16 results about "South china" patented technology

The application relates to a storage room system and method suitable for island material storage and seawater desalination, and belongs to the island life health field. In view of the problems of food perishability and freshwater shortage on islands, the application provides a storage room system suitable for island material storage and seawater desalination, which mainly comprises a refrigeration system, a plasma system and a seawater desalination system. The application realizes refrigeration and cooling of the storage space and provides a relatively suitable working temperature for the coupled plasma generating device by extracting low-temperature seawater to cool the refrigerant and arranging the evaporation pipeline around the storage room. Fresh water is prepared by utilizing the high humidity of island air, the air is heated through the convection effect of the compressor, the filtered air is humidified to the saturated state through the spraying device, and the fresh water is prepared through condensation. The application fully adapts to local conditions, utilizes the climate advantages and unique renewable energy of the South China Sea islands, and practically solves the actual needs of life.

This invention provides a comprehensive management method for coastal saline-alkali land, relating to the field of soil improvement technology. The method includes: soaking the topsoil of the coastal saline-alkali land in water to remove salt; tilling the topsoil after soaking; planting crops; and during the crop growth period, applying nitrogen fertilizer and compound conditioner based on real-time monitoring indicators of the topsoil, as well as irrigation; and applying green manure and incorporating it into the field after crop harvest. This invention solves the technical pain points of salt accumulation, organic matter deficiency, and extensive regulation in the improvement process of coastal saline-alkali land, achieving precise fertilization and irrigation, efficiently reducing salinity, and directionally improving soil fertility. It is suitable for large-scale improvement and agricultural utilization of similar saline-alkali land in coastal South China.

The application discloses a construction method of a microbial-metabolite-host regulation network of summer South China calf based on Lactobacillus reuteri, and belongs to the technical field of microorganisms. The construction method comprises the following steps: collecting rumen, fecal sample and whole blood sample of the summer South China calf; obtaining microbial layer data through 16S rRNA sequencing, obtaining metabolite layer data through non-target metabolomics, and obtaining host gene / pathway layer data through whole blood transcriptomics; performing correlation analysis on multi-omics data to obtain a microbial-metabolite-host regulation correlation network. The regulation network significantly improves the growth performance of the summer South China calf, relieves diarrhea and enhances the digestive absorption function by improving the abundance of gastrointestinal beneficial bacteria, promoting the secretion of short-chain fatty acids and activating the host immune antioxidant pathway. The application realizes the precise mechanized application of probiotics by clarifying the regulation correlation among the three, and provides a mechanism-application integrated scheme for healthy breeding of calves.

This invention discloses a method and its application for rapidly assessing rice quality. The method includes the following steps: S1. Using multiple South China indica rice varieties as evaluation materials, 40 days after flowering, the leaf sheath of the flag leaf is collected, and the total chlorophyll content of the leaf sheath is detected; S2. After harvesting mature rice, the protein content of the rice is determined; S3. SPSS statistical software is used to perform statistical analysis on the physicochemical parameters and index data of the leaf sheath of the same variety; S4. It is found that the total chlorophyll content of the leaf sheath and the protein content of the rice are highly significantly positively correlated. Using the method of this invention, the protein content of rice can be rapidly assessed by detecting the chlorophyll content of the flag leaf sheath of South China indica rice in the later stages of growth, greatly saving breeding and screening time and providing a new screening and evaluation method for rapidly cultivating high-quality rice varieties.

The present application relates to the technical field of microbial prevention and treatment, and particularly relates to a bacillus velezensis SCSX23, a fruit and vegetable postharvest biocontrol composite microbial agent and application thereof. The present application screens a bacillus velezensis SCSX23 from South China Sea mud, and is preserved in the China General Microbiological Culture Collection Center on September 15, 2025, with a preservation number of CGMCC No. 35917. The microbial agent prepared by using the strain can effectively inhibit various pathogenic bacteria, not only expands the inhibition spectrum, but also prolongs the shelf life of fruits and vegetables through the synergistic stability of spores, and has important practical significance and application value for the prevention and treatment of postharvest fungal diseases of fruits and vegetables such as strawberries and mangoes and the preservation of postharvest fruits and vegetables.

