55results about How to "Inhibition of fertility" patented technology

The invention relates to the technical field of stone plastic, and particularly discloses a PVC (polyvinyl chloride) artificial marble which is composed of a PVC main material, heavy calcium carbonate, light calcium carbonate, a stabilizer, an ACR modifier, a CPE (chlorinated polyethylene) toughener, titanium white, stearic acid 1801 and paraffin. The PVC artificial marble overcomes the defects of discoloration, deformation and the like in the stone plastic material in the traditional technique, and has the advantages of light weight, wear resistance, flame-retardancy, slip resistance, moisture resistance and the like.

The invention relates to the technical field of stone plastic and particularly discloses a manufacturing method of a PVC marble-imitated plate. The method includes following steps of: smashing reclaimed materials of PVC products or templates to obtain a smashed PVC main material; adding ground calcium carbonate, precipitated calcium carbonate, a stabilizing agent, an ACR modifier, a CPE flexibilizer, titanium dioxide, stearic acid 1801 and paraffin into the PVC main material, mixing and stirring to obtain a mixture; adding the mixture into a twin-screw extruder, and extruding to obtain a PVC marble-imitated plate with a certain specification through an extrusion die head; cooling the PVC marble-imitated plate to obtain the formed PVC marble-imitated plate. The method is advantageous in that problems namely color fading and deformation, and the like, of stone plastic materials in traditional techniques are overcome; and the PVC marble-imitated plate has advantages of light weight, wear resistance, flame retardance, skid resistance, moisture resistance, and the like.

The invention discloses a prevention and control method for cryptocaryon irritans of scatophagus argus. According to physiological and ecological features of the scatophagus argus, the purpose of preventing and controlling the cryptocaryon irritans of the scatophagus argus is met with a combined method of nutrient enrichment cultivation and disease prevention of the scatophagus argus, drug therapy of the cryptocaryon irritans and ecological regulation, wherein therapeutic drugs are copper acetate and zeolite powder combined with copper acetate, furacilin antibiotics or an algae-inhibitory compound and furacilin antibiotics combined with the algae-inhibitory compound. The survival rate of the young scatophagus argus intensively cultivated with the method is greatly increased and reaches more than 95%; the fry survival rate of the diseased scatophagus argus is increased from 0% to 64-88%, so that the economical loss is greatly reduced. The method is remarkable and stable in effect and easy to master, popularize and apply, has the characteristics of economy, good actual effect, low toxicity, easiness for operation and the like, and has an important actual effect for establishing a technical system for disease prevention and control of the scatophagus argus and promoting the development of the breeding industry of the scatophagus argus.

The invention discloses an active plant growing adjusting agent and preparing method and application, which comprises the following steps: allocating nourishing base through natural plant; blending compound bacteria with photosynthetic bacteria, actinomycete, bacillus and fungus evenly; sealing in the fermenting tank; fermenting through two-step illumination; filtering to obtain compound bacterial ferment liquid with acid black tea color; diluting by 500 times as leaf fertile; fitting for immersing seed to improve soil and fertile ferment.

The invention discloses a preparing method of an antibacterial anti-mite fabric. The method includes the following steps of firstly, soaking a fabric with an ethyl alcohol and butyl alcohol mixed water solution, and processing the fabric through plasmas after processing is completed; secondly, preprocessing the fabric processed in the first step through a silane coupling agent solution, and subsequently conducting pre-baking; thirdly, soaking the pre-baked fabric in anti-mite finishing liquor for padding, wherein the anti-mite finishing liquor comprises an adhesive, an anti-mite agent and a bentonite modified by quaternary ammonium salt; fourthly, drying the padded fabric to obtain the antibacterial anti-mite fabric. The anti-mite fabric prepared and obtained through the method has more hydroxyl groups on the surface after being processed through the plasmas, the binding force between a silane coupling agent and the fabric is improved, the anti-mite agent attached to the surface of thefabric is not prone to loss, and the anti-mite function of the fabric is effectively prolonged.

