599 results about "South china" patented technology

The invention discloses a medium-range forecast system and method for cold, rainy and snowy weather based on atmospheric variable physical decomposition. By utilizing the atmospheric space three-dimensional multivariable and time continuous grid data outputted in the past observed, the current observed and the medium-range numerical weather prediction modes, and the physical decomposition of the climate and the weather disturbance quantity, a causality between the regional sustained low temperature, rain and snow and freezing extreme weather events and the weather disturbance prior to and during the events is established in the method. According to the invention, a physical decomposition of the climate seasonal variation field and the day-to-day weather disturbance field is carried out according to the data of day-to-day three-dimensional space grid point temperature, altitude and wind and the like of the atmosphere from the troposphere to the stratosphere in the northern hemisphere for nearly 30 years, and a database for the atmospheric climate field and the weather disturbance field can be established; and a historical database of the low temperature, rain and snow and freezing weather in south China is established according to the data of day-to-day temperature and precipitation from the national meteorological station for nearly 50 years. The invention provides not only an inquiring system for historical low temperature, rain and snow and freezing weather events, but also a forecasting system for medium-range low temperature, rain and snow and freezing weather events.

A method for planting lawn on the slope of highway in south region features that the seeds of warm temp-type lawn and cold temp-type lawn are mixed and then hydraulically sprayed on the said slope for sowing. It includes sowing, spraying water-preserving agent, covering with paper pulp, rice straw, or stalk, and covering non-woven fabric. Its advantages include high lawn-forming speed, high uniformity and constant green in different seasons.

The invention relates to a building energy-saving material based on the phase-change thermal-storage mechanism and a preparation method thereof. The preparation method comprises the steps of taking cement and other inorganic gel materials as a substrate, and doping a microencapsulated organic phase-change material-paraffin, thereby forming a novel external wall external thermal insulation materialwith the phase-change thermal-storage function. The preparation method adopts the microencapsulation technology for solving the loss and the out-leakage of the phase-change material and adopts the surface modification technology of a coupling agent and the polymer fiber toughness reinforcing technology, thereby solving the compatibility of paraffin microcapsules with the inorganic gel materials and the mortar cracking problem under high content of the paraffin microcapsules. The invention is mainly suitable for the field of energy-saving buildings with external wall external thermal insulation in the regions which are hot in summer and cold in winter and hot in summer and warm in winter in South China.

The invention discloses a semi-submersible type production platform of reservoir oil positioned below a water surface. The semi-submersible type production platform comprises an annular buoyancy tank, a box-shaped deck and at least three upright posts, wherein the annular buoyancy tank is internally provided with a water ballast tank, an oil storage compartment and a pump compartment; the box-shaped deck is provided with an oil-gas processing system, well drilling equipment, a positioning mooring system and a moon pool and internally provided with a production function compartment and a well drilling equipment compartment; and the annular buoyancy tank is connected with the box-shaped deck through the upright posts. The semi-submersible type production platform has an oil-gas production function, a storage and transportation function and a well drilling function, can be removed and reused, is flexible and suitable for the early pilot production and a deepwater oil field and bore well development, can be used effectively lowering the economic risk of the development of a deepwater oil and gas field, has more excellent motion performance compared with a ship form and a circular platform by adopting a semi-submersible type platform structure form and can meet the requirement for simultaneous performance of platform well drilling and production operation under the conditions of harsh marine environments, i.e. the South China Sea and the like.

The invention provides a preparation method of sticky rice dumplings. The sticky rice dumplings take sticky rice, beans and meat as main materials. The preparation method comprises the following steps of: cutting the meat into pieces; adding cooking wine, salt, white sugar, soy sauce and monosodium glutamate into the meat for salting for 10-30 hours; preparing ingredients and spices; soaking and seasoning the sticky rice and the beans; putting the meat at center, covering the meat with the beans, and then putting the sticky rice at an outermost layer; wrapping the materials with broad-leaf indocalamus palm leaves; sufficiently cooking and vacuum-packaging the materials to obtain the sticky rice dumplings. The preparation method provided by the invention can be used for normalizing the production process of the stick rice dumplings which are traditional food in south China, and more nutrient-rich, fragrant, smooth and tender foods are provided for residents in areas without the sticky rice dumplings.

