32 results about "Wood tissue" patented technology

The invention belongs to the field of manually planted Aquilaria senensis (Lour.) Gilg and relates to a microbial flora preparation for producing Chinese eaglewood wood and a matched bottle interpolation method. Eight endophytic strains of the Chinese eaglewood wood such as colored Botryodiplodia theobromae Pat are extracted and separated from natural Chinese eaglewood wood tissues, and are respectively disinfected and purified to obtain liquid flora preparations with Chinese eaglewood wood production capacity, and the obtained liquid flora preparations jointly act on the Aquilaria senensis (Lour.) Gilg. Meanwhile, the conventional matched infusion method is improvement on the bottle interpolation method; and by the ingenious bottle interpolation method, the disadvantages that a complete set of infusion apparatus is depended and the dripping speed is required to be constantly observed and adjusted in the conventional method are overcome. By the method, a microbial inoculum can be manually immersed into calluses of healthy Aquilaria senensis (Lour.) Gilg in batches and penetrate and infect protoxylem to promote a micro-circulation system in the protoxylem to secrete resin and produce the Chinese eaglewood wood in an abnormal metabolism mechanism.

The invention discloses a titanium-dioxide charcoal composite material and a preparation method thereof, and belongs to the field of semiconductor photocatalysts. According to the titanium-dioxide charcoal composite material, the microstructure of charcoal keeps the structure of wood tissue, titanium dioxide is uniformly dispersed on charcoal surface, and titanium dioxide has anatase phase and rutile phase at the same time. The method comprises: firstly performing pretreatment on a wood biological template; dipping the wood biological template in a precursor solution, using a sol-gel method or a hydro-thermal method to depositing TiO2 particles in micropores of the wood template, so as to obtain the wood biological template of titanium dioxide; and finally sintering in a muffle furnace to obtain the titanium-dioxide charcoal composite photocatalyst. The prepared titanium-dioxide charcoal composite material is applicable to remove environmental endocrine disruptors in water and other organic pollutants in water, has the adsorption removal rate of 32.3-86.5%, the photocatalysis removal rate of 11-20% and the total adsorption/photocatalysis synergic removal rate of 50.3-97.5%, and has relatively good application prospect.

The invention relates to a method for making an anti-abrasion and fire-retardant panel by quick growing wood. The method comprises the following processes: rotatably cutting a single board, preparing fire-retardant soaking glue, soaking the single board into the fire-retardant soaking glue, laying and densifying the panel and so on. The fire-retardant soaking glue is preparing by mixing urea-modified melamine glue, an intensifier and a flame retardant; the single board is obtained by rotatably cutting the quick growing wood; a vacuum pressurizing and impregnating process is adopted to make the soaking glue infilter wood tissues, so as to improve the performances of fire retardance, smoke abatement and agglutination; then three pieces of single boards are stacked and laid through crisscrossing textures of the single boards; and the thickness of the panel is 4+/- 0.5 mm, and the density reaches 1.0 to 1.2g/cm3 after the single boards are hotly pressed and densified. The panel has the advantages of fire retardance, smoke abatement, stable abrasion resistance, strong mildew resistance and strong weather resistance.

The invention discloses a primary fir wood culture bud induction method. The method comprises the following steps: inoculating an explant as a coppice shoot of a fir wood base part and subjected to sterile explant treatment to a bud induction culture medium subjected to high-quality primary culture, culturing under the conditions of proper temperature, humidity and illumination intensity, and inducing bud germination. The conventional fir wood induction technology is improved, the problems that the explant is subjected to browning and vitrifaction in the fir wood bud induction process and the like are solved, the fir wood bud induction rate, the budding index and the germination and growth conditions are improved, and large-number high-quality buds are obtained, so that the multiplication culture requirement is met, the establishment of a rapid fir wood tissue culture reproductive system is promoted, and the method has high economic benefits and social benefits.

The invention relates to the technical field of wood tissue culture seedling raising in forest science, in particular to a Tamarix chinensis tissue culture and rapid propagation method. The method includes: acquisition of aseptic seedlings, with an involved medium containing 6-BA, IBA, GA, sucrose and agar; subculture: inoculating the aseptic seedlings into a subculture medium to conduct culture so as to obtain clustered shoots, with the medium containing ZT, IBA, sucrose and agar; rooting culture: inoculating the clustered shoots into a rooting medium containing IBA, NAA, GA, sucrose and agar to obtain rooted tissue cultured seedlings; and acclimatization and transplantation. The propagation method has high propagation coefficient and short propagation cycle, the obtained seedlings are strong and have a lot of root systems, and the survival rate of transplantation is over 96%. The method provided by the invention omits the strong seedling culture step in conventional methods, improves propagation efficiency, makes the Tamarix chinensis tissue culture and rapid propagation technology move towards production from laboratories, realizes large-scale production of Tamarix chinensis tissue culture seedlings, and provides technical support for promotion of Tamarix chinensis rapid propagation.

