298 results about "Camphor" patented technology

The invention relates to the technical field of preparation of reverse osmosis membranes, and particularly discloses a preparation method of a high-flux seawater desalination reverse osmosis membrane, which comprises the following steps: step 1, preparing a water phase solution, mixing m-phenylenediamine and 4-aminoanisole according to a mass ratio of 4: 1, adding camphorsulfonic acid and triethylamine, then adding into deionized water, and stirring to obtain the water phase solution; the total mass fraction of m-phenylenediamine and 4-aminoanisole is 4 wt%, the mass fraction of camphorsulfonic acid is 4 wt%, the mass fraction of triethylamine is 2 wt%, and the total mass fraction of m-phenylenediamine and 4-aminoanisole is 4 wt%. The modified nano silicon dioxide is nano silicon dioxide modified by gamma-aminopropyltriethoxysilane, and the particle size of the modified nano silicon dioxide is 30nm. According to the preparation method of the high-flux seawater desalination reverse osmosis membrane, the purposes that the high flux, high stability, excellent corrosion resistance and high structural strength of the reverse osmosis membrane are synergistically improved, and the seawater desalination effect is remarkably optimized are achieved.

The invention relates to the field of energy storage, and provides a secondary battery and a preparation method thereof, an energy storage battery pack and electric equipment, and the preparation method comprises the following steps: forming a first active layer provided with a first hole and a second active layer provided with a second hole; the preparation method for forming the second active layer comprises the following steps: obtaining a camphor precursor based on second camphor particles and a pre-carbonization solution, and coating the surface of the camphor precursor with a carbonization material; carrying out heat treatment on the camphor precursor to obtain carbon-coated camphor particles; uniformly stirring the carbon-coated camphor particles, a second negative electrode material, a second conductive agent, a second adhesive and the second dispersion solution to obtain second coating slurry; the current collector with the first active layer is covered with second coating slurry, the second coating slurry can flow into part of the first holes, and a second active layer with carbon-coated second holes is formed after drying; and winding or laminating the positive plate, the negative plate and the diaphragm to obtain the secondary battery.

The invention discloses a forest management method for improving quality and efficiency of a fir man-made forest, application and the fir man-made forest, and the forest management method for improving quality and efficiency of the fir man-made forest comprises the following steps: cutting off part of forests in the fir man-made forest to enable the retention density of the existing forest stand to be 100-1050 plants / hm < 2 >; precious and indigenous tree species are planted in forest stand gaps in a complementary mode, and the complementary plant number is 300 plants / hm < 2 > to 1260 plants / hm < 2 >; the complementary planting tree species are at least three of phoebe bournei, sweetgum, schima superba, camphor tree, cyclobalanopsis glauca, taxus chinensis var mairei, gingko, schima superba, mangnolia officinalis, melia azedarach and sapium discolor. According to the method, quality improvement / operation transformation measures such as stand density adjustment and tree species configuration regulation are carried out on the fir man-made forests in different age groups, precious and indigenous tree species are selected according to local conditions for complementary planting, different-age, multi-layer and mixed stand is cultivated, precious wood is stored, and the operation purpose of quality improvement and efficiency improvement of the fir man-made forests is achieved.

The invention relates to essential oil with a pain relieving effect and prepared from a medicinal material of fiveleaf schizophragma herb and a preparation method of the essential oil. According to the invention, traditional Chinese medicines and essential oil are scientifically proportioned, deep inflammation and rheumatic arthralgia can be relieved through the root of fiveleaf schizophragma, the sargentgloryvine stem and the garden balsam stem, the wintergreen oil, the peppermint oil and the camphor are matched to quickly relieve pain, the cortex albiziae and the murraya paniculata can relieve nervous tension and reduce pain sensitivity, and the traditional Chinese medicine composition is compounded and coordinated to treat both symptoms and root causes The eucalyptus oil and the clove oil are added into the product to blend the peculiar smell of the traditional Chinese medicines, so that the product is easier to accept. The preparation process adopts ethanol to extract effective components of the medicines, ensures dissolution of the active components, avoids the problem of low efficiency of a traditional water decoction method, effectively retains thermosensitive components through vacuum concentration, and avoids component degradation. The selected components are common and easily available, the processing technology is mature, and the method is suitable for large-scale production.