The invention belongs to the environment-friendly technical field of gigas-killing plant resource utilization and specifically relates to a method for killing harmful ampullaria gigas invading the area by using the alien invasive plant wedelia trilobata of south China. According to the method, the ampullaria gigas is directly killed by feeding the dried powder of the invasive plant wedelia trilobata in water of a rice field; and the method is characterized in that the used plant is wedelia trilobata from the composite family, and the dose of the wedelia trilobata dried powder is 10g/L. The method has the advantages that the plant material wedelia trilobata is the general alien invasive plant in south China, so the materials are easily available, and the ampullaria gigas can be effectively killed under a certain feeding amount.

The invention discloses a treatment method for blow-filling a foundation on islands and reefs in South China Sea with carbonate sand. The method comprises the steps that 1, construction and measurement are conducted; 2, a conveying pipe is laid; 3, a dredge boat sucks seabed carbonate sand; 4, a microorganism bacteria solution and a nutrient solution are prepared; and 5, materials are sufficiently aerated and stirred in a mixing tank. The treatment method has the beneficial effects that a microorganism curing agent is added into the mixing tank, so that microorganisms and the carbonate sand are sufficiently stirred and mixed in the mixing tank, then the mixed carbonate sand blow-fills a reef, and then the processed foundation is formed. In this way, after a period of time, the strength, deformation and stability of the processed foundation formed by the mixed carbonate sand all meet the engineering construction requirement, and other redundant foundation treatment measures are not needed. The treatment method has the remarkable characteristics that construction is convenient, the project cost is low, the construction period is remarkably shortened, and pollution to the environment is avoided.

The invention discloses a high-quality fiber feed using bagasse as a main raw material. The feed is characterized by being prepared from the following raw materials in parts by weight: 70-100 parts of bagasse, 5-10 parts of molasses, 5-10 parts of flavors, 5-20 parts of vegetable oil, 1-2 parts of probiotics and 2-3 parts of bio-enzyme; and the feed is prepared through the steps of biological treatment, dehydration, puffing, sizing and the like. The maximum value of the feed lies in that the high-quality fiber feed with high utilization rate, good palatability and high cost performance is produced for herbivore and industrialized by using the bagasse (which is main raw material), molasses, food industry leftovers and the like with low value as raw materials, so that the problem of serious shortage of high-quality coarse feeds in South China is solved, and the purpose of environment friendliness in sugar enterprises and food production enterprises is also achieved.

The present invention relates to a PCR-RFLP identification method for 7 kinds of Chinese south inshore oysters. Said identification method includes the following several main steps: making genome DNA extraction, PCR amplification of object fragment, selecting proper incision enzyme combination, utilizing selected incision enzyme to enzyme-cut the PCR product and utilizing agarose gel electrophoresis to make detection.

The invention discloses a high-insulation hydrolysis-preventing polyurethane filling and sealing material and a preparation method thereof. The polyurethane filling and sealing material is a dual-component material and consists of the following components in percentage by weight: a component A: 40%-50% of castor oil, 3%-5.5% of polyether polyol, 0.5%-2% of chain extender, 5%-12% of dryer, 37%-44% of filler, 0.02%-0.1% of catalyst, 0.1% of yellow color paste and 0.1% of defoaming agent; and a component B: 100% of polyisocyanates. The filling and sealing material provided by the invention is moderate in viscosity, capable of being cured at a normal temperature, less in air bubbles, bright and beautiful in appearance, changeable in curing time with changes of dosage of the catalyst, and convenient to regulate; after being cured, the material has good electrical insulation, hydrolysis resistance, and high tensile strength; and moreover, the filling and sealing material is applicable to filling and sealing protection in high-temperature high-humidity environments such as south China, Southeast Asia, and the like, which need underground high-voltage cable joints and outdoor high-voltage cable joints.

