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A method for topping and pruning cigar tobacco leaves
This invention discloses a method for topping tobacco leaves in cigar tobacco cultivation. This method ensures uniform growth of tobacco plants in the field, regulates nicotine content in the leaves, and improves yield and overall usability. The method includes the following steps: S1, Timing Determination: The optimal time for topping is determined when the tobacco plant has 14-16 leaves, with the top leaf reaching 2-3 cm in length; S2, Topping Operation: The top growing point of the tobacco plant is removed; S3, Post-processing: The removed growing point is collected and disposed of outside the field. Topping can improve tobacco quality, promote leaf growth and biomass, thereby increasing yield; it can make leaves thicker, more oily, and better colored; it can also effectively regulate the content of nicotine and other chemical components in the tobacco leaves, making them more balanced, thus improving intrinsic quality; and it can also improve the overall usability of the tobacco leaves.
Owner:YUNNAN ACAD OF TOBACCO AGRI SCI
A method for hot isostatic pressing densification of ball valve core coating.
PendingCN122081842AUniform thicknessUniform densityHot-dipping/immersion processesThermoplasticPolymer science
This invention discloses a hot isostatic pressing densification method for impregnated coating of ball valve cores, belonging to the field of metal surface coating technology. The method specifically includes the following steps: (1) substrate pretreatment and coating preparation; (2) activation of the coating's thermoplastic state; (3) encapsulation-type near-isostatic pressing densification treatment; and (4) unloading, cooling, and finishing. The core of this invention lies in the synergistic effect of "thermoplastic softening" and "uniform pressure application with full spherical encapsulation." By applying a uniform pressure of approximately isostatic pressure to the coating in its thermoplastic state, the internal pores are efficiently closed, improving the coating's density and overall mechanical properties without damaging the coating's integrity or the workpiece's geometric accuracy.
Owner:Liupanshan Laboratory
A multifunctional citrus fruit bag
This utility model provides a multifunctional citrus-specific fruit bag, relating to the field of citrus planting technology. It includes a first bag body and a second bag body disposed within the first bag body. The inner side of the first bag body is provided with a mesh bag, and the first bag body has ventilation holes. The bottom of the second bag body has a breathable cotton layer, and the second bag body has breathable micropores. This utility model can improve air permeability while also providing good insect-repellent effects.
Owner:GUANGDONG ECO ENGINEERING POLYTECHNIC
Injection mold with easy disassembly
Owner:SICHUAN LONGXIN TECH PACKING
Special organic fertilizer for preventing and controlling tobacco black shank and preparation method thereof
PendingCN122079701AHigh porosityrelease fullyBio-organic fraction processingMicroorganism based treatmentNicotiana tabacumWood ash
The invention discloses a special organic fertilizer for preventing and controlling tobacco black shank and a preparation method thereof.The special organic fertilizer is prepared from corn straw, rice husk charcoal, a biological leavening agent, limonin, salicylic acid, plant ash, shrimp shell powder and soluble potassium silicate, and the biological leavening agent is tarlaromyces flavus powder; the preparation process comprises the following steps: acidizing the prawn shell powder, crushing and fermenting the corn straws, the rice husk charcoal and the acidized prawn shell powder, increasing the activity of the tarlaromyces flavus powder by using limonin and salicylic acid, carrying out secondary fermentation, and finally granulating and drying. The growth and development of tobacco root systems are promoted, the stress resistance of the tobacco is enhanced, and the occurrence of soil-borne diseases is reduced, so that the yield of the tobacco is increased. Meanwhile, the tobacco absorbs more comprehensive and balanced nutrients, and the internal quality of the tobacco leaves is improved.
Owner:QIANNAN JINFU
A foaming system and a method for controlling the compressed air flow rate of the foaming system.
PendingCN122086168AStable physical propertiesEnsure consistencySimultaneous control of multiple variablesComputer control systemProcess engineering
This application relates to a foaming system, including an air supply unit, a foaming unit, and a host computer control system. The air supply unit includes an air source and an air delivery pipeline. A proportional valve, an air flow regulating valve, and an air flow meter are connected in series on the air delivery pipeline. A pressure acquisition element is installed inside the air delivery pipeline, configured to monitor the downstream pressure value of the proportional valve in real time. The host computer control system is configured to set the air flow value and control the opening degree of the proportional valve and the air flow regulating valve, while simultaneously controlling the loading pressure value of the air source, ensuring that the loading pressure value of the air source is maintained at least 0.2 MPa higher than the downstream pressure value of the proportional valve. This application also relates to a method for controlling the compressed air flow rate of the foaming system, applied to the foaming system disclosed in this application. This application ensures that compressed air is stably delivered to the foaming system at the set flow rate through the coordinated control of the proportional valve and the air flow regulating valve, combined with a dynamic balance design between the air compressor loading pressure and the downstream pressure of the proportional valve.
Owner:NINGBO BEIXIN BUILDING MATERIAL