The application discloses a cultivation and harvesting method of a string algae and application of the string algae in brackish water desalination, and belongs to the technical field of water treatment. Nodosilinea The string algae (Sp.) MH-2 is derived from the intertidal zone of the South China Sea, and has a preservation number of CCTCC NO: M 2026092. The string algae MH-2 is put into brackish water for cultivation, so that the salinity of the brackish water can be effectively reduced. The string algae grows rapidly and has strong salinity and temperature adaptability, and the biological membrane form of the string algae can well solve the industrial bottleneck of difficult microalgae harvesting, and has unique advantages in the field of water treatment. The method has the advantages of simple operation, low cost and environmental friendliness, can efficiently and stably reduce the salinity of brackish water with different salinity, and can easily realize algae-water separation after treatment. The harvested string algae also has high-value utilization potential, and provides a brand-new green solution for resource utilization of brackish water.

This invention specifically relates to a time-varying finite element modeling method for extremely low frequency (UHF) sound fields under dynamic internal wave processes, belonging to the field of underwater acoustic physics. The method first simulates the internal wave propagation process using the modified Korteweg-de Vries equation based on background field environmental information, and then obtains the vertical modes of the internal waves using the Taylor-Goldstein equation to construct a dynamic sound velocity field. Secondly, in a fluid-structure interaction model containing multiple layers of seabed media, the wave equation is solved using the finite element method to achieve time-varying calculation of the UHF sound field. This invention can precisely characterize the spatiotemporal evolution of the sound velocity field under complex terrain and dynamic internal wave disturbances, accurately simulate the distribution characteristics of the UHF sound field throughout the entire internal wave propagation process, and is suitable for sound field prediction and analysis in sea areas with high internal wave incidence, such as the South China Sea.

The application discloses a cultivated land planting artificial turf identification method and system based on time sequence SAR images, and the identification prediction model is jointly constructed by using multi-temporal SAR remote sensing images and field sample polygons obtained by field investigation, the model requires less sample amount for target input, and the time-consuming and labor-consuming traditional artificial method and the deep learning method requiring a large number of sample accumulations are avoided; meanwhile, since the method uses multi-temporal SAR remote sensing images which can be all-day, all-weather and full-coverage as data support, not only the dependence on high-resolution optical images which are easy to be lost in traditional optical images in south China and other cloudy and rainy areas can be avoided, but also the application range can be easily extended to other areas.

This invention provides a strain of *Bacillus coagulans* derived from the deep sea of ​​the South China Sea and its applications. The *Bacillus coagulans* strain was deposited on February 28, 2024, at the Guangdong Provincial Microbial Culture Collection Center (GDMCC), located in Guangzhou, with accession number GDMCC No: 64379. The *Bacillus coagulans* strain of this invention exhibits low-temperature delayed growth characteristics, is easy to culture, and can produce spores even at low temperatures in seawater. It also demonstrates strong thermostability. Furthermore, it produces highly active lactase and protease, and the prepared probiotic powder exhibits strong storage stability.

The invention discloses a preparation method of a high-salt-spray-corrosion-resistant coating on the surface of high-strength martensitic stainless steel, and belongs to the technical field of metal surface treatment. The preparation method comprises the following steps: firstly, performing heat treatment on a high-strength martensitic stainless steel matrix; and then a Cr layer, a Ni layer and a Mo layer are sequentially deposited on the surface of the base body through the physical vapor deposition technology, and the Cr-Ni-Mo-based alloy coating with the specific component gradient and the multi-layer structure is formed. The method is controllable in process and small in influence on a matrix, the prepared coating is compact and good in adhesive force, the corrosion resistance of stainless steel in the severe environments of high temperature, high humidity and high salt mist can be remarkably improved, the method is particularly suitable for surface protection of key parts of aviation equipment in the severe marine environments such as the South China Sea, the service life of the key parts is effectively prolonged, and the reliability of the key parts is effectively improved.