The present invention discloses an anti fly maggot curing salt, which comprises the edible salt, the tea polyphenol, the chlorine dioxide, the pungent and hot extract, the phosphoric acid salt and sugar classification, etc. The invention widely chooses the a plurality of additives which are beneficial for anti fly maggot and overcoming the effect of the nitrite of the curing products from thousands of additives are effectively combined with the tea polyphenol, the chlorine dioxide and the phosphoric acid salt, etc., so as to fully develop the cooperative effect companied with the pungent and hot extract, and the invention has the effect of stopping shuttle shaped fungus breeding with the effect of anti fly maggot, thus improving the eating security for the meat products, and the invention is better than the traditional curing products in respect of color, luster and tasting, etc. The raw material used for the invention is all the food additives issued by state with high security, and the invention can be applied to the respects, such as fish goods processing and the curing of the melon and fruit and vegetable, etc.

The invention discloses biosoluble antibacterial ultrafine glass wool and a preparation method thereof. The biosoluble antibacterial ultrafine glass wool comprises the following chemical components bymass: 60-68 parts of SiO2, 0 to 3 parts of Al2O3, 6 to 12 parts of CaO and MgO, 15 to 20 parts of Na2O and K2O, 0 to 3 parts of ZnO, 0 to 6 parts of Ag2O, 4 to 8 parts of B2O3, and no more than 3 parts of Fe2O3, SO3, ZrO2 and CeO2, wherein the content of CeO2 is not less than 0.5 part. The biosoluble antibacterial ultrafine glass wool has good biosolubility, bacteriostatic effect and thermal insulation properties.

The invention relates to a medicament for treating AIDS and process for preparation, wherein the medicament is prepared from 26 kinds of Chinese herbs including panax ginseng, ganoderma lucidum, broomrape and astragalus root through steps of choosing materials, heating, extracting, thermal insulating and vacuum concentrating.

The invention relates to an ABS material and a preparation method and application thereof. The ABS material comprises the following components in parts by weight: 50-200 parts of ABS resin, 1-30 partsof a heat-resistant modifier, 0.01-5 parts of an antibacterial agent, 0.1-5 parts of an anti-UV agent, 0.1-5 parts of a brightener and 1.4-40 parts of an assistant. The ABS material with excellent antibacterial property, heat resistance, UV resistance, mechanical properties and glossiness can be obtained by adopting an ABS resin, heat-resistant modifier, antibacterial agent, anti-UV agent and brightener blending system and combining the ABS resin, the heat-resistant modifier, the antibacterial agent, the anti-UV agent and the brightener in a specific ratio, and can be used in high-temperatureand high-humidity environments and occasions with antibacterial and anti-UV requirements.

The invention discloses a polyvinyl chloride floor resistant to stain and easy to clean. The floor comprises a polyvinyl chloride floor layer and an anti-staining surface layer, wherein the anti-staining surface layer is formed by coextruding an outer protective layer, a functional layer and an adhesive layer; the outer protective layer is made from a fluorine-containing polymer, the functional layer is formed by mixing the fluorine-containing polymer, a hot melt adhesive and a functional auxiliary, and the adhesive layer is formed by mixing the fluorine-containing polymer and the hot melt adhesive; the adhesive layer connects the anti-staining surface layer with polyvinyl chloride floor layer through hot melting. A preparation process comprises steps as follows: the outer protective layer, the functional layer and the adhesive layer are granulated according to the formula and then coextruded to form a film, and the anti-staining surface layer is formed and rolled for standby use; the anti-staining surface layer is unrolled to be contacted with the polyvinyl chloride floor layer, so that the adhesive layer of the anti-staining surface layer and a printing layer of the polyvinyl chloride floor are overlaid and then subjected to hot-pressing composition; embossing, slitting and rolling are performed, and the product is obtained. The polyvinyl chloride floor resistant to stain and easy to clean has the advantages of environment-friendliness, high wear resistance, water resistance, moisture resistance antibacterial property, staining resistance and low probability of mark remaining.

The invention discloses a composite ceramic water purification agent, which is a porcelain granule or a pottery shard or a clay pipe with a porous mesh structure obtained by calcining a blank. The blank comprises the compositions according to the following weight percentage: 30 to 90 percent of carbon, 4 to 30 percent of silicon dioxide, 1 to 10 percent of zinc oxide, 0 to 15 percent of sodium sulfate and / or potassium sulfate, 1.5 to 6 percent of calcium oxide, 1.5 to 8 percent of aluminum oxide, 1 to 6 percent of magnesia, and 0.5 to 3 percent of ferric oxide. The porous mesh structure has the characteristics of decoloring and deodoring; a material with antibacterial and algae-inhibiting characteristics is a built-in electric field on a microscopic structure which mainly comprises zinc oxide and so on; and the built-in electric microfield effect is utilized to change surface characteristics of microorganisms, which can inhibit the propagation and growth of the microorganisms to achieve the aims of antibacterium and algae inhibition.