This invention provides a breathable plaster matrix for application and its preparation method, belonging to the field of polymeric dressings and plasters. The plaster matrix raw materials include terpene-modified rosin beeswax, hydrogenated rosin glyceryl ester, camellia oil, castor oil, stearic acid hydrophobically modified microcrystalline cellulose, zinc oxide, glycerin, coated citric acid, sodium bicarbonate, polyethylene glycol, camphor, and menthol. The terpene-modified rosin beeswax is prepared by reacting rosin and α-pinene in the presence of di-tert-butylperoxyisopropylbenzene, followed by the addition of white beeswax and maleic anhydride, and then the addition of trimethylolpropane. The stearic acid hydrophobically modified microcrystalline cellulose is microcrystalline cellulose coated with stearic acid. The coated citric acid is citric acid coated with hydrogenated castor oil. This invention's plaster matrix significantly improves skin breathability, application comfort, and biocompatibility while ensuring sufficient adhesion, formability, and drug loading capacity.

The invention discloses a composite agent for preventing and treating forest diseases and insect pests and a preparation method thereof, and relates to the technical field of forest disease and insect pest prevention and treatment. The composite agent is composed of a natural active extract, a synergistic auxiliary agent and a repair conditioning agent, the natural active extract comprises a melia azedarach fruit-leaf extract, a camellia seed meal extract, a pinus massoniana needle leaf extract and a camphor tree bark extract, and the composite agent has broad-spectrum insecticidal and bacteriostatic effects; a tea residue modified penetrant and early indica rice starch sustained-release microspheres are adopted as the synergistic auxiliaries, so that the adhesiveness and infiltration capacity of the pesticide on waxy leaves are remarkably improved, and long-acting sustained release of active ingredients is realized; the restoration regulator is moso bamboo vinegar, can promote the growth of new shoots of trees and the synthesis of chlorophyll, and enhances the stress resistance of the trees. All the components are synergistically prepared through a green process, the combined effect of multiple components is fully played, insect and disease prevention, long lasting period and ecological restoration integration are achieved, and an efficient and ecologically compatible novel plant protection technical scheme is provided for forest health management and sustainable development.

The invention relates to the technical field of external traditional Chinese medicine plasters, in particular to a yang-activating, cold-removing and pain-relieving ointment and a preparation method thereof. The analgesic ointment is prepared by taking black sesame oil and yellow lead as matrixes and assisting coarse medicinal materials with the effects of warming yang, dispelling cold, promoting blood circulation and dredging collaterals and fine medicinal materials (musk, camphor, myrrh, frankincense and the like) through the steps of treating the medicinal materials, extracting, refining oil, adding the yellow lead to form the ointment, removing fire toxin, adding the fine materials, spreading and the like. The traditional Chinese medicine composition does not contain western medicine components, can warm yang and dredge vessels, dispel cold and wind and eliminate dampness, promote blood circulation to remove meridian obstruction and remove blood stasis, and relieve swelling and pain, and is suitable for treating various orthopedic and rheumatism diseases such as acute and chronic lumbar and cervical diseases, knee joint hyperosteogeny, sciatica and scapulohumeral periarthritis. The ointment is large in drug loading capacity, capable of being administrated for a long time, good in long-term curative effect, not prone to relapse after healing, capable of being directly applied without heating, convenient to use, free of deterioration in two years at the normal temperature, small in irritation, low in anaphylaxis and high in safety.

A pest control composition includes from about 4 wt % to about 10 wt % of sodium lauryl sulfate; one or more C5 to C9 hydrotropic salt; from about 1 wt % to about 10 wt % of one or more active ingredients selected from the group consisting of corn mint oil, peppermint oil, spearmint oil, rosemary oil, thyme oil, citronella oil, clove oil, cedarwood oil, cinnamon oil, geranium oil, eugenol, 2-phenylethyl propionate, menthol, menthone, thymol, carvone, camphor, methyl salicylate, p-cymene, linalool, geraniol, cinnamyl acetate, cinnamic alcohol, cinnamaldehyde, citronellol, eucalyptol / 1,8-cineole, alpha-pinene, bornyl acetate, gamma-terpinene, and combinations thereof; and from about 60 wt % to about 95 wt % of water. The pest control composition exhibits a water peak in a 2H spectrum having a width encompassing 90% of the area of the entire water signal of about 50 Hz or more, as determined by the 2H NMR Method.

