8results about How to "Overcome environmental problems" patented technology

The invention relates to the technical field of agricultural information and seed and seedling cultivation, and discloses a peanut planting method for relieving continuous cropping obstacles of peanuts. The method comprises the following steps: constructing initial digital twins of a land parcel, and synchronously constructing a disease-resistant peanut variety screening and seedling pretreatment system; historical continuous cropping information, soil physicochemical and microorganism data, meteorological time sequence data and seedling cultivation parameters are fused, the system is driven to evolve into operation state digital twins, and seedling-soil-environment collaborative simulation is achieved. Evaluating the continuous cropping obstacle risk and the seedling adaptability based on the twinborn body, and generating a comprehensive diagnosis report containing a nutrient imbalance index, pathogenic bacteria abundance prediction, a root exudates cumulative effect and a seedling disease-resistant adaptation coefficient; according to the method, differentiated seed and seedling optimization, soil improvement and cultivation strategies are implemented, and management measures are dynamically optimized through real-time data feedback in a growth cycle. Through cooperative driving of digital twinning and seed and seedling cultivation, source prevention, control and intervention of continuous cropping obstacles are achieved.

The utility model relates to carbon fiber half shaft joint technical field, concretely is a kind of three-section type hexagonal metal joint for carbon fiber half shaft, including connecting end, transition reinforcing section and joint assembly, the transition reinforcing section is arranged between connecting end and joint assembly and the both ends of transition reinforcing section are respectively fixedly connected with connecting end and joint assembly, the connecting end, transition reinforcing section and joint assembly integrated molding are formed.The application adopts the technical scheme of three-section type regular hexagonal metal joint, and reliable connection of carbon fiber hollow half shaft and titanium alloy transmission end is realized by integrated molding mode;The core of the scheme lies in the synergistic cooperation of three-section structure layout and regular hexagonal cross section design, combined with the optimized nail connection configuration, while ensuring lightweight, significantly improve the torsional properties and reliability of joint.

The application discloses a kind of package printed matter printing quality detection method, it is related to industrial visual detection technical field.The present application, including the following steps: S1.Synchronous acquisition is detected package printed matter surface visible light image, multispectral image and three-dimensional point cloud data;S2.visible light image, multispectral image and three-dimensional point cloud data are respectively preprocessed, and are registered by pre-calibrated space transformation relationship, obtain the multi-modal data tensor of pixel-by-pixel alignment.The present application, by visible light, multispectral, three-dimensional point cloud multi-modal synchronous acquisition and depth fusion, realized to texture, composition, topographic defect full coverage detection, substantially reduce the rate of missed detection;Cross-modal cross attention mechanism realizes the deep interaction and complementary enhancement between different modal characteristics, significantly improves the recognition ability to composite, low contrast defect;Self-adapting illumination compensation and based on BRDF material correction technology effectively overcome the influence of environmental fluctuation and material difference, guarantee the high stability and strong adaptability of detection system.

This invention discloses a triphenylamine-mediated photocatalytic isomerization method for olefins from E to Z, belonging to the field of organic synthesis technology. This invention uses triphenylamine and 4-nitrotriphenylamine, triphenylamine compounds, as photocatalysts to catalyze the E-Z isomerization of olefins. Their molecular structures have a propeller configuration, which can drive olefin configuration inversion through triplet energy transfer without the need for metal participation, achieving low-cost, highly stable, and mild E-Z isomerization of olefins. This invention is carried out at room temperature, without the need for high temperature and pressure, resulting in low energy consumption and environmental friendliness. It has a wide substrate applicability, exhibiting good catalytic activity for olefins with different substituents such as methyl, halogen, cyano, and hydroxyl groups, with product yields reaching up to 92%. The operation is simple, the reaction process is straightforward, and it is suitable for large-scale production applications.

The invention discloses a composite fiber reinforced high-molecular polymer-solid waste-based marine grouting material and a preparation method thereof. Solid wastes such as recycled concrete micro powder are used as main raw materials, high-molecular polymers and composite fibers are compounded, and the total solid waste mixing amount is 51%-75%. The preparation method comprises the steps of raw material pretreatment, dry powder mixing, fiber dispersion, polymer mixing, wet mixing and the like, uniform mixing of all the components can be guaranteed, and the fiber dispersity is excellent. The grouting material has high compression resistance and tensile strength and excellent freezing and thawing resistance and marine medium corrosion resistance, can effectively resist complex load and severe environment corrosion in ocean engineering and prolong the service life of a structure, is simple in preparation process, is suitable for industrial production, and can be widely applied to grouting connection of foundation structures of ocean engineering such as offshore wind power and the like.

The invention relates to a pretreatment method for industrial coating of a hydraulic workpiece. The pretreatment method comprises the steps that S1, other attachments except greasy dirt on the outer surface of the hydraulic workpiece are removed; s2, oil stain treatment is conducted, specifically, the hydraulic workpiece treated in the S1 is soaked and washed with circulating alkaline water so as to remove oil stains on the hydraulic workpiece; s3, anti-flash-rust treatment is conducted, specifically, the hydraulic workpiece treated in the S2 is soaked and washed in a sectional mode through a circulating anti-flash-rust agent; and S4, the hydraulic workpiece treated in the S3 is directly used for industrial coating after being dried. The method has the beneficial effects that the adhesive force of a coating object is improved, the coating repair rate is reduced, the defects that degreasing of a traditional stand column and a jack is affected by the environment and the process is complex before the water paint coating process are overcome in the whole degreasing process, the process is simple and efficient, meanwhile, it is ensured that the green manufacturing target is achieved, and the production cost is reduced. The purposes of energy conservation, emission reduction and cost reduction are achieved.

The invention discloses a molecular marker closely linked with a rape pod length character and application of the molecular marker, and relates to the field of plant molecular biology. The molecular marker provided by the invention is C4-ID28, and comprises a forward primer and a reverse primer of which the nucleotide sequences are respectively shown as SEQ ID NO.1 and SEQ ID NO.2. Through identification, the primer of the molecular marker can be used for genotype identification in the early stage of breeding, and when the amplification result of the primer is a single electrophoretic band, the single plant is judged to be in a short-silique phenotype; and if the amplification result is two electrophoretic bands, determining that the single plant is in a long-silique phenotype. The primer can accurately screen the silique length phenotype, significantly improve the selection efficiency and reduce the field workload, thereby accelerating the breeding process.

The invention discloses an all-ionic liquid extraction system and a short-process vanadium electrolyte preparation method based on the all-ionic liquid extraction system, and belongs to the technical field of vanadium product preparation. According to the specific scheme, the method comprises the following steps: (1) adding sulfuric acid and a leaching aid into the vanadium-containing material, reacting for 4-12 hours, and filtering to obtain vanadium-containing mother liquor; (2) adding the vanadium-containing mother liquor into a full-ionic liquid extraction system to obtain vanadium extraction ionic liquid; (3) sulfuric acid is added into the vanadium extraction ionic liquid for back extraction, and vanadium-containing acid liquid is obtained; and (4) adding sulfuric acid into the vanadium-containing acid solution again or directly evaporating and concentrating to obtain the vanadium electrolyte. According to the method, the defects that a conventional extracting agent and a conventional solvent are prone to volatilization and pollute the environment are overcome, the recovery rate of vanadium is increased, the impurity content of the prepared vanadium electrolyte is low, and the method is green and sustainable.