The invention provides an alcohol preservative to solve the problem that existing alcohol preservatives can not be good in sterilization performance and keep pure tastes of food at the same time. The alcohol preservative comprises, by weight, 60-70% of silica gel which serves as an adsorbent agent, 3-8% of sodium diacetate which serves as a mildew prevention agent, 15-30% of edible alcohol which serves as a sterilizing agent, 2-5% of citric acid which serves as an antiseptic agent and 5-10% of water. The alcohol preservative has the advantages of being good in sterilization performance, capable of keeping the pure tastes of the food and preventing food poisoning, high in sterilization speed, non-toxic and harmless.

The invention discloses a medicament for controlling dove colibacillosis and a preparation method of the medicament. The medicament is characterized by mainly comprising the following raw materials in parts by weight: coptis chinensis, fructus gardeniae, houttuynia cordata, herba portulacae, mung bean, Chinese pulsatilla root, radix stemonae, shell powder, Chinese violet, herba chelidonii and angelica sinensis. The medicine disclosed by the invention is made into granules through three steps to control the dove colibacillosis. By adopting a Chinese herbal medicine formula and through a synergistic effect of multiple Chinese medicinal herbs, the effect of inhibiting the propagation of the colibacillosis is greatly enhanced, the treatment effect is improved so that the medicine adapts to a treatment requirement of a complex illness condition, and the adverse reaction is reduced. The medicament has no toxic and side effects, is safer in use, also prevents residues of Western medicine, and has a remarkable in treatment effect; bacteria cannot easily generate medicine resistance.

The embodiment of the invention provides a preparation method of a strontium doping hydroxyapatite composite film, and relates to the technical field of biological material preparation. The method comprises the following steps of mixing a strontium salt solution and a calcium salt solution according to the mol ratio of [Sr] / [Sr+Ca] being (0.1 to 5):100; adding a phosphate solution according to themol ratio of P / [Sr+Ca] being 1:(1 to 2) until precipitates are generated; performing still standing aging for at least 12h; performing suction filtering; taking filter cake; drying the filter cake; putting the filter cake at the temperature of 600 to 1000 DEG C for calcination for 2 to 5h to obtain strontium doping hydroxylapatite powder; mixing chitosan and an acetic acid solution; adding the strontium doping hydroxylapatite powder into the chitosan mixed solution; performing stirring to obtain hydroxylapatite / chitosan suspension, wherein the mass ratio of the chitosan to the hydroxylapatitepowder is (1 to 3):3; rotationally coating the a metal substrate with hydroxylapatite / chitosan suspension; performing drying to obtain the strontium doping hydroxyapatite composite film.

The invention relates to a lipstick with an antiviral effect. The lipstick contains an antiviral drug (remdesivir), and the content of the remdesivir in every 100g of the lipstick does not exceed 10g.After the lipstick is wiped on related parts, the propagation of viruses on exposed parts of the surface of a human body can be inhibited, the survival time of viruses is shortened, and the infectionrisk is reduced.

The invention provides a shrimp ecological breeding method. The method comprises the following steps: (1) establishing a pond; (2) selecting shrimp larvae; (3) treating water before putting the shrimp larvae into the pond; (4) fertilizing and cultivating baits; (5) putting the shrimp larvae; (6) managing feeding; (7) managing water regulation. In the water treating step, abundant Chinese herbal medicinal ingredients instead of quick lime are added, wherein golden cypress, honeysuckle flowers, woundwort, masson pine and pomegranate barks all have insecticide and disinfecting functions; the single Chinese herbal medicinal ingredient can restrain the growth and propagation of some pathogenic bacteria or parasite but the restraining scope is limited; according to the invention, golden cypress, honeysuckle flowers, woundwort, masson pine and pomegranate barks have a synergistic effect, so that the problem that the survival rate of the shrimp after the shrimp is put into the river is reduced by the chemical component can be prevented; the shrimp ecological breeding method has dual functions of disinfecting and supplying nutrient and has the advantages of pure natural effect, no residue, small toxic and side effect, no pollution and various performances; the survival rate and the quality of the shrimp are increased.