This invention relates to a compound fragrance essential oil, belonging to the field of fragrance technology, and solves the technical problems of existing fragrance essential oils, such as single aroma layers, poor fragrance retention, and easy component separation. This fragrance essential oil, by weight percentage, consists of 0.05wt%~0.10wt% polyethylene glycol, 9.00wt%~10.00wt% linalool, 0.50wt%~1.00wt% violet essential oil, and the balance being glyceryl acetate. The components are scientifically proportioned and compounded to produce a synergistic effect. Polyethylene glycol emulsifies and solubilizes, ensuring uniform mixing without separation. The sweet camphor floral scent of linalool blends harmoniously with the rich floral scent of violet essential oil. Glyceryl acetate acts as a carrier to enhance the fragrance retention stability of the essential oil. The final fragrance essential oil has a fresh, natural, rich, and long-lasting aroma. The formulation of this invention has been verified by professional testing institutions, confirming the authenticity and effectiveness of the components, the reasonable proportioning design, and the readily available raw materials. It can be directly compounded and used, applicable to multiple fields such as daily chemicals, food, and aromatherapy, with broad application prospects.

The utility model discloses a gastrodia elata cultivation device, which belongs to the technical field of agricultural planting and is characterized in that a first layer of plant leaf residues, a first layer of armillaria mellea and gastrodia elata seeds, a second layer of plant leaf residues, a second layer of armillaria mellea and gastrodia elata seeds and a third layer of plant leaf residues are sequentially arranged in a cultivation box or a cultivation frame from bottom to top; the first layer of plant leaf residues, the second layer of plant leaf residues or the third layer of plant leaf residues are respectively selected from at least one of melaleuca alternifolia leaf residues, cinnamomum longepaniculatum leaf residues and cinnamomum tamala leaf residues after essential oil extraction; the first layer of armillaria mellea and gastrodia elata seeds and the second layer of armillaria mellea and gastrodia elata seeds respectively comprise armillaria mellea and gastrodia elata seeds which are placed in a dispersed manner. According to the method, plant essential oil extraction residues (such as rock osmanthus, melaleuca alternifolia, cinnamomum longepaniculatum residues and the like) are used as raw materials to carry out gastrodia elata cultivation production, the ash content of gastrodia elata can be reduced, the drying rate and the gastrodin content can be increased, the use of bars in gastrodia elata cultivation is reduced, the labor intensity of gastrodia elata cultivation and harvesting is reduced, and the production cost is reduced. The method is suitable for large-scale popularization and application of gastrodia elata cultivation

The invention discloses a preparation method of high-purity cinnamomum longepaniculatum essential oil, and belongs to the technical field of plant essential oil preparation. The method comprises the following steps: distilling and extracting fresh cinnamomum longepaniculatum leaves to obtain a crude cinnamomum longepaniculatum oil product; rectifying the crude cinnamomum longepaniculatum oil to obtain cinnamomum longepaniculatum essential oil; and adding ethanol and a crystallization accelerant into the cinnamomum longepaniculatum essential oil, and carrying out freezing crystallization treatment, so that components such as 1, 8-cineole in the cinnamomum longepaniculatum essential oil form crystals, and the aim of separating the crystals from other components is fulfilled. By adopting the process disclosed by the invention, the content of 1, 8-cineole in the essential oil can be effectively increased, so that the quality of the cinnamomum longepaniculatum essential oil is improved.

The application provides a traditional Chinese medicine composition for treating diarrhea, and relates to the technical field of traditional Chinese medicine pharmacy. The application provides a traditional Chinese medicine composition for treating chronic diarrhea, which is prepared from madder, yuyulang, camphor tree bark, white peony root, jujube, licorice, lily, trichosanthes root and heron herb. The drugs are used together to have the functions of tonifying the spleen and stomach, astringing the lung to stop diarrhea and warming the middle and promoting qi. The traditional Chinese medicine composition can effectively relieve and improve the clinical symptoms of patients with chronic diarrhea, such as diarrhea, loss of appetite, lassitude and fatigue, and has a remarkable curative effect, so it is worthy of further clinical promotion and application.

