prepared from the following raw materials in parts by weight: 10-50 parts of paper mulberry leaves, 10-50 parts of rhizoma smilacis glabrae, 10-30 parts of euphorbia cordifolia, 10-30 parts of trichosanthes kirilowii roots, 10-30 parts of spina gleditsiae and 3-5 parts of liquorice. The traditional Chinese medicine preparation is specially used for treating (conditioning) intractable skin diseases such as eczema, psoriasis (psoriasis), allergic dermatitis, lupus erythematosus and the like, is high in cure rate and small in side effect, and solves the problem that no medicine can treat the intractable skin diseases in the world.

The application discloses fermented broussonetia papyrifera feed for improving growth performance and meat quality of Taihe black-bone chickens and application thereof. The feed is prepared through the following steps: (1) preparation of fermented broussonetia papyrifera, which is prepared by fermenting broussonetia papyrifera, lactic acid bacteria and yeast at room temperature for 21 days; (2) customization of fermented broussonetia papyrifera feed formula, wherein rice bran in a daily ration of Taihe black-bone chickens in a growing period is replaced by an equal amount of fermented broussonetia papyrifera, and the replacement amount accounts for 4% of the total weight of the daily ration; and (3) preparation of fermented broussonetia papyrifera feed. Compared with a control group, when the fermented broussonetia papyrifera accounts for 4% of the total weight of the daily ration, the growth performance, apparent metabolic rate of nutrients and meat quality of Taihe black-bone chickens in the growing period can be effectively improved.

The invention belongs to the technical field of gene engineering, and particularly relates to a broussonetia papyrifera adenosine phosphate sulfate reductase gene BpAPR and application. Two key genes BpAPR related to selenium assimilation in paper mulberry are mined from paper mulberry transcriptome data and are respectively named as BpAPR1 and BpAPR2. The nucleotide sequence of the BpAPR1 is as shown in SEQ ID NO. 1. The nucleotide sequence of the BpAPR2 is as shown in SEQ ID NO. 2. The invention also discloses the application of the BpAPR1 and BpAPR2 genes in increasing the selenium content of the paper mulberry. According to the invention, BpAPR1 and BpAPR2 genes of broussonetia papyrifera are successfully cloned, and the relative expression quantity of the genes in different tissues and the total selenium content under the treatment of selenium sources with different concentrations are measured. In addition, subcellular localization of the BpAPR1 and the BpAPR2 is verified, overexpression is carried out in Lanzbeg wild type arabidopsis thaliana, and the biological function of the BpAPR1 and the BpAPR2 in selenium metabolism is verified. The researches can provide a theoretical basis for subsequent research on a polyselenium molecular mechanism of more plants.

The invention discloses a device and method for self-adaptively repairing non-straight cracks through magnetic mortar, the device comprises a drilling system, a grouting system, a suction system, a movement system, an energy supply system and a control system, the magnetic mortar and a micro magnetic anchor technology are combined, and the magnetic mortar is composed of an oily epoxy resin-based material, a magnetic substance and a microbial carrier; the drilling system realizes accurate drilling through a universal joint and a pressure sensor; the motion system adopts a telescopic mechanical arm to drive a device to advance and retreat; the miniature magnetic anchor fixes the crack in a multi-stage manner and adsorbs mortar; the microbial carrier utilizes iron-oxidizing bacteria and urease-producing bacteria to generate a sediment enhancing structure. During slope restoration, the paper mulberry trees are planted in combination with the PVC pipes with the holes, and the ecological stability is improved. The problems that complex cracks are insufficient in filling and poor in repairing effect are solved, and the method has the advantages of automation, eco-friendliness, high efficiency and durability.