The application discloses cultivation of a double-capsule algae, an active component extraction method and application of an extract thereof in cosmetics, and belongs to the field of marine microalgae cosmetics. Geminocystis The double-capsule algae (D. sp.) MH1 is derived from a tidal zone of the South China Sea, and has a preservation number of CCTCC NO: M 2026091. Experiments prove that water extract, alcohol extract and ester extract of the double-capsule algae have significant antioxidant, whitening, anti-inflammatory and sunscreen effects, and are suitable for preparation of cosmetics with antioxidant, whitening, sunscreen and anti-inflammatory four-in-one effects. The algal strain has high cultivation efficiency, the extraction process is simple, active components are rich, a new way is provided for development of natural, four-in-one cosmetic raw materials, and has a wide application prospect.

This invention discloses a high-solids, ultra-weather-resistant acrylic polyurethane topcoat and its preparation method. The topcoat consists of component A and component B, with a mass ratio of component A to component B of 20:(2-5). Component A includes the following components by mass: 30-45 parts acrylic resin; 2-10 parts modified resin; 2-10 parts hyperbranched polyester polyol; 25-40 parts pigments and fillers; 0-1.5 parts thixotropic agent; 0.1-10 parts dispersant; 0.1-0.5 parts defoamer; 0.01-1 part drier; and 1-10 parts mixed solvent. Component B includes the following components by mass: 70-95 parts aliphatic isocyanate polymer; 2-15 parts xylene; and 2-15 parts propylene glycol methyl ether acetate. The coating of this invention exhibits excellent weather resistance, comparable to ultra-weather-resistant fluorocarbon topcoats and polysiloxane topcoats, and possesses high mechanical strength and corrosion resistance, making it particularly suitable for coating steel structures in the South China Sea environment.

The application belongs to the field of molecular breeding and biotechnology, and relates to a whole genome liquid chip for Holstein cows in southern China, wherein the genotyping objects of the probe set of the chip comprise all SNP sites listed in table 2. Compared with directly applying a universal chip developed based on other geographical populations, the application can more accurately reflect the genetic characteristics of Holstein cows in southern China, effectively reduce the evaluation deviation caused by genetic background difference, and thus significantly improve the accuracy and efficiency of selection in the specific population.

The application provides a bacillus australimaris strain M04, a bacterial fertilizer, a fermentation agent and application thereof, and belongs to the technical field of microorganisms.The application provides a bacillus australimaris strain M04 with a preservation number of CGMCC No.30262.It is proved by experiments that the bacillus australimaris strain M04 has the ability of calcium dissolution, can improve the content of effective calcium in soil, improve the soil environment, can also produce auxin to promote plant growth; in addition, the bacillus australimaris strain M04 has good cellulase activity and the characteristics of salt and alkali tolerance, can effectively promote the rotting of organic fertilizer such as straw in a high-salt environment, has a positive effect on accelerating the conversion and utilization of straw returned to the field, and has a wide application prospect in the preparation of salt and alkali tolerant multifunctional biological organic fertilizer.

1. The name of the design product: desk calendar (green move south of the White Cloud Mountain in Guangdong). 2. The use of the design product: the design product is used for desk calendar. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective drawing.

The application discloses a mussel adhesive protein biomimetic copolymer modified asphalt and a preparation method thereof. The modified asphalt comprises matrix asphalt and a biomimetic copolymer formed by copolymerization of catechol structural units and a free radical initiating monomer. The biomimetic copolymer can form a dynamic network in the asphalt system through hydrogen bonding, pi-pi interaction and metal coordination, and form a strong adhesion layer on the aggregate surface, thereby significantly improving the adhesion and water damage resistance of the asphalt. At the same time, the free radical initiating monomer can react with asphalt aging free radicals under ultraviolet irradiation, effectively terminating the aging process and imparting excellent ultraviolet aging resistance to the modified asphalt. The preparation method is simple, suitable for industrial production, and particularly suitable for road engineering in the hot and humid regions of South China.