The invention discloses a method for large-scale indoor artificial breeding of Hong Kong oysters in the coastal region of South China. According to the method, a large number of healthy oyster larvae are bred indoors by means of parent maturation, parturition hastening, incubation, larva breeding, adhering transformation, juvenile mollusk breeding and other processes. In combination with the ecological habits of the Hong Kong oysters and the coastal regional characteristics of South China, the step-by-step salinity-reduction breeding pattern that parent maturation of the Hong Kong oysters in a high-salinity environment, the larvae are bred in a medium-salinity environment, and juvenile mollusks are bred in a medium / low-salinity environment is realized, and a solid foundation is laid for production of the larvae of the Hong Kong oysters, development of aboriginal varieties and industrial popularization of the Hong Kong oysters.

The invention discloses a ganoderma undergrowth bionics wild cultivation method. The method comprises the steps of A, choosing a wild ganoderma variety in the South China area and separating a mother culture; B, choosing a cut-log; C, cutting the cut-log into wood sections with the length of 20-30 cm; D, putting the cut-log into fungus bags; E, putting the bagged fungus material into a sterilization room; F, putting strains on an inoculation shelf and conducting space sterilization; G, when inoculation is conducted, pinching the strains into small blocks of 2-4 cm<3> with hands; H, choosing a room with good thermal insulation performance as a cultivation room, wherein the room temperature is at 25-28 DEG C; I, choosing a Chinese fir forest, a weed tree forest or a bamboo forest with the canopy density of 0.6-0.8, good ventilation and drainage performance and loose and fertile soil texture as a ganoderma cultivation plot; J, choosing Spring Festival to the end of the second month in lunar calendar as cultivation time; K, removing the bags and burying fungus sticks, wherein the burying density is 1500-3000 sticks/mu (a Chinese area unit and is equal to 666.67 m<3>). The ganoderma undergrowth bionics wild cultivation method mainly aims at undergrowth planting of ganoderma fungus sticks in the South China area, according to the method, no facilities and manual watering are needed, continuous harvest for many years can be achieved, and the ganoderma is high in yield and good in quality.

The invention discloses an agricultural planting technique of high and new technology, and in particular relates to a method for cultivating potatoes with straws in winter and spring. The method has the following main technical characteristics: using a large area of rice fields which are barren in winter and spring in south China, using the growth characteristics of the potatoes, and using a method for cultivating the potatoes by covering with thick straws so as to achieve the high quality, high yield and bumper harvest of the potato production. The method achieves the bumper harvest of the potatoes in winter and spring through the main techniques of the use of the growth characteristics of the potatoes, seed selection of the potatoes, breeding, land preparation, planting, reasonable thick planting, the use of the method for cultivating the potatoes by covering with thick straws, rich water field management, insect pests control, harvesting and the like.

The invention discloses a quay berth-based intelligent supervision method and system. The method comprises the following steps of: establishing a cyber space covering the south China Sea and inland river channel by combining the public security information network and the frontier inspection intranet based on the existing GPS (Global Positioning System), AIS (Automatic Identification System) and GSM (Global System for Mobile Communications) wireless transmission positioning technology; and performing dynamic strict supervision on the state of the track, speed, leaning, anchorage and the like of the ship in the cyber space by use of an independently developed dynamic supervision application platform. Through the invention, each state of the ship in the whole navigation life cycle is accurately mastered by use of the ship whole-course dynamic monitoring technology, and the whole course of real-time tracking management is performed on the ship navigation condition according to laws.

The invention discloses a planting method of jute in heavy-metal contaminated soil. The method comprises the following steps of: A, preparing soil and building a field, and applying passivator to reduce activity of heavy metal in the soil; B, selecting a specific jute variety with strong heavy metal contamination resistance, sowing in an enough amount at proper time to guarantee full seedlings; C, determining appropriate close planting, thinning/finally singlings in good time, and reserving enough basic seedlings; and D, intertilling/weeding in time, rationally topdressing/irrigating to culture effective strong plants; E, reinforcing prevention and control of diseases and insect pests to realize high yield of jute. By the jute planting method, the average yields of raw stems in light, medium and heavy contaminated jute fields are respectively 181.0+/-16.4, 174.9+/-15.7 and 158.5+/-15.3kg/mu, which reaches the high-yield level of the jute growing area in South China; and the content of heavy metal in raw jute can be controlled in a range of related standard limit, so that agricultural safety and effective utilization of heavy metal contaminated soil can be realized. The method is simple in technology and practical, and has wide application prospect in broad heavy metal contaminated areas.