The invention relates to the technical field of bamboo wood mould proofing and corrosion proofing, in particular to an outdoor bamboo wood natural mould-proof corrosion-proof agent and preparation andtreatment methods thereof. The bamboo wood natural mould-proof corrosion-proof agent is prepared from the following components in percentage by weight: 30-40% of industrial wastewater after stevia rebaudiana is processed to prepare stevioside, 5-10% of soapberry fruit, 20-30% of melia azedarach leaf, 10-15% of folium coptis chinensis and 10-20% of folium isatidis. According to the preparation method of the bamboo wood natural mould-proof corrosion-proof agent, conventional decoction or alcohol extraction is adopted; the method for treating bamboo wood by means of the bamboo wood natural mould-proof corrosion-proof agent comprises the steps that after the bamboo wood is placed in hot water for soaking treatment or placed in an ethyl alcohol solution for soaking treatment, the bamboo wood natural mould-proof corrosion-proof agent is used for treatment. The outdoor bamboo wood natural mould-proof corrosion-proof agent and the preparation and treatment methods thereof have the beneficialeffects that firstly, the bamboo wood is placed in the alcohol solution for soaking to make large amounts of starch, sugar, protein and other salt substances in bamboo wood tissues are extracted through alcohol; therefore, the condition that the natural organic mould-proof corrosion-proof agent penetrates through parenchyma cells and vascular bundles of the internal tissues of the bamboo wood is more easy; the mould-proof corrosion-proof agent is prepared from the natural organic extracts and do not have any toxicity or cause pollution problems to the environment.

The invention discloses a method and a tool for machining a rod-shaped reconstructed wood unit. The method comprises the following steps of: cutting wood along the longitudinal direction of the fiber of the wood according to the set depth by using a scratching knife with more than two blades without sawdust; generating lateral separation and generating a scratching knife mark by the wood tissue with the set depth; cutting along the longitudinal direction of the wood by using the scratching knife blade in the direction vertical to the depth of the scratching knife mark; and cutting the wood toform a wood-wool rod. The middle boss of the base of a cutter is provided with dovetail grooves; one side surface of each dovetail groove is provided with a rectangular path; a plane cutter is arranged in the dovetail groove on the side, and the scratching knife is installed in the dovetail groove on the other side; the scratching knife and the plane cutter are fixed on two sides of the dovetail groove by press cakes; the scratching knife and the plane cutter are higher than the top surface of the boss; and a gap is formed between the inclined bottom surface of each press cake and the blade of the plane cutter. The wood-wool rod is easy to realize directional pavement when a wood assembly is reconstructed. The wood is cut longitudinally along the vertical grain without sawdust. The tool has the advantages of small noise, small cutting resistance, no dust pollution and high processing efficiency.

The invention discloses a dissoluble cleaning tissue wholly made of wood pulp. The dissoluble cleaning tissue is characterized in that a wood pulp tissue body is included and comprises a wood pulp fiber long diameter part and a wood pulp fiber short diameter part, the wood pulp fiber long diameter part is composed of continuous wood pulp fibers, the wood pulp fiber short diameter part is composed of wood pulp fibers with the length within the range of 35-150 mm, the content of the wood pulp fiber long diameter part is 95%, and the content of the wood pulp fiber short diameter part is 5%; the wood pulp tissue body is soaked with blended medicine liquid, and the blended medicine liquid comprises a bacterium remover, a corrosion remover, a thinner, an emulgator and humectant. According to the dissoluble cleaning tissue wholly made of the wood pulp, the proportion of the wood pulp fibers is changed, so that the elasticity of the wood pulp tissue is enhanced, the use comfort level is improved, the dissolving effect of the wood pulp tissue is better, and the wood pulp tissue is not likely to block a pipeline; the blended medicine liquid with the reasonable proportion is added so that the sterilizing and disinfecting effect of the wood pulp tissue can be better, and safety is high; broken lines are additionally arranged on the wood pulp tissue, and thus use is more convenient.