The invention relates to the field of livestock and poultry breeding, and discloses a laying hen feed additive based on fermented broussonetia papyrifera and application of the laying hen feed additive. The additive is prepared by taking paper mulberry leaves as a main material, matching with rice husks, wheat bran and other auxiliary materials, inoculating a microecological preparation containing lactobacillus plantarum, candida utilis and bacillus subtilis, and performing anaerobic fermentation. 4% of the additive is used for daily ration of the aged laying hens, so that the laying rate can be remarkably increased, the dirty egg rate can be reduced, and the egg weight, the eggshell strength and the yolk color can be improved; the mechanism is to improve the form of the intestinal tract, enhance the expression of tight junction protein, regulate immune balance, optimize the structure of cecum flora and enrich beneficial microorganisms; the broussonetia papyrifera leaf feed additive realizes efficient utilization of broussonetia papyrifera leaf resources, provides a safe and effective functional additive for prolonging the laying period of laying hens and improving the breeding benefits, and has a good application prospect.

The application discloses a gene BpMIXTA01 for regulating and controlling initial development of Broussonetia papyrifera epidermal hair as well as an expression protein and application thereof, and belongs to the technical field of plant genetic engineering. The nucleotide sequence of the gene is shown in SEQ ID NO. 1, and the amino acid sequence is shown in SEQ ID NO. 2. The gene belongs to the ninth sub-group MIXTA gene of the R2R3 MYB transcription factor family. Function verification shows that overexpression of BpMIXTA01 in Arabidopsis thaliana can significantly increase the number of epidermal hairs, and can restore the epidermal hair loss phenotype of the Arabidopsis thaliana hairless mutant, proving that BpMIXTA01 is a positive regulation factor of epidermal hair formation. The application first discloses a key regulation gene for initial development of Broussonetia papyrifera epidermal hair cells, provides an important gene resource for analyzing the molecular mechanism of epidermal hair development of woody plants, and can cultivate a hairless forage Broussonetia papyrifera new variety through genetic engineering means, and has important theoretical value and application prospect.

The utility model discloses an air-drying machine for paper mulberry processing, which belongs to the technical field of air-drying of paper mulberry and comprises a base, an air-drying rack slidably arranged on one side of the top surface of the base and an auxiliary air-drying mechanism arranged on the other side of the top surface of the base, the auxiliary air-drying mechanism comprises a cover, one side of the cover is open, and the cover is fixed on the top surface of the base. An opening of the cover faces the airing frame, a heating plate is arranged on the inner wall of the cover, a material taking assembly is installed at the top of the cover, and the airing frame comprises two installation columns arranged on the top face of the base in a sliding mode and an airing base installed between the two installation columns. When the broussonetia papyrifera is used for airing, the broussonetia papyrifera is naturally aired on the inclined surface of the airing seat, when the weather is not suitable for airing, the broussonetia papyrifera is placed on the inclined surface of the airing seat, then the airing seat is pushed into the cover, and the heating plate on the inner wall of the cover is started to dry the broussonetia papyrifera, so that the broussonetia papyrifera can be manufactured in different natural environments, and the manufacturing efficiency of the broussonetia papyrifera is effectively improved.

The invention discloses a compound planting method for eucalyptus and paper mulberry, and belongs to the technical field of plant planting. The method comprises the following technical steps: (1) forest land preparation; (2) afforestation and interplanting; (3) tending management; (4) harvesting and utilizing the paper mulberry. According to the method, good economic, ecological and social benefits are obtained through compound interplanting of the eucalyptus and the paper mulberry, rational close planting, precise fertilization and the like. According to the method, the light energy utilization rate and the forest space utilization rate can be increased, soil fertility is increased, healthy growth of eucalyptus and paper mulberry is promoted, ecological compensation is promoted, and sustainable and healthy development of the eucalyptus forest industry is effectively promoted.