The invention discloses a method for establishing a model of a response of flood characteristics of medium and small river basins to the changing environment. According to the method, Meihua-River upstream basins of typhoon-rainstorm prone areas of south China serve as research areas, basin flood characteristics under conditions of climatic changes and land use and land cover changes and the response of the basin flood characteristics to the changing environment are analyzed; a physical geography data set of the research areas is established, then a field observation test is carried out in cooperation with historical screening flood data, the relationships between key runoff-generation-and-confluence parameters and environment factors are determined in cooperation with historical observation data, and the rainstorm-flood runoff generation mechanism in the changing environment of the relationships is discussed; the influence of the climatic changes and the land use and land cover changes on the flood characteristics of the typhoon-rainstorm areas is analyzed; a scientific basis and an infrastructural support are provided for prevention and management of flood damage of the medium and small river basins in typhoon rainstorm areas of south China and a land utilization optimization scheme in the future period.

The invention discloses a composite type foliage fertilizer for cured tobacco and relates to the field of fertilizer. The foliage fertilizer is prepared from potassium nitrate, magnesium sulfate, borax, ammonium molybdate, NAA, amino acid, humic acid and a spreader which are dissolved in water. The composite type foliage fertilizer has the characteristics of having comprehensive nutrition, remarkably promoting the leaf-opening of the upper leaves, improving the quality of tobacco leaves and the like, can be widely used in tobacco-rice rotation regions in south China where soil commonly lacks magnesium, boron, molybdenum and other microelements, and is the foliage fertilizer special for the cured tobacco, which has good application effect.

The invention relates to a design method for simplifying fatigue for a semi-submersible type platform structure, comprising the following steps: (1) a semi-submersible type platform wave loading long-term forecast is carried out; (2) semi-submersible type platform structure stress long-term Weibull distribution shape parameter is determined; (3) the return-period maximum permissible stress range curve of the semi-submersible type platform structure life period is determined; (4) the return-period hotspot stress range of the semi-submersible type platform structure life period is calculated; (5) the fatigue life of the semi-submersible type platform structure is estimated. Compared with the existing fatigue design method of the platform structure, the design method for simplifying fatigue for semi-submersible type platform structure provided by the invention has the advantages of small workload and accurate calculation result, and can be used in the structure fatigue design of the semi-submersible type platform in the South China Sea.

The invention discloses a method for replacement control of Eupatorium adenophorum Sprengel by using Pueraria spp., belonging to the field of replacement plants. According to the method for replacement control of Eupatorium adenophorum Sprengel by using the Pueraria spp., steps of breeding seedlings of Pueraria spp., transplanting, weeding in proper time, fertilizing in a targeted manner, etc., are implemented on land, where Eupatorium adenophorum Sprengel grows, in the south of China, to replace the Eupatorium adenophorum Sprengel by the Pueraria spp., and therefore, a benign successional ecological community is established. The Pueraria spp., which has the features of rapid growth speed, high coverage degree, perennial property and good effect of replacement control over the Eupatorium adenophorum Sprengel, can be used as an economic crop, a feed crop and a medical material.

The invention discloses a method for deepening and fertilizing a middle-low yield argil rice field plough layer in the hilly areas of south China. The technology for direct wheat straw field return for soil improvement, the technology for applying organic fertilizer, curing the plough layer and improving soil fertility, the technology for deeply ploughing soil to transform the bad soil structure of middle-low yield argil, the technology for applying a soil conditioner to neutralizing hazardous substances, the technology for rice optimization fertilizer application and nitrogenous fertilizer operation management for soil nutrient balance, the technology for improving the soil nutrient deficiency condition and recovering soil fertility through scientific crop rotation and the like are integrated.