The application provides a preparation process of Miaogukanghuoluo oil and belongs to the technical field of medicinal oil production. The process comprises the following steps: S1, preparing raw materials with a certain weight ratio: Sanqi 3.5%-4%, Chuanqiong 4.5%-5%, wintergreen oil 5%-6%, menthol 7.5%-8%; S2, after Sanqi and Chuanqiong are processed and qualified, they are poured into a feeding pipe together with menthol, camphor and borneol, a rotating assembly is used to crush and pulverize the medicinal raw materials, and the crushed medicinal powder is fully mixed; S3, a user pours wintergreen oil, pine oil, clove oil and Shancang oil into the bottom of the installation shell through an oil inlet pipe in proportion, so that the medicinal oil mixture is prevented from adhering to the surface of the stirring assembly and causing medicinal waste; S4, the fully mixed medicinal oil mixture is placed and bottled to obtain Miaogukanghuoluo oil. The rotating assembly is arranged to prevent solid particles from affecting the overall medicinal effect of the huoluo oil, and the stirring assembly is arranged to further improve the mixing effect of the medicinal powder and medicinal oil.

The invention provides an antibacterial and anti-inflammatory traditional Chinese medicine compound preparation and a preparation method thereof. The compound preparation is prepared from the following raw materials in parts by weight: 10 to 30 parts of fructus forsythiae, 10 to 25 parts of flos chrysanthemi, 15 to 40 parts of rhizoma imperatae, 5 to 10 parts of herba menthae, 0.5 to 3 parts of borneol and 0.1 to 3 parts of camphor. The main innovation point of the formula is that triple mechanisms of clearing away heat and toxic materials, repairing mucous membranes and rapidly relieving pain are innovatively fused; instantaneous mucous membrane permeation is realized through volatile components (borneol, mint and camphor), and itching and pain are quickly relieved; forsythia suspense-chrysanthemum-couch grass root synergistically inhibit release of inflammatory factors and radically diminish swelling, and the specific functions are as follows: forsythia suspense has antibacterial and antiviral effects and inhibits streptococcus in throat; chrysanthemum has the effects of clearing liver fire, relieving heat toxin and eliminating mucosal hyperemia; the couch grass root can promote salivation, moisten dryness and repair damaged mucosa; mint is capable of quickly relieving itching and promoting transmembrane absorption of the medicine; borneol is used for instantly cooling and easing pain and opening a cell channel; and camphor and local anesthesia enhance the pain relieving time efficiency.

The utility model discloses a crystal separation device of an borneol crystallizing tank, which relates to the technical field of crystal separation of borneol and comprises a bottom plate, an L-shaped plate fixedly connected to the upper surface of the bottom plate, a hydraulic push rod fixedly mounted on the upper surface of the bottom plate, a placing disc fixedly mounted at the top end of the hydraulic push rod, and a solid body of the borneol crystallizing tank placed on the placing disc. And a clamping turnover mechanism and a separating mechanism are arranged on the L-shaped plate. According to the utility model, through the arrangement of the clamping and overturning mechanism and the separating mechanism, the clamping and overturning of the borneol crystallizing tank entity and the efficient separation of borneol in the tank can be realized, the separated borneol can smoothly slide down and be collected, and the automatic separation operation of the borneol is completed.

The invention provides a method for determining the content of camphor in an external medicinal preparation for treating arthralgia, and belongs to the technical field of detection methods. Comprising the following steps: (1) preparing a test solution; (2) preparing an internal standard solution; (3) preparing a reference substance solution; (4) preparing a correction solution; and (5) sample injection detection. The method for measuring the camphor in the external medicinal preparation for treating arthralgia is simple, high in accuracy and good in durability, has linear correlation in a certain concentration range, can effectively control the quality of the product, and has a wide application prospect.

The invention relates to the technical field of traditional Chinese medicines, in particular to a dropping pill-containing traditional Chinese medicine composition with a refreshing and refreshing throat and a preparation method thereof. The traditional Chinese medicine crude extract compatibility mode is broken through; a standardized traditional Chinese medicine monomer composition prepared from the following raw materials in parts by weight: 2 to 4 parts of camphor, 40 to 50 parts of borneol, 0.5 to 1.5 parts of menthone, 6 to 8 parts of isomenthone, 0.5 to 1.5 parts of menthyl acetate ketone, 20 to 22 parts of menthol and 20 to 25 parts of mono-ammonium glycyrrhizinate is innovatively constructed. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 2 to 4 parts of camphor, 40 to 50 parts of borneol, 0.5 to 1.5 parts of menthone, 6 to 8 parts of isomenthone, 0.5 to 1.5 parts of menthyl acetate ketone, 20 to 22 parts of menthol and 20 to 25 parts of mono-ammonium glycyrrhizinate. Compared with the original medicinal preparation, the oral drop pill is clear in chemical components, clear in action mechanism, convenient for quality control and standardized production, and the like. The effective component composition can achieve an anti-inflammatory effect equivalent to that of an original preparation by regulating and controlling expression of TNF-alpha / IL-6 inflammatory factors, reducing pathological damage and the like, and accurate correspondence of'component-target-effect 'is successfully realized.

