13 results about "Bamboo culm" patented technology

This invention discloses a highly efficient propagation method for clump-forming bamboo based on pre-cultivated bamboo, relating to the field of clump-forming bamboo propagation technology. The method includes the following steps: selecting a nursery site, applying well-rotted farmyard manure as base fertilizer, drying it, then digging planting holes, spraying a bud-promoting agent solution onto the buds at the base of the mother bamboo culm, planting the mother bamboo seedlings with the culm petioles facing downwards, the shoots arranged on both sides, and the bamboo stumps placed obliquely in the planting holes, covering with soil in layers and compacting, watering, and managing the seedlings after planting; during the shoot growth period, diluting the bud-promoting agent solution and applying it along a circular trench around the mother clump, then covering with fallen leaves and keeping the soil moist, pruning the tops after new culms emerge; the following year, digging up the seedlings, leaving weaker seedlings, retaining part of the mother clump's bamboo stump, re-covering with soil, and allowing the mother clump to continue growing. The highly efficient propagation method for clump-forming bamboo provided in this application can improve propagation efficiency, shorten the seedling cycle, and effectively solve the problems of low propagation coefficient, unsustainable mother clump utilization, high seedling costs, and unstable seedling quality in existing technologies.

The method for promoting formation of melanin on the skin of the black bamboo poles comprises the following steps that 1, black bamboos with the consistent growth vigor are selected, floating ash on the surfaces of the black bamboos is wiped away for use, and gauze and a plurality of materials for wrapping are prepared; 2) preparing a H2O2 solution with a certain concentration on site; (3) the H2O2 solution is smeared on the surface of the green rod of the black bamboo through gauze, the smeared part is wrapped with a wrapping material, the wrapping material is taken down after acting for a period of time, and the wrapping material is naturally aired; 4, the operation in the step 3 is repeated until the skin of the black bamboo stalk is turned into purple black.According to the method, the green black bamboo stalk is treated with the 1% H2O2 solution, formation of melanin on the skin of the black bamboo stalk can be accelerated, the black bamboo stalk color forming time is shortened to about 40 days from original about 120 days, the ornamental period of the black bamboo can be advanced, and the industrial value of the black bamboo can be increased.

The application discloses a novel connecting structure for large-span steel-bamboo buildings, and belongs to the technical field of large-span buildings. The connecting structure comprises a supporting body which is formed by mutually splicing a plurality of connecting units, long steel-bamboo poles are connected to the periphery of the supporting body, a central lifting point is arranged directly above the supporting body, and a plurality of lifting pieces are connected between the supporting body and the central lifting point. The connecting unit comprises a plurality of short steel-bamboo poles which are in equal-angle radial distribution and are connected at the ends, and the ends of the short steel-bamboo poles are fixed through connecting nodes. Two adjacent connecting units are connected through the connecting nodes or through a shared short steel-bamboo pole. The novel connecting structure for large-span steel-bamboo buildings fully utilizes the initial vertical form of natural steel bamboo, and combines the novel connecting node to form a novel building structure system, which is characterized by low cost, structural safety and building aesthetics, and can be used for large-span steel-bamboo buildings.

The present application relates to the technical field of multilayer composite fabric, in particular to a waterproof and antibacterial polyester multilayer composite fabric and a preparation process thereof.The waterproof and antibacterial polyester multilayer composite fabric comprises a core layer fabric and a waterproof and antibacterial fiber layer on the front and back surfaces of the core layer fabric.In the present application, alkaloids in bamboo culms are separated, combined with polyamide amine PAMAM-G3-NH2 through a reaction to obtain a PAMAM-alkaloid compound, and then combined with vanillin amine hydrochloride and bamboo cellulose nanocrystal through a Schiff base reaction, which significantly improves the bonding strength of natural alkaloids and the fiber base, and the prepared composite antibacterial agent is spun together with a polyurethane polymer solution, so that the composite antibacterial agent can be uniformly dispersed and stably embedded in the waterproof and antibacterial fiber layer, thereby effectively avoiding the shedding of the antibacterial components in the daily rubbing, folding and repeated washing processes, and ensuring the stability of the long-acting antibacterial performance.

The preparation method comprises the following steps that S1, materials are prepared, specifically, poplar, basswood, small-diameter bamboo rods and middle and root wiredrawing round bars of moso bamboos of specific specifications are selected, and sawing, drying and re-cutting treatment are carried out on the poplar, the basswood, the small-diameter bamboo rods and the middle and root wiredrawing round bars of the moso bamboos; s2, performing high-temperature and high-humidity carbonization and primary straightening: performing high-temperature and high-pressure treatment on the bamboo round bars, and then putting the bamboo round bars into a straightening grinding tool device for straightening; and S3, anti-mildew, anti-cracking and softening treatment, wherein the bamboo / wood round bars are subjected to anti-cracking composite solution dipping, air drying, paraffin treatment and drying. Dependence on wood during pencil manufacturing can be reduced, wood resource pressure is relieved, meanwhile, the resource utilization rate is increased, resource waste is reduced, in addition, the production process is simplified, the labor cost is reduced, automatic production is easier to achieve, production smoothness and stability are improved, and meanwhile better performance and appearance are achieved; the diversified requirements of consumers are met, and the development of the pencil industry is promoted.

The application provides a method for removing bamboo culm stump of moso bamboo, and specifically comprises the following steps: step one, drilling a plurality of holes in the vertical direction on the surface of the bamboo wall, and then spraying a pretreatment liquid on the surface of the bamboo culm stump; step two, filling a composite bacterial solution in the holes, and then spraying a nutrient solution; after 20-25 days, filling a rotting catalyst in the holes until the bamboo culm stump is rotten; and step three, after the bamboo culm stump is rotten, returning the bamboo culm stump to the field in situ, and applying a modifier to the soil around the bamboo culm stump. Compared with the prior art, the application can significantly reduce the rotting period of the bamboo culm stump, significantly improve the degradation rate of bamboo fiber and the content of soil organic matter, and balance ecological safety and economic benefits.