The invention provides a medical skin-disinfection and -nursing hand-cleaning liquid. The medical skin-disinfection and -nursing hand-cleaning liquid comprises, by weight, 0.1-0.5 parts of Carbomer gel, 0.06-0.1 parts of digluconate chlorhexidine, 0.07-1.0 part of triclosan, 2.0-6.0 parts of glycerol, 2.0-5.5 parts of propylene glycol, 1.5-3.5 parts of cocoamido propyl hydroxy sulfobetaine, 3-5 parts of polyethylene glycol (400), 0.02-0.1 parts of lavender essential oil, 1.0-3.0 parts of vitamin B5, 1.0-3.0 parts of tocopherol acid ester, 2.0-6.0 parts of alga extract, 2-6 parts of natural olive oil, 0.1-3 parts of triethanolamine and 85-96 parts of deionized water. The medical skin-disinfection and -nursing hand-cleaning liquid does not contain alcohol, has effects of moistening skin and preserving moisture and no irritation to human skin and prolongs moisture retention time by use of skin care and moisture retention factors.

The invention discloses a natural mildew preventive. The natural mildew preventive is characterized by comprising the following component in percentage by weight: 0.2 to 4% of clove, 5 to 15% of cinnamon, 18 to 45% of alpinia officinarum hance, and 45 to 75% of liquorice. In order to overcome the defects in the prior art, the invention provides the natural mildew preventive which is simple in component, great in mildew prevention effect and free of toxicity.

The invention discloses a gene engineering application of a rice gene ORYsa;SIZ2. The rice SUMO conjugation modified E3 ligase gene ORYsa;OsSIZ2 is applied to genetic engineering breeding for changing the rice seed morphology. The gene can be further applied to genetic engineering breeding for promoting dehiscence of rice anthers and / or improving the pollen fertility of rice. The accession number of the rice SUMO conjugation modified E3 ligase gene ORYsa;OsSIZ2 is Os03g0719100, the sequence of coded amino acids of the rice SUMO conjugation modified E3 ligase gene ORYsa;OsSIZ2 is SEQ ID NO.1. The gene engineering application of the rice gene ORYsa;SIZ2 provides a basis for breeding a novel rice variety suitable for phosphorous barren soil.

The invention relates to the technical field of antibacterial adsorption materials, and discloses an antibacterial Zn complex-porous resin composite adsorption material and a preparation method thereof. The composite adsorption material comprises the following formula raw materials: an inorganic porous adsorbent, an antibacterial Zn complex, styrene, divinylbenzene, benzoyl peroxide, gelatin and aconcentrated sulfuric acid solution. According to the antibacterial Zn complex-porous resin composite adsorption material and the preparation method thereof, in crystal structure defects of calcium carbonate modified diopside and calcium compound doped diopside, diopside crystals form numerous complicated pore structures and regular stripe lines; the inorganic porous material formed by calciningcan well adsorb pollutants; sulfonated poly(styrene-divinylbenzene) enables Ca<2+>, Mg<2+> and other cations to be subjected to exchange reaction; Zn complexes, namely, Zn-aminated biphenyl salicylaldehyde are uniformly loaded in the pore structures of the sulfonated poly(styrene-divinylbenzene); and central metal Zn<2+> ions and active substituent groups on benzene rings have an obvious inhibiting effect on escherichia coli and pathogens in tap water.

The invention relates to the technical field of shampoo products, in particular to a plant anti-dandruff composition as well as a silicone-oil-free shampoo and a preparation method thereof. The plantanti-dandruff composition is composed of a curcuma kwangsiensis extract, a curcuma wenyujin extract and a nymphaea caerulea flower extract and is added to the silicone-oil-free shampoo, and the pure vegetable anti-dandruff and itching effect is achieved; and the shampoo has the advantages of being natural, mild, non-irritant and high in safety. The silicone-oil-free shampoo has the effects of regulating scalp grease secretion and killing and inhibiting malassezia breeding, and the dandruff problem is solved from the source of dandruff generation. The preparation method of the silicone-oil-freeshampoo has the characteristics of simple process, low production cost and suitability for large-scale production. The plant anti-dandruff composition is one or a composition of more than two of thecurcuma kwangsiensis extract, the curcuma wenyujin extract and a nymphaea tetragona or nymphaea caeruleaflower extract, and has the effects of regulating scalp grease secretion and killing and inhibiting malassezia breeding, so the dandruff problem can be solved from the source of dandruff generation.