The invention relates to a preparation method of an insect-proof fabric, which comprises the following steps: preparing the following raw materials in parts by weight: 15-20 parts of chitosan quaternary ammonium salt, 5-8 parts of nano carbon fiber powder, 28-35 parts of plant extract, 8-12 parts of ethanol and 30-36 parts of deionized water; uniformly stirring and mixing carbon nanofiber powder, a plant extracting solution and ethanol, performing ultrasonic treatment, adding chitosan quaternary ammonium salt and deionized water, keeping the temperature, and uniformly stirring to obtain a finishing agent; carrying out padding treatment on the fabric by utilizing the finishing agent, and drying to obtain the insect-proof fabric. Melaleuca virens-camphor tree extract is obtained through water distillation extraction, the finishing agent is prepared from the Melaleuca virens-camphor tree extract, chitosan quaternary ammonium salt, carbon nanofiber powder, ethyl alcohol and deionized water, and the fabric is subjected to padding treatment through the finishing agent so that the fabric can have the good insect prevention performance, antibacterial performance and antistatic performance.

The invention relates to the technical field of gingival tumescence, in particular to a gingival tumescence composition, which is prepared from the following raw materials in parts by weight: 10 to 12 parts of borneol, 10 to 12 parts of cortex phellodendri, 10 to 12 parts of dandelion, 12 to 16 parts of flos chrysanthemi indici, 12 to 16 parts of semen ziziphi spinosae, 10 to 12 parts of conch, 12 to 16 parts of piper longum, 10 to 12 parts of camphor, 4 to 6 parts of pericarpium zanthoxyli, 10 to 12 parts of rhizoma chuanxiong and 4 to 6 parts of herba menthae. According to the composition for treating gingival swelling, multiple raw materials are compounded and mixed, meanwhile, a nano silicon dioxide modifier is added, nano silicon dioxide is subjected to ultrasonic immersion extraction through an extracting solution, and the extracting solution is prepared by blending and improving a Vc solution and a honeysuckle extracting solution; the prepared composition has obvious improvement effects on the cure rate, the effective rate and the obvious effective rate of gingival swelling, and also has the effects of cleaning the oral cavity, refreshing breath, preventing moth and strengthening teeth.

Disclosed is a paper towel with functions of refreshing and nasal passage clearing and a preparation method thereof. The paper towel includes the following raw materials in parts by weight: 1 part of base paper for preparing the paper towel and 2.6-3.5 parts of a medicinal solution, where the medicinal solution is prepared by mixing a peppermint essence and a moisturizing active factor at a mass ratio of 2.5-3.5:1. The peppermint essence is composed of menthol, camphor, eucalyptus oil, borneol, and water. The present disclosure mixes the peppermint essence prepared at a certain ratio and the moisturizing active factor, and evenly spays the medicinal solution on the base paper for preparing the paper towel through a spraying process of special processing, so that the base paper for preparing the paper towel becomes soft, smooth and moist.

The application relates to the technical field of cat litter preparation, and discloses a mixed cat litter with antibacterial and color indicating functions and a preparation method thereof. The components of the mixed cat litter are mixed anthocyanins, sodium bentonite, taros, and honeysuckle in a mass ratio of 0.5-1.5:4:4:0.5-1.5. The mixed anthocyanins are a mixture of black carrot anthocyanins and camphor tree fruit anthocyanins in a mass ratio of 1:1. The cat litter prepared by the application has the functions of indicating the PH of cat urine, strong antibacterial function and strong color indicating function.

The invention discloses polyurethane modified by a solid bactericide of polyborneol ester phosphonium. The preparation method comprises the following steps that octaphosphino cage type oligomeric silsesquioxane and halogenated bornyl acetate react in an anhydrous solvent at the temperature of 10-50 DEG C for 12-24 hours, the molar ratio of phosphine groups to halogenated bornyl acetate groups is 1: (1-1.5), and the powdery antibacterial agent is obtained after precipitation, collection and drying. The antibacterial agent is added into thermoplastic polyurethane through primary mixing and mixing in an internal mixer to form a uniform and transparent polyurethane material, so that the material has antibacterial performance. The multi-quaternary phosphonium cation constructed on the basis of cage type oligomeric silsesquioxane has good antibacterial performance and environmental degradability, can be used in the fields of disinfectants, plastics, textile fabrics, medical instruments and the like, is different from common liquid water-soluble mono-quaternary phosphonium salt, is solid powder, cannot be dissolved in water but can be dissolved in ethanol, and can be used for preparing the antibacterial material. This makes it difficult to migrate and washable during use.