The invention discloses a bathroom cabinet and aims to provide a bathroom cabinet made of bamboo materials and a processing method of the bathroom cabinet. The bathroom cabinet is easy to process, large in raw material obtaining amount, low in production cost and good in waterproof performance of finished products, and the bathroom cabinet is characterized in that baffles are provided with three layers of composite materials, so that the comprehensive performance of the bathroom cabinet is improved; a plurality of bamboo poles are spliced to form an internal foundation structure of the baffle, bamboo is firm in overall structure and high in toughness, a firm structural foundation is provided for the bathroom cabinet, bamboo resources are rich, the growth period is short, the cost of raw materials is greatly reduced, after the bamboo is spliced, the splicing positions of the bamboo poles are filled with sealing layers, and the service life of the baffle is prolonged. Inevitable recesses and gaps appearing at the upper and lower ends of the spliced bamboo poles can be effectively filled, a tight waterproof barrier can be formed on the surface, moisture is prevented from permeating into the main material, and the waterproof bamboo pole is suitable for the technical field of household production in bathrooms.

The invention discloses a simple bamboo stalk runoff and penetration rainfall monitoring device, relates to the technical field of bamboo forest rainfall monitoring, and solves the problems of high cost, complex operation and poor power supply and data acquisition stability of a self-recording rain gauge system in the prior art. Comprising a collecting box, and a partition plate is arranged in the collecting box and divides the collecting box into a first water collecting cavity and a second water collecting cavity; a first cover plate is arranged at the position, corresponding to the first water collecting cavity, of the collecting box, and a second cover plate is arranged at the position, corresponding to the second water collecting cavity, of the collecting box. The penetrating rainfall collection unit is used for collecting penetrating rainfall; the bamboo stalk runoff collecting unit is used for collecting bamboo stalk runoff rainfall; through the design of combining a pure mechanical structure and simple electrical assistance, low-cost, easy-to-operate and high-stability monitoring of bamboo forest penetration rainfall and bamboo stalk runoff is realized, a complex power supply and data acquisition system is not needed on the whole, and the device is suitable for long-term field arrangement.

The invention discloses a method for multi-dimensional comprehensive utilization of all bamboo of bamboo reed, and belongs to the field of comprehensive utilization of biomass resources. According to the method, all components of the bamboo reed are separated through raw material pretreatment, multi-industry conversion of bamboo stalks, bamboo leaves, bamboo sheaths and bamboo roots is achieved through the processes of steam explosion, extraction, modification and the like, and by-products are subjected to biogas fermentation to form closed-loop utilization. Optimized process parameters are adopted, the resource utilization rate exceeds 95%, seven industries are covered, remarkable ecological and economic benefits are achieved, the process is mature and controllable, industrial popularization is easy, the problems of waste, low additional value and the like in the prior art are solved, and a support is provided for efficient utilization of the bamboo reed.

The application discloses a kind of for non-destructive fast evaluation of bamboo physical mechanics property prediction model construction method, mainly including collecting the growth information of target bamboo and the positioning information of the sample site where it is located;The bamboo culm of target bamboo is determined for physical mechanics property, and the measured physical mechanics property data is obtained;Correlation analysis is carried out on growth information, positioning information and measured physical mechanics property data, and the index significantly related to physical mechanics property is selected as model input variable;Based on model input variable and measured physical mechanics property data, the prediction model for predicting the physical mechanics property of bamboo is constructed.The application introduces regional grouping effect and spatial autocorrelation structure when establishing the correlation model of bamboo culm growth character and bamboo physical mechanics property, so that the final prediction model can non-destructively determine the growth character of bamboo, quickly evaluate the physical performance of bamboo, and then greatly improve the grading utilization and high-value processing efficiency of different quality bamboo resources.

This invention discloses a bamboo fiber, its preparation method, and a bamboo fiber wound hydrogen storage tank. The preparation method of the bamboo fiber includes the following steps: cutting natural bamboo into equal-length bamboo poles and pretreating them by soaking them in boiling water to remove water-soluble organic matter; mixing hydrogen peroxide, organic acid, and H2SO4 in a certain proportion to prepare a peroxyacid solution, wherein the concentration of hydrogen peroxide in the peroxyacid solution is 7-24 wt%, the concentration of organic acid is 15-55 wt%, and the concentration of H2SO4 is 0.5-3 wt%; soaking the pretreated bamboo poles in the peroxyacid solution at 50-60℃ for 12-20 hours to obtain bamboo fiber; then soaking the bamboo fiber in an alkaline solution for neutralization, and washing it after neutralization; vacuum drying the washed bamboo fiber and twisting it to extend its length to obtain long fiber; and applying microwave irradiation to the long fiber to obtain the final product.

This invention provides a lung-moistening lotion and its application in the preparation of products for preventing lung injury caused by environmental pollutants. The invention uses loquat leaf extract and bamboo culm extract as active ingredients, employing a low-temperature treatment and mild water extraction process, and compounding them in a specific ratio. The synergistic effect of these two ingredients significantly reduces intracellular reactive oxygen species levels, restores antioxidant defense capabilities, inhibits abnormal expression of inflammatory factors, and improves lung function-related indicators. The product of this invention has high safety, is suitable for long-term consumption, and can be used to prepare functional foods, health foods, or respiratory care products. It also shows promising application prospects in the prevention of lung injury related to nanoplastics.