8 results about "Rubberwood" patented technology

The invention relates to the technical field of rubber tree bark beetle prevention and control and green ecological prevention and control, in particular to a rubber tree bark beetle attractant and lure preparation and application thereof. Comprising the following components in parts by weight: 1 part of (S)-cis-verbenol, 1 part of isoamyl alcohol, 1 part of longifolene and 6500 parts of absolute ethyl alcohol. The attractant can attract bark beetles on rubber trees, has the advantages of being good in attraction effect, long in lasting period, environmentally friendly and the like and is suitable for long-term monitoring and efficient prevention and control of bark beetle populations on the rubber trees, and the attraction core is not affected by terrains and terrains when applied.

The present application relates to the technical field of artificial feeding of small insects, in particular to rubberwood small insects rubber tree wood chip cultivation feed and artificial feeding method. The rubberwood small insect cultivation feed comprises yeast powder, weiss salt, casein, starch, sucrose, agar powder, streptomycin sulfate, wheat germ oil, anhydrous ethanol, rubber tree wood chip and deionized water. The rubberwood small insect feeding method comprises the following steps: obtaining rubberwood small insect female adults; inoculating rubberwood small insect female adults; and feeding rubberwood small insects in a climate box. The artificial feeding method of rubberwood small insects provided by the present application can obtain stable test insect sources, provide insect source guarantee for studying the biological and ecological characteristics of rubberwood small insects, and further lay a theoretical foundation for formulating rubberwood small insect prevention and control measures.

This invention belongs to the technical field of building decoration materials and relates to a digitally printed rubberwood finger-jointed core flooring. It includes a core layer, on the surface of which, from top to bottom, are a coating layer, a printing layer, a primer layer, a top layer, and a first balancing layer. Below the back of the core layer are a second balancing layer and a backing board. The core layer is made of rubberwood finger-jointed material, joined by finger-joints along the length of rubberwood strips and spliced ​​along the width. Stress grooves are provided on the surface of adjacent rubberwood strips away from the finger-joints. The width of the stress grooves is 0.5–0.6 mm, the depth is 1.0–2.0 mm, and the length is between the width of one and two rubberwood strips. The distance between two adjacent stress grooves is not less than 0.2 mm. The thickness of the printing layer is 0.01–0.1 mm. The production process is also disclosed. This invention controls structural stability through structural adjustments, making it less prone to deformation and cracking; the combination of paint coating and digital printing fully utilizes low-grade wood raw materials.

The invention discloses a mcl-PHA production method based on a wood and agricultural waste composite carbon source, and relates to the technical field of bio-manufacturing, the method comprises the following steps: adopting Pseudomonas putida BWCC66157 to carry out fermentation in an improved M9 minimum culture medium; a lignin-derived carbon source (such as vanillic acid) is used as a basic substrate; respectively introducing rubber wood hydrolysate and oil palm pomace palm oil as co-substrates; the directional regulation and control of the composition of the mcl-PHA monomer are realized by regulating and controlling the ratio of the co-substrate; and extracting the PHA by adopting a conventional method and detecting the monomer composition of the PHA. The PHA yield can be increased, new monomer components can be obtained, high-valued utilization of wood carbon sources and agricultural waste is achieved, and a new technical approach is provided for production of low-cost and degradable biological materials.

The invention belongs to the technical field of ground paving materials, and relates to an EB-cured polypropylene film veneer rubber wood core composite floor, a gluing layer is arranged between a surface decoration layer and an improved three-layer rubber wood core solid wood composite floor base body layer, the surface decoration layer is an EB-cured polypropylene film, and the rubber wood core solid wood composite floor base body layer is an EB-cured polypropylene film. The thickness of the rubber wood core solid wood composite floor base body layer is 10-18 mm, the rubber wood core solid wood composite floor base body layer sequentially comprises a base material surface layer, a base material core layer and a base material bottom layer, the base material surface layer, the base material core layer and the base material bottom layer are pressed into an integrated sandwich type structure according to criss-cross textures, and the base material core layer is a rubber lignin face finger joint integrated board. The invention further discloses a production process of the floor. The main body structure rubber wood core and the wood layers with the upper surface and the lower surface being symmetrical structures are adopted, a low-temperature high-pressure short-period hot-press forming mode is adopted in the whole, and the floor is stable in performance and structure, not prone to deformation and suitable for the geothermal environment; the base material main body adopts rubber wood core finger joint, finger joint strip-shaped small blocks can effectively avoid defect positions, and rubber wood is fully utilized.

The utility model relates to the technical field of electric welding machines, and discloses a handheld welding machine which comprises a welding machine shell. The control circuit board is arranged in the welding machine shell; the heat dissipation block is provided with a channel in the direction from the air inlet to the air outlet. The cooling fan is arranged in the welding machine shell; the locking device comprises a welding rod clamp, square bakelite, a cover head and a locking piece. The first end of the welding rod clamp is arranged in the welding shell and electrically connected with the second circuit board, the second end of the welding rod clamp extends out of the welding shell, the welding rod clamp is provided with a mounting hole used for mounting a welding rod, and the welding rod clamp is provided with a first locking hole; the square bakelite is arranged on the second end part of the welding rod clamp in a sleeving manner and is provided with a second locking hole; the cover head covers the square bakelite; the locking piece fixes the welding rod through the second locking hole and the first locking hole. The welding rod is fixed and the heat dissipation function is added by adopting a simple and convenient structure.

The utility model relates to the technical field of rubber wood waste crushing, in particular to a rubber wood waste crushing device which comprises a device box body mechanism, the device box body mechanism comprises a feeding pipe, the feeding pipe is installed at the top end of the device box body mechanism, a feeding hopper is installed at the top end of the feeding pipe, a first groove is formed in the side wall of one end of the device box body mechanism, and a second groove is formed in the side wall of the other end of the device box body mechanism. And mounting frames penetrating through the first grooves are mounted on the side walls of the two sides in the device box body mechanism, driving rollers are rotationally mounted in the mounting frames, and conveying filter screens are mounted on the outer walls of the driving rollers. According to the rubber wood waste extrusion device, firstly, an electric lifting rod ascends and descends to drive a first extrusion plate to ascend and descend in the feeding hopper, so that the first extrusion plate ascends and descends to extrude rubber wood waste in the feeding hopper, and therefore the rubber wood waste in the feeding hopper can be extruded through ascending and descending of the first extrusion plate; and therefore, the rubber wood waste in the feeding hopper can be conveniently crushed.

The utility model relates to a novel energy-saving environment-friendly rubber wood board which comprises a plurality of sets of rubber wood filling parts, a wood-plastic composite part and a ground mat composite part, the outer edges of the wood-plastic composite part and the ground mat composite part are mutually bonded and fixed in an aligned mode, and the space between the wood-plastic composite part and the ground mat composite part is filled with the multiple sets of rubber wood filling parts in a spaced mode. According to the novel energy-saving and environment-friendly rubber wood board, through the arrangement of the multiple sets of rubber wood filling parts, the wood-plastic composite parts and the ground mat composite parts, small rubber wood can be utilized, and wood waste can be reduced; in addition, when the novel energy-saving and environment-friendly rubber wood board is used as a floor for laying, a floor mat does not need to be additionally laid, and the novel energy-saving and environment-friendly rubber wood board can be directly laid and used in an integrated mode. In addition, the novel energy-saving and environment-friendly rubber wood board can further have good compression resistance, bending resistance and moisture resistance, and therefore the service life of the novel energy-saving and environment-friendly rubber wood board can be prolonged.