The invention discloses a formula and a preparation method of a quick-acting analgesic tincture external spraying agent, and belongs to the technical field of external spraying agents, the quick-acting analgesic tincture external spraying agent comprises the following raw materials in parts by weight: a group A: 25kg of radix clematidis, 20kg of radix saposhnikoviae, 20kg of rhizoma zingiberis, 20kg of radix angelicae, 20kg of rhizoma drynariae, 20kg of notopterygium root, 15kg of corydalis tuber, 15kg of radix aconiti preparata, 15kg of radix aconiti kusnezoffii preparata and 15kg of frankincense preparata; the traditional Chinese medicine is prepared from 15 kilograms of prepared myrrh, 15 kilograms of ligusticum wallichii, 10 kilograms of ephedra, 10 kilograms of asarum, 5 kilograms of saffron crocus (240 kilograms of 15 parts) and 1200 kilograms of ethanol. The group B comprises 15 kilograms of camphor, 5 kilograms of storax oil, 3 kilograms of vanillyl butyl ether and ethanol (the dosage is 300-900% of the total weight of the medicines), the prepared'ten-full-pain quick-napping 'tincture is generally used for various arthralgia pains caused by wind-cold-dampness stasis, and aims at the etiology and symptoms of arthralgia, cold-dampness pains, blood stasis pains, spasm pains and wind-excess channeling pains, medicine symptoms are combined, both symptoms and root causes are taken into consideration, and the traditional Chinese medicine tincture can be used for treating various arthralgia pains caused by wind-cold-dampness stasis. The composition has the advantages of quick transdermal effect, quick effect, broad effect, special effect, safety and convenience, and meets the fast-paced life of modern people and the high requirements on health, high efficiency, convenience and safety. The promotion and popularization of the invention will surely produce great social and economic benefits.

The utility model discloses a mattress, including mattress body, the inside of mattress body is provided with the bed sheet, and the quantity of bed sheet is two groups, and the bottom of two groups of bed sheet is provided with the comfort layer, and the bottom of comfort layer is provided with the mattress layer, the utility model discloses a plurality of advantages in one body through the multilayer composite structure of comfort layer, and E moves the brown layer and provides basic support, and the soft comfortable degree of polyurethane fibre layer is promoted, and the non -woven cloth layer prevents damp and isolates, and the camphor wood fibre layer drives insect, and the aromatic is relieved, and the mood is relieved, and each layer is complementary, and creates the healthy, comfortable, pleasant sleep micro - environment for the user, through the outer layer body of polyester fibre block cross - support in the mattress layer, effectively strengthens the overall strength of mattress, prevents the collapse, guarantees the mattress elasticity lasting stable, even if after long - time frequent use, mattress still can maintain good supporting performance for the user to provide the comfortable sleep experience continuously, reduces the frequency of replacing mattress because of mattress deformation, saves the expenditure.

The invention belongs to the technical field of plant biology, and particularly relates to a method for raising seedlings of Zhejiang cinnamomum camphora through top grafting in summer, which comprises the following steps: selecting a two-year-old to three-year-old Zhejiang cinnamomum camphora container seedling as a stock, cutting the stock at a position 60-80cm above the ground, making a cut, and retaining leaves at the lower part of the cut; collecting an annual branch which is 0.4-0.6 cm thick and stops growing for 15-20 days on the canopy of the seed tree as a scion, retaining a petiole and cutting the petiole into a tapered wedge shape; grafting is carried out from June 25 to July 25; and cultivating and managing. By means of the method, the grafting survival rate of Zhejiang cinnamomum camphora is effectively increased, and the survival rate of traditional spring scion grafting is increased to 90% or above from less than 20%.

