53results about How to "Good potential for development and application" patented technology

The invention discloses a vegetable source fruit-vegetable fresh-keeping agent, which is prepared from 4-6% of cinnamon essence, 1-2% of chitosan, 1-2% of CaCl2, 10-12% of emulsifier, 12-16% of solvent, and water in balancing amount, and the total amount of the raw material is 100%. The fresh-keeping agent has good fresh-keeping effect and is applied by mixing with water and coating film. The agent has good inhibiting effect on pathogenic bacteria which easily appears during the storage process of the picked fruits and vegetables, and also has a certain inhibiting effect on rottenness of the picked fruits and vegetables. The vegetable source fruit-vegetable fresh-keeping agent has the advantages of simple processing technology and low cost, follows the developing direction of the current fresh-keeping agent, and has good development and application potentials.

The present invention provides a universal convertor based on a mixed type switch. The convertor circuit which is adapted to form a series of new switch power supply convertors almost having no energy saving ability only adopts a spot of all-controlled switches, and common thyristors. Devices derived from the present invention are: a reactive power compensator of electrical power grid, an active electric power filter, a sine inverter, a quasi-square wave inverter, an AC-DC transducer working in four quadrants, a bidirectional AC-DC-AC sine wave transducer, controllable rectifier having a power factor approximating to 1 and the content of harmonic wave approximating to 0, etc. The universal convertor can be applied widely in the fields of power supply of electric automobile, frequency and speed control, electric traction, uninterruption power sources, new energy convertor, electrochemistry power supply, medium frequency power supply, electrical energy quality improvement of electric power system. The device in the present invention has advantages of excellent electric property, reduced material cost, volume and weight, harmonic waves that are almost eliminated comparing to the common technology, and has a high value of application and generalizing.

The invention discloses a trichoderma harzianum strain and application thereof. The trichoderma strain is a trichoderma harzianum strain Hb13-3-2 CGMCC No. 13163. The strain and metabolites thereof have broad-spectrum activities of inhibiting pathogenic fungi. The contrast growth experiment proves that the trichoderma harzianum strain has the capacity of resisting red root pathogenic bacteria of rubber trees, colletotrichum gloeosporioides and other pathogenic bacteria, and further has the effects of controlling multiple other pollution microbes and promoting growth of rubber seedlings. Therefore, the trichoderma harzianum strain can be immediately applied to the cultivation process of the rubber trees at the seedling stage, healthy growth of the rubber seedlings is promoted, and occurrence of rubber tree root diseases can be shielded or inhibited.

The invention relates to a strawberry anti-staling agent. The strawberry anti-staling agent is characterized by comprising the main components: 0.1-0.5 g/L malic acid, 0.01-0.05 g/L rosemary acid, 0.1-0.5 g/L lentinan, 5-10 g/L chitosan, and the balance of water. The preparation method includes the steps that firstly, the malic acid and the rosemary acid are dissolved into water, then, the lentinan and the chitosan are added sequentially, the balance of water is supplemented, and strawberries are soaked or coated with the anti-staling agent for 1-3min. After the anti-staling agent is dried, the good anti-staling effect of the strawberries is achieved, the storage period and the shelf life are prolonged, and the strawberry anti-staling agent has good application prospects.

The present invention discloses one kind of botanical antiviral agent with effective components prepared with purslane, licorice and isatis root and assistant. The botanical antiviral agent has high bioactivity, and is sprayed to plant leaf or irrigated to plant root after being diluted with water to prevent and treat plant viral disease. Test shows that it has excellent effect of preventing and treating viral disease of tomato, chili, pumpkin, tobacco, etc, capacity of raising the yield and quality of agricultural products, no toxicity to human body and animal, no residue, simple preparation process and low cost.

The invention discloses a melon and fruit antiseptic and fresh-keeping agent. The antiseptic and fresh-keeping agent comprises the following raw materials: 0.04%-0.1% parts of scutellaria baicalensisextract, 0.1%-0.15% parts of clove oil, 0.04%-0.1% parts of cinnamon oil, 0.05%-0.1% parts of saponin extract, 0.15%-0.2% parts of patchouli oil, 0.15%-0.2% parts of calamus oil, 0.3%-0.5% parts of camellia meal extract, 1.3%-5.5% parts of emulsification thickener, 2.3%-7% parts of other additives, the balance water, and the total amount of raw materials is 100%. The invention also discloses a kiwi fruit antiseptic and fresh-keeping agent, a preparation method thereof and a melon and a melon and fruit storage method. The raw materials of the plant-derived antiseptic and fresh-keeping agent ofthe present invention are all plant-derived extracts, without any chemical organic reagents, and have good antiseptic and fresh-keeping effect. After being mixed with water, the agent can be used to form a film on the surface of fruits and vegetables to inhibit the growth of pathogenic bacteria. At the same time, the film can reduce and inhibit the physiological metabolism of the fruit after harvest, thereby improving the quality of the fruit, and extending shelf life.