The invention relates to a bamboo wood reinforcing and synergistic treatment method. A nano cellulose dispersion liquid is prepared by adopting a sulfuric acid hydrolysis method, nano-zinc oxide is generated on the surface of nano-cellulose in situ by taking the nano cellulose dispersion solution with a certain concentration as a precursor solution, and a cellulose dispersion liquid is compoundedand improved and is impregnated into pores of bamboo wood in a specific mode to fill, bond and reinforce wood tissues, so that the hardness, strength and size stability of the treated material are enhanced, and the mildew-proof and corrosion-proof performance is obviously improved. The method is suitable for reinforcing and synergistic treatment of loose wood such as fast-growing wood and man-madeforests, and is also suitable for reinforcing and repairing of mildly rotten wood.

The invention discloses a method for accurately extracting DNA from wood targeted cells; through removal of exogenous pollution on a wood surface, in-situ detection of wood DNA, radial section of woodtissues, precise separation of the wood targeted cells enriched in DNA under an inverted microscope, cracking of wood cell walls, removal of a wood extract, DNA precipitation and adsorption, dissolution, purification, PCR amplification and other steps, DNA is extracted accurately from the wood tissues. The method aims at the wood targeted cells to carry out DNA accurate extraction, the quantity and purity of DNA extracted from the wood tissues are improved, and the interference of other types of cells of wood on DNA extraction is reduced. The method can be directly applied to study of molecular biology and provide a new technical support for identification of wood species.

The invention belongs to the technical field of thin-bark wood tissue culture and rapid propagation, and particularly relates to a thin-bark wood tissue culture and rapid propagation culture medium and a thin-bark wood tissue culture and rapid propagation method, the thin-bark wood tissue culture and rapid propagation culture medium comprises a starting culture medium, a proliferation culture medium and a rooting culture medium, the proliferation culture medium takes the starting culture medium as a basic culture medium, and 0.5-3.0 mg of ZT is added into each liter of the basic culture medium; a rooting culture medium takes 1/2 MS as a basic culture medium, and 20-30 g of cane sugar, 5-7 g of agar, 0.1-0.5 mg of IBA and 0.05-0.1 mg of NAA are added into each liter of 1/2 MS. By utilizing the culture medium provided by the invention, the maximum multiplication coefficient can reach 6.03, and the rooting rate can reach 100%.

The invention discloses a method for detecting microorganisms in wood. The method for detecting microorganisms in wood of the present invention first needs to pretreat the wood in a constant temperature and humidity box to keep the moisture content at about 20%, and then after the surface is sterilized, the sawdust is drilled quantitatively and at a certain depth, and after adding β-mercaptoethanol The dodecyltrimethylammonium bromide (DTAB) solution was cracked to extract the total microbial genetic material in the wood tissue cells, and then the microbial information in the wood was obtained through amplification and sequencing, and the microbial species in the wood were determined. Compared with the traditional separation method, the method of the present invention can obtain more complete wood microbial information, which is beneficial to the effective prevention and control of wood decay or the degradation of wood, and effectively makes up for the fact that the current detection of wood microbes cannot be separated from separation, purification and The shortcomings of the traditional method of tissue culture provide a new test method for the biodegradation and control of wood.

The invention discloses a method for extracting santalum album high-content essential oil tissue total RNA. The method for extracting the santalum album high-content essential oil tissue total RNA comprises the following steps: grinding santalum album wood tissue fluid in liquid nitrogen so as to obtain powder; adding the powder into Tris-HCl extraction liquid, carrying out freezing treatment at -80 DEG C, and carrying out centrifuging so as to obtain liquid supernatant; adding sodium acetate and isopropanol into the liquid supernatant so as to have RNA precipitated, carrying out centrifuging,and dissolving the precipitates by using a TE buffer solution; adding cetyltrimethylammonium bromide into the dissolved precipitates, carrying out uniform mixing, carrying out extraction by using chloroform / isoamyl alcohol, and centrifuging the extract so as to obtain liquid supernatant; and then, adding lithium chloride into the liquid supernatant so as to carry out RNA precipitation overnight, centrifuging the precipitated RNA, and washing the centrifuged RNA by using ethanol so as to obtain the total RNA. Being tested by using Nanodrop, the santalum album wood tissue total RNA extractedby the method disclosed by the invention has an OD<260> / OD<280> ratio of 2.0 or above, an OD<260> / OD<230> ratio of 2.3 or above, an RNA concentration in aqueous solution of 800.0 ng/[mu]L or more,and RIN higher than 7.5-1; and 1.0% denaturing agarose gel electrophoresis shows that the RNA strip is clear and good in integrity, so that the santalum album wood tissue total RNA has the advantagesof being high in quality and high in concentration.