This invention discloses a topical plaster for external injuries, relating to the field of traditional Chinese medicine compositions. It comprises the following raw materials by weight: camphor 42.2-43.0 parts, Panax notoginseng 2.0-3.0 parts, safflower 4.0-6.0 parts, lead oxide 6.4-7.0 parts, white oil 4.0-6.0 parts, calcium carbonate 8.6-9.0 parts, barium sulfate 1.1-2.0 parts, talc 4.8-5.2 parts, sodium dihydrogen phosphate 4.4-5.0 parts, alum 0.4-0.6 parts, vegetable oil 4.0-6.0 parts, and water 12.3-13.0 parts. This topical plaster has excellent effects in reducing swelling and pain, and promoting blood circulation and removing blood stasis.

The invention discloses high-stability plywood and a production method thereof, and belongs to the technical field of plywood production. The plywood comprises a core layer, an upper surface layer and a lower surface layer, and the core layer is of a one-layer side-standing multi-layer veneer gluing structure and is formed by continuously shearing multi-layer plywood with the pre-pressing curing degree of 15%-25% through disc type scissors to form prismatic strips and then shaping and splicing the prismatic strips. The core layer is bonded with the upper surface layer and the lower surface layer by adopting an adhesive formed by mixing oil tea fruit powder and urea-formaldehyde resin adhesive, the particle size of the oil tea fruit powder is more than 130 meshes, the water content is 5-20%, and the weight ratio is 18-42%. The production method comprises the following steps: preparing the multi-layer board, shearing the prismatic strips, splicing the core layers, coating the composite adhesive, aging, veneering, performing hot press molding and the like. By optimizing the core layer structure and the adhesive formula, the size stability of the board is remarkably improved, the adhesive dosage and the formaldehyde emission are reduced, the production continuity is enhanced, the veneer utilization rate is increased, large-scale production of large-specification boards can be achieved, and the composite board is widely applied to the field of furniture, wooden door and wallboard manufacturing.

The application discloses a method for determining antibacterial activity of sesamin components of laurus nobilis and application thereof, and belongs to the technical field of antibacterial activity determination. The application carries out antibacterial research on laurus nobilis separation and purification products (sesamin and 9-hydroxyl sesamin), finds that 9-hydroxyl sesamin and sesamin have good inhibitory activity on mycosphaerella arachidicola, and provides a basic basis for studying the antibacterial activity of laurus nobilis.

The present invention discloses a borneol production fractionation device in the technical field of borneol production, the borneol production fractionation device comprises a steam kettle, the steam kettle is communicated with a communication pipe, the communication pipe is communicated with a condensation kettle, a condensation mechanism is arranged in the condensation kettle, the condensation mechanism comprises a plurality of condensation plates arranged in the condensation kettle, and the condensation plates are arranged in the condensation kettle in an array manner. A condensation cavity is formed between every two condensation plates, the condensation kettle is communicated with an exhaust pipe, and the condensation kettle is further provided with a collection mechanism, steam work can be continuously carried out, rubbing work can be intermittently carried out, condensation work is not affected, condensation can be continuously carried out under the condition that the condenser does not need to be opened, and the condensation efficiency is improved. Meanwhile, borneol on the condensing plate is collected, uninterrupted condensing production can be achieved, pause is not needed in the process, and the production efficiency is greatly improved.

The invention provides a cough-relieving and phlegm-eliminating composition and a preparation method thereof. The cough-relieving and phlegm-eliminating composition is prepared from the following raw materials: anhydrous morphine, anhydrous codeine phosphate, apigenin, liquiritin, isoliquiritin, liquiritigenin, isoliquiritigenin, glycyrrhizic acid, trans-anethole, camphor and sodium benzoate. The composition further comprises a luffa stem extract, an atractylodes lancea rhizome extract and a radix ranunculi ternati bark extract. The cough-relieving and phlegm-eliminating composition provided by the invention has the advantages of few impurities, clear and remarkable drug effect and small side effect. Under the action of the core antitussive drug, three plant extracts of luffa stem, Atractylodes lancea and Ranunculus ternatus Thunb. Are creatively added, so that the phlegm eliminating capacity and the overall antitussive effect of the whole formula are remarkably enhanced. The cough-relieving and phlegm-eliminating composition disclosed by the invention realizes the synergistic interaction of '1 + 1 + 1gt, 3' on the core indexes of inhibiting the cough frequency, prolonging the cough latency period, promoting sputum excretion and the like, and realizes the cough-relieving and phlegm-eliminating effects of treating both symptoms and root causes through the multi-target-point and multi-mechanism synergistic effect.