The invention relates to the technical field of cassava freshness keeping, and discloses a storing and freshness keeping method for cassava. The method comprises the following steps of 1 harvesting; 2 cleaning; 3 soaking, wherein soaking treatment is conducted through a prochloraz solution with the dilution multiple of 300 to 700; 4 wax sealing; 5 storing. According to the storing and freshness keeping method for the cassava, the technology of combining sterilizing with wax sealing is adopted, easiness, convenience and practicability are achieved, and physiological deterioration generated after cassava harvesting is significantly controlled; cassava treated through the storing and freshness keeping method and untreated cassava are taken to be observed under the conditions that the average temperature is 18.0 DEG C and the average humidity is 70.0%, it shows that the storage time of a cassava sample stored through the method reaches 51 days, the cross section of a cassava tuber still keeps the original color and luster in the observation period, no postharvest physiological deterioration is generated, and commodities treated through freshness keeping are attractive in appearance; the method has the good development and application potential in the links of cassava storing, transporting, selling and the like.

The invention discloses the application of athomin to fruit and vegetable freshness preservation. According to the application, athomin serves as the main ingredient, addition agents are added, and emulsion in water or a soluble liquid preparation or a microcapsule preparation is prepared; a preparation is prepared from 1%-20% of athomin extract, 0.1%-2% of chitosan oligosaccharide, the various addition agents and the balance water, wherein all raw materials sum up to 100%. Fruit and vegetable plant source preservative prepared through the method is good in freshness preservation effect, the preservative is applied through water blending and coating, pathogenic bacteria easy to appear in the storage process after fruits and vegetables are harvested can be well inhibited, the harvested fruits and vegetables can be inhibited from decaying to a certain degree, the freshness of the harvested fruits and vegetables can be well preserved, the processing technology is simple, the cost is low, the preservative conforms to the current preservative development direction, and good development and application potentiality is achieved.

The invention discloses a cold-resistant anti-corrosion preservation technology for cold-sensitive fruits and vegetables after being harvested, and particularly relates to a cold-resistant preservative for cold-sensitive fruits and vegetables after being harvested and a preservation method thereof. The preservative disclosed by the invention comprises methyl jasmonate (2.0-10.0mg/L) and a mixed solution, wherein the mixed solution is an ice water solution containing salicylic acid, ascorbic acid, CaCl2 and an active agent Tween 80. The preservation method comprises the steps of firstly, carrying out sealed fumigation on the cold-sensitive fruits and vegetables for 12 hours by jasmonic acid methyl ester at room temperature, soaking and carrying out cold shock on the fruits and vegetables for 1 hour in the ice water mixed solution, taking out the fruits and vegetables and airing the surface water. The cold-resistant preservative does not generate obvious symptoms of chilling injury after being placed for two weeks in an environment at 0-4 DEG C; corruption mildew and quality drop of the fruits and vegetables stored in the environment at room temperature and proper low temperature can be effectively restrained; and the refreshing time is obviously prolonged.

The invention belongs to the technical field of microorganisms, and particularly relates to pseudomonas capable of oxidizing antimony and arsenic and application of the pseudomonas. A pseudomonas strain is separated and screened from antimony-polluted soil in a stannary in Lengshuijiang City, Hunan Province and has efficient antimony and/or efficient arsenic oxidation performance; bacteria can still survive in a solution and soil with high antimony content and/or arsenic content, has relatively good antimony tolerance and arsenic tolerance and has excellent antimony arsenic oxidability and/orarsenic oxidability after being tested, so that an important foundation is laid for development of a technique for removing antimony and/or arsenic through adsorption of the microorganisms. Meanwhile,the strain combined with Fe<3+> has a good improvement effect, the oxidizing efficiency of the strain can be improved, and the strain has good development and application potentialities.

The invention discloses a light/temperature double sensitive hydrogel and a preparation method thereof, wherein the temperature sensitive part of the hydrogel is obtained by introducing hydroxybutyl into a chitosan molecular chain (Patent No. 201110214776.X), and the free amino group of hydroxybutyl chitosan and the epoxy group of glycidyl methacrylate are subjected to a ring-opening reaction to introduce a photosensitive group so as to obtain the photosensitive part. According to the present invention, the methacrylylated hydroxybutyl chitosan hydrogel is in a solution state at a low temperature, can be subjected to flowing injection, and can form a hydrogel within 1 min when a temperature is raised to around 37 DEG C; a photoinitiator is added into a prepolymer solution, the obtained solution is exposed to ultraviolet light, and the photoinitiator generates free radicals to initiate methacryloyl-substituted chain polymerization, such that the strength of the gel is significantly enhanced; and the light/temperature double sensitive hydrogel has good application prospects in the fields of tissue engineering scaffolds or drug sustained-release delivery and the like.