This invention discloses a regulatory gene BpMYB090 for the development of epidermal hairs on paper mulberry leaves, its expressed protein, and its applications, belonging to the field of plant genetic engineering technology. The nucleotide sequence of this gene, BpMYB090, is shown in SEQ ID NO.1. This gene belongs to the ninth subgroup of the R2R3 MYB transcription factor family, MIXTA class, and its expression level is significantly positively correlated with the density of epidermal hairs on paper mulberry leaves. Overexpression of BpMYB090 in Arabidopsis thaliana significantly increases the number of epidermal hairs and restores the epidermal hair-deficient phenotype of the Arabidopsis thaliana mutant gl1, confirming that BpMYB090 is a positive regulator of epidermal hair formation. This invention reveals for the first time a key regulatory gene for the development of epidermal hairs on paper mulberry leaves. Furthermore, based on the positive regulatory function of this gene, new hairless forage paper mulberry varieties can be bred through gene silencing or editing techniques, possessing significant theoretical value and application prospects.

The invention relates to a hybrid broussonetia papyrifera leaf induced plant regeneration and vitrification clumpy bud rejuvenation method. The method comprises explant sterilization, budding induction, rooting induction and vitrification clumpy bud rejuvenation. The leaves are subjected to gradient sterilization and inoculated to the same culture medium, callus induction, budding induction and proliferation can be conducted at the same time, high buds can be directly cut for rooting induction without strong seedling culture after budding, and vitrified clumpy buds appearing in the culture process can be recovered to be robust. The method is rich in material source and simple in culture process, avoids material pollution caused by frequent subculture and updating of a turnover culture medium, saves labor cost, ensures that the callus induction rate and the budding induction rate are up to 100%, the budding number of a single callus is up to 12.7-19.2, the plant regeneration time is short, vitrified bud seedlings can be fully utilized, material waste is avoided, and the method is suitable for industrial production. The breeding efficiency is improved, the seedling production cost is reduced, and industrialization is facilitated.

This invention relates to the field of natural product pharmaceuticals, and more particularly to a spirobroussonin compound, its preparation method, and its application. The spirobroussonin C provided by this invention is isolated from the paper mulberry tree. This compound can inhibit the release of the inflammatory factor IL-13 from human keratinocytes induced by IL-4 / TNF-α, exhibiting activity superior to the clinical drug dexamethasone and without cytotoxicity. It can significantly alleviate ear dryness and excessive angiogenesis in MC903-induced atopic dermatitis mice, reduce ear swelling, epidermal thickening, and transepidermal water loss, alleviate the trend of weight loss, reduce mast cell infiltration, and inhibit the expression of serum IgE and Th2-type cytokines such as IL-13, IL-4, and TSLP in ear tissue. No glucocorticoid-like side effects such as skin atrophy or metabolic disorders were observed with Spirobroussonin C within the experimental dose range.

The present application relates to the technical field of biology, and particularly relates to a broussonetia papyrifera pollen allergen extract, a preparation method and application thereof.The present application provides a broussonetia papyrifera pollen allergen extract, which comprises a peptide segment composition; and the amino acid sequence of the peptide segment composition is shown as SEQ ID NO:1 to SEQ ID NO:104.The present application provides a commercialized broussonetia papyrifera allergy diagnosis reagent, which can meet the diagnosis and treatment requirements of broussonetia papyrifera pollen allergy patients in the clinic.

The invention discloses a component of an electronic cigarette. The component is made of a thermoplastic elastomer composite material. The components are a suction nozzle and an electronic cigarette shell part; the invention further discloses a thermoplastic elastomer composite material of an electronic cigarette component. The thermoplastic elastomer composite material comprises plant composite powder, the plant composite powder is a mixture of bamboo powder, hemp tree powder, paper mulberry powder, corn flour, lignin, cellulose, terpenoids, tannin, a starch extract and a castor oil extract; the invention further discloses a preparation method of the electronic cigarette component. According to the electronic cigarette shell part, at least three shells are connected in a sleeved mode and can stretch out and draw back, and a telescopic structure is formed; the cigarette rod and the cigarette holder are made of the environment-friendly thermoplastic elastomer composite material, so that the experience feeling of the cigarette holder and the mouth can be improved, and the cigarette holder and the mouth can be conveniently recycled in the future; the cigarette rod and the cigarette holder are of the telescopic structure in mutual sliding and sleeving connection, and storage of the electronic cigarette when the electronic cigarette is not used is better utilized.