The present invention discloses a method for detecting and counting major vegetable pests in South China based on machine vision, comprising the steps of: the pest image preprocessing step; the pest target segmenting and extracting step; and the pest recognizing and counting step. In detail, the method comprises; through the training of SVM classifiers for different pests, optimizing the pest images after standardization; performing HOG characteristic extraction and description; using the K-Means clustering algorithm for clustering the extracted characteristics; constructing a visual dictionary and then using the SPM generated image's histogram representation; and finally, conducting preliminary classification through the morphological data of the target image; selecting different SVM classifiers, outputting the identification results, and identifying and counting the pests. The method of the invention is based on the image's pest automatic identifying and counting technology, which can realize the rapid identifying and counting of the main pest image data of the South China vegetables so as to assist peasants or the grassroots plant protection personnel to carry out the monitoring work of vegetable pests. To a large extent, their labor intensity is reduced.

The invention discloses an oceanic drift netter. The oceanic drift netter is mainly composed of a drift netter body, a drift net, two hydraulic net-drawing folding-arm cranes, two guide grooves, a net unfolding frame, a high-pressure water spray net washing device, a net folding machine and a net casting and arranging machine. The hydraulic net-drawing folding-arm cranes comprise telescopic suspension arms, rotary plates and stand-column-type bases. One end of each telescopic suspension arm is arranged on the corresponding rotary plate, the rotary plates are arranged on the stand-column-type bases, the other ends of the telescopic suspension arms are provided with integrated double rope reeling machines, the lateral portions of the stand-column-type bases are provided with foldable frames, single rope reeling machines are arranged on the foldable frames, and one end of a main rope of the drift net and one end of a bottom rope of the drift net are wound through the integrated double rope reeling machines and the single rope reeling machines respectively. Drift netters constructed through the production equipment and facilities achieve mechanical assembly line operation in production processes from net casting, net drawing and net arranging, the technological difficulty that in a traditional production technology, large drift nets are hard to cast is solved, and the drift netters are made to have the capacity for effectively developing fishery resources of the upper layers of open waters of the South China Sea.

The invention relates to the technical field of forest plating, and particularly relates to a method for planting a mangrove forest in a high-salinity deepwater sea beach. The method comprises the following steps: (1) preparing land; (2) planting; and (3) maintaining and managing the forest. Because no natural distribution of the mangrove forest exists in the deepwater sea beach, the mangrove forest cannot be successfully planted by adopting a conventional method; the mangrove forest can be planted in the high-salinity deepwater sea beach by adopting the method disclosed by the invention, the distribution area of mangrove forest wetland resource in a coastal region of South China is enlarged, the ecological function of protecting the coast by the mangrove forest is given a full play; water channels coexists in a mangrove forest restoration area, and thus a diversified environment is created so that a diversified living space can be provided for wildlife; meanwhile, in a mangrove planting area of the deepwater sea beach, by using the water channels in the mangrove forest, a natural ecological cultivating system in which the mangrove forest and the fishery industry coexist can be established, and the sustainable healthy development of the aquaculture industry in a coastal community is effectively promoted.

The invention discloses a method for building near-natural vegetation on a tropical coral reef. According to the invention, six indigenous plants (including three types of shrub, grass and vine, and nitrogen-fixing leguminous plants) like Scaevola sericea, Canavalia maritima, Ipomoea pes-caprae, Vitex trifolia Linn var simplicifolia Clam, Phyla nodiflora and Spinifex littoreus applicable to being planted in the tropical coral reef are selected according to harsh environmental conditions of coral reefs and on the basis of preliminary investigation and research on vegetation and soil in South China Sea Islands; meanwhile, referring to plantation of natural coastal plants in Paracel Islands, and through the optimal combination of a series of processes of digging planting holes, placing farmyard base manure and coconut bran, applying a water-retaining agent, soaking bagged seedlings in water, applying a compound fertilizer, applying a little amount of iron sulfide or iron-aluminum oxides (adjusting a pH value), adding dry duckweed (increasing a C source), backfilling sand or foreign soil, performing maintenance, etc., the survival rate of the plants reaches 90% or above after about 2 months; thus, green plants can be basically covered; near-natural vegetation is formed; certain functions of preventing wind and fixing sand are exerted; meanwhile, maintenance is relatively simple.