The invention relates to a biological source strawberry preservative. The biological source strawberry preservative is characterized by comprising the following main components: 0.1-0.5g/L of wood vinegar, 0.2-0.5g/L of glutamic acid, 0.2-0.5g/L of arginine, 0.1-0.5g/L of ascorbic acid, 5-10g/L of chitosan and the balance of water. A preparation method comprises the following steps: firstly dissolving the ascorbic acid in water, further sequentially adding the chitosan, the wood vinegar, the glutamic acid and the arginine and the balance of water. By using the preservative to soak or coat strawberry fruits for 1-3 minutes, the preservative has a better preservative effect on strawberries after airing, can prolong the storage period and the shelf life and has good application prospects.

The invention discloses a plant source mosquito incense synergistic agent; the prepared plant source mosquito incense synergistic agent is composed of the following active ingredient raw materials according to the weight percentage: 30-50% of winter-green oil, 10-35% of cinnamomum camphora oil, 6.5% of emulsifying agent and 10-53.5% of solvent; the sum of percentage of the above materials is 100%.The plant source mosquito incense synergistic agent can compose a synergistic pesticide composition together with the pesticide variety to formulate mosquito incense liquid to be coated onto the mosquito incense briquette and made into mosquito incense. Proved by experiments, the synergistic pesticide composition composed of the plant source mosquito incense synergistic agent and the pesticide variety has an excellent synergism for the pesticide variety, and has wide source, high efficiency and low toxicity, is environment-friendly and has good exploration application potential.

The invention discloses a botanic fruit and vegetable fresh-keeping agent, which is characterized in that: the effective constituents of raw materials in percentage by weight of the fresh-keeping agent are: 2 to 4 percent of clove leaf oil, 1 to 2 percent of chitosan, 1 to 2 percent of CaCl2, 10 to 12 percent of emulsifying agent, 12 to 16 percent of solvent and the balance being water. The botanic fruit and vegetable fresh-keeping agent has excellent preserving effect, and can well inhibit pathogenic germs easily appearing during storing picked fruit and vegetable when used after watered coating treatment; moreover, the fresh-keeping agent can also inhibit the rot of picked fruit and vegetable to a certain degree; meanwhile, the fresh-keeping agent has simple manufacturing process and low cost, and accords with the current developing direction of fresh-keeping agent, thereby having enormous development and application potential.

The invention discloses a ChromobacteriumpseudoviolaceumkwkjT4 biocontrol strain capable of efficiently controlling rice blast and application thereof. The ChromobacteriumpseudoviolaceumkwkjT4 is collected at China Center for Type Culture Collection (CCTCC for short), the collection number is CCTCC M2011332, and the collection date is September 28th, 2011. The ChromobacteriumpseudoviolaceumkwkjT4 is obtained by plate confrontation; the in-vitro antibacterial activity determination and greenhouse pot experiment indicate that the ChromobacteriumpseudoviolaceumkwkjT4 has strong inhibiting action on growth of rice blast bacteria, can effectively control the rice blast, has wide antibacterial spectrum, and has antagonistic action on multiple pathogenetic fungi, such as rhizoctonia solani, wheat Pellicularia sasakii, wheat take-all bacterium and the like. The strain disclosed by the invention has the advantage of simple culture conditions, is easy to store, is environment-friendly, and has favorable development and application potential.

The invention provides a magnetic fluid power generator system for wind power generation, which comprises a wind impeller and a magnetic fluid power generator, wherein the magnetic fluid power generator comprises a magnet capable of generating a magnetic field, magnetic conductive fluid, a fluid passage and a control system; and the magnetic conductive fluid of the magnetic fluid power generator can be liquid metal such as liquid gallium or alloy of gallium. The power generator system adopts a novel magnetic fluid power generator as a core component for converting the wind energy into the electric energy and simultaneously eliminates a heavy gear box structure, so that the weight of the power generator system is lightened, the power generation efficiency and the operating reliability of the entire magnetic fluid power generator system are greatly improved, and the power of the wind power generator is favor of being improved to dozens to hundreds of Class MW (Million watts). Therefore, the magnetic fluid power generator system has huge potential of application development.

The invention discloses application of a fresh-keeping agent containing trans-2-hexenoic acid to fresh-keeping of fruits and vegetables, which is specific to preservation and fresh-keeping in the postharvest storage and transport process of the fruits and vegetables, and relates to the technical field of fresh-keeping of fruits and vegetables. Specifically, by using trans-2-hexenoic acid as the fruit and vegetable fresh-keeping agent, the fresh-keeping time of the fruits and vegetables such as strawberries, grapes, tomatoes in the storage process is prolonged, the rotting rate and nutrient loss are reduced, and the quality and appearance of the fruits and vegetables are kept. The used trans-2-hexenoic acid is a substance existing naturally in plants and meanwhile is also a flavoring substance permitted in the national standard, by using the trans-2-hexenoic acid as the fresh-keeping agent, the natural, safe, environment-friendly and convenient requirements are met, and the fresh-keeping agent has good development and application potentiality.