The utility model provides a broussonetia papyrifera raw material purification device, which relates to the technical field of broussonetia papyrifera processing, and comprises a box body, a stirring part used for stirring materials is arranged in the box body, a worker holds a handle to open a half box cover, a supporting rod drives a rubber ball to touch the ground, the half box cover is supported, and the stirring part is used for stirring the materials. The broussonetia papyrifera barks are put into the water containing box, then water is poured into the water containing box, the half box cover is closed, the rotating shaft is driven by the rotating motor to rotate, the rotating shaft drives the connecting rod and the pin to lock and rotate the broussonetia papyrifera barks in the water containing box, the broussonetia papyrifera barks are impacted in turn in air and books, and a large number of sundries on the surfaces of the broussonetia papyrifera barks are washed away. The cleaned broussonetia papyrifera barks are taken out and then further cleaned, then the broussonetia papyrifera barks are placed in the water containing box, the heating plate supported by the support can heat clean water in the water containing box, the cleaned broussonetia papyrifera barks are further cleaned, and the high-temperature sterilization and softening effects are achieved.

The invention belongs to the technical field of genetic engineering identification, and particularly relates to a selenium binding protein gene BpSBP1 for regulating and controlling selenium metabolism of broussonetia papyrifera and application of the selenium binding protein gene BpSBP1. The invention provides a selenium binding protein gene BpSBP1 for regulating and controlling selenium metabolism of paper mulberry and application of the selenium binding protein gene BpSBP1. The paper mulberry BpSBP1 gene can improve the selenium resistance of plants; bpSBP1 is related to synthesis of paper mulberry selenomethionine, excessive selenium accumulation of paper mulberry can be inhibited, the synthesis proportion of organic selenium can be adjusted, the root growth capability and biomass of paper mulberry in a selenium stress environment can be improved, and the paper mulberry BpSBP1 is used as a target gene for improving the selenium resistance of paper mulberry. The nutritional value of the broussonetia papyrifera serving as a feed raw material in a high-selenium area is balanced through a genetic engineering means, the problems of toxicity control and yield stability of the selenium-rich broussonetia papyrifera feed are solved, the selenium-rich broussonetia papyrifera within a safety threshold value is cultivated in the high-selenium area to serve as a livestock and poultry feed raw material, and then the requirement for selenium supplement in daily diet of people is met.

The invention discloses a method for detecting adulterated paper mulberry bark in a white mulberry root-bark medicinal material and a loquat cough-relieving preparation containing the white mulberry root-bark raw material. According to the method, broussonine A is used as a detection index, and a high performance liquid chromatography-mass spectrometry method is adopted for detection; wherein the chromatographic conditions are as follows: octadecylsilane chemically bonded silica is used as a filler, acetonitrile is used as a mobile phase A, and a 10 mmol / L ammonium formate solution of 0.1% formic acid is used as a mobile phase B for gradient elution; the flow velocity is 0.25 ml / min; the column temperature is 35 DEG C; the detection method is simple and rapid to operate, high in precision and accurate and reliable in determination result. By adopting the method disclosed by the invention, the phenomenon of adulteration of broussonetia papyrifera bark in the white mulberry root-bark medicinal material or the loquat cough-relieving preparation containing the white mulberry root-bark raw material can be rapidly and accurately detected, so that the quality of the white mulberry root-bark medicinal material and the loquat cough-relieving preparation containing the white mulberry root-bark raw material is ensured; the curative effect and medication safety of clinical medication of the white mulberry root-bark medicinal material and the loquat cough-relieving preparation are ensured.