The invention relates to a ripening and degenerating treatment and utilization method of alive enteromorpha prolifera in offshore sea areas, and belongs to the technical field of environmental protection and biological processing. According to the method, before the enteromorpha prolifera enters near shores, the enteromorpha prolifera floating on the sea surface are collected, pulped, ripened anddegenerated into semi-fluid algin, and the semi-fluid algin is directly discharged into the sea areas through a delivery pipe; the semi-fluid algin serves as a good bait for various marine organisms to achieve resource utilization. By the method, offshore on-site treatment of the enteromorpha prolifera can be realized, and food sources convenient to absorb and utilize can be provided for the marine organisms; gametes of the enteromorpha prolifera can be efficiently killed due to the thermotropy, the reproductive effect of the enteromorpha prolifera can be efficiently inhibited, the proliferation speed of the enteromorpha prolifera is decreased when the enteromorpha prolifera drifts near the shores, propagation control and limited expansion of the enteromorpha prolifera in the offshore seaareas are benefited, and good economic, social and ecological benefits are achieved.

Green environmental intelligent control optical frequency media multifunctional insect zapper mainly consists of power supply, intelligent controller, intelligent control protector, control box (1), spectral insect-attracting LED light source (2), insulating column (3), high voltage electric shock resistance A net (4), a pest collector (5), a mosquito and fly insect sticky catch plate (6) and a hollow support (7), is characterized in that: the solar panel (8) of the power supply is arranged on the top of the hollow support (7), The accumulator of power supply is arranged in the control box (1), and the control box (1) is arranged on the middle part of hollow support (7), and intelligent controller, intelligent control protector are arranged in the control box (1), and spectrum trap LED light source ( 2) On the auxiliary support of the hollow support (7), the insulating columns (3) are distributed and arranged around the LED light source (2) for attracting insects, and the high-voltage shock-resistant net (4) is arranged on the insulating column (3), and the pest collector (5) be arranged under the high-voltage shock-resistant net (4), the sticky catch plate (6) of mosquitoes and flies insects is arranged on another auxiliary support of the hollow support (7), to achieve the design purpose.

The invention discloses a fodder for preventing and treating coccidiosis in pigeons. The fodder is formed by mixing medicament and foodstuff in the weight ratio of 1:(2000-2200), wherein the medicament comprises the following raw materials in part by weight: 15-20 parts of fructus dauci carotae, 12-20 parts of the fruit of rangoon creeper, 7-14 parts of betel nut, 3-6 parts of liquorice, 10-18 parts of fructus ulmi, 6-8 parts of laccocephalum mylittae, 6-10 parts of azedarach, 9-16 parts of pinellia ternate, 8-14 parts of fructus amomi, 10-16 parts of white atractylodes rhizome, 14-20 parts of coptis chinensis, 1-3 parts of Indian python gall, 12-16 parts of radix sophorae flavescentis, 15-25 parts of fructus cnidii, 8-13 parts of saponin and 6-10 parts of pericarpium granati. After the medicine components contained in the fodder are scientifically prepared, the medicament can be quickly absorbed in digestive tract after being taken; the synthesis of bacteria and coccidium nucleic acid is impeded by restraining dihydrofolate synthetase; the fodder has the effects of antibiosis, antiphlogosis and hemostasis as well as intestinal mucosa repairing by restraining bacteria and coccidium reproduction effect.

The present invention relates to a toothbrush bristle having water-repellent properties and to a toothbrush comprising same. A toothbrush bristle comprising a water-repellent component, and preferably a perfluorocarbon, has water-repellent properties whereby water absorbency is markedly reduced, and thus can suppress the ability of microbes to propagate and consequently can prevent microbial infection within the mouth as not only is there a substantial reduction in the amount of water remaining in the toothbrush bristles but also there is a very fast water evaporation rate after tooth brushing. Also, the present invention provides a water-repellent toothbrush comprising such water-repellent toothbrush bristles.

The invention provides a processing method for controlling microbes of dehydrated spices through combining irradiation of high-energy electron beams with hot-air drying, and belongs to the technical field of deep processing of farm products. The processing method comprises the following processes that: fresh spices are subjected to selection, cleaning and water draining; high-energy electron beam irradiation is carried out; and phased atmospheric pressure hot-air drying is carried out after the irradiation. The processing method has the advantages that the irradiation of the high-energy electron beams on the fresh spices has the effects that: 1, partial microbes in raw materials can be directly killed, and the number of the microbes is reduced; and 2, through the penetration effect of the high-energy electron beams, cell structures in the fresh spices can deform, shrink or crack and the like, so tissue fluid in cells is easier to exude or lose, and the free water content is increased; and the water is favorably diffused out during the drying, and the drying efficiency is improved. The phased hot-air drying has the effects that: 1, the water in the raw materials is evaporated to obtain dried products; and 2, through the irradiation effect on the microbes, the physiological functions of the microbes in the spices are damaged to different degrees and cannot be restored during the drying; the microbes in the spices can be effectively killed with a low dose of irradiation; and the hot-air drying efficiency is improved.

The invention discloses a PC / ABS (polycarbonate / acrylonitrile-butadiene-styrene) composite material and a preparation method thereof. The PC / ABS composite material comprises the following raw materials in parts by weight: 40-80 parts of PC; 10-40 parts of ABS; 4-20 parts of UPE (Unplasticized Polyethylene); 0.1-2 parts of a silane coupling agent; 3-12 parts of LLDPE (Linear Low Density Polyethylene); 0.1-2 parts of a foaming agent; 0.5-2 parts of a lubricant; 0.1-1.5 parts of metal powder and 0.1-1.5 parts of pearl powder; 0.1-1 part of an antibacterial agent; 0.1-1 part of a dispersant; and 0.2-0.4 parts of an antioxidant. The composite material has high thermal stability, high transparency, excellent dispersing performance and good weather resistance, has colorful metal / pearlescent texture, can replace electroplating or paint spraying of plastic products, achieves a spraying-free effect of the products, and meets the performance and appearance quality requirements of products such as electric appliance engineering materials, automobile engineering materials and building plastic products.

The invention discloses a mildew-proof and moth-proof treatment method of raw material bamboo for bamboo craft. The mildew-proof and moth-proof treatment method comprises the following steps: taking fresh bamboos, washing, and cutting into sections, thus obtaining bamboo blank; putting and soaking the bamboo blank in a calcium chloride solution, taking out the bamboo blank, and naturally air-drying; carrying out microwave treatment on the air-dried bamboo blank; adding the bamboo blank after the ultrasonic treatment into a traditional Chinese medicine extracting solution, soaking, taking out the bamboo blank, and drying. A bamboo material treated by the mildew-proof and moth-proof treatment method disclosed by the invention is excellent in mildew-proof and moth-proof properties.

The invention discloses matcha-flavored mouth wash and a preparation method thereof. The matcha-flavored mouth wash is prepared from the following components: water soluble chitosan, glycerinum, propylene glycol, sorbitol, a preservative, a solubilizer, menthol, natural matcha essence, a sweetening agent, sodium lauryl sulfate, citric acid and purified water. The mouth wash provided by the invention is safe without side effects and soft in taste, has a refreshed matcha flavor, and has a pH value ranging from 6.6 to 7.1 which is close to a salivary pH value of a human body, so that after the mouth wash is used for a long time, the microbiological balance in an oral cavity can be well maintained and adjusted, and an oral disease can be prevented and treated.

The invention relates to organic concentrated nutrient solution special for flower and potted landscapes and a preparation method thereof. The preparation method mainly comprises the following steps of: (1) uniformly mixing milk, soybean milk, common salt and a fermentation agent according to a weight ratio of 10-30:10-40:1-3:1-5 and then placing in a fermentation tank, and fermenting at normal temperature for 20-40 days to obtain fermentation broth A; (2) uniformly mixing animal dung, water and the fermentation agent according to a weight ratio of 30-40:10-20:1-5 and then placing in the fermentation tank, fermenting at the normal temperature for 30-60 days and discarding residue to obtain fermentation broth B; and (3) mixing the fermentation broth A and the fermentation broth B according to a weight ratio of 1:0.8-1 and filling. The preparation method of the organic concentrated nutrient solution is simple; the raw materials are low in cost and readily available; a product is natural, organic, safe and pollution-free; peculiar smell is not produced after application; the nutrient content is high and the nutrition is complete; and the organic concentrated nutrient solution has high pertinence to nutritional requirement of potted plants.