A simulated rocket multi-output experiment device comprises a support, propellers and a simulated carrying cabin. The propellers and the simulated carrying cabin are arranged on the support; the propellers comprise distributed propellers; the plurality of distributed propellers are uniformly arranged on the outer side of the simulated carrying cabin, and each distributed propeller comprises a motor and a propeller arranged on the motor, or each distributed propeller is a turbojet engine; and guide plates capable of swinging are arranged at the bottoms of the distributed propellers. According to the simulated rocket multi-output experiment device, through the arrangement of the distributed propellers, the thrust and direction of the propellers can be accurately controlled by controlling therotating speed of the motors, adjusting the angles of the flow guide plates, swinging the directions of the propellers and other means, and the implementation effect is good; the simulated propellerby adopting the motors and the propellers is very close to the real stress state of a rocket, and is completely feasible for researching, demonstrating and verifying a multiple-input-multiple-output system.

The invention relates to the technical field of fruit and vegetable storage and preservation, and discloses a litchi preservation agent. In parts by weight, the preservative components are: 20-50 parts of iprodione, 10-30 parts of nano-silver sol, 5-10 parts of ethylene glycol, 1-5 parts of surfactant, carboxymethyl chitosan Sugar/TiO ₂ 1-5 parts of composite material, 1-5 parts of glycosyl trehalose, 0.1-0.5 parts of thickener and 100-800 parts of water. Also provided are a preparation method of the above-mentioned antistaling agent, and a method for using the above-mentioned antistaling agent to preserve the litchi. The antistaling agent can significantly control the skin shrinkage and fruit rot of lychees through the combination of sterilization and moisturizing technology, effectively prolong the storage period and shelf life of lychees, and improve commodity value and economic benefits; Treatment, chemical preservation and physical sterilization are combined, safe and non-toxic; the preparation method is simple, efficient and safe, and has broad application prospects.

The invention provides a composition with an immunity enhancement effect and belongs to the technical field of immunoregulation drugs. The composition comprises garlic lectin, alliin and garlic polysaccharide in a mass ratio being (0.4-0.6):(0.8-1.2):(17-25). The composition can increase a spleen index and a thymus index of immunosuppression mice, increase total white blood cells, a clearance index K and a phagocytic index alpha and ensure content levels of IL-2, TNF-alpha and IFN-gamma in serum to approach to normal levels and has the significant immunity enhancement effect.

The present invention discloses a liquid preservative for litchi storage. The liquid preservative comprises the following components in parts by weight: 20-50 parts of iprodione, 10-30 parts of pyraclostrobine, 10-30 parts of nanometer silver colloid, 5-10 parts of ethylene glycol, 1-5 parts of a surfactant, 1-5 parts of carboxymethyl chitosan, 0.5-1 part of sorbic acid, 0.1-1 part of sodium hyaluronate, 0.1-0.5 part of carbomer and 100-800 parts of water. The present invention also provides a preparation method of the preservative and a method of preserving and treating litchi. By combining the technologies of sterilization and moisture preservation, the liquid preservative can significantly control the occurrences of litchi skin shrinkage and fruit decay, effectively extends the storage period and shelf life of the litchi, and improves the commodity value and economic benefits. The preservative and negative pressure compound soaking treatment are used at the same time, the chemical preservation and physical sterilization are compounded, and the liquid preservative is safe and non-toxic. The preparation method is simple, high-efficient and safe, and suitable for broad prospects.

The invention discloses a fresh keeping agent for vitis vinifera. The fresh keeping agent comprises the following components in parts by weight: 15-20 parts of sodium erythorbate, 5-20 parts of sodium acetate, 10-35 parts of malic acid, 10-30 parts of lecithin, 5-25 parts of ferric pyrophosphate, 15-40 parts of sorbitol and 5-20 parts of kojic acid. The fresh keeping agent for vitis vinifera disclosed by the invention is good in long-term fresh keeping effects. Experiment prove that the fresh keeping agent has favorable effects of restraining various kinds of pathogenic bacteria in the storage process of the vitis vinifera, the bad fruit rate and the spike-stalk browning index in the storage process of the vitis vinifera can be obviously reduced, the advantages of commodity and the like of the vitis vinifera are maintained, and besides, the fresh keeping agent completely meets the requirements of food safety in China, is useful and harmless to human bodies and has